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介绍了单动压力机上的拉深装置和液压垫系统、多动压力机上可调压边力装置及控制系统,以及压边力的闭路控制,用以实现拉深过程中压边力的优化控制。
The drawing device and hydraulic pad system on single-action press, the adjustable pressure-edge force device and control system on multi-action press, and the closed-loop control of blank holder force are introduced to realize the optimal control of blank holder force during drawing process .