{"id":12041,"date":"2025-12-12T04:05:19","date_gmt":"2025-12-12T04:05:19","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/?p=12041"},"modified":"2026-10-29T12:13:31","modified_gmt":"2026-10-29T12:13:31","slug":"long-shape-package-bag-packing-and-shrinking-machine-for-wood-strips-decorative-trims-aluminum-profiles","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/long-shape-package-bag-packing-and-shrinking-machine-for-wood-strips-decorative-trims-aluminum-profiles\/","title":{"rendered":"Long Shape Bag Packing and Shrinking Machine for Wood Strips, Decorative Trims and Aluminium Profiles"},"content":{"rendered":"<blockquote>\n<p><strong>Executive Summary<\/strong><\/p>\n<p>This technical guide explains the engineering configuration and sizing criteria of a continuous sleeve bagging, sealing, and shrink packaging system designed for long-format goods such as timber mouldings, decorative trims and extruded aluminium profiles. The line integrates material feeding, film sleeve formation, impulse sealing, and convective heat shrinking into one continuous flow, securing loose workpieces into rigid uniform bundles with surface protection against abrasion, moisture and dust during storage and transit.<\/p>\n<\/blockquote>\n<h2>Overview<\/h2>\n<p>This technical guide explains the operational principles, engineering configuration, and sizing criteria of a continuous sleeve bagging, sealing, and shrink packaging system designed for long-format goods. Engineered specifically for timber mouldings, decorative architectural trims, and extruded aluminium profiles, the line integrates material feeding, film sleeve formation, impulse sealing, and convective heat shrinking into a unified flow. This packaging method secures loose workpieces into rigid, uniform bundles while providing continuous surface protection against abrasion, moisture, and dust during storage and transit.<\/p>\n<iframe loading=\"lazy\" width=\"940\" height=\"535\" src=\"https:\/\/www.youtube.com\/embed\/Pv4k_tUxw2E?rel=0\" title=\"Long Shape Bag Packing and Shrinking Machine for Wood Strips, Decorative Trims and Aluminium Profiles\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<hr \/>\n<h2>How does the machine process long products?<\/h2>\n<p>The packaging sequence executes across four synchronized functional stages designed to maintain continuous material control along the horizontal feed line:<\/p>\n<ol>\n\n<li><strong>Infeed and Alignment:<\/strong> Single workpieces or pre-collated bundles (such as profiled timber strips or finished extrusions) are loaded onto powered infeed roller tables. Guide rails align the bundle centerline with the film forming carriage.<\/li>\n\n<li><strong>Sleeve Bagging and Cross Sealing:<\/strong> The bundle passes through the film feed station, pulling film continuously from the upper and lower film rolls. Once the product clears the seal plane, a pneumatic sealing carriage cycles downward to seal and sever the film around the bundle, establishing a fully enclosed loose sleeve.<\/li>\n\n<li><strong>Thermal Shrinking:<\/strong> The sleeved bundle enters a heavy-duty, enclosed thermal shrink tunnel. Recirculating hot air flows across the circumference of the bundle, causing the polymer film to relax, conform tightly to the product contours, and achieve uniform biaxial tension.<\/li>\n\n<li><strong>Outfeed and Discharge:<\/strong> The tight, fully bound pack exits the heating chamber onto idle or motorized exit rollers for ambient cooling, label verification, and secondary palletization.<\/li>\n<\/ol>\n<p>Throughout processing, physical interlocks, emergency stop circuits, and protective guarding isolate high-temperature and moving cut-off mechanisms, ensuring continuous operator protection during high-duty production cycles.<\/p>\n<h2>Why is shrink film used for these products?<\/h2>\n<p>High-value timber strips, delicate decorative mouldings, and anodized or powder-coated aluminium profiles require packaging methods that minimize mechanical point-loading. Conventional packaging alternatives\u2014such as steel strapping or pressure-sensitive tape\u2014frequently result in edge crushing, residual adhesive transfer, or localized bundle slippage during handling.