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

Table 5

Optimized dimensional and layout parameters to the Best solutions found by Case 4, Case 6, and Case 8.

Optimized solutions	Stage	Teeth number (zp,i, )		Module mn,i (mm)	Face width coefficient	Location para-meter Li (mm)	Orientation para-meter θi (degree)	Shaft diameter dsh,j (mm)
Best of Case 4: SP (ω = 2^0),	1st	zp,1	27	1.5	0.7072	118	162	dsh,1	25
			60					dsh,2	32
PCD method	2nd	zp,2	20	2.5	0.7006	69	65	dsh,3	50
			76
	3rd	zp,3	25	3	0.7170	125	342	dsh,4	75
			72
Best of Case 6:	1st	zp,1	25	1.5	0.7316	95	209	dsh,1	25
SOAPS-II,			66					dsh,2	34
PCD method	2nd	zp,2	26	2	0.7004	139	99	dsh,3	50
			82
	3rd	zp,3	19	4	0.7008	83	194	dsh,4	75
			56
Best of Case 8:	1st	zp,1	21	2	0.7022	90	156	dsh,1	25
RM,			49					dsh,2	33
PCD method (the optimal one)	2nd	zp,2	20	2.5	0.7000	145	71	dsh,3	49
			65
	3rd	zp,3	24	3	0.7087	91	347	dsh,4	75
			77