| Keterangan: | - The teeth are twisted and oblique to the gear axis
- The hand of helix is designated as either left or right
- Right-hand and Left-hand helical gears mate as a set
- But they must have the same helix angle
- Has higher strength compared with spur gears
- Suitable for high speed rotation ( rpm) - Reducing noise and vibration - Thrust forces in the axial direction |
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