When the injection mold is produced, the weld marks are often formed due to the convection of plastics. The weld mark is caused by the front part of the fused resin from different directions being ...

The warping and deformation of injection products are very difficult problems. It should be mainly solved from the aspect of mold design, and the adjustment effect of forming conditions is very lim...

1. What is the most important and decisive factor in choosing die steel? A: Forming methods - Choose from two basic material types. A) Hot working tool steel, which can withstand relatively high ...