I have done for you this time car manufacturing production line, You can find in the package welding guns, car body, KUKA box, fans all modeled by me.
I have done also kinematics for robots that you can use for simulation.Download and enjoy
Ing. Karl
BLEND (Blender, filesize: 343 MB), OBJ (OBJ, filesize: 343 MB), 3DS (3D Studio, filesize: 343 MB), STP (STEP, filesize: 343 MB)