... machine for flange. it is special welding positioner.1. Dedicate design, high precise rotation, small inertia, ... , head-tail lifting rotaty type, head tail inclined type and double rotaty type for your selection.3. The overturn of workgroop ... welding of various rotation working piece inclding shafts, trays, cylindrical body, etc.6. Fitted with welding operation machine, automatic welding is ...