{"id":136,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/harmonics\/"},"modified":"2026-06-08T04:12:17","modified_gmt":"2026-06-08T04:12:17","slug":"harmonics","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sk\/glossary\/harmonics\/","title":{"rendered":"\u010co s\u00fa harmonick\u00e9 v anal\u00fdze vibr\u00e1ci\u00ed?"},"content":{"rendered":"<style>\n:root {\n  --navy: #0a2540;\n  --navy-light: #1a3a5c;\n  --blue: #2563eb;\n  --blue-light: #3b82f6;\n  --blue-pale: #dbeafe;\n  --blue-ghost: #eff6ff;\n  --beige: #f5f0e8;\n  --beige-dark: #e8dfd3;\n  --beige-light: #faf7f2;\n  --white: #ffffff;\n  --text: #1e293b;\n  --text-secondary: #475569;\n  --text-muted: #94a3b8;\n  --border: #cbd5e1;\n  --border-light: #e2e8f0;\n  --success: #059669;\n  --success-light: #d1fae5;\n  --warning: #d97706;\n  --warning-light: #fef3c7;\n  --danger: #dc2626;\n  --danger-light: #fee2e2;\n  --purple: #7c3aed;\n  --purple-light: #ede9fe;\n  --shadow-sm: 0 1px 3px rgba(10,37,64,0.08);\n  --shadow-md: 0 4px 12px rgba(10,37,64,0.1);\n  --shadow-lg: 0 8px 30px rgba(10,37,64,0.12);\n  --radius: 12px;\n  --radius-sm: 8px;\n  --radius-lg: 16px;\n}\n* { margin: 0; padding: 0; box-sizing: border-box; }\nbody {\n  font-family: 'Source Sans 3', sans-serif;\n  color: var(--text);\n  background: var(--beige-light);\n  min-width: 1200px;\n  line-height: 1.7;\n  font-size: 16px;\n  -webkit-font-smoothing: antialiased;\n}<\/p>\n<p>\/* ===== HERO ===== *\/\n.hero {\n  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, #234e7a 100%);\n  color: var(--white);\n  padding: 56px 0 48px;\n  position: relative;\n  overflow: hidden;\n}\n.hero::before {\n  content: '';\n  position: absolute; inset: 0;\n  background:\n    radial-gradient(circle at 25% 75%, rgba(37,99,235,0.15) 0%, transparent 50%),\n    radial-gradient(circle at 75% 25%, rgba(37,99,235,0.1) 0%, transparent 50%);\n  pointer-events: none;\n}\n.hero::after {\n  content: '';\n  position: absolute; inset: 0;\n  background: url(\"data:image\/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cg fill='none'%3E%3Cpath d='M0 40 Q20 20 40 40 Q60 60 80 40' stroke='%23ffffff' stroke-opacity='0.02' stroke-width='1' fill='none'\/%3E%3C\/g%3E%3C\/svg%3E\");\n  pointer-events: none;\n}\n.hero-inner {\n  max-width: 1280px; margin: 0 auto; padding: 0 48px; position: relative; z-index: 1;\n}\n.hero h1 {\n  font-family: 'DM Serif Display', serif; font-size: 46px; font-weight: 400; line-height: 1.15; margin-bottom: 16px; letter-spacing: -0.5px;\n}\n.hero h1 span { color: var(--blue-light); }\n.hero .subtitle { font-size: 19px; font-weight: 300; color: rgba(255,255,255,0.78); max-width: 820px; line-height: 1.6; }\n.breadcrumb { margin-bottom: 20px; font-size: 14px; color: rgba(255,255,255,0.5); }\n.breadcrumb a { color: rgba(255,255,255,0.6); text-decoration: none; }\n.breadcrumb a:hover { color: rgba(255,255,255,0.9); }<\/p>\n<p>\/* ===== QUICK NAV ===== *\/\n.quick-nav {\n  background: var(--white); border-bottom: 1px solid var(--border-light); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm);\n}\n.quick-nav-inner { max-width: 1280px; margin: 0 auto; padding: 0 48px; display: flex; gap: 0; overflow-x: auto; }\n.quick-nav a {\n  display: flex; align-items: center; gap: 6px; padding: 14px 18px; font-size: 14px; font-weight: 500;\n  color: var(--text-secondary); text-decoration: none; white-space: nowrap; border-bottom: 2px solid transparent; transition: all 0.2s;\n}\n.quick-nav a:hover { color: var(--blue); border-bottom-color: var(--blue); background: var(--blue-ghost); }<\/p>\n<p>.container { max-width: 1280px; margin: 0 auto; padding: 0 48px; }<\/p>\n<p>\/* ===== SUMMARY DASHBOARD ===== *\/\n.summary-dashboard { padding: 40px 0; background: var(--white); border-bottom: 1px solid var(--border-light); }\n.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }<\/p>\n<p>.calc-panel {\n  background: var(--beige-light); border: 1px solid var(--beige-dark); border-radius: var(--radius-lg); padding: 32px; position: relative; overflow: hidden;\n}\n.calc-panel::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--blue), var(--blue-light)); }\n.panel-title { font-family: 'DM Serif Display', serif; font-size: 22px; margin-bottom: 6px; color: var(--navy); }\n.panel-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }\n.calc-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }\n.form-group { display: flex; flex-direction: column; gap: 5px; }\n.form-group.full-width { grid-column: 1 \/ -1; }\n.form-group label { font-size: 13px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }\n.form-group label .unit { font-weight: 400; text-transform: none; color: var(--text-muted); }\n.form-group input, .form-group select {\n  padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 15px;\n  font-family: 'JetBrains Mono', monospace; background: var(--white); color: var(--text); transition: border-color 0.2s, box-shadow 0.2s;\n}\n.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }\n.calc-btn {\n  grid-column: 1 \/ -1; padding: 13px; background: var(--blue); color: var(--white); border: none; border-radius: var(--radius-sm);\n  font-size: 15px; font-weight: 600; font-family: 'Source Sans 3', sans-serif; cursor: pointer; transition: all 0.2s; margin-top: 4px;\n}\n.calc-btn:hover { background: var(--navy); transform: translateY(-1px); box-shadow: var(--shadow-md); }<\/p>\n<p>\/* Results panel *\/\n.results-panel {\n  background: var(--navy); border-radius: var(--radius-lg); padding: 32px; color: var(--white); position: relative; overflow: hidden;\n}\n.results-panel::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 100% 0%, rgba(37,99,235,0.2) 0%, transparent 60%); pointer-events: none; }\n.results-panel .panel-title { color: var(--white); }\n.results-panel .panel-subtitle { color: rgba(255,255,255,0.5); }<\/p>\n<p>.spectrum-canvas-wrap { position: relative; z-index: 1; width: 100%; height: 250px; margin-bottom: 12px; }\n.spectrum-canvas-wrap canvas { width: 100%; height: 100%; }<\/p>\n<p>.harmonic-table-mini { position: relative; z-index: 1; width: 100%; max-height: 195px; overflow-y: auto; }\n.harmonic-table-mini table { width: 100%; border-collapse: collapse; }\n.harmonic-table-mini th {\n  background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7); padding: 6px 10px; font-size: 11px;\n  text-transform: uppercase; letter-spacing: 0.5px; text-align: left; position: sticky; top: 0;\n}\n.harmonic-table-mini td {\n  padding: 5px 10px; font-family: 'JetBrains Mono', monospace; font-size: 13px;\n  border-bottom: 1px solid rgba(255,255,255,0.06); color: rgba(255,255,255,0.8);\n}\n.harmonic-table-mini tr:hover td { background: rgba(255,255,255,0.05); }\n.results-empty { text-align: center; padding: 120px 20px; color: rgba(255,255,255,0.35); font-size: 15px; position: relative; z-index: 1; }\n.results-empty .icon { font-size: 36px; margin-bottom: 12px; display: block; }<\/p>\n<p>\/* ===== DIAGNOSTIC SECTION ===== *\/\n.diagnostic-section { padding: 40px 0 48px; background: var(--beige-light); }\n.section-header { margin-bottom: 28px; }\n.section-header h2 { font-family: 'DM Serif Display', serif; font-size: 30px; color: var(--navy); margin-bottom: 6px; }\n.section-header p { font-size: 16px; color: var(--text-secondary); }<\/p>\n<p>.fault-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 36px; }\n.fault-card {\n  background: var(--white); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 24px;\n  box-shadow: var(--shadow-sm); transition: all 0.3s; position: relative; overflow: hidden;\n}\n.fault-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }\n.fault-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }\n.fault-card.unbalance::before { background: var(--blue); }\n.fault-card.misalignment::before { background: var(--warning); }\n.fault-card.looseness::before { background: var(--danger); }\n.fault-card.electrical::before { background: var(--purple); }\n.fault-card.rub::before { background: #ec4899; }\n.fault-card.bearing::before { background: var(--success); }<\/p>\n<p>.fc-icon { font-size: 28px; margin-bottom: 10px; }\n.fc-title { font-family: 'DM Serif Display', serif; font-size: 18px; color: var(--navy); margin-bottom: 4px; }\n.fc-pattern { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--blue); margin-bottom: 10px; font-weight: 600; }\n.fc-body { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }\n.fc-body strong { color: var(--text); }<\/p>\n<p>.fc-spectrum { display: flex; align-items: flex-end; gap: 3px; height: 50px; margin-top: 12px; padding: 4px; background: var(--beige-light); border-radius: 4px; }\n.fc-spectrum .bar { flex: 1; border-radius: 2px 2px 0 0; min-height: 2px; position: relative; }\n.fc-spectrum .bar-label {\n  position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%);\n  font-size: 8px; font-family: 'JetBrains Mono', monospace; color: var(--text-muted); white-space: nowrap;\n}<\/p>\n<p>\/* Tables *\/\n.table-wrap {\n  background: var(--white); border-radius: var(--radius); border: 1px solid var(--border-light); overflow: hidden; box-shadow: var(--shadow-sm); margin-bottom: 32px;\n}\n.table-wrap .table-title { padding: 16px 24px; font-weight: 600; font-size: 15px; background: var(--beige); border-bottom: 1px solid var(--border-light); color: var(--navy); }\ntable { width: 100%; border-collapse: collapse; }\ntable th {\n  background: var(--navy); color: var(--white); padding: 12px 16px; font-size: 13px;\n  font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; text-align: left;\n}\ntable td { padding: 11px 16px; font-size: 14px; border-bottom: 1px solid var(--border-light); color: var(--text); }\ntable tr:last-child td { border-bottom: none; }\ntable tr:hover td { background: var(--blue-ghost); }\ntable td:first-child { font-weight: 600; }\n.mono { font-family: 'JetBrains Mono', monospace; font-size: 13px; }\n.