{"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\/hr\/glossary\/harmonics\/","title":{"rendered":"\u0160to su harmonici u analizi vibracija?"},"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; 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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; 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}\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\/hr\/\">Po\u010detna<\/a> \u2192 <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/\">Glosar<\/a> \u2192 Harmonici\n    <\/div>\n<h1>Razumijevanje <span>Harmonici<\/span> u analizi vibracija<\/h1>\n<p class=\"subtitle\">Za\u0161to se cjelobrojni vi\u0161ekratnici brzine vratila pojavljuju u spektrima vibracija \u2014 i kako uzorak harmonika 1\u00d7, 2\u00d7, 3\u00d7\u2026 otkriva to\u010dnu prirodu kvarova strojeva, od disbalansa i neuskla\u0111enosti do labavosti i trenja.<\/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\/hr\/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\/hr\/product\/balanset-1\/\" title=\"Prijenosni balanser &amp; analizator vibracija 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=\"Balanset-1A kompletan set prijenosnog balansera i analizatora vibracija\" 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\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/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\/hr\/product\/balanset-1\/\" title=\"Prijenosni balanser &amp; analizator vibracija Balanset-1A\">Portable balancer &amp; Vibration analyzer 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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Portable balancer &amp; Vibration analyzer Balanset-1A&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/vibration-sensor\/\" title=\"senzor vibracija\">\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=\"Detalj senzora vibracija Balanset-1A\" 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\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/hr\/product\/vibration-sensor\/\" title=\"senzor vibracija\">senzor vibracija<\/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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Vibration sensor&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dki senzor (laserski tahometar)\">\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=\"Opti\u010dki senzor (laserski tahometar)\" 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\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/hr\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dki senzor (laserski tahometar)\">Opti\u010dki senzor (laserski tahometar)<\/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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Optical Sensor (Laser Tachometer)&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/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=\"Vibromera komplet za balansiranje rotora: torba za no\u0161enje, vi\u0161ekanalni pretvara\u010d signala, ru\u010dni analizator, magnetska baza, senzori vibracija i spiralni kabeli.\" 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\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/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\/hr\/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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Balanset-4&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/magnet-stand\/\" title=\"Magnetski stalak Insize nosivosti 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=\"Magnetska baza.\" 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\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/hr\/product\/magnet-stand\/\" title=\"Magnetski stalak Insize nosivosti 60 kgf\">Magnetski stalak Insize nosivosti 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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Magnetic Stand Insize-60-kgf&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/reflective-tape\/\" title=\"Reflektiraju\u0107a traka\">\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=\"Reflektiraju\u0107a traka\" 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\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/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\/hr\/product\/reflective-tape\/\" title=\"Reflektiraju\u0107a traka\">Reflektiraju\u0107a traka<\/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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Reflective tape&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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\/hr\/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\/hr\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d 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=\"Sadr\u017eaj kompleta Balanset-1A s jedinicom za su\u010delje, senzorima, tahometrom i dodacima\" 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\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/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\/hr\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM\">Dinami\u010dki balanser \u201cBalanset-1A\u201d 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> + PDV (ako je primjenjivo)<\/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=\"\/hr\/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=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" 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=\"\/hr\/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=\"Dodaj u ko\u0161aricu: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Dynamic balancer \u201cBalanset-1A\u201d OEM&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/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 Harmonijski kalkulator<\/a><br \/>\n    <a