In the hydraulic counter pressure drawing,with a blank being pushed to a punch surface formed by higher fluid pressure,a good die fittingness of shells and a high accuracy of its inner diameter can be obtained.

充液拉深成形中亚洲欧洲国产青草衣衣，由于高壓液體緊緊將毛坯貼向凸模表面一级片不卡网站，因而零件具有良好的貼模性并能獲得很高的內(nèi)徑精度。

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