Sync Animation with Connection Editor
Maya 2012 Tutorial
How to Sync Animation with the Connection Editor in Maya
This technique is helpful if you want to sync attributes of multiple objects. For instance, Let's say you have a car with four wheels. The right rear wheel can be used as the driver. By having the remaining wheels copy the rotation of the right rear wheel, you only need to animate the one wheel. As you rotate the right rear wheel, all the other wheels rotate in the same manner. Consider connecting rotation, translation and/or scale as you connect your animated objects.
Add two cylinders to the workspace by choosing Create > Polygon Primitives > Cylinder.
Using the Move tool (w key), move the second cylinder 5 units in the x direction.
Click the first cylinder, then shift select the second cylinder.
Choose Window > General Editors > Connection Editor. The left panel should be loaded with the first cylinder and the right panel should show the second. If not, click the appropriate cylinder and click the Reload button for the panel.
Scroll down the left panel and open the rotate category by clicking the plus icon. Click rotateY to select it.
Scroll down the right panel and open the rotate category by clicking the plus icon. Click rotateY to select it.
Select the first cylinder in the workspace. Use the Rotate tool (e key) to rotate the object around the y axis. As you rotate the cylinder, the second cylinder also rotates.