The development of welding positioner in machine tool industry is developed with the application and development of welding structure of machine tool products. The leading products of China's machine tool industry mainly include metal cutting machine tool products, forging machinery products, casting machinery products, woodworking machine tool products, tool products, abrasives and machine tool accessories products. Among them, metal cutting machine tools, forging machinery and casting welding positioner products are the main application fields of positioner in machine tool industry.

The welding positioner has gradually developed into a leading process in the machine tool industry, which is mainly reflected in the following aspects:

(1) some key enterprises have established a welding workshop or metal structure factory with a certain scale and established a complete welding treatment system. Absorbed and digested the welding process standards of the imported products, implemented the national professional standards, and formulated the enterprise standards.

(2) the welding process flow has been improved from a single processing technology to a whole set of new comprehensive engineering technology, including raw material pretreatment, cutting and blanking, forming, welding, post welding inspection and post welding treatment.

(3) CNC precision cutting and computer programming nesting technology have been applied, and the traditional manual cutting blanking has been changed, and the machining has been reduced.

(4) the new technology of vibration aging is popularized to reduce and homogenize the residual stress of welding structure, reduce the deformation of welding parts and stabilize the accuracy.