Patent ID: 6145424
Filing Date: 2000-11-14
Classification: B21D,B26D,B26F,Y10T

Abstract:
A punching machine comprising:a body frame having a table, the table supporting a workpiece to be worked;a first positioning device mounted on the table, the first positioning device positioning the workpiece in a first direction, the first positioning device including a first ball screw;a second positioning device mounted on the table, the second positioning device positioning the workpiece in the first direction, the second positioning device including a second ball screw;a working head mounted in the body frame so as to be positioned in a second direction perpendicular to the first direction to punch the workpiece; anda clutch connecting the first ball screw to the second ball screw so that the first and second positioning devices transfer the workpiece in the first direction simultaneously, wherein the first positioning device and the second positioning device are arranged in series in the first direction.