{"id":15439,"date":"2026-09-21T01:57:29","date_gmt":"2026-09-21T01:57:29","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/?p=15439"},"modified":"2026-10-27T00:22:39","modified_gmt":"2026-10-27T00:22:39","slug":"engineering-design-principles-for-downstream-slit-steel-coil-finishing-balancing-structural-rigidity-and-delicate-coil-protection-during-tilting-and-strapping","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/engineering-design-principles-for-downstream-slit-steel-coil-finishing-balancing-structural-rigidity-and-delicate-coil-protection-during-tilting-and-strapping\/","title":{"rendered":"Slit Coil Strapping, Wrapping and Stacking Line: Protecting Coil Edges from Slitter Exit to Pallet"},"content":{"rendered":"<p>Industrial packaging of slit steel coils demands an automated approach that balances line throughput with complete edge protection. When narrow strips exit high-speed slitting lines at rates of dozens of cuts per hour, manual handling creates severe bottlenecks and increases the risk of edge crimping, surface scuffing, and coil telescoping. An engineered slit coil packaging line addresses these failure modes by integrating 90\u00b0 downending, through-the-eye radial strapping, orbital stretch wrapping, and automated gantry stacking into an uninterrupted, synchronized handling cell.<\/p>\n<p>This technical guide reviews the operational architecture of slit coil packaging systems, the mechanical design criteria required to eliminate contact damage, and the key sizing parameters to establish prior to equipment specification.<\/p>\n<blockquote>\n<p><strong>Executive Summary<\/strong>\nAn automated slit coil packing line converts raw, eye-horizontal coils from the slitter exit turnstile into palletized, fully wrapped bundles without manual crane intervention. Operating with coils positioned eye-vertical (eye-to-sky), the line utilizes polyurethane-sleeved roller conveyors, a descending lance strapping head for through-the-eye radial PET strapping, an orbital ring shuttle for comprehensive anti-corrosion barrier wrapping, and an ID-gripping gantry stacker. Every contact face is engineered to prevent edge burr deformation and surface friction on cold-rolled, galvanized, and non-ferrous strip coils.<\/p>\n<\/blockquote>\n<iframe loading=\"lazy\" width=\"1053\" height=\"592\" src=\"https:\/\/www.youtube.com\/embed\/t0VTJZBPU3w\" title=\"Slit Steel Coil Upending, Strapping, Labeling, Wrapping &amp; Stacking Line\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<hr \/>\n<h2>How a Slit Coil Packing Line Works<\/h2>\n<p>The slit coil packing line accepts individual split coils directly from the slitter exit turnstile and routes them through four coordinated automation stages: downending, strapping, wrapping, and palletizing.<\/p>\n<pre><code>[Slitter Turnstile]\n       \u2502 (Eye-Horizontal)\n       \u25bc\n[Stage 0: 90&deg; Downender] \u2500\u2500\u25ba (Rotates to Eye-Vertical)\n       \u2502\n       \u25bc\n[Stage 1: Radial Strapping] \u2500\u25ba (Lance passes PET through eye; 2-4 radial straps)\n       \u2502\n       \u25bc\n[Stage 2: Orbital Film Wrapping] \u2500\u2500\u25ba (Through-eye ring shuttle wraps VCI \/ PE film)\n       \u2502\n       \u25bc\n[Stage 3: Gantry Stacker] \u2500\u2500\u25ba (Pneumatic ID-clamp places coils on pallet with dunnage)<\/code><\/pre>\n<h3>Stage 0 \u2014 90\u00b0 Downending<\/h3>\n<p>Coils exit the slitter arbor in an eye-horizontal orientation. A heavy-duty hydraulic or electromechanical downender receives the coil onto a customized loading horn or cradle, lowering and tilting it 90\u00b0 into an eye-vertical (eye-to-sky) orientation onto the power roller conveyor. This orientation creates a stable base and allows vertical access through the inner core for all downstream packaging heads.<\/p>\n<h3>Stage 1 \u2014 Through-the-Eye Radial Strapping<\/h3>\n<p>The coil advances to a precision centering and indexing station. A heavy-duty strapping head positions itself directly above the core; a motorized strap chute lance extends downward through the coil bore. High-tensile PET (polyester) strap is fed through the eye, passed underneath, and tensioned along the outer diameter before being friction-welded. The indexing turntable indexes the coil through 90\u00b0 or 120\u00b0 steps to apply 2, 3, or 4 radial bands, clamping the wraps together to eliminate telescoping during cross-bay transport.