Welding skills have gradually developed into the leading skills of the punching profession, mainly reflected in the following aspects:
- (1) The establishment of a complete welding management system and the introduction of punch welding process standards.
- (2) Improve the welding process, from a single processing technology to a set of emerging comprehensive engineering skills from raw material pretreatment, cutting and blanking, forming, welding, post-welding inspection and post-welding treatment.
- (3) The use of CNC precision close opening and computer programming skills.
- (4) Promote the use of 2 gas and argon-rich gas maintenance welding, submerged arc welding and other advanced and efficient new skills.
- (5) It is widely used in radiographic testing and ultrasonic non-destructive testing to stabilize the internal quality of the weld.
- (6) The implementation of the new vibration aging process has achieved the purpose of reducing the residual stress of the welding structure, reducing welding deformation and stabilizing accuracy.
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