press trimming

基本解释

Punching . Punching is the process of trimming or removing material with dies in a press .
是精整加工或用模具在压力下除去金属。
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For the fault of prefill valve occurred in hydraulic system of 50MN trimming press, the causes have been analyzed and eliminating measures put forward.
分析了50MN切边液压机充液阀脱落、断裂失效的过程和原因，提出了相应的解决措施和充液阀设计应注意的问题。
Forging: We have 31 lines of professional forging equipment at our forging plant, they're die hammer, friction press, punching machine and trimming machine.
锻件：我们在锻造上拥有31条专业生产线，有模锻锤、摩擦压力机、冲床、热处理生产线、各种整理深加工设备。