{"id":1204,"date":"2018-06-27T04:56:11","date_gmt":"2018-06-27T04:56:11","guid":{"rendered":"https:\/\/www.fhopepack.com\/videos\/?p=1204"},"modified":"2026-10-27T06:18:57","modified_gmt":"2026-10-27T06:18:57","slug":"sandwich-panel-wrapping-machine-and-packing-machine","status":"publish","type":"post","link":"https:\/\/www.fhopepack.com\/videos\/sandwich-panel-wrapping-machine-and-packing-machine\/","title":{"rendered":"Sandwich Panel Wrapping Machine: Orbital Stretch Wrap Inline"},"content":{"rendered":"
> **Executive Summary**\n> A horizontal orbital sandwich panel wrapping machine secures an entire continuous stack of architectural or cold-storage insulated panels in pre-stretched film as it traverses a motorized roller bed through a high-speed rotating ring. This automated in-line process converts loose panels into a rigid, weatherproof, and transit-ready bundle without secondary off-line staging. In the operational benchmark below, an industrial panel bundle enters the wrapping envelope at approximately 6 s and emerges fully encapsulated at 28 s, achieving an effective cycle throughput of under 25 seconds per bundle.\n> Engineered for heavy-duty composite lines, the Fhopepack E1800 orbital wrapping system accommodates panel bundles exceeding 1,200 mm in length, 400 to 1,800 mm in cross-sectional width, and 50 to 1,500 mm in stack height, configured specifically to match plant-specific roll-forming and laminating takt speeds.\n\n<iframe width="940" height="535" src="https:\/\/www.youtube.com\/embed\/irL1-Xp-Rzc" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen><\/iframe>\n\n---\n\n<h2 id="table-of-contents">Table of Contents<\/h2>\n\n<ul>\n<li><a href="#video">Automated Wrapping Sequence Breakdown<\/a><\/li>\n<li><a href="#why">Why Sandwich Panels Require Orbital Stretch Wrapping<\/a><\/li>\n<li><a href="#cycle">Wrapping Cycle Time and Kinematic Analysis<\/a><\/li>\n<li><a href="#specs">E1800 Technical Specifications<\/a><\/li>\n<li><a href="#takt">Line Takt Synchronization and Overlap Calculation<\/a><\/li>\n<li><a href="#selection-checklist">Engineering Selection Checklist for Sandwich Panel Lines<\/a><\/li>\n<li><a href="#safety">Machine Controls and Operational Safety<\/a><\/li>\n<li><a href="#engineering-faq">Engineering FAQ<\/a><\/li>\n<li><a href="#next-step">System Sizing and Project Integration<\/a><\/li>\n<li><a href="#related-reading">Related Technical Resources<\/a><\/li>\n<li><a href="#sources">Reference Standards and Machine Documentation<\/a><\/li>\n<\/ul>\n\n<h2 id="video">Automated Wrapping Sequence Breakdown<\/h2>\n\nThe E1800 orbital system is built on a high-rigidity structural steel gantry housing a dynamically balanced aluminum alloy rotating ring, positioned inline between driven polyurethane-coated infeed and outfeed roller tables. Stacks of polyurethane (PUR\/PIR) or mineral rock-wool architectural panels (typically 10 to 12 panels per bundle) transition through the wrapping envelope in a continuous, automated workflow:\n\n1. **0 to 4 s (Infeed Staging & Optical Sensing):** The infeed conveyor receives the de-stacked panel bundle. The pneumatic vertical hold-down rollers and side-guiding rollers align the stack along the conveyor centerline. Photocell sensors verify stack presence and profile dimensions, transmitting trigger pulses to the main PLC while the operator oversees staging from the HMI enclosure.\n2. **6 to 10 s (Film Clamping & Ring Acceleration):** The bundle leads into the 1,800 mm orbital ring throat. A pneumatic mechanical arm clamps and introduces the stretch film tail against the leading edge. The rotating ring accelerates synchronously via dual variable-frequency drives (VFD), applying initial multi-layer stabilization wraps around the leading end.\n3. **12 to 18 s (Continuous Dynamic Spiral Encapsulation):** The motorized conveyor advances the stack forward at a controlled line speed while the orbital ring rotates at constant angular velocity. The mechanical friction\/pre-stretch carriage dispenses linear low-density polyethylene (LLDPE) film along the stack periphery, establishing a consistent 30% to 50% overlap spiral along the product body.\n4. **20 to 28 s (Trailing Edge Reinforcement, Cut & Wipe):** As the bundle tail clears the wrapping plane, the ring performs programmable reinforcement wraps. An integrated pneumatic hot-blade or mechanical shear cuts the film web, while a brush\/pneumatic wipe arm secures the trailing film tail smoothly against the bundle body. The rigid, unified stack discharges onto the outfeed table.