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Point Motion

Prescribes the movement between two parts (see Part (also called Bodies)). When you create a point motion, you specify the direction along which the motion occurs. You can impose a point motion on any type of idealized joint, such as a spherical or cylindrical.

See Spherical Joint Tool and Cylindrical Joint Tool.

Point motions enable you to build complex movements into your model without having to add joints or invisible parts. For example, you can represent the movement along an arc, of a ship in the ocean, or a robot’s arm.

There are two types of point motions:

■Single point motion - Prescribes the motion of two parts along or around one axis.

■General point motion - Prescribes the motion of two parts along or around the three axes (six Degrees of freedom).