press trimming

基本解釋

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壓力下除去金屬。
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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切邊液壓機充液閥脫落、斷裂失傚的過程和原因，提出了相應的解決措施和充液閥設計應注意的問題。
Forging: We have 31 lines of professional forging equipment at our forging plant, they're die hammer, friction press, punching machine and trimming machine.
鍛件：我們在鍛造上擁有31條專業(yè)生産線，有模鍛鎚、摩擦壓力機、沖牀、熱処理生産線、各種整理深加工設備。