Basic knowledge of die spring compression

【概要描述】The purpose of die spring is to strip and press the material. The strength of spring is related to whether the die production is smooth and whether the products are qualified.

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发布时间：2021-12-20
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The purpose of die spring is to strip and press the material. The strength of spring is related to whether the die production is smooth and whether the products are qualified. If the spring force is small, it may cause various problems, such as product deformation, non stripping of the die, poor removal of the product from the die, material belt, easy wear of knife edge and punch, etc.
According to different production times, the larger the compression amount, the shorter the spring life, and the shorter the die life. Of course, if the spring is broken, it can be replaced, but the specifications of each spring are different. It has been determined in the design. The springs should not be easily replaced with each other in use. The spring may be out of force after a period of mold production, and the spring with poor quality may be broken in the mold.
Generally, the compression of the die spring is calculated according to 300000 times, that is to say, the die may have no force after 300000 times. Of course, the service life of the general stamping die is not that long, and it can also be calculated according to the maximum compression. If it is calculated according to the maximum compression, it can only ensure that the spring does not explode in the die. The die is pressed to death, which is also good for the flatness of the product.

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