1, The key to the process of the member bar is the welding between seal plate or cone head and steel pipe, the specification requirement of weld for 2nd grade. Although the factory has the automatic welding machine, but the angle of the welding torch, swing speed, and position and speed, all of this needed artificial operation. Cause all of them will make a big influence on quality. Because of this, the factory needs a mature, proven and effective welding process.
2, The production of bolt ball belongs to metal processing. The precision of the final angle of the screw hole is the key to the quality which means the precision of tools is very important.
3, The verticality and welding quality of the component make the big decision of the process of support. the screw hole is the key to quality which means the precision of tools is very important.
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