<\/p>\n<p>Shrink packaging solves these structural and cosmetic challenges through uniform surface compression:<\/p>\n<ul>\n\n<li><strong>Even Holding Force:<\/strong> The tension developed by shrinking film applies continuous, low-pressure compression around the entire bundle perimeter, securing multi-piece assemblies without concentrated edge stress.<\/li>\n\n<li><strong>Surface Preservation:<\/strong> High-clarity thermoplastic barrier film isolates fine finishes from airborne dust, industrial contaminants, and scuffing caused by inter-piece vibration.<\/li>\n\n<li><strong>Optical Transparency:<\/strong> Crystal-clear film packaging permits direct visual inspection of timber grain, profile finishes, barcodes, and manufacturing labels without breaking the protective barrier.<\/li>\n\n<li><strong>Dimensional Flexibility:<\/strong> The inline process accommodates extended lengths seamlessly, governed solely by infeed and outfeed roller runout capacities and building footprint.<\/li>\n<\/ul>\n<h2>What determines the machine&#8217;s configuration?<\/h2>\n<p>Because cross-sectional profiles and physical bundle dimensions vary widely across industrial sectors, the packaging line is engineered on a modular, configurable chassis rather than as a rigid static assembly. System components are proportioned according to target workpiece specifications:<\/p>\n<table>\n\n<thead>\n\n<tr>\n\n<th>Setting<\/th>\n\n<th>Depends On<\/th>\n    <\/tr>\n  <\/thead>\n\n<tbody>\n\n<tr>\n\n<td>Sealer width<\/td>\n\n<td>Bundle cross-section<\/td>\n    <\/tr>\n\n<tr>\n\n<td>Film type<\/td>\n\n<td>POF or PE selection<\/td>\n    <\/tr>\n\n<tr>\n\n<td>Film thickness<\/td>\n\n<td>Product requirements<\/td>\n    <\/tr>\n\n<tr>\n\n<td>Tunnel heat<\/td>\n\n<td>Film type and product sensitivity<\/td>\n    <\/tr>\n\n<tr>\n\n<td>Roller tables<\/td>\n\n<td>Product length<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n<p>Maximum processing length is physically decoupled from the machine frame; it is governed directly by upstream\/downstream roller conveyor layout and total facility footprint.<\/p>\n<p>To illustrate sizing boundaries on standardized chassis of this class, the related <a href=\"https:\/\/www.fhopepack.com\/Bundle\/bundle-sleeve-080E.html\">Sleeve shrinking machine SK-080E<\/a> provides a benchmark reference [manufacturer rating]:<\/p>\n<ul>\n\n<li><strong>Sealing Type:<\/strong> Continuous bottom lap sealing<\/li>\n\n<li><strong>Maximum Cross-Section Capacity:<\/strong> Bundle width + height \u2264 400 mm (maximum sealing height \u2264 200 mm)<\/li>\n\n<li><strong>Film Roll Envelope:<\/strong> Maximum web width 1,000 mm \u00d7 outer diameter 280 mm (polyethylene)<\/li>\n\n<li><strong>Tunnel Chamber Aperture:<\/strong> 600 mm (W) \u00d7 400 mm (H)<\/li>\n\n<li><strong>Working Passline Height:<\/strong> Adjustable 850\u2013900 mm<\/li>\n\n<li><strong>Electrical &amp; Pneumatic Interface:<\/strong> 380V, 3-phase, 50\/60 Hz; operating air pressure \u2264 0.5 MPa (5 bar); maximum power consumption 22 kW<\/li>\n\n<li><strong>Control System:<\/strong> Siemens PLC with touchscreen HMI and Omron digital temperature controllers; machine base weight approx. 1,200 kg<\/li>\n<\/ul>\n<p><em>Note: The SK-080E parameters are benchmark manufacturer ratings for a specific standardized chassis; customized packaging lines are engineered to the specific cross-section and throughput demands of the target application.<\/em><\/p>\n<h2>How is throughput calculated?<\/h2>\n<p>System throughput is not an arbitrary mechanical constant. It represents a strict thermal-kinematic equilibrium governed by bundle length, shrink chamber heating length, and the dwell time necessary to shrink the film without causing thermal distortion to the substrate.