{"id":274,"date":"2018-04-19T02:12:07","date_gmt":"2018-04-19T02:12:07","guid":{"rendered":"http:\/\/www.fhopepack.com\/videos\/?p=274"},"modified":"2026-10-19T07:20:54","modified_gmt":"2026-10-19T07:20:54","slug":"aluminum-rod-material-wrapper-mvi-1379","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/aluminum-rod-material-wrapper-mvi-1379\/","title":{"rendered":"Aluminum rod material wrapper"},"content":{"rendered":"<blockquote>\n<p><strong>Executive summary<\/strong><\/p>\n<p>An aluminum rod material wrapper is a horizontal orbital stretch wrapper. The rod lies still on rollers and passes through a ring; the ring carries the film roll round the rod and lays a spiral of film along its length. On our E300 the product can be 50\u2013300 mm across and 15\u2013100 kg, so for solid aluminum rod the weight, not the diameter, is usually the first limit to check.<\/p>\n<\/blockquote>\n<iframe loading=\"lazy\" width=\"940\" height=\"535\" src=\"https:\/\/www.youtube.com\/embed\/3MB8gYDxn6s\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<p>On this wrapper a long round rod already sleeved in clear film lies on support rollers through a yellow ring mounted on a green frame. The operator fixes the film end on the rod by hand, then the ring spins round the stationary rod and keeps laying film on. A yellow guard frame stands beside the ring, and a small side station carries red and black clamping handles.<\/p>\n<h2 id=\"table-of-contents\">Table of Contents<\/h2>\n<ul>\n<li><a href=\"#why-film\">Why aluminum rod is film wrapped<\/a><\/li>\n<li><a href=\"#how-it-works\">How the orbital wrapper works<\/a><\/li>\n<li><a href=\"#specs\">E300 and E400 orbital wrapper specifications<\/a><\/li>\n<li><a href=\"#weight\">Weight check for solid rod<\/a><\/li>\n<li><a href=\"#example\">Worked example: 3,000 mm rod<\/a><\/li>\n<li><a href=\"#selection-checklist\">Selection checklist<\/a><\/li>\n<li><a href=\"#safety\">Safety: EN 415-10 and ISO 12100<\/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=\"why-film\">Why aluminum rod is film wrapped<\/h2>\n<p>Aluminum is soft. A drawn or machined rod marks easily when it rubs on another rod, on a fork or on a rack, and damp air leaves stains on a bright surface. A tight spiral of stretch film keeps dust and moisture off and takes the rubbing during handling and transport. Because the rod is wrapped over its full length, the protection is the same at both ends and in the middle.<\/p>\n<h2 id=\"how-it-works\">How the orbital wrapper works<\/h2>\n<p>The rod does not turn. It lies on the infeed conveyor and moves through the ring. The ring, driven by a double rub-wheel drive (friction wheels against the ring), turns round the rod and pulls film off the roll it carries. Each turn of the ring lays one wrap; the forward movement of the conveyor during that turn sets how far the next wrap moves along.<\/p>\n<ul>\n<li><strong>Ring speed<\/strong> is set by an inverter, and the friction between the drive wheels and the ring can be adjusted.<\/li>\n<li><strong>Conveyor speed<\/strong> is set by a second inverter, so the overlap is adjusted by the ratio of conveyor speed to ring speed.<\/li>\n<li><strong>The conveyor protects the surface<\/strong> of the product as it carries it in and out.<\/li>\n<li><strong>Modes<\/strong>: automatic or semiautomatic wrapping. A film tail treating device and longer conveyors are options. Where the film should be clamped and cut without the operator, our S300 orbital wrapper has automatic clamping and cutting; the time saved per rod is confirmed at quote.