{"id":4321,"date":"2022-07-11T11:13:26","date_gmt":"2022-07-11T11:13:26","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/?p=4321"},"modified":"2026-10-21T07:45:16","modified_gmt":"2026-10-21T07:45:16","slug":"coil-packing-machine-by-stretch-film-eye-through-packing","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/coil-packing-machine-by-stretch-film-eye-through-packing\/","title":{"rendered":"Coil Packaging: Complete Guide"},"content":{"rendered":"<h2>Overview<\/h2>\n<p>Written for coil rollers, service centres and packaging buyers, this guide explains how the FPCA-1000 horizontal wrapper works \u2014 and how to set overlap so the outside of the coil stays sealed. Eye-through packaging seals a coil lying flat: a ring carries film through the eye and round the section while rollers turn the coil once. The FPCA-1000 takes coils 700\u20131,600 mm OD, 20\u2013400 mm wide, 100\u20132,000 kg, overlap from 20% to 90%.<\/p>\n<p>The video below shows a coil running in, the ring passing through the eye, and the wrapped coil leaving:<\/p>\n<iframe loading=\"lazy\" width=\"358\" height=\"636\" src=\"https:\/\/www.youtube.com\/embed\/IdJYF71sXog\" title=\"Coil Packaging: Complete Guide\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<h2>Why eye-through film packaging for coils<\/h2>\n<p>A coil wrapped only round the OD is still open at the eye and the two faces, where dust, moisture and handling damage get in. Eye-through wrapping carries the film through the eye and round the whole section, sealing every face. A horizontal machine keeps the coil flat, which suits narrow coils and slit strip that would topple on edge.<\/p>\n<h2>Our horizontal eye-through wrapper on roller conveyors<\/h2>\n<p>The coil lies flat on a yellow powered roller conveyor; the vertical ring passes through the eye while an arm with white rollers holds the coil as it turns. A yellow mesh guard closes the wrapping area, and the out-feed conveyor takes the coil away \u2014 one automatic cell.<\/p>\n<h2>The wrapping cycle<\/h2>\n<ol>\n<li><strong>In-feed.<\/strong> The coil runs in on the roller conveyor and stops.<\/li>\n<li><strong>Ring through the eye.<\/strong> The ring opens, passes through the eye and closes.<\/li>\n<li><strong>Hold.<\/strong> The top roller arm comes down onto the coil.<\/li>\n<li><strong>Wrap.<\/strong> The ring carries the film round the section while rollers turn the coil through 360\u00b0.<\/li>\n<li><strong>Cut and out.<\/strong> The film is cut and held, the ring opens, the coil runs out.<\/li>\n\n<h2>FPCA-1000 data<\/h2>\n<p>From our horizontal coil wrapper page:<\/p>\n<table>\n<thead><tr><th>Item<\/th>\n<th>FPCA-1000<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Coil ID<\/td>\n<td>508 \/ 610 mm<\/td><\/tr>\n<tr><td>Coil OD<\/td>\n<td>700\u20131,600 mm<\/td><\/tr>\n<tr><td>Coil width<\/td>\n<td>20\u2013400 mm<\/td><\/tr>\n<tr><td>Coil weight<\/td>\n<td>100\u20132,000 kg<\/td><\/tr>\n<tr><td>Overlap<\/td>\n<td>20\u201390%<\/td><\/tr>\n<tr><td>Power<\/td>\n<td>approx. 4.5 kW<\/td><\/tr>\n<tr><td>Voltage<\/td>\n<td>380 V 50 Hz 3-phase 5-wire, can be customized<\/td><\/tr>\n<tr><td>Air supply<\/td>\n<td>5\u20137 kgf\/cm\u00b2 (about 0.5\u20130.7 MPa)<\/td><\/tr>\n<tr><td>Materials<\/td>\n<td>PVC, LLDPE, PE, HDPE, paper; roll size set by coil size<\/td><\/tr>\n<\/tbody><\/table>\n<p>Other coil sizes are built to order.<\/p>\n<h2>Worked example: setting overlap from the OD<\/h2>\n<p>Illustrative coil: ID 508 mm, OD 1,000 mm, width 200 mm, 120 mm film. The section the film goes round is 246 mm deep and 200 mm wide, so each wrap uses 2 \u00d7 (246 + 200) \u2248 0.89 m.