Harmonic Drive SHG Series Manual page 28

Ratio
1)
FS WG
CS
Reduction gearing
CS Fixed
WG Input
FS Output
Equation 28.1
Ratio =
-
Input and output rotate in opposite directions.
4)
Speed increaser gearing
WG Fixed
CS Input
FS Output
Equation 28.4
Ratio =
i + 1
Input and output rotate in same direction.
7)
Differential gear
WG Control input
CS Main drive input
FS Main drive output
Numerous differential functions can be obtained by combinations of the speed and rotational direction of the three basic elements.
Please refer to our broshure "Differential Applications" available to download from our website.
28
2)
Reduction gearing
FS Fixed
WG Input
CS Output
Equation 28.2
i
1
Input and output rotate in same direction.
5)
Speed increaser gearing
CS Fixed
FS Input
WG Output
Equation 28.5
i
Input and output rotate in opposite directions.
Reduction gearing
Equation 28.3
i + 1
Ratio =
1
Input and output rotate in same direction.
Speed increaser gearing
Equation 28.6
1
Ratio = -
i
Input and output rotate in same direction.
3)
WG Fixed
FS Input
CS Output
i + 1
Ratio =
i
6)
FS Fixed
CS Input
WG Output
1
Ratio =
i + 1
1021387 12/2018 V02