{"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\/ro\/glossary\/harmonics\/","title":{"rendered":"Ce sunt armonicele \u00een analiza vibra\u021biilor?"},"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\/ro\/\">Acas\u0103<\/a> \u2192 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">Glosar<\/a> \u2192 Armonici\n    <\/div>\n<h1>\u00cen\u021belegerea <span>Armonice<\/span> \u00een Analiza vibra\u021biilor<\/h1>\n<p class=\"subtitle\">De ce apar multipli \u00eentregi ai vitezei arborelui \u00een spectrele de vibra\u021bii \u2014 \u0219i cum modelul armonicilor 1\u00d7, 2\u00d7, 3\u00d7... dezv\u0103luie natura exact\u0103 a defec\u021biunilor ma\u0219inilor, de la dezechilibru \u0219i dezaliniere la sl\u0103bire \u0219i frecare.<\/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\/ro\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii 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 kit complet \u2014 echilibrator portabil \u0219i analizor de vibra\u021bii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">Echilibrator portabil \u0219i analizor de vibra\u021bii 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Portable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">\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=\"Prim-plan senzor de vibra\u021bii 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">Senzor de vibra\u021bii<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Vibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">\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=\"Senzor optic (tahometru cu laser)\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">Senzor optic (tahometru cu laser)<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Optical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/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=\"Kit de echilibrare a rotorului Vibromera: geant\u0103 de transport, condi\u021bioner de semnal multicanal, analizor portabil, baz\u0103 magnetic\u0103, senzori de vibra\u021bii \u0219i cabluri spiralate.\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Balanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic 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=\"Baza magnetic\u0103.\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic Insize-60-kgf\">Stand magnetic 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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Magnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">\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=\"Band\u0103 reflectorizant\u0103\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Reflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &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=\"Con\u021binutul kitului Balanset-1A cu unitate de interfa\u021b\u0103, senzori, tahometru \u0219i accesorii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">Echilibrator dinamic \"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> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Dynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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 Calculator armonic<\/a><br \/>\n    <a href=\"#diagnostic-cards\">\ud83d\udcca Modele de defecte<\/a><br \/>\n    <a href=\"#diagnostic-table\">\ud83d\udccb Tabel de diagnosticare<\/a><br \/>\n    <a href=\"#definition\">\ud83d\udcd0 Defini\u021bie<\/a><br \/>\n    <a href=\"#why-generated\">\ud83d\udd22 De ce sunt generate<\/a><br \/>\n    <a href=\"#fault-signatures\">\ud83d\udd0d Semn\u0103turile defectelor<\/a><br \/>\n    <a href=\"#non-synchronous\">\u3030\ufe0f Non-sincron<\/a><br \/>\n    <a href=\"#analysis-guide\">\ud83d\udee0 Ghid de analiz\u0103<\/a><br \/>\n    <a href=\"#case-studies\">\ud83d\udcdd Studii de caz<\/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\">Calculator de frecven\u021b\u0103 armonic\u0103<\/h2>\n<p class=\"panel-subtitle\">Calcula\u021bi armonicele \u0219i frecven\u021bele de defec\u021biune comune pentru orice tura\u021bie a arborelui<\/p>\n<div class=\"calc-form\">\n<div class=\"form-group\">\n            <label>Viteza arborelui <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>Num\u0103rul de armonici<\/label><br \/>\n            <select id=\"numHarmonics\"><option value=\"5\">5 armonici<\/option><option value=\"10\" selected>10 armonici<\/option><option value=\"15\">15 armonici<\/option><option value=\"20\">20 de armonici<\/option><\/select>\n          <\/div>\n<div class=\"form-group\">\n            <label>Num\u0103rul de lamele \/ palete <span class=\"unit\">(op\u021bional)<\/span><\/label><br \/>\n            <input type=\"number\" id=\"numBlades\" value=\"\" min=\"0\" step=\"1\" placeholder=\"de exemplu, 5, 7\">\n          <\/div>\n<div class=\"form-group\">\n            <label>Num\u0103rul de din\u021bi ai angrenajului <span class=\"unit\">(op\u021bional)<\/span><\/label><br \/>\n            <input type=\"number\" id=\"numTeeth\" value=\"\" min=\"0\" step=\"1\" placeholder=\"de exemplu 48\">\n          <\/div>\n<div class=\"form-group\">\n            <label>Frecven\u021ba liniei <span class=\"unit\">(Hz)<\/span><\/label><br \/>\n            <select id=\"lineFreq\"><option value=\"50\" selected>50 Hz (Europa \/ Asia)<\/option><option value=\"60\">60 Hz (Americi)<\/option><\/select>\n          <\/div>\n<div class=\"form-group\">\n            <label>Num\u0103r de poli <span class=\"unit\">(motor)<\/span><\/label><br \/>\n            <select id=\"numPoles\"><option value=\"2\">2 poli<\/option><option value=\"4\" selected>4 poli<\/option><option value=\"6\">6 poli<\/option><option value=\"8\">8 poli<\/option><\/select>\n          <\/div>\n<p>          <button class=\"calc-btn\" onclick=\"calculate()\">Calcula\u021bi toate frecven\u021bele \u2192<\/button>\n        <\/div>\n<\/p><\/div>\n<p>      <!