{"id":17027,"date":"2026-07-01T18:09:07","date_gmt":"2026-07-01T10:09:07","guid":{"rendered":"https:\/\/www.fhopepack.com\/zh\/?p=17027"},"modified":"2026-07-01T18:09:07","modified_gmt":"2026-07-01T10:09:07","slug":"master-steel-coil-stretch-wrapper-machine-larger-steel-coil-packing-machines","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/zh\/master-steel-coil-stretch-wrapper-machine-larger-steel-coil-packing-machines\/","title":{"rendered":"Master Steel Coil Stretch Wrapper Machine | Larger steel coil packing machines"},"content":{"rendered":"<p><strong>Overview:<\/strong> This guide addresses the critical differences between narrow coil (\u22645 tons, width \u2264400 mm) and wide coil (\u226425 tons, width \u22641,860 mm) applications, providing actionable selection steps, performance parameters (e.g., 80 rpm ring speed, film overlap range 10\u00b0\u201390\u00b0), and film width recommendations. All values are typical for common industrial configurations; exact performance depends on coil geometry, film type, and machine settings. See vendor documentation for verified specifications.<\/p>\n<h2>\ud83d\udee0\ufe0f Core Operating Principles<\/h2>\n<iframe width=\"100%\" height=\"420\" src=\"https:\/\/www.youtube.com\/embed\/VpV4b94E0_Y?rel=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<p><strong>A steel coil stretch wrapping machine uses a rotating ring to apply HDPE stretch film around the outer surface of a coil, guided by a motor\u2010driven film carriage that adjusts overlap from 10\u00b0 to 90\u00b0. Typical ring speed is 80 rpm, and the coil is conveyed through the ring on a roller bed or turntable. The process is fully automated, eliminating manual manipulation and ensuring consistent tension.<\/strong><\/p>\n<h3>What Is a Steel Coil Stretch Wrapping Machine and How Does It Work?<\/h3>\n<p>A steel coil stretch wrapping machine is an automated packaging system that applies a tight, protective layer of HDPE stretch film around the outer diameter (OD) of a steel coil. The core mechanism consists of a rotating ring (driven by a gear or belt system at speeds of up to 80 rpm) and a film carriage that traverses along the coil\u2019s width. The ring rotates the film around the coil, while the carriage moves linearly to create a spiral wrap. Overlap (the percentage of successive film layers that cover each other) is adjustable via a PLC (Programmable Logic Controller) and HMI (Human\u2011Machine Interface) touchscreen, typically ranging from 10% to 90%. The coil is either stationary on a turntable or moved through the ring on a conveyor. Common models include the FPS\u2011400 for narrow coils and the Master series for wide coils. Key industry standards for film tension and stretch ratio are often referenced from ASTM D4649 or ISO 21309.<\/p>\n<h3>Are the Machine Models Different for Narrow vs. Wide Coils?<\/h3>\n<p>Yes. Narrow coils (OD \u22641,500 mm, weight \u22645 tons) are typically served by the <strong>FPS\u2011400<\/strong> model, which features a bottom cart for easy loading. Wide coils (OD \u22641,800 mm, weight \u226425 tons, width up to 1,860 mm) require the <strong>Master<\/strong> ring wrapper, designed to handle larger diameters and heavier loads. Critical differences:<\/p>\n<ul>\n<li>\n<p><strong>Film width:<\/strong> FPS\u2011400 uses 90 mm HDPE film; Master accepts 100\u2013200 mm film rolls.<\/p>\n<\/li>\n<li>\n<p><strong>Load capacity:<\/strong> FPS\u2011400 base support \u22645 tons; Master base supports up to 25 tons (with optional conveyor systems).<\/p>\n<\/li>\n<li>\n<p><strong>Film carriage adjustment:<\/strong> Both models allow overlap settings of 10\u00b0\u201390\u00b0, but the Master\u2019s carriage is motor\u2011driven for precise width accommodation.<\/p>\n<\/li>\n<li>\n<p><strong>Conveyor integration:<\/strong> Master machines are often supplied with infeed\/outfeed conveyors for automated material handling; FPS\u2011400 can be used with a manual cart.<\/p>\n<\/li>\n<\/ul>\n<p><strong>Selecting the wrong machine can cause structural damage (overloading the ring) or uneven wrapping that fails to protect the coil.<\/strong><\/p>\n<h3>How to Choose the Correct Machine Based on Coil Parameters<\/h3>\n<p>Step 1: Measure coil <strong>OD, inner diameter (ID), width, and weight<\/strong>. Step 2: Compare with the typical selection table below.