What Is a Lug Capping Machine?<\/title>\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap\" rel=\"stylesheet\">\n<style>\n :root{\n --bg:#FFFFFF;\n --ink:#1A1A1A;\n --ink-soft:#454545;\n --ink-faint:#8B8B8B;\n --rule:#E3E4E6;\n --amber:#EE7D22;\n --amber-dark:#B75B14;\n --blue:#2E6DA4;\n --blue-dark:#1F4D75;\n --blue-pale:#EAF1F9;\n --panel:#F6F7F8;\n font-family:'Inter',system-ui,-apple-system,sans-serif;\n }\n *{box-sizing:border-box;}\n html{scroll-behavior:smooth;}\n body{margin:0; background:var(--bg); color:var(--ink); line-height:1.65;}\n img{max-width:100%; display:block;}<\/p>\n<p> \/* Content-column only \u2014 no page header\/nav\/sidebar included. *\/\n .article{max-width:780px; margin:0 auto; padding:8px 4px 40px;}<\/p>\n<p> .kicker{\n display:flex; 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color:var(--ink-soft); font-size:15.5px;}\n .article a{color:var(--blue); text-decoration-color:var(--rule); text-underline-offset:3px;}\n .article a:hover{color:var(--blue-dark); text-decoration-color:currentColor;}<\/p>\n<p> .toc-box{\n background:var(--panel);\n border:1px solid var(--rule);\n border-radius:6px;\n margin:6px 0 36px;\n }\n .toc-box summary{\n cursor:pointer; list-style:none;\n display:flex; align-items:center; justify-content:space-between;\n padding:16px 20px;\n font-family:'Space Grotesk',sans-serif;\n font-weight:600; font-size:16px; color:var(--ink);\n }\n .toc-box summary::-webkit-details-marker{display:none;}\n .toc-box summary .chev{transition:transform .2s ease; flex:none;}\n .toc-box[open] summary .chev{transform:rotate(180deg);}\n .toc-box ol{margin:0; padding:0 20px 18px 40px; font-size:14.5px;}\n .toc-box li{margin-bottom:7px;}\n .toc-box a{color:var(--blue); text-decoration:none;}\n .toc-box a:hover{text-decoration:underline;}<\/p>\n<p> .callout{\n background:var(--blue-pale);\n border-left:3px solid var(--blue);\n padding:15px 18px;\n border-radius:2px;\n margin:20px 0;\n }\n .callout p{margin:0; color:var(--ink); font-size:15px;}<\/p>\n<p> .lug-illustration{\n display:flex; align-items:center; gap:20px;\n background:var(--panel); border:1px solid var(--rule); border-radius:6px;\n padding:20px 22px; margin:18px 0 22px;\n }\n .lug-illustration .icon-box{\n flex:none; width:84px; height:84px; border-radius:5px;\n background:#fff; border:1px solid var(--rule);\n display:flex; align-items:center; justify-content:center;\n }\n .lug-illustration figcaption{font-size:13px; color:var(--ink-faint); margin-top:4px;}\n .lug-illustration .cap-desc{font-size:14px; color:var(--ink-soft);}\n .lug-illustration strong{color:var(--ink); font-family:'Space Grotesk',sans-serif; font-size:14px; display:block; margin-bottom:4px;}<\/p>\n<p> .tech-grid{display:flex; flex-direction:column; gap:18px; margin:20px 0 6px;}\n .tech-card{\n display:grid; grid-template-columns:60px 1fr; gap:16px;\n padding:16px 18px; background:var(--panel); border:1px solid var(--rule); border-radius:5px;\n }\n .tech-icon{\n width:60px; height:60px; display:flex; align-items:center; justify-content:center;\n background:#fff; border:1px solid var(--rule); border-radius:4px;\n }\n .tech-card h3{margin:0 0 5px; font-size:15.5px; border:none; padding-left:0;}\n .tech-card p{margin:0 0 6px; font-size:14px;}\n .tech-card a{font-size:13px; font-weight:600;}<\/p>\n<p> .stat-row{display:flex; gap:14px; flex-wrap:wrap; margin:18px 0 20px;}\n .stat-card{\n flex:1 1 190px;\n background:var(--panel); border:1px solid var(--rule); border-radius:6px;\n padding:18px 18px;\n }\n .stat-card .num{\n font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:26px; color:var(--blue-dark);\n display:block; margin-bottom:4px;\n }\n .stat-card .label{font-size:13px; color:var(--ink-faint);}<\/p>\n<p> .conclusion{background:var(--ink); color:#EDEDEB; border-radius:6px; padding:24px 24px;}\n .conclusion h4{color:#F4F4F2; font-size:13px; text-transform:uppercase; letter-spacing:.04em; color:var(--amber); margin-bottom:10px;}\n .conclusion p{color:#D6D6D3; margin-bottom:0;}<\/p>\n<p> .contact-cta{\n margin-top:18px; padding:22px 24px; border:1px solid var(--rule); border-radius:6px;\n background:linear-gradient(135deg, var(--panel) 0%, #fff 100%);\n }\n .contact-cta h3{margin-top:0; border:none; padding-left:0;}\n .contact-cta p{font-size:14px;}\n .btn{\n display:inline-flex; align-items:center; gap:8px; background:var(--amber); color:#1A1000;\n text-decoration:none; padding:10px 18px; border-radius:4px; font-weight:600; font-size:14px;\n }\n .btn:hover{background:#F4924A;}\n<\/style>\n<p><\/head><br \/>\n<body><\/p>\n<div class=\"article\">\n<div class=\"kicker\">\n <svg width=\"15\" height=\"15\" viewBox=\"0 0 18 18\" fill=\"none\"><path d=\"M9 1L16 4.5V9C16 13 13 16 9 17C5 16 2 13 2 9V4.5L9 1Z\" stroke=\"currentColor\" stroke-width=\"1.4\"\/><path d=\"M6 9L8.2 11.2L12.5 6.5\" stroke=\"currentColor\" stroke-width=\"1.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><br \/>\n Capping FAQ \u00b7 Food & beverage packaging\n <\/div>\n<h1>What is a lug capping machine?<\/h1>\n<p class=\"lede\">A common question from food and sauce brands. Npack designs and manufactures several types of lug capping machines for the food industry \u2014 but to make sense of the equipment, it helps to start with the cap itself.<\/p>\n<details class=\"toc-box\" open>\n<summary>Table of contents<br \/>\n <svg class=\"chev\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\"><path d=\"M4 6L8 10L12 6\" stroke=\"#8B8B8B\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><br \/>\n <\/summary>\n<ol>\n<li><a href=\"#lug-cap\">What is a lug cap?<\/a><\/li>\n<li><a href=\"#lug-machine\">What is a lug capping machine?<\/a><\/li>\n<li><a href=\"#types\">Main types of lug capping machines<\/a><\/li>\n<li><a href=\"#heads\">Determining the right number of capping heads<\/a><\/li>\n<li><a href=\"#conclusion\">Conclusion<\/a><\/li>\n<\/ol>\n<\/details>\n<section id=\"lug-cap\">\n<h3>What is a lug cap?<\/h3>\n<p>If you’ve ever twisted open a jar of tomato sauce, pickles, or another sauce jar product, you’ve probably encountered a lug cap \u2014 though you might not have known its name. Unlike common continuous-thread caps (think the classic screw-top jars from brands like Ball or Mason), lug caps use a specialized design.<\/p>\n<p>Instead of a single continuous spiral thread, lug caps feature several angled metal tabs \u2014 or “lugs” \u2014 inside the cap’s skirt. When you place the cap on the jar and twist, these lugs catch and lock onto matching threads on the jar itself. That means you only need to turn the cap about half a rotation, or even less, to get a secure seal or to open it back up.<\/p>\n<figure class=\"lug-illustration\">\n<div class=\"icon-box\">\n <svg width=\"42\" height=\"42\" viewBox=\"0 0 42 42\" fill=\"none\">\n <rect x=\"10\" y=\"6\" width=\"22\" height=\"7\" rx=\"1.5\" stroke=\"#2E6DA4\" stroke-width=\"1.8\"\/>\n <path d=\"M13 13H29L27 33H15L13 13Z\" stroke=\"#2E6DA4\" stroke-width=\"1.8\" stroke-linejoin=\"round\"\/>\n <path d=\"M11 9.5L13 6M31 9.5L29 6M15.5 9.5L17 6.5M26.5 9.5L25 6.5\" stroke=\"#EE7D22\" stroke-width=\"1.6\" stroke-linecap=\"round\"\/>\n <\/svg>\n <\/div>\n<div>\n <strong>Lug cap<\/strong><br \/>\n <span class=\"cap-desc\">Angled internal lugs catch matching threads on the jar \u2014 a partial twist locks or releases the seal, instead of a full spiral rotation.