{"id":385,"date":"2018-04-19T03:16:14","date_gmt":"2018-04-19T03:16:14","guid":{"rendered":"http:\/\/www.fhopepack.com\/videos\/?p=385"},"modified":"2026-11-05T18:00:09","modified_gmt":"2026-11-05T18:00:09","slug":"semiauto-stretch-orbital-wrapping-machine","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/semiauto-stretch-orbital-wrapping-machine\/","title":{"rendered":"Semi-Automatic Orbital Stretch Wrapping Machine for Long Profiles"},"content":{"rendered":"<blockquote>\n<p><strong>Executive summary<\/strong>\nAn orbital stretch wrapper turns a ring of film around a long load while rollers feed it through, so a profile many metres long is wrapped continuously as it passes.\nOur semi-automatic configuration pairs a rigid ring rotation system with driven roller tables on both the infeed and outfeed sides. The operator secures the film leading edge at infeed and cuts the tail at outfeed, while the motorized ring and conveyor drive the wrapping cycle.\nOverlap consistency is dictated by the mechanical relationship between <strong>feed speed<\/strong> and <strong>ring speed<\/strong>, both configurable to meet bundle protection requirements.<\/p>\n<\/blockquote>\n<iframe loading=\"lazy\" width=\"940\" height=\"535\" src=\"https:\/\/www.youtube.com\/embed\/zcO2MbZxNUY\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<hr \/>\n<h2 id=\"table-of-contents\">Table of Contents<\/h2>\n<ul>\n<li><a href=\"#what-the-machine-does\">What the machine does<\/a><\/li>\n<li><a href=\"#how-it-works\">How semi-automatic orbital wrapping works<\/a><\/li>\n<li><a href=\"#overlap\">Film overlap: feed speed vs ring speed<\/a><\/li>\n<li><a href=\"#film\">Film per profile<\/a><\/li>\n<li><a href=\"#controls-and-safety\">Controls and safety<\/a><\/li>\n<li><a href=\"#selection-checklist\">Selection checklist for a semi-automatic orbital wrapper<\/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=\"what-the-machine-does\">What the machine does<\/h2>\n<p>A horizontal orbital stretch wrapper lays protective film spirals around long products\u2014aluminium extrusions, plastic profiles, steel bars or tube bundles\u2014that travel across motorized roller beds and pass axially through a rotating ring.<\/p>\n<p>The frame carries a balanced rotary ring with a film delivery carriage. As the workpiece advances through the ring opening, stretch film unwinds under controlled tension into a continuous sleeve along the full bundle length. Driven outfeed rollers support the finished work and limit deflection or scuffing on discharge.<\/p>\n<h2 id=\"how-it-works\">How semi-automatic orbital wrapping works<\/h2>\n<p>Semi-automatic wrapping splits the work between machine motion and manual handling at the cycle boundaries:<\/p>\n<table>\n<thead>\n<tr>\n<th>Step<\/th>\n<th>Operation phase<\/th>\n<th>Responsible party<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Load profile\/bundle onto motorized infeed roller conveyor<\/td>\n<td>Operator or overhead crane<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Tie or clamp film leading edge to front end of workpiece<\/td>\n<td>Operator<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Activate cycle: synchronized ring rotation and linear feed travel<\/td>\n<td>Machine automated drive<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Stop ring rotation at outfeed, sever film web, and wipe tail<\/td>\n<td>Operator<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Transfer wrapped bundle to staging area or secondary packaging<\/td>\n<td>Operator or overhead crane<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Once started by foot pedal or push button, ring rotation and axial feed run synchronously; the operator does not guide the workpiece in transit, which keeps tension and layer pitch uniform along the length.