href=\"#diagnostic-cards\">\ud83d\udcca Obrasci gre\u0161aka<\/a><br \/>\n    <a href=\"#diagnostic-table\">\ud83d\udccb Dijagnosti\u010dka tablica<\/a><br \/>\n    <a href=\"#definition\">\ud83d\udcd0 Definicija<\/a><br \/>\n    <a href=\"#why-generated\">\ud83d\udd22 Za\u0161to generirano<\/a><br \/>\n    <a href=\"#fault-signatures\">\ud83d\udd0d Potpisi kvarova<\/a><br \/>\n    <a href=\"#non-synchronous\">\u3030\ufe0f Nesinkrono<\/a><br \/>\n    <a href=\"#analysis-guide\">\ud83d\udee0 Vodi\u010d za analizu<\/a><br \/>\n    <a href=\"#case-studies\">\ud83d\udcdd Studije slu\u010daja<\/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\">Kalkulator harmonijske frekvencije<\/h2>\n<p class=\"panel-subtitle\">Izra\u010dunajte harmonike i uobi\u010dajene frekvencije kvarova za bilo koju brzinu vratila<\/p>\n<div class=\"calc-form\">\n<div class=\"form-group\">\n            <label>Brzina osovine <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>Broj harmonika<\/label><br \/>\n            <select id=\"numHarmonics\"><option value=\"5\">5 harmonika<\/option><option value=\"10\" selected>10 harmonika<\/option><option value=\"15\">15 harmonika<\/option><option value=\"20\">20 harmonika<\/option><\/select>\n          <\/div>\n<div class=\"form-group\">\n            <label>Broj lopatica\/krilaca <span class=\"unit\">(neobavezno)<\/span><\/label><br \/>\n            <input type=\"number\" id=\"numBlades\" value=\"\" min=\"0\" step=\"1\" placeholder=\"npr. 5, 7\">\n          <\/div>\n<div class=\"form-group\">\n            <label>Broj zuba zup\u010danika <span class=\"unit\">(neobavezno)<\/span><\/label><br \/>\n            <input type=\"number\" id=\"numTeeth\" value=\"\" min=\"0\" step=\"1\" placeholder=\"npr. 48\">\n          <\/div>\n<div class=\"form-group\">\n            <label>Frekvencija linije <span class=\"unit\">(herci)<\/span><\/label><br \/>\n            <select id=\"lineFreq\"><option value=\"50\" selected>50 Hz (Europa \/ Azija)<\/option><option value=\"60\">60 Hz (Amerike)<\/option><\/select>\n          <\/div>\n<div class=\"form-group\">\n            <label>Broj polova <span class=\"unit\">(motor)<\/span><\/label><br \/>\n            <select id=\"numPoles\"><option value=\"2\">2-polni<\/option><option value=\"4\" selected>4-polni<\/option><option value=\"6\">6-polni<\/option><option value=\"8\">8-polni<\/option><\/select>\n          <\/div>\n<p>          <button class=\"calc-btn\" onclick=\"calculate()\">Izra\u010dunaj sve frekvencije \u2192<\/button>\n        <\/div>\n<\/p><\/div>\n<p>      <!-- Results --><\/p>\n<div class=\"results-panel\">\n<h2 class=\"panel-title\">Harmonijski spektar<\/h2>\n<p class=\"panel-subtitle\">Vizualna karta frekvencija i potpuna harmonijska tablica<\/p>\n<div id=\"resultsArea\">\n<div class=\"results-empty\">\n            <span class=\"icon\">\ud83d\udcc8<\/span><br \/>\n            Unesite brzinu osovine i kliknite Izra\u010dunaj<br \/>vidjeti harmonijske frekvencije\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>Obrasci potpisa kvarova \u2014 brza identifikacija<\/h2>\n<p>Svaki mehani\u010dki kvar stvara karakteristi\u010dan harmonijski spektar vidljiv u <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/spectrum\/\">spektar vibracija<\/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\">Neravnote\u017ea<\/div>\n<div class=\"fc-pattern\">Dominantno 1\u00d7 \u2014 \u010disto, jedan vrh<\/div>\n<div class=\"fc-body\"><strong>Uzorak:<\/strong> Sna\u017ean 1\u00d7 s minimalnim harmonicima. Amplituda proporcionalna brzini\u00b2. Faza je stabilna i ponovljiva. <strong>Smjer:<\/strong> Primarno radijalne vibracije.<\/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\">Neuskla\u0111enost<\/div>\n<div class=\"fc-pattern\">Sna\u017eno 2\u00d7 (i 3\u00d7) u odnosu na 1\u00d7<\/div>\n<div class=\"fc-body\"><strong>Kutni:<\/strong> Visoka 1\u00d7 aksijalna. <strong>Paralelno:<\/strong> Visoka 2\u00d7 radijalna, \u010desto \u2265 1\u00d7 amplituda. Te\u0161ki slu\u010dajevi pokazuju 3\u00d7, 4\u00d7. <strong>Klju\u010d:<\/strong> Visoke aksijalne vibracije na spojnici.<\/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\">Mehani\u010dka labavost<\/div>\n<div class=\"fc-pattern\">Mnogi harmonici: 1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7\u2026 do 10\u00d7+<\/div>\n<div class=\"fc-body\"><strong>Uzorak:<\/strong> Bogata obitelj harmonika \u010desto sa subharmonicima (\u00bd\u00d7, \u2153\u00d7). Nestabilna faza. Vi\u0161e harmonika = ve\u0107a labavost. <strong>Klju\u010dni pokazatelj:<\/strong> prisutni su subharmonici.<\/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\">Kvar le\u017eaja<\/div>\n<div class=\"fc-pattern\">Nesinkroni vrhovi: BPFO, BPFI + harmonici<\/div>\n<div class=\"fc-body\"><strong>Uzorak:<\/strong> Vrhovi u <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-fault-frequencies\/\" style=\"color:var(--success)\">frekvencije kvarova le\u017eajeva<\/a> (nisu cjelobrojni vi\u0161ekratnici broja okretaja). Harmonici frekvencije kvarnog elementa + <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/sidebands\/\" style=\"color:var(--success)\">bo\u010dni pojasevi<\/a> na razmaku 1\u00d7.<\/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\u00b7BPF<\/span><\/div>\n<div class=\"bar\" style=\"height:25%;background:var(--success-light)\"><span class=\"bar-label\">3\u00b7BPF<\/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\">Elektri\u010dni kvarovi<\/div>\n<div class=\"fc-pattern\">2\u00d7 linijska frekvencija (2FL) \u00b1 bo\u010dni pojasevi klizanja<\/div>\n<div class=\"fc-body\"><strong>Stator:<\/strong> 2FL (100\/120 Hz) dominantno. <strong>Rotorske \u0161ipke:<\/strong> 1\u00d7 s bo\u010dnim trakama na <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/pole-pass-frequency\/\" style=\"color:var(--purple)\">frekvencija prolaza polova<\/a>. <strong>Test:<\/strong> Nestanak struje \u2014 elektri\u010dne vibracije trenutno opadaju.