<\/span>\n <\/div>\n<\/figure>\n<p>This design not only makes lug caps quick and easy to use, but also helps achieve a tight seal with minimal effort \u2014 perfect for both food preservation and high-speed production lines. So next time you open a jar with a quick twist, you can thank the clever engineering behind the humble lug cap. For more detail, see this reference on <a href=\"https:\/\/evergreenresources.com\/lug-caps-for-food-products\/\" target=\"_blank\" rel=\"noopener nofollow\">lug caps<\/a>.<\/p>\n<\/section>\n<section id=\"lug-machine\">\n<h2>What is a lug capping machine?<\/h2>\n<p>A lug capping machine is a semi-automatic or automatic capping machine that places and twists on the lug cap onto a glass jar or bottle. It’s one type of capping machine, popular in food packaging. Machines can be semi-automatic or automatic, single-head or multi-head \u2014 the right model depends on your packaging output requirements.<\/p>\n<\/section>\n<section id=\"types\">\n<h3>Main types of lug capping machines<\/h3>\n<p>When choosing the right machine for sealing lug caps, it helps to understand the primary types found in the industry. Each suits different production needs and bottle types.<\/p>\n<div class=\"tech-grid\">\n<div class=\"tech-card\">\n<div class=\"tech-icon\">\n <svg width=\"30\" height=\"30\" viewBox=\"0 0 34 34\" fill=\"none\"><rect x=\"9\" y=\"8\" width=\"16\" height=\"20\" rx=\"2\" stroke=\"#2E6DA4\" stroke-width=\"1.6\"\/><path d=\"M12 12H22M12 16H22M12 20H18\" stroke=\"#2E6DA4\" stroke-width=\"1.4\" stroke-linecap=\"round\"\/><path d=\"M17 24.5C18.5 24.5 19.5 23.5 19.5 22\" stroke=\"#EE7D22\" stroke-width=\"1.6\" stroke-linecap=\"round\"\/><\/svg>\n <\/div>\n<div>\n<h3>Vacuum capping machines<\/h3>\n<p>Ideal for products that need an airtight seal \u2014 sauces, pickles, or jams. These machines remove air from the bottle before applying the cap, significantly extending shelf life.<\/p>\n<p> <a href=\"https:\/\/www.npackpm.com\/vacuum-capping-machine\" target=\"_blank\" rel=\"noopener\">View vacuum capping machine \u2192<\/a>\n <\/div>\n<\/p><\/div>\n<div class=\"tech-card\">\n<div class=\"tech-icon\">\n <svg width=\"30\" height=\"30\" viewBox=\"0 0 34 34\" fill=\"none\"><circle cx=\"12\" cy=\"17\" r=\"4.5\" stroke=\"#2E6DA4\" stroke-width=\"1.6\"\/><circle cx=\"22\" cy=\"17\" r=\"4.5\" stroke=\"#2E6DA4\" stroke-width=\"1.6\"\/><path d=\"M17 8V26\" stroke=\"#EE7D22\" stroke-width=\"1.6\" stroke-dasharray=\"2 2\"\/><\/svg>\n <\/div>\n<div>\n<h3>Spindle capping machines<\/h3>\n<p>Use sets of spinning wheels (spindles) to tighten caps as bottles move along a conveyor. Popular for their speed and adaptability across bottle sizes.<\/p>\n<p> <a href=\"https:\/\/www.npackpm.com\/spindle-capping-machine\" target=\"_blank\" rel=\"noopener\">View spindle capping machine \u2192<\/a>\n <\/div>\n<\/p><\/div>\n<div class=\"tech-card\">\n<div class=\"tech-icon\">\n <svg width=\"30\" height=\"30\" viewBox=\"0 0 34 34\" fill=\"none\"><path d=\"M17 6V13\" stroke=\"#2E6DA4\" stroke-width=\"1.6\" stroke-linecap=\"round\"\/><path d=\"M11 13H23L21 17H13L11 13Z\" stroke=\"#2E6DA4\" stroke-width=\"1.6\" stroke-linejoin=\"round\"\/><rect x=\"13\" y=\"17\" width=\"8\" height=\"11\" rx=\"1.5\" stroke=\"#EE7D22\" stroke-width=\"1.6\"\/><\/svg>\n <\/div>\n<div>\n<h3>Chuck capping machines<\/h3>\n<p>Equipped with a gripping chuck that securely holds and rotates the cap onto the bottle for a tight, precise application. Especially suited to heavier or uniquely shaped caps.<\/p>\n<p> <a href=\"https:\/\/www.npackpm.com\/inline-pick-and-capping-machine\" target=\"_blank\" rel=\"noopener\">View chuck capping machine \u2192<\/a>\n <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>Selecting the right type depends on your product requirements, desired automation level, and the specifics of your production line.<\/p>\n<\/section>\n<section id=\"heads\">\n<h3>Determining the right number of capping heads<\/h3>\n<p>If you’re matching your production target to the right equipment, a simple guideline helps: each capping head on a rotary chuck capping machine can generally handle about 2,000 bottles per hour.<\/p>\n<div class=\"stat-row\">\n<div class=\"stat-card\"><span class=\"num\">~2,000<\/span><span class=\"label\">bottles\/hour, per capping head<\/span><\/div>\n<div class=\"stat-card\"><span class=\"num\">6 heads<\/span><span class=\"label\">needed for 12,000 bottles\/hour (200\/min)<\/span><\/div>\n<div class=\"stat-card\"><span class=\"num\">~30\/min<\/span><span class=\"label\">typical single-head throughput<\/span><\/div>\n<\/p><\/div>\n<p>Keep in mind that larger caps or tricky bottle shapes can slightly reduce throughput. For smaller production runs or simpler operations, a single-head system typically handles up to about 30 bottles per minute. As speed requirements grow, upgrading to more capping heads keeps the line efficient and reliable.<\/p>\n<\/section>\n<section id=\"conclusion\">\n<div class=\"conclusion\">\n<h4>Conclusion<\/h4>\n<p>Lug capping machines are popular packaging equipment for sealing glass jars and bottles, particularly for food and beverage products. They’re commonly found on containers holding hot-filled goods like pasta sauces, salsas, and a variety of spreads. If you’re not sure how to choose a lug capping machine, feel free to contact us for help.<\/p>\n<\/p><\/div>\n<\/section>\n<div class=\"contact-cta\">\n<h3>Not sure which lug capper fits your line?<\/h3>\n<p>Tell us your jar size, cap type, and target output \u2014 we’ll help you match the right vacuum, spindle, or chuck capping setup.<\/p>\n<p> <a class=\"btn\" href=\"https:\/\/www.npackpm.com\/contact-us\">Talk to our team \u2192<\/a>\n <\/div>\n<\/div>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Is a Lug Capping Machine? Capping FAQ \u00b7 Food & beverage packaging What is a lug capping machine? A common question from food and sauce brands. Npack designs and manufactures several types of lug capping machines for the food industry \u2014 but to make sense of the equipment, it helps to start with the […]<\/p>\n","protected":false},"author":1,"featured_media":5023,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-5019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"blocksy_meta":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/posts\/5019","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/comments?post=5019"}],"version-history":[{"count":10,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/posts\/5019\/revisions"}],"predecessor-version":[{"id":5513,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/posts\/5019\/revisions\/5513"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