<\/p>\n<table>\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Narrow Coil (Example)<\/th>\n<th>Wide Coil (Example)<\/th>\n<th>Selection Checkpoint<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Outer Diameter<\/td>\n<td>1,500 mm<\/td>\n<td>1,800 mm<\/td>\n<td>Ring ID must exceed coil OD by \u226550 mm clearance<\/td>\n<\/tr>\n<tr>\n<td>Inner Diameter<\/td>\n<td>700 mm<\/td>\n<td>508 \/ 610 mm<\/td>\n<td>Determines if internal support mandrels are needed<\/td>\n<\/tr>\n<tr>\n<td>Width<\/td>\n<td>10\u2013400 mm<\/td>\n<td>400\u20131,860 mm<\/td>\n<td>Exceeding width requires extended\u2011carriage option<\/td>\n<\/tr>\n<tr>\n<td>Weight<\/td>\n<td>5 tons<\/td>\n<td>25 tons<\/td>\n<td>Base capacity must be \u22651.2\u00d7 coil weight<\/td>\n<\/tr>\n<tr>\n<td>Wrapping Speed<\/td>\n<td>80 rpm<\/td>\n<td>80 rpm<\/td>\n<td>Standard for both models (typical)<\/td>\n<\/tr>\n<tr>\n<td>Film Width<\/td>\n<td>90 mm<\/td>\n<td>100\u2013200 mm<\/td>\n<td>Wider film reduces cycle time (see cost analysis)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Step 3: If weight \u22645 tons and width \u2264400 mm, choose FPS\u2011400. If weight \u226425 tons and width \u22641,860 mm, choose Master. For borderline widths (e.g., 400 mm), verify that the film carriage travel range covers the full width plus 50 mm margin. Finally, request a 3D layout from the supplier to confirm floor space: Master with conveyors typically requires 12 m \u00d7 4 m.<\/p>\n<blockquote>\n<p><strong>Disclaimer:<\/strong> The table values are based on common supplier data. Exact capacities vary by manufacturer; always consult the vendor\u2019s technical datasheet.<\/p>\n<\/blockquote>\n<h2>\ud83c\udfd7\ufe0f Advanced Performance Factors<\/h2>\n<p><strong>At 80 rpm ring speed, a typical narrow coil (400 mm wide, 90 mm film, 50% overlap) wraps in about 2.5 minutes. Using a 200 mm wide film with 30% overlap reduces that to 1.2 minutes. Actual throughput depends on film width, overlap percentage, and whether automatic cut\u2011and\u2011seal is enabled. For production lines requiring &lt;30 seconds per coil, consider dual\u2011station or parallel machines.<\/strong><\/p>\n<h3>Does the 80 rpm Wrapping Speed Meet Production Line Cycle Times?<\/h3>\n<p>For most steel coil production lines, 80 rpm is sufficient. However, effective throughput is governed by the <strong>film width \u00d7 overlap<\/strong> combination. The standard formula for wrapping time per coil is:<\/p>\n<p>[\n\\text{Time (min)} = \\frac{\\text{Coil width} \\times \\text{Layers required}}{\\text{Film width} \\times (1 &#8211; \\text{overlap fraction}) \\times \\text{Ring speed (rpm)} \\times \\text{Machine efficiency}}\n]<\/p>\n<p>Example: A coil 400 mm wide, wrapped with 90 mm film at 50% overlap, requires ~2.5 minutes. With 200 mm film at 30% overlap, time drops to ~1.2 minutes. Additional factors: automatic cut\u2011and\u2011seal (adds 5\u201315 seconds), conveyor indexing time (10\u201330 seconds). <strong>Checklist:<\/strong><\/p>\n<ul>\n<li>\n<p>Is film carriage width adjustable? (Yes, on both models.)<\/p>\n<\/li>\n<li>\n<p>Is overlap settable from 10\u00b0 to 90\u00b0? (Yes.)<\/p>\n<\/li>\n<li>\n<p>Does the machine include automatic film cut and heat sealing? (Usually standard.)<\/p>\n<\/li>\n<li>\n<p>Can the wrapper be integrated into the existing conveyor control via PLC (e.g., Modbus TCP)? (Optional on some models.)<\/p>\n<\/li>\n<\/ul>\n<p>If your target cycle time is &lt;30 seconds per coil, consider a dual\u2011ring or dual\u2011station configuration (consult vendor for engineering studies).<\/p>\n<h3>How to Validate Machine Capability for Wide Coils (400\u20131,860 mm)<\/h3>\n<p>Request at least <strong>three case studies<\/strong> from the vendor showing similar coil sizes, and ask for <strong>wrapping tension and film thickness test reports<\/strong>. During a trial run, follow these pass\/fail criteria:<\/p>\n<ol>\n<li>\n<p><strong>Load centering test:<\/strong> Place a wide coil on the ring center, start rotation. <strong>Pass:<\/strong> Film contacts coil surface without slippage or unusual noise.