{"id":1490,"date":"2018-11-16T06:10:24","date_gmt":"2018-11-16T06:10:24","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/?p=1490"},"modified":"2026-10-27T11:53:22","modified_gmt":"2026-10-27T11:53:22","slug":"pvc-pipe-bundling-and-bagging-machine","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/pvc-pipe-bundling-and-bagging-machine\/","title":{"rendered":"PVC Pipe Bundling And Bagging Machine: Technology and Best Practices"},"content":{"rendered":"<blockquote>\n<p><strong>Executive summary<\/strong><\/p>\n<p>Small PVC, PPR, and PE pipes exit modern extrusion haul-offs faster than manual packing crews can verify, group, strap, and bag them. The FHOPE automatic PVC pipe bundling and bagging machine automates downstream post-extrusion handling: it receives cut-to-length rigid or semi-rigid conduits, counts them with optical-mechanical singulation, binds the bundle with LLDPE stretch film, and draws a protective PE sleeve over the assembly. Consolidating the counting hopper, strapping bridge, and bagging station into a single synchronized packaging cell eliminates count discrepancies, prevents transit scratches, and matches high-speed extrusion lines without labor bottlenecks.<\/p>\n<\/blockquote>\n<iframe loading=\"lazy\" width=\"940\" height=\"535\" src=\"https:\/\/www.youtube.com\/embed\/Zn0tbX3N12A?rel=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<p>The packaging cell integrates an inclined singulation table, pneumatic counting gates, an orbital film-binding carriage, and an automated continuous bag-feeding mandrel. Industrial PLC controls and directional pneumatic valves govern each transfer step, ensuring smooth travel along the longitudinal frame without surface scuffing or bundle misalignment.<\/p>\n<hr \/>\n<h2 id=\"table-of-contents\">Table of Contents<\/h2>\n<ul>\n<li><a href=\"#why\">Why automate counting and bagging<\/a><\/li>\n<li><a href=\"#sequence\">Machine sequence<\/a><\/li>\n<li><a href=\"#data\">Machine data<\/a><\/li>\n<li><a href=\"#bundle\">Bundle and bag sizing<\/a><\/li>\n<li><a href=\"#takt\">Matching the extrusion line<\/a><\/li>\n<li><a href=\"#selection-checklist\">Selection checklist<\/a><\/li>\n<li><a href=\"#safety\">Safety<\/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\">Why automate counting and bagging<\/h2>\n<p>Manual pipe packing creates two recurring operational bottlenecks: inaccurate pipe counts and transit damage from loose, torn packaging. When manual crews miss counts, manufacturers face distributor claims, repackaging expenses, and inventory errors. Furthermore, pulling non-stretched PE bags directly over loose pipes causes internal friction, leading to bundle jams and torn sleeves.<\/p>\n<p>Automating the process stabilizes quality and throughput:<\/p>\n<ul>\n<li><strong>Absolute Count Verification:<\/strong> Programmed optical-pneumatic indexing gates release the exact programmed quantity into the cradle, preventing count variations across shifts.<\/li>\n<li><strong>Structural Bundle Integrity:<\/strong> An intermediate orbital stretch film wrapping unit binds the pipes at set intervals prior to sleeving. This prevents individual conduits from shifting, telescoping, or catching against the bag mouth.<\/li>\n<li><strong>Total Surface Protection &amp; Traceability:<\/strong> Outer PE\/HDPE tubular bags protect smooth exterior walls and clean chamfered pipe ends against moisture, UV, and grit, while printed logos or applied barcodes ensure instant lot traceability in warehouse racks.<\/li>\n<\/ul>\n<h2 id=\"sequence\">Machine sequence<\/h2>\n<ol>\n<li><strong>In-feed &amp; Singulation:<\/strong> Cut pipes transfer from the planetary saw discharge table onto an inclined buffer rack with wear-resistant lining.<\/li>\n<li><strong>Indexed Batch Counting:<\/strong> Pneumatic separator fingers meter the programmed number of pipes into the lowered bundling cradle.