<\/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\">4. nadzemna \u017eeljeznica<\/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\">Trljanje osovine<\/div>\n<div class=\"fc-pattern\">Mnogi harmonici vi\u0161eg reda + podharmonici<\/div>\n<div class=\"fc-body\"><strong>Lagano trljanje:<\/strong> \u00bd\u00d7, 1\u00d7 i mnogi harmonici do 10\u00d7+. <strong>Potpuno prstenasto trenje:<\/strong> Dominantni su subharmonici (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7). Termi\u010dko savijanje mo\u017ee uzrokovati pomicanje 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 Potpuni dijagnosti\u010dki priru\u010dnik za harmonijske uzorke<\/div>\n<table>\n<thead>\n<tr>\n<th>Stanje gre\u0161ke<\/th>\n<th>Dominantni harmonici<\/th>\n<th>Uzorak amplitude<\/th>\n<th>Smjer<\/th>\n<th>Fazno pona\u0161anje<\/th>\n<th>Razlikuju\u0107a zna\u010dajka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Neuravnote\u017eenost mase<\/td>\n<td class=\"mono\">1\u00d7<\/td>\n<td>1\u00d7 \u226b svi ostali<\/td>\n<td>Radijalno<\/td>\n<td>Stabilan; prati te\u0161ku to\u010dku<\/td>\n<td>\u010cisti pojedina\u010dni vrh; proporcionalan brzini\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Savijena osovina<\/td>\n<td class=\"mono\">1\u00d7 + 2\u00d7<\/td>\n<td>Oba visoka<\/td>\n<td>Aksijalni + Radijalni<\/td>\n<td>1\u00d7 faza 180\u00b0 izme\u0111u krajeva (aksijalno)<\/td>\n<td>Visoka aksijalna vrijednost 1\u00d7; ne mo\u017ee se ispraviti balansiranjem<\/td>\n<\/tr>\n<tr>\n<td>Kutna neuskla\u0111enost<\/td>\n<td class=\"mono\">1\u00d7 (aksijalni)<\/td>\n<td>Visoka aksijalna 1\u00d7 na spojnici<\/td>\n<td>Aksijalno dominantno<\/td>\n<td>180\u00b0 preko spojnice (aksijalno)<\/td>\n<td>Aksijalni 1\u00d7 na spojnici &gt; radijalni<\/td>\n<\/tr>\n<tr>\n<td>Paralelno neporavnanje<\/td>\n<td class=\"mono\">2\u00d7 (radijalno)<\/td>\n<td>2\u00d7 \u2248 ili &gt; 1\u00d7; mo\u017ee se pojaviti 3\u00d7<\/td>\n<td>Radijalno dominantno<\/td>\n<td>180\u00b0 preko spojnice (radijalno)<\/td>\n<td>Omjer 2\u00d7 prema 1\u00d7 je dijagnosti\u010dki<\/td>\n<\/tr>\n<tr>\n<td>Labavost - strukturna (tip A)<\/td>\n<td class=\"mono\">1\u00d7<\/td>\n<td>Smjerno \u2014 vi\u0161e u labavom smjeru<\/td>\n<td>Usmjereno<\/td>\n<td>Nestabilan; mo\u017ee lutati<\/td>\n<td>Amplituda se mijenja s momentom vijka<\/td>\n<\/tr>\n<tr>\n<td>Labavost \u2014 rotatorna (tip B)<\/td>\n<td class=\"mono\">1\u00d7, 2\u00d7, 3\u00d7\u2026n\u00d7<\/td>\n<td>Bogati harmonijski niz + \u00bd\u00d7<\/td>\n<td>Radijalno<\/td>\n<td>Nestabilan; nepredvidiv<\/td>\n<td>Subharmonici (\u00bd\u00d7, \u2153\u00d7) su klju\u010dni diferencijator<\/td>\n<\/tr>\n<tr>\n<td>Labavost - sjedi\u0161te le\u017eaja (tip C)<\/td>\n<td class=\"mono\">Mnogo harmonika + podharmonici<\/td>\n<td>Porast razine \u0161uma s mnogo vrhova<\/td>\n<td>Radijalno<\/td>\n<td>Vrlo nestabilno<\/td>\n<td>Povi\u0161enje praga \u0161uma \u0161irokopojasnog signala<\/td>\n<\/tr>\n<tr>\n<td>Meko stopalo<\/td>\n<td class=\"mono\">1\u00d7 + 2\u00d7<\/td>\n<td>1\u00d7 mijenja se s momentom pritezanja vijka<\/td>\n<td>Vertikalno dominantno<\/td>\n<td>Pomi\u010de se pri zatezanju vijaka<\/td>\n<td>1\u00d7 amplituda se mijenja kada se vijci pojedina\u010dno otpu\u0161taju<\/td>\n<\/tr>\n<tr>\n<td>Trenje rotora (lako, djelomi\u010dno)<\/td>\n<td class=\"mono\">\u00bd\u00d7, 1\u00d7, 2\u00d7\u2026n\u00d7<\/td>\n<td>Mnogi harmonici vi\u0161eg reda<\/td>\n<td>Radijalno<\/td>\n<td>Nepravilan; toplinski drift<\/td>\n<td>\u00bd\u00d7 i \u2153\u00d7 subharmonici; pomak toplinskog vektora<\/td>\n<\/tr>\n<tr>\n<td>Trenje rotora (potpuni prstenasti kontakt)<\/td>\n<td class=\"mono\">\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7 dominantno<\/td>\n<td>Subharmonici &gt; 1\u00d7<\/td>\n<td>Radijalno<\/td>\n<td>Kaoti\u010dno<\/td>\n<td>Subsinkrona dominacija; obrnuta precesija<\/td>\n<\/tr>\n<tr>\n<td>Uljni vrtlog<\/td>\n<td class=\"mono\">0,42\u20130,48\u00d7<\/td>\n<td>Subsinkroni vrh odmah ispod \u00bd\u00d7<\/td>\n<td>Radijalno<\/td>\n<td>Direktna precesija<\/td>\n<td>Frekvencija prati oko 0,43\u00d7 brzine vrtnje; ovisna o brzini<\/td>\n<\/tr>\n<tr>\n<td>Uljni bi\u010d<\/td>\n<td class=\"mono\">\u2248 1. kriti\u010dna<\/td>\n<td>Zaklju\u010dano na 1. kriti\u010dnoj brzini bez obzira na brzinu<\/td>\n<td>Radijalno<\/td>\n<td>Direktna precesija<\/td>\n<td>Zaklju\u010davanje frekvencije; katastrofalno ako se ne rije\u0161i<\/td>\n<\/tr>\n<tr>\n<td>Mre\u017ea zup\u010danika<\/td>\n<td class=\"mono\">GMF, 2\u00d7GMF, 3\u00d7GMF<\/td>\n<td>GMF = #zubi \u00d7 RPM + bo\u010dni pojasevi<\/td>\n<td>Radijalno + aksijalno<\/td>\n<td>N\/A (prisilno)<\/td>\n<td>Bo\u010dni pojasevi pri brzini vrtnje vratila identificiraju o\u0161te\u0107eni zup\u010danik<\/td>\n<\/tr>\n<tr>\n<td>Prolaz lopatice\/krilca<\/td>\n<td class=\"mono\">BPF, 2\u00d7BPF<\/td>\n<td>BPF = #lopatica \u00d7 RPM<\/td>\n<td>Radijalno + aksijalno<\/td>\n<td>N\/A (prisilno)<\/td>\n<td>Normalno; visoka amplituda = problem s razmakom ili rezonancijom<\/td>\n<\/tr>\n<tr>\n<td>Ekscentricitet statora<\/td>\n<td class=\"mono\">2FL (100\/120 Hz)<\/td>\n<td>2\u00d7 dominantna linijska frekvencija<\/td>\n<td>Radijalno<\/td>\n<td>N\/A<\/td>\n<td>Trenuta\u010dno nestaje pri nestanku struje<\/td>\n<\/tr>\n<tr>\n<td>Defekt rotorske \u0161ipke<\/td>\n<td class=\"mono\">1\u00d7 s bo\u010dnim pojasevima prolaza polova<\/td>\n<td>Bo\u010dni pojasevi na frekvenciji klizanja \u00d7 broj polova<\/td>\n<td>Radijalno<\/td>\n<td>Modulirano<\/td>\n<td>Zumiranje od oko 1\u00d7 otkriva ravnomjerno raspore\u0111ene bo\u010dne pojaseve<\/td>\n<\/tr>\n<tr>\n<td>VFD-inducirano<\/td>\n<td