Prediction and Minimization of the Heat Treatment Induced Distortion in 8620H Steel Gear: Simulation and Experimental Verification

Chinese Journal of Mechanical Engineering

Table 3 The measured distortion results of the gear for the new method

Gear No.	Runout value before heat treatment (mm)	Runout value after heat treatment (mm)	Difference value
1	0.020	0.050	0.030
2	0.020	0.050	0.030
3	0.020	0.080	0.060
4	0.040	0.040	0.000
5	0.030	0.070	0.040
6	0.040	0.050	0.010
7	0.030	0.080	0.050
8	0.010	0.080	0.070
9	0.035	0.070	0.035
10	0.020	0.030	0.010
11	0.020	0.040	0.020
12	0.020	0.060	0.040
13	0.025	0.040	0.015
14	0.020	0.060	0.040
15	0.030	0.050	0.020
16	0.010	0.040	0.030
17	0.010	0.030	0.020
18	0.010	0.030	0.020
19	0.020	0.040	0.020
20	0.020	0.050	0.030
Average	0.023	0.052	0.029