<\/p>\n<h3>Stage 2 \u2014 Orbital Through-Eye Film Wrapping<\/h3>\n<p>The banded coil transfers into an orbital stretch wrapper equipped with a high-speed rotating ring. The ring carries an orbital film carriage that cycles continuously through the coil eye and around the outside diameter. As the coil rotates slowly on motorized polyurethane-coated support rollers, the film is applied in a continuous, overlapping spiral pattern (30% to 70% adjustable overlap). The film encapsulates the inner diameter, outer diameter, and both side faces, creating a tight, moisture-proof, and dust-impermeable barrier without any metal components touching the strip edges.<\/p>\n<h3>Stage 3 \u2014 Automated Gantry Stacking<\/h3>\n<p>The wrapped coil enters the stacking station. A rigid overhead gantry manipulator equipped with an internal expansion mandrel or bottom-supporting scissor claws lifts the coil cleanly by its core. The gantry moves along the X-Z axes to deposit the coil onto a timber pallet. By lifting strictly through the inner diameter or utilizing bottom support plates, the gripper avoids clamping the finished outer film wrap or bearing down against sensitive outer edge wraps.<\/p>\n<p>The structural frames for all stations are engineered from rigid, stress-relieved structural steel profiles to eliminate deflection under dynamic coil loading, ensuring optical and mechanical alignment between conveyor rollers and moving processing heads.<\/p>\n<hr \/>\n<h2>Contact-Point Engineering: Protecting the Coil Surface<\/h2>\n<p>The primary objective of automated slit coil packaging is total elimination of scrap caused by mechanical contact. When processing sensitive materials\u2014such as automotive exposed-panel steel, surface-critical stainless steel, bright copper, or soft aluminum alloys\u2014minor point-loading can create edge crimping or localized pressure marks that ruin an entire slit cut.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Machine Contact Point<\/th>\n<th style=\"text-align: left\">Physical Interface<\/th>\n<th style=\"text-align: left\">Engineered Protection Method<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\"><strong>Conveyor Rollers<\/strong><\/td>\n<td style=\"text-align: left\">Coil bottom face<\/td>\n<td style=\"text-align: left\">High-grade cast polyurethane sleeves (Shore A 85\u201390) prevent metal-to-metal rubbing and absorb impact shocks during transfer.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Centering Clamps<\/strong><\/td>\n<td style=\"text-align: left\">Coil outer diameter<\/td>\n<td style=\"text-align: left\">Dual pneumatic or hydraulic centering arms fitted with non-marking nylon or engineering polymer (UHMW-PE) rollers.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Strapping Banding<\/strong><\/td>\n<td style=\"text-align: left\">Inner bore &amp; outer corners<\/td>\n<td style=\"text-align: left\">Embossed PET strap (applied at 500\u20132200 N controlled tension); pneumatic corner-pad applicators are deployed when high-tensile steel strapping is required.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Wrapping Shuttle<\/strong><\/td>\n<td style=\"text-align: left\">Strip side faces &amp; core<\/td>\n<td style=\"text-align: left\">Completely non-contact ring orbit. Tension is maintained exclusively by the adjustable electromagnetic film brake (150%\u2013250% pre-stretch).<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Stacker Gripper<\/strong><\/td>\n<td style=\"text-align: left\">Coil bore (ID)<\/td>\n<td style=\"text-align: left\">Mandrel shoes lined with thick nitrile rubber or engineering polyurethane expand uniformly against the core, eliminating OD pinch points.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Stack Layer Separation<\/strong><\/td>\n<td style=\"text-align: left\">Intermediate coil faces<\/td>\n<td style=\"text-align: left\">Automated dunnage timber or circular corrugated cardboard spacers placed between layers to prevent interlayer abrasion.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>Stack Height Calculation &amp; Layer Engineering<\/h2>\n<p>Determining the stacking configuration requires analyzing coil geometry, pallet dimensions, overhead clearance, and stacker weight thresholds. Unlike theoretical calculations that assume zero gap, a production stacking formula must account for the height of the pallet and the thickness of protective dunnage spacers between coils.