Timing Pulleys

Detailed Description

Timing Pulleys
Arc tooth Timing tooth
Type pb hg R r1 s 2δ profile angle
3M 3 1. 28 0. 91 0. 26~0. 35 1. 90 0. 762 ≈14°
5M 5 2. 16 1. 56 0. 48~0. 52 3. 25 1. 144 ≈14°
8M 8 3. 54 2. 57 0. 78~0. 84 5. 35 1. 372 ≈14°
14M 14 6. 20 4. 65 1. 36~1. 50 9. 80 2. 794 ≈14°
20M 20 8. 60 6. 84 1. 95~2. 25 14. 80 4. 320 ≈14°
Dimension of linear type pulley
Type MXL XXL XL L H XH XXH
bw 0. 84±0. 05 1. 14±0. 05 1. 32±0. 05 3. 05±0. 10 4. 19±0. 13 7. 90±0. 15 12. 17±0. 18
hg 0. 69 0 0. 84 0 1. 65 0 2. 67 0 3. 05 0 7. 14 0 10. 31 0
- 0. 05 - 0. 05 - 0. 08 - 0. 10 - 0. 13 - 0. 13 - 0. 13
Φ+1. 5° 20 25 25 20 20 20 20
rb 0. 35 0. 35 0. 41 1. 19 1. 60 1. 98 3. 96
rt 0. 13 +0. 05 0. 30 +0. 05 0. 64 +0. 05 1. 17 +0. 13 1. 60 +0. 13 2. 39 +0. 13 3. 18 +0. 13
0 0 0 0 0 0 0
2β 0. 508 0. 508 0. 508 0. 762 1. 372 2. 794 3. 048

Example of mark

1. Pulley Types
2. Dimension, Tolerance&Technical Parameters
3. Dimension of Pulley Tooth Flank Width
4. Order Attention