出色的流动性还减少了模垢和模具磨损现象，从而降低了维护成本，延长了工具使用寿命，因而降低了工具的摊销成本。
Superior flowability also provides for a reduction of in-mould deposits, lower mould wear resulting in lower maintenance cost and longer tool life, and therefore lower amortization cost of the tool.
冲孔凸模磨损是模具失效的主要形式之一。
The wear of piercing punch is one of main die lose efficacy.
数值模拟结果表明获得的预成形H/D最佳尺寸可明显减少模锻锤击次数和模具磨损。
Numerical simulation results show that the optimal preform H/D dimension thus obtained can greatly reduce hammering times and die wear.
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