<\/p>\n<h3>Operational Calculation Model<\/h3>\n<p>The permissible number of coils per stack (<code>N_coils<\/code>) is determined by the total allowable stack height (<code>H_max<\/code>), pallet height (<code>H_pallet<\/code>), coil strip width (<code>W_coil<\/code>), and layer spacer thickness (<code>T_spacer<\/code>):<\/p>\n<p><code>N_coils &le; (H_max - H_pallet) &divide; (W_coil + T_spacer)<\/code><\/p>\n<h3>Engineering Worked Example:<\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Parameter Specification<\/th>\n<th style=\"text-align: left\">Engineering Value<\/th>\n<th style=\"text-align: left\">Unit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\">Coil Strip Width (<code>W_coil<\/code>)<\/td>\n<td style=\"text-align: left\">150<\/td>\n<td style=\"text-align: left\">mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Coil Outer Diameter (OD) \/ Inner Diameter (ID)<\/td>\n<td style=\"text-align: left\">1,200 \/ 508<\/td>\n<td style=\"text-align: left\">mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Individual Coil Weight (<code>M_coil<\/code>)<\/td>\n<td style=\"text-align: left\">350<\/td>\n<td style=\"text-align: left\">kg<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Wood Pallet Height (<code>H_pallet<\/code>)<\/td>\n<td style=\"text-align: left\">140<\/td>\n<td style=\"text-align: left\">mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Interlayer Timber Dunnage Thickness (<code>T_spacer<\/code>)<\/td>\n<td style=\"text-align: left\">25<\/td>\n<td style=\"text-align: left\">mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Total Allowable Clearance Height (<code>H_max<\/code>)<\/td>\n<td style=\"text-align: left\">1,400<\/td>\n<td style=\"text-align: left\">mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">Gantry Stacker Maximum Payload Capacity<\/td>\n<td style=\"text-align: left\">3,000<\/td>\n<td style=\"text-align: left\">kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Step 1: Compute stack count limit by height:<\/strong>\n<code>Available vertical clearance = 1,400 mm - 140 mm = 1,260 mm<\/code>\n<code>Effective pitch per packed coil layer = 150 mm + 25 mm = 175 mm<\/code>\n<code>Coil count by height = 1,260 mm &divide; 175 mm = 7.20 &rarr; 7 coils maximum<\/code><\/p>\n<p><strong>Step 2: Verify structural mass against stacker rating:<\/strong>\n<code>Total payload mass = 7 coils &times; 350 kg = 2,450 kg<\/code>\n<code>2,450 kg &le; 3,000 kg (Safe; within rated payload envelope)<\/code><\/p>\n<p>The stack recipe is safely configured in the PLC for a 7-coil stack, leaving 35 mm of clearance below the facility crane or racking hook limit.<\/p>\n<hr \/>\n<h2>Technical Parameters: Application Specification Matrix<\/h2>\n<p>Every automated packaging system is custom-configured to accommodate the upstream slitter&#8217;s specific dimensional spectrum, metallurgical grades, and cycle constraints:<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">Operational Parameter<\/th>\n<th style=\"text-align: left\">Engineering Options<\/th>\n<th style=\"text-align: left\">Primary Selection Drivers<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\"><strong>Banding Medium<\/strong><\/td>\n<td style=\"text-align: left\">PET (16\u201319 mm width) or High-Tensile Steel<\/td>\n<td style=\"text-align: left\">Surface sensitivity; cold-rolled\/coated coils mandate PET, while heavy hot-rolled pickled bands may require steel strap.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Radial Strap Count<\/strong><\/td>\n<td style=\"text-align: left\">2, 3, or 4 straps per coil<\/td>\n<td style=\"text-align: left\">Coil OD and minimum strip width (narrow coils &lt; 50 mm utilize 2 straps; wide coils utilize 3\u20134 straps).<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Film Chemistry &amp; Gauge<\/strong><\/td>\n<td style=\"text-align: left\">LLDPE Stretch Film (17\u201335 \u00b5m) \/ VCI Film \/ HDPE woven tape<\/td>\n<td style=\"text-align: left\">Atmospheric exposure, ocean-freight transit duration, and galvanic rust sensitivity of copper\/mild steel.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Film Overlap Rate<\/strong><\/td>\n<td style=\"text-align: left\">30% to 70% programmable overlap<\/td>\n<td style=\"text-align: left\">Environmental sealing requirements (anti-dust vs. full marine-grade waterproof packaging).<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Stacker Gripper Type<\/strong><\/td>\n<td style=\"text-align: left\">Three-jaw internal expanding mandrel \/ ID hook \/ Scissor tong<\/td>\n<td style=\"text-align: left\">Coil inner bore diameter range (e.g., 400 mm, 508 mm, 610 mm) and minimum inner wrap thickness.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>Conveyor Roller Pitch<\/strong><\/td>\n<td style=\"text-align: left\">100 mm to 200 mm motorized roller centers<\/td>\n<td style=\"text-align: left\">Minimum coil outer diameter to guarantee continuous contact across a minimum of three support rollers.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>Throughput Calculations &amp; Line Synchronization<\/h2>\n<p>The packaging cell cycle time must operate at a faster rate than the output cycle of the slitting head. If the packing cell cannot maintain pace, the slitter must pause between arbor dumps, creating idle time for high-value production equipment.