Sheet Metal Electrical Cabinet Design Reference

Sheet metal generally deforms some metal sheets by hand or die stamping to form the desired shape and size, and can further form more complex parts through welding or a small amount of mechanical processing, such as chimneys, iron barrels, oil tanks, ventilation pipes, funnel shapes, etc. commonly used in families, and also such as electrical cabinets, shells of various special equipment, computer cases, automobile shells, etc. are sheet metal parts.

Sheet metal parts have no specific structural requirements, and are generally designed according to product needs. On the premise of meeting product functions, 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 door, and the reinforcing rib 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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Process Analysis of Sheet Metal Structure Design

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...

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Four Basic Cold Processing Links to Optimize Sheet Metal Design

Generally, sheet metal parts have obvious advantages in strength, weight and cost, and have better point-to-point performance than traditional parts. Therefore, up to now, sheet metal parts have been gradually applied in China’s high-tech fields such as electronics and communication. At the same time, people have gradually put forward higher requirements for the quality and function of sheet metal parts, The proper optimization of the original sheet metal processing technology has become the focus of sheet metal processing personnel. According to the actual research, this paper believes that the optimization of processing technology should be carried out one by one from the application of four basic cold processing links of sheet metal processing. 1 Blanking First of all, as far as the blanking link is concerned, generally speaking, blanking refers to the separation of sheet metal materials through the stamping of the die, so as to realize the separation of she...

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Design Criteria of Sheet Metal Structure

According to the problems encountered in the actual machining process, the problems needing attention in the structural design of sheet metal are discussed from the following aspects, and the corresponding design criteria are given. Selection Criteria of Sheet Metal Materials Sheet metal is generally used for the installation of equipment shell and electrical circuit, so it is very important for the selection of sheet metal. Proper selection is not only conducive to processing, but also can reduce the cost on the premise of ensuring the strength. (1) In order to ensure the material utilization rate and the minimum number of die changes in bending, the thickness specifications of plates on the same structure shall not exceed three at most. For structures with high strength requirements, the method of pressing reinforcement on thin plates can be adopted; (2) It should be avoided that the unfolding size of parts is equal to the outline size of raw materials: the shape of plate...

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