... Automatic filter cage welding and pulling round, oval, star cages CNC cage welder ZGTEK Support cage welding machine for bag filtersCage ... -wire, 6m cage3. Bad weld detection, auto re-weld4. Linear Bearing Rail, better cage precision5. Work with stainless steel, mild steel and ... connected to the welding unit. The front end of the rail is adjustment-free. Good linearity can be achieved for wire ...