What Are the Structural Characteristics of the Automotive Sheet Metal Stamping Process?

Create Time: 20-12-2017

The many outstanding advantages of stamping have made it widely used in machinery manufacturing, electronics, electrical appliances and other industries. Most of the covering parts of automobiles, as small as clocks, instruments and instrument components, are processed by stamping methods. At present, the stamping products obtained by the sheet metal stamping process occupies a very important position in modern automobiles, tractors, motors, electrical appliances, instruments, meters and various electronic products and people's daily lives.

According to rough statistics, in the automobile manufacturing industry, 60% to 70% of the parts are made by sheet metal stamping technology; in electronic products, the number of sheet metal stamping parts accounts for more than 85% of the total number of parts; in aircraft, In the production of missiles, various bullets and shells, sheet metal stamping parts also account for a considerable proportion.

Ⅰ. About sheet metal stamping

The technical definition of metal stamping is that it is a cold forming process that uses extreme force or speed to permanently change the shape of a piece of metal. For sheet metal stamping, the workpiece is sheet metal. However, metal stamping machines can also be used for metal wires and other metal forms. In some fields, this process is called "suppression." Although almost any metal, including gold, can be stamped, sheet metal is by far the most common. The type of metal used depends on the type of part required and its required characteristics, such as corrosion resistance and heat resistance. Sheet metal stamping can produce parts of the following materials: stainless steel, low carbon steel and high carbon steel, aluminum, titanium, brass, bronze, copper, inconel, nickel alloy.

Ⅱ. What are the structural characteristics of automotive sheet metal stamping process?

1. Sheet metal stamping products have good quality, such as smooth surface, high precision, stable size, good interchangeability; light weight, good rigidity and high strength. The sheet metal stamping process can also process workpieces that are difficult to process by other processing methods, such as thin-shell parts, workpieces with flanging, undulation, and ribs.

2. Sheet metal stamping products do not require or only a small amount of cutting processing, the material utilization rate is high, and the material cost of the workpiece is low.

3. High production efficiency, simple operation, easy to realize mechanization and automation. Equipped with advanced production lines, fully automatic mechanized operations of feeding, stamping, picking, and waste removal can be realized, with low labor intensity.

4. The molds used in sheet metal stamping processing are generally complex in structure, longer production cycle and higher cost. Therefore, the sheet metal stamping process is mostly used for batch and mass production, and single-piece and small-batch production is subject to certain restrictions.

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