Sheet metal processing is a comprehensive cold working process for sheet metal, including shearing, punching, cutting, folding, welding, riveting, etc. its remarkable feature is that the thickness of the same part is the same.

Sheet metal is generally some sheet metal through manual or die stamping to produce plastic deformation to form the desired shape and size, and can further form more complex parts through welding or a small amount of machining. For example, chimneys, iron buckets, oil tanks, oil pots, ventilation pipes, funnel-shaped, etc. commonly used in families, as well as electrical cabinets, shells of various special equipment, computer cases, automobile shells, etc., are all sheet metal parts.

There are no specific structural requirements for sheet metal parts, which are generally designed according to the needs of products. On the premise of meeting the functions of products, the designed structure should be easy to process, low cost and beautiful. For example, the door of the electrical cabinet can be external or embedded, which should be selected according to the design needs. The design of the door will be different with different structures. The material thickness of the external door is generally thicker than that of the embedded one, and the stiffener needs to be welded to ensure the strength. In short, there is no fixed frame for the structural design of sheet metal equipment, which should be changed according to the product, which is also the difficulty of sheet metal design.

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