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Hand forming and bending
Production technology and technology of filing cabinets;

Filing cabinets are generally made of cold-rolled steel plates. Plates on the market range from 0.3 mm to 1.0 mm, and the price of finished cabinets varies with the thickness of materials.

1: according to the requirements of shearing machine, the cold-rolled steel plate is cut into different sizes. According to different filing cabinet products and different filing cabinet positions (such as door panel, side panel, top panel, bottom panel, partition panel and back panel), the sizes and styles of the cut iron plates are also different.

2. Use a punch to make a corner on the cut iron plate. Different filing cabinet positions (such as door panels, side panels, top panels, bottom panels, partitions) have different corner removal styles. There are special molds for corner removal. Large factories are generally assembly lines.

3. The iron plate with good edges and corners is bent by a bending machine, and it is folded into different bending shapes according to different filing cabinet positions.

4. Fold the side plate, top plate, middle plate, bottom plate, back plate, slideway and partition vertical beam of the filing cabinet, and spot weld with a seamless spot welder. The surface of spot welding products is smooth, and different products are produced according to different filing cabinet styles. At this point, the whole filing cabinet is ready.

5. Carry out pickling and phosphating treatment on the spot welding integral filing cabinet to remove grease and rust on the surface of the iron plate.

6. Put the cleaned filing cabinet into the plastic spraying workshop for electrostatic powder plastic spraying, and the produced products have no pungent smell and are green and environmentally friendly. The color of filing cabinets is generally gray-white, and the powder used by various manufacturers is different, and there will generally be some color difference; Sprayed products should be heated at a high temperature of 180-200 degrees Celsius.

7: After plastic spraying and heating, the products can be sent to the assembly workshop for assembly, and the assembly workshop is equipped with upper partitions, slideways, drawers, doors and debugging. After the assembly is completed, the quality inspector can pack it and prepare it for storage.

8. Packaged filing cabinet products are stored in the finished product warehouse according to classification, ready for delivery.