Principle of mold processing reservation allowance

1. The need for heat treatment of the block, heat treatment before the shape of the preparation size plus 0.25mm allowance;

2.For the parts of die and insert that need CNC rough machining, the unilateral reserve allowance is 0.2mm;

3.Milling machine rough milling shape unilateral reserved allowance 0.3-0.5mm, line cutting needs to grind the workpiece, forming part unilateral reserved 0.05mm, shape open rough unilateral reserved 0.1mm grinding allowance;

4.CNC finishing, electric pulse after surface polishing, reserved 0.03mm polishing allowance on one side.