{"id":15402,"date":"2026-09-18T04:45:52","date_gmt":"2026-09-18T04:45:52","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/?p=15402"},"modified":"2026-10-10T13:07:22","modified_gmt":"2026-10-10T13:07:22","slug":"inside-the-mill-modernizing-slit-steel-coil-handling-strapping-and-stacking-for-zero-downtime-output","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/inside-the-mill-modernizing-slit-steel-coil-handling-strapping-and-stacking-for-zero-downtime-output\/","title":{"rendered":"Slit Coil Upending, Wrapping and Stacking Line: Conveyor Buffers That Keep the Slitter Running"},"content":{"rendered":"<blockquote>\n<p><strong>Executive summary<\/strong>\nThis clip shows one of our slit coil lines in our workshop. A teal upender turns each coil, an orbital ring wraps it eye-through on a green conveyor line, and a yellow hooded gantry stacks the wrapped coils on a long outfeed conveyor. Conveyor sections between the stations act as buffers, so a short stop at one station does not stop the slitter upstream.<\/p>\n<\/blockquote>\n<iframe loading=\"lazy\" width=\"1053\" height=\"592\" src=\"https:\/\/www.youtube.com\/embed\/iEgxg0ho--s\" title=\"Automatic Steel Coil Strapping and Stretch Wrapping Line\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<h2 id=\"table-of-contents\">Table of Contents<\/h2>\n<ul>\n<li><a href=\"#video\">What the clip shows<\/a><\/li>\n<li><a href=\"#buffers\">Why buffers between stations<\/a><\/li>\n<li><a href=\"#buffer-size\">Buffer length<\/a><\/li>\n<li><a href=\"#setup\">What we set per line<\/a><\/li>\n<li><a href=\"#selection-checklist\">Selection checklist<\/a><\/li>\n<li><a href=\"#safety\">Safety<\/a><\/li>\n<li><a href=\"#engineering-faq\">Engineering FAQ<\/a><\/li>\n<li><a href=\"#next-step\">Next step<\/a><\/li>\n<li><a href=\"#related-reading\">Related reading<\/a><\/li>\n<li><a href=\"#sources\">Sources<\/a><\/li>\n<\/ul>\n<h2 id=\"video\">What the clip shows<\/h2>\n<table>\n<thead>\n<tr>\n<th>Step<\/th>\n<th>What you see<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Workshop<\/td>\n<td>Several of our coil lines in assembly<\/td>\n<\/tr>\n<tr>\n<td>Upending<\/td>\n<td>A teal upender with a large rotary disc turns the coil<\/td>\n<\/tr>\n<tr>\n<td>Wrapping<\/td>\n<td>An orbital ring wraps the coil eye-through while an operator watches<\/td>\n<\/tr>\n<tr>\n<td>Stacking<\/td>\n<td>A yellow hooded gantry picks and stacks wrapped coils<\/td>\n<\/tr>\n<tr>\n<td>Outfeed<\/td>\n<td>Stacks travel along a long conveyor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"buffers\">Why buffers between stations<\/h2>\n<ul>\n<li><strong>Short stops are absorbed.<\/strong> A film change or strap jam fills the buffer instead of stopping the line.<\/li>\n<li><strong>Stations run at their own pace.<\/strong> Each one takes the next coil when ready.<\/li>\n<li><strong>The slitter keeps cutting.<\/strong> Coils keep leaving the slitter while the buffer has room.<\/li>\n<li><strong>Fewer restarts.<\/strong> Less stop-start means steadier cycle times.<\/li>\n<\/ul>\n<h2 id=\"buffer-size\">Buffer length<\/h2>\n<p><strong>Worked example (illustrative).<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>Item<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Slitter output (illustrative)<\/td>\n<td>1 coil per 60 s<\/td>\n<\/tr>\n<tr>\n<td>Stop to absorb, film change (illustrative)<\/td>\n<td>5 min<\/td>\n<\/tr>\n<tr>\n<td>Coils arriving during the stop, 5 \u00d7 60 \u00f7 60<\/td>\n<td>5 coils<\/td>\n<\/tr>\n<tr>\n<td>Conveyor length per coil position (illustrative)<\/td>\n<td>1,500 mm<\/td>\n<\/tr>\n<tr>\n<td>Buffer length needed, 5 \u00d7 1,500<\/td>\n<td>7,500 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The length per coil position includes the coil itself plus the gap between coils.<\/p>\n<h2 id=\"setup\">What we set per line<\/h2>\n<table>\n<thead>\n<tr>\n<th>Setting<\/th>\n<th>Depends on<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Buffer length<\/td>\n<td>Slitter output and longest stop<\/td>\n<\/tr>\n<tr>\n<td>Upender<\/td>\n<td>Coil weight and position<\/td>\n<\/tr>\n<tr>\n<td>Wrapping<\/td>\n<td>Film layers and overlap<\/td>\n<\/tr>\n<tr>\n<td>Stacking<\/td>\n<td>Coils per stack<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"selection-checklist\">Selection checklist<\/h2>\n<ul>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Coil OD, ID, width and weight.