<\/li>\n<\/ul>\n<h2 id=\"specs\">E300 and E400 orbital wrapper specifications<\/h2>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Item<\/th>\n<th style=\"text-align: left\">E300<\/th>\n<th style=\"text-align: left\">E400<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\">Product OD<\/td>\n<td style=\"text-align: left\">50\u2013300 mm<\/td>\n<td style=\"text-align: left\">100\u2013400 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Product length<\/td>\n<td style=\"text-align: left\">over 1,000 mm<\/td>\n<td style=\"text-align: left\">over 1,200 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Product weight<\/td>\n<td style=\"text-align: left\">15\u2013100 kg<\/td>\n<td style=\"text-align: left\">15\u2013100 kg<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Conveyor speed<\/td>\n<td style=\"text-align: left\">6\u201312 m\/min<\/td>\n<td style=\"text-align: left\">6\u201312 m\/min<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Ring speed<\/td>\n<td style=\"text-align: left\">20\u201390 r\/min<\/td>\n<td style=\"text-align: left\">20\u201390 r\/min<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Infeed \/ outfeed conveyor<\/td>\n<td style=\"text-align: left\">2,000 mm each, motor driven<\/td>\n<td style=\"text-align: left\">confirmed at quote<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Film<\/td>\n<td style=\"text-align: left\">100\u2013200 mm wide, 50 mm core<\/td>\n<td style=\"text-align: left\">confirmed at quote<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Power<\/td>\n<td style=\"text-align: left\">about 2.5 kW, 380 V 60 Hz (other supplies confirmed at quote)<\/td>\n<td style=\"text-align: left\">confirmed at quote<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>On the E300 the 50 mm lower limit applies to stiff products. A rod is stiff, so small diameters are fine; a soft or flexible product needs about 100 mm.<\/p>\n<h2 id=\"weight\">Weight check for solid rod<\/h2>\n<p>Solid aluminum is about 2,700 kg\/m\u00b3. Rod mass grows with the square of the diameter, so a modest increase in diameter can take a rod out of the 15\u2013100 kg range even when it fits the ring easily. For a heavier rod the conveyor and roller loading must be confirmed at quote.<\/p>\n<h2 id=\"example\">Worked example: 3,000 mm rod<\/h2>\n<p>Take an aluminum rod of \u00d8120 mm and 3,000 mm length, wrapped with 150 mm film at 50% overlap.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Step<\/th>\n<th style=\"text-align: left\">Calculation<\/th>\n<th style=\"text-align: left\">Result<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\">Volume<\/td>\n<td style=\"text-align: left\">\u03c0 \u00d7 0.06\u00b2 \u00d7 3<\/td>\n<td style=\"text-align: left\">0.0339 m\u00b3<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Mass<\/td>\n<td style=\"text-align: left\">0.0339 \u00d7 2,700<\/td>\n<td style=\"text-align: left\">about 92 kg (inside 15\u2013100 kg)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Same rod at \u00d8150 mm<\/td>\n<td style=\"text-align: left\">\u03c0 \u00d7 0.075\u00b2 \u00d7 3 \u00d7 2,700<\/td>\n<td style=\"text-align: left\">about 143 kg (heavy build, confirmed at quote)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Advance per ring turn<\/td>\n<td style=\"text-align: left\">150 \u00d7 (1 \u2212 50%)<\/td>\n<td style=\"text-align: left\">75 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Turns over the rod<\/td>\n<td style=\"text-align: left\">3,000 \u00f7 75<\/td>\n<td style=\"text-align: left\">40<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Fastest conveyor at this overlap<\/td>\n<td style=\"text-align: left\">90 r\/min \u00d7 75 mm<\/td>\n<td style=\"text-align: left\">6,750 mm\/min = 6.75 m\/min<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Wrap time<\/td>\n<td style=\"text-align: left\">3 \u00f7 6.75<\/td>\n<td style=\"text-align: left\">0.44 min, about 27 s<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Film per turn<\/td>\n<td style=\"text-align: left\">\u221a(0.377\u00b2 + 0.075\u00b2), with \u03c0 \u00d7 0.12 = 0.377 m<\/td>\n<td style=\"text-align: left\">0.384 m<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Film laid (before pre-stretch)<\/td>\n<td style=\"text-align: left\">40 \u00d7 0.384<\/td>\n<td style=\"text-align: left\">about 15.4 m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Result.