\n5. **30 to 58 s (Continuous Non-Stop Inline Infeed):** The subsequent stack—featuring surface protection films—indexes directly into the wrapping envelope without resetting conveyor inertia, proving continuous high-volume capability.\n6. **60 to 76 s (Outfeed Staging & Material Handling Clearance):** The fully wrapped bundle dwells on the discharge conveyor, ready for overhead bridge crane vacuum lifters or industrial fork-truck removal, with overhead safety clearances maintained throughout the cycle.\n\n<h2 id="why">Why Sandwich Panels Require Orbital Stretch Wrapping<\/h2>\n\nInsulated composite sandwich panels (PIR, PUR, EPS, and Rock Wool) feature pre-painted steel, aluminum, or stainless outer skins that are vulnerable to friction scuffing, edge chipping, and micro-deformation. Furthermore, tongue-and-groove joint profiles can easily crack under localized strapping pressure:\n\n- **Surface and Edge Integrity:** Loose panels vibrate against each other during over-the-road freight, leading to coating abrasion. Continuous orbital wrapping applies uniform circumferential containment force (15 to 45 N), binding the individual sheets into an indivisible monolithic unit without concentrated mechanical stress.\n- **Environmental Hermetic Sealing:** Spiral wrapping repels airborne particulates, job-site dust, and direct rain exposure, protecting moisture-sensitive rock-wool cores from water absorption and preventing galvanic corrosion between metal skins.\n- **Rigid Bundling for Material Handling:** A wrapped bundle exhibits high torsional stiffness, preventing stack shifting during forklift handling, flatbed transit, and crane hoisting.\n- **Zero-Lift Inline Processing:** Unlike conventional turntable wrappers that require vertical pallet loading and turntable spinning, a horizontal orbital machine encapsulates bundles horizontally directly on the roll-forming runout line, eliminating product drops and secondary manual handling.\n\n| Wrapper Setting | Primary Process Control | Engineering Target |\n|---|---|---|\n| **Conveyor Speed (m\/min)** | Axial bundle velocity through the ring | Line takt synchronization and wrap cycle duration |\n| **Ring Speed (RPM)** | Circumferential wraps per linear meter | Bundle structural rigidity and containment force |\n| **Film Pre-Stretch Ratio (%)** | Film elongation prior to laydown (up to 250%) | Yield optimization, puncture resistance, and cost per bundle |\n| **Ring Clearance Envelope (mm)** | Geometric opening minus carriage projection | Mechanical clearance for diagonal stack profiles |\n\n<h2 id="cycle">Wrapping Cycle Time and Kinematic Analysis<\/h2>\n\n| Operational Phase | Clip Timestamp Window | Phase Duration | Process Function |\n|---|---|---|---|\n| **Lead-in & Clamping** | 6 s to 10 s | 4 s | Stack positioning, optical gating, film tail clamp engagement |\n| **Spiral Wrap Travel** | 12 s to 18 s | 6 s | Continuous helical stretch wrapping along bundle length |\n| **Tail Reinforcement & Cut** | 20 s to 28 s | 8 s | End-wrap reinforcement, automated cutting, pneumatic tail wipe |\n| **Total Transfer Cycle** | 6 s to 28 s | 22 s | Complete physical containment cycle per bundle |\n\n*Note: Cycle intervals are derived from sensor-triggered video telemetry. Cumulative transfer times include deceleration, end wraps, and pneumatic cut sequences.*\n\nOn continuous production lines, machine takt is governed strictly by conveyor feed velocity. With the E1800 operating within an adjustable conveyor speed of 4 to 15 m\/min, a standard 6.0 m architectural panel stack clears the ring in 24 to 90 seconds depending on the selected overlap ratio:\n\n- At `V_conveyor = 12 m\/min` and `Ring Speed = 48 RPM`: A 6 m stack passes in 30 seconds.\n- Panel lengths up to 12.0 m or 16.0 m scale proportionally without requiring machine reconfiguration.\n\n<h2 id="specs">E1800 Technical Specifications<\/h2>\n\nThe physical wrapping envelope requires that the maximum stack diagonal plus mechanical clearance remains strictly within the effective rotating ring aperture.