class=\"mono\">Harmonici sklopne frekvencije<\/td>\n<td>Nesinkroni vrhovi na PWM frekvenciji<\/td>\n<td>Radijalno<\/td>\n<td>N\/A<\/td>\n<td>Frekvencija neovisna o brzini osovine<\/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 Subharmonijska i frakcijsko-harmonijska referenca<\/div>\n<table>\n<thead>\n<tr>\n<th>Frekvencija<\/th>\n<th>Oznaka<\/th>\n<th>Uobi\u010dajeni uzroci<\/th>\n<th>Ozbiljnost<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"mono\">0,42\u20130,48\u00d7<\/td>\n<td>Uljni vrtlog<\/td>\n<td>Nedovoljno optere\u0107enje le\u017eaja; preveliki zazor; lagana osovina<\/td>\n<td><span class=\"tag high\">Kriti\u010dno \u2014 mo\u017ee dovesti do uljnog bi\u010da<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u00bd\u00d7 (0,50\u00d7)<\/td>\n<td>Pola narud\u017ebe<\/td>\n<td>Trenje, labavost (tip B\/C), napuknuto vratilo (rijetko), problemi s remenom<\/td>\n<td><span class=\"tag high\">Zna\u010dajno - odmah istra\u017eiti<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u2153\u00d7 (0,33\u00d7)<\/td>\n<td>Subharmonik tre\u0107eg reda<\/td>\n<td>Potpuno prstenasto trenje; jaka labavost; nestabilnost uzrokovana teku\u0107inom<\/td>\n<td><span class=\"tag high\">Te\u0161ko - opasno stanje<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u00bc\u00d7 (0,25\u00d7)<\/td>\n<td>Podharmonik \u010detvrtinskog reda<\/td>\n<td>Potpuno trljanje s zaklju\u010danom orbitom; ekstremna labavost<\/td>\n<td><span class=\"tag high\">Vrlo ozbiljno \u2014 mo\u017eda \u0107e biti potrebno isklju\u010divanje<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">1,5\u00d7 (3\/2\u00d7)<\/td>\n<td>3\/2 narud\u017ebe<\/td>\n<td>Vrtlog ulja u kombinaciji s disbalansom<\/td>\n<td><span class=\"tag medium\">Pa\u017eljivo pratite<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">2,5\u00d7, 3,5\u00d7\u2026<\/td>\n<td>Obitelj polureda<\/td>\n<td>Labavost s jakom komponentom trenja<\/td>\n<td><span class=\"tag medium\">Kombinirani mehanizmi kvarova<\/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>Definicija: \u0160to je harmonik?<\/h2>\n<p>U analizi vibracija, a <strong>harmonik<\/strong> je frekvencija koja je to\u010dan cjelobrojni vi\u0161ekratnik osnovne frekvencije. U rotiraju\u0107im strojevima, osnovna frekvencija je obi\u010dno brzina vrtnje vratila, koja se naziva 1. harmonik ili <strong>1\u00d7<\/strong>. Sljede\u0107i harmonici su cjelobrojni vi\u0161ekratnici: 2\u00d7 (dvostruka brzina osovine), 3\u00d7 (tri puta) i tako dalje. Ove frekvencije se tako\u0111er nazivaju <em>narud\u017ebe<\/em> radne brzine ili <em>sinkroni harmonici<\/em> jer su precizno sinkronizirani s rotacijom osovine.<\/p>\n<p>Na primjer, ako motor radi na 1800 okretaja u minuti (30 Hz), njegovi harmonici pojavljuju se na 60 Hz (2\u00d7), 90 Hz (3\u00d7), 120 Hz (4\u00d7), 150 Hz (5\u00d7) i tako dalje. Harmonijski niz je teoretski beskona\u010dan, ali u praksi se amplituda smanjuje pri vi\u0161im redovima i samo prvih nekoliko harmonika nosi dijagnosti\u010dke informacije.<\/p>\n<div class=\"formula-box\">\n<div class=\"formula-label\">Definicija harmonijske frekvencije<\/div>\n<div class=\"formula-main\">f<sub>n<\/sub> = n \u00d7 f<sub>1<\/sub> = n \u00d7 (o\/min \/ 60)<\/div>\n<div class=\"formula-note\">gdje je n = 1, 2, 3, 4\u2026 (harmonijski red) i f\u2081 = frekvencija rotacije vratila u Hz<\/div>\n<\/p><\/div>\n<div class=\"info-box\">\n<div class=\"box-title\">Harmonici vs. subharmonici vs. nesinkroni vrhovi<\/div>\n<p><strong>Harmonici<\/strong> su cjelobrojni vi\u0161ekratnici brzine osovine (2\u00d7, 3\u00d7, 4\u00d7\u2026). <strong>Subharmonici<\/strong> su djelomi\u010dni vi\u0161ekratnici (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7) i uvijek ukazuju na ozbiljne mehani\u010dke probleme. <strong>Nesinkroni vrhovi<\/strong> su frekvencije koje nisu povezane s brzinom osovine - kao \u0161to su <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-fault-frequencies\/\">frekvencije kvarova le\u017eajeva<\/a>, frekvencije zahvata zup\u010danika, mre\u017ena frekvencija (50\/60 Hz) ili <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/natural-frequency\/\">prirodne frekvencije<\/a> \u2014 i zahtijevaju razli\u010dite dijagnosti\u010dke pristupe. Vrhunac pri 3,57 \u00d7 okretaja u minuti NIJE harmonik; vjerojatno je rije\u010d o frekvenciji kvara le\u017eaja.<\/p>\n<\/p><\/div>\n<h2 id=\"why-generated\">Za\u0161to se generiraju harmonici?<\/h2>\n<p>U savr\u0161eno linearnom sustavu pobu\u0111enom \u010distom sinusoidnom silom (kao \u0161to je savr\u0161eno uravnote\u017een, savr\u0161eno poravnat rotor u savr\u0161enim le\u017eajevima), pojavio bi se samo 1\u00d7 osnovni harmonik. Pravi strojevi nikada nisu savr\u0161eno linearni. Harmonici se pojavljuju kad god je oblik vibracijskog vala iskrivljen iz \u010distog sinusnog vala - kad god je odziv sustava <em>nelinearno<\/em> ili sama funkcija prisile nije sinusoidna.<\/p>\n<h3>Matematika: Fourierov teorem<\/h3>\n<p><strong>Fourierov teorem<\/strong> navodi da se bilo koji periodi\u010dni valni oblik - bez obzira na njegovu slo\u017eenost - mo\u017ee rastaviti na zbroj sinusnih valova na osnovnoj frekvenciji i njihovih cjelobrojnih vi\u0161ekratnika, svaki sa specifi\u010dnom amplitudom i fazom. FFT (brza Fourierova transformacija) algoritam koji koriste analizatori vibracija izvodi ovu rastavu ra\u010dunalno, otkrivaju\u0107i harmonijski sadr\u017eaj signala.<\/p>\n<p>\u010cisti sinusni val ima samo jednu frekvencijsku komponentu. Kvadratni val sadr\u017ei sve neparne harmonike (1\u00d7, 3\u00d7, 5\u00d7, 7\u00d7\u2026) s amplitudama koje opadaju kao 1\/n. Pilast val sadr\u017ei sve harmonike s amplitudama koje opadaju kao 1\/n. Specifi\u010dan oblik izobli\u010denja odre\u0111uje koji \u0107e se harmonici pojaviti - to je ono \u0161to harmonijsku analizu \u010dini tako dijagnosti\u010dki mo\u0107nom.