Axle gear ring tray machining process
A processing technology and ring gear technology, which is applied to the processing technology field of the axle gear ring gear tray, can solve the problems of poor wear resistance, large ring gear modulus, easy wear and failure, etc., and achieves strong wear resistance, high hardness, and extended use. effect of life
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[0026] The processing technology of the axle gear pallet of this embodiment includes blank preparation, rough machining, heat treatment, semi-finishing, finishing and product inspection, and specifically includes the following steps:
[0027] a. Blank preparation: purchase forging blanks and inspect the material, size and appearance of forging blanks;
[0028] b. Roughing:
[0029] b1. Rough turning with small outer circle, inner hole, end face, reserved machining allowance of 2~3mm, all surface roughness reaches Ra12.5;
[0030] b2. The total length of the roughing, the large spigot and the outer circle of the tooth, reserve a machining allowance of 2~3mm, and the total surface roughness reaches Ra12.5;
[0031] c. Heat treatment: adopt modulating treatment, quenching and tempering hardness is 250-280HB, modulating method is: heat the workpiece to 880℃~900℃, hold for 30 minutes and then carry out infiltration for 3 hours, the carbon potential is 0.4, then the temperature drops to 860℃ ...
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