/media\/5023"}],"wp:attachment":[{"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/media?parent=5019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/categories?post=5019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/tags?post=5019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":5019,"date":"2025-12-15T07:00:21","date_gmt":"2025-12-15T07:00:21","guid":{"rendered":"https:\/\/www.npackpm.com\/?p=5019"},"modified":"2026-09-21T07:49:54","modified_gmt":"2026-09-21T07:49:54","slug":"taponadoras-de-orejetas","status":"publish","type":"post","link":"https:\/\/www.npackpm.com\/es\/lug-capping-machines.html","title":{"rendered":"\u00bfQu\u00e9 es una tapadora de orejetas?"},"content":{"rendered":"

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\nWhat Is a Lug Capping Machine?<\/title>\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap\" rel=\"stylesheet\">\n<style>\n :root{\n --bg:#FFFFFF;\n --ink:#1A1A1A;\n --ink-soft:#454545;\n --ink-faint:#8B8B8B;\n --rule:#E3E4E6;\n --amber:#EE7D22;\n --amber-dark:#B75B14;\n --blue:#2E6DA4;\n --blue-dark:#1F4D75;\n --blue-pale:#EAF1F9;\n --panel:#F6F7F8;\n font-family:'Inter',system-ui,-apple-system,sans-serif;\n }\n *{box-sizing:border-box;}\n html{scroll-behavior:smooth;}\n body{margin:0; background:var(--bg); color:var(--ink); line-height:1.65;}\n img{max-width:100%; display:block;}<\/p>\n<p> \/* Content-column only \u2014 no page header\/nav\/sidebar included. *\/\n .article{max-width:780px; margin:0 auto; padding:8px 4px 40px;}<\/p>\n<p> .kicker{\n display:flex; 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color:var(--ink); font-size:15px;}<\/p>\n<p> .lug-illustration{\n display:flex; align-items:center; gap:20px;\n background:var(--panel); border:1px solid var(--rule); border-radius:6px;\n padding:20px 22px; margin:18px 0 22px;\n }\n .lug-illustration .icon-box{\n flex:none; width:84px; height:84px; border-radius:5px;\n background:#fff; border:1px solid var(--rule);\n display:flex; align-items:center; justify-content:center;\n }\n .lug-illustration figcaption{font-size:13px; color:var(--ink-faint); margin-top:4px;}\n .lug-illustration .cap-desc{font-size:14px; color:var(--ink-soft);}\n .lug-illustration strong{color:var(--ink); font-family:'Space Grotesk',sans-serif; font-size:14px; display:block; margin-bottom:4px;}<\/p>\n<p> .tech-grid{display:flex; flex-direction:column; gap:18px; margin:20px 0 6px;}\n .tech-card{\n display:grid; grid-template-columns:60px 1fr; gap:16px;\n padding:16px 18px; background:var(--panel); border:1px solid var(--rule); border-radius:5px;\n }\n .tech-icon{\n width:60px; height:60px; display:flex; align-items:center; justify-content:center;\n background:#fff; border:1px solid var(--rule); border-radius:4px;\n }\n .tech-card h3{margin:0 0 5px; font-size:15.5px; border:none; padding-left:0;}\n .tech-card p{margin:0 0 6px; font-size:14px;}\n .tech-card a{font-size:13px; font-weight:600;}<\/p>\n<p> .stat-row{display:flex; gap:14px; flex-wrap:wrap; margin:18px 0 20px;}\n .stat-card{\n flex:1 1 190px;\n background:var(--panel); border:1px solid var(--rule); border-radius:6px;\n padding:18px 18px;\n }\n .stat-card .num{\n font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:26px; color:var(--blue-dark);\n display:block; margin-bottom:4px;\n }\n .stat-card .label{font-size:13px; color:var(--ink-faint);}<\/p>\n<p> .conclusion{background:var(--ink); color:#EDEDEB; border-radius:6px; padding:24px 24px;}\n .conclusion