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }\n.tag.high { background: var(--danger-light); color: #991b1b; }\n.tag.medium { background: var(--warning-light); color: #92400e; }\n.tag.low { background: var(--success-light); color: #065f46; }\n.tag.info { background: var(--blue-pale); color: var(--navy); }\n.tag.purple { background: var(--purple-light); color: #5b21b6; }<\/p>\n<p>\/* ===== MAIN CONTENT ===== *\/\n.main-content { padding: 48px 0 64px; background: var(--white); }\n.content-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; }<\/p>\n<p>.toc-sidebar { position: sticky; top: 80px; align-self: start; }\n.toc-box { background: var(--beige-light); border: 1px solid var(--beige-dark); border-radius: var(--radius); padding: 24px; }\n.toc-box h3 { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--navy); margin-bottom: 16px; }\n.toc-box a {\n  display: block; padding: 6px 0; font-size: 14px; color: var(--text-secondary); text-decoration: none;\n  border-left: 2px solid transparent; padding-left: 12px; transition: all 0.2s;\n}\n.toc-box a:hover { color: var(--blue); border-left-color: var(--blue); }\n.toc-box a.sub { padding-left: 28px; font-size: 13px; color: var(--text-muted); }<\/p>\n<p>.article-content h2 { font-family: 'DM Serif Display', serif; font-size: 28px; color: var(--navy); margin: 48px 0 16px; padding-top: 20px; }\n.article-content h2:first-child { margin-top: 0; }\n.article-content h3 { font-size: 20px; font-weight: 700; color: var(--navy-light); margin: 32px 0 12px; }\n.article-content h4 { font-size: 16px; font-weight: 700; color: var(--text); margin: 24px 0 8px; }\n.article-content p { margin-bottom: 16px; color: var(--text); line-height: 1.8; }\n.article-content ul, .article-content ol { margin: 0 0 16px 24px; line-height: 1.8; }\n.article-content li { margin-bottom: 6px; }\n.article-content li strong { color: var(--navy); }\n.article-content a { color: var(--blue); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.2s; }\n.article-content a:hover { border-bottom-color: var(--blue); }<\/p>\n<p>.info-box { background: var(--blue-ghost); border-left: 4px solid var(--blue); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 20px 24px; margin: 24px 0; }\n.info-box.warning { background: #fffbeb; border-left-color: var(--warning); }\n.info-box.success { background: #ecfdf5; border-left-color: var(--success); }\n.info-box.danger { background: #fef2f2; border-left-color: var(--danger); }\n.info-box .box-title { font-weight: 700; font-size: 15px; margin-bottom: 6px; color: var(--navy); }\n.info-box p { margin-bottom: 8px; font-size: 14px; }\n.info-box p:last-child { margin-bottom: 0; }<\/p>\n<p>.example-block { background: var(--beige-light); border: 1px solid var(--beige-dark); border-radius: var(--radius); padding: 28px; margin: 24px 0; }\n.example-block .example-title { font-family: 'DM Serif Display', serif; font-size: 18px; color: var(--navy); margin-bottom: 16px; }<\/p>\n<p>.formula-box {\n  background: var(--navy); color: var(--white); border-radius: var(--radius); padding: 24px 32px; margin: 24px 0;\n  text-align: center; position: relative; overflow: hidden;\n}\n.formula-box::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 80% 50%, rgba(37,99,235,0.15) 0%, transparent 60%); pointer-events: none; }\n.formula-box .formula-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--blue-light); margin-bottom: 10px; position: relative; }\n.formula-box .formula-main { font-family: 'JetBrains Mono', monospace; font-size: 22px; font-weight: 600; position: relative; line-height: 1.4; }\n.formula-box .formula-note { font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 10px; position: relative; }<\/p>\n<p>.article-table { width: 100%; margin: 20px 0; border: 1px solid var(--border-light); border-radius: var(--radius-sm); overflow: hidden; }\n.article-table th { padding: 10px 14px; font-size: 12px; }\n.article-table td { padding: 10px 14px; font-size: 14px; }<\/p>\n<p>\/* ===== SHOP CTA ===== *\/\n.shop-cta {\n  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); padding: 48px 0; color: var(--white);\n  text-align: center; position: relative; overflow: hidden;\n}\n.shop-cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 50% 50%, rgba(37,99,235,0.15) 0%, transparent 60%); pointer-events: none; }\n.shop-cta h2 { font-family: 'DM Serif Display', serif; font-size: 32px; margin-bottom: 12px; position: relative; }\n.shop-cta p { font-size: 17px; color: rgba(255,255,255,0.7); margin-bottom: 28px; max-width: 640px; margin-left: auto; margin-right: auto; position: relative; }\n.shop-cta .cta-btn {\n  display: inline-flex; align-items: center; gap: 8px; padding: 14px 36px; background: var(--blue); color: var(--white);\n  text-decoration: none; border-radius: var(--radius-sm); font-weight: 600; font-size: 16px; transition: all 0.2s; position: relative;\n}\n.shop-cta .cta-btn:hover { background: var(--blue-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,0.3); }<\/p>\n<p>.page-footer { background: var(--beige); border-top: 1px solid var(--beige-dark); padding: 32px 0; text-align: center; }\n.page-footer a { color: var(--blue); text-decoration: none; font-weight: 500; }\n.page-footer p { font-size: 14px; color: var(--text-muted); }<\/p>\n<p>@media print { .quick-nav, .shop-cta { display: none; } body { min-width: auto; } }\n<\/style>\n<p><!-- HERO --><\/p>\n<header class=\"hero\">\n<div class=\"hero-inner\">\n<div class=\"breadcrumb\">\n      <a href=\"https:\/\/vibromera.eu\/sk\/\">Domov<\/a> \u2192 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">Glos\u00e1r<\/a> \u2192 Harmonick\u00e9\n    <\/div>\n<h1>Pochopenie <span>Harmonick\u00e9<\/span> v oblasti anal\u00fdzy vibr\u00e1ci\u00ed<\/h1>\n<p class=\"subtitle\">Pre\u010do sa v spektr\u00e1ch vibr\u00e1ci\u00ed objavuj\u00fa celo\u010d\u00edseln\u00e9 n\u00e1sobky ot\u00e1\u010dok hriade\u013ea - a ako vzor 1\u00d7, 2\u00d7, 3\u00d7... harmonick\u00fdch odha\u013euje presn\u00fa povahu por\u00fach strojov od nevyv\u00e1\u017eenosti a nespr\u00e1vneho nastavenia a\u017e po uvo\u013enenie a trenie.<\/p>\n<\/p><\/div>\n<\/header>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Kompletn\u00e1 s\u00faprava prenosn\u00e9ho vyva\u017eovacieho zariadenia a analyz\u00e1tora vibr\u00e1ci\u00ed Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed Balanset-1A\">Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + DPH (ak sa uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Prida\u0165 do ko\u0161\u00edka: \u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed Balanset-1A zbl\u00edzka\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed\">Sn\u00edma\u010d vibr\u00e1ci\u00ed<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + DPH (ak sa uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Prida\u0165 do ko\u0161\u00edka: \u201eVibration sensor\u201c\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optick\u00fd senzor (laserov\u00fd tachometer)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">Optick\u00fd senzor (laserov\u00fd tachometer)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + DPH (ak sa uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Prida\u0165 do ko\u0161\u00edka: \u201eOptical Sensor (Laser Tachometer)\u201c\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"S\u00faprava na vyva\u017eovanie rotora Vibromera: prenosn\u00e9 puzdro, viackan\u00e1lov\u00fd prevodn\u00edk sign\u00e1lu, ru\u010dn\u00fd analyz\u00e1tor, magnetick\u00e1 z\u00e1klad\u0148a, vibra\u010dn\u00e9 senzory a \u0161pir\u00e1lov\u00e9 k\u00e1ble.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/sk\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + DPH (ak sa uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Prida\u0165 do ko\u0161\u00edka: \u201eBalanset-4\u201c\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnetick\u00e1 z\u00e1klad\u0148a.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/sk\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60-kgf\">Magnetick\u00fd stojan Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + DPH (ak sa uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Prida\u0165 do ko\u0161\u00edka: \u201eMagnetic Stand Insize-60-kgf\u201c\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 p\u00e1ska\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Reflexn\u00e1 p\u00e1ska\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 p\u00e1ska\">Reflexn\u00e1 p\u00e1ska<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + DPH (ak sa uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Prida\u0165 do ko\u0161\u00edka: \u201eReflective tape\u201c\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/sk\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Obsah s\u00fapravy Balanset-1A s jednotkou rozhrania, sn\u00edma\u010dmi, tachometrom a pr\u00edslu\u0161enstvom\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/sk\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + DPH (ak sa uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/sk\/wp-json\/wp\/v2\/glossary\/136?