-- Results --><\/p>\n<div class=\"results-panel\">\n<h2 class=\"panel-title\">Spectrul armonic<\/h2>\n<p class=\"panel-subtitle\">Hart\u0103 vizual\u0103 a frecven\u021belor \u0219i tabelul armonic complet<\/p>\n<div id=\"resultsArea\">\n<div class=\"results-empty\">\n            <span class=\"icon\">\ud83d\udcc8<\/span><br \/>\n            Introduce\u021bi viteza arborelui \u0219i face\u021bi clic pe Calculare<br \/>pentru a vedea frecven\u021bele armonice\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>Modele de semn\u0103tur\u0103 a defectelor \u2014 Identificare rapid\u0103<\/h2>\n<p>Fiecare defec\u021biune a utilajului genereaz\u0103 un model armonic caracteristic, vizibil \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">spectrul de vibra\u021bii<\/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\">Dezechilibru<\/div>\n<div class=\"fc-pattern\">Dominant 1\u00d7 - curat, un singur v\u00e2rf<\/div>\n<div class=\"fc-body\"><strong>Model:<\/strong> 1\u00d7 puternic cu armonici minime. Amplitudine propor\u021bional\u0103 cu viteza\u00b2. Faza este stabil\u0103 \u0219i repetabil\u0103. <strong>Direc\u0163ie:<\/strong> \u00cen principal vibra\u021bii radiale.<\/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\">Nealiniere<\/div>\n<div class=\"fc-pattern\">2\u00d7 (\u0219i 3\u00d7) puternic \u00een raport cu 1\u00d7<\/div>\n<div class=\"fc-body\"><strong>Angular:<\/strong> 1\u00d7 axial ridicat. <strong>Paralel:<\/strong> 2\u00d7 radial ridicat, adesea \u2265 1\u00d7 amplitudine. Cazurile severe prezint\u0103 3\u00d7, 4\u00d7. <strong>Cheie:<\/strong> Vibra\u021bii axiale ridicate la cuplaj.<\/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\">Sl\u0103bire mecanic\u0103<\/div>\n<div class=\"fc-pattern\">Multe armonici: 1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7... p\u00e2n\u0103 la 10\u00d7+<\/div>\n<div class=\"fc-body\"><strong>Model:<\/strong> Familie bogat\u0103 de armonice, adesea cu subarmonice (\u00bd\u00d7, \u2153\u00d7). Faza instabil\u0103. Mai multe armonice = joc mecanic mai sever. <strong>Indicator cheie:<\/strong> subarmonice prezente.<\/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\">Defect al rulmentului<\/div>\n<div class=\"fc-pattern\">V\u00e2rfuri nesincrone: BPFO, BPFI + armonici<\/div>\n<div class=\"fc-body\"><strong>Model:<\/strong> V\u00e2rfuri la <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-fault-frequencies\/\" style=\"color:var(--success)\">frecven\u021bele defectelor rulmen\u021bilor<\/a> (care nu sunt multipli \u00eentregi ai tura\u021biei). Armonici ale frecven\u021bei de defect + <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/sidebands\/\" style=\"color:var(--success)\">benzi laterale<\/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\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\">Defec\u021biuni electrice<\/div>\n<div class=\"fc-pattern\">2\u00d7 frecven\u021ba liniei (2FL) \u00b1 benzi laterale de alunecare<\/div>\n<div class=\"fc-body\"><strong>Stator:<\/strong> Dominant\u0103 2FL (100\/120 Hz). <strong>Barele rotorului:<\/strong> 1\u00d7 cu benzi laterale la <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/pole-pass-frequency\/\" style=\"color:var(--purple)\">frecven\u021ba de trecere a polului<\/a>. <strong>Test:<\/strong> \u00centrerupere de curent \u2014 vibra\u021bia electric\u0103 scade instantaneu.<\/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\">Frecarea arborelui<\/div>\n<div class=\"fc-pattern\">Multe armonici de ordin \u00eenalt + subarmonici<\/div>\n<div class=\"fc-body\"><strong>Frecare u\u0219oar\u0103:<\/strong> \u00bd\u00d7, 1\u00d7, \u0219i multe armonici p\u00e2n\u0103 la 10\u00d7+. <strong>Frecare inelar\u0103 complet\u0103:<\/strong> Subarmonicele (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7) sunt dominante. \u00cencovoierea termic\u0103 poate cauza devierea vectorului 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 Referin\u021b\u0103 complet\u0103 de diagnosticare a modelelor armonice<\/div>\n<table>\n<thead>\n<tr>\n<th>Stare de defec\u021biune<\/th>\n<th>Armonici dominante<\/th>\n<th>Model de amplitudine<\/th>\n<th>Direc\u0163ie<\/th>\n<th>Comportamentul fazei<\/th>\n<th>Tr\u0103s\u0103tur\u0103 distinctiv\u0103<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Dezechilibru de mas\u0103<\/td>\n<td class=\"mono\">1\u00d7<\/td>\n<td>1\u00d7 \u226b toate celelalte<\/td>\n<td>Radial<\/td>\n<td>Stabil\u0103; urmeaz\u0103 punctul greu<\/td>\n<td>Un singur v\u00e2rf curat; propor\u021bional cu viteza\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Arbore \u00eendoit<\/td>\n<td class=\"mono\">1\u00d7 + 2\u00d7<\/td>\n<td>Ambele ridicate<\/td>\n<td>Axial + Radial<\/td>\n<td>1\u00d7 faz\u0103 180\u00b0 \u00eentre capete (axial)<\/td>\n<td>Axial ridicat 1\u00d7; nu poate fi corectat prin echilibrare<\/td>\n<\/tr>\n<tr>\n<td>Nealiniere unghiular\u0103<\/td>\n<td class=\"mono\">1\u00d7 (axial)<\/td>\n<td>1\u00d7 axial ridicat la cuplaj<\/td>\n<td>Dominant axial<\/td>\n<td>180\u00b0 peste cuplaj (axial)<\/td>\n<td>Axial 1\u00d7 la cuplaj &gt; radial<\/td>\n<\/tr>\n<tr>\n<td>Nealiniere paralel\u0103<\/td>\n<td class=\"mono\">2\u00d7 (radial)<\/td>\n<td>2\u00d7 \u2248 sau &gt; 1\u00d7; poate ap\u0103rea 3\u00d7<\/td>\n<td>Dominant\u0103 radial\u0103<\/td>\n<td>180\u00b0 peste cuplaj (radial)<\/td>\n<td>Raportul 2\u00d7 fa\u021b\u0103 de 1\u00d7 este diagnostic<\/td>\n<\/tr>\n<tr>\n<td>Joc mecanic \u2014 structural (tip A)<\/td>\n<td class=\"mono\">1\u00d7<\/td>\n<td>Direc\u021bional - mai mare \u00een direc\u021bia liber\u0103<\/td>\n<td>Direc\u021bional<\/td>\n<td>Instabil; poate deriva<\/td>\n<td>Amplitudinea se modific\u0103 \u00een func\u021bie de cuplul \u0219urubului<\/td>\n<\/tr>\n<tr>\n<td>Joc mecanic \u2014 rotativ (tip B)<\/td>\n<td class=\"mono\">1\u00d7, 2\u00d7, 3\u00d7...n\u00d7<\/td>\n<td>Serie armonic\u0103 bogat\u0103 + \u00bd\u00d7<\/td>\n<td>Radial<\/td>\n<td>Instabil; neregulat<\/td>\n<td>Subarmonicele (\u00bd\u00d7, \u2153\u00d7) sunt diferen\u021biatori cheie<\/td>\n<\/tr>\n<tr>\n<td>Joc mecanic \u2014 scaunul rulmentului (tip C)<\/td>\n<td class=\"mono\">Multe armonici + sub<\/td>\n<td>Cre\u0219terea nivelului de zgomot de fond cu multe v\u00e2rfuri<\/td>\n<td>Radial<\/td>\n<td>Foarte instabil<\/td>\n<td>Ridicarea nivelului de zgomot \u00een band\u0103 larg\u0103<\/td>\n<\/tr>\n<tr>\n<td>Picior moale<\/td>\n<td class=\"mono\">1\u00d7 + 2\u00d7<\/td>\n<td>1\u00d7 se modific\u0103 odat\u0103 cu cuplul \u0219uruburilor<\/td>\n<td>Dominant\u0103 pe vertical\u0103<\/td>\n<td>Se schimb\u0103 odat\u0103 cu str\u00e2ngerea \u0219urubului<\/td>\n<td>Modific\u0103ri de amplitudine 1\u00d7 atunci c\u00e2nd \u0219uruburile sunt sl\u0103bite individual<\/td>\n<\/tr>\n<tr>\n<td>Frecarea rotorului (u\u0219oar\u0103, par\u021bial\u0103)<\/td>\n<td class=\"mono\">\u00bd\u00d7, 1\u00d7, 2\u00d7...n\u00d7<\/td>\n<td>Multe armonici de ordin \u00eenalt<\/td>\n<td>Radial<\/td>\n<td>Neregulat; deriv\u0103 termic\u0103<\/td>\n<td>Subarmonici \u00bd\u00d7 \u0219i \u2153\u00d7; deriva termic\u0103 a vectorului<\/td>\n<\/tr>\n<tr>\n<td>Frecarea rotorului (inelar complet)<\/td>\n<td class=\"mono\">\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7 dominant<\/td>\n<td>Subarmonice &gt; 1\u00d7<\/td>\n<td>Radial<\/td>\n<td>Haotic<\/td>\n<td>Dominan\u021b\u0103 sub-sincron\u0103; precesie invers\u0103<\/td>\n<\/tr>\n<tr>\n<td>V\u00e2rtej de ulei<\/td>\n<td class=\"mono\">0.42\u20130.48\u00d7<\/td>\n<td>V\u00e2rf sub-sincron chiar sub \u00bd\u00d7<\/td>\n<td>Radial<\/td>\n<td>Precesie \u00eenainte<\/td>\n<td>Frecven\u021ba apare la ~0,43\u00d7 RPM; dependent\u0103 de vitez\u0103<\/td>\n<\/tr>\n<tr>\n<td>Biciuire de ulei<\/td>\n<td class=\"mono\">\u2248 Primul critic<\/td>\n<td>Blocat la prima critic\u0103 indiferent de vitez\u0103<\/td>\n<td>Radial<\/td>\n<td>Precesie \u00eenainte<\/td>\n<td>Frecven\u021ba se blocheaz\u0103; catastrofal dac\u0103 nu este remediat\u0103<\/td>\n<\/tr>\n<tr>\n<td>Angrenaj<\/td>\n<td class=\"mono\">GMF, 2\u00d7GMF, 3\u00d7GMF<\/td>\n<td>GMF = nr. din\u021bi \u00d7 RPM + benzi laterale<\/td>\n<td>Radial + Axial<\/td>\n<td>N\/A (for\u021bat)<\/td>\n<td>Benzile laterale la viteza arborelui identific\u0103 un angrenaj deteriorat<\/td>\n<\/tr>\n<tr>\n<td>Trecere palete\/palete directoare<\/td>\n<td class=\"mono\">BPF, 2\u00d7BPF<\/td>\n<td>BPF = numarul de palete x turatia<\/td>\n<td>Radial + Axial<\/td>\n<td>N\/A (for\u021bat)<\/td>\n<td>Normal; amplitudine mare = problem\u0103 de joc mecanic sau rezonan\u021b\u0103<\/td>\n<\/tr>\n<tr>\n<td>Excentricitatea statorului<\/td>\n<td class=\"mono\">2FL (100\/120 Hz)<\/td>\n<td>2x frecventa de linie dominanta<\/td>\n<td>Radial<\/td>\n<td>N\/A<\/td>\n<td>Dispare instantaneu la \u00eentreruperea curentului<\/td>\n<\/tr>\n<tr>\n<td>Defect al barei rotorului<\/td>\n<td class=\"mono\">1\u00d7 cu benzi laterale de trecere a polilor<\/td>\n<td>Benzile laterale la frecven\u021ba de alunecare \u00d7 poli<\/td>\n<td>Radial<\/td>\n<td>Modulat<\/td>\n<td>Zoom \u00een jurul lui 1\u00d7 dezv\u0103luie benzi laterale uniform distan\u021bate<\/td>\n<\/tr>\n<tr>\n<td>Indus de VFD<\/td>\n<td class=\"mono\">Armonici ale frecven\u021bei de comutare<\/td>\n<td>V\u00e2rfuri nesincrone la frecven\u021ba PWM<\/td>\n<td>Radial<\/td>\n<td>N\/A<\/td>\n<td>Frecven\u021b\u0103 independent\u0103 de tura\u021bia arborelui<\/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 Referin\u021b\u0103 subarmonic\u0103 \u0219i frac\u021bionar-armonic\u0103<\/div>\n<table>\n<thead>\n<tr>\n<th>Frecven\u021b\u0103<\/th>\n<th>Denumire<\/th>\n<th>Cauze frecvente<\/th>\n<th>Severitate<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"mono\">0.42\u20130.48\u00d7<\/td>\n<td>V\u00e2rtej de ulei<\/td>\n<td>Sarcin\u0103 insuficient\u0103 a rulmentului; joc excesiv; arbore u\u0219or<\/td>\n<td><span class=\"tag high\">Critic \u2014 poate duce la biciuirea uleiului<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u00bd\u00d7 (0,50\u00d7)<\/td>\n<td>Semiordine<\/td>\n<td>Frecare, joc mecanic (tip B\/C), arbore cr\u0103pat (rar), probleme cu cureaua<\/td>\n<td><span class=\"tag high\">Semnificativ \u2014 investiga\u021bi imediat<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u2153 \u00d7 (0,33 \u00d7)<\/td>\n<td>Subarmonic de ordinul trei<\/td>\n<td>Frecare inelar\u0103 complet\u0103; sl\u0103bire sever\u0103; instabilitate indus\u0103 de fluide<\/td>\n<td><span class=\"tag high\">Sever \u2014 stare periculoas\u0103<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">\u00bc \u00d7 (0,25 \u00d7)<\/td>\n<td>Sub-armonic\u0103 de ordin sfert<\/td>\n<td>Frecare complet\u0103 cu orbit\u0103 blocat\u0103; sl\u0103bire extrem\u0103<\/td>\n<td><span class=\"tag high\">Foarte sever \u2014 poate fi necesara oprirea<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">1,5\u00d7 (3\/2\u00d7)<\/td>\n<td>Ordinul 3\/2<\/td>\n<td>V\u00e2rtej de ulei combinat cu dezechilibru<\/td>\n<td><span class=\"tag medium\">Monitoriza\u021bi \u00eendeaproape<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">2,5\u00d7, 3,5\u00d7\u2026<\/td>\n<td>Familia de semiordine<\/td>\n<td>Joc mecanic cu component\u0103 puternic\u0103 de frecare<\/td>\n<td><span class=\"tag medium\">Mecanisme de defect combinate<\/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>Defini\u021bie: Ce este o armonic\u0103?<\/h2>\n<p>\u00cen analiza vibra\u021biilor, o <strong>armonic<\/strong> este o frecven\u021b\u0103 care este un multiplu \u00eentreg exact al unei frecven\u021be fundamentale. \u00cen ma\u0219inile rotative, frecven\u021ba fundamental\u0103 este de obicei viteza de rota\u021bie a arborelui, denumit\u0103 armonica 1 sau <strong>1\u00d7<\/strong>. Armonicele urm\u0103toare sunt multipli \u00eentregi: 2\u00d7 (de dou\u0103 ori viteza arborelui), 3\u00d7 (de trei ori) \u0219i a\u0219a mai departe. Aceste frecven\u021be sunt denumite \u0219i <em>ordine<\/em> ale vitezei de rotatie, sau <em>armonici sincrone<\/em> deoarece sunt sincronizate precis cu rota\u021bia arborelui.