The series has been installed center distance adjustment device, air-driven clearance compensation device, air-driven friction clutch and brake as well grease automatic lubrication system.  For 370 and 460 series, the robot arm’s clamps are driven by adopted servo motor and ball screw, and are rotated by rotating oil cylinder instead of rod oil cylinder in which there is a set of temperature control and filter system for oil.  Meanwhile, it is equipped with PLC and operating human-computer interface which can show, program, and adjust various movement on the touch screen.