{"id":15439,"date":"2026-09-21T01:57:29","date_gmt":"2026-09-21T01:57:29","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/?p=15439"},"modified":"2026-10-10T07:03:37","modified_gmt":"2026-10-10T07:03:37","slug":"engineering-design-principles-for-downstream-slit-steel-coil-finishing-balancing-structural-rigidity-and-delicate-coil-protection-during-tilting-and-strapping","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/engineering-design-principles-for-downstream-slit-steel-coil-finishing-balancing-structural-rigidity-and-delicate-coil-protection-during-tilting-and-strapping\/","title":{"rendered":"Slit Coil Strapping, Wrapping and Stacking Line: Protecting Coil Edges From Strapping to the Pallet"},"content":{"rendered":"<blockquote>\n<p><strong>Executive summary<\/strong>\nThis clip shows our slit coil packing line. Narrow coils lie eye-up on yellow roller conveyors, a strapping head drops through the eye and bands each coil with PET strap, an orbital ring wraps the coil eye-through with film, and a gantry stacks the finished coils on a pallet. The line is built stiff enough for the coil weight while every contact point is chosen to protect the soft coil edges.<\/p>\n<\/blockquote>\n<iframe loading=\"lazy\" width=\"1053\" height=\"592\" src=\"https:\/\/www.youtube.com\/embed\/t0VTJZBPU3w\" title=\"Slit Steel Coil Upending, Strapping, Labeling, Wrapping &amp; Stacking 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=\"#rigid-gentle\">Rigid frame, gentle contact<\/a><\/li>\n<li><a href=\"#stack\">Stack height on the pallet<\/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>Line overview<\/td>\n<td>Our workshop with the packing line and stacker<\/td>\n<\/tr>\n<tr>\n<td>Conveying<\/td>\n<td>Slit coils lie eye-up on yellow roller conveyors<\/td>\n<\/tr>\n<tr>\n<td>Strapping<\/td>\n<td>A strapping head descends through the coil eye and bands the coil with PET strap<\/td>\n<\/tr>\n<tr>\n<td>Wrapping<\/td>\n<td>An orbital ring passes through the eye and wraps the coil in film<\/td>\n<\/tr>\n<tr>\n<td>Stacking<\/td>\n<td>A gantry picks the wrapped coils and stacks them on a pallet<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"rigid-gentle\">Rigid frame, gentle contact<\/h2>\n<table>\n<thead>\n<tr>\n<th>Contact point<\/th>\n<th>How we protect the coil<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Conveyor rollers<\/td>\n<td>Coils ride flat on the face, not on the edge<\/td>\n<\/tr>\n<tr>\n<td>Strap<\/td>\n<td>PET strap, which does not cut into soft edges like steel strap can<\/td>\n<\/tr>\n<tr>\n<td>Wrapping ring<\/td>\n<td>The film wraps the coil without the ring touching it<\/td>\n<\/tr>\n<tr>\n<td>Stacker gripper<\/td>\n<td>The gripper picks through the eye and sets coils down gently<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The frames and gantry are heavy steel so they stay stiff under the coil load, while the parts that touch the coil are soft or non-contact.<\/p>\n<h2 id=\"stack\">Stack height on the pallet<\/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>Coil width (illustrative)<\/td>\n<td>150 mm<\/td>\n<\/tr>\n<tr>\n<td>Stack height available above the pallet (illustrative)<\/td>\n<td>1,200 mm<\/td>\n<\/tr>\n<tr>\n<td>Coils per stack, 1,200 \u00f7 150<\/td>\n<td>8 coils<\/td>\n<\/tr>\n<tr>\n<td>Coil weight (illustrative)<\/td>\n<td>300 kg<\/td>\n<\/tr>\n<tr>\n<td>Stack weight, 8 \u00d7 300<\/td>\n<td>2,400 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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>Strap<\/td>\n<td>PET strap, or steel strap with edge protectors on less sensitive coils<\/td>\n<\/tr>\n<tr>\n<td>Film<\/td>\n<td>Film width and layers<\/td>\n<\/tr>\n<tr>\n<td>Stacking<\/td>\n<td>Coils per stack and pallet pattern<\/td>\n<\/tr>\n<tr>\n<td>Contact parts<\/td>\n<td>Coil surface and edge sensitivity<\/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\" \/> Coil surface: steel, stainless, aluminium or copper.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Straps per coil and strap type.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Film layers.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Coils per hour from the slitter.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> Pallet size and stack height.<\/li>\n<\/ul>\n<h2 id=\"safety\">Safety<\/h2>\n<ul>\n<li>Keep clear of the strapping head and the wrapping ring while they run.<\/li>\n<li>Stay outside the fenced gantry working area; access is through interlocked gates.<\/li>\n<li>Lock out before clearing a strap or film 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: What does the line do?\nA: It straps each slit coil through the eye, wraps it eye-through with film and stacks it on a pallet.<\/p>\n<p>Q: How are the coil edges protected?\nA: Coils ride flat, PET strap is used, the ring does not touch the coil and the gripper picks through the eye.<\/p>\n<p>Q: Why a rigid frame?\nA: So the machines stay stiff under coil load and place each coil accurately.<\/p>\n<p>Q: How many coils per stack?\nA: Stack height available above the pallet divided by coil width; 8 coils of 150 mm in the worked example.<\/p>\n<p>Q: Can it handle copper or aluminium coils?\nA: Yes. We set strap, film and contact parts to the coil surface.<\/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, weights, materials and coils per hour, 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 layout.<\/li>\n<\/ol>\n<h2 id=\"related-reading\">Related reading<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/technical-architecture-turnstile-integrated-slit-coil-strapping-machine\/\">Turnstile Slit Coil Strapping Machine<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/next-generation-steel-coil-packaging-solutions-integrated-stretch-wrapping-and-stacking-technology\/\">Slit Coil Stretch Wrapping and Stacking Line<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/automated-copper-coil-packaging-line-from-upending-strapping-to-stacking-without-surface-damage\/\">Copper Strip Coil Packing Line<\/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=t0VTJZBPU3w\">the video on YouTube<\/a><\/li>\n<li>Stack height: 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 our slit coil packing line. Narrow coils lie eye-up on yellow roller conveyors, a strapping head drops through the eye and bands each coil with PET strap, an orbital ring [&hellip;]<\/p>","protected":false},"author":4,"featured_media":15448,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Slit Coil Strapping, Eye-Through Wrapping and Stacking Line","_seopress_titles_desc":"Our slit coil line straps each coil through the eye, wraps it eye-through with film and stacks it on a pallet without marking the coil edges: clip and 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