<\/p>\n<p>De exemplu, dac\u0103 un motor func\u021bioneaz\u0103 la 1 800 RPM (30 Hz), armonicele sale apar la 60 Hz (2\u00d7), 90 Hz (3\u00d7), 120 Hz (4\u00d7), 150 Hz (5\u00d7) \u0219i a\u0219a mai departe. Seria armonicelor este teoretic infinit\u0103, dar, \u00een practic\u0103, amplitudinea scade la ordine mai mari \u0219i numai primele c\u00e2teva armonice furnizeaz\u0103 informa\u021bii de diagnosticare.<\/p>\n<div class=\"formula-box\">\n<div class=\"formula-label\">Defini\u021bia frecven\u021bei armonice<\/div>\n<div class=\"formula-main\">f<sub>n<\/sub> = n \u00d7 f<sub>1<\/sub> = n \u00d7 (RPM \/ 60)<\/div>\n<div class=\"formula-note\">unde n = 1, 2, 3, 4... (ordinea armonicilor) \u0219i f\u2081 = frecven\u021ba de rota\u021bie a arborelui \u00een Hz<\/div>\n<\/p><\/div>\n<div class=\"info-box\">\n<div class=\"box-title\">Armonice vs. subarmonice vs. v\u00e2rfuri nesincrone<\/div>\n<p><strong>Armonice<\/strong> sunt multipli \u00eentregi ai tura\u021biei arborelui (2\u00d7, 3\u00d7, 4\u00d7...). <strong>Subarmonici<\/strong> sunt multipli frac\u021bionari (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7) \u0219i indic\u0103 \u00eentotdeauna probleme mecanice grave. <strong>V\u00e2rfuri nesincrone<\/strong> sunt frecvente care nu au legatura cu turatia arborelui \u2014 cum ar fi <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-fault-frequencies\/\">frecven\u021bele defectelor rulmen\u021bilor<\/a>, frecven\u021ba angrenajelor, frecven\u021ba liniei (50\/60 Hz) sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/natural-frequency\/\">frecven\u021be naturale<\/a> \u2014 \u0219i necesit\u0103 abord\u0103ri diferite de diagnosticare. Un v\u00e2rf la 3,57\u00d7 RPM NU este o armonic\u0103; este probabil o frecven\u021b\u0103 de defec\u021biune a rulmentului.<\/p>\n<\/p><\/div>\n<h2 id=\"why-generated\">De ce sunt generate armonicele?<\/h2>\n<p>\u00centr-un sistem perfect liniar excitat de o for\u021b\u0103 sinusoidal\u0103 pur\u0103 (cum ar fi un rotor perfect echilibrat, perfect aliniat \u00een rulmen\u021bi perfec\u021bi), ar ap\u0103rea doar 1\u00d7 fundamental. Ma\u0219inile reale nu sunt niciodat\u0103 perfect liniare. Armonicele apar ori de c\u00e2te ori forma de und\u0103 a vibra\u021biei este distorsionat\u0103 de la o und\u0103 sinusoidal\u0103 pur\u0103 - ori de c\u00e2te ori r\u0103spunsul sistemului este <em>neliniar<\/em> sau func\u021bia de for\u021bare \u00een sine este nesinusoidal\u0103.<\/p>\n<h3>Matematica: Teorema lui Fourier<\/h3>\n<p><strong>Teorema lui Fourier<\/strong> afirm\u0103 c\u0103 orice form\u0103 de und\u0103 periodic\u0103 - indiferent c\u00e2t de complex\u0103 - poate fi descompus\u0103 \u00eentr-o sum\u0103 de unde sinusoidale la frecven\u021ba fundamental\u0103 \u0219i multiplii s\u0103i \u00eentregi, fiecare cu o amplitudine \u0219i o faz\u0103 specifice. Algoritmul FFT (Fast Fourier Transform) utilizat de analizoarele de vibra\u021bii realizeaz\u0103 aceast\u0103 descompunere computa\u021bional\u0103, dezv\u0103luind con\u021binutul armonic al semnalului.<\/p>\n<p>O und\u0103 sinusoidal\u0103 pur\u0103 are o singur\u0103 component\u0103 de frecven\u021b\u0103. O und\u0103 p\u0103trat\u0103 con\u021bine toate armonicele impare (1\u00d7, 3\u00d7, 5\u00d7, 7\u00d7...) cu amplitudini care scad ca 1\/n. O und\u0103 \u00een din\u021bi de fer\u0103str\u0103u con\u021bine toate armonicele cu amplitudini care scad ca 1\/n. Forma specific\u0103 a distorsiunii determin\u0103 apari\u021bia armonicilor - acesta este motivul pentru care analiza armonic\u0103 este at\u00e2t de puternic\u0103 din punct de vedere diagnostic.<\/p>\n<h3>Mecanisme fizice care genereaz\u0103 armonici<\/h3>\n<ul>\n<li><strong>Decuparea \/ trunchierea formei de und\u0103:<\/strong> Atunci c\u00e2nd mi\u0219carea arborelui este constr\u00e2ns\u0103 fizic (carcasa rulmentului, contact prin frecare), forma de und\u0103 rezultat\u0103 este limitat\u0103, gener\u00e2nd armonici. O t\u0103iere mai sever\u0103 produce mai multe armonice.<\/li>\n<li><strong>Rigiditate asimetric\u0103:<\/strong> Dac\u0103 rigiditatea sistemului difer\u0103 \u00eentre jum\u0103t\u0103\u021bile pozitiv\u0103 \u0219i negativ\u0103 ale ciclului de vibra\u021bii (deschiderea\/\u00eenchiderea arborelui fisurat, dezalinierea care creeaz\u0103 o rigiditate diferit\u0103 la trac\u021biune\/compresiune), se genereaz\u0103 armonici pare (2\u00d7, 4\u00d7, 6\u00d7).<\/li>\n<li><strong>Evenimente cu impact:<\/strong> Impacturile periodice (\u0219uruburi sl\u0103bite, impacturi cu defecte ale rulmen\u021bilor) creeaz\u0103 forme de und\u0103 ascu\u021bite, de scurt\u0103 durat\u0103, care sunt extrem de bogate \u00een con\u021binut armonic - la fel cum un b\u0103\u021b de tob\u0103 produce multe armonice.<\/li>\n<li><strong>For\u021be de restabilire neliniare:<\/strong> Atunci c\u00e2nd rigiditatea se modific\u0103 \u00een func\u021bie de deplasare (rulmen\u021bi sub sarcin\u0103 variabil\u0103, suporturi de cauciuc cu rat\u0103 progresiv\u0103), r\u0103spunsul la o for\u021b\u0103 sinusoidal\u0103 con\u021bine armonici.<\/li>\n<li><strong>Excita\u021bie parametric\u0103:<\/strong> Atunci c\u00e2nd propriet\u0103\u021bile sistemului variaz\u0103 periodic la o frecven\u021b\u0103 legat\u0103 de viteza arborelui, acestea pot genera armonici \u0219i subarmonici ale frecven\u021bei de excita\u021bie.<\/li>\n<\/ul>\n<div class=\"info-box success\">\n<div class=\"box-title\">Principiul-cheie de diagnosticare<\/div>\n<p>Modelul armonicilor care sunt prezente, amplitudinile lor relative \u0219i care sunt absente indic\u0103 analistului mecanismul fizic care genereaz\u0103 neliniaritatea. Anali\u0219tii experimenta\u021bi examineaz\u0103 structura armonic\u0103 complet\u0103 a spectrului - nu doar nivelul general al vibra\u021biilor - pentru a identifica mecanismele specifice de defec\u021biune.