... various automatic or manual welding, butt welding or facewelding of pipe, as well as welding of shafts ... , discs, barrel, etc, with advantages of compact volume, good appearance, lightweight and easy operation, which is ideal equipment ... interfacing with robot or welding manipulators, to realize the welding automation. ModelSTWB30STWB50STWB100STWB150STWB200STWB300STWB500Max loading(t ...