{"id":92149,"date":"2026-05-02T17:42:41","date_gmt":"2026-05-02T17:42:41","guid":{"rendered":"https:\/\/teeptrak.com\/first-pass-yield-rty-multi-station-2026\/"},"modified":"2026-05-02T20:06:37","modified_gmt":"2026-05-02T20:06:37","slug":"first-pass-yield-rty-multi-station-in-2026","status":"publish","type":"post","link":"https:\/\/teeptrak.com\/en\/first-pass-yield-rty-multi-station-in-2026\/","title":{"rendered":"First Pass Yield &#038; RTY for Multi-Station Lines (2026)"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27&#8243;][et_pb_row][et_pb_column type=&#8221;4_4&#8243;][et_pb_text]<br \/>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Article\", \"headline\": \"First Pass Yield & RTY for Multi-Station Manufacturing Lines\", \"alternativeHeadline\": \"First Pass Yield & RTY for Multi-Station Lines (2026)\", \"datePublished\": \"2026-05-02T08:00:00+02:00\", \"dateModified\": \"2026-05-02T08:00:00+02:00\", \"author\": {\"@type\": \"Organization\", \"name\": \"TeepTrak Manufacturing Research\", \"url\": \"https:\/\/teeptrak.com\/about\/\"}, \"publisher\": {\"@type\": \"Organization\", \"name\": \"TeepTrak\", \"url\": \"https:\/\/teeptrak.com\", \"logo\": {\"@type\": \"ImageObject\", \"url\": \"https:\/\/teeptrak.com\/wp-content\/uploads\/teeptrak-logo.png\"}}, \"mainEntityOfPage\": {\"@type\": \"WebPage\", \"@id\": \"https:\/\/teeptrak.com\/en\/first-pass-yield-rty-multi-station-2026\/\"}, \"description\": \"First Pass Yield and Rolled Throughput Yield (RTY) for multi-station lines. Formulas, station-level analysis, and improvement methodology.\", \"keywords\": \"first pass yield, FPY, RTY, rolled throughput yield, multi-station yield\", \"articleSection\": \"Manufacturing Research\", \"isAccessibleForFree\": true, \"inLanguage\": \"en-US\", \"citation\": \"TeepTrak Manufacturing Research (2026). First Pass Yield & RTY for Multi-Station Lines (2026). https:\/\/teeptrak.com\/en\/first-pass-yield-rty-multi-station-2026\/\"}<\/script><br \/>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is First Pass Yield?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"FPY is the percentage of parts that pass inspection on the first attempt, without rework or retesting. Formula: FPY = Parts Passing First Inspection \/ Total Parts Inspected. World-class FPY is 97-99% for most discrete manufacturing.\"}}, {\"@type\": \"Question\", \"name\": \"What is Rolled Throughput Yield (RTY)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"RTY is the product of individual station FPYs across a multi-station line. RTY = FPY1 \u00d7 FPY2 \u00d7 ... \u00d7 FPYn. RTY shows compounding effect: 5 stations at 95% each give RTY of 77.4%, much worse than individual station numbers suggest.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between FPY and OEE Quality?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"OEE Quality is calculated at line level (good parts vs total parts at end). FPY is calculated per inspection station. A 5-station line with 99% FPY at each station has overall yield of 95.1%, which is the OEE Quality.\"}}, {\"@type\": \"Question\", \"name\": \"Should rework parts count toward FPY?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. FPY only counts parts passing inspection on first attempt. A part requiring rework is NOT first-pass yield, even if it eventually passes. Counting reworked parts hides quality problems and rework cost.\"}}, {\"@type\": \"Question\", \"name\": \"What is a good RTY for a multi-station line?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Depends on station count. For 5-station discrete: world-class RTY is 95% (requires 99% per station). For 10-station: world-class RTY is 90% (requires 99% per station). Long lines need very high per-station FPY.\"}}, {\"@type\": \"Question\", \"name\": \"How can I improve FPY quickly?