<\/li>\n<li><strong>Orbital Point Binding:<\/strong> Intermediate wrapping stations apply tensioned LLDPE stretch film bands at designated points along the bundle length, locking the geometry into a stable round or hexagonal shape.<\/li>\n<li><strong>Bag Expansion &amp; Sleeving:<\/strong> Continuous tubular bag film is pulled from an unwind roll, opened mechanically, and drawn smoothly over the rigid, pre-bound bundle.<\/li>\n<li><strong>Impulse Heat Sealing &amp; Cutting:<\/strong> The trailing bag edge is sealed by an impulse heating jaw, cut cleanly with a pneumatic blade, and the completed pack is kicked out to the discharge rack.<\/li>\n<li><strong>Concurrent Cycle Overlap:<\/strong> The singulation table counts the next batch while the primary pusher discharges the completed bundle, maintaining zero idle cycle time.<\/li>\n<\/ol>\n<h2 id=\"data\">Machine data<\/h2>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Item<\/th>\n<th style=\"text-align: left\">Pipe bundle bag packing machine<\/th>\n<th style=\"text-align: left\">Technical Notes &amp; Tolerances<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\">Pipe outside diameter (OD)<\/td>\n<td style=\"text-align: left\">\u03a620\u201365 mm<\/td>\n<td style=\"text-align: left\">Compatible with electrical conduit, PPR plumbing, and PE pressure pipe<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Bundle outside diameter (OD)<\/td>\n<td style=\"text-align: left\">\u03a6180\u2013250 mm<\/td>\n<td style=\"text-align: left\">Hexagonal close-pack or circular bundle profiles<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Pipe length<\/td>\n<td style=\"text-align: left\">3\u20136 m<\/td>\n<td style=\"text-align: left\">Adjustable guide stops for standard 3 m, 4 m, and 6 m lengths<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Maximum bundle weight<\/td>\n<td style=\"text-align: left\">10\u201350 kg<\/td>\n<td style=\"text-align: left\">Heavy-duty structural cradle supports up to 80 kg on engineered builds<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Counting mechanism<\/td>\n<td style=\"text-align: left\">Automatic, PLC program<\/td>\n<td style=\"text-align: left\">Optical sensor singulation with double-gate rejection<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Packaging line speed<\/td>\n<td style=\"text-align: left\">\u2265 1 bundle\/min<\/td>\n<td style=\"text-align: left\">Cycle time varies with wrap count and pipe length<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Primary binding consumable<\/td>\n<td style=\"text-align: left\">LLDPE stretch film<\/td>\n<td style=\"text-align: left\">Standard machine-grade stretch film (17\u201325 \u00b5m core)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Bag material \/ thickness<\/td>\n<td style=\"text-align: left\">PE, PP, HDPE \/ 30\u201380 \u00b5m<\/td>\n<td style=\"text-align: left\">Gusseted tube film roll or pre-slit tubular continuous film<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Bag roll maximum OD<\/td>\n<td style=\"text-align: left\">\u03a6200\u2013500 mm<\/td>\n<td style=\"text-align: left\">Easy-load cantilever shaft with mechanical tension brake<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Compressed air requirement<\/td>\n<td style=\"text-align: left\">0.5\u20130.7 MPa (5\u20137 bar)<\/td>\n<td style=\"text-align: left\">Clean, dry air; continuous demand \u2248 350\u2013500 NL\/min<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Electrical supply<\/td>\n<td style=\"text-align: left\">380 V, 3-phase, 50\/60 Hz<\/td>\n<td style=\"text-align: left\">Standard plant grid (custom 220 V \/ 415 V \/ 480 V configurations available)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Compressed air volume, tubular versus pre-opened bag forms, maximum permissible pipe bow (typically \u2264 2 mm\/m), and custom electrical standards are reviewed and finalized during project quotation.