<\/p>\n<\/li>\n<li>\n<p><strong>Width coverage test:<\/strong> Set film carriage to traverse from left to right limit. <strong>Pass:<\/strong> Carriage travel equals coil width + 100 mm margin; motion is smooth at max speed.<\/p>\n<\/li>\n<li>\n<p><strong>Heavy load endurance test:<\/strong> Wrap 10 consecutive coils at full weight (25 tons). <strong>Fail<\/strong> if any film break, coil shift, or jam occurs.<\/p>\n<\/li>\n<li>\n<p><strong>Overlap accuracy test:<\/strong> Measure overlapping width of adjacent film layers using a dial indicator. <strong>Pass:<\/strong> Deviation \u2264 \u00b15\u00b0 from set value.<\/p>\n<\/li>\n<\/ol>\n<p>For Master wide\u2011coil models, the film carriage adjustment is <strong>motor\u2011driven<\/strong> and programmable via the HMI\u2014no manual screws. If the vendor cannot provide test data, request a live video demonstration showing these steps.<\/p>\n<h3>Base Machine vs. Fully Automated Line: Which to Choose?<\/h3>\n<p>Selection depends on <strong>production volume and integration needs<\/strong>.<\/p>\n<ul>\n<li>\n<p><strong>Base machine (e.g., FPS\u2011400 with cart):<\/strong> Suitable for \u226420 coils per shift; operator loads\/unloads manually. Typical cost: $9,000\u2013$15,000 (USD, example\u2014actual ranges vary by configuration).<\/p>\n<\/li>\n<li>\n<p><strong>Fully automated line (Master with infeed\/outfeed conveyors):<\/strong> Suitable for \u226550 coils per shift, or when linking to upstream\/downstream processes. Cost is typically 1.5\u20132\u00d7 the base machine (conveyor length, PLC integration add cost).<\/p>\n<\/li>\n<\/ul>\n<p><strong>Decision tree:<\/strong><\/p>\n<ul>\n<li>\n<p>If you already use a forklift or overhead crane for batch loading \u2192 choose base machine.<\/p>\n<\/li>\n<li>\n<p>If you need unmanned continuous operation \u2192 specify full automatic line with infeed conveyor length \u22652\u00d7 coil OD.<\/p>\n<\/li>\n<li>\n<p>Verify that the vendor offers a <strong>PLC interface<\/strong> (e.g., Modbus, Profinet) for ERP integration. For wide coils, the Master automatic package includes conveyors; FPS\u2011400 conveyors are optional extras.<\/p>\n<\/li>\n<\/ul>\n<h3>How Film Width and Overlap Affect Cost and Wrapping Quality<\/h3>\n<p>Film width directly influences wrap speed: 200 mm film covers twice the area per revolution of 90 mm film, but costs more per meter. Overlap percentage increases film consumption: higher overlap improves seal integrity but raises material cost.<\/p>\n<p><strong>Typical consumption formula:<\/strong>\n[\n\\text{Film length per coil (m)} = \\frac{\\text{Coil circumference} \\times \\text{Number of layers}}{\\text{Film width (m)} \\times (1 &#8211; \\text{overlap fraction})}\n]<\/p>\n<p>Example: Coil OD 1.8 m, width 1.8 m, 100 mm film, 50% overlap \u2192 ~45 m film. Using 200 mm film at 30% overlap \u2192 ~27 m film (40% savings).<\/p>\n<p><strong>Recommendations:<\/strong><\/p>\n<ul>\n<li>\n<p>For narrow coils (width &lt;100 mm), use 90 mm film with high overlap (70\u201390%) to prevent unwinding.<\/p>\n<\/li>\n<li>\n<p>For wide coils (width &gt;1,000 mm), use 200 mm film with low overlap (30\u201350%) for speed and economy.<\/p>\n<\/li>\n<li>\n<p>Some advanced Master models offer <strong>automatic film width switching<\/strong> (optional) to accommodate mixed production.<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p><strong>Note:<\/strong> All film consumption values are estimates. Exact costs depend on film stretch ratio (pre\u2011stretch vs. non\u2011stretch) and film thickness (typically 20\u201330 microns). Request a consumption calculator from your supplier.<\/p>\n<\/blockquote>\n<h2>\ud83d\udcc8 Selection Checklist<\/h2>\n<h3>1. Dimensional &amp; Weight Validation<\/h3>\n<ul>\n<li>\n<p>[ ] Narrow coil: OD \u22641,500 mm, width \u2264400 mm, weight \u22645 tons \u2192 confirm FPS\u2011400<\/p>\n<\/li>\n<li>\n<p>[ ] Wide coil: OD \u22641,800 mm, width \u22641,860 mm, weight \u226425 tons \u2192 confirm Master<\/p>\n<\/li>\n<li>\n<p>[ ] Inner diameter (508 mm or 610 mm?)