<\/strong> The \u00d8120 mm rod fits the E300 by size and weight and wraps in about 27 s. Running the conveyor at 12 m\/min with this film and overlap would need 12,000 \u00f7 75 = 160 r\/min, above the 90 r\/min ring maximum, so at 50% overlap the ring speed, not the conveyor, limits throughput.<\/p>\n<h2 id=\"selection-checklist\">Selection checklist<\/h2>\n<ol>\n<li>Rod diameter, length and alloy.<\/li>\n<li>Rod weight per piece, single rods or bundles.<\/li>\n<li>Surface finish and how many film layers are needed.<\/li>\n<li>Film width and core size.<\/li>\n<li>Rods per hour, and whether the wrapper links to a line.<\/li>\n<li>Manual or automatic film start and cut.<\/li>\n<\/ol>\n<h2 id=\"safety\">Safety: EN 415-10 and ISO 12100<\/h2>\n<p>The wrapper is built to EN 415-10, the safety requirements for packaging machines, with the risk assessment to ISO 12100:2010. The rotating ring is the main hazard, so the ring area is guarded and the operator fixes the film end only while the ring is stopped. Guarding and CE documents are agreed per project.<\/p>\n<h2 id=\"engineering-faq\">Engineering FAQ<\/h2>\n<p>Q: Does the rod rotate during wrapping?\nA: No. The rod lies on the conveyor and the ring turns round it.<\/p>\n<p>Q: What is the smallest rod the E300 takes?\nA: 50 mm across for a stiff product such as a rod.<\/p>\n<p>Q: How is overlap changed?\nA: By changing conveyor speed against ring speed; both have their own inverter.<\/p>\n<p>Q: Can it wrap rod bundles?\nA: Yes, if the bundle fits the ring and weight range. Bundle size is confirmed at quote.<\/p>\n<h2 id=\"next-step\">Next step<\/h2>\n<ol>\n<li><strong>Send your rod diameter, length and weight<\/strong> to info@fhopepack.com.<\/li>\n<li><strong>We check<\/strong> ring size, weight range and output.<\/li>\n<li><strong>We reply within 24 hours<\/strong> with a proposal and quotation.<\/li>\n<\/ol>\n<h2 id=\"related-reading\">Related reading<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.fhopepack.com\/Automatic-horizontal-stretch-wrapper\/E300-horizontal-stretch-wrapper.html\">E300 horizontal stretch wrapper (product)<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/Customize-orbital-wrapper\/Rod_wrapping_machine.html\">Horizontal orbital wrapping machine for rod and bar (product)<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/automatic-bar-wrapping-machine\/\">Automatic bar wrapping machine<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/rod-orbital-wrapper-and-bar-wrapping-machine\/\">Rod orbital wrapper and bar wrapping machine<\/a><\/li>\n<\/ul>\n<h2 id=\"sources\">Sources<\/h2>\n<ul>\n<li>FHOPE product pages: E300 and E400 horizontal stretch wrappers<\/li>\n<li>EN 415-10; ISO 12100:2010<\/li>\n<li>Our orbital rod wrapper shown above<\/li>\n<\/ul>\n<p><strong>Last reviewed:<\/strong> 2026-10-19<\/p>","protected":false},"excerpt":{"rendered":"<p>Executive summary An aluminum rod material wrapper is a horizontal orbital stretch wrapper. The rod lies still on rollers and passes through a ring; the ring carries the film roll round the rod and lays [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2250,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Aluminum Rod Material Wrapper: Orbital Film Wrapping | FHOPE","_seopress_titles_desc":"How an orbital ring wrapper covers aluminum rod in stretch film: E300 data, rod weight check, ring speed limit and a worked 3,000 mm rod 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