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ENCAPSULATION

Integrated circuit, packaging technology is a very key link

INJECTION

Injection molding is a kind of molding method for industrial products

STAMPING

Stamping process is a metal processing method

MACHINING

A process for removing material by precision machining

TECHNOLOGY

The stamping process is a machining method

1、 Technical introduction

The stamping process is a machining method that builds on the plastic deformation of metals by applying pressure to the sheets through molds and stamping equipment to create plastic deformation or separation of the sheets to obtain parts with a certain shape, size and properties (stamping pieces).

The stamping forming process occupies an important role in the manufacturing process of automotive bodies, especially for large coverings, which are mostly complex in shape, have large structural dimensions, some or spatial curved surfaces, and have high surface quality requirements, so the stamping processing method is used to make these parts

Comparable to other processing methods. The driverooms, psyllium sheets, wishfads of load-bearing trucks, and various body covers of a car and various backbones of a passenger car, among others, are almost all produced by the punch machining method.

Main Features

1. Stamping is a processing method with high production efficiency and low material consumption. The process of stamping is suitable for the production of larger batches of part products, which is easy to carry out mechanically and automatically and has high production efficiency. At the same time, stamping production can make efforts not only to do little and no waste production, but also to make full use of the material, even if there are edges in some cases.

2. It is convenient to operate the process and does not need higher level of skill of the operator.

3. Punched out parts generally do not need to be machined again, providing high dimensional accuracy.

4. Stamping pieces have better interchangeability. Stamping has better stability and the same lot of stamping pieces. They can be used interchangeably without affecting assembly and product performance.

5. Since the punch is made of material with plate, it has a good surface quality, which provides convenient conditions for subsequent surface processing procedures such as electroplating, painting.

6. Stamping offers access to parts with high strength, stiffness and low weight.

7. Stamping pieces produced in bulk with molds are inexpensive.

8. Stamping enables the fabrication of parts with complex shapes that are otherwise refractory to machining methods.

Stamping Procedure

The stamping procedure can be divided into four basic procedures:

Punch: a stamping procedure (including punching, dropping, trimming, cutback, etc.) that enables the plate to achieve separation.

Bending: the stamping procedure to curve the sheets into a certain angle and shape along the bending curve.

Drawing depth: turning a planar sheet into various open hollow parts or taking the shape, size of the hollow parts as a stamping procedure for further changes.

Local forming: the stamping procedure (including inverting, swelling, flattening and shaping procedures, etc.) to change the shape of blank or punched piece with various local deformations of different properties.