This detailed and advanced model is based on a KUKA robot.It is modeled for subdivision.The rig can be switched or blended between IK / FK. In the IK-mode, the rig can be set so that the welding head follows a specified welding path. A particle system for welding sparks is also prepared. Rendering is possible in Eevee and Cycles.
OBJ (OBJ, filesize: 107 MB), BLEND (Blender, filesize: 69 MB)