CLAMP DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a compact clamp device capable of reducing cost and an energy consumption amount. SOLUTION: A motor driving a hydraulic pump unit 94 provided to operate hydraulic cylinders 64 and 68 used in the travel of each of a knock pin 62 and a clamp member 66 used to clamp a workpiece 58 on a clamp device 60 and a hydraulic cylinder 78 used to operate an elastic ring 76 used to prevent unnecessary rotation of a turn table 72 attached to a lower face of the clamp device 60 is defined as an inverter motor 96.