<\/p>\n<h2 id=\"overlap\">Film overlap: feed speed vs ring speed<\/h2>\n<p>Each full turn of the rotary ring applies one band of stretch film. Because the load advances continuously during rotation, the axial advance pitch per revolution determines overlap coverage:<\/p>\n<p><strong>Advance per turn = Feed speed \u00f7 Ring speed<\/strong><\/p>\n<p>Illustrative calculation based on standard 250 mm film width set for a 50% target overlap:<\/p>\n<table>\n<thead>\n<tr>\n<th>Calculation step<\/th>\n<th>Parameter<\/th>\n<th>Engineering value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Target linear advance<\/td>\n<td>Half of 250 mm film width<\/td>\n<td>125 mm per turn<\/td>\n<\/tr>\n<tr>\n<td>Required feed speed<\/td>\n<td>Advance pitch \u00d7 Ring rotary speed<\/td>\n<td>125 mm \u00d7 Ring speed (r\/min)<\/td>\n<\/tr>\n<tr>\n<td>Travel time (6 m bundle)<\/td>\n<td>Total bundle length \u00f7 Feed speed<\/td>\n<td>6,000 mm \u00f7 Feed speed (m\/min)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>For denser overlap (moisture protection, sharp corners), slow the conveyor or speed up the ring; faster feed cuts film use per metre. The <a href=\"https:\/\/www.fhopepack.com\/Customize-orbital-wrapper\/Rod_wrapping_machine.html\">horizontal ring stretch wrapper and packing machine<\/a> holds overlap between 20% and 90% across profile geometries. Whenever ring speed changes, feed speed must change with it to keep overlap uniform.<\/p>\n<h2 id=\"film\">Film per profile<\/h2>\n<p>The following derived calculation estimates theoretical film usage for a rectangular profile bundle (200 mm width \u00d7 100 mm height, 6 m length) wrapped at an advance pitch of 125 mm per revolution:<\/p>\n<table>\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Calculation formula<\/th>\n<th>Derived value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bundle cross-sectional perimeter<\/td>\n<td>2 \u00d7 (200 mm + 100 mm)<\/td>\n<td>600 mm (0.6 m)<\/td>\n<\/tr>\n<tr>\n<td>Wrap revolutions required per meter<\/td>\n<td>1,000 mm \u00f7 125 mm pitch<\/td>\n<td>8 turns\/m<\/td>\n<\/tr>\n<tr>\n<td>Net film applied per linear meter<\/td>\n<td>8 turns \u00d7 0.6 m perimeter<\/td>\n<td>4.8 m\/m<\/td>\n<\/tr>\n<tr>\n<td>Total film applied on 6 m profile<\/td>\n<td>6 m \u00d7 4.8 m\/m<\/td>\n<td>~28.8 m (approx. 29 m)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Note on consumption variables:<\/em> This estimate covers only the progressive spiral body wrap. Reinforcement wraps added at the leading and trailing ends (typically 2 to 3 stationary turns per end) must be added to gross consumption. In addition, these values reflect unstretched film length laid on the workpiece; equipped mechanical or powered pre-stretch carriages extend film yield, meaning less master roll length is paid out per bundle.<\/p>\n<h2 id=\"controls-and-safety\">Controls and safety<\/h2>\n<p>Orbital wrappers feature high-speed rotational inertia within the main chassis. Standard installations incorporate physical interlocked perimeter enclosure guards or protective mesh screens.<\/p>\n<ul>\n<li><strong>Operator protocol:<\/strong> Operators must never reach into the rotating ring envelope during operational cycles. Film clamping, cutting, and tail adherence must occur only when the ring is in a verified standstill condition.<\/li>\n<li><strong>Compliance standards:<\/strong> For CE destination markets, system risk assessment complies with <strong>ISO 12100:2010<\/strong>, and packaging machinery safety integration satisfies general design requirements per <strong>EN 415-10:2014<\/strong>.<\/li>\n<\/ul>\n<h2 id=\"selection-checklist\">Selection checklist for a semi-automatic orbital wrapper<\/h2>\n<p>Evaluate the following operational parameters before finalizing system specifications:<\/p>\n<ul>\n<li><strong>Cross-section:<\/strong> width, height and OD. Compact sections (OD 10\u2013200 mm) suit bench-type units such as the <a href=\"https:\/\/www.fhopepack.com\/Semiauto-horizontal-wrapper\/Semiauto-horizontal-orbital-wrapper-S200.html\">Semiauto horizontal stretch wrapper S200<\/a>; larger profiles (OD 200\u20132000 mm) need heavy-duty frames.<\/li>\n<li><strong>Length and support:<\/strong> minimum cut length (&gt;300 mm on compact units; 2,000\u20136,000 mm on structural bar equipment) and roller-bed length to prevent cantilever sag.<\/li>\n<li><strong>Weight:<\/strong> 10\u2013100 kg for compact loads, up to 1,000\u20134,000 kg for heavy structural bundles.<\/li>\n<li><strong>Throughput:<\/strong> bundles per hour or shift, which decides manual cutting versus automated clamp-and-cut.