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The machlnes are used for punching shear the cold crimped engine bed with the thickness of 0.4- 6mm the width of 2000mm Material strength of 450N/mm2The specifications of punching shear are su~eyed by the bit of TB5-20 mesh grid plate:if the TB TL are changed the punching shear knife is also changed;TB,TL are increased,the punching shear strength is reduced:TB,TL are reduced,the punching shear strength is increased In order not to damage components for the excess load.The machines are used for punching all kinds of expand plate mesh in construction.common hardware,window and door,machine protecting etc.
