ISO 9001:2015 & CE Certified OEM/ODM Facility

OEM/ODM Roller Rack Manufacturers & Global Engineering Supplier

Precision Gravity Flow, Carton Bed Racks, and Heavy-Duty Dynamic Storage Architectures Custom Engineered for North American & International Intralogistics Facilities.

Enterprise Product Portfolio

Engineered Roller Systems & Heavy-Duty Warehouse Storage Racks

Direct factory production engineered for rigorous pallet dynamic forces, cold room performance, high-density live storage, and multi-tier picking fulfillment hubs.

Engineering White Paper

Kinetic Mechanics & Steel Grade Selection in Dynamic Roller Rack Design

Modern distribution complexes, high-velocity omnichannel order-fulfillment centers, and temperature-controlled food cold chains demand exact tolerances from gravity-fed roller systems. As an integrated OEM/ODM manufacturer, HEDA Shelves addresses the core structural variables that prevent pallet hung-ups, rack runaway, and line-side fatigue failure.

Unlike static selective pallet racks that carry purely deadweight compressive loads, roller racks (such as carton flow beds, live pallet gravity flow channels, and push-back cart systems) must absorb continuous dynamic momentum, load deceleration shockwaves, and torsional deflection across extended spans.

Critical Slope Engineering Metric

Our engineering calculates incline gradients between 2.5% and 3.5% (approx. 7/16" per foot) calibrated precisely against bottom-deck pallet deflection, ambient operating temperature, and unit loads ranging from 25 lbs tote bins up to 3,300 lbs heavy timber/composite GMA pallets.

To ensure system safety under international standards (RMI MH16.1, EN 15512, and FEM 10.2.02), cold-formed high-tensile carbon steel (ASTM A1011 equivalent or Q235B/Q355B) undergoes precision computerized roll-forming. Upright frames are engineered with variable column punch profiles, ensuring pitch adjustability without weakening the vertical load-bearing web.

OEM vs. ODM Customization Protocols

OEM Manufacturing: We fabricate strictly according to your mechanical shop drawings, stamping your private brand logo onto load beams, column faces, and safety drop pins, while matching proprietary teardrop, slotted, or keyhole connector configurations.


ODM Engineering: Provide your building envelope, floor slab PSI, pallet weight range, and forklift aisle tolerances. Our structural design desk supplies complete 3D structural CAD layouts, FEA stress analyses, and stamped engineering documentation within 24 hours.

Comprehensive Roller Bed & Track Structural Matrix

Parametric comparison of carton flow, heavy pallet gravity roller tracks, and hybrid push-back solutions.

Structural Configuration Roller Track / Bed Geometry Load Capacity Rating Brake System Architecture Primary Industrial Sector
Light/Medium Carton Flow Hardened PE/Nylon wheels on 50mm centers, cold-rolled galvanized steel C-channel 50 – 150 kg/meter (35 – 100 lbs/ft) Self-governing pitch friction / Entry end-stops E-commerce, FMCG picking split-case, Lean Kanban
Heavy Dynamic Pallet Flow Continuous electro-galvanized Ø60mm / Ø76mm steel rollers with precision 6204 ball bearings 500 – 1,800 kg/pallet position Centrifugal speed controller brakes every 1 pallet distance Cold storage freezers, dairy, beverage mass dispatch
Nested Push-Back Roller Cart Dual-flanged steel guide wheels rolling on inclined structural rectangular hollow tubing 1,000 – 1,500 kg/lane (2-6 pallets deep) Gravity counter-resistance on inclined nested rail profiles Raw material staging, retail bulk goods, buffer bays
Live Roller Chute & Mezzanine Modular staggered multi-wheel beds integrated into structural steel mezzanine decks 300 – 1,000 kg/m² uniform deck rating Impact-resistant decelerator plates with hydraulic dampers Distribution hubs, multi-level auto parts fulfillment
Enterprise Manufacturing Capabilities

Why Global Supply Chains Trust Guangzhou Heda Shelves

Over 25 years of specialized structural fabrication, rigorous ISO 9001 certified batch testing, and high-volume containerized export infrastructure.

2001.EST
Founded Year
25+ Years of Industry Leadership
323,000SQ FT
Factory Campus
30,000 m² Modern Facility
30,000TONS
Monthly Steel Output
Rapid Volume Fulfillment
10,000+
Global Projects
Installed in North America & Worldwide

10-Step Controlled Surface Treatment

Every cold-formed upright and beam undergoes an automated sequence: chemical degreasing, industrial pickling, phosphating, pure water neutralization, followed by electrostatic thermosetting powder coating cured at 200°C. This ensures salt-spray resistance and zero paint peel under intense roller vibrations.