<\/p>\n<\/p><\/div>\n<h2 id=\"fault-signatures\">Semn\u0103turi detaliate ale defectelor - Modele armonice<\/h2>\n<h3>1\u00d7 Dominant - Dezechilibru<\/h3>\n<p>Un v\u00e2rf dominant la 1\u00d7 cu armonici superioare minime este semn\u0103tura clasic\u0103 a <strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/unbalance\/\">dezechilibru de mas\u0103<\/a><\/strong>. For\u021ba de dezechilibru este inerent sinusoidal\u0103 (se rote\u0219te \u00eempreun\u0103 cu arborele la o frecven\u021b\u0103 de 1\u00d7), produc\u00e2nd un singur v\u00e2rf curat \u00een domeniul frecven\u021bei.<\/p>\n<h4>Detalii de diagnosticare<\/h4>\n<ul>\n<li><strong>Amplitudine:<\/strong> Propor\u021bional\u0103 cu viteza\u00b2 (vitez\u0103 dubl\u0103 \u2192 amplitudine de 4\u00d7) \u0219i propor\u021bional\u0103 cu masa dezechilibrului<\/li>\n<li><strong>Faza:<\/strong> Stabile, repetabile, cu o singur\u0103 valoare. Se modific\u0103 \u00een mod previzibil odat\u0103 cu ad\u0103ugarea greut\u0103\u021bii de \u00eencercare - aceasta este baza tuturor <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrare\/\">proceduri de echilibrare<\/a><\/li>\n<li><strong>Direc\u0163ie:<\/strong> \u00cen principal radiale; axiale 1\u00d7 este redus, cu excep\u021bia cazului \u00een care rotorul are o consol\u0103 semnificativ\u0103<\/li>\n<li><strong>Confirmare:<\/strong> R\u0103spunsul la greut\u0103\u021bile de \u00eencercare confirm\u0103 dezechilibrul. Dac\u0103 1\u00d7 nu r\u0103spunde la greut\u0103\u021bile de \u00eencercare, lua\u021bi \u00een considerare arborele \u00eendoit, excentricitatea sau rezonan\u021ba<\/li>\n<\/ul>\n<div class=\"info-box warning\">\n<div class=\"box-title\">Nu toate vibra\u021biile 1\u00d7 sunt dezechilibru<\/div>\n<p>Mai multe condi\u021bii produc 1\u00d7 ridicat care NU poate fi corectat prin echilibrare: arbore \u00eendoit, excentricitatea arborelui, b\u0103taia electric\u0103 pe sondele de proximitate, arcuirea rotorului din cauza efectelor termice, excentricitatea cuplajului \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/resonance\/\">rezonan\u021b\u0103<\/a> amplificare. Verifica\u021bi \u00eentotdeauna diagnosticul \u00eenainte de a \u00eencerca s\u0103 echilibra\u021bi.<\/p>\n<\/p><\/div>\n<h3>2\u00d7 Dominant \u2014 Nealiniere<\/h3>\n<p>O a doua armonic\u0103 puternic\u0103, adesea comparabil\u0103 ca amplitudine cu sau dep\u0103\u0219ind v\u00e2rful 1\u00d7, este principalul indicator al <strong><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/misalignment\/\">nealinierea arborelui<\/a><\/strong>. Nealinierea for\u021beaz\u0103 arborele s\u0103 parcurg\u0103 o traiectorie nesinusoidal\u0103 \u00een timpul fiec\u0103rei revolu\u021bii, cre\u00e2nd distorsiunea care genereaz\u0103 armonici de 2\u00d7 \u0219i uneori mai mari.<\/p>\n<h4>Nealiniere unghiular\u0103 vs. paralel\u0103<\/h4>\n<ul>\n<li><strong>Nealiniere unghiular\u0103:<\/strong> Liniile centrale ale arborelui se intersecteaz\u0103 sub un unghi la cuplaj. Produce vibra\u021bii axiale mari de 1\u00d7. Faza prin cuplaj prezint\u0103 o deplasare de ~180\u00b0 \u00een direc\u021bia axial\u0103.<\/li>\n<li><strong>Nealiniere paralel\u0103 (cu decalaj):<\/strong> Axele arborilor sunt paralele, dar decalate. Produce vibra\u021bii radiale ridicate de 2\u00d7, adesea cu 2\u00d7 \u2265 1\u00d7. Cazurile grave genereaz\u0103 3\u00d7 \u0219i 4\u00d7. Faza radial\u0103 prin cuplaj prezint\u0103 o deplasare de ~180\u00b0.<\/li>\n<li><strong>Combinate:<\/strong> \u00cen practic\u0103, ambele coexist\u0103 de obicei, produc\u00e2nd un amestec de semn\u0103turi.<\/li>\n<\/ul>\n<h4>Raportul 2\u00d7\/1\u00d7 ca indicator de diagnostic<\/h4>\n<table class=\"article-table\">\n<thead>\n<tr>\n<th>Raport 2\u00d7\/1\u00d7<\/th>\n<th>Stare probabil\u0103<\/th>\n<th>Ac\u0163iune<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"mono\">&lt; 0,25<\/td>\n<td>Normal; 2\u00d7 prezent la nivel sc\u0103zut \u00een majoritatea ma\u0219inilor<\/td>\n<td>Nu este necesar\u0103 nicio ac\u021biune<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">0,25 \u2013 0,50<\/td>\n<td>Este posibil\u0103 o u\u0219oar\u0103 nealiniere; normal\u0103 pentru unele tipuri de cuplaje<\/td>\n<td>Verificarea alinierii; compararea cu linia de baz\u0103<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">0,50 \u2013 1,00<\/td>\n<td>Nealiniere semnificativ\u0103 probabil\u0103<\/td>\n<td>Realizarea alinierii cu laser de precizie<\/td>\n<\/tr>\n<tr>\n<td class=\"mono\">&gt; 1,00<\/td>\n<td>Nealiniere sever\u0103; 2\u00d7 dep\u0103\u0219e\u0219te 1\u00d7<\/td>\n<td>Urgent - realinia\u021bi; verifica\u021bi tensiunea cuplajului \u0219i a conductei<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Armonici multiple - sl\u0103bire mecanic\u0103<\/h3>\n<p>O serie bogat\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/running-speed\/\">vitez\u0103 de func\u021bionare<\/a> harmonics (1\u00d7, 2\u00d7, 3\u00d7, 4\u00d7, 5\u00d7\u2026 to 10\u00d7 or more) indicate <strong>joc mecanic<\/strong>. Impacturile, z\u0103ng\u0103nitul \u0219i ciclurile neliniare de contact\/separare genereaz\u0103 o distorsiune extrem\u0103 a formei de und\u0103 care se descompune \u00een multe componente armonice.<\/p>\n<h4>Trei tipuri de joc mecanic<\/h4>\n<ul>\n<li><strong>Tip A - Structural:<\/strong> Leg\u0103tur\u0103 sl\u0103bit\u0103 \u00eentre ma\u0219in\u0103 \u0219i funda\u021bie (picior moale, baz\u0103 fisurat\u0103, \u0219uruburi de ancorare sl\u0103bite). Produce 1\u00d7 direc\u021bional (mai mare \u00een direc\u021bia sl\u0103bit\u0103). Test cheie: str\u00e2nge\u021bi\/ sl\u0103bi\u021bi \u0219uruburile individuale \u00een timp ce monitoriza\u021bi amplitudinea 1\u00d7.