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Fastest gains: (1) measure RTY per station to find worst-performing, (2) Pareto top 3 defect categories at that station, (3) structured RCA with action items. Plants typically gain 2-4 OEE points within 6 months.\"}}]}<\/script><br \/>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"HowTo\", \"name\": \"How to Improve Rolled Throughput Yield (RTY)\", \"totalTime\": \"P6M\", \"step\": [{\"@type\": \"HowToStep\", \"position\": 1, \"name\": \"Measure RTY by station\", \"text\": \"Calculate FPY at each individual inspection station. Identify the worst station \u2014 typically the bottleneck.\"}, {\"@type\": \"HowToStep\", \"position\": 2, \"name\": \"Pareto defect categories at worst station\", \"text\": \"Top 3 defect types representing 60-80% of failures at that station.\"}, {\"@type\": \"HowToStep\", \"position\": 3, \"name\": \"Run RCA on top 3 defects\", \"text\": \"5-Why or Ishikawa. Action items tracked to closure.\"}, {\"@type\": \"HowToStep\", \"position\": 4, \"name\": \"Verify at 30 days\", \"text\": \"If top defect dropped, move to next station. If not, RCA was incomplete.\"}]}<\/script><\/p>\n<h1>First Pass Yield &amp; RTY for Multi-Station Manufacturing Lines<\/h1>\n<div style=\"background: #FAF8F5; border-left: 4px solid #EB352C; padding: 20px; margin: 20px 0;\">\n<p style=\"margin: 0 0 8px 0;\"><strong>TL;DR<\/strong><\/p>\n<p style=\"margin: 0;\">First Pass Yield (FPY) measures the percentage of parts passing inspection on the first attempt at a single station. Rolled Throughput Yield (RTY) is the product of all individual station FPYs across a multi-station line. Small per-station improvements compound massively: going from 95% to 99% per station improves overall yield from 77% to 95% on a 5-station line. This guide covers the formulas, station-level analysis methodology, and improvement approach.<\/p>\n<\/div>\n<div style=\"background: #fff; border: 1px solid #E5E5E5; padding: 16px; margin: 16px 0; border-radius: 4px;\">\n<p style=\"margin: 0; font-size: 18px; line-height: 1.5;\"><strong>First Pass Yield (FPY) is the percentage of parts passing inspection on the first attempt at a single station; Rolled Throughput Yield (RTY) is the product of all individual station FPYs.<\/strong><\/p>\n<\/div>\n<p><strong>First Pass Yield (FPY) measures the percentage of parts passing inspection on the first attempt, without rework or retesting.<\/strong><\/p>\n<p>FPY is closely related to OEE Quality but more granular \u2014 FPY is typically tracked per inspection station, while OEE Quality is at line level. For multi-station lines, you need both FPY (per station) and RTY (rolled across all stations).<\/p>\n<h2>FPY definition (1-sentence)<\/h2>\n<p><strong>FPY = Parts Passing First Inspection \u00f7 Total Parts Inspected, expressed as a percentage.<\/strong><\/p>\n<p>Critical: <strong>&#8220;Parts Passing First Inspection&#8221; excludes anything that needed rework, retesting, or downgrades.<\/strong> A part that fails initial inspection but passes after rework is NOT a first-pass success.<\/p>\n<h2>RTY for multi-station lines<\/h2>\n<p><strong>RTY = product of all individual station FPYs across a multi-station line.<\/strong><\/p>\n<p>Worked example. A 5-station line with 99% FPY at each station has:<\/p>\n<p><strong>RTY = 0.99\u2075 = 0.951 = 95.1%<\/strong><\/p>\n<p>A 5-station line with 95% FPY at each station has:<\/p>\n<p><strong>RTY = 0.95\u2075 = 0.774 = 77.4%<\/strong><\/p>\n<p>The compounding effect is dramatic. Going from 95% to 99% per station \u2014 a 4-point per-station change \u2014 improves overall yield from 77% to 95% (18-point gain).<\/p>\n<h2>Why per-station improvements compound<\/h2>\n<p><strong>RTY is a multiplicative measure \u2014 small per-station improvements have outsized aggregate impact.