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Screw gear drive 2

 

Normal module mn = 2 mm
+ Pinion:
- Helix angle B1 = 30 deg., left hand
- Tooth number Z1 = 15
- Pitch circle dia. D1 = 34.64 mm
+ Wheel:
- Helix angle B2 = 30 deg., right hand
- Tooth number Z2 = 30
- Pitch circle dia. D2 = 69.28 mm
Angle between gear axles E = B1 + B2 = 60 deg.
Velocity ratio: i = Z2/Z1 = D2/D1 = 2


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