2mm slider stroke, 30mm stroke times. In the spare parts information of Yangzhou Li Xing 125t punch press, the parameters of the punch press are 2mm of slider stroke and 30mm of stroke times. A punch is a punch. In national production, stamping technology has been more and more widely used because of its advantages of saving materials and energy, high efficiency, low technical requirements for operators and products that cannot be machined through various molds.