\u2014verify mandrel compatibility<\/p>\n<\/li>\n<\/ul>\n<h3>2. Performance Confirmation<\/h3>\n<ul>\n<li>\n<p>[ ] Ring speed: 80 rpm (both models typical)<\/p>\n<\/li>\n<li>\n<p>[ ] Film carriage drive: motor\u2011driven (essential for wide coils)<\/p>\n<\/li>\n<li>\n<p>[ ] Overlap range: 10\u00b0\u201390\u00b0<\/p>\n<\/li>\n<li>\n<p>[ ] Film width compatibility: 90 mm (narrow) or 100\u2013200 mm (wide)<\/p>\n<\/li>\n<\/ul>\n<h3>3. Automation Level<\/h3>\n<ul>\n<li>\n<p>[ ] Do you need infeed\/outfeed conveyors? \u2192 request full\u2011line quote<\/p>\n<\/li>\n<li>\n<p>[ ] Automatic film cut and heat seal? (standard on most machines)<\/p>\n<\/li>\n<li>\n<p>[ ] PLC and HMI touchscreen included? (FPS\u2011400 standard, Master optional)<\/p>\n<\/li>\n<\/ul>\n<h3>4. Space &amp; Utility Requirements<\/h3>\n<ul>\n<li>\n<p>[ ] Floor footprint: Master ~8 m \u00d7 4 m (plus safety zones); FPS\u2011400 ~4 m \u00d7 2 m<\/p>\n<\/li>\n<li>\n<p>[ ] Foundation: 30 cm reinforced concrete, bearing \u226510 tons\/m\u00b2<\/p>\n<\/li>\n<li>\n<p>[ ] Power: 380 V, 3\u2011phase, 50 Hz (other voltages possible with advance notice)<\/p>\n<\/li>\n<\/ul>\n<h3>5. Verification Actions<\/h3>\n<ul>\n<li>\n<p>[ ] Request <strong>video demonstration<\/strong> of identical model (e.g., <a href=\"https:\/\/www.fhopepack.com\/videos\/steel-wire-coil-wrapping-machine-wire-coil-packing-solution\/\">narrow coil FPS\u2011400 video<\/a>)<\/p>\n<\/li>\n<li>\n<p>[ ] Ask for <strong>pneumatic\/electric component list<\/strong> (SMC, Festo, or equivalent)<\/p>\n<\/li>\n<li>\n<p>[ ] Request <strong>CE or ISO 9001<\/strong> certification (required for export to many regions)<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p><strong>Pass<\/strong> only if all items are confirmed. <strong>Any deviation must be documented<\/strong> and discussed with the vendor\u2014especially weight and width limits. Ignoring these limits can cause equipment damage or unsafe operation.<\/p>\n<\/blockquote>\n<hr \/>\n<p><em>This article is based on general industrial knowledge and common supplier specifications. Exact values, model numbers, and performance data depend on the manufacturer and coil configuration. Always refer to official vendor documentation and test reports for final selection.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Overview: This guide addresses the critical differences between narrow coil (\u22645 tons, width \u2264400 mm) and wide coil (\u226425 tons, width \u22641,860 mm) applications, providing actionable selection steps, performance parameters (e.g., 80 rpm ring speed, film overlap range 10\u00b0\u201390\u00b0), and film width recommendations. All values are typical for common industrial configurations; exact performance depends on [&hellip;]<\/p>","protected":false},"author":1,"featured_media":17045,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"This guide addresses the critical differences between narrow coil (\u22645 tons, width \u2264400 mm) and wide coil (\u226425 tons, width \u22641,860 mm) applications, providing actionable selection steps, performance parameters (e.g., 80 rpm ring speed, film overlap range 10\u00b0\u201390\u00b0), and film width recommendations. All values are typical for common industrial configurations; exact performance depends on coil geometry, film type, and machine settings. See vendor documentation for verified specifications.","_seopress_robots_index":"","fifu_image_url":"https:\/\/www.fhopepack.com\/blog\/wp-content\/uploads\/2025\/01\/master-coil-packing-1.png","fifu_image_alt":"","footnotes":""},"categories":[191],"tags":[],"class_list":["post-17027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coil-wrap-machine"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/posts\/17027","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/comments?post=17027"}],"version-history":[{"count":2,"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/posts\/17027\/revisions"}],"predecessor-version":[{"id":17046,"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/posts\/17027\/revisions\/17046"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/media\/17045"}],"wp:attachment":[{"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/media?parent=17027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/categories?post=17027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fhopepack.com\/zh\/wp-json\/wp\/v2\/tags?post=17027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}