<\/em><\/p>\n<h2 id=\"bundle\">Bundle and bag sizing<\/h2>\n<p>To ensure repeatable machine indexing and prevent tubular film rupture, calculate the bundle count and bag dimensions using the following engineering baselines:<\/p>\n<h3>1. Bundle Capacity Calculation<\/h3>\n<p>For hexagonal or circular dense nest packing, the pipe quantity per bundle is estimated by:<\/p>\n<p><strong>Pipes per bundle \u2248 0.9 \u00d7 (Bundle OD \u00f7 Pipe OD)\u00b2<\/strong><\/p>\n<p><em>Example:<\/em> For a \u03a6225 mm target bundle OD using \u03a632 mm PPR pipes:\n<code>Pipes per bundle &asymp; 0.9 &times; (225 &divide; 32)&sup2; = 0.9 &times; (7.03)&sup2; &asymp; 0.9 &times; 49.44 &asymp; 44 pipes<\/code><\/p>\n<h3>2. Bag Flat Width Calculation<\/h3>\n<p>The tubular bag must match the bundle circumference while incorporating a mechanical slide clearance <code>C<\/code> (typically 25\u201340 mm) to prevent high friction and film puncture during the high-speed sleeving stroke:<\/p>\n<p><strong>Bag flat width = (\u03c0 \u00d7 Bundle OD \u00f7 2) + C<\/strong><\/p>\n<p><em>Example:<\/em> For a \u03a6225 mm bundle OD with a standard 30 mm sliding clearance:\n<code>Bag flat width = (3.1416 &times; 225 &divide; 2) + 30 = 353.4 + 30 &asymp; 385 mm<\/code><\/p>\n<p>Specifying a standard 380\u2013390 mm flat bag width ensures rapid, jam-free sleeving over 6-meter bundles without excessive bag slacks. Exact film gusset and thickness parameters are confirmed upon material sample testing.<\/p>\n<h2 id=\"takt\">Matching the extrusion line<\/h2>\n<p>Synchronizing the packaging cell with upstream extruders requires comparing pipe production frequency with the packaging cycle time:<\/p>\n<p><strong>Pipes produced per minute = Extrusion line speed (m\/min) \u00f7 Individual pipe length (m)<\/strong><\/p>\n<ul>\n<li>\n<p><strong>Scenario A (Standard Plumbing Line):<\/strong><\/p>\n<ul>\n<li>Line speed: 12 m\/min, pipe length: 4 m.<\/li>\n<li>Production rate: <code>12 &divide; 4 = 3 pipes\/min<\/code>.<\/li>\n<li>To accumulate a 44-pipe bundle requires <code>44 &divide; 3 &asymp; 14.7 minutes<\/code>.<\/li>\n<li><em>Engineering outcome:<\/em> With the packaging station operating at 1\u20131.5 minutes per bundle, one downstream FHOPE bagging cell easily services multiple extrusion lines via buffer collection tables.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Scenario B (High-Speed Conduit Line):<\/strong><\/p>\n<ul>\n<li>Line speed: 24 m\/min, pipe length: 3 m.<\/li>\n<li>Production rate: <code>24 &divide; 3 = 8 pipes\/min<\/code>.<\/li>\n<li>A 40-pipe bundle fills in <code>40 &divide; 8 = 5 minutes<\/code>.<\/li>\n<li><em>Engineering outcome:<\/em> The packaging station easily handles the takt time. The buffer storage and singulation feeder width should be sized to store at least two full bundles during bag roll changeovers.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"selection-checklist\">Selection checklist<\/h2>\n<p>Provide the following line parameters to configure your automated packaging cell:<\/p>\n<ol>\n<li><strong>Pipe Geometry &amp; Resin:<\/strong> Outer diameter range (min\/max OD), wall thickness schedule, material (PVC-U, PPR, HDPE, CPVC), and surface finish.<\/li>\n<li><strong>Length Variations:<\/strong> Minimum and maximum cut lengths (e.g., standard 3 m to 5.8 m container lengths).<\/li>\n<li><strong>Bundle Matrix:<\/strong> Required pipe count per bundle, bundle configuration (circular or hexagonal), and target bundle OD.<\/li>\n<li><strong>Line Output &amp; Layout:<\/strong> Maximum line speed (m\/min), cutting cycle frequency, and single vs. multi-line feed arrangement.<\/li>\n<li><strong>Film Specifications:<\/strong> Tube film roll dimensions, target film thickness (\u00b5m), brand printing alignment, and labeling requirements.<\/li>\n<li><strong>Discharge Logistics:<\/strong> Powered roll-out table, lateral pneumatic transfer arms, or direct integration with automated master bundling and palletizing lines.