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Prida\u0165 do ko\u0161\u00edka: \u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><!-- QUICK NAV --><\/p>\n<nav class=\"quick-nav\">\n<div class=\"quick-nav-inner\">\n    <a href=\"#calculator\">\u2699 Harmonick\u00e1 kalkula\u010dka<\/a><br \/>\n    <a href=\"#diagnostic-cards\">\ud83d\udcca Vzory por\u00fach<\/a><br \/>\n    <a href=\"#diagnostic-table\">\ud83d\udccb Diagnostick\u00e1 tabu\u013eka<\/a><br \/>\n    <a href=\"#definition\">\ud83d\udcd0 Defin\u00edcia<\/a><br \/>\n    <a href=\"#why-generated\">\ud83d\udd22 Pre\u010do generovan\u00e9<\/a><br \/>\n    <a href=\"#fault-signatures\">\ud83d\udd0d Signat\u00fary por\u00fach<\/a><br \/>\n    <a href=\"#non-synchronous\">\u3030\ufe0f Nesynchr\u00f3nne<\/a><br \/>\n    <a href=\"#analysis-guide\">\ud83d\udee0 Sprievodca anal\u00fdzou<\/a><br \/>\n    <a href=\"#case-studies\">\ud83d\udcdd Pr\u00edpadov\u00e9 \u0161t\u00fadie<\/a>\n  <\/div>\n<\/nav>\n<p><!-- SUMMARY DASHBOARD --><\/p>\n<section class=\"summary-dashboard\" id=\"calculator\">\n<div class=\"container\">\n<div class=\"dashboard-grid\">\n<p>      <!-- Calculator --><\/p>\n<div class=\"calc-panel\">\n<h2 class=\"panel-title\">Kalkula\u010dka harmonickej frekvencie<\/h2>\n<p class=\"panel-subtitle\">V\u00fdpo\u010det harmonick\u00fdch a spolo\u010dn\u00fdch poruchov\u00fdch frekvenci\u00ed pre \u013eubovo\u013en\u00e9 ot\u00e1\u010dky hriade\u013ea<\/p>\n<div class=\"calc-form\">\n<div class=\"form-group\">\n            <label>R\u00fdchlos\u0165 hriade\u013ea <span class=\"unit\">(RPM)<\/span><\/label><br \/>\n            <input type=\"number\" id=\"shaftRPM\" value=\"1800\" min=\"1\" step=\"1\">\n          <\/div>\n<div class=\"form-group\">\n            <label>Po\u010det harmonick\u00fdch<\/label><br \/>\n            <select id=\"numHarmonics\"><option value=\"5\">5 harmonick\u00fdch<\/option><option value=\"10\" selected>10 harmonick\u00fdch<\/option><option value=\"15\">15 harmonick\u00fdch<\/option><option value=\"20\">20 harmonick\u00fdch<\/option><\/select>\n          <\/div>\n<div class=\"form-group\">\n            <label>Po\u010det \u010depel\u00ed\/lopatiek <span class=\"unit\">(volite\u013en\u00e9)<\/span><\/label><br \/>\n            <input type=\"number\" id=\"numBlades\" value=\"\" min=\"0\" step=\"1\" placeholder=\"napr. 5, 7\">\n          <\/div>\n<div class=\"form-group\">\n            <label>Po\u010det zubov <span class=\"unit\">(volite\u013en\u00e9)<\/span><\/label><br \/>\n            <input type=\"number\" id=\"numTeeth\" value=\"\" min=\"0\" step=\"1\" placeholder=\"napr. 48\">\n          <\/div>\n<div class=\"form-group\">\n            <label>Sie\u0165ov\u00e1 frekvencia <span class=\"unit\">(Hz)<\/span><\/label><br \/>\n            <select id=\"lineFreq\"><option value=\"50\" selected>50 Hz (Eur\u00f3pa\/\u00c1zia)<\/option><option value=\"60\">60 Hz (Amerika)<\/option><\/select>\n          <\/div>\n<div class=\"form-group\">\n            <label>Po\u010det p\u00f3lov <span class=\"unit\">(motor)<\/span><\/label><br \/>\n            <select id=\"numPoles\"><option value=\"2\">2-p\u00f3lov\u00e9<\/option><option value=\"4\" selected>4-p\u00f3lov\u00e9<\/option><option value=\"6\">6-p\u00f3lov\u00fd<\/option><option value=\"8\">8-p\u00f3lov\u00fd<\/option><\/select>\n          <\/div>\n<p>          <button class=\"calc-btn\" onclick=\"calculate()\">V\u00fdpo\u010det v\u0161etk\u00fdch frekvenci\u00ed \u2192<\/button>\n        <\/div>\n<\/p><\/div>\n<p>      <!-- Results --><\/p>\n<div class=\"results-panel\">\n<h2 class=\"panel-title\">Harmonick\u00e9 spektrum<\/h2>\n<p class=\"panel-subtitle\">Vizu\u00e1lna frekven\u010dn\u00e1 mapa a kompletn\u00e1 harmonick\u00e1 tabu\u013eka<\/p>\n<div id=\"resultsArea\">\n<div class=\"results-empty\">\n            <span class=\"icon\">\ud83d\udcc8<\/span><br \/>\n            Zadajte ot\u00e1\u010dky hriade\u013ea a kliknite na tla\u010didlo Vypo\u010d\u00edta\u0165<br \/>na zobrazenie harmonick\u00fdch frekvenci\u00ed\n          <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- DIAGNOSTIC CARDS + TABLES --><\/p>\n<section class=\"diagnostic-section\" id=\"diagnostic-cards\">\n<div class=\"container\">\n<div class=\"section-header\">\n<h2>Vzory signat\u00far por\u00fach \u2014 r\u00fdchla identifik\u00e1cia<\/h2>\n<p>Ka\u017ed\u00e1 porucha stroja vytv\u00e1ra charakteristick\u00fd harmonick\u00fd priebeh, ktor\u00fd je vidite\u013en\u00fd na <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectrum\/\">vibra\u010dn\u00e9 spektrum<\/a><\/p>\n<\/p><\/div>\n<div class=\"fault-cards\">\n<div class=\"fault-card unbalance\">\n<div class=\"fc-icon\">\u2696\ufe0f<\/div>\n<div class=\"fc-title\">Nerovnov\u00e1ha<\/div>\n<div class=\"fc-pattern\">Dominantn\u00fd 1\u00d7 - \u010dist\u00fd, jedin\u00fd vrchol<\/div>\n<div class=\"fc-body\"><strong>Vzor:<\/strong> Siln\u00fd 1\u00d7 s minimom harmonick\u00fdch. Amplit\u00fada \u00famern\u00e1 r\u00fdchlosti\u00b2. F\u00e1za je stabiln\u00e1 a opakovate\u013en\u00e1. <strong>Smer:<\/strong> Predov\u0161etk\u00fdm radi\u00e1lne vibr\u00e1cie.<\/div>\n<div class=\"fc-spectrum\">\n<div class=\"bar\" style=\"height:95%;background:var(--blue)\"><span class=\"bar-label\">1\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:8%;background:var(--blue-pale)\"><span class=\"bar-label\">2\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:3%;background:var(--blue-pale)\"><span class=\"bar-label\">3\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:2%;background:var(--blue-pale)\"><span class=\"bar-label\">4\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:1%;background:var(--blue-pale)\"><span class=\"bar-label\">5\u00d7<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"fault-card misalignment\">\n<div class=\"fc-icon\">\u2194\ufe0f<\/div>\n<div class=\"fc-title\">Nespr\u00e1vne zarovnanie<\/div>\n<div class=\"fc-pattern\">Siln\u00fd 2\u00d7 (a 3\u00d7) v porovnan\u00ed s 1\u00d7<\/div>\n<div class=\"fc-body\"><strong>Uhlov\u00e9:<\/strong> Vysok\u00e1 1\u00d7 axi\u00e1lna. <strong>Paraleln\u00e9:<\/strong> Vysok\u00fd 2\u00d7 radi\u00e1lny, \u010dasto \u2265 1\u00d7 amplit\u00fadov\u00fd. Z\u00e1va\u017en\u00e9 pr\u00edpady vykazuj\u00fa 3\u00d7, 4\u00d7. <strong>K\u013e\u00fa\u010d:<\/strong> Vysok\u00e9 axi\u00e1lne vibr\u00e1cie na spojke.<\/div>\n<div class=\"fc-spectrum\">\n<div class=\"bar\" style=\"height:60%;background:var(--warning)\"><span class=\"bar-label\">1\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:90%;background:var(--warning)\"><span class=\"bar-label\">2\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:40%;background:var(--warning-light)\"><span class=\"bar-label\">3\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:15%;background:var(--warning-light)\"><span class=\"bar-label\">4\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:5%;background:var(--warning-light)\"><span class=\"bar-label\">5\u00d7<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"fault-card looseness\">\n<div class=\"fc-icon\">\ud83d\udd29<\/div>\n<div class=\"fc-title\">Mechanick\u00e1 v\u00f4\u013ea<\/div>\n<div class=\"fc-pattern\">Mnoho harmonick\u00fdch: 1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7\u2026 a\u017e 10\u00d7+<\/div>\n<div class=\"fc-body\"><strong>Vzor:<\/strong> Bohat\u00e1 rodina harmonick\u00fdch, \u010dasto so subharmonick\u00fdmi (\u00bd\u00d7, \u2153\u00d7). Nestabiln\u00e1 f\u00e1za. Viac harmonick\u00fdch = v\u00e4\u010d\u0161ia uvo\u013enenos\u0165. <strong>K\u013e\u00fa\u010dov\u00fd ukazovate\u013e:<\/strong> pr\u00edtomn\u00e9 subharmonick\u00e9 frekvencie.<\/div>\n<div class=\"fc-spectrum\">\n<div class=\"bar\" style=\"height:70%;background:var(--danger)\"><span class=\"bar-label\">1\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:55%;background:var(--danger)\"><span class=\"bar-label\">2\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:50%;background:var(--danger)\"><span class=\"bar-label\">3\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:40%;background:var(--danger)\"><span class=\"bar-label\">4\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:35%;background:var(--danger-light)\"><span class=\"bar-label\">5\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:25%;background:var(--danger-light)\"><span class=\"bar-label\">6\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:20%;background:var(--danger-light)\"><span class=\"bar-label\">7\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:12%;background:var(--danger-light)\"><span class=\"bar-label\">8\u00d7<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"fault-card bearing\">\n<div class=\"fc-icon\">\ud83d\udd34<\/div>\n<div class=\"fc-title\">Porucha lo\u017eiska<\/div>\n<div class=\"fc-pattern\">Nesynchr\u00f3nne \u0161pi\u010dky: BPFO, BPFI + harmonick\u00e9<\/div>\n<div class=\"fc-body\"><strong>Vzor:<\/strong> Vrcholy o <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bearing-fault-frequencies\/\" style=\"color:var(--success)\">frekvencie por\u00fach lo\u017e\u00edsk<\/a> (nie celo\u010d\u00edseln\u00e9 n\u00e1sobky ot\u00e1\u010dok za min\u00fatu). Harmonick\u00e9 zlo\u017eky poruchovej frekvencie + <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/sidebands\/\" style=\"color:var(--success)\">bo\u010dn\u00e9 p\u00e1sma<\/a> at 1\u00d7 spacing.