Till now, there is no complete definition of sheet metal. According to a definition in foreign professional journals, it can be defined as:Sheet metal is a comprehensive cold working process on sheet metal (usually less than 6mm), including shearing, punching/cutting/compounding, folding, welding, riveting, splicing and molding (such as automobile bodywork) and so on. Its distinguishing feature is the same thickness of the same part.
Sheet metal is characterized by light weight, high strength, conductivity (can be used for electromagnetic shielding), low cost and good mass production performance. It has been widely used in electronic and electrical appliances, communications, automotive industry, medical equipment and other fields. For example, sheet metal is an essential component in computer cases, cell phones and MP3 players. With the increasing application of sheet metal, sheet metal design has become a very important part of the product development process. Mechanical engineers must master the design skills of sheet metal, so that the designed sheet metal can meet the requirements of product function and appearance, but also make the stamping die manufacturing simple and low cost.
Generally speaking, the basic equipment for sheet metal process includes shearing machine, CNC punching machine/laser, plasma, water jet cutting machine, bending machine, as well as various auxiliary equipments, such as uncoiler, straightener, deburring machine, spot welding machine, and so on. Generally speaking, the four most important steps in sheet metal processing are shearing, stamping/cutting, folding, welding, and surface treatment.
Sometimes, sheet metal is also referred to as platemetal. The term comes from the English word platemetal.Generally, some sheet metal is stamped by hand or in a die to produce plastic deformation to form the desired shape and size.In addition, more complex parts can be formed by welding or a small amount of machining.For example, chimneys, tin stoves, and automobile housings that are commonly used in the home are sheet metal parts.
Sheet metal is the most common type of sheet metal used in the home and in the workplace.
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