Spur Gear Tooth Pitting Propagation Assessment Using Model-based Analysis

Chinese Journal of Mechanical Engineering

Table 2 Averaged mesh stiffness reduction (%) caused by tooth pitting

Mesh period No.	Double-tooth-pair meshing duration			Single-tooth-pair meshing duration
Mesh period No.	Slight	Moderate	Severe	Slight	Moderate	Severe
1	0	0	0.18	0	0	2.84
2	0	0.18	1.04	0	2.83	11.61
3	0.18	1.06	3.27	2.86	11.70	55.78
4	1.04	3.20	5.38	11.61	55.33	55.37
5	1.57	4.26	19.02	2.87	11.73	55.83
6	0.40	1.54	4.17	0	2.87	11.68
7	0	0.41	1.56	0	0	2.86
8	0	0	0.40	0	0	0