<\/div>\n<div class=\"fc-spectrum\">\n<div class=\"bar\" style=\"height:30%;background:var(--success)\"><span class=\"bar-label\">1\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:5%;background:#ddd\"><span class=\"bar-label\"><\/span><\/div>\n<div class=\"bar\" style=\"height:75%;background:var(--success)\"><span class=\"bar-label\">BPFO<\/span><\/div>\n<div class=\"bar\" style=\"height:45%;background:var(--success-light)\"><span class=\"bar-label\">2-BPF<\/span><\/div>\n<div class=\"bar\" style=\"height:25%;background:var(--success-light)\"><span class=\"bar-label\">3-BPF<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"fault-card electrical\">\n<div class=\"fc-icon\">\u26a1<\/div>\n<div class=\"fc-title\">Elektrick\u00e9 poruchy<\/div>\n<div class=\"fc-pattern\">2\u00d7 sie\u0165ov\u00e1 frekvencia (2FL) \u00b1 sklzov\u00e9 bo\u010dn\u00e9 p\u00e1sma<\/div>\n<div class=\"fc-body\"><strong>Stator:<\/strong> 2FL (100\/120 Hz) dominantn\u00fd. <strong>Rota\u010dn\u00e9 ty\u010de:<\/strong> 1\u00d7 s postrann\u00fdmi p\u00e1smami pri <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/pole-pass-frequency\/\" style=\"color:var(--purple)\">frekvencia prechodu p\u00f3lu<\/a>. <strong>Test:<\/strong> Preru\u0161enie nap\u00e1jania - elektrick\u00e9 vibr\u00e1cie okam\u017eite klesn\u00fa.<\/div>\n<div class=\"fc-spectrum\">\n<div class=\"bar\" style=\"height:50%;background:var(--purple)\"><span class=\"bar-label\">1\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:85%;background:var(--purple)\"><span class=\"bar-label\">2FL<\/span><\/div>\n<div class=\"bar\" style=\"height:30%;background:var(--purple-light)\"><span class=\"bar-label\">4FL<\/span><\/div>\n<div class=\"bar\" style=\"height:15%;background:var(--purple-light)\"><span class=\"bar-label\">6FL<\/span><\/div>\n<div class=\"bar\" style=\"height:5%;background:var(--purple-light)\"><span class=\"bar-label\">8FL<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"fault-card rub\">\n<div class=\"fc-icon\">\ud83d\udd25<\/div>\n<div class=\"fc-title\">Trenie hriade\u013ea<\/div>\n<div class=\"fc-pattern\">Mnoho harmonick\u00fdch vysok\u00e9ho r\u00e1du + subharmonick\u00e9<\/div>\n<div class=\"fc-body\"><strong>\u013dahk\u00e9 trenie:<\/strong> \u00bd\u00d7, 1\u00d7 a mnoho harmonick\u00fdch a\u017e 10\u00d7+. <strong>Pln\u00fd prstenec:<\/strong> Prevl\u00e1daj\u00fa subharmonick\u00e9 zlo\u017eky (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7). Teplotn\u00e9 prehnutie m\u00f4\u017ee sp\u00f4sobi\u0165 driftovanie vektora 1\u00d7.<\/div>\n<div class=\"fc-spectrum\">\n<div class=\"bar\" style=\"height:35%;background:#ec4899\"><span class=\"bar-label\">\u00bd\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:65%;background:#ec4899\"><span class=\"bar-label\">1\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:40%;background:#ec4899\"><span class=\"bar-label\">2\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:30%;background:#fbcfe8\"><span class=\"bar-label\">3\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:25%;background:#fbcfe8\"><span class=\"bar-label\">4\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:20%;background:#fbcfe8\"><span class=\"bar-label\">5\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:15%;background:#fbcfe8\"><span class=\"bar-label\">6\u00d7<\/span><\/div>\n<div class=\"bar\" style=\"height:12%;background:#fbcfe8\"><span class=\"bar-label\">7\u00d7<\/span><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>    <!-- MASTER DIAGNOSTIC TABLE --><\/p>\n<div class=\"table-wrap\" id=\"diagnostic-table\">\n<div class=\"table-title\">\ud83d\udccb Kompletn\u00fd diagnostick\u00fd referen\u010dn\u00fd preh\u013ead harmonick\u00fdch vzorov<\/div>\n<table>\n<thead>\n<tr>\n<th>Poruchov\u00fd stav<\/th>\n<th>Dominantn\u00e9 harmonick\u00e9<\/th>\n<th>Vzor amplit\u00fady<\/th>\n<th>Smer<\/th>\n<th>F\u00e1zov\u00e9 spr\u00e1vanie<\/th>\n<th>Charakteristick\u00fd prvok<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hmotnostn\u00e1 nevyv\u00e1\u017eenos\u0165<\/td>\n<td class=\"mono\">1\u00d7<\/td>\n<td>1\u00d7 \u226b v\u0161etky ostatn\u00e9<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>Stabiln\u00fd; nasleduje po \u0165a\u017ekom mieste<\/td>\n<td>\u010cist\u00e1 jedin\u00e1 \u0161pi\u010dka; \u00famern\u00e1 r\u00fdchlosti\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Ohnut\u00fd hriade\u013e<\/td>\n<td class=\"mono\">1\u00d7 + 2\u00d7<\/td>\n<td>Obe vysok\u00e9<\/td>\n<td>Axi\u00e1lne + radi\u00e1lne<\/td>\n<td>1\u00d7 f\u00e1za 180\u00b0 medzi koncami (axi\u00e1lne)<\/td>\n<td>Vysok\u00fd axi\u00e1lny 1\u00d7; nie je mo\u017en\u00e9 korigova\u0165 vyv\u00e1\u017een\u00edm<\/td>\n<\/tr>\n<tr>\n<td>Uhlov\u00e1 nes\u00faosos\u0165<\/td>\n<td class=\"mono\">1\u00d7 (axi\u00e1lne)<\/td>\n<td>Vysok\u00fd axi\u00e1lny 1\u00d7 na spojke<\/td>\n<td>Axi\u00e1lne dominantn\u00e9<\/td>\n<td>180\u00b0 cez spojku (axi\u00e1lne)<\/td>\n<td>Axi\u00e1lne 1\u00d7 na spojke &gt; radi\u00e1lne<\/td>\n<\/tr>\n<tr>\n<td>Rovnobe\u017en\u00e1 nes\u00faosos\u0165<\/td>\n<td class=\"mono\">2\u00d7 (radi\u00e1lne)<\/td>\n<td>2\u00d7 \u2248 alebo &gt; 1\u00d7; m\u00f4\u017ee sa objavi\u0165 3\u00d7<\/td>\n<td>Radi\u00e1lne dominantn\u00e9<\/td>\n<td>180\u00b0 cez spojku (radi\u00e1lne)<\/td>\n<td>Pomer 2\u00d7 k 1\u00d7 je diagnostick\u00fd<\/td>\n<\/tr>\n<tr>\n<td>Vo\u013enos\u0165 - \u0161truktur\u00e1lna (typ A)<\/td>\n<td class=\"mono\">1\u00d7<\/td>\n<td>Smerov\u00e9 - vy\u0161\u0161ie vo vo\u013enom smere<\/td>\n<td>Smerov\u00e9<\/td>\n<td>Nestabiln\u00fd; m\u00f4\u017ee putova\u0165<\/td>\n<td>Zmeny amplit\u00fady v z\u00e1vislosti od kr\u00fatiaceho momentu skrutky<\/td>\n<\/tr>\n<tr>\n<td>Vo\u013enos\u0165 \u2014 ot\u00e1\u010danie (typ B)<\/td>\n<td class=\"mono\">1\u00d7, 2\u00d7, 3\u00d7\u2026n\u00d7<\/td>\n<td>Bohat\u00fd harmonick\u00fd rad + \u00bd\u00d7<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>Nestabiln\u00fd; nepravideln\u00fd<\/td>\n<td>Subharmonick\u00e9 (\u00bd\u00d7, \u2153\u00d7) s\u00fa k\u013e\u00fa\u010dov\u00fdm rozli\u0161ovac\u00edm znakom<\/td>\n<\/tr>\n<tr>\n<td>Vo\u013enos\u0165 \u2014 lo\u017eiskov\u00e9 ulo\u017eenie (typ C)<\/td>\n<td class=\"mono\">Mnoho harmonick\u00fdch + subharmonick\u00e9<\/td>\n<td>N\u00e1rast \u00farovne \u0161umov\u00e9ho pozadia s mnoh\u00fdmi vrcholmi<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>Ve\u013emi nestabiln\u00e9<\/td>\n<td>\u0160irokop\u00e1smov\u00e9 zv\u00fd\u0161enie hladiny hluku<\/td>\n<\/tr>\n<tr>\n<td>M\u00e4kk\u00e1 noha<\/td>\n<td class=\"mono\">1\u00d7 + 2\u00d7<\/td>\n<td>1\u00d7 zmeny s kr\u00fatiacim momentom skrutiek<\/td>\n<td>Vertik\u00e1lne dominantn\u00e9<\/td>\n<td>Posuny s u\u0165ahovan\u00edm skrutiek<\/td>\n<td>1\u00d7 zmena amplit\u00fady pri individu\u00e1lnom uvo\u013enen\u00ed skrutiek<\/td>\n<\/tr>\n<tr>\n<td>Trenie rotora (\u013eahk\u00e9, \u010diasto\u010dn\u00e9)<\/td>\n<td class=\"mono\">\u00bd\u00d7, 1\u00d7, 2\u00d7\u2026n\u00d7<\/td>\n<td>Mnoho harmonick\u00fdch vysok\u00e9ho r\u00e1du<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>Nepravideln\u00fd; tepeln\u00fd drift<\/td>\n<td>\u00bd\u00d7 a \u2153\u00d7 subharmonick\u00e9; tepeln\u00fd vektorov\u00fd drift<\/td>\n<\/tr>\n<tr>\n<td>Trenie rotora (pln\u00fd prstenec)<\/td>\n<td class=\"mono\">\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7 dominantn\u00e9<\/td>\n<td>Subharmonick\u00e9 frekvencie &gt; 1\u00d7<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>Chaotick\u00fd<\/td>\n<td>Subsynchr\u00f3nna dominancia; reverzn\u00e1 precesia<\/td>\n<\/tr>\n<tr>\n<td>Olejov\u00fd v\u00edr<\/td>\n<td class=\"mono\">0.42-0.48\u00d7<\/td>\n<td>Subsynchr\u00f3nny vrchol tesne pod \u00bd\u00d7<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>Precesia vpred<\/td>\n<td>Frekvencia sleduje ~0,43\u00d7 ot\u00e1\u010dok za min\u00fatu; z\u00e1vis\u00ed od r\u00fdchlosti<\/td>\n<\/tr>\n<tr>\n<td>Olejov\u00fd bi\u010d<\/td>\n<td class=\"mono\">\u2248 1. kritick\u00fd<\/td>\n<td>Uzamknut\u00e9 pri 1. kritickej r\u00fdchlosti bez oh\u013eadu na ot\u00e1\u010dky<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>Precesia vpred<\/td>\n<td>Uzamknutie frekvencie; katastrof\u00e1lne, ak sa nerie\u0161ia<\/td>\n<\/tr>\n<tr>\n<td>Z\u00e1ber ozubenia<\/td>\n<td class=\"mono\">GMF, 2\u00d7GMF, 3\u00d7GMF<\/td>\n<td>GMF = po\u010det zubov \u00d7 ot\u00e1\u010dky + bo\u010dn\u00e9 p\u00e1sma<\/td>\n<td>Radi\u00e1lne + axi\u00e1lne<\/td>\n<td>N\/A (vyn\u00faten\u00e9)<\/td>\n<td>Bo\u010dn\u00e9 p\u00e1sma pri ot\u00e1\u010dkach hriade\u013ea identifikuj\u00fa po\u0161koden\u00e9 