<\/p>\n<p>To verify production capability, engineering teams apply the following kinematic relationship:<\/p>\n<p><code>Conveyor Speed = Tunnel Length &divide; Required Heat Exposure Time<\/code><\/p>\n<p><code>Pass-Through Time per Cycle = (Product Length + Tunnel Length) &divide; Conveyor Speed<\/code><\/p>\n<p>The table below provides a verified sizing example based on standard industrial cycle parameters:<\/p>\n<table>\n\n<thead>\n\n<tr>\n\n<th>Check<\/th>\n\n<th>Value in the worked example<\/th>\n    <\/tr>\n  <\/thead>\n\n<tbody>\n\n<tr>\n\n<td>Product length<\/td>\n\n<td>2,400 mm<\/td>\n    <\/tr>\n\n<tr>\n\n<td>Tunnel length<\/td>\n\n<td>1,600 mm<\/td>\n    <\/tr>\n\n<tr>\n\n<td>Required heat exposure<\/td>\n\n<td>8 s<\/td>\n    <\/tr>\n\n<tr>\n\n<td>Conveyor speed that gives it<\/td>\n\n<td>200 mm\/s (12 m\/min)<\/td>\n    <\/tr>\n\n<tr>\n\n<td>Pass-through time, (2,400 + 1,600) \u00f7 200<\/td>\n\n<td>20 s<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n<p><em>Disclaimer: The values above represent an illustrative kinematic worked example, not a universal machine rating. Production line cycle rates vary based on polymer density, film gauge, chamber air velocity, bundle geometry, and thermal constraints confirmed during project engineering.<\/em><\/p>\n<h2>What film options are available?<\/h2>\n<p>The packaging system processes both Polyolefin (POF) and Polyethylene (PE) films. Selection depends entirely on bundle geometry, weight, mechanical impact vulnerability, and visual presentation criteria:<\/p>\n<ul>\n\n<li><strong>Polyolefin (POF):<\/strong> Features high tensile tear resistance, high gloss, and superior clarity at lower gauges (typically 15 to 25 \u00b5m). POF is the preferred selection for premium decorative mouldings and retail-ready timber strips where brand optics, label clarity, and moderate bundle tightness are required.<\/li>\n\n<li><strong>Polyethylene (PE):<\/strong> Delivers heavy-gauge puncture resistance, high tear propagation resistance, and robust mechanical bundling strength (typically 35 to 100+ \u00b5m). PE is ideal for heavy structural wood packs, architectural aluminium extrusions with sharp corners, and outdoor industrial transit.<\/li>\n<\/ul>\n<p>Industrial packaging platforms in this equipment family (such as the related <a href=\"https:\/\/www.fhopepack.com\/Motion-Sealer-Shrinking-Machine-MO-900.html\">Box Side sealer MO-900<\/a> series, engineered for four-sided sealing across conveyor speeds up to 15 m\/min with tunnel heating capacity up to 28 kW [manufacturer rating]) demonstrate full dual-material compatibility across both mono-layer PE and multi-layer POF formulations. Film gauge and chemical composition must be defined during system specification to calibrate sealing bar coatings, impulse timing, and tunnel blower velocity.<\/p>\n<h2>What safety standards apply?<\/h2>\n<p>System structural safety and operator protection follow harmonized international industrial packaging standards:<\/p>\n<ul>\n\n<li><strong>ISO 12100:<\/strong> Governs basic machinery safety concepts, risk assessment methodology, and risk reduction implementation across all mechanical subsystems.<\/li>\n\n<li><strong>EN 415-10:<\/strong> Governs specific health and safety requirements for packaging machines, wrapping systems, and associated conveying equipment.<\/li>\n<\/ul>\n<p>Final safety compliance and system declaration of conformity are confirmed within the project ordering agreement according to the site-specific installation layout and regional standards (such as CE marking directives or OSHA requirements). Operational safety protocols require that interlocked access panels enclose the hot-knife sealing jaw, dual optical safety light curtains guard pinch zones, thermal insulation covers the shrink tunnel skin, and full Lockout\/Tagout (LOTO) procedures be initiated prior to jam clearing or maintenance.<\/p>\n<h2>What are the key selection criteria?<\/h2>\n<p>Specifying a continuous sleeve bag shrink packaging system requires evaluating six interrelated engineering parameters:<\/p>\n<ol>\n\n<li><strong>Cross-Section Envelope and Bundle Length:<\/strong> Governs sealer jaw opening width, maximum stroke clearance, and the minimum roller center-to-center spacing required to support long profiles without sag.<\/li>\n\n<li><strong>Bundle Piece Count and Unit Mass:<\/strong> Determines total load capacity on conveyor chains, roller drives, and downstream discharge zones.<\/li>\n\n<li><strong>Film Chemistry and Thickness:<\/strong> Dictates heating array wattage, sealing element alloy selection, and airflow distribution.<\/li>\n\n<li><strong>Target Output (Bundles per Hour):<\/strong> Determines required conveyor line speed, heating tunnel chamber length, and cooling station capacity.