<\/li>\n<li><strong>Tip B - Component\u0103:<\/strong> C\u0103ma\u0219\u0103 de rulment sl\u0103bit\u0103 \u00een capac, capac sl\u0103bit pe carcas\u0103, joc excesiv al rulmentului. Produce o familie de armonici, adesea cu subarmonici (\u00bd\u00d7). Subarmonicile sunt principalul element de diferen\u021biere fa\u021b\u0103 de nealiniere (sl\u0103birea, nu nealinierea, produce subarmonici).<\/li>\n<li><strong>Tip C - Loca\u0219 de rulment:<\/strong> Rotor sl\u0103bit pe arbore, butuc de cuplaj sl\u0103bit, joc excesiv al rulmen\u021bilor care permite rotorului s\u0103 sar\u0103. Produce multe armonici cu o cre\u0219tere a nivelului de zgomot \u00een band\u0103 larg\u0103.<\/li>\n<\/ul>\n<div class=\"info-box\">\n<div class=\"box-title\">Subarmonicele: Amprenta sl\u0103birii structurale<\/div>\n<p>Prezen\u021ba subarmonicilor (\u00bd\u00d7, \u2153\u00d7) este cel mai fiabil factor de diferen\u021biere \u00eentre sl\u0103bire \u0219i dezaliniament. Nealinierea genereaz\u0103 2\u00d7 \u0219i 3\u00d7, dar rareori produce subarmonici. Relaxarea (tipurile B \u0219i C) genereaz\u0103 \u00een mod caracteristic \u00bd\u00d7 deoarece rotorul intr\u0103 \u00een contact cu o parte a rulmentului la o jum\u0103tate de rota\u021bie \u0219i sare pe cealalt\u0103 parte la urm\u0103toarea - cre\u00e2nd un model care se repet\u0103 la fiecare dou\u0103 rota\u021bii, deci \u00bd\u00d7.<\/p>\n<\/p><\/div>\n<h3>Alte condi\u021bii generatoare de armonici<\/h3>\n<h4>Arbore \u00eendoit<\/h4>\n<p>Genereaz\u0103 vibra\u021bii de tip 1\u00d7 \u0219i 2\u00d7 cu o component\u0103 axial\u0103 ridicat\u0103. Spre deosebire de dezaliniere, o <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bent-shaft\/\">arbore \u00eendoit<\/a> indic\u0103 o valoare de 1\u00d7 care nu poate fi corectat\u0103 prin echilibrare (excentricitate geometric\u0103, nu distribu\u021bia masei) \u0219i o diferen\u021b\u0103 de faz\u0103 axial\u0103 de aproximativ 180\u00b0 \u00eentre capetele arborelui. Valoarea de 2\u00d7 provine din rigiditatea asimetric\u0103 pe m\u0103sur\u0103 ce curbura se deschide \u0219i se \u00eenchide \u00een timpul rota\u021biei.<\/p>\n<h4>Ma\u0219ini reciproce<\/h4>\n<p>Motoarele, compresoarele \u0219i ma\u0219inile cu mi\u0219care alternativ\u0103 genereaz\u0103 \u00een mod inerent spectre armonice bogate, deoarece mi\u0219carea pistonului\/a arborelui cotit este fundamental nesinusoidal\u0103. Modelul armonic depinde de num\u0103rul de cilindri, ordinea de aprindere \u0219i tipul de curs\u0103 (2 timpi vs. 4 timpi).<\/p>\n<h4>Frecare rotor<\/h4>\n<p>O frecare par\u021bial\u0103 (contact pentru o parte din fiecare revolu\u021bie) produce multe armonici de ordin \u00eenalt - uneori p\u00e2n\u0103 la 10\u00d7, 20\u00d7 sau mai mult. O frecare inelar\u0103 complet\u0103 (contact continuu la 360\u00b0) genereaz\u0103 subarmonici dominante (\u00bd\u00d7, \u2153\u00d7, \u00bc\u00d7) prin mecanisme de precesie invers\u0103.<\/p>\n<h4>Probleme electrice la motoare<\/h4>\n<p>Motoarele de curent alternativ genereaz\u0103 vibra\u021bii la multipli ai frecven\u021bei de linie (50 sau 60 Hz), independent de tura\u021bia arborelui. Cea mai comun\u0103 este de 2\u00d7 frecven\u021ba de linie (100 Hz \u00een sistemele de 50 Hz, 120 Hz \u00een sistemele de 60 Hz). Aceasta NU este o armonic\u0103 a vitezei arborelui - este o armonic\u0103 a frecven\u021bei liniei, care este cheia pentru a distinge vibra\u021biile electrice de cele mecanice. Caracteristicile <strong>test de \u00eentrerupere a aliment\u0103rii<\/strong> este definitiv\u0103: vibra\u021bia electric\u0103 scade instantaneu la \u00eentreruperea aliment\u0103rii, vibra\u021bia mecanic\u0103 persist\u0103 \u00een timpul deceler\u0103rii libere.<\/p>\n<p>Defectele barei rotorului genereaz\u0103 benzi laterale \u00een jurul 1\u00d7, distan\u021bate la frecven\u021ba de trecere prin pol (<a href=\"https:\/\/vibromera.eu\/ro\/glossary\/slip-frequency\/\">frecven\u021ba de alunecare<\/a> \u00d7 num\u0103rul de poli). Aceste benzi laterale sunt foarte apropiate de 1\u00d7 (\u00een intervalul 1\u20135 Hz), ceea ce necesit\u0103 o rezolu\u021bie ridicat\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/zoom-fft\/\">zoom FFT<\/a> analiz\u0103 pentru a rezolva problema.<\/p>\n<h2 id=\"non-synchronous\">Frecven\u021be nesincrone \u2014 nu sunt armonice adev\u0103rate<\/h2>\n<p>C\u00e2teva frecven\u021be importante sunt uneori confundate cu armonicele, dar sunt de fapt independente de viteza arborelui:<\/p>\n<table class=\"article-table\">\n<thead>\n<tr>\n<th>Tip de frecven\u021b\u0103<\/th>\n<th>Formula<\/th>\n<th>Rela\u021bia cu RPM<\/th>\n<th>Note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Frecven\u021bele defectelor rulmen\u021bilor<\/td>\n<td class=\"mono\"><a href=\"https:\/\/vibromera.eu\/ro\/calculators\/bearing-defect-frequencies\/\">BPFO, BPFI, BSF, FTF<\/a><\/td>\n<td>Multipli ne\u00eentregi (de exemplu, 3,57\u00d7, 5,43\u00d7)<\/td>\n<td>\u00centotdeauna nesincrone; depind de geometria rulmentului<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/gear-mesh-frequency\/\">Frecven\u021ba de angrenare<\/a><\/td>\n<td class=\"mono\">GMF = nr. din\u021bi \u00d7 RPM<\/td>\n<td>\u00centreg, dar de ordin foarte \u00eenalt<\/td>\n<td>Tehnic, o armonic\u0103, dar analizat\u0103 separat<\/td>\n<\/tr>\n<tr>\n<td>Trecere palete\/palete directoare<\/td>\n<td class=\"mono\">BPF = numarul de palete x turatia<\/td>\n<td>Multiplu \u00eentreg<\/td>\n<td>Normal; amplitudinea excesiv\u0103 indic\u0103 o problem\u0103<\/td>\n<\/tr>\n<tr>\n<td>Frecven\u021ba liniei<\/td>\n<td class=\"mono\">FL = 50 sau 60 Hz<\/td>\n<td>Nu are leg\u0103tur\u0103 cu RPM<\/td>\n<td>Electric; dispare la \u00eentreruperea curentului<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/natural-frequency\/\">Frecven\u021be naturale<\/a><\/td>\n<td class=\"mono\">f<sub>n<\/sub> = \u221a(k\/m)\/2\u03c0<\/td>\n<td>Fix; nu are leg\u0103tur\u0103 