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目前大多数冲床采用红外、光电、感应、机械等安全保护装置,但由于老式冲床大多数不能实现任意位置停车,采用一般安全保护装
At present, most punches adopt infrared, photoelectricity, induction, machinery and other safety protection devices. However, most of the old-type punches can not be parked at any position and adopt general safety protection equipment