\n\n| Engineering Parameter | Industrial Rating \/ Technical Specification |\n|---|---|\n| **Stack Length Capacity** | 1,200 mm to 16,000+ mm (conveyor extended) |\n| **Stack Width Range (W)** | 400 mm to 1,800 mm |\n| **Stack Height Range (H)** | 50 mm to 1,500 mm |\n| **Maximum Effective Diagonal (D_eff)** | 1,800 mm (including film carriage operating path) |\n| **Cross-Section Limit Rule** | `√(W² + H²) + 2 × C_clearance ≤ Ring Internal Diameter` |\n| **Infeed \/ Outfeed Conveyor Units** | 2,000 mm standard (custom multi-stage lengths available) |\n| **Conveyor Line Speed** | 4 to 15 m\/min (Variable Frequency Inverter Control) |\n| **Ring Rotation Velocity** | 10 to 60 RPM (Dynamic balanced dual-ring design) |\n| **Main Drive Power Rating** | 4.5 kW to 6.5 kW, AC 380 V \/ 480 V, 50\/60 Hz, 3-Phase |\n| **Compatible Stretch Media** | LLDPE Cast\/Blown stretch film, PE film, or VCI anti-corrosion film |\n| **Film Roll Parameters** | Width: 250, 300, or 500 mm; Core Diameter: 76 mm; OD: ≤ 260 mm |\n| **Operating Pneumatic Supply** | 0.5 to 0.7 MPa (Filtered, dry compressed air) |\n\n<h2 id="takt">Line Takt Synchronization and Overlap Calculation<\/h2>\n\nAchieving an unbroken protective barrier without wasting consumable film requires calculating the axial travel pitch per ring revolution:\n\n`Pitch (mm\/rev) = (V_conveyor × 1000) \/ RPM`\n\nThe resulting helical film overlap percentage is calculated as:\n\n`Overlap (%) = [(W_film - Pitch) \/ W_film] × 100%`\n\n*Example Calculation:*\n- Given Conveyor Speed `V_conveyor = 8 m\/min`, Ring Speed `RPM = 40`, and Film Width `W_film = 500 mm`:\n- `Pitch = (8 × 1000) \/ 40 = 200 mm\/rev`\n- `Overlap = [(500 - 200) \/ 500] × 100% = 60%`\n\nIf the continuous sandwich panel laminator outputs composite panels at a steady linear rate of 8 m\/min, the orbital wrapper conveyor must be set to run at `≥ 8 m\/min` (well inside its 4 to 15 m\/min operational window). The ring speed is then indexed directly via PLC encoder tracking to maintain the required 50% to 60% dustproof overlap regardless of line speed fluctuations.\n\n<h2 id="selection-checklist">Engineering Selection Checklist for Sandwich Panel Lines<\/h2>\n\nWhen specifying an orbital stretch wrapper for a continuous panel line, plant managers should evaluate the following criteria:\n\n- **Cross-Section Diagonal Verification:** Calculate the true bundle envelope: `√(W_max² + H_max²)`. Ensure the bundle corner profile clears the internal ring cavity with a minimum safety margin `C_clearance ≥ 100 mm` away from the film carriage frame.\n- **Core-Density Surface Sensitivity:** For soft PIR\/PUR cores or low-density rock wool, verify that the wrapper includes pneumatic top hold-down rollers with proportional pressure regulators to prevent edge crushing.\n- **Continuous Production Takt:** Match the wrapper's maximum throughput (m\/min) to the upstream continuous roll-former\/double-belt laminator cycle to prevent packaging bottlenecks.\n- **End-Encapsulation Requirements:** Determine whether panels require open-ended spiral containment or complete six-sided waterproof protection (which requires integrated PE film front\/back sheet dispensers).\n- **Conveyor Height & Roller Geometry:** Confirm roller centerline elevation and roll pitch to prevent panel sag, deflection, or tongue damage during transfer.\n- **Downstream Logistics Interface:** Align outfeed roller staging with automated cross-transfer cars, gantry vacuum de-stackers, or forklift safety corridors.\n\n<h2 id="safety">Machine Controls and Operational Safety<\/h2>\n\nThe rotating ring of an orbital wrapper possesses high angular momentum, and the powered roller beds create pinch hazards. The E1800 platform integrates active safety architecture compliant with international industrial standards:\n\n- **Perimeter Guarding & Safety Interlocks:** In accordance with **EN 415-10** (Safety requirements for packaging machines) and **ISO 12100**, the machine envelope is secured by 2.0 m interlocked mesh guarding panels and dual-channel optical safety light curtains at conveyor access portals.\n- **E-Stop & Braking Dynamics:** The ring drive utilizes dynamic regenerative braking paired with electromechanical brake motors, achieving full rotational standstill in under 1.5 seconds upon E-stop actuation or safety circuit interruption (Performance Level d \/ Cat. 3 compliant).\n- **Maintenance Lockout\/Tagout (LOTO):** Compliant with **OSHA 29 CFR 1910.147**, all high-voltage electrical isolators and main pneumatic dump valves feature padlockable lockout stations. Ring maintenance, film re-threading, and cutter blade adjustment must be conducted under verified zero-energy state.\n- **Top Hold-Down Pinch Protection:** Pneumatic vertical stabilization rollers incorporate anti-drop check valves to prevent vertical carriage descent during sudden pneumatic pressure loss.\n\n<h2 id="engineering-faq">Engineering FAQ<\/h2>\n\n**Q: Can the E1800 wrap bundles with dimensions of 1,800 mm width and 1,500 mm height simultaneously?