<\/li>\n<\/ol>\n<h2 id=\"safety\">Safety<\/h2>\n<p>Every packaging cell is engineered to comply with harmonized European and international machinery safety directives:<\/p>\n<ul>\n<li><strong>EN ISO 12100:2010:<\/strong> Comprehensive mechanical risk assessment and hazard mitigation across all operator interfaces.<\/li>\n<li><strong>EN 415-10:<\/strong> Specialized safety requirements for modular packaging machines, wrapping cells, and in-feed singulators.<\/li>\n<li><strong>EN 60204-1:<\/strong> Industrial electrical compliance, featuring emergency stop circuits, phase monitoring, and Cat. 4 safety interlocks.<\/li>\n<\/ul>\n<p>Rigid perimeter safety interlock fences, polycarbonate inspection shields over the rotary wrapping ring, and light-curtain-guarded in-feed zones ensure that opening any access gate brings all moving carriages and pneumatic cylinders to an immediate, fail-safe stop.<\/p>\n<h2 id=\"engineering-faq\">Engineering FAQ<\/h2>\n<p><strong>Q: Can the machine switch between different pipe diameters and bundle counts quickly?<\/strong>\nA: Yes. Recipe-driven job parameters are stored in the Siemens or Omron PLC touchscreen. Operators adjust the singulation gate width and select the stored recipe in under 5 minutes without replacing mechanical tooling.<\/p>\n<p><strong>Q: Why wrap stretch film bands around the bundle if it is already covered by a full outer bag?<\/strong>\nA: Banding the bundle with LLDPE film locks the conduits into a rigid geometry. Without localized intermediate banding, loose pipes expand radially inside the bagger throat, causing the pipe ends to catch, skew, and jam against the bag sleeve during insertion.<\/p>\n<p><strong>Q: Can this machine be adapted for single-pipe bagging?<\/strong>\nA: Yes. We manufacture single-conduit bagging units specifically engineered for large-diameter drainage, plumbing, or high-gloss architectural profiles requiring standalone scratch protection.<\/p>\n<h2 id=\"next-step\">Next step<\/h2>\n<ol>\n<li><strong>Send your operational parameters<\/strong>\u2014pipe OD range, cutting lengths, target bundle counts, and line speed\u2014to <strong>info@fhopepack.com<\/strong>.<\/li>\n<li><strong>Our packaging team calculates<\/strong> your required bundling kinematics, bag flat width allowances, and layout footprint.<\/li>\n<li><strong>Receive a formal proposal and equipment layout drawing within 24 hours.<\/strong><\/li>\n<\/ol>\n<h2 id=\"related-reading\">Related reading<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.fhopepack.com\/Pipe-packing-machine\/bagging-machine.html\">Pipe bundle bag packing machine (product)<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/Plastic-Pipe-Packing-Line\/\">Plastic pipe packing line<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/online-pvc-pipe-strapping-and-bagging-line\/\">Online PVC pipe strapping and bagging line<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/offline-pvc-pipe-strapping-and-bagging-line\/\">Offline PVC pipe strapping and bagging line<\/a><\/li>\n<\/ul>\n<h2 id=\"sources\">Sources<\/h2>\n<ul>\n<li>FHOPE Engineering Technical Documentation: Automated Pipe Bundling and Sleeving Series.<\/li>\n<li>EN ISO 12100:2010 <em>Safety of machinery \u2014 General principles for design \u2014 Risk assessment and risk reduction<\/em>.<\/li>\n<li>EN 415-10 <em>Safety of packaging machines \u2014 General requirements<\/em>.<\/li>\n<li>EN 60204-1 <em>Safety of machinery \u2014 Electrical equipment of machines \u2014 General requirements<\/em>.<\/li>\n<\/ul>\n<p><strong>Last reviewed:<\/strong> 2026-10-20<\/p>","protected":false},"excerpt":{"rendered":"<p>Executive summary Small PVC, PPR, and PE pipes exit modern extrusion haul-offs faster than manual packing crews can verify, group, strap, and bag them. 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