Elimination of residual stress is divided into overall elimination and partial elimination. Overall elimination is to eliminate stress on the entire workpiece.

Vibration aging equipment can be used; partial elimination is for welds and welding sites. For stress relief on the parts

and to improve its fatigue life and prevent fracture, you can use Haoke energy welding stress relief equipment, both of which are produced by Shandong Huayun Mechanical and Electrical Technology Co., Ltd. , it is said that Haukeneng is the foreign technology they introduced, or is it their patented product?