Six Common Polishing Methods for Plastic Mold
here are two main purposes for polishing the mold, one is to increase the brightness and beauty of the plastic mold. The two is to make the die easy to die out. In the process of polishing, crude oil stone is used for rough grinding of the machined mold cavity surface, grinding to the tool mark, and then using the fine oil stone to get the coarse oil stone to reach the trace, then the fine sand paper is […]