12kg Payload 2010mm Long Reach Arc Welding Robot Arm for Flexible Welding This 12kg payload 2010mm long reach arc welding robot arm is the extended version of the KR 12 arc HW platform, built for large weldments that a compact arm cannot cover. A 2010 mm maximum reach with a 12 kg rated payload and 0.04 mm pose repeatability lets the torch follow a chassis rail, a tank shell or a structural beam from one base position, without indexing the workpiece between passes. The hollow