# Function-Block | Gearing

### Why use a Gearing Function-Block?

 The Gearing FB applies a simple linear equation to motion-values at its input-connector. The linear equation: Output motion-value = ( * (Input motion-value + )) + After you add a Gearing FB, open the Gearing FB dialog-box to edit the parameters in the linear equation.

Toolbar :

Kinematics FB toolbar

Gearing FB

 STEP 1: Add the Gearing FB to the graphic-area
 1 Click Kinematics FB Toolbar  > Gearing FB
 2 Click in the graphic-area

The Gearing FB is now in the graphic-area.

To Edit :

 STEP 2: Open the Gearing FB dialog-box
 1 Double-click a Gearing FB in the graphic-area or Assembly-Tree

- or -

 1

Dialog :

 STEP 3: Use the Gearing FB dialog-box

Notes :

The default parameter do not change the motion-values at the output-connector.

 • Use a Gearing Ratio of '-1' to reverse the direction of a Crank.
 • Connect a Gearing FB to the input of a Motion FB to change the frequency of the motion.
 • Connect a Motion FB to the input of a Gearing FB to change the amplitude or direction, or both, of the motion.