12kg Payload 1442mm Reach Arc Welding Robot Arm with IP67 Hollow Wrist This 12kg payload 1442mm reach arc welding robot arm is a six-axis machine built around a hollow wrist developed specifically for gas metal arc welding. The 1442 mm maximum reach, 12 kg rated payload and 0.04 mm pose repeatability let a single arm cover a welding fixture, a positioner station and a touch-up bench from one floor plate. The HW version routes the torch, wire feed hose and shielding gas line