<\/p>\n<table>\n<thead><tr><th>Setting<\/th>\n<th>Wraps<\/th>\n<th>Overlap at ID<\/th>\n<th>Overlap at OD<\/th>\n<th>Film on coil<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>50% at the ID (60 mm advance)<\/td>\n<td>\u03c0 \u00d7 508 \u00f7 60 \u2248 27<\/td>\n<td>50%<\/td>\n<td>3,142 \u00f7 27 \u2248 116 mm spacing, \u2248 3%<\/td>\n<td>27 \u00d7 0.89 \u2248 24 m<\/td><\/tr>\n<tr><td>30% at the OD (84 mm spacing)<\/td>\n<td>\u03c0 \u00d7 1,000 \u00f7 84 \u2248 38<\/td>\n<td>\u2248 65%<\/td>\n<td>30%<\/td>\n<td>38 \u00d7 0.89 \u2248 34 m<\/td><\/tr>\n<\/tbody><\/table>\n<p><strong>Result.<\/strong> The film fans out from the eye to the OD. With 50% at the ID, the OD is covered with only about 3% overlap and can open in handling. For a sealed coil we set the wrap count from the OD and accept the heavier overlap at the eye, here about 10 m more film per coil.<\/p>\n<p><strong>Check against a real coil.<\/strong> On a coil of 1,400 mm OD, 508 mm ID, 300 mm width, 120 mm film and a 30 mm advance at the ID, our figure was about 80 m per coil \u2014 the formula gives \u03c0 \u00d7 508 \u00f7 30 \u2248 53 wraps \u00d7 1.49 m \u2248 80 m.<\/p>\n<h2>Packing materials<\/h2>\n<ul>\n<li><strong>Stretch film (LLDPE\/PE):<\/strong> sealed, see-through; the usual choice.<\/li>\n<li><strong>PVC or HDPE film:<\/strong> stiffer, for sharp edges.<\/li>\n<li><strong>Paper:<\/strong> breathable, where coils must not sweat.<\/li>\n<li><strong>Two layers:<\/strong> paper first and film over it, where the coil needs both.<\/li>\n<\/ul>\n<h2>Selection checklist<\/h2>\n<ol>\n<li>Coil ID, OD, width and weight range.<\/li>\n<li>Coil type: slit strip, strap, wire or tube.<\/li>\n<li>Packing material and overlap at the OD.<\/li>\n<li>Coils per hour.<\/li>\n<li>In-feed and out-feed: conveyor, crane or forklift.<\/li>\n<li>Voltage and country of installation.<\/li>\n<li>Roller-line speed, load interface and line interlock signals at in-feed and out-feed.<\/li>\n\n<h2>Safety<\/h2>\n<p>The wrapper is designed with EN 415-10 as the reference and assessed to ISO 12100. The ring through the eye, the top roller arm and the conveyors are the hazards; the yellow mesh guard is interlocked through the PLC, so opening a gate stops ring, rollers and conveyors together. Film change and threading happen with the cell stopped.<\/p>\n<h2>Engineering FAQ<\/h2>\n<p><strong>Why set overlap at the OD and not the ID?<\/strong> Because the film spreads out towards the OD \u2014 a setting that looks generous at the eye can leave the outside barely covered.<\/p>\n<p><strong>What does the top roller arm do?<\/strong> It holds the coil down so it turns without slip, walk or tipping \u2014 important on light, narrow slit coils.<\/p>\n<p><strong>Can the machine wrap paper?<\/strong> Yes, paper and film are both used, alone or one over the other.<\/p>\n<p><strong>Which standard applies?<\/strong> EN 415-10 and ISO 12100, referenced for the CE-market delivery and assessment.<\/p>\n<h2>Next step<\/h2>\n<p>Send coil ID, OD, width and weight to info@fhopepack.com; we work out the wrap count and film use per coil, then send a layout and quotation.<\/p>\n<h2>Sources<\/h2>\n<ul>\n<li>FPCA-1000 data: FHOPE horizontal coil wrapper product page.<\/li>\n<li>Film use per coil: FHOPE project notes, illustrative figures.<\/li>\n<li>Machine demo: our horizontal wrapping cell, embedded above.<\/li>\n<li>Standards: EN 415-10; ISO 12100:2010.<\/li>\n<\/ul><\/ol><\/ol>","protected":false},"excerpt":{"rendered":"<p>Overview Written for coil rollers, service centres and packaging buyers, this guide explains how the FPCA-1000 horizontal wrapper works \u2014 and how to set overlap so the outside of the coil stays sealed. Eye-through packaging [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4322,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Coil Packaging by Stretch Film, Eye-Through | FHOPE","_seopress_titles_desc":"Coil packaging guide: our horizontal eye-through coil wrapper on roller conveyors, FPCA-1000 data, why overlap is set from the OD, a film example and EN 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