MANUFACTURING PROCESS OF A GEAR PART, ESPECIALLY FOR A MOTOR VEHICLE GEARBOX

摘要

PROCESS FOR MANUFACTURING A GEAR PART, ESPECIALLY FOR A MOTOR VEHICLE GEARBOX The method comprises a first cleaning operation, a second prestressing operation and a third operation for obtaining a determined surface condition, these first, second and third operations occurring at least on the toothing of the pinion part and being carried out in the manufacturing process between preliminary steps (S1 to S7) and subsequent steps (S9 to S12) of manufacturing the part. According to the invention, the method comprises a specific shot peening step (S8), performed between the previous steps and the subsequent manufacturing steps, during which the first, second and third operations are carried out simultaneously. Figure 2