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Sheet metal processing industry

Jan 05 , 2021

Sheet metal, a processing technology, has not yet had a relatively complete definition of sheet metal. According to a definition in a foreign professional journal, it can be defined as: sheet metal fabrication services is a comprehensive cold working process for metal sheets (usually below 6mm), including shearing, punching/cutting/compounding, folding, riveting, splicing, Forming (such as car body), etc. Its notable feature is the uniform thickness of the same part.



Sheet metal has the characteristics of light weight, high strength, electrical conductivity (can be used for electromagnetic shielding), low cost, and good mass production performance. It has been widely used in electronic appliances, communications, automotive industry, medical equipment and other fields. In computer cases, cell phones, and MP3, sheet metal is an indispensable part. As the application of sheet metal becomes more and more extensive, the design of sheet metal parts has become a very important part of the product development process. Mechanical engineers must be proficient in the design skills of sheet metal parts, so that the designed sheet metal meets the product requirements. The function and appearance requirements can make the stamping die manufacturing simple and low cost.

Modern sheet metal technology includes: filament power winding, laser cutting, heavy processing, metal bonding, metal drawing, plasma cutting, precision welding, roll forming, sheet metal bending, die forging, water jet cutting, precision welding, etc. .

The surface treatment of sheet metal parts is also a very important part of the sheet metal processing process, because it has the functions of preventing parts from rusting and beautifying the appearance of products. The surface pretreatment of sheet metal parts is mainly to remove oil, oxide scale, rust, etc. It prepares for the surface post-treatment, and the post-treatment is mainly spray (baking) paint, plastic spray and anti-rust coating.


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