1. Brief introduction to the core
Welded mesh storage cages use metal welded mesh as the main structure, and are matched with metal frames and connectors to form a closed or semi-closed "cage-like" container. Its key feature is "structured storage" - it can not only observe the internal goods through the mesh, but also prevent the goods from being scattered and damaged. It can also be stacked (the empty cage can be folded) to save space. It is commonly used to store various types of goods such as parts, semi-finished products, fresh food, express packages, etc.
2. Process flow
The production of welded mesh storage cages needs to take into account both "structural strength" and "ease of use". The core process is divided into 6 steps, which includes more frame assembly and functional processing than ordinary welded mesh:
Raw material cutting and straightening: Select low carbon steel wire (mainstream) or high-strength steel wire according to specifications. After being straightened by a straightening machine, it is cut into wire for mesh and wire for frame (frame wire diameter is thicker, usually ≥4mm).
Mesh welding and forming: Use an automated welding machine to weld the steel wire into a rectangular mesh (i.e. the sides, bottom and top of the storage cage). The size of the mesh is set according to the size of the cargo, and the solder joints must be firm and without welding.
Frame welding: Weld thick wires into a rectangular frame (the frame and support columns of the storage cage), and some parts need to be welded with reinforcing ribs (such as bottom beams and side column connections) to increase the overall load-bearing capacity.
Assembling the mesh and frame: Connect the welded mesh to the frame through welding or bolting (bolted connections are easy to repair) to form the main body of the storage cage; if the design has a door (for easy access), the hinge and door lock structure need to be installed simultaneously.
Surface treatment: The core is anti-rust treatment. The mainstream processes include hot-dip galvanizing (strong anti-corrosion, suitable for humid environments), cold galvanizing (lower cost, suitable for dry warehouses), plastic spraying (color optional, beautiful and anti-scratch); some edge burrs need to be polished to avoid scratching the goods or operators.
Testing and assembling accessories: Check the solder joint strength (such as load-bearing test), mesh accuracy and surface treatment quality; add accessories as needed, such as bottom wheels (for easy movement), top hooks (for lifting), label bars (for cargo identification).
3. Core features
The characteristics of the welded mesh storage cage are completely designed around "warehousing needs", and the core advantages can be summarized as four points:
Strong load-bearing and stability: The frame and mesh are fixed by welding, with dense welding spots and thickened wire diameters. The load-bearing capacity of a single cage can usually reach 100-1000kg, and it is not easy to deform when stacked (generally 3-5 layers can be stacked).
High space utilization: the empty cage is foldable (the volume after folding is only 1/5-1/3 of the unfolded state), reducing the storage space occupied when idle; it can be neatly stacked after unfolding, saving more than 50% of space compared with loose goods.
It is highly convenient to use: the mesh structure makes it easy to view the internal goods without unpacking; some door designs can be used to pick up goods from the side without the need for overall transportation; the bottom can be equipped with wheels or adapted to the forklift tines to facilitate short-distance movement and loading and unloading.
Durable and protective: after being galvanized or spray-coated, it can withstand moisture and dust in the warehouse and has a service life of 5-10 years; the cage structure can prevent goods from being scattered and extruded, and is especially suitable for storing irregular or easily bumped goods.
4. Common materials
Material selection mainly depends on the "storage environment" and "carrying requirements". The adaptation scenarios of different materials are obviously different:
Material type Core characteristics Applicable scenarios
Low carbon steel wire (hot-dip galvanized) has moderate cost, strong anti-corrosion, medium load capacity (100-500kg), and the most cost-effective general warehouse storage (such as parts and e-commerce packages), humid environment (such as food cold chain warehouse)
Low carbon steel wire (cold galvanized/sprayed) Low cost, medium anti-corrosion (suitable for dry environments), neat appearance (optional colors for spraying) Drying workshops, indoor warehouses (such as clothing, small appliances storage)
High-strength steel wire (hot-dip galvanized), thick wire diameter (≥6mm), high load capacity (500-1000kg), impact resistance, heavy cargo storage (such as metal parts, mechanical accessories), frequent handling scenarios
Stainless steel wire (304) Acid and alkali resistant, no rust, sanitary grade, higher cost Special environment storage (such as chemical raw materials, medical supplies, food processing workshops)
5. Key specifications and parameters
Specification parameters need to match the "storage cargo size" and "warehousing space". The core parameters include 3 categories:
Overall dimensions: Designed according to common storage pallet sizes. The mainstream specifications are "length × width × height", such as 800mm × 600mm × 500mm (small), 1200mm × 1000mm × 800mm (medium), 1500mm × 1200mm × 1000mm (large); non-standard sizes can be customized to adapt to special goods.
Loading weight: According to the carrying capacity, it is divided into light (≤300kg), medium (300-600kg), and heavy (≥600kg). It is necessary to pay attention to the difference between "single-layer load-bearing" and "stacked load-bearing" (when stacking, the number of layers must be specified by the manufacturer to avoid overloading).
Mesh opening and wire diameter: The mesh size needs to prevent goods from falling, commonly 50mm×50mm, 75mm×75mm, 100mm×100mm; the wire diameter is adjusted according to the load, the mesh wire diameter is usually 2-4mm, and the frame wire diameter is 4-8mm.
Additional structures: Optional bottom wheels (universal wheels or directional wheels), side opening doors (single door or double door), top cover (enclosed storage), label slot (cargo classification identification).
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