Dimensional and Layout Optimization Design of Multistage Gear Drives Using Genetic Algorithms

Table 3

Parameters of the existing gear drive.

Stage	Teeth number (zp,i, )		Gear ratio ui	Module mn,i (mm)	Face width coefficient	Helical angle βi (degree)	Face width Bi (mm)		Shaft diameter dsh,j (mm)
1st	zp,1	22	2.6818	2	0.7319	12.6015	B1	33	dsh,1	26
		59
2nd	zp,2	20	3.6000	3	0.7289	13.6316	B2	45	dsh,2	36
		72							dsh,3	55
3rd	zp,3	22	2.6364	4	0.7206	12.6804	B3	65	dsh,4	75
		58