<\/p>\n<h3>Typical Packing Station Cycle Time Budget:<\/h3>\n<ol>\n<li><strong>Infeed &amp; 90\u00b0 Downending<\/strong>: 20\u201330 s<\/li>\n<li><strong>Transfer &amp; Radial Strapping (3 Straps with Turntable Indexing)<\/strong>: 35\u201345 s<\/li>\n<li><strong>Through-the-Eye Orbital Wrapping (50% Overlap)<\/strong>: 25\u201340 s<\/li>\n<li><strong>Gantry Pick, Traverse &amp; Pallet Drop<\/strong>: 25\u201335 s<\/li>\n<\/ol>\n<p>By employing buffered accumulator roller conveyors between the strapping and orbital wrapping stations, modern lines overlap these sub-cycles. The net line cycle time is governed by the single slowest sub-process (typically through-the-eye strapping at <strong>35 to 45 seconds per coil<\/strong>), yielding a sustained throughput rate of <strong>80 to 100 slit coils per hour<\/strong>.<\/p>\n<hr \/>\n<h2>Safety Systems &amp; Standards Compliance<\/h2>\n<p>A continuous slit coil packing line operates multiple heavy servo, pneumatic, and hydraulic axes handling high-mass loads. Standard cell safety architecture incorporates:<\/p>\n<ul>\n<li><strong>Perimeter Safety Fencing:<\/strong> Physical wire mesh enclosures (minimum 2.0 m height) isolating all automated zones in compliance with ISO 14120.<\/li>\n<li><strong>Interlocked Guard Access:<\/strong> Dual-channel safety gate interlocks (PLe \/ Category 4 according to ISO 13849-1) with guard locking, cutting power to drives upon unauthorized entry.<\/li>\n<li><strong>Infeed\/Outfeed Safety Light Curtains:<\/strong> Multiple-beam optical light grids fitted with automated muting sensors to distinguish pallet movement from human entry.<\/li>\n<li><strong>Safety Interlock Architecture &amp; LOTO:<\/strong> Centralized Lockout\/Tagout energy isolation points for high-pressure pneumatics (dump valves) and electrical mains during strap replenishment or maintenance.<\/li>\n<li><strong>Emergency Stop Integration:<\/strong> Strategically located mushroom-head E-stop pushbuttons wired directly into a dedicated safety PLC or safety relay loop.<\/li>\n<\/ul>\n<p>For installations in Europe and international jurisdictions, equipment complies fully with <strong>ISO 12100:2010<\/strong> (Safety of machinery \u2014 General principles for design), <strong>EN 415-10:2014<\/strong> (Safety requirements for packaging machines), and <strong>IEC 60204-1<\/strong> (Electrical equipment of machines).<\/p>\n<hr \/>\n<h2>Engineering Selection Checklist<\/h2>\n<p>When preparing an inquiry or Request for Quotation (RFQ) for an automated slit coil packaging line, confirm the following technical data:<\/p>\n<ul>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Coil Dimensional Envelope:<\/strong> Minimum and maximum Outer Diameter (OD), Inner Diameter (ID), and Strip Width (gauge thickness).<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Coil Weight Profile:<\/strong> Minimum and maximum piece weight per slit cut; target total pallet bundle weight.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Material Metallurgy &amp; Surface Condition:<\/strong> Cold-rolled, hot-rolled pickled &amp; oiled (HRPO), galvanized, aluminum, stainless steel, or copper.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Surface Protection Requirements:<\/strong> Painted, bright annealed, polished, or oiled strip surfaces requiring zero-scuff handling.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Banding Specification:<\/strong> Required number of through-the-eye straps (2, 3, or 4); preference for PET or steel strapping.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Wrapping Specification:<\/strong> Stretch film, VCI anti-corrosion film, crepe paper, or combined multi-layer wrap.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Target Upstream Output:<\/strong> Net coils per hour produced by the slitting line at peak operation.<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Pallet Specifications:<\/strong> Timber pallet dimensions (length \u00d7 width \u00d7 height) and stacking arrangement (single stack or 2\u00d72 arrangement).<\/li>\n<li style=\"margin-left:-1.25em;list-style-type:none\"><input type=\"checkbox\" disabled=\"disabled\" \/> <strong>Floor Layout &amp; Elevation:<\/strong> Available bay footprint, floor load-bearing capacity, conveyor pass-line height, and slitter turnstile centerline alignment.<\/li>\n<\/ul>\n<hr \/>\n<h2>Frequently Asked Questions (FAQ)<\/h2>\n<h3>What is the primary difference between eye-to-sky strapping and eye-horizontal strapping?