Damage Degree Detection of Cracks in a Locomotive Gear Transmission System

Table 5

Main parameters of the gearbox.

Notation	Physical meaning	Value
		Pinion	Gear
	Module (mm)	8
	Pressure angle (^0)	20
	Addendum coefficient	1	1
	Tip clearance coefficient	0.25	0.25
	Face width (mm)	175	136
	Number of teeth	23	120
	Tooth profile shift coefficient	0.362	0.151