{"id":6131,"date":"2023-07-26T06:46:54","date_gmt":"2023-07-26T06:46:54","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/?p=6131"},"modified":"2026-10-21T09:48:46","modified_gmt":"2026-10-21T09:48:46","slug":"sealing-and-shrinking-machine-for-door-and-window","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/sealing-and-shrinking-machine-for-door-and-window\/","title":{"rendered":"Door Shrink Wrapping: Operation and Applications"},"content":{"rendered":"<h2>Overview<\/h2>\n<p>Door shrink wrapping seals a film sleeve around a door or window frame, then heat-shrinks it in a tunnel so the pack is tight and scuff-resistant. This guide is for plant operators and production managers weighing an automatic door shrinking line for their door mix and line rate. Our line takes objects about 1,000\u20134,000 mm long and up to 1,200 mm wide, with pack height through the tunnel listed at about 180\u2013210 mm (confirm thinner slabs on the order), and a 4,000 mm shrink tunnel. A worked example below checks a 2,100 mm door against that range and estimates tunnel time at 6 m\/min.<\/p>\n<iframe loading=\"lazy\" width=\"358\" height=\"636\" src=\"https:\/\/www.youtube.com\/embed\/VFgJdrbsBJg\" title=\"Door Shrink Wrapping: Operation and Applications\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<h2>Why doors and windows use shrink film<\/h2>\n<p>A bare painted door picks up dust and edge chips in storage and on the truck. A shrink sleeve holds a clean face and keeps corners from rubbing. For long doors the tunnel must be long enough to hold the whole pack inside the heat zone at once; short tunnels leave soft ends.<\/p>\n<h2>Layout: seal station then shrink tunnel<\/h2>\n<p>The frame rides on a roller conveyor. Film is drawn over the product from an overhead roll; a sealing bar closes it on the set sides. The pack then enters the shrink tunnel, where hot air at a controlled temperature tightens the film.<\/p>\n<p>Seal-side conveyor speed is about 4\u20139 m\/min; tunnel side at 6 m\/min. Seal power is about 4 kW; tunnel heating about 20 kW in the published specification. Power supply is 380 V; air to the seal head about 6\u20138 kgf\/cm\u00b2.<\/p>\n<p>Film choices are PE, PVC or POF. Heavy PE is typically 80\u2013150 \u00b5m on this line; POF usually runs thinner (15\u201338 \u00b5m) \u2014 confirm gauge on the order. Thicker PE is available when more protection is needed.<\/p>\n<h2>Automatic door shrinking data<\/h2>\n<table>\n<thead><tr><th>Item<\/th>\n<th>Value<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Object length<\/td>\n<td>1,000\u20134,000 mm<\/td><\/tr>\n<tr><td>Object width<\/td>\n<td>up to 1,200 mm<\/td><\/tr>\n<tr><td>Object height (through tunnel)<\/td>\n<td>up to about 210 mm (180\u2013210 mm)<\/td><\/tr>\n<tr><td>Working table height<\/td>\n<td>about 800 mm<\/td><\/tr>\n<tr><td>Seal conveyor speed<\/td>\n<td>about 4\u20139 m\/min<\/td><\/tr>\n<tr><td>Tunnel conveyor speed<\/td>\n<td>about 6 m\/min<\/td><\/tr>\n<tr><td>Seal power<\/td>\n<td>about 4 kW<\/td><\/tr>\n<tr><td>Tunnel heating<\/td>\n<td>about 20 kW<\/td><\/tr>\n<tr><td>Shrink tunnel length<\/td>\n<td>4,000 mm (machine section about 5,000 mm)<\/td><\/tr>\n<tr><td>Tunnel opening (W \u00d7 H)<\/td>\n<td>1,400 \u00d7 300 mm<\/td><\/tr>\n<tr><td>Power \/ air<\/td>\n<td>380 V; 6\u20138 kgf\/cm\u00b2<\/td><\/tr>\n<tr><td>Film<\/td>\n<td>PE \/ PVC \/ POF (PE 80\u2013150 \u00b5m; POF 15\u201338 \u00b5m)<\/td><\/tr>\n<\/tbody><\/table>\n<p>Exact sealer layout (one sealer with press devices vs multi-side seal) is confirmed on the order for your door mix.<\/p>\n<h2>Worked example: a 2,100 mm door<\/h2>\n<p>Illustrative door: length 2,100 mm, width 900 mm, thickness 200 mm.<\/p>\n<p><strong>Fit check.<\/strong> Length 2,100 mm sits inside 1,000\u20134,000 mm; width 900 mm is under 1,200 mm; height 200 mm is inside 180\u2013210 mm \u2192 class OK.<\/p>\n<p><strong>Tunnel time.<\/strong> At about 6 m\/min, point exposure in the 4,000 mm tunnel is \u2248 4 \u00f7 6 \u00d7 60 \u2248 40 s. Total travel from leading to trailing edge for a 2,100 mm door is (4.0 + 2.1) \u00f7 6 \u00d7 60 \u2248 61 s. Seal travel at 4\u20139 m\/min for 2,100 mm is about 14\u201332 s under the bar, plus index time.