h4{color:#F4F4F2; font-size:13px; text-transform:uppercase; letter-spacing:.04em; color:var(--amber); margin-bottom:10px;}\n .conclusion p{color:#D6D6D3; margin-bottom:0;}<\/p>\n<p> .contact-cta{\n margin-top:18px; padding:22px 24px; border:1px solid var(--rule); border-radius:6px;\n background:linear-gradient(135deg, var(--panel) 0%, #fff 100%);\n }\n .contact-cta h3{margin-top:0; border:none; padding-left:0;}\n .contact-cta p{font-size:14px;}\n .btn{\n display:inline-flex; align-items:center; gap:8px; background:var(--amber); color:#1A1000;\n text-decoration:none; padding:10px 18px; border-radius:4px; font-weight:600; font-size:14px;\n }\n .btn:hover{background:#F4924A;}\n<\/style>\n<p><\/head><br \/>\n<body><\/p>\n<div class=\"article\">\n<div class=\"kicker\">\n <svg width=\"15\" height=\"15\" viewBox=\"0 0 18 18\" fill=\"none\"><path d=\"M9 1L16 4.5V9C16 13 13 16 9 17C5 16 2 13 2 9V4.5L9 1Z\" stroke=\"currentColor\" stroke-width=\"1.4\"\/><path d=\"M6 9L8.2 11.2L12.5 6.5\" stroke=\"currentColor\" stroke-width=\"1.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><br \/>\n Capping FAQ \u00b7 Food & beverage packaging\n <\/div>\n<h1>What is a lug capping machine?<\/h1>\n<p class=\"lede\">A common question from food and sauce brands. Npack designs and manufactures several types of lug capping machines for the food industry \u2014 but to make sense of the equipment, it helps to start with the cap itself.<\/p>\n<details class=\"toc-box\" open>\n<summary>Table of contents<br \/>\n <svg class=\"chev\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\"><path d=\"M4 6L8 10L12 6\" stroke=\"#8B8B8B\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><br \/>\n <\/summary>\n<ol>\n<li><a href=\"#lug-cap\">What is a lug cap?<\/a><\/li>\n<li><a href=\"#lug-machine\">What is a lug capping machine?<\/a><\/li>\n<li><a href=\"#types\">Main types of lug capping machines<\/a><\/li>\n<li><a href=\"#heads\">Determining the right number of capping heads<\/a><\/li>\n<li><a href=\"#conclusion\">Conclusion<\/a><\/li>\n<\/ol>\n<\/details>\n<section id=\"lug-cap\">\n<h3>What is a lug cap?<\/h3>\n<p>If you’ve ever twisted open a jar of tomato sauce, pickles, or another sauce jar product, you’ve probably encountered a lug cap \u2014 though you might not have known its name. Unlike common continuous-thread caps (think the classic screw-top jars from brands like Ball or Mason), lug caps use a specialized design.<\/p>\n<p>Instead of a single continuous spiral thread, lug caps feature several angled metal tabs \u2014 or “lugs” \u2014 inside the cap’s skirt. When you place the cap on the jar and twist, these lugs catch and lock onto matching threads on the jar itself. That means you only need to turn the cap about half a rotation, or even less, to get a secure seal or to open it back up.<\/p>\n<figure class=\"lug-illustration\">\n<div class=\"icon-box\">\n <svg width=\"42\" height=\"42\" viewBox=\"0 0 42 42\" fill=\"none\">\n <rect x=\"10\" y=\"6\" width=\"22\" height=\"7\" rx=\"1.5\" stroke=\"#2E6DA4\" stroke-width=\"1.8\"\/>\n <path d=\"M13 13H29L27 33H15L13 13Z\" stroke=\"#2E6DA4\" stroke-width=\"1.8\" stroke-linejoin=\"round\"\/>\n <path d=\"M11 9.5L13 6M31 9.5L29 6M15.5 9.5L17 6.5M26.5 9.5L25 6.5\" stroke=\"#EE7D22\" stroke-width=\"1.6\" stroke-linecap=\"round\"\/>\n <\/svg>\n <\/div>\n<div>\n <strong>Lug cap<\/strong><br \/>\n <span class=\"cap-desc\">Angled internal lugs catch matching threads on the jar \u2014 a partial twist locks or releases the seal, instead of a full spiral rotation.