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shot peening strengthening

The metal parts operated in cyclic loading condition and subjected to the action of cycling stress need shot peening strengthening process to improve the fatigue life.

Shot peening is mainly used in strengthening processing of crucial parts such as helical spring ,leaf spring, twisted bar,gear, transmission parts, bearing ,cam shaft, bent axle , connecting rod and so on.

When the airplane landing, the landing gear must withstand the formidable impact that it needs shot peening treatment regularly. The wings also require the periodic stress release treatment.