definition
The guide column assembly for the mold base is installed on the mold base of the stamping die, and its main function is to provide the outer guide function of the mold, including guide columns, guide sleeves, steel ball bushes and springs.

structure
The guide post types can be divided into quick-change type and press-in type. The quick-change type guide post is in the shape of a shoulder (flange part), and the guide post is installed and fixed through the flange part; the press-in type is pressed in by a hydraulic machine. installed into the mould.
It can also be divided into non-block type, movable block type and fixed block type
The material of the ball guide bush is divided into aluminum alloy and resin POM. The aluminum alloy is mainly used in the stamping process, and is used in the guide post and the guide bush to go back and forth or in the mold with curvature. Deformation, weight is heavier than resin POM, and aluminum alloy wear powder may be generated when moving;
Resin POM is mostly used in precision molds and high-speed molds. Although it has weaker holding power than aluminum alloy and may break when dropped, it is light in weight and hardly produces powder when worn.

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