cu RPM<\/td>\n<td>Frecven\u021b\u0103 constant\u0103 indiferent de schimb\u0103rile de vitez\u0103<\/td>\n<\/tr>\n<tr>\n<td>Frecven\u021bele curelei<\/td>\n<td class=\"mono\">f<sub>curea<\/sub> = RPM \u00d7 \u03c0 \u00d7 D\/L<\/td>\n<td>Sub-sincron (&lt; viteza arborelui)<\/td>\n<td>Frecven\u021ba curelei \u0219i armonicele acesteia 2\u00d7, 3\u00d7, 4\u00d7 BF<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"analysis-guide\">Ghid de analiz\u0103 \u2014 Cum se interpreteaz\u0103 modelele armonice<\/h2>\n<h3>Pasul 1: Identifica\u021bi fundamentala (1\u00d7)<\/h3>\n<p>Localiza\u021bi v\u00e2rful de 1\u00d7 care corespunde vitezei de rota\u021bie a arborelui. Verifica\u021bi folosind un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/tachometer\/\">tahometru<\/a> sau pe pl\u0103cu\u021ba de identificare a motorului. \u00cen cazul ma\u0219inilor cu vitez\u0103 variabil\u0103, valoarea 1\u00d7 trebuie identificat\u0103 cu precizie pentru fiecare m\u0103sur\u0103toare.<\/p>\n<h3>Pasul 2: Cataloga\u021bi toate v\u00e2rfurile<\/h3>\n<p>Pentru fiecare v\u00e2rf semnificativ, determina\u021bi: este un multiplu \u00eentreg exact de 1\u00d7 (armonic\u0103 adev\u0103rat\u0103)? Un multiplu frac\u021bionar (subarmonic\u0103)? Nu are leg\u0103tur\u0103 cu viteza arborelui (nesincron\u0103)? Utiliza\u021bi caracteristicile cursorului armonic al analizorului pentru eficien\u021b\u0103.<\/p>\n<h3>Pasul 3: Examina\u021bi modelul de amplitudine<\/h3>\n<ul>\n<li>Care armonic\u0103 este dominant\u0103? \u2192 Indic\u0103 o defec\u021biune specific\u0103<\/li>\n<li>C\u00e2te armonici sunt prezente? \u2192 Mai multe = distorsiune mai sever\u0103<\/li>\n<li>2\u00d7 dep\u0103\u0219e\u0219te 1\u00d7? \u2192 Nealiniere probabil\u0103<\/li>\n<li>Exist\u0103 subarmonici? \u2192 Joc, frecare sau <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/oil-whirl\/\">v\u00e2rtej de ulei<\/a><\/li>\n<li>Amplitudinea scade cu ordinul (descre\u0219tere 1\/n)? \u2192 Tipic pentru joc mecanic<\/li>\n<\/ul>\n<h3>Pasul 4: Verifica\u021bi direc\u021bionalitatea<\/h3>\n<ul>\n<li><strong>Radial ridicat, axial sc\u0103zut:<\/strong> Dezechilibru sau joc mecanic<\/li>\n<li><strong>Axial ridicat:<\/strong> Nealiniere (\u00een special unghiular\u0103) sau arbore \u00eendoit<\/li>\n<li><strong>Radial direc\u021bional:<\/strong> Sl\u0103bire structural\u0103 (mai mare \u00een direc\u021bia de joc)<\/li>\n<\/ul>\n<h3>Pasul 5: Tendin\u021ba \u00een timp<\/h3>\n<ul>\n<li>Amplitudinile armonicilor sunt \u00een cre\u0219tere? \u2192 Avaria progreseaz\u0103<\/li>\n<li>Apar noi armonici? \u2192 Se dezvolt\u0103 un nou mecanism de defect<\/li>\n<li>Cre\u0219te nivelul de zgomot? \u2192 Uzur\u0103 general\u0103 sau defec\u021biune \u00een stadiu avansat<\/li>\n<\/ul>\n<h3>Pasul 6: Corela\u021bi cu datele de faz\u0103<\/h3>\n<ul>\n<li><strong>Dezechilibru:<\/strong> Faza 1\u00d7 este stabil\u0103 \u0219i repetabil\u0103<\/li>\n<li><strong>Nealiniere:<\/strong> 1\u00d7 sau 2\u00d7 faza prezint\u0103 ~180\u00b0 de-a lungul cuplajului<\/li>\n<li><strong>Sl\u0103bire:<\/strong> Faza este instabil\u0103, se poate schimba aleatoriu \u00eentre m\u0103sur\u0103tori<\/li>\n<\/ul>\n<p>\u00cen practic\u0103, toate cele \u0219ase etape pot fi realizate la fa\u021ba locului cu ajutorul unui aparat portabil cu dou\u0103 canale, cum ar fi <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a>: monta\u021bi accelerometrele, \u00eenregistra\u021bi spectrul \u0219i faza 1\u00d7 \u00een timp ce ma\u0219ina func\u021bioneaz\u0103, apoi identifica\u021bi modelul armonic direct pe baza tabelului de diagnosticare de mai sus \u2014 \u0219i corecta\u021bi orice dezechilibru rezidual f\u0103r\u0103 a demonta rotorul.<\/p>\n<h2 id=\"case-studies\">Studii de caz \u2014 Analiza armonic\u0103 \u00een lumea real\u0103<\/h2>\n<div class=\"example-block\">\n<div class=\"example-title\">Cazul 1: Motor-pomp\u0103 \u2014 este vorba de dezechilibru sau de nealiniere?<\/div>\n<p><strong>Ma\u015fin\u0103:<\/strong> Motor de 30 kW care antreneaz\u0103 pompa centrifug\u0103 la 2960 RPM prin cuplaj flexibil. Vibra\u021bie global\u0103: 6,2 mm\/s la rulmentul de pe partea de antrenare a motorului.<\/p>\n<p><strong>Spectru:<\/strong> 1\u00d7 = 4,1 mm\/s, 2\u00d7 = 3,8 mm\/s, 3\u00d7 = 1,2 mm\/s. Raportul 2\u00d7\/1\u00d7 = 0,93.<\/p>\n<p><strong>Direc\u0163ie:<\/strong> Radial ridicat 2\u00d7 la ambii rulmen\u021bi ai cap\u0103tului de transmisie. Axial 1\u00d7 la cuplaj: motor = 2,8 mm\/s, pomp\u0103 = 3,1 mm\/s cu o diferen\u021b\u0103 de faz\u0103 de 165\u00b0.<\/p>\n<p><strong>Diagnostic:<\/strong> Nealiniere unghiular\u0103 \u0219i paralel\u0103 combinat\u0103. Raportul 2\u00d7\/1\u00d7 care se apropie de 1,0, citirile axiale ridicate \u0219i faza de ~180\u00b0 prin cuplare confirm\u0103 toate acestea. NU dezechilibru \u2014 chiar dac\u0103 1\u00d7 este ridicat, modelul 2\u00d7 este adev\u0103rata cauz\u0103.<\/p>\n<p><strong>Ac\u021biune:<\/strong> Aliniere laser efectuat\u0103. Post-aliniere: 1\u00d7 = 0,8 mm\/s, 2\u00d7 = 0,3 mm\/s. Totalul a sc\u0103zut la 1,1 mm\/s - o reducere de 82%.<\/p>\n<\/p><\/div>\n<div class=\"example-block\">\n<div class=\"example-title\">Cazul 2: Ventilator \u2014 De ce nu func\u021bioneaz\u0103 echilibrarea?<\/div>\n<p><strong>Ma\u015fin\u0103:<\/strong> Ventilator centrifugal la 1480 RPM. Vibra\u021bii: 8,5 mm\/s. \u00cencercarea anterioar\u0103 de echilibrare a redus 1\u00d7, dar vibra\u021bia general\u0103 a r\u0103mas ridicat\u0103.<\/p>\n<p><strong>Spectru:<\/strong> 1\u00d7 = 2,1 mm\/s (sc\u0103zut dup\u0103 echilibrare), \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>Diagnostic:<\/strong> Lejeritate mecanic\u0103 (tip B). Familia armonic\u0103 cu subarmonica \u00bd\u00d7 este semn\u0103tura. Echilibrarea a corectat 1\u00d7, dar nu a putut rezolva problema armonicilor generate de sl\u0103biciune care domin\u0103 vibra\u021bia general\u0103.