<\/li>\n<li><strong>Film:<\/strong> LLDPE 120\u2013200 mm wide, roll OD 150\u2013200 mm, core ID 50 mm, or barrier materials such as VCI film or paper.<\/li>\n<li><strong>Power:<\/strong> AC 380V 60Hz, 2.1 kW on compact lines; 380\/400\/415V 50\/60Hz, 6.5 kW on heavy-duty systems.<\/li>\n<\/ul>\n<h2 id=\"engineering-faq\">Engineering FAQ<\/h2>\n<p><strong>Q: What distinguishes a semi-automatic orbital wrapper from a fully automatic system?<\/strong>\nA: On a semi-automatic machine the conveyors and ring cycle automatically once started, but the operator attaches the film tail and cuts the web at the end. Fully automatic lines add clamp-and-cut units and sensors to close that loop.<\/p>\n<p><strong>Q: How is overlap ratio mechanically maintained during wrapping?<\/strong>\nA: Overlap ratio is fixed by the ratio of conveyor feed speed to ring rotational speed. Advance pitch per turn equals feed speed divided by ring speed. For instance, advancing 125 mm per turn using 250 mm film yields a consistent 50% overlap.<\/p>\n<p><strong>Q: How does workpiece geometry affect ring size selection?<\/strong>\nA: The ring internal diameter (ID) must accommodate the diagonal cross-section of the bundle, plus clearance margins for the rotating film carriage and pre-stretch roll assembly to pass safely without mechanical interference.<\/p>\n<p><strong>Q: Can a single machine wrap both individual profiles and bundled packs?<\/strong>\nA: Yes, provided the bundle or profile stays within the minimum and maximum cross-sectional limits of the ring and rests securely across conveyor drive rollers without catching between roller gaps.<\/p>\n<h2 id=\"next-step\">Next step<\/h2>\n<p>Our application engineering group verifies your profile packaging line in three direct steps:<\/p>\n<ol>\n<li><strong>Submit application drawings:<\/strong> Send profile cross-section profiles, length ranges, bundle weights, and target shift capacity to <strong>info@fhopepack.com<\/strong>.<\/li>\n<li><strong>Technical proposal within 24 to 48 hours:<\/strong> Receive layout plans, motor sizing calculations, and ring\/conveyor speed matching recommendations.<\/li>\n<li><strong>Engineering design review:<\/strong> Review conveyor pitch, roll carriage options, and electrical specifications with our technical engineering team prior to fabrication.<\/li>\n<\/ol>\n<h2 id=\"related-reading\">Related reading<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.fhopepack.com\/semiauto-horizontal-wrapper\/\">Semiauto Horizontal Wrapper Series Overview<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/Semiauto-horizontal-wrapper\/Semiauto-horizontal-orbital-wrapper-S200.html\">Semiauto horizontal stretch wrapper S200<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/Customize-orbital-wrapper\/Rod_wrapping_machine.html\">Horizontal ring stretch wrapper and packing machine<\/a><\/li>\n<\/ul>\n<h2 id=\"sources\">Sources<\/h2>\n<ul>\n<li>Packaging machinery safety standards: <a href=\"https:\/\/www.iso.org\/standard\/51528.html\">ISO 12100:2010<\/a> (Safety of machinery \u2014 General principles for design \u2014 Risk assessment and risk reduction)<\/li>\n<li>Packaging machine requirements: <a href=\"https:\/\/www.nen.nl\/en\/nen-en-415-10-2014-en-191845\">EN 415-10:2014<\/a> (Safety of packaging machines \u2014 General requirements)<\/li>\n<li>Machine in action: <a href=\"https:\/\/www.youtube.com\/watch?v=zcO2MbZxNUY\">FHOPE Official YouTube Channel<\/a><\/li>\n<\/ul>\n<p><strong>Last reviewed:<\/strong> 2026-11-05<\/p>","protected":false},"excerpt":{"rendered":"<p>Executive summary An orbital stretch wrapper turns a ring of film around a long load while rollers feed it through, so a profile many metres long is wrapped continuously as it passes. Our semi-automatic configuration [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2477,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Semi-Automatic Orbital Stretch Wrapper for Long Profiles","_seopress_titles_desc":"How our semi-automatic horizontal orbital stretch wrapper wraps long profiles: operator steps, how feed and ring speed set the overlap, and film per 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