<\/p>\n<p><strong>Takeaway.<\/strong> The 180\u2013210 mm height range usually serves framed doors and stacked packs; a plain single door of 40\u201350 mm needs clamping and pressing options confirmed on the order. Send max length and thickness together \u2014 height is usually the tighter gate.<\/p>\n<h2>Selection checklist: what to send us<\/h2>\n<ol>\n<li>Door\/window L \u00d7 W \u00d7 H (min and max thickness) and weight.<\/li>\n<li>Film type and thickness target.<\/li>\n<li>Seal style (how many sides must be closed).<\/li>\n<li>Line rate (doors per hour).<\/li>\n<li>Destination market for the safety file.<\/li>\n\n<h2>Safety and EN 415-10<\/h2>\n<p>For CE markets the design references EN 415-10 as the packaging-machine standard, with a risk assessment carried out to ISO 12100. The main hazards are the hot sealing bar, the tunnel interior and the roller conveyor. Keep hands clear of the seal stroke and the tunnel mouth while the line runs. These references define our design and risk-assessment framework; certification for a delivered line is confirmed in the project ordering agreement.<\/p>\n<h2>Engineering FAQ<\/h2>\n<p><strong>Q: Why does tunnel length matter?<\/strong><\/p>\n<p>A: The whole door should sit inside the heat zone. A tunnel around 4,000 mm for this class supports long doors so ends do not stay soft.<\/p>\n<p><strong>Q: PE, PVC or POF?<\/strong><\/p>\n<p>A: All three appear in the published specification. PE is common for heavy doors, typically 80\u2013150 \u00b5m; POF is chosen for clarity and runs thinner, about 15\u201338 \u00b5m. Confirm gauge by protection needs.<\/p>\n<p><strong>Q: Is this the same as a pallet shrink tunnel?<\/strong><\/p>\n<p>A: No. This line is sized for long, flat door and panel packs on a roller conveyor with an overhead film feed and a sealing bar.<\/p>\n<p><strong>Q: Which standard do you cite for CE?<\/strong><\/p>\n<p>A: EN 415-10 with an ISO 12100 risk assessment.<\/p>\n<h2>Next step<\/h2>\n<ol>\n<li><strong>Send max door L \u00d7 W \u00d7 H and target film<\/strong> to info@fhopepack.com.<\/li>\n<li><strong>We map it<\/strong> to the automatic door shrinking layout and note sealer options.<\/li>\n<li>We reply with a line sketch and a cycle estimate after we confirm the details.<\/li>\n\n<h2>Related reading<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/wood-door-protection-film-shrinking-machine\/\">Wood Door Protection Film Shrinking Machine<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/door-and-panel-shrink-packaging-machine\/\">Door and Panel Shrink Packaging Machine<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/automatic-panel-sealing-and-shrinking-machine\/\">Automatic Panel Sealing and Shrinking Machine<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/automatic-door-3-sides-sealing-and-shrinking-machine\/\">Automatic Door 3-Sides Sealing and Shrinking Machine<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/Automatic_door_shrinking_machine.html\">Automatic door packing \/ shrinking machine (product)<\/a><\/li>\n<\/ul>\n<h2>Sources<\/h2>\n<ul>\n<li>FHOPE Automatic door packing \/ shrinking machine product page (object size, speeds, powers, tunnel)<\/li>\n<li>Machine features from our door shrink line (roller conveyor, top film, seal bar, tunnel heaters)<\/li>\n<li>Worked example: illustrative door figures<\/li>\n<li>Standards scope: ISO 12100; EN 415-10 \u2014 referenced for design and risk assessment.<\/li>\n<\/ul><\/ol><\/ol>","protected":false},"excerpt":{"rendered":"<p>Overview Door shrink wrapping seals a film sleeve around a door or window frame, then heat-shrinks it in a tunnel so the pack is tight and scuff-resistant. This guide is for plant operators and production [&hellip;]<\/p>","protected":false},"author":5,"featured_media":6134,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Door Shrink Wrapping Machine Guide | FHOPE","_seopress_titles_desc":"Door and window shrink wrapping with seal bar and heat tunnel: sizes 1000\u20134000 mm long, 4000 mm tunnel, worked example and EN 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