Gear Defect Modeling of a Multiple-Stage Gear Train

Table 1

Gear design parameters.

Modules (mm/tooth)	𝑚1=4; 𝑚2=5
Number of teeth	𝑍𝑎=17; 𝑍𝑏=60;
	𝑍𝑐=19; 𝑍𝑑=72
Standard pitch circle diameter (mm)	𝐷𝑎=68; 𝐷𝑏=240;
	𝐷𝑐=95; 𝐷𝑑=360
Total gear ratio	13.375
Pressure angle	20°