A block or die used to imprint a mark or design. 用来留下标记或图案的印版或冲模。
Raising die service life is a key link of decreasing product cost. 提高冲模寿命是降低产品成本的关键环节。
The dynamic stress concentration problems at the swallowtail on a hammer forging die are investigated by using the dynamic photoelastie method. 用动态光弹性法研究了锤锻模燕尾的动态应力集中问题。
