Overview
Medium cantilever racking is a semi-heavy-duty storage system characterized by vertical columns supporting cantilevered arms, eliminating front obstructions for easy loading. It bridges the gap between light-duty shelving and heavy industrial cantilever systems, with typical heights of 3-6 meters. Unlike traditional pallet racking, it accommodates items exceeding standard pallet dimensions. The design allows direct forklift access from the side, making it ideal for warehouses handling construction materials, furniture components, or manufacturing stock.
Structure and Working Principle
The system comprises base frames, vertical columns (often H-shaped), and adjustable cantilever arms with safety stoppers. Arms attach to columns via bolt-on brackets at 50-100mm intervals for height customization. Load capacity is achieved through triangulation between arms and columns, with rear bracing providing lateral stability. Floor-mounted models use anchor bolts, while mobile versions incorporate wheel bases. Some designs feature tilting arms (15-30°) for gravity-assisted retrieval in high-throughput operations.
Key Features
1. Modularity: Arms can be added/removed per inventory changes. Standard arm lengths range from 800mm to 2000mm. 2. Safety: Overload protection includes arm end caps and column guards. Anti-slip coatings on arms prevent material shifting. 3. Accessibility: Clear floor space beneath stored items simplifies cleaning and inventory checks compared to standard shelving.
Application Areas
Primary industries utilizing medium cantilever racking include building material suppliers (storing PVC pipes, steel rebars), furniture manufacturers (panel storage), and metal service centers (bar stock). Specialized applications include aerospace (wing spar storage) and automotive (exhaust pipe handling). Cold storage facilities often opt for galvanized versions to resist condensation corrosion.
Maintenance and Precautions
Monthly inspections should check for: 1) Loose baseplate anchors, 2) Arm bracket deformation, and 3) Column plumbness (>3° tilt requires recalibration). Load distribution rules: Never exceed 60% of rated capacity on outermost arm positions. For uneven loads, place heavier items closer to columns. Use protective sleeves on arms when storing abrasive materials like concrete forms.
B2B Procurement Guide
When sourcing, verify: 1) Column gauge thickness (minimum 2mm for medium-duty), 2) Powder coating quality (≥60μm), and 3) Warranty coverage for weld points. Leading manufacturers include Ridg-U-Rak (US), AK Material Handling Systems (EU), and SSI SCHAEFER (Asia). Customization options like collapsible arms or RFID tag mounts add 15-30% to base costs. MOQs typically start at 10 bays for OEM orders.
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