The present invention provides a
punch press that enables the arrangement length of a motor and a
crank mechanism to be reduced so that the motor can be installed without being projected far from a side of a frame, the
punch press avoiding biasing the motor, which may act as a heat source, to reduce the magnitude of deformation resulting from a difference in
thermal expansion between the right and left sides of the frame. A
punch press includes a
servo motor 2, a ram 3 which drives a press tool, and a
crank mechanism 4 which converts a rotating motion transmitted to a
crank shaft 6 into an elevating and lowering operation of the ram 3. The punch press is provided with a drive transmitting mechanism 5 which transmits rotation of the
servo motor 2 to the crank shaft 6 while reducing a rotation speed. The
servo motor 2 is placed by the side of the crank mechanism 4 so that its rotating axis 01 is parallel to the axis 0 of the crank shaft 6. The drive transmitting mechanism 5 is composed of a gear mechanism in which servo motor side gears 15A, 15B joined to respective output shafts 14A, 14B of the servo motor 2 engage, directly or via intermediate gears 17A1 to 17B2, with crank side gears 16A, 16B, respectively, joined to the crank shaft 6.