<\/p>\n<p><strong>Ac\u021biune:<\/strong> Inspec\u021bia a eviden\u021biat o sl\u0103bire de 0,08 mm a carcasei rulmentului \u00een alezajul piedestalului. Carcasa a fost realezat\u0103 \u0219i s-a montat un rulment nou. Dup\u0103 repara\u021bie: toate armonicele au sc\u0103zut la nivelul de referin\u021b\u0103. \u00cen ansamblu: 1,4 mm\/s.<\/p>\n<\/p><\/div>\n<div class=\"example-block\">\n<div class=\"example-title\">Cazul 3: Motorul compresorului \u2014 electric sau mecanic?<\/div>\n<p><strong>Ma\u015fin\u0103:<\/strong> Motor de induc\u021bie cu 4 poli, 50 Hz, la 1485 RPM, care antreneaz\u0103 un compresor cu \u0219urub. Vibra\u021biile au crescut de la 2,0 la 5,5 mm\/s \u00een decurs de 3 luni.<\/p>\n<p><strong>Spectru:<\/strong> V\u00e2rf dominant la 100 Hz (= 2FL). De asemenea: 1\u00d7 la 24,75 Hz = 1,2 mm\/s, benzi laterale \u00een jurul lui 1\u00d7 la o distan\u021b\u0103 de \u00b11,0 Hz.<\/p>\n<p><strong>Test cheie:<\/strong> \u00centreruperea aliment\u0103rii - v\u00e2rful de 100 Hz a sc\u0103zut la zero \u00een decurs de o revolu\u021bie. Benzile laterale 1\u00d7 au persistat \u00een timpul deceler\u0103rii libere.<\/p>\n<p><strong>Diagnostic:<\/strong> Dou\u0103 probleme: (1) Electric\u0103 - excentricitatea statorului cauzeaz\u0103 2FL. (2) Mecanic\u0103 - benzi laterale 1\u00d7 la \u00b11,0 Hz (= frecven\u021ba de trecere a polilor pentru un motor cu 4 poli cu alunecare 1,0%) sugereaz\u0103 apari\u021bia unui defect al barei rotorului.<\/p>\n<p><strong>Ac\u021biune:<\/strong> Motor trimis pentru rebobinare. Confirmat: 2 bare de rotor rupte + excentricitate statoric\u0103 din cauza tas\u0103rii bazei. Dup\u0103 rebobinare \u0219i calare: vibra\u021bie 1,6 mm\/s.<\/p>\n<\/p><\/div>\n<div class=\"info-box success\">\n<div class=\"box-title\">Echipament Vibromera pentru analiza armonic\u0103<\/div>\n<p>The <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> \u0219i <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-4-2\/\">Balanset-4<\/a> furnizeaz\u0103 \u00een timp real <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fft\/\">Analiza spectrului FFT<\/a> cu urm\u0103rirea cursorului armonic, permi\u021b\u00e2nd identificarea pe teren a modelelor 1\u00d7, 2\u00d7, 3\u00d7 \u0219i diagnosticarea defec\u021biunilor. Dispozitivele combin\u0103 analiza vibra\u021biilor pentru diagnosticare \u0219i precizie <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/echilibrare\/\">echilibrare<\/a> pentru corec\u021bie - identificarea problemei \u0219i remedierea acesteia cu un singur instrument.<\/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\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul glosarului<\/a><\/p>\n<\/article>\n<p>      <!-- TOC SIDEBAR --><\/p>\n<aside class=\"toc-sidebar\">\n<div class=\"toc-box\">\n<h3>Pe aceast\u0103 pagin\u0103<\/h3>\n<p>          <a href=\"#calculator\">Calculator armonic<\/a><br \/>\n          <a href=\"#diagnostic-cards\">Cartona\u0219e cu modele de defecte<\/a><br \/>\n          <a href=\"#diagnostic-table\">Tabel de diagnosticare<\/a><br \/>\n          <a href=\"#definition\">Defini\u0163ie<\/a><br \/>\n          <a href=\"#why-generated\">De ce sunt generate<\/a><br \/>\n          <a class=\"sub\" href=\"#why-generated\">Teorema lui Fourier<\/a><br \/>\n          <a class=\"sub\" href=\"#why-generated\">Mecanisme fizice<\/a><br \/>\n          <a href=\"#fault-signatures\">Semn\u0103turi de defec\u021biune<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">1\u00d7 - Dezechilibru<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">2\u00d7 \u2014 Nealiniere<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">Multe \u00d7 \u2014 Joc\/Sl\u0103biciune<\/a><br \/>\n          <a class=\"sub\" href=\"#fault-signatures\">Arbore \u00eendoit, frecare, electric<\/a><br \/>\n          <a href=\"#non-synchronous\">V\u00e2rfuri nesincrone<\/a><br \/>\n          <a href=\"#analysis-guide\">Ghid de analiz\u0103 (6 pa\u0219i)<\/a><br \/>\n          <a href=\"#case-studies\">Studii de caz<\/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);\">Echipament Vibromera<\/h3>\n<p style=\"color: rgba(255,255,255,0.6); font-size: 13px; margin-bottom: 12px;\">Analiz\u0103 portabil\u0103 a spectrului FFT + echilibrare de precizie \u00eentr-un singur dispozitiv.<\/p>\n<p>          <a href=\"https:\/\/vibromera.eu\/ro\/produs\/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\/ro\/produs\/balanset-4-2\/\" 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>Analiz\u0103 \u0219i echilibrare profesional\u0103 a vibra\u021biilor<\/h2>\n<p>Diagnostica\u021bi modelele armonice \u0219i echilibra\u021bi rotoarele pe teren cu ajutorul dispozitivelor portabile Vibromera \u2014 spectru FFT, m\u0103surarea fazei \u0219i echilibrare conform\u0103 cu standardele ISO, toate \u00eentr-un singur instrument.<\/p>\n<p>    <a href=\"https:\/\/vibromera.eu\/ro\/shop\/\" class=\"cta-btn\">R\u0103sfoie\u0219te echipamente \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\/ro\/glossary\/\">\u2190 \u00cenapoi la Glosar<\/a> &nbsp;|&nbsp; <a href=\"https:\/\/vibromera.eu\/ro\/\">vibromera.eu<\/a><\/p>\n<\/p><\/div>\n<\/footer>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00cenv\u0103\u021ba\u021bi despre armonicele din analiza vibra\u021biilor. \u00cen\u021belege\u021bi cum sunt genera\u021bi ace\u0219ti multipli \u00eentregi ai unei frecven\u021be fundamentale \u0219i ce indic\u0103 despre starea ma\u0219inii, cum ar fi nealinierea \u0219i sl\u0103birea.<\/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\/ro\/wp-json\/wp\/v2\/glossary\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":5,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/136\/revisions"}],"predecessor-version":[{"id":101731,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/136\/revisions\/101731"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}