The 600kg 240mm through-hole positioner has a controller with automatic control function to control the working status and working time of the welding machine and realize the linkage between the positioner and the welding machine. It can be used with manipulators, welding machines, and robots to form an automatic welding center, and can also be used to shift workpieces during manual operations. Whether it is in large-scale industrial production or in small-scale manual welding scenarios, it can play a huge role. The 240mm through-hole design provides great convenience for welding longer pipe fittings and flange joints. The 90° tilt range enables this positioner to perform welding at different angles, greatly improving welding quality and efficiency.