<\/span>\n <\/div>\n<\/figure>\n<p>This design not only makes lug caps quick and easy to use, but also helps achieve a tight seal with minimal effort \u2014 perfect for both food preservation and high-speed production lines. So next time you open a jar with a quick twist, you can thank the clever engineering behind the humble lug cap. For more detail, see this reference on <a href=\"https:\/\/evergreenresources.com\/lug-caps-for-food-products\/\" target=\"_blank\" rel=\"noopener nofollow\">lug caps<\/a>.<\/p>\n<\/section>\n<section id=\"lug-machine\">\n<h2>What is a lug capping machine?<\/h2>\n<p>A lug capping machine is a semi-automatic or automatic capping machine that places and twists on the lug cap onto a glass jar or bottle. It’s one type of capping machine, popular in food packaging. Machines can be semi-automatic or automatic, single-head or multi-head \u2014 the right model depends on your packaging output requirements.<\/p>\n<\/section>\n<section id=\"types\">\n<h3>Main types of lug capping machines<\/h3>\n<p>When choosing the right machine for sealing lug caps, it helps to understand the primary types found in the industry. Each suits different production needs and bottle types.<\/p>\n<div class=\"tech-grid\">\n<div class=\"tech-card\">\n<div class=\"tech-icon\">\n <svg width=\"30\" height=\"30\" viewBox=\"0 0 34 34\" fill=\"none\"><rect x=\"9\" y=\"8\" width=\"16\" height=\"20\" rx=\"2\" stroke=\"#2E6DA4\" stroke-width=\"1.6\"\/><path d=\"M12 12H22M12 16H22M12 20H18\" stroke=\"#2E6DA4\" stroke-width=\"1.4\" stroke-linecap=\"round\"\/><path d=\"M17 24.5C18.5 24.5 19.5 23.5 19.5 22\" stroke=\"#EE7D22\" stroke-width=\"1.6\" stroke-linecap=\"round\"\/><\/svg>\n <\/div>\n<div>\n<h3>Vacuum capping machines<\/h3>\n<p>Ideal for products that need an airtight seal \u2014 sauces, pickles, or jams. These machines remove air from the bottle before applying the cap, significantly extending shelf life.<\/p>\n<p> <a href=\"https:\/\/www.npackpm.com\/vacuum-capping-machine\" target=\"_blank\" rel=\"noopener\">View vacuum capping machine \u2192<\/a>\n <\/div>\n<\/p><\/div>\n<div class=\"tech-card\">\n<div class=\"tech-icon\">\n <svg width=\"30\" height=\"30\" viewBox=\"0 0 34 34\" fill=\"none\"><circle cx=\"12\" cy=\"17\" r=\"4.5\" stroke=\"#2E6DA4\" stroke-width=\"1.6\"\/><circle cx=\"22\" cy=\"17\" r=\"4.5\" stroke=\"#2E6DA4\" stroke-width=\"1.6\"\/><path d=\"M17 8V26\" stroke=\"#EE7D22\" stroke-width=\"1.6\" stroke-dasharray=\"2 2\"\/><\/svg>\n <\/div>\n<div>\n<h3>Spindle capping machines<\/h3>\n<p>Use sets of spinning wheels (spindles) to tighten caps as bottles move along a conveyor. Popular for their speed and adaptability across bottle sizes.<\/p>\n<p> <a href=\"https:\/\/www.npackpm.com\/spindle-capping-machine\" target=\"_blank\" rel=\"noopener\">View spindle capping machine \u2192<\/a>\n <\/div>\n<\/p><\/div>\n<div class=\"tech-card\">\n<div class=\"tech-icon\">\n <svg width=\"30\" height=\"30\" viewBox=\"0 0 34 34\" fill=\"none\"><path d=\"M17 6V13\" stroke=\"#2E6DA4\" stroke-width=\"1.6\" stroke-linecap=\"round\"\/><path d=\"M11 13H23L21 17H13L11 13Z\" stroke=\"#2E6DA4\" stroke-width=\"1.6\" stroke-linejoin=\"round\"\/><rect x=\"13\" y=\"17\" width=\"8\" height=\"11\" rx=\"1.5\" stroke=\"#EE7D22\" stroke-width=\"1.6\"\/><\/svg>\n <\/div>\n<div>\n<h3>Chuck capping machines<\/h3>\n<p>Equipped with a gripping chuck that securely holds and rotates the cap onto the bottle for a tight, precise application. Especially suited to heavier or uniquely shaped caps.