A method of making a punch guide hole in a plate pusher in a punch assembly, a punch assembly and a plate pusher

摘要

There is provided a method of mounting a plate presser 23 to a punch guide 5 and machining a guide hole 23G and a punch assembly 1 thereof.;The distal end of the engagement dented portion 25 protruding from the plate pusher 23 is temporarily pushed into the engagement hole 19 provided in the punch guide 5 to pause the punch assembly 1, The punch body 5 is lowered to press the plate pusher 23 against the die D so that the engaging protrusion 25 of the plate pusher 23 is pushed down And the guide hole 23G is guided in the plate pusher 23 by the punching processing portion 7 at the same time as press fitting into the engaging hole 19. [;A punch body (9) is provided in the punch guide (5) so as to be movable up and down and a punch assembly (23) is detachably engaged with an engaging hole (19) provided in the punch guide 1 is provided with inclined surfaces 5S and 23S on a part of the outer peripheral surface of the lower end of the punch guide 5 or a part of the upper surface of the flange of the plate pusher 23.