ozuben\u00e9 koleso<\/td>\n<\/tr>\n<tr>\n<td>Prechod \u010depele\/lopatky<\/td>\n<td class=\"mono\">BPF, 2\u00d7BPF<\/td>\n<td>BPF = po\u010det lopatiek \u00d7 ot\u00e1\u010dky za min\u00fatu<\/td>\n<td>Radi\u00e1lne + axi\u00e1lne<\/td>\n<td>N\/A (vyn\u00faten\u00e9)<\/td>\n<td>Norm\u00e1lne; vysok\u00e1 amplit\u00fada = probl\u00e9m s v\u00f4\u013eou alebo rezonanciou<\/td>\n<\/tr>\n<tr>\n<td>Excentricita statora<\/td>\n<td class=\"mono\">2FL (100\/120 Hz)<\/td>\n<td>2\u00d7 dominantn\u00e1 sie\u0165ov\u00e1 frekvencia<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>N\/A<\/td>\n<td>Pri preru\u0161en\u00ed nap\u00e1jania okam\u017eite zmizne<\/td>\n<\/tr>\n<tr>\n<td>Porucha rotorovej ty\u010de<\/td>\n<td class=\"mono\">1\u00d7 s bo\u010dn\u00fdmi p\u00e1smami pri frekvencii prechodu p\u00f3lov<\/td>\n<td>Bo\u010dn\u00e9 p\u00e1sma pri frekvencii sklzu \u00d7 p\u00f3ly<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>Modulovan\u00e9<\/td>\n<td>Pribl\u00ed\u017eenie okolo 1\u00d7 odhal\u00ed rovnomerne rozmiestnen\u00e9 bo\u010dn\u00e9 p\u00e1sma<\/td>\n<\/tr>\n<tr>\n<td>VFD-indukovan\u00e9<\/td>\n<td class=\"mono\">Harmonick\u00e9 frekvencie sp\u00ednania<\/td>\n<td>Nesynchr\u00f3nne \u0161pi\u010dky pri frekvencii PWM<\/td>\n<td>Radi\u00e1lne<\/td>\n<td>N\/A<\/td>\n<td>Frekvencia nez\u00e1visl\u00e1 od ot\u00e1\u010dok hriade\u013ea<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>    <!-- SUB-HARMONIC TABLE --><\/p>\n<div class=\"table-wrap\">\n<div class=\"table-title\">\u3030\ufe0f Subharmonick\u00e9 a frak\u010dn\u00e9 harmonick\u00e9 referencie<\/div>\n<table>\n<thead>\n<tr>\n<th>Frekvencia<\/th>\n<th>Ozna\u010denie<\/th>\n<th>Be\u017en\u00e9 pr\u00ed\u010diny<\/th>\n<th>Z\u00e1va\u017enos\u0165<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"mono\">0.42-0.48\u00d7<\/td>\n<td>Olejov\u00fd v\u00edr<\/td>\n<td>Nedostato\u010dn\u00e9 za\u0165a\u017eenie lo\u017eiska; nadmern\u00e1 v\u00f4\u013ea; \u013eahk\u00fd hriade\u013e<\/td>\n<td><span class=\"tag high\">Kritick\u00e9 - m\u00f4\u017ee vies\u0165 k olejov\u00e9mu bi\u010du<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u00bd\u00d7 (0,50\u00d7)<\/td>\n<td>Polovi\u010dn\u00fd r\u00e1d<\/td>\n<td>Trenie, uvo\u013enenie (typ B\/C), prasknut\u00fd hriade\u013e (zriedkav\u00e9), probl\u00e9my s reme\u0148om<\/td>\n<td><span class=\"tag high\">V\u00fdznamn\u00e9 \u2014 okam\u017eite pre\u0161etrite<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u2153 \u00d7 (0,33 \u00d7)<\/td>\n<td>Subharmonick\u00e1 tretieho r\u00e1du<\/td>\n<td>\u00dapln\u00e9 trenie prstenca; z\u00e1va\u017en\u00e9 uvo\u013enenie; nestabilita sp\u00f4soben\u00e1 tekutinou<\/td>\n<td><span class=\"tag high\">Z\u00e1va\u017en\u00fd \u2013 nebezpe\u010dn\u00fd stav<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u00bc \u00d7 (0,25 \u00d7)<\/td>\n<td>\u0160tvrtinov\u00fd sub-r\u00e1d<\/td>\n<td>\u00dapln\u00e9 trenie s uzamknutou obe\u017enou dr\u00e1hou; extr\u00e9mne uvo\u013enenie<\/td>\n<td><span class=\"tag high\">Ve\u013emi z\u00e1va\u017en\u00e9 \u2014 m\u00f4\u017ee by\u0165 potrebn\u00e1 odst\u00e1vka<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">1,5\u00d7 (3\/2\u00d7)<\/td>\n<td>3\/2 r\u00e1d<\/td>\n<td>Olejov\u00fd v\u00edr v kombin\u00e1cii s nevyv\u00e1\u017eenos\u0165ou<\/td>\n<td><span class=\"tag medium\">Pozorne monitorujte<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">2,5\u00d7, 3,5\u00d7\u2026<\/td>\n<td>Rodina poloradov<\/td>\n<td>Vo\u013enos\u0165 so silnou zlo\u017ekou trenia<\/td>\n<td><span class=\"tag medium\">Kombinovan\u00e9 mechanizmy por\u00fach<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- MAIN ARTICLE CONTENT --><br \/>\n<main class=\"main-content\" id=\"definition\"><\/p>\n<div class=\"container\">\n<div class=\"content-layout\">\n<article class=\"article-content\">\n<h2>Defin\u00edcia: \u010co je to harmonick\u00e1?<\/h2>\n<p>Pri anal\u00fdze vibr\u00e1ci\u00ed, <strong>harmonick\u00e1<\/strong> je frekvencia, ktor\u00e1 je presn\u00fdm celo\u010d\u00edseln\u00fdm n\u00e1sobkom z\u00e1kladnej frekvencie. V rota\u010dn\u00fdch strojoch je z\u00e1kladnou frekvenciou zvy\u010dajne r\u00fdchlos\u0165 ot\u00e1\u010dania hriade\u013ea, ozna\u010dovan\u00e1 ako 1. harmonick\u00e1 alebo <strong>1\u00d7<\/strong>. N\u00e1sledn\u00e9 harmonick\u00e9 s\u00fa celo\u010d\u00edseln\u00e9 n\u00e1sobky: 2\u00d7 (dvojn\u00e1sobok ot\u00e1\u010dok hriade\u013ea), 3\u00d7 (trojn\u00e1sobok) at\u010f. Tieto frekvencie sa tie\u017e naz\u00fdvaj\u00fa <em>r\u00e1dy<\/em> r\u00fdchlosti behu alebo <em>synchr\u00f3nne harmonick\u00e9<\/em> preto\u017ee s\u00fa presne synchronizovan\u00e9 s ot\u00e1\u010dan\u00edm hriade\u013ea.<\/p>\n<p>Ak napr\u00edklad motor pracuje pri 1 800 ot\u00e1\u010dkach za min\u00fatu (30 Hz), jeho harmonick\u00e9 sa objavuj\u00fa pri 60 Hz (2\u00d7), 90 Hz (3\u00d7), 120 Hz (4\u00d7), 150 Hz (5\u00d7) at\u010f. Harmonick\u00fd rad je teoreticky nekone\u010dn\u00fd, ale v praxi sa amplit\u00fada pri vy\u0161\u0161\u00edch r\u00e1doch zni\u017euje a diagnostick\u00fa inform\u00e1ciu nesie len nieko\u013eko prv\u00fdch harmonick\u00fdch.<\/p>\n<div class=\"formula-box\">\n<div class=\"formula-label\">Defin\u00edcia harmonickej frekvencie<\/div>\n<div class=\"formula-main\">f<sub>n<\/sub> = n \u00d7 f<sub>1<\/sub> = n \u00d7 (ot.\/min \/ 60)<\/div>\n<div class=\"formula-note\">kde n = 1, 2, 3, 4... (harmonick\u00fd r\u00e1d) a f\u2081 = frekvencia ot\u00e1\u010dania hriade\u013ea v Hz<\/div>\n<\/p><\/div>\n<div class=\"info-box\">\n<div class=\"box-title\">Harmonick\u00e9 vs. subharmonick\u00e9 vs. nesynchr\u00f3nne \u0161pi\u010dky<\/div>\n<p><strong>Harmonick\u00e9<\/strong> s\u00fa celo\u010d\u00edseln\u00e9 n\u00e1sobky ot\u00e1\u010dok hriade\u013ea (2\u00d7, 3\u00d7, 4\u00d7...). <strong>Subharmonick\u00e9 frekvencie<\/strong> s\u00fa zlomkov\u00e9 n\u00e1sobky (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7) a v\u017edy indikuj\u00fa v\u00e1\u017ene mechanick\u00e9 probl\u00e9my. <strong>Nesynchr\u00f3nne \u0161pi\u010dky<\/strong> s\u00fa frekvencie, ktor\u00e9 nes\u00favisia s ot\u00e1\u010dkami hriade\u013ea - ako napr. <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bearing-fault-frequencies\/\">frekvencie por\u00fach lo\u017e\u00edsk<\/a>, frekvencie ozuben\u00fdch kolies, sie\u0165ov\u00e1 frekvencia (50\/60 Hz) alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/natural-frequency\/\">prirodzen\u00e9 frekvencie<\/a> \u2014 a vy\u017eaduj\u00fa si r\u00f4zne diagnostick\u00e9 pr\u00edstupy. \u0160pi\u010dka pri 3,57\u00d7 ot\u00e1\u010dkach za min\u00fatu NIE je harmonick\u00e1; pravdepodobne ide o frekvenciu poruchy lo\u017eiska.<\/p>\n<\/p><\/div>\n<h2 id=\"why-generated\">Pre\u010do vznikaj\u00fa harmonick\u00e9?<\/h2>\n<p>V dokonale line\u00e1rnom syst\u00e9me budenom \u010disto s\u00ednusovou silou (napr\u00edklad dokonale vyv\u00e1\u017een\u00fd, dokonale nastaven\u00fd rotor v dokonal\u00fdch lo\u017eisk\u00e1ch) by sa objavil len 1\u00d7 z\u00e1kladn\u00fd sign\u00e1l. Skuto\u010dn\u00e9 stroje nie s\u00fa nikdy dokonale line\u00e1rne. Harmonick\u00e9 sa objavia v\u017edy, ke\u010f je priebeh vibr\u00e1ci\u00ed skreslen\u00fd od \u010distej s\u00ednusoidy - v\u017edy, ke\u010f je odozva syst\u00e9mu <em>neline\u00e1rne<\/em> alebo samotn\u00e1 funkcia vyn\u00fatenia nie je s\u00ednusoid\u00e1lna.<\/p>\n<h3>Matematika: Fourierova veta<\/h3>\n<p><strong>Fourierova veta<\/strong> hovor\u00ed, \u017ee ka\u017ed\u00fd periodick\u00fd priebeh - bez oh\u013eadu na to, ak\u00fd je zlo\u017eit\u00fd - mo\u017eno rozlo\u017ei\u0165 na s\u00fa\u010det s\u00ednusov\u00fdch v\u013an so z\u00e1kladnou frekvenciou a jej celo\u010d\u00edseln\u00fdch n\u00e1sobkov, pri\u010dom ka\u017ed\u00e1 z nich m\u00e1 ur\u010dit\u00fa amplit\u00fadu a f\u00e1zu. Algoritmus FFT (r\u00fdchla Fourierova transform\u00e1cia), ktor\u00fd sa pou\u017e\u00edva v analyz\u00e1toroch vibr\u00e1ci\u00ed, vykon\u00e1va tento rozklad v\u00fdpo\u010dtov\u00fdm sp\u00f4sobom a odha\u013euje harmonick\u00fd obsah sign\u00e1lu.<\/p>\n<p>\u010cist\u00e1 s\u00ednusoida m\u00e1 len jednu frekven\u010dn\u00fa zlo\u017eku. \u0160tvorcov\u00e1 vlna obsahuje v\u0161etky nep\u00e1rne harmonick\u00e9 zlo\u017eky (1\u00d7, 3\u00d7, 5\u00d7, 7\u00d7...) s amplit\u00fadou klesaj\u00facou ako 1\/n. P\u00edlovit\u00e1 vlna obsahuje v\u0161etky harmonick\u00e9 zlo\u017eky s amplit\u00fadou klesaj\u00facou ako 1\/n. Konkr\u00e9tny tvar skreslenia ur\u010duje, ktor\u00e9 harmonick\u00e9 sa objavia - to je to, \u010do rob\u00ed harmonick\u00fa anal\u00fdzu takou diagnosticky \u00fa\u010dinnou.<\/p>\n<h3>Fyzik\u00e1lne mechanizmy, ktor\u00e9 generuj\u00fa harmonick\u00e9<\/h3>\n<ul>\n<li><strong>Orezanie \/ skr\u00e1tenie tvaru vlny:<\/strong> Ak je pohyb hriade\u013ea fyzicky obmedzen\u00fd (lo\u017eiskov\u00e1 skri\u0148a, trec\u00ed kontakt), v\u00fdsledn\u00fd priebeh je orezan\u00fd a generuje harmonick\u00e9. Silnej\u0161ie orezanie vytv\u00e1ra viac harmonick\u00fdch.<\/li>\n<li><strong>Asymetrick\u00e1 tuhos\u0165:<\/strong> Ak sa tuhos\u0165 syst\u00e9mu l\u00ed\u0161i medzi kladnou a z\u00e1pornou polovicou vibra\u010dn\u00e9ho cyklu (otvorenie\/zatvorenie prasknut\u00e9ho hriade\u013ea, nes\u00faosos\u0165 vytv\u00e1raj\u00faca rozdielnu \u0165ahov\u00fa\/stla\u010dovaciu tuhos\u0165), vznikaj\u00fa p\u00e1rne harmonick\u00e9 (2\u00d7, 4\u00d7, 6\u00d7).