<\/h3>\n<p>Eye-to-sky (eye-vertical) strapping handles coils resting flat on their side faces. This orientation stabilizes narrow slit cuts, preventing tip-over and enabling automatic through-the-eye strapping and subsequent stacking on timber pallets without overhead crane balancing. Eye-horizontal strapping is typically reserved for master coils or broad slit cuts mounted on turnstiles.<\/p>\n<h3>Why is PET strap preferred over steel strap for slit steel coils?<\/h3>\n<p>PET strapping delivers high retained tension and elastic shock absorption during thermal expansion without cutting into sharp or soft strip edges. In addition, PET strap eliminates rust contamination and is significantly safer for downstream factory operators to cut and remove without whip-lash injury risks.<\/p>\n<h3>How does the orbital wrapper apply film through the center of the coil?<\/h3>\n<p>The orbital wrapper features an open-center rotary ring structure holding a motorized or pre-tensioned film shuttle. During operation, the ring rotates through the internal bore of the vertically positioned coil while motorized bottom rollers turn the coil horizontally about its vertical axis, creating a continuous, overlapping 360\u00b0 helical wrap.<\/p>\n<h3>Can the line automatically deposit wooden spacers between stacked coils?<\/h3>\n<p>Yes. Turnkey gantry stackers can be equipped with an auxiliary vacuum or mechanical suction beam that fetches timber dunnage sticks or corrugated spacer disks from an adjacent magazine and positions them precisely onto the coil face prior to picking the next cut.<\/p>\n<hr \/>\n<h2>Next Steps for Project Engineering<\/h2>\n<p>A turnkey slit coil strapping, wrapping, and stacking system is engineered to your exact plant throughput:<\/p>\n<ol>\n<li><strong>Submit Line Specifications:<\/strong> Send your coil size distribution (ID\/OD\/Width), weights, strip surface grades, and slitter exit drawings to <strong>info@fhopepack.com<\/strong>.<\/li>\n<li><strong>Receive Technical Proposal Within 48 Hours:<\/strong> Obtain a detailed 2D\/3D plant layout drawing, cycle time analysis, utility requirements, and an official performance guarantee.<\/li>\n<li><strong>Engineering Site Survey &amp; Interface Review:<\/strong> Finalize PLC fieldbus integration (Profinet, Ethernet\/IP), mechanical pass-line synchronization, and safety zoning with FHOPE technical engineers.<\/li>\n<\/ol>\n<hr \/>\n<h2>Related Engineering Reading<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/technical-architecture-turnstile-integrated-slit-coil-strapping-machine\/\">Turnstile Slit Coil Strapping Machine Systems<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/next-generation-steel-coil-packaging-solutions-integrated-stretch-wrapping-and-stacking-technology\/\">Slit Coil Stretch Wrapping and Automated Stacking Lines<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/videos\/automated-copper-coil-packaging-line-from-upending-strapping-to-stacking-without-surface-damage\/\">Automated Copper Strip Coil Packing Solutions<\/a><\/li>\n<li><a href=\"https:\/\/www.fhopepack.com\/Automatic-Coil-Packing-Line\/slit-coil-packing.html\">High-Speed Automatic Slit Coil Packing Lines \u2014 Product Technical Overview<\/a><\/li>\n<\/ul>\n<hr \/>\n<h2>Reference Sources &amp; Standards<\/h2>\n<ul>\n<li><strong>Machinery Safety Standards:<\/strong> <a href=\"https:\/\/www.iso.org\/standard\/51528.html\">ISO 12100:2010<\/a> (Risk assessment and risk reduction for industrial machinery); <a href=\"https:\/\/www.nen.nl\/en\/nen-en-415-10-2014-en-191845\">EN 415-10:2014<\/a> (Safety requirements for packaging and bundling machinery).<\/li>\n<li><strong>Control System Reliability:<\/strong> <a href=\"https:\/\/www.iso.org\/standard\/69883.html\">ISO 13849-1<\/a> (Safety-related parts of control systems \u2014 Functional Safety).<\/li>\n<li><strong>Engineering Design &amp; Technical Content:<\/strong> FHOPE Industrial Automation &amp; Coil Packaging Engineering Division.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Industrial packaging of slit steel coils demands an automated approach that balances line throughput with complete edge protection. When narrow strips exit high-speed slitting lines at rates of dozens of cuts per hour, manual handling [&hellip;]<\/p>","protected":false},"author":4,"featured_media":15448,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Slit Coil Strapping, Eye-Through Wrapping and Stacking Line","_seopress_titles_desc":"Our slit coil line straps each coil through the eye, wraps it eye-through with film and stacks it on a pallet without marking the coil edges: clip and 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