<\/li>\n\n<li><strong>Substrate Heat Sensitivity:<\/strong> Sets the maximum allowable chamber temperature and establishes whether auxiliary air cooling or thermal air-knife diversion is required to protect sensitive wood resins, thin paints, or protective tapes.<\/li>\n\n<li><strong>Available Floor Layout:<\/strong> Governs total linear length allocation for infeed rollers, central sealing, heating oven, cooling stages, and manual or automated accumulation tables.<\/li>\n<\/ol>\n<h2>How does this compare to orbital wrapping?<\/h2>\n<p>When engineering packaging lines for long, linear goods, production planners typically evaluate two core technologies: <strong>Sleeve Bag Shrinking<\/strong> versus <strong>Horizontal Orbital Stretch Wrapping<\/strong>.<\/p>\n<ul>\n\n<li><strong>Sleeve Bagging and Shrinking:<\/strong> Encapsulates the product within a continuous, fully sealed film sleeve that contracts under convective heat. This process provides complete six-sided dust and water-resistant protection, high optical clarity for brand display, and zero surface twist friction. It is the preferred method for retail architectural trims, planed softwood\/hardwood mouldings, and delicate coated aluminium shapes.<\/li>\n\n<li><strong>Horizontal Orbital Stretch Wrapping:<\/strong> Rotates a stretch film film-carriage horizontally around the linear axis as the workpiece advances, applying tensioned spiral wraps. Orbital wrapping eliminates heating energy requirements, accommodates irregular shapes with high transverse bundling force, and excels in rugged structural bundling (such as bare structural steel pipes, raw extruded bundles, and unplaned lumber). For detailed engineering analyses of orbital systems, refer to <a href=\"https:\/\/www.fhopepack.com\/videos\/the-horizontal-orbital-wrapper-with-mobile-bridge\/\">The Horizontal Orbital Wrapper With Mobile Bridge<\/a> and the <a href=\"https:\/\/www.fhopepack.com\/videos\/automatic-horizontal-orbital-wrapping-machine-for-pipes-and-bundles\/\">Automatic Horizontal Orbital Wrapping Machine for Pipes and Bundles<\/a>.<\/li>\n<\/ul>\n<h2>What data is needed for a proposal?<\/h2>\n<p>Every long-format packaging line is engineered to order. To receive an optimized technical specification, layout schematic, and cost estimate, supply the following operational parameters:<\/p>\n<ol>\n\n<li>Maximum and minimum product lengths, widths, and heights (including full bundle cross-section dimensions).<\/li>\n\n<li>Number of individual pieces per bundle and individual bundle gross weights.<\/li>\n\n<li>Preferred film specification: material grade (POF or PE) and target thickness (\u00b5m).<\/li>\n\n<li>Required production rate expressed in linear meters per minute or completed bundles per hour.<\/li>\n\n<li>Plant floor layout limitations, including infeed\/outfeed material flow direction and available linear space.<\/li>\n\n<li>Any special thermal constraints, such as heat-sensitive surface finishes, low-melt adhesives, or protective surface tapes.<\/li>\n<\/ol>\n<p>Upon receipt of these baseline parameters, our engineering team delivers a comprehensive formal technical proposal within 48 hours, including line footprint drawings, utility load requirements, and mechanical cycle simulations tailored to your production facility.<\/p>\n<h2>Related reading<\/h2>\n<ul>\n\n<li><a href=\"https:\/\/www.fhopepack.com\/Shrinking_machine.html\">Shrinking Machine Range<\/a><\/li>\n\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/automatic-bottle-groupingshrinking-machine\/\">Automatic Bottle Group Shrinking Machine<\/a><\/li>\n\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/the-horizontal-orbital-wrapper-with-mobile-bridge\/\">Horizontal Orbital Wrapper With Mobile Bridge<\/a><\/li>\n<\/ul>\n<p><strong>Last reviewed:<\/strong> 2026-10-29<\/p>","protected":false},"excerpt":{"rendered":"<p>Executive Summary This technical guide explains the engineering configuration and sizing criteria of a continuous sleeve bagging, sealing, and shrink packaging system designed for long-format goods such as timber mouldings, decorative trims and extruded aluminium 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