<\/li>\n<li><strong>R\u00e1zov\u00e9 udalosti:<\/strong> Periodick\u00e9 n\u00e1razy (uvo\u013enen\u00e9 skrutky, n\u00e1razy s defektom lo\u017eiska) vytv\u00e1raj\u00fa ostr\u00e9, kr\u00e1tko trvaj\u00face vlnov\u00e9 priebehy, ktor\u00e9 s\u00fa mimoriadne bohat\u00e9 na harmonick\u00fd obsah \u2013 podobne ako pali\u010dka na bicie n\u00e1stroje produkuj\u00faca mno\u017estvo alikvotn\u00fdch t\u00f3nov.<\/li>\n<li><strong>Neline\u00e1rne obnovovacie sily:<\/strong> Ak sa tuhos\u0165 men\u00ed s posunom (lo\u017eisk\u00e1 pri premenlivom za\u0165a\u017een\u00ed, gumov\u00e9 ulo\u017eenia s progres\u00edvnou charakteristikou), odozva na s\u00ednusov\u00fa silu obsahuje harmonick\u00e9 zlo\u017eky.<\/li>\n<li><strong>Parametrick\u00e9 budenie:<\/strong> Ke\u010f sa vlastnosti syst\u00e9mu periodicky menia s frekvenciou s\u00favisiacou s ot\u00e1\u010dkami hriade\u013ea, m\u00f4\u017eu generova\u0165 harmonick\u00e9 a subharmonick\u00e9 frekvencie budenia.<\/li>\n<\/ul>\n<div class=\"info-box success\">\n<div class=\"box-title\">K\u013e\u00fa\u010dov\u00fd diagnostick\u00fd princ\u00edp<\/div>\n<p>Vzor toho, ktor\u00e9 harmonick\u00e9 s\u00fa pr\u00edtomn\u00e9, ich relat\u00edvne amplit\u00fady a ktor\u00e9 ch\u00fdbaj\u00fa, analytikovi napoved\u00e1, ak\u00fd fyzik\u00e1lny mechanizmus generuje nelinearitu. Sk\u00fasen\u00ed analytici sk\u00famaj\u00fa kompletn\u00fa harmonick\u00fa \u0161trukt\u00faru spektra - nielen celkov\u00fa \u00farove\u0148 vibr\u00e1ci\u00ed - aby identifikovali \u0161pecifick\u00e9 mechanizmy por\u00fach.<\/p>\n<\/p><\/div>\n<h2 id=\"fault-signatures\">Podrobn\u00e9 signat\u00fary por\u00fach - harmonick\u00e9 vzory<\/h2>\n<h3>1\u00d7 dominantn\u00e9 \u2014 nevyv\u00e1\u017eenos\u0165<\/h3>\n<p>Dominantn\u00fd vrchol pri 1\u00d7 s minimom vy\u0161\u0161\u00edch harmonick\u00fdch je klasick\u00fdm znakom <strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165 hmotnosti<\/a><\/strong>. Sila nevyv\u00e1\u017eenosti je svojou podstatou s\u00ednusov\u00e1 (ot\u00e1\u010da sa spolu s hriade\u013eom s frekvenciou 1\u00d7) a vo frekven\u010dnej oblasti vytv\u00e1ra \u010dist\u00fd jedin\u00fd vrchol.<\/p>\n<h4>Diagnostick\u00e9 \u00fadaje<\/h4>\n<ul>\n<li><strong>Amplit\u00fada:<\/strong> \u00damern\u00e1 r\u00fdchlosti\u00b2 (dvojn\u00e1sobok r\u00fdchlosti \u2192 4\u00d7 amplit\u00fada) a \u00famern\u00e1 hmotnosti nevyv\u00e1\u017eenosti<\/li>\n<li><strong>F\u00e1za:<\/strong> Stabiln\u00e9, opakovate\u013en\u00e9, jednohodnotov\u00e9. Predv\u00eddate\u013en\u00e9 zmeny pri prid\u00e1van\u00ed sk\u00fa\u0161obnej hmotnosti - to je z\u00e1klad v\u0161etk\u00fdch <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">postupy vyva\u017eovania<\/a><\/li>\n<li><strong>Smer:<\/strong> Predov\u0161etk\u00fdm radi\u00e1lne; axi\u00e1lne 1\u00d7 je n\u00edzke, pokia\u013e rotor nem\u00e1 v\u00fdrazn\u00fd previs<\/li>\n<li><strong>Potvrdenie:<\/strong> Reakcia na sk\u00fa\u0161obn\u00e9 z\u00e1va\u017eia potvrdzuje nerovnov\u00e1hu. Ak 1\u00d7 nereaguje na sk\u00fa\u0161obn\u00e9 z\u00e1va\u017eia, zv\u00e1\u017ete ohnut\u00fd hriade\u013e, excentricitu alebo rezonanciu.<\/li>\n<\/ul>\n<div class=\"info-box warning\">\n<div class=\"box-title\">Nie ka\u017ed\u00e1 1\u00d7 vibr\u00e1cia je nevyv\u00e1\u017eenos\u0165<\/div>\n<p>Nieko\u013eko podmienok sp\u00f4sobuje vysok\u00e9 1\u00d7, ktor\u00e9 NIE je mo\u017en\u00e9 korigova\u0165 vyv\u00e1\u017een\u00edm: ohnut\u00fd hriade\u013e, excentricita hriade\u013ea, elektrick\u00e9 h\u00e1dzanie na bezdotykov\u00fdch sond\u00e1ch, prehnutie rotora sp\u00f4soben\u00e9 tepeln\u00fdmi vplyvmi, excentricita spojky a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/resonance\/\">rezonancia<\/a> zosilnenie. Pred pokusom o vyv\u00e1\u017eenie v\u017edy overte diagn\u00f3zu.<\/p>\n<\/p><\/div>\n<h3>2\u00d7 Dominant - Nes\u00faosos\u0165<\/h3>\n<p>Siln\u00e1 druh\u00e1 harmonick\u00e1, \u010dasto porovnate\u013en\u00e1 alebo prevy\u0161uj\u00faca amplit\u00fadu 1\u00d7 vrcholu, je hlavn\u00fdm indik\u00e1torom <strong><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/misalignment\/\">nes\u00faos\u0165 hriade\u013ea<\/a><\/strong>. Nes\u00faosos\u0165 n\u00fati hriade\u013e prech\u00e1dza\u0165 po\u010das ka\u017edej ot\u00e1\u010dky nesinusovou dr\u00e1hou, \u010d\u00edm vznik\u00e1 skreslenie, ktor\u00e9 generuje 2\u00d7 a niekedy aj vy\u0161\u0161ie harmonick\u00e9.<\/p>\n<h4>Uhlov\u00e1 vs. rovnobe\u017en\u00e1 nes\u00faosovos\u0165<\/h4>\n<ul>\n<li><strong>Uhlov\u00e1 nes\u00faosos\u0165:<\/strong> Osy hriade\u013eov sa na spojke pret\u00ednaj\u00fa pod uhlom. Vytv\u00e1ra vysok\u00e9 1\u00d7 axi\u00e1lne vibr\u00e1cie. F\u00e1za cez spojku vykazuje ~ 180\u00b0 posun v axi\u00e1lnom smere.<\/li>\n<li><strong>Rovnobe\u017en\u00e1 (posunut\u00e1) nes\u00faosos\u0165:<\/strong> Osy hriade\u013eov s\u00fa rovnobe\u017en\u00e9, ale posunut\u00e9. Vytv\u00e1ra vysok\u00e9 2\u00d7 radi\u00e1lne vibr\u00e1cie, \u010dasto 2\u00d7 \u2265 1\u00d7. V \u0165a\u017ek\u00fdch pr\u00edpadoch vznikaj\u00fa 3\u00d7 a 4\u00d7. Radi\u00e1lna f\u00e1za cez spojku vykazuje posun ~ 180\u00b0.<\/li>\n<li><strong>Kombinovan\u00e9:<\/strong> V praxi sa zvy\u010dajne vyskytuj\u00fa oba sp\u00f4soby, pri\u010dom vznik\u00e1 zmes podpisov.<\/li>\n<\/ul>\n<h4>Pomer 2\u00d7\/1\u00d7 ako diagnostick\u00fd ukazovate\u013e<\/h4>\n<table class=\"article-table\">\n<thead>\n<tr>\n<th>Pomer 2\u00d7\/1\u00d7<\/th>\n<th>Pravdepodobn\u00fd stav<\/th>\n<th>Akcia<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"mono\">&lt; 0,25<\/td>\n<td>Norm\u00e1lne; 2\u00d7 pr\u00edtomn\u00e9 na n\u00edzkej \u00farovni vo v\u00e4\u010d\u0161ine strojov<\/td>\n<td>Nevy\u017eaduje sa \u017eiadna akcia<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">0,25 \u2013 0,50<\/td>\n<td>Mo\u017en\u00e1 mierna nes\u00faosos\u0165; norm\u00e1lne pre niektor\u00e9 typy spojok<\/td>\n<td>Kontrola zarovnania; porovnanie s v\u00fdchodiskovou hodnotou<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">0,50 \u2013 1,00<\/td>\n<td>Pravdepodobn\u00e1 v\u00fdrazn\u00e1 nes\u00faosos\u0165<\/td>\n<td>Vykonajte presn\u00e9 laserov\u00e9 zarovnanie<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">&gt; 1,00<\/td>\n<td>Z\u00e1va\u017en\u00e1 nes\u00faosovos\u0165; 2\u00d7 presahuje 1\u00d7<\/td>\n<td>Naliehav\u00e9 \u2014 znovu vyrovna\u0165; skontrolova\u0165 spojku a nap\u00e4tie potrubia<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Viacn\u00e1sobn\u00e9 harmonick\u00e9 \u2014 mechanick\u00e9 uvo\u013enenie<\/h3>\n<p>Bohat\u00e1 s\u00e9ria <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165<\/a> harmonics (1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7, 5\u00d7\u2026 to 10\u00d7 or more) indicate <strong>mechanick\u00e1 v\u00f4\u013ea<\/strong>. N\u00e1razy, rachotenie a neline\u00e1rne cykly kontaktu\/oddelenia vytv\u00e1raj\u00fa extr\u00e9mne skreslenie priebehu, ktor\u00e9 sa rozklad\u00e1 na mnoho harmonick\u00fdch zlo\u017eiek.<\/p>\n<h4>Tri typy uvo\u013enenosti<\/h4>\n<ul>\n<li><strong>Typ A - \u0161truktur\u00e1lne:<\/strong> Uvo\u013enen\u00e9 spojenie stroja so z\u00e1kladom (m\u00e4kk\u00e1 p\u00e4tka, prasknut\u00fd z\u00e1klad, uvo\u013enen\u00e9 kotviace skrutky). Vytv\u00e1ra smerov\u00e9 1\u00d7 (vy\u0161\u0161ie v uvo\u013enenom smere). K\u013e\u00fa\u010dov\u00fd test: utiahnite\/povolite jednotliv\u00e9 skrutky a z\u00e1rove\u0148 sledujte amplit\u00fadu 1\u00d7.<\/li>\n<li><strong>Typ B - Komponent:<\/strong> V\u00f4\u013ea v podlo\u017eke lo\u017eiska v puzdre, v\u00f4\u013ea puzdra na telese, nadmern\u00e1 radi\u00e1lna v\u00f4\u013ea lo\u017eiska. Vytv\u00e1ra rodinu harmonick\u00fdch, \u010dasto s podharmonick\u00fdmi (\u00bd\u00d7). Podharmonick\u00e9 s\u00fa k\u013e\u00fa\u010dov\u00fdm rozli\u0161ovac\u00edm znakom oproti necentr\u00e1cii (v\u00f4\u013ea, nie necentr\u00e1cia, vytv\u00e1ra podharmonick\u00e9).<\/li>\n<li><strong>Typ C - lo\u017eiskov\u00e9 sedlo:<\/strong> Uvo\u013enen\u00e9 obe\u017en\u00e9 koleso na hriadeli, uvo\u013enen\u00fd n\u00e1boj spojky, nadmern\u00e1 v\u00f4\u013ea lo\u017eiska umo\u017e\u0148uj\u00faca odskakovanie rotora. Produkuje ve\u013ea harmonick\u00fdch so \u0161irokop\u00e1smov\u00fdm zv\u00fd\u0161en\u00edm hlu\u010dnosti.<\/li>\n<\/ul>\n<div class=\"info-box\">\n<div class=\"box-title\">Subharmonick\u00e9 zlo\u017eky: charakteristick\u00fd odtla\u010dok uvo\u013enenosti<\/div>\n<p>Pr\u00edtomnos\u0165 \u010diastkov\u00fdch harmonick\u00fdch (\u00bd\u00d7, \u2153\u00d7) je najspo\u013eahlivej\u0161\u00edm rozli\u0161ovac\u00edm znakom medzi vo\u013enos\u0165ou a nes\u00faosos\u0165ou. Nes\u00faosos\u0165 generuje 2\u00d7 a 3\u00d7, ale zriedkavo vytv\u00e1ra subharmonick\u00e9 frekvencie. Vo\u013enos\u0165 (typ B a C) charakteristicky generuje \u00bd\u00d7, preto\u017ee rotor sa pri jednej polovi\u010dnej ot\u00e1\u010dke dot\u00fdka jednej strany lo\u017eiska a pri \u010fal\u0161ej ot\u00e1\u010dke odskakuje na druh\u00fa stranu - vznik\u00e1 vzorec, ktor\u00fd sa opakuje ka\u017ed\u00e9 dve ot\u00e1\u010dky, teda \u00bd\u00d7.