<\/p>\n<p> <a href=\"https:\/\/www.npackpm.com\/inline-pick-and-capping-machine\" target=\"_blank\" rel=\"noopener\">View chuck capping machine \u2192<\/a>\n <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>Selecting the right type depends on your product requirements, desired automation level, and the specifics of your production line.<\/p>\n<\/section>\n<section id=\"heads\">\n<h3>Determining the right number of capping heads<\/h3>\n<p>If you’re matching your production target to the right equipment, a simple guideline helps: each capping head on a rotary chuck capping machine can generally handle about 2,000 bottles per hour.<\/p>\n<div class=\"stat-row\">\n<div class=\"stat-card\"><span class=\"num\">~2,000<\/span><span class=\"label\">bottles\/hour, per capping head<\/span><\/div>\n<div class=\"stat-card\"><span class=\"num\">6 heads<\/span><span class=\"label\">needed for 12,000 bottles\/hour (200\/min)<\/span><\/div>\n<div class=\"stat-card\"><span class=\"num\">~30\/min<\/span><span class=\"label\">typical single-head throughput<\/span><\/div>\n<\/p><\/div>\n<p>Keep in mind that larger caps or tricky bottle shapes can slightly reduce throughput. For smaller production runs or simpler operations, a single-head system typically handles up to about 30 bottles per minute. As speed requirements grow, upgrading to more capping heads keeps the line efficient and reliable.<\/p>\n<\/section>\n<section id=\"conclusion\">\n<div class=\"conclusion\">\n<h4>Conclusion<\/h4>\n<p>Lug capping machines are popular packaging equipment for sealing glass jars and bottles, particularly for food and beverage products. They’re commonly found on containers holding hot-filled goods like pasta sauces, salsas, and a variety of spreads. If you’re not sure how to choose a lug capping machine, feel free to contact us for help.<\/p>\n<\/p><\/div>\n<\/section>\n<div class=\"contact-cta\">\n<h3>Not sure which lug capper fits your line?<\/h3>\n<p>Tell us your jar size, cap type, and target output \u2014 we’ll help you match the right vacuum, spindle, or chuck capping setup.<\/p>\n<p> <a class=\"btn\" href=\"https:\/\/www.npackpm.com\/contact-us\">Talk to our team \u2192<\/a>\n <\/div>\n<\/div>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Is a Lug Capping Machine? Capping FAQ \u00b7 Food & beverage packaging What is a lug capping machine? A common question from food and sauce brands. Npack designs and manufactures several types of lug capping machines for the food industry \u2014 but to make sense of the equipment, it helps to start with the […]<\/p>\n","protected":false},"author":1,"featured_media":5023,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-5019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"blocksy_meta":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/posts\/5019","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/comments?post=5019"}],"version-history":[{"count":10,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/posts\/5019\/revisions"}],"predecessor-version":[{"id":5513,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/posts\/5019\/revisions\/5513"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/media\/5023"}],"wp:attachment":[{"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/media?parent=5019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/categories?post=5019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.npackpm.com\/es\/wp-json\/wp\/v2\/tags?post=5019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}