<\/p>\n<h3>Fizi\u010dki mehanizmi koji generiraju harmonike<\/h3>\n<ul>\n<li><strong>Izrezivanje \/ skra\u0107ivanje valnog oblika:<\/strong> Kada je kretanje vratila fizi\u010dki ograni\u010deno (ku\u0107i\u0161te le\u017eaja, kontakt trenjem), rezultiraju\u0107i valni oblik se odre\u017ee, generiraju\u0107i harmonike. O\u0161trije odrezanje proizvodi vi\u0161e harmonika.<\/li>\n<li><strong>Asimetri\u010dna krutost:<\/strong> Ako se krutost sustava razlikuje izme\u0111u pozitivne i negativne polovice ciklusa vibracija (otvaranje\/zatvaranje napuknute osovine, neuskla\u0111enost koja stvara razli\u010ditu krutost naprezanja\/kompresije), generiraju se parni harmonici (2\u00d7, 4\u00d7, 6\u00d7).<\/li>\n<li><strong>Doga\u0111aji udara:<\/strong> Periodi\u010dni udarci (labavi vijci, udarci zbog defekta le\u017eaja) stvaraju o\u0161tre, kratkotrajne valne oblike koji su izuzetno bogati harmonijskim sadr\u017eajem - poput na\u010dina na koji bubnjarska palica proizvodi mnoge alikvotne tonove.<\/li>\n<li><strong>Nelinearne vra\u0107aju\u0107e sile:<\/strong> Kada se krutost mijenja s pomakom (le\u017eajevi pod promjenjivim optere\u0107enjem, progresivno mijenjaju\u0107i gumeni nosa\u010di), odziv na sinusoidnu silu sadr\u017ei harmonike.<\/li>\n<li><strong>Parametrijsko uzbu\u0111enje:<\/strong> Kada se svojstva sustava periodi\u010dno mijenjaju frekvencijom povezanom s brzinom vratila, mogu generirati harmonike i subharmonike frekvencije pobude.<\/li>\n<\/ul>\n<div class=\"info-box success\">\n<div class=\"box-title\">Klju\u010dni dijagnosti\u010dki princip<\/div>\n<p>Uzorak prisutnih harmonika, njihove relativne amplitude i onih koji su odsutni govori analiti\u010daru koji fizi\u010dki mehanizam generira nelinearnost. Iskusni analiti\u010dari ispituju cjelokupnu harmonijsku strukturu spektra - ne samo ukupnu razinu vibracija - kako bi identificirali specifi\u010dne mehanizme kvara.<\/p>\n<\/p><\/div>\n<h2 id=\"fault-signatures\">Detaljni potpisi kvarova \u2014 harmonijski obrasci<\/h2>\n<h3>1\u00d7 Dominantno \u2014 Disbalans<\/h3>\n<p>Dominantni vrh na 1\u00d7 s minimalnim vi\u0161im harmonicima je klasi\u010dan potpis <strong><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/unbalance\/\">neuravnote\u017eenost mase<\/a><\/strong>. Sila neravnote\u017ee je inherentno sinusoidna (rotira s osovinom na frekvenciji 1\u00d7), stvaraju\u0107i \u010disti jedan vrh u frekvencijskoj domeni.<\/p>\n<h4>Dijagnosti\u010dki detalji<\/h4>\n<ul>\n<li><strong>Amplituda:<\/strong> Proporcionalno brzini\u00b2 (dvostruka brzina \u2192 4\u00d7 amplituda) i proporcionalno masi neuravnote\u017eenosti<\/li>\n<li><strong>Faza:<\/strong> Stabilno, ponovljivo, jednovrijedno. Predvidljivo se mijenja s dodavanjem probnog utega \u2014 to je temelj svega <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/balancing\/\">postupci uravnote\u017eenja<\/a><\/li>\n<li><strong>Smjer:<\/strong> Primarno radijalni; aksijalni 1\u00d7 je nizak osim ako rotor nema zna\u010dajan prepust<\/li>\n<li><strong>Potvrda:<\/strong> Odziv na probne utege potvr\u0111uje neravnote\u017eu. Ako 1\u00d7 ne reagira na probne utege, razmislite o savijenom vratilu, ekscentri\u010dnosti ili rezonanciji.<\/li>\n<\/ul>\n<div class=\"info-box warning\">\n<div class=\"box-title\">Nisu sve 1\u00d7 vibracije posljedica neuravnote\u017eenosti<\/div>\n<p>Nekoliko uvjeta uzrokuje visoki 1\u00d7 koji se NE mo\u017ee ispraviti balansiranjem: savijeno vratilo, ekscentricitet vratila, elektri\u010dno bienje na sondama za blizinu, luk rotora zbog toplinskih u\u010dinaka, ekscentricitet spojke i <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/resonance\/\">rezonancija<\/a> poja\u010danje. Uvijek provjerite dijagnozu prije poku\u0161aja balansiranja.<\/p>\n<\/p><\/div>\n<h3>2\u00d7 Dominantno \u2014 Neuskla\u0111enost<\/h3>\n<p>Jaki drugi harmonik, \u010desto usporediv po amplitudi s vrhom od 1\u00d7 ili ve\u0107i od njega, primarni je pokazatelj <strong><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/misalignment\/\">neuskla\u0111enost osovine<\/a><\/strong>. Neuskla\u0111enost prisiljava osovinu da se tijekom svakog okretaja kre\u0107e po nesinusoidalnoj putanji, stvaraju\u0107i izobli\u010denje koje generira 2\u00d7, a ponekad i harmonike vi\u0161eg reda.<\/p>\n<h4>Kutno u odnosu na paralelno neuskla\u0111enje<\/h4>\n<ul>\n<li><strong>Kutno neuskla\u0111enje:<\/strong> Sredi\u0161nje linije vratila sijeku se pod kutom na spojnici. Proizvodi visoke 1\u00d7 aksijalne vibracije. Faza preko spojnice pokazuje pomak od ~180\u00b0 u aksijalnom smjeru.<\/li>\n<li><strong>Paralelno (pomaknuto) neporavnanje:<\/strong> Sredi\u0161nje osi vratila su paralelne, ali pomaknute. Generira visoke 2\u00d7 radijalne vibracije, \u010desto s 2\u00d7 \u2265 1\u00d7. Te\u0161ki slu\u010dajevi generiraju 3\u00d7 i 4\u00d7. Radijalna faza preko spojke pokazuje pomak od ~180\u00b0.<\/li>\n<li><strong>Kombinirano:<\/strong> U praksi, oboje obi\u010dno koegzistiraju, stvaraju\u0107i mje\u0161avinu potpisa.<\/li>\n<\/ul>\n<h4>Omjer 2\u00d7\/1\u00d7 kao dijagnosti\u010dki pokazatelj<\/h4>\n<table class=\"article-table\">\n<thead>\n<tr>\n<th>Omjer 2\u00d7\/1\u00d7<\/th>\n<th>Vjerojatno stanje<\/th>\n<th>Radnja<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"mono\">&lt; 0,25<\/td>\n<td>Normalno; 2\u00d7 prisutno na niskoj razini u ve\u0107ini strojeva<\/td>\n<td>Nije potrebna nikakva radnja<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">0,25 \u2013 0,50<\/td>\n<td>Mogu\u0107e blago odstupanje od poravnanja; normalno za neke vrste spojnica<\/td>\n<td>Provjerite poravnanje; usporedite s osnovnom linijom<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">0,50 \u2013 1,00<\/td>\n<td>Vjerojatno zna\u010dajno neporavnanje<\/td>\n<td>Izvr\u0161ite precizno lasersko poravnanje<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">&gt; 1,00<\/td>\n<td>Ozbiljna neporavnanost; 2\u00d7 prelazi 1\u00d7<\/td>\n<td>Hitno \u2014 ponovno poravnati; provjeriti spojnicu i naprezanje cijevi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Vi\u0161estruki harmonici \u2014 mehani\u010dka labavost<\/h3>\n<p>Bogata serija <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/running-speed\/\">radna brzina<\/a> harmonici (1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7, 5\u00d7\u2026 do 10\u00d7 ili vi\u0161e) ukazuju <strong>mehani\u010dka labavost<\/strong>. Udarci, zveckanje i nelinearni ciklusi kontakta\/odvajanja generiraju ekstremno izobli\u010denje valnog oblika koje se razla\u017ee na mnoge harmonijske komponente.<\/p>\n<h4>Tri vrste labavosti<\/h4>\n<ul>\n<li><strong>Tip A \u2014 Strukturni:<\/strong> Labav spoj stroja i temelja (mekana noga, napuknuta podloga, labavi sidreni vijci). Proizvodi usmjereni 1\u00d7 (ve\u0107i u labavom smjeru). Klju\u010dni test: zategnite\/otpustite pojedina\u010dne vijke uz pra\u0107enje 1\u00d7 amplitude.<\/li>\n<li><strong>Tip B \u2014 Komponenta:<\/strong> Labava obloga le\u017eaja u poklopcu, labav poklopac na ku\u0107i\u0161tu, pretjerana labanost le\u017eaja. Proizvodi obitelj harmonika, \u010desto s subharmonicima (\u00bd\u00d7). Subharmonici su klju\u010dni razlu\u010ditelj od neuskla\u0111enosti (labavost, ne neuskla\u0111enost, proizvodi subharmonike).<\/li>\n<li><strong>Tip C \u2014 Sjedalo le\u017eaja:<\/strong> Labav impeler na osovini, labava spojka glav\u010dine, preveliki zazor le\u017eaja koji omogu\u0107uje odskakanje rotora. Proizvodi mnogo harmonika s povi\u0161enim \u0161irokopojasnim \u0161umom.<\/li>\n<\/ul>\n<div class=\"info-box\">\n<div class=\"box-title\">Subharmonici: Otisak prsta labavosti<\/div>\n<p>Prisutnost subharmonika (\u00bd\u00d7, \u2153\u00d7) najpouzdaniji je razlikovni element izme\u0111u labavosti i neuskla\u0111enosti. Neuskla\u0111enost generira 2\u00d7 i 3\u00d7, ali rijetko proizvodi subharmonike. Labavost (tip B i C) karakteristi\u010dno generira \u00bd\u00d7 jer rotor dodiruje jednu stranu le\u017eaja na jednom poluokretu i odbija se na drugu na sljede\u0107em - stvaraju\u0107i uzorak koji se ponavlja svaka dva okreta, dakle \u00bd\u00d7.<\/p>\n<\/p><\/div>\n<h3>Drugi uvjeti generiranja harmonika<\/h3>\n<h4>Savijena osovina<\/h4>\n<p>Stvara i 1\u00d7 i 2\u00d7 vibraciju s velikom aksijalnom komponentom. Za razliku od neporavnanja, <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bent-shaft\/\">iskrivljeni vrat<\/a> pokazuje 1\u00d7 koji se ne mo\u017ee ispraviti balansiranjem (geometrijska ekscentri\u010dnost, ne raspodjela mase) i ~180\u00b0 aksijalnu razliku faze izme\u0111u krajeva vratila. 2\u00d7 nastaje zbog asimetri\u010dne krutosti dok se savijanje otvara i zatvara tijekom rotacije.<\/p>\n<h4>Klipni strojevi<\/h4>\n<p>Motori, kompresori i klipni strojevi inherentno generiraju bogat harmonijski spektar jer gibanje klipa\/radilice u osnovi nije sinusoidno. Harmonijski uzorak ovisi o broju cilindara, redoslijedu paljenja i vrsti takta (dvotaktni vs. \u010detverotaktni).<\/p>\n<h4>Trljanje rotora<\/h4>\n<p>Djelomi\u010dno trenje (kontakt tijekom dijela svakog okreta) proizvodi mnoge harmonike vi\u0161eg reda - ponekad i do 10\u00d7, 20\u00d7 ili vi\u0161e. Potpuno prstenasto trenje (kontinuirani kontakt od 360\u00b0) generira dominantne podharmonike (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7) putem mehanizama obrnute precesije.<\/p>\n<h4>Elektri\u010dni problemi u motorima<\/h4>\n<p>AC motori generiraju vibracije na vi\u0161ekratnicima mre\u017ene frekvencije (50 ili 60 Hz) neovisno o brzini osovine. Naj\u010de\u0161\u0107a je 2\u00d7 mre\u017ena frekvencija (100 Hz u sustavima od 50 Hz, 120 Hz u sustavima od 60 Hz). Ovo NIJE harmonik brzine osovine - to je harmonik mre\u017ene frekvencije, \u0161to je klju\u010d za razlikovanje elektri\u010dnih od mehani\u010dkih vibracija. <strong>ispitivanje nestanka struje<\/strong> je definitivno: elektri\u010dne vibracije trenutno opadaju kada se isklju\u010di napajanje, mehani\u010dke vibracije se nastavljaju tijekom usporavanja.<\/p>\n<p>Kvari na rotor\u0161kim \u0161tapovima stvaraju bo\u010dne trake oko 1\u00d7 razmaknutih na frekvenciji prolaza pola (<a href=\"https:\/\/vibromera.eu\/hr\/glossary\/slip-frequency\/\">frekvencija klizanja<\/a> \u00d7 broj polova). Te bo\u010dne trake vrlo su blizu 1\u00d7 (unutar 1\u20135 Hz), pa zahtijevaju visokorezolucijsko <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/zoom-fft\/\">zoom FFT<\/a> analizu za rje\u0161avanje.<\/p>\n<h2 id=\"non-synchronous\">Nesinkrone frekvencije \u2014 nisu pravi harmonici<\/h2>\n<p>Nekoliko va\u017enih frekvencija se ponekad mije\u0161a s harmonicima, ali su zapravo neovisne o brzini vratila:<\/p>\n<table class=\"article-table\">\n<thead>\n<tr>\n<th>Vrsta frekvencije<\/th>\n<th>Formula<\/th>\n<th>Odnos prema RPM-u<\/th>\n<th>Bilje\u0161ke<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Frekvencije kvarova le\u017eajeva<\/td>\n<td class=\"mono\"><a href=\"https:\/\/vibromera.eu\/hr\/calculators\/bearing-defect-frequencies\/\">BPFO, BPFI, BSF, FTF<\/a><\/td>\n<td>Vi\u0161ekratnici koji nisu cijeli brojevi (npr. 3,57\u00d7, 5,43\u00d7)<\/td>\n<td>Uvijek nesinkrono; ovise o geometriji le\u017eaja<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/gear-mesh-frequency\/\">Frekvencija zahvata zup\u010danika<\/a><\/td>\n<td class=\"mono\">GMF = #zubi \u00d7 RPM<\/td>\n<td>Cijeli broj, ali vrlo visokog reda<\/td>\n<td>Tehni\u010dki harmonik, ali analiziran odvojeno<\/td>\n<\/tr>\n<tr>\n<td>Prolaz