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Slitter output in coils per hour.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Longest stop to absorb.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Floor length for buffers.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Wrapping and strapping needed.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Stack pattern.<\/li>\n<\/ul>\n<h2 id=\"safety\">Safety<\/h2>\n<ul>\n<li>Keep clear of the upender, ring and gantry while they move.<\/li>\n<li>Stay outside the fenced gantry area.<\/li>\n<li>Lock out before clearing a jam.<\/li>\n<li>For CE markets, the machine is designed to ISO 12100 and EN 415-10.<\/li>\n<\/ul>\n<h2 id=\"engineering-faq\">Engineering FAQ<\/h2>\n<p>Q: Why add buffers?\nA: So a short stop at one station does not stop the slitter.<\/p>\n<p>Q: How long should a buffer be?\nA: Coils arriving during the longest stop times the conveyor length per coil; 7,500 mm in the worked example.<\/p>\n<p>Q: Does the line upend coils?\nA: Yes, a teal upender turns each coil before wrapping, as in the clip.<\/p>\n<p>Q: What does the gantry do?\nA: It picks wrapped coils and builds stacks on the outfeed.<\/p>\n<p>Q: Can buffers be added to an existing line?\nA: Often yes, if there is floor length.<\/p>\n<p>Q: Which standards apply?\nA: For CE markets, ISO 12100 and EN 415-10.<\/p>\n<h2 id=\"next-step\">Next step<\/h2>\n<p>We match a slit coil packing line in three steps:<\/p>\n<ol>\n<li><strong>Submit your layout drawing<\/strong> with coil sizes, slitter output and floor layout, to <strong>info@fhopepack.com<\/strong>.<\/li>\n<li><strong>Receive a proposal within 48 hours<\/strong> with the machine data and layout.<\/li>\n<li><strong>Book a site survey<\/strong> so we confirm the slitter exit and floor length.<\/li>\n<\/ol>\n<h2 id=\"related-reading\">Related reading<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/mechanical-load-and-tension-analysis-in-integrated-tilting-strapping-and-stretch-wrapping-systems-for-high-precision-slit-steel-coil\/\">Slit Coil Tilting, Eye-Through Wrapping and Stacking Line<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/preventing-telescoping-surface-scratches-and-edge-buckling-engineering-solutions-for-tilting-strapping-and-wrapping-delicate-steel-coils\/\">Narrow Steel Coil Packing Line<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/eliminating-bottlenecks-why-your-steel-processing-center-needs-an-automated-coil-stacking-line\/\">Automatic Steel Coil Stacking and Palletizing Gantry<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/Automatic-Coil-Packing-Line\/slit-coil-packing.html\">Slit coil packing line<\/a><\/li>\n<\/ul>\n<h2 id=\"sources\">Sources<\/h2>\n<ul>\n<li>Machine content: FHOPE engineering team, 2026-10-10<\/li>\n<li>Clip: <a href=\"https:\/\/www.youtube.com\/watch?v=iEgxg0ho--s\">the video on YouTube<\/a><\/li>\n<li>Buffer length: our worked example, illustrative values<\/li>\n<li>Standards scope: ISO 12100:2010; <a href=\"https:\/\/www.nen.nl\/en\/nen-en-415-10-2014-en-191845\">EN 415-10:2014<\/a><\/li>\n<li>Proposal timing: approved house CTA (proposal within 48 hours)<\/li>\n<\/ul>\n<p><strong>Last reviewed:<\/strong> 2026-10-10<\/p>","protected":false},"excerpt":{"rendered":"<p>Executive summary This clip shows one of our slit coil lines in our workshop. A teal upender turns each coil, an orbital ring wraps it eye-through on a green conveyor line, and a yellow hooded [&hellip;]<\/p>","protected":false},"author":4,"featured_media":14811,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Slit Coil Upending, Wrapping and Stacking Line With Buffers","_seopress_titles_desc":"Our slit coil line upends, wraps and stacks coils with conveyor buffers between stations, so one stop does not halt the slitter: clip and buffer 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