A motion for the ptcv joint is same to other joints. In case of the ptcv joint, only the displacement and velocity type of the motion is supported, and Starting from the Assembly Position option is added. For more information, click here.
Figure 1 Motion dialog box [PTCV Joint]
•Starting from the Assembly Position
•If it is checked (default), the start point of the motion is the location where the PTCV exists.
•If it is unchecked, the start point of the motion is the first point of the curve.
Figure 2 Definition of a Motion
o When the user wants to identify the start point of the curve, the ‘Preview for Curve Segments’ can be used. The first point is displayed as a bigger point and the direction of the curve is displayed by an arrow.
Figure 3 Preview for Curve Segments