lopatice\/krilca<\/td>\n<td class=\"mono\">BPF = #lopatica \u00d7 RPM<\/td>\n<td>Cjelobrojni vi\u0161ekratnik<\/td>\n<td>Normalno; prekomjerna amplituda ukazuje na problem<\/td>\n<\/tr>\n<tr>\n<td>Frekvencija mre\u017ee<\/td>\n<td class=\"mono\">FL = 50 ili 60 Hz<\/td>\n<td>Nije povezano s RPM-om<\/td>\n<td>Elektri\u010dni; nestaje pri isklju\u010divanju napajanja<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/natural-frequency\/\">Prirodne frekvencije<\/a><\/td>\n<td class=\"mono\">f<sub>n<\/sub> = \u221a(k\/m)\/2\u03c0<\/td>\n<td>Fiksno; nije povezano s RPM-om<\/td>\n<td>Konstantna frekvencija bez obzira na promjene brzine<\/td>\n<\/tr>\n<tr>\n<td>Frekvencije remena<\/td>\n<td class=\"mono\">f<sub>pojas<\/sub> = RPM\u00d7\u03c0\u00d7D\/L<\/td>\n<td>Subsinkrono (&lt; brzina osovine)<\/td>\n<td>Frekvencija remena i njegovi harmonici 2\u00d7, 3\u00d7, 4\u00d7 BF<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"analysis-guide\">Vodi\u010d za analizu \u2014 Kako interpretirati harmonijske obrasce<\/h2>\n<h3>Korak 1: Odredite temeljnu komponentu (1\u00d7)<\/h3>\n<p>Locirajte 1\u00d7 vr\u0161ac koji odgovara brzini rotacije vratila. Provjerite pomo\u0107u <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/tachometer\/\">tahometar<\/a> ili nazivne plo\u010de motora. Na motorima s promjenjivom brzinom, 1\u00d7 mora biti precizno identificiran za svako mjerenje.<\/p>\n<h3>Korak 2: Katalogizirajte sve vrhove<\/h3>\n<p>Za svaki zna\u010dajni vrh odredite: je li to to\u010dan cjelobrojni vi\u0161ekratnik broja 1\u00d7 (pravi harmonik)? Djelomi\u010dni vi\u0161ekratnik (subharmonik)? Nije povezan s brzinom osovine (nesinkroniziran)? Za u\u010dinkovitost koristite zna\u010dajke harmonijskog kursora analizatora.<\/p>\n<h3>Korak 3: Ispitajte uzorak amplitude<\/h3>\n<ul>\n<li>Koji je harmonik dominantan? \u2192 Ukazuje na specifi\u010dan kvar<\/li>\n<li>Koliko je harmonika prisutno? \u2192 Vi\u0161e = ve\u0107e izobli\u010denje<\/li>\n<li>Prelazi li 2\u00d7 1\u00d7? \u2192 Vjerojatno neporavnatost<\/li>\n<li>Jesu li prisutni sub-harmonici? \u2192 Labavost, trenje ili <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/oil-whirl\/\">vrtlog ulja<\/a><\/li>\n<li>Smanjuje li se amplituda s redom (opadanje 1\/n)? \u2192 Tipi\u010dno za labavost<\/li>\n<\/ul>\n<h3>Korak 4: Provjerite usmjerenost<\/h3>\n<ul>\n<li><strong>Visoki radijalni, niski aksijalni:<\/strong> Neuravnote\u017eenost ili labavost<\/li>\n<li><strong>Visoka aksijalna vrijednost:<\/strong> Neuskla\u0111enost (posebno kutna) ili savijeno vratilo<\/li>\n<li><strong>Smjerni radijal:<\/strong> Strukturna labavost (ve\u0107a u smjeru labavosti)<\/li>\n<\/ul>\n<h3>Korak 5: Trend tijekom vremena<\/h3>\n<ul>\n<li>Pove\u0107avaju li se amplitude harmonika? \u2192 Kvar napreduje<\/li>\n<li>Pojavljuju li se novi harmonici? \u2192 Razvija se novi mehanizam kvara<\/li>\n<li>Raste li razina buke? \u2192 Op\u0107e tro\u0161enje ili kvar u kasnoj fazi<\/li>\n<\/ul>\n<h3>Korak 6: Korelacija s faznim podacima<\/h3>\n<ul>\n<li><strong>Neravnote\u017ea:<\/strong> 1\u00d7 faza je stabilna i ponovljiva<\/li>\n<li><strong>Neuskla\u0111enost:<\/strong> 1\u00d7 ili 2\u00d7 faza pokazuje ~180\u00b0 preko spojke<\/li>\n<li><strong>Labavost:<\/strong> Faza je nestabilna, mo\u017ee se nasumi\u010dno mijenjati izme\u0111u mjerenja<\/li>\n<\/ul>\n<p>U praksi, svih \u0161est koraka mo\u017ee se izvr\u0161iti na terenu s prijenosnim dvokanalnim instrumentom kao \u0161to je <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a>: monta\u017e akcelerometara, hvatanje spektra i faze 1\u00d7 tijekom rada stroja te direktno \u010ditanje harmonijskog spektra nasuprot dijagnosti\u010dkoj tablici iznad \u2014 zatim ispravka bilo kakve preostale neuravnote\u017eenosti bez uklanjanja rotora.<\/p>\n<h2 id=\"case-studies\">Studije slu\u010daja \u2014 Harmonijska analiza iz stvarnog svijeta<\/h2>\n<div class=\"example-block\">\n<div class=\"example-title\">Slu\u010daj 1: Motor-pumpa \u2014 Je li rije\u010d o neuravnote\u017eenosti ili neporavnanju?<\/div>\n<p><strong>Stroj:<\/strong> Centrifugalna pumpa s motorom od 30 kW pokre\u0107e se pri 2960 okretaja u minuti putem fleksibilne spojke. Ukupne vibracije: 6,2 mm\/s na le\u017eaju pogonskog dijela motora.<\/p>\n<p><strong>Spektar:<\/strong> 1\u00d7 = 4,1 mm\/s, 2\u00d7 = 3,8 mm\/s, 3\u00d7 = 1,2 mm\/s. Omjer 2\u00d7\/1\u00d7 = 0,93.<\/p>\n<p><strong>Smjer:<\/strong> Visoka radijalna 2\u00d7 na oba le\u017eaja na pogonskoj strani. Aksijalna 1\u00d7 na spojnici: motor = 2,8 mm\/s, pumpa = 3,1 mm\/s s faznom razlikom od 165\u00b0.<\/p>\n<p><strong>Dijagnoza:<\/strong> Kombinirano kutno i paralelno neporavnanje. Omjer 2\u00d7\/1\u00d7 koji se pribli\u017eava 1,0, visoka aksijalna o\u010ditanja i fazna razlika od ~180\u00b0 po spojci potvr\u0111uju. NIJE disbalans \u2014 iako je 1\u00d7 povi\u0161en, uzorak 2\u00d7 je prava pri\u010da.<\/p>\n<p><strong>Radnja:<\/strong> Izvr\u0161eno lasersko poravnanje. Nakon poravnanja: 1\u00d7 = 0,8 mm\/s, 2\u00d7 = 0,3 mm\/s. Ukupno je palo na 1,1 mm\/s \u2014 smanjenje za 82%.<\/p>\n<\/p><\/div>\n<div class=\"example-block\">\n<div class=\"example-title\">Primjer 2: Ventilator \u2014 Za\u0161to uravnote\u017eavanje ne radi?<\/div>\n<p><strong>Stroj:<\/strong> Centrifugalni ventilator pri 1480 okretaja u minuti. Vibracije: 8,5 mm\/s. Prethodni poku\u0161aj balansiranja smanjio je komponentu 1\u00d7, ali ukupne vibracije ostale su visoke.<\/p>\n<p><strong>Spektar:<\/strong> 1\u00d7 = 2,1 mm\/s (niska nakon balansiranja), \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>Dijagnoza:<\/strong> Mehani\u010dka labavost (tip B). Obitelj harmonika s \u00bd\u00d7 podharmonikom je karakteristi\u010dna. Balansiranje je ispravljeno 1\u00d7, ali nije moglo rije\u0161iti harmonike generirane labavo\u0161\u0107u koji dominiraju ukupnom vibracijom.