Basic knowledge of mold spring

This article only introduces the relevant knowledge points of mold springs. To select springs, you need to consult the selection manuals of different manufacturers.

In a set of stamping dies, more elastic materials are needed, including springs of different specifications, uniglue, nitrogen gas springs, etc., and different elastic materials are selected according to different needs. For bending and punching, ordinary rectangular springs can be used, such as brown springs, which are also called brown springs; Uniglue is generally used for drawing molds, shaping molds, or flatness.

1. The purpose of the mold spring

The purpose of the mold spring is to remove and press the material, and the strength of the spring is related to the smooth production of the mold and whether the product is qualified. If the force of the spring is small, it may cause various problems such as deformation of the product, the mold does not fall out, the product cannot be taken out of the mold, the material is stripped, and the knife edge and punch are easy to wear.

2. Classification of mold springs

Mold springs are generally divided into brown, green, red, blue, and yellow according to their colors. The strength is also reduced in sequence. Different colors have different strengths and different compressions.