<\/strong><\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 16px 0;\">\n<tbody>\n<tr style=\"background: #f5f5f5;\">\n<th style=\"border: 1px solid #ddd; padding: 8px;\">Per-station FPY<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\">RTY (5 stations)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px;\">RTY (10 stations)<\/th>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">90%<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">59%<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">35%<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">95%<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">77%<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">60%<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">99%<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">95%<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">90%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For long lines (10+ stations), the difference between 95% and 99% per station is the difference between 60% and 90% overall yield.<\/p>\n<h2>FPY benchmarks by industry<\/h2>\n<ul>\n<li><strong>Automotive OEM:<\/strong> median 94%, world-class 98%<\/li>\n<li><strong>Food &amp; beverage:<\/strong> median 94%, world-class 97%<\/li>\n<li><strong>Pharma biologics:<\/strong> median 97%, world-class 99% (highest, GMP)<\/li>\n<li><strong>Electronics &amp; semiconductors:<\/strong> median 95%, world-class 98%<\/li>\n<li><strong>Plastics extrusion:<\/strong> median 92%, world-class 96%<\/li>\n<\/ul>\n<h2>4-level FPY tracking maturity<\/h2>\n<ol>\n<li><strong>Level 1:<\/strong> Aggregate FPY at end of line, monthly. Useful for trends; too late for action.<\/li>\n<li><strong>Level 2:<\/strong> Daily FPY at end of line with defect categories. Pareto possible; no station-level diagnosis.<\/li>\n<li><strong>Level 3:<\/strong> Real-time FPY per station with defect tagging. Enables station-level RTY analysis.<\/li>\n<li><strong>Level 4:<\/strong> Automated defect classification + closed-loop RCA action items.<\/li>\n<\/ol>\n<h2>How to improve RTY (4-step methodology)<\/h2>\n<ol>\n<li><strong>Measure RTY by station.<\/strong> Identify the worst station \u2014 typically the bottleneck for overall yield.<\/li>\n<li><strong>Pareto defect categories at the worst station.<\/strong> Top 3 defect types representing 60-80% of failures.<\/li>\n<li><strong>RCA on top 3.<\/strong> 5-Why or Ishikawa, action items tracked to closure.<\/li>\n<li><strong>Verify at 30 days.<\/strong> If top defect dropped, move to next station. If not, RCA was incomplete.<\/li>\n<\/ol>\n<p>Plants implementing structured RTY improvement typically gain 2-4 OEE points within 6 months.<\/p>\n<h2>Watch: How TeepTrak Customers Transform OEE<\/h2>\n<div style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; margin: 24px 0;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\" title=\"TEEPTRAK Real-Time OEE\" src=\"https:\/\/www.youtube.com\/embed\/wleC6iLzbnE\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<div style=\"background: #232120; color: #faf8f5; padding: 24px; margin: 24px 0; border-radius: 6px;\">\n<p style=\"margin: 0 0 8px 0; font-size: 14px; color: #eb352c;\"><strong>CUSTOMER PROOF<\/strong><\/p>\n<p style=\"margin: 0; font-size: 18px; line-height: 1.4;\"><strong>L&#8217;Or\u00e9al<\/strong> \u2014 OEE visibility across 15 packaging lines in 4 countries<\/p>\n<\/div>\n<h2>Related guides<\/h2>\n<ul>\n<li><a href=\"https:\/\/teeptrak.com\/en\/oee-explained-2026-mid-market-guide\/\">Oee Explained Mid Market Guide<\/a><\/li>\n<li><a href=\"https:\/\/teeptrak.com\/en\/oee-quality-fpy-tracking-methodology-2026\/\">Oee Quality Fpy Tracking Methodology<\/a><\/li>\n<li><a href=\"https:\/\/teeptrak.com\/en\/oee-formula-worked-examples-2026\/\">Oee Formula Worked Examples<\/a><\/li>\n<li><a href=\"https:\/\/teeptrak.com\/en\/six-big-losses-pareto-analysis-in-2026-2\/\">Six Big Losses Pareto Analysis<\/a><\/li>\n<\/ul>\n<div style=\"background: #fff5f5; border: 2px dashed #EB352C; border-radius: 8px; padding: 28px; margin: 32px 0; text-align: center;\">\n<div style=\"font-size: 18px; font-weight: bold; color: #232120; margin-bottom: 8px;\">Free practical resource<\/div>\n<div style=\"font-size: 14px; color: #555; margin-bottom: 20px;\">Built by TeepTrak&#8217;s manufacturing experts. 