Free 24-Hour CAD & 3D Modeling

Send your building footprint, column grids, ceiling clear heights, and material flow volumes. Our senior rack architects return 2D layout drawings, 3D realistic rendering models, and comprehensive bill of materials (BOM) within 24 hours to streamline your procurement approvals.

Optimized North American Ocean Freight Packing

We pack upright columns in heavy-gauge steel strapped bundles with protective corner angles, while beams, roller lanes, and small hardware components are palleted and shrink-wrapped. Every 40ft High-Cube container is maximized for cubic volume, saving up to 22% in transpacific landing costs.

Procurement Knowledge Base

Frequently Asked Questions for Sourcing Directors & Engineers

Clear, technically rigorous answers covering load calculations, seismic certifications, cold-room dynamics, and ocean transit logistics.

How do you calculate the optimal slope angle for heavy pallet roller racks vs. carton flow beds? +
For carton flow beds utilizing nylon or high-density polyethylene (HDPE) skate wheels, the standard slope angle is typically set between 3.0% and 4.0% (approximately 3/8" to 1/2" drop per linear foot). This provides sufficient kinetic start-up velocity for corrugated cartons weighing from 5 lbs to 60 lbs without causing line surges. For heavy pallet flow racks (1,000 lbs to 3,000 lbs pallets), the slope is engineered tighter—between 2.5% and 3.0% (7/16" drop per linear foot). Because pallet bottom runners may exhibit varying deflection or minor grain roughness, centrifugal speed controller brake rollers are placed at precise 1-pallet intervals along the lane to ensure a smooth, controlled travel speed not exceeding 0.3 meters per second (approx. 60 ft/min).
Can HEDA Shelves supply seismic calculations and component stamps compliant with North American codes? +
Yes. We design our structural racking columns, baseplates, and anchorage details in accordance with RMI (Rack Manufacturers Institute) MH16.1 specifications and the International Building Code (IBC). We supply complete structural calculations, section properties, yield strength verifications (tested to ASTM standards), and anchor bolt shear/pullout data. These engineering packages are formatted for immediate structural review and wet-stamping by your local licensed Professional Engineer (P.E.) or structural engineer of record (SEOR) across California (high seismic Ss/S1 parameters), the Pacific Northwest, Canada, and the East Coast.
What roller bearing and lubrication configurations are utilized in sub-zero cold storage facilities? +
Standard commercial grease crystallizes and causes bearing seizure at temperatures below freezing, which leads to stalled pallets in deep-lane flow beds. For blast freezers and cold storage environments down to -30°C (-22°F), HEDA Shelves specifies sealed, low-torque precision ball bearings packed with food-grade, synthetic low-temperature aerospace grease (such as Mobil SHC or Aeroshell equivalents). In addition, roller shafts and tubes are finished with a minimum 12-micron electro-galvanized or hot-dip galvanized protective coating to prevent corrosion caused by humidity cycles during defrost intervals.
What is the standard manufacturing lead time for full container load (FCL) OEM/ODM orders? +
Typical production cycle for 2 to 5 full container loads (40' HQ) is 20 to 25 business days from final engineering drawing sign-off and color chip approval. Custom tooling for proprietary upright hole patterns or roll-formed profiles adds approximately 10 to 14 days for initial die preparation. Because our 323,000 sq ft Guangzhou campus outputs up to 30,000 tons of structural steel monthly, we can allocate dedicated roll-forming and powder-coating lines to meet strict general contractor installation milestones.
How do you prevent pallet impact damage at the picking face in deep-lane gravity flow systems? +
In gravity lanes deeper than 3 pallets, accumulating line pressure can make removing the discharge pallet hazardous for forklift operators. To solve this, HEDA Shelves integrates mechanical Pallet Separator Devices (pallet hold-back clutches) located behind the primary pick position. When the first pallet rolls into the discharge terminal stop, the separator automatically locks the queue of trailing pallets 6 inches behind it. When the lead pallet is lifted away by the forklift, the separator trips open, allowing the next pallet to advance safely under controlled brake-roller damping.
What documentation and factory QC records accompany each export container? +
Every container leaves our docks with complete traceability documentation: Mill Test Certificates (MTC) proving steel chemical composition and tensile strength, dry-film coating thickness inspection logs (typically 60-80 microns for standard architectural powder), cross-hatch paint adhesion reports (ISO Class 0 / ASTM D3359), dimensional QA reports, and step-by-step CAD installation manuals with numbered bundle tags matching the shipping packing manifest.

Transform Your Warehouse Throughput With Engineered Roller Racks

Submit your facility dimensions, pallet specifications, and throughput targets. Our engineering department will return a comprehensive 3D CAD layout, load capacity calculation, and transparent landed quote within 24 hours.

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