The application of pressure automation product line and the improvement of operation speed require that the mould should have a longer life.
随着压力加工自动化生产线的应用，加工速度的增高，对模具的工作寿命提出了更高的要求。
2
The effects of solidified agent, nanometer silicon dioxide powder and calcium carbonate powder on line contraction percentage of silicon rubber mould were discussed in this paper.
本文主要研究了固化剂、纳米二氧化硅粉和碳酸钙粉等外加剂对硅橡胶模具线收缩率的影响。
3
There are many flangings in auto panels, the location of the trimming line directly affected the design of the trim mould and the quality of the flanging parts.