**\nA: No. While 1,800 mm is the maximum width rating and 1,500 mm is the maximum height rating, they represent boundary envelopes that cannot occur together. A bundle measuring 1,800 mm × 1,500 mm yields a geometric diagonal of `√(1800² + 1500²) ≈ 2,343 mm`, exceeding the ring's 1,800 mm internal passage envelope. Maximum permissible height at 1,800 mm width is limited by the circular arc and carriage clearance.\n\n**Q: How does the system prevent crushing the delicate tongue-and-groove joint profiles of PIR cold-storage panels?**\nA: Film containment force is controlled through an adjustable magnetic powder brake or a powered pre-stretch carriage with closed-loop load-cell feedback.\u51fa\u819c\u5f20\u529b maintains a stable 15 to 45 N window, and pneumatic top hold-down assemblies use dual-pressure regulators (high pressure for initial clamping, low pressure during transit) to eliminate joint distortion.\n\n**Q: What is the maintenance interval for the primary ring drive mechanism?**\nA: The high-tensile friction drive ring operates on heavy-duty polyurethane support wheels. We recommend visual wheel inspection and ring surface cleaning every 500 operating hours, bearing lubrication every 2,000 hours, and pneumatic cutter blade sharpening or replacement every 100,000 wrapping cycles.\n\n<h2 id="next-step">System Sizing and Project Integration<\/h2>\n\nTo configure an inline orbital packaging system tailored to your panel laminating speed and plant footprint:\n\n1. **Submit Line Specifications:** Send your maximum bundle dimensional matrix (L × W × H), panel profile drawings, core material density, and laminator line speed (m\/min) to our engineering division at **info@fhopepack.com**.\n2. **Receive 3D Layout & Takt Simulation (Within 48 Hours):** Our mechanical design team provides a complete layout proposal, including roller bed spacing, film consumption models, and cycle-time validation.\n3. **Site & Integration Review:** Connect with our automation engineers to coordinate line elevations, fieldbus communications (Profinet\/EtherNet\/IP), and automated discharge handshakes.\n\n<h2 id="related-reading">Related Technical Resources<\/h2>\n\n- [E1800 Horizontal Panel Stretch Wrapper Product Specifications](https:\/\/www.fhopepack.com\/Automatic-horizontal-stretch-wrapper\/E1800-horizontal-stretch-wrapper.html)\n- [Complete EPS, 3D, and Composite Sandwich Panel Packaging Systems](https:\/\/www.fhopepack.com\/Automatic-panel-packaging-line.html)\n- [Heavy-Duty Orbital Wrapping Machines for Long Extrusions and Bundles](https:\/\/www.fhopepack.com\/videos\/fhope-semi-auto-orbital-wrapper\/)\n- [High-Speed Pallet Stretch Wrapping Systems with Integrated Top Platens](https:\/\/www.fhopepack.com\/videos\/height-pallet-packing-machine-with-top-press-device\/)\n\n<h2 id="sources">Reference Standards and Machine Documentation<\/h2>\n\n- **Machine Specifications:** [Fhopepack E1800 Series Technical Data Sheet](https:\/\/www.fhopepack.com\/Automatic-horizontal-stretch-wrapper\/E1800-horizontal-stretch-wrapper.html)\n- **Kinematic Reference:** Operational telemetry verified from high-speed production line archive [Fhopepack YouTube irL1-Xp-Rzc](https:\/\/www.youtube.com\/watch?v=irL1-Xp-Rzc)\n- **Safety Compliance Standard:** [ISO 12100:2010 Safety of machinery — General principles for design](https:\/\/www.iso.org\/standard\/51528.html)\n- **Packaging Equipment Standard:** [EN 415-10:2014 Safety of packaging machines — Part 10: General requirements](https:\/\/www.nen.nl\/en\/nen-en-415-10-2014-en-191845)\n- **Energy Isolation Standard:** [OSHA 29 CFR 1910.147 Control of Hazardous Energy (Lockout\/Tagout)](https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.147)\n\n<p><strong>Last reviewed:<\/strong> 2026-10-05<\/p><\/code><\/pre>","protected":false},"excerpt":{"rendered":"
> Executive Summary<\/strong> > A horizontal orbital sandwich panel wrapping machine secures an entire continuous stack of architectural or cold-storage insulated panels in pre-stretched film as it traverses a motorized roller bed through a high-speed […]<\/p>","protected":false},"author":1,"featured_media":2244,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Sandwich panel wrapping machine: orbital stretch wrap inline","_seopress_titles_desc":"How our horizontal orbital wrapper wraps a stack of sandwich panels in stretch film through the ring, with E1800 specs, clip timing and a checklist.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[{"_seopress_pro_rich_snippets_type":"custom","_seopress_pro_rich_snippets_custom":"