<\/p>\n<\/p><\/div>\n<h3>In\u00e9 podmienky generuj\u00face harmonick\u00e9<\/h3>\n<h4>Ohnut\u00fd hriade\u013e<\/h4>\n<p>Vytv\u00e1ra vibr\u00e1cie 1\u00d7 aj 2\u00d7 s vysokou axi\u00e1lnou zlo\u017ekou. Na rozdiel od nes\u00faosovosti, a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bent-shaft\/\">ohnut\u00fd hriade\u013e<\/a> ukazuje 1\u00d7, ktor\u00e9 nie je mo\u017en\u00e9 odstr\u00e1ni\u0165 vyva\u017eovan\u00edm (geometrick\u00e1 excentricita, nie rozlo\u017eenie hmotnosti), a f\u00e1zov\u00fd posun v osi ~180\u00b0 medzi koncami hriade\u013ea. Hodnota 2\u00d7 vypl\u00fdva z asymetrickej tuhosti, ke\u010f\u017ee ohyb sa po\u010das ot\u00e1\u010dania otv\u00e1ra a zatv\u00e1ra.<\/p>\n<h4>Piestov\u00e9 stroje<\/h4>\n<p>Motory, kompresory a piestov\u00e9 stroje prirodzene vytv\u00e1raj\u00fa bohat\u00e9 harmonick\u00e9 spektr\u00e1, preto\u017ee pohyb piestov\/k\u013eukov\u00e9ho hriade\u013ea je v podstate nesinusov\u00fd. Harmonick\u00fd vzor z\u00e1vis\u00ed od po\u010dtu valcov, poradia spa\u013eovania a typu zdvihu (dvojtaktn\u00fd vs. \u0161tvortaktn\u00fd).<\/p>\n<h4>Trenie rotora<\/h4>\n<p>Pri \u010diasto\u010dnom tren\u00ed (kontakt na \u010das\u0165 ka\u017edej ot\u00e1\u010dky) vznik\u00e1 ve\u013ea harmonick\u00fdch vysok\u00e9ho r\u00e1du - niekedy 10\u00d7, 20\u00d7 alebo viac. \u00dapln\u00e9 prstencovit\u00e9 trenie (nepretr\u017eit\u00fd 360\u00b0 kontakt) generuje dominantn\u00e9 subharmonick\u00e9 zlo\u017eky (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7) prostredn\u00edctvom mechanizmov sp\u00e4tnej precesie.<\/p>\n<h4>Elektrick\u00e9 probl\u00e9my v motoroch<\/h4>\n<p>Striedav\u00e9 motory generuj\u00fa vibr\u00e1cie pri n\u00e1sobkoch sie\u0165ovej frekvencie (50 alebo 60 Hz) nez\u00e1visle od ot\u00e1\u010dok hriade\u013ea. Najbe\u017enej\u0161ia frekvencia je 2\u00d7 sie\u0165ov\u00e1 frekvencia (100 Hz v 50 Hz syst\u00e9moch, 120 Hz v 60 Hz syst\u00e9moch). Toto NIE je harmonick\u00e1 ot\u00e1\u010dok hriade\u013ea - je to harmonick\u00e1 frekvencie siete, ktor\u00e1 je k\u013e\u00fa\u010dom k rozl\u00ed\u0161eniu elektrick\u00fdch vibr\u00e1ci\u00ed od mechanick\u00fdch. . <strong>test preru\u0161enia nap\u00e1jania<\/strong> je definit\u00edvny: elektrick\u00e9 vibr\u00e1cie po odpojen\u00ed nap\u00e1jania okam\u017eite klesn\u00fa, mechanick\u00e9 vibr\u00e1cie pretrv\u00e1vaj\u00fa po\u010das dobehania.<\/p>\n<p>Chyby rotorovej ty\u010de sp\u00f4sobuj\u00fa vznik postrann\u00fdch p\u00e1siem okolo 1\u00d7, rozlo\u017een\u00fdch vo frekvencii priechodu p\u00f3lu (<a href=\"https:\/\/vibromera.eu\/sk\/glossary\/slip-frequency\/\">frekvencia sklzu<\/a> \u00d7 po\u010det p\u00f3lov). Tieto postrann\u00e9 p\u00e1sma sa nach\u00e1dzaj\u00fa ve\u013emi bl\u00edzko hodnoty 1\u00d7 (v rozmedz\u00ed 1\u20135 Hz), \u010do si vy\u017eaduje vysok\u00e9 rozl\u00ed\u0161enie <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/zoom-fft\/\">zv\u00e4\u010d\u0161enie FFT<\/a> anal\u00fdza na vyrie\u0161enie.<\/p>\n<h2 id=\"non-synchronous\">Nesynchr\u00f3nne frekvencie \u2014 nie prav\u00e9 harmonick\u00e9<\/h2>\n<p>Nieko\u013eko d\u00f4le\u017eit\u00fdch frekvenci\u00ed sa niekedy zamie\u0148a s harmonick\u00fdmi, ale v skuto\u010dnosti s\u00fa nez\u00e1visl\u00e9 od ot\u00e1\u010dok hriade\u013ea:<\/p>\n<table class=\"article-table\">\n<thead>\n<tr>\n<th>Typ frekvencie<\/th>\n<th>Vzorec<\/th>\n<th>Vz\u0165ah k RPM<\/th>\n<th>Pozn\u00e1mky<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Frekvencie por\u00fach lo\u017e\u00edsk<\/td>\n<td class=\"mono\"><a href=\"https:\/\/vibromera.eu\/sk\/calculators\/bearing-defect-frequencies\/\">BPFO, BPFI, BSF, FTF<\/a><\/td>\n<td>Necelo\u010d\u00edseln\u00e9 n\u00e1sobky (napr. 3,57\u00d7, 5,43\u00d7)<\/td>\n<td>V\u017edy nesynchr\u00f3nne; z\u00e1vis\u00ed od geometrie lo\u017eiska<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/gear-mesh-frequency\/\">Frekvencia z\u00e1beru ozuben\u00fdch kolies<\/a><\/td>\n<td class=\"mono\">GMF = po\u010det zubov \u00d7 ot\u00e1\u010dky za min\u00fatu<\/td>\n<td>Cel\u00e9 \u010d\u00edslo, ale ve\u013emi vysok\u00fd r\u00e1d<\/td>\n<td>Technicky ide o harmonick\u00fa, ale analyzuje sa samostatne<\/td>\n<\/tr>\n<tr>\n<td>Prechod \u010depele\/lopatky<\/td>\n<td class=\"mono\">BPF = po\u010det lopatiek \u00d7 ot\u00e1\u010dky za min\u00fatu<\/td>\n<td>Celo\u010d\u00edseln\u00fd n\u00e1sobok<\/td>\n<td>Norm\u00e1lne; nadmern\u00e1 amplit\u00fada nazna\u010duje probl\u00e9m<\/td>\n<\/tr>\n<tr>\n<td>Sie\u0165ov\u00e1 frekvencia<\/td>\n<td class=\"mono\">FL = 50 alebo 60 Hz<\/td>\n<td>Nes\u00favis\u00ed s RPM<\/td>\n<td>Elektrick\u00e9; zmizne pri preru\u0161en\u00ed nap\u00e1jania<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/natural-frequency\/\">Prirodzen\u00e9 frekvencie<\/a><\/td>\n<td class=\"mono\">f<sub>n<\/sub> = \u221a(k\/m)\/2\u03c0<\/td>\n<td>Pevn\u00e1; nes\u00favis\u00ed s ot\u00e1\u010dkami (RPM)<\/td>\n<td>Kon\u0161tantn\u00e1 frekvencia bez oh\u013eadu na zmeny r\u00fdchlosti<\/td>\n<\/tr>\n<tr>\n<td>Frekvencie reme\u0148a<\/td>\n<td class=\"mono\">f<sub>opasok<\/sub> = ot.\/min \u00d7 \u03c0 \u00d7 D\/L<\/td>\n<td>Subsynchr\u00f3nne (&lt; ot\u00e1\u010dky hriade\u013ea)<\/td>\n<td>P\u00e1sov\u00e1 frekvencia a jej harmonick\u00e9 2\u00d7, 3\u00d7, 4\u00d7 BF<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"analysis-guide\">Sprievodca anal\u00fdzou - Ako interpretova\u0165 harmonick\u00e9 vzory<\/h2>\n<h3>Krok 1: Identifikujte z\u00e1kladn\u00fd (1\u00d7)<\/h3>\n<p>N\u00e1jdite 1\u00d7 vrchol, ktor\u00fd zodpoved\u00e1 ot\u00e1\u010dkam hriade\u013ea. Overte to pomocou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/tachometer\/\">tachometer<\/a> alebo na typovom \u0161t\u00edtku motora. Pri strojoch s premenlivou r\u00fdchlos\u0165ou je potrebn\u00e9 pri ka\u017edom meran\u00ed presne ur\u010di\u0165 hodnotu 1\u00d7.<\/p>\n<h3>Krok 2: Zaznamenajte v\u0161etky vrcholy<\/h3>\n<p>Pre ka\u017ed\u00fd v\u00fdznamn\u00fd vrchol ur\u010dte: je to presn\u00fd celo\u010d\u00edseln\u00fd n\u00e1sobok 1\u00d7 (skuto\u010dn\u00e1 harmonick\u00e1)? Zlomkov\u00fd n\u00e1sobok (subharmonick\u00fd)? Nes\u00favis\u00ed s ot\u00e1\u010dkami hriade\u013ea (nesynchr\u00f3nny)? Pou\u017eite funkcie harmonick\u00e9ho kurzora analyz\u00e1tora na dosiahnutie \u00fa\u010dinnosti.<\/p>\n<h3>Krok 3: Presk\u00famajte vzor amplit\u00fady<\/h3>\n<ul>\n<li>Ktor\u00e1 harmonick\u00e1 je dominantn\u00e1? \u2192 Ukazuje na konkr\u00e9tnu poruchu<\/li>\n<li>Ko\u013eko harmonick\u00fdch je pr\u00edtomn\u00fdch? \u2192 Viac = silnej\u0161ie skreslenie<\/li>\n<li>Prevy\u0161uje 2\u00d7 hodnotu 1\u00d7? \u2192 Pravdepodobn\u00e1 nes\u00faosovos\u0165<\/li>\n<li>Vyskytuj\u00fa sa subharmonick\u00e9 kmity? \u2192 Vo\u013enos\u0165, trenie alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/oil-whirl\/\">olejov\u00fd v\u00edr<\/a><\/li>\n<li>Kles\u00e1 amplit\u00fada s r\u00e1dom (rozpad 1\/n)? \u2192 Typick\u00e9 pre vo\u013enos\u0165<\/li>\n<\/ul>\n<h3>Krok 4: Kontrola smerovosti<\/h3>\n<ul>\n<li><strong>Vysok\u00fd radi\u00e1lny, n\u00edzky axi\u00e1lny:<\/strong> Nevyv\u00e1\u017eenos\u0165 alebo uvo\u013enenos\u0165<\/li>\n<li><strong>Vysok\u00e1 axi\u00e1lna:<\/strong> Nes\u00faosos\u0165 (najm\u00e4 uhlov\u00e1) alebo ohnut\u00fd hriade\u013e<\/li>\n<li><strong>Smerov\u00e9 radi\u00e1lne:<\/strong> \u0160truktur\u00e1lna uvo\u013enenos\u0165 (vy\u0161\u0161ia vo vo\u013enom smere)<\/li>\n<\/ul>\n<h3>Krok 5: Trend v \u010dase<\/h3>\n<ul>\n<li>Zvy\u0161uj\u00fa sa harmonick\u00e9 amplit\u00fady? \u2192 Porucha postupuje<\/li>\n<li>Objavuj\u00fa sa nov\u00e9 harmonick\u00e9 zlo\u017eky? \u2192 Vznik\u00e1 nov\u00fd mechanizmus poruchy<\/li>\n<li>Zvy\u0161uje sa hladina \u0161umu? \u2192 Celkov\u00e9 opotrebenie alebo porucha v neskorej f\u00e1ze<\/li>\n<\/ul>\n<h3>Krok 6: Korel\u00e1cia s f\u00e1zov\u00fdmi \u00fadajmi<\/h3>\n<ul>\n<li><strong>Nevyv\u00e1\u017eenos\u0165:<\/strong> 1\u00d7 f\u00e1za je stabiln\u00e1 a opakovate\u013en\u00e1<\/li>\n<li><strong>Nespr\u00e1vne zarovnanie:<\/strong> 1\u00d7 alebo 2\u00d7 f\u00e1za ukazuje ~180\u00b0 cez spojenie<\/li>\n<li><strong>Vo\u013enos\u0165:<\/strong> F\u00e1za je nestabiln\u00e1, m\u00f4\u017ee sa n\u00e1hodne pos\u00fava\u0165 medzi meraniami<\/li>\n<\/ul>\n<p>V praxi je mo\u017en\u00e9 v\u0161etk\u00fdch \u0161es\u0165 krokov vykona\u0165 priamo na mieste pomocou prenosn\u00e9ho dvojkan\u00e1lov\u00e9ho pr\u00edstroja, ako je napr\u00edklad <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a>: Namontujte akcelerometre, zaznamenajte spektrum a 1\u00d7 f\u00e1zov\u00fa charakteristiku po\u010das chodu stroja a priamo z nich od\u010d\u00edtajte harmonick\u00fd priebeh pod\u013ea vy\u0161\u0161ie uvedenej diagnostickej tabu\u013eky \u2013 n\u00e1sledne odstr\u00e1\u0148te ak\u00fako\u013evek zvy\u0161kov\u00fa nevyv\u00e1\u017eenos\u0165 bez demont\u00e1\u017ee rotora.<\/p>\n<h2 id=\"case-studies\">Pr\u00edpadov\u00e9 \u0161t\u00fadie - Harmonick\u00e1 anal\u00fdza v re\u00e1lnom svete<\/h2>\n<div class=\"example-block\">\n<div class=\"example-title\">Pr\u00edpad 1: Motor-\u010derpadlo \u2013 ide o nevyv\u00e1\u017eenos\u0165 alebo nes\u00faosovos\u0165?