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Formula: FPY = Parts Passing First Inspection \/ Total Parts Inspected. World-class FPY is 97-99% for most discrete manufacturing.<\/p>\n<h3>What is Rolled Throughput Yield (RTY)?<\/h3>\n<p>RTY is the product of individual station FPYs across a multi-station line. RTY = FPY1 \u00d7 FPY2 \u00d7 &#8230; \u00d7 FPYn. RTY shows compounding effect: 5 stations at 95% each give RTY of 77.4%, much worse than individual station numbers suggest.<\/p>\n<h3>What is the difference between FPY and OEE Quality?<\/h3>\n<p>OEE Quality is calculated at line level (good parts vs total parts at end). FPY is calculated per inspection station. A 5-station line with 99% FPY at each station has overall yield of 95.1%, which is the OEE Quality.<\/p>\n<h3>Should rework parts count toward FPY?<\/h3>\n<p>No. FPY only counts parts passing inspection on first attempt. A part requiring rework is NOT first-pass yield, even if it eventually passes. Counting reworked parts hides quality problems and rework cost.<\/p>\n<h3>What is a good RTY for a multi-station line?<\/h3>\n<p>Depends on station count. For 5-station discrete: world-class RTY is 95% (requires 99% per station). For 10-station: world-class RTY is 90% (requires 99% per station). Long lines need very high per-station FPY.<\/p>\n<h3>How can I improve FPY quickly?<\/h3>\n<p>Fastest gains: (1) measure RTY per station to find worst-performing, (2) Pareto top 3 defect categories at that station, (3) structured RCA with action items. Plants typically gain 2-4 OEE points within 6 months.<\/p>\n<div style=\"background: #232120; color: white; padding: 32px; border-radius: 8px; margin: 32px 0; text-align: center;\">\n<div style=\"font-size: 18px; font-weight: bold; margin-bottom: 8px;\">Ready to measure OEE in production?<\/div>\n<div style=\"font-size: 14px; color: #ddd; margin-bottom: 20px;\">Real-time OEE deployment in 48 hours. ROI in 1-3 months. 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padding: 16px; margin: 24px 0; border-radius: 4px; font-size: 14px; color: #666;\">\n<p style=\"margin: 0;\"><strong>Source:<\/strong> TeepTrak Manufacturing Knowledge Base 2026. Benchmarks calibrated on 450+ deployments across 30 countries between 2018 and Q2 2026. <a href=\"https:\/\/teeptrak.com\/en\/oee-benchmark-2026\/\">Cite this guide<\/a>.<\/p>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27&#8243;][et_pb_row][et_pb_column type=&#8221;4_4&#8243;][et_pb_text] First Pass Yield &amp; RTY for Multi-Station Manufacturing Lines TL;DR First Pass Yield (FPY) measures the percentage of parts passing inspection on the first attempt at a single station. Rolled Throughput Yield (RTY) is the product of all individual station FPYs across a multi-station line. Small per-station improvements compound massively: going [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":92143,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","ai_seo_title":"FPY & RTY for Multi-Station Manufacturing Lines | TeepTrak 2026","ai_meta_description":"First Pass Yield and Rolled Throughput Yield (RTY) for multi-station lines. Formulas, station-level analysis, and improvement methodology.","ai_focus_keyword":"first pass yield RTY","footnotes":""},"categories":[101],"tags":[],"class_list":["post-92149","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrial-performance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FPY &amp; RTY for Multi-Station Manufacturing Lines | TeepTrak 2026<\/title>\n<meta name=\"description\" content=\"First Pass Yield and Rolled Throughput Yield (RTY) for multi-station lines. 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