<\/p>\n<p><strong>Radnja:<\/strong> Pregledom je utvr\u0111eno da je ku\u0107i\u0161te le\u017eaja labavo 0,08 mm u otvoru postolja. Ku\u0107i\u0161te je ponovno probu\u0161eno i ugra\u0111en je novi le\u017eaj. Nakon popravka: svi harmonici su pali na osnovnu vrijednost. Ukupno: 1,4 mm\/s.<\/p>\n<\/p><\/div>\n<div class=\"example-block\">\n<div class=\"example-title\">Slu\u010daj 3: Motor kompresora \u2014 elektri\u010dni ili mehani\u010dki?<\/div>\n<p><strong>Stroj:<\/strong> 4-polni indukcijski motor od 50 Hz pri 1485 okretaja u minuti pokre\u0107e vij\u010dani kompresor. Vibracije su se pove\u0107ale s 2,0 na 5,5 mm\/s tijekom 3 mjeseca.<\/p>\n<p><strong>Spektar:<\/strong> Dominantni vrh na 100 Hz (= 2FL). Tako\u0111er: 1\u00d7 na 24,75 Hz = 1,2 mm\/s, bo\u010dni pojasevi oko 1\u00d7 pri razmaku od \u00b11,0 Hz.<\/p>\n<p><strong>Klju\u010dni test:<\/strong> Nestanak struje \u2014 vrh od 100 Hz pao je na nulu unutar jednog okreta. Bo\u010dni pojasevi od 1\u00d7 ostali su prisutni tijekom usporavanja.<\/p>\n<p><strong>Dijagnoza:<\/strong> Dva problema: (1) Elektri\u010dni \u2014 ekscentri\u010dnost statora uzrokuje 2FL. (2) Mehani\u010dki \u2014 1\u00d7 bo\u010dni pojasevi na \u00b11,0 Hz (= frekvencija prolaska polova za 4-polni motor s klizanjem 1,0%) ukazuju na razvoj defekta rotorske \u0161ipke.<\/p>\n<p><strong>Radnja:<\/strong> Motor poslan na premotavanje. Potvr\u0111eno: 2 slomljene rotorske \u0161ipke + ekscentricitet statora zbog progiba baze. Nakon premotavanja i podmetanja: vibracija 1,6 mm\/s.<\/p>\n<\/p><\/div>\n<div class=\"info-box success\">\n<div class=\"box-title\">Vibromera oprema za harmonijsku analizu<\/div>\n<p>The <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a> i <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-4\/\">Balanset-4<\/a> pru\u017eaju u stvarnom vremenu <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/fft\/\">FFT spektralna analiza<\/a> s harmonijskom kontrolom kursora, \u0161to omogu\u0107uje identifikaciju na terenu 1\u00d7, 2\u00d7, 3\u00d7 uzoraka i dijagnozu kvara. Ure\u0111aji kombiniraju analizu vibracija za dijagnostiku i preciznost <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/balancing\/\">balansiranje<\/a> za korekciju - identificiranje problema i njegovo rje\u0161avanje jednim instrumentom.<\/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\/hr\/glossary\/\">\u2190 Natrag na indeks rje\u010dnika<\/a><\/p>\n<\/article>\n<p>      <!-- TOC SIDEBAR --><\/p>\n<aside class=\"toc-sidebar\">\n<div class=\"toc-box\">\n<h3>Na ovoj stranici<\/h3>\n<p>          <a href=\"#calculator\">Harmonijski kalkulator<\/a><br \/>\n          <a href=\"#diagnostic-cards\">Kartice uzoraka gre\u0161aka<\/a><br \/>\n          <a href=\"#diagnostic-table\">Dijagnosti\u010dka tablica<\/a><br \/>\n          <a href=\"#definition\">Definicija<\/a><br \/>\n          <a href=\"#why-generated\">Za\u0161to generirano<\/a><br \/>\n          <a class=\"sub\" href=\"#why-generated\">Fourierov teorem<\/a><br \/>\n          <a class=\"sub\" href=\"#why-generated\">Fizi\u010dki mehanizmi<\/a><br \/>\n          <a href=\"#fault-signatures\">Potpisi gre\u0161aka<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">1\u00d7 \u2014 Neuravnote\u017eenost<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">2\u00d7 \u2014 Neuskla\u0111enost<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">Mnogo \u00d7 \u2014 Labavost<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">Savijeno vratilo, trljanje, elektri\u010dni kvar<\/a><br \/>\n          <a href=\"#non-synchronous\">Nesinkroni vrhovi<\/a><br \/>\n          <a href=\"#analysis-guide\">Vodi\u010d za analizu (6 koraka)<\/a><br \/>\n          <a href=\"#case-studies\">Studije slu\u010daja<\/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);\">Oprema za vibromeriranje<\/h3>\n<p style=\"color: rgba(255,255,255,0.6); font-size: 13px; margin-bottom: 12px;\">Prijenosna FFT spektralna analiza + precizno balansiranje u jednom ure\u0111aju.<\/p>\n<p>          <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/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\/hr\/proizvod\/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>Profesionalna analiza i balansiranje vibracija<\/h2>\n<p>Dijagnosticirajte harmonijske spektre i uravnote\u017eivajte rotore na terenu pomo\u0107u prijenosnih ure\u0111aja Vibromere \u2014 FFT spektar, mjerenje faze i ISO sukladno uravnote\u017eavanje u jednom instrumentu.<\/p>\n<p>    <a href=\"https:\/\/vibromera.eu\/hr\/shop\/\" class=\"cta-btn\">Pregledaj opremu \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\/hr\/glossary\/\">\u2190 Natrag na rje\u010dnik<\/a> &nbsp;|&nbsp; <a href=\"https:\/\/vibromera.eu\/hr\/\">vibromera.eu<\/a><\/p>\n<\/p><\/div>\n<\/footer>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/\">\u2190 Natrag na glavni indeks<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Nau\u010dite o harmonicima u analizi vibracija. Shvatite kako se generiraju ovi cjelobrojni vi\u0161ekratnici osnovne frekvencije i \u0161to oni ukazuju na stanje stroja, poput neuskla\u0111enosti i labavosti.<\/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\/hr\/wp-json\/wp\/v2\/glossary\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":5,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/136\/revisions"}],"predecessor-version":[{"id":101731,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/136\/revisions\/101731"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/media?parent=136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/categories?post=136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/tags?post=136"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}