<\/div>\n<p><strong>Stroj:<\/strong> 30 kW motor poh\u00e1\u0148aj\u00faci odstrediv\u00e9 \u010derpadlo pri 2960 ot\u00e1\u010dkach za min\u00fatu prostredn\u00edctvom flexibilnej spojky. Celkov\u00e9 vibr\u00e1cie: 6,2 mm\/s na lo\u017eisku hnacieho konca motora.<\/p>\n<p><strong>Spektrum:<\/strong> 1\u00d7 = 4,1 mm\/s, 2\u00d7 = 3,8 mm\/s, 3\u00d7 = 1,2 mm\/s. Pomer 2\u00d7\/1\u00d7 = 0,93.<\/p>\n<p><strong>Smer:<\/strong> Vysok\u00e9 radi\u00e1lne 2\u00d7 na oboch lo\u017eisk\u00e1ch hnacieho konca. Axi\u00e1lne 1\u00d7 na spojke: motor = 2,8 mm\/s, \u010derpadlo = 3,1 mm\/s s f\u00e1zov\u00fdm rozdielom 165\u00b0.<\/p>\n<p><strong>Diagn\u00f3za:<\/strong> Kombinovan\u00e1 uhlov\u00e1 a rovnobe\u017en\u00e1 nes\u00faosos\u0165. Pomer 2\u00d7\/1\u00d7 bl\u00ed\u017eiaci sa k hodnote 1,0, vysok\u00e9 axi\u00e1lne hodnoty a f\u00e1za ~180\u00b0 naprie\u010d spojen\u00edm v\u0161etko potvrdzuj\u00fa. NIE nevyv\u00e1\u017eenos\u0165 \u2014 aj ke\u010f je 1\u00d7 zv\u00fd\u0161en\u00e1, vzor 2\u00d7 je skuto\u010dn\u00fdm pr\u00edbehom.<\/p>\n<p><strong>Akcia:<\/strong> Vykonan\u00e9 laserov\u00e9 zarovnanie. Po zarovnan\u00ed: 1\u00d7 = 0,8 mm\/s, 2\u00d7 = 0,3 mm\/s. Celkov\u00fd pokles na 1,1 mm\/s \u2013 zn\u00ed\u017eenie o 82%.<\/p>\n<\/p><\/div>\n<div class=\"example-block\">\n<div class=\"example-title\">Pr\u00edpad 2: Ventil\u00e1tor \u2013 Pre\u010do nevyva\u017eovanie nefunguje?<\/div>\n<p><strong>Stroj:<\/strong> Odstrediv\u00fd ventil\u00e1tor pri 1480 ot\u00e1\u010dkach za min\u00fatu. Vibr\u00e1cie: 8,5 mm\/s. Predch\u00e1dzaj\u00faci pokus o vyv\u00e1\u017eenie zn\u00ed\u017eil 1\u00d7, ale celkov\u00e9 vibr\u00e1cie zostali vysok\u00e9.<\/p>\n<p><strong>Spektrum:<\/strong> 1\u00d7 = 2,1 mm\/s (n\u00edzka po vyv\u00e1\u017een\u00ed), \u00bd\u00d7 = 1,8 mm\/s, 2\u00d7 = 3,2 mm\/s, 3\u00d7 = 2,5 mm\/s, 4\u00d7 = 1,8 mm\/s, 5\u00d7 = 1,1 mm\/s, 6\u00d7 = 0,7 mm\/s.<\/p>\n<p><strong>Diagn\u00f3za:<\/strong> Mechanick\u00e9 uvo\u013enenie (typ B). Signat\u00farou je harmonick\u00e1 rodina s \u00bd\u00d7 subharmonickou. Vyv\u00e1\u017eenie korigovalo 1\u00d7, ale nedok\u00e1zalo vyrie\u0161i\u0165 harmonick\u00e9 generovan\u00e9 v\u00f4\u013eou, ktor\u00e9 dominuj\u00fa celkov\u00fdm vibr\u00e1ci\u00e1m.<\/p>\n<p><strong>Akcia:<\/strong> Kontrola odhalila, \u017ee lo\u017eiskov\u00e9 puzdro je vo v\u00fdvrte podstavca uvo\u013enen\u00e9 o 0,08 mm. Puzdro sa prev\u0155talo a namontovalo sa nov\u00e9 lo\u017eisko. Po oprave: v\u0161etky harmonick\u00e9 klesli na z\u00e1kladn\u00fa hodnotu. Celkovo: 1,4 mm\/s.<\/p>\n<\/p><\/div>\n<div class=\"example-block\">\n<div class=\"example-title\">Pr\u00edpad 3: Motor kompresora - elektrick\u00fd alebo mechanick\u00fd?<\/div>\n<p><strong>Stroj:<\/strong> 4-p\u00f3lov\u00fd, 50 Hz induk\u010dn\u00fd motor s ot\u00e1\u010dkami 1485 min-1 poh\u00e1\u0148aj\u00faci skrutkov\u00fd kompresor. Vibr\u00e1cie sa v priebehu 3 mesiacov zv\u00fd\u0161ili z 2,0 na 5,5 mm\/s.<\/p>\n<p><strong>Spektrum:<\/strong> Dominantn\u00fd vrchol pri 100 Hz (= 2FL). Tie\u017e: 1\u00d7 pri 24,75 Hz = 1,2 mm\/s, bo\u010dn\u00e9 p\u00e1sma okolo 1\u00d7 pri rozstupe \u00b11,0 Hz.<\/p>\n<p><strong>K\u013e\u00fa\u010dov\u00fd test:<\/strong> Preru\u0161enie nap\u00e1jania - 100 Hz \u0161pi\u010dka klesla na nulu v priebehu jednej ot\u00e1\u010dky. Bo\u010dn\u00e9 p\u00e1sma 1\u00d7 pretrv\u00e1vali aj po\u010das dobehu.<\/p>\n<p><strong>Diagn\u00f3za:<\/strong> Dva probl\u00e9my: (1) Elektrick\u00e9 - excentricita statora sp\u00f4sobuj\u00faca 2FL. (2) Mechanick\u00fd - 1\u00d7 postrann\u00e9 p\u00e1smo pri \u00b11,0 Hz (= frekvencia prechodu p\u00f3lov pre 4-p\u00f3lov\u00fd motor so sklzom 1,0%) nazna\u010duje vznik defektu rotorovej ty\u010de.<\/p>\n<p><strong>Akcia:<\/strong> Motor odoslan\u00fd na previnutie. Potvrden\u00e9: 2 zlomen\u00e9 rotorov\u00e9 ty\u010de + excentricita statora zo z\u00e1kladn\u00e9ho priehybu. Po previnut\u00ed a podlo\u017een\u00ed: vibr\u00e1cie 1,6 mm\/s.<\/p>\n<\/p><\/div>\n<div class=\"info-box success\">\n<div class=\"box-title\">Zariadenia Vibromera na harmonick\u00fa anal\u00fdzu<\/div>\n<p>Str\u00e1nka <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-4\/\">Balanset-4<\/a> poskytova\u0165 v re\u00e1lnom \u010dase <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fft\/\">Anal\u00fdza spektra FFT<\/a> so sledovan\u00edm harmonick\u00e9ho kurzora, \u010do umo\u017e\u0148uje identifik\u00e1ciu vzorov 1\u00d7, 2\u00d7, 3\u00d7 a diagnostiku por\u00fach. Zariadenia kombinuj\u00fa anal\u00fdzu vibr\u00e1ci\u00ed na diagnostiku a presnos\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie\/\">vyva\u017eovanie<\/a> na opravu \u2014 identifikovanie probl\u00e9mu a jeho odstr\u00e1nenie pomocou jedn\u00e9ho n\u00e1stroja.<\/p>\n<\/p><\/div>\n<hr style=\"margin: 48px 0 24px; border: none; border-top: 1px solid var(--border-light);\">\n<p><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">\u2190 Sp\u00e4\u0165 na index slovn\u00edka<\/a><\/p>\n<\/article>\n<p>      <!-- TOC SIDEBAR --><\/p>\n<aside class=\"toc-sidebar\">\n<div class=\"toc-box\">\n<h3>Na tejto str\u00e1nke<\/h3>\n<p>          <a href=\"#calculator\">Harmonick\u00e1 kalkula\u010dka<\/a><br \/>\n          <a href=\"#diagnostic-cards\">Karty vzorov por\u00fach<\/a><br \/>\n          <a href=\"#diagnostic-table\">Diagnostick\u00e1 tabu\u013eka<\/a><br \/>\n          <a href=\"#definition\">Defin\u00edcia<\/a><br \/>\n          <a href=\"#why-generated\">Pre\u010do generovan\u00e9<\/a><br \/>\n          <a class=\"sub\" href=\"#why-generated\">Fourierova veta<\/a><br \/>\n          <a class=\"sub\" href=\"#why-generated\">Fyzik\u00e1lne mechanizmy<\/a><br \/>\n          <a href=\"#fault-signatures\">Signat\u00fary por\u00fach<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">1\u00d7 \u2014 nevyv\u00e1\u017eenos\u0165<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">2\u00d7 - Nes\u00faosos\u0165<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">Mnoho \u00d7 - Vo\u013enos\u0165<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">Ohnut\u00fd hriade\u013e, trenie, elektrick\u00fd<\/a><br \/>\n          <a href=\"#non-synchronous\">Nesynchr\u00f3nne \u0161pi\u010dky<\/a><br \/>\n          <a href=\"#analysis-guide\">Sprievodca anal\u00fdzou (6 krokov)<\/a><br \/>\n          <a href=\"#case-studies\">Pr\u00edpadov\u00e9 \u0161t\u00fadie<\/a>\n        <\/div>\n<div class=\"toc-box\" style=\"margin-top: 24px; background: var(--navy); border-color: var(--navy);\">\n<h3 style=\"color: var(--white);\">Zariadenia Vibromera<\/h3>\n<p style=\"color: rgba(255,255,255,0.6); font-size: 13px; margin-bottom: 12px;\">Prenosn\u00e1 anal\u00fdza spektra FFT + presn\u00e9 vyva\u017eovanie v jednom zariaden\u00ed.<\/p>\n<p>          <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\" style=\"display: block; padding: 8px 14px; background: var(--blue); color: white; border-radius: 6px; text-align: center; font-weight: 600; font-size: 14px; text-decoration: none; margin-bottom: 8px; border-left: none;\">Balanset-1A \u2192<\/a><br \/>\n          <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-4\/\" style=\"display: block; padding: 8px 14px; background: rgba(255,255,255,0.1); color: white; border-radius: 6px; text-align: center; font-weight: 600; font-size: 14px; text-decoration: none; border: 1px solid rgba(255,255,255,0.2); border-left: none;\">Balanset-4 \u2192<\/a>\n        <\/div>\n<\/aside><\/div>\n<\/p><\/div>\n<p><\/main><\/p>\n<p><!-- SHOP CTA --><\/p>\n<section class=\"shop-cta\">\n<div class=\"container\">\n<h2>Profesion\u00e1lna anal\u00fdza vibr\u00e1ci\u00ed a vyva\u017eovanie<\/h2>\n<p>Diagnostikujte harmonick\u00e9 vzory a vyva\u017eujte rotory priamo v ter\u00e9ne pomocou prenosn\u00fdch zariaden\u00ed spolo\u010dnosti Vibromera \u2013 FFT spektrum, meranie f\u00e1zy a vyva\u017eovanie v s\u00falade s normami ISO v jednom pr\u00edstroji.<\/p>\n<p>    <a href=\"https:\/\/vibromera.eu\/sk\/shop\/\" class=\"cta-btn\">Preh\u013ead\u00e1va\u0165 zariadenia \u2192<\/a>\n  <\/div>\n<\/section>\n<p><!-- FOOTER --><\/p>\n<footer class=\"page-footer\">\n<div class=\"container\">\n<p><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">\u2190 Sp\u00e4\u0165 na slovn\u00edk<\/a> &nbsp;|&nbsp; <a href=\"https:\/\/vibromera.eu\/sk\/\">vibromera.eu<\/a><\/p>\n<\/p><\/div>\n<\/footer>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">\u2190 Sp\u00e4\u0165 na hlavn\u00fd index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Z\u00edskajte inform\u00e1cie o harmonick\u00fdch v anal\u00fdze vibr\u00e1ci\u00ed. Pochopte, ako sa generuj\u00fa tieto celo\u010d\u00edseln\u00e9 n\u00e1sobky z\u00e1kladnej frekvencie a \u010do nazna\u010duj\u00fa o stave stroja, ako je napr\u00edklad nes\u00faosos\u0165 a v\u00f4\u013ea.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-136","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":5,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/136\/revisions"}],"predecessor-version":[{"id":101731,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/136\/revisions\/101731"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=136"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}