The preformed material blocks produced by the usual preforming molds have a relatively large disadvantage:

After the preformed block is placed in the hot-pressing mold and the hot-pressing is completed, the part of the steel back hole is prone to lack of material.

Now this mold can solve this problem very well.

Характеристиките на тази форма са:

(1) There are small pits in the corresponding parts of the punch

(2) The produced preforms have protrusions

(3) For production: passenger car brake pads, truck brake pads, CV brake pads

Основните параметри на матрицата са както следва: