Actuator Selection Procedure - Harmonic Drive HFUS-2A Series Engineering Data

4. Driving Arrangements
A variety of different driving arrangements are possible with Harmonic Drive® gears.
Equation 16.1
Input speed
Ratio i =
Output speed
Overview Harmonic Drive® Products
The three main components of the Harmonic Drive® units, Circular Spline (CS), Flexspline (FS) and Wave Generator (WG) can
be seen in the illustration 16.2.
Illustration 16.2
The values for ratios of Harmonic Drive® gears refer to the standard input and output arrangement (example 1 in the table
below). Other arrangements are possible, and also shown in the table.
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