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What are the differences between stamping parts and castings?

2019-07-10
Stamping is mainly classified by process, which can be divided into two categories: separation process and forming process. The separation process is also called blanking, whose purpose is to make the stamping parts separate from the sheet material along a certain contour line, and to ensure the quality requirements of the separation section. Stamping is an efficient production method, using compound die, especially multi-position progressive die, can complete multiple stamping process in a press, realize the automatic production from uncoiling, leveling, punching to forming and finishing. High production efficiency, good working conditions, low production cost, generally every minute can produce hundreds of pieces. The purpose of forming process is to make the sheet material plastic deformation without breaking the blank, and to make the workpiece of the required shape and size. In actual production, it is often a combination of multiple processes applied to a workpiece. Blanking, bending, shearing, drawing, bulging, spinning and straightening are some of the main stamping jobs.

Casting is a kind of metal molding object obtained by various casting methods, that is, the molten liquid metal is injected into the pre-prepared casting mold by casting, injection, inhalation or other casting methods, and after cooling, the object with certain shape, size and performance is obtained through falling sand, cleaning and post-treatment.

Difference between metal stamping parts and castings: with the characteristics of thin, even, light, strong stamping can produce other methods difficult to manufacture with reinforcement, rib, undulation or flanging workpiece, to improve its rigidity. Due to the use of precision die, the workpiece precision can reach micron level, and the difference between heavy stamping parts and castings: with the characteristics of thin, uniform, light, strong stamping can produce other methods difficult to manufacture with reinforcement, rib, undulation or flanging workpiece, to improve its rigidity. Due to the use of precision mold, the precision of the workpiece can reach micron level, and repeat high precision, consistent specifications, can punch out holes, boss, etc.

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