TYPES OF GEARS | MAJOR DIAMETER | MINIMUM DIAMETER | MAX. DIM PITCH | MIN. DIM PITCH | LENGTH OF CUT | HELIX |
---|---|---|---|---|---|---|
SPURS | 72″ (182.88) |
.250″ (.635) |
1.25″ (20.32) |
96″ (.265) |
50″ (127) |
– |
HELICALS | 72″ (182.88) |
.0325″ (.0825) |
1.25″ (20.32) |
96″ (.265) |
50″ (127) |
1° to 45° |
DOUBLE HELICALS | 72″ (182.88) |
.250″ (.635) |
1.25″ (20.32) |
96″ (.265) |
50″ (127) |
1° to 45° |
HERRINGBONE | 40″ (101.6) |
10″ (25.40) |
3 Trav. | 10 (2.54) |
24″ (60.96) |
30° |
SPLINES (Involute) | 72″ (182.88) |
.250″ (.635) |
2/4 (12.7/6.35) |
48/96 (.5292/.265) |
50″ (127) |
1° to 45° |
SPLINES (Straight Sided) | 72″ (182.88) |
.250″ (.635) |
2″ (5.08) |
.150″ (.381) |
24″ (60.96) |
1° to 45° |
SERRATIONS | 72″ (182.88) |
.250″ (.635) |
– | – | 50″ (127) |
1° to 45° |
WORMS | 12″ (30.48) |
.250″ (.635) |
1.25″ (20.32) |
50.8 (.500) |
36″ (91.44) |
– |
WORM GEARS | 72″ (182.88) |
.500″ (1.27) |
1.25″ (20.32) |
50.8 (.500) |
– | – |
RACHETS | 30″ (76.2) |
1.750″ (4.445) |
2″ (5.08) |
159″ (.0625) |
24″ (60.96) |
– |