Model-Based Analysis of Spur Gears’ Dynamic Behavior in the Presence of Multiple Cracks

Table 1

Gear parameters used [3].

Parameter	Pinion	Gear
Number of teeth	25	30
Gear type	Standard involute (full-depth teeth)
Material	Steel
Pressure angle (degree)	20
Face width (mm)	20
Module (mm)	2
Elastic modulus (N/m^2)
Poisson's ratio	0.3
Contact ratio	1.63
Crack propagation angle (degrees)	20
Fillet radius (mm)	0.4
Backup ratio	3.3
Crack thickness (mm)	0.01
Crack width (mm)	20
Total length of the crack path (mm)	3.8