Constraint Set enables you to constrain two UCSs together. You can select UCS in part or assembly file.
Ribbon: Assemble tab Relationships panel
Constrain
, and then click the Constraint Set tab.
Selects two UCSs to constrain together.
Selects the first UCS.
Selects the second UCS. To select different first UCS, click First UCS, and then reselect.
Limits the selectable UCS to a single component. Use when UCSs are close to or partially obscure one another. Clear the check box to restore feature priority selection mode.
Select the check box to preview the constraint to apply. Constraint set UCS to UCS results in three Mate constraints, created between the corresponding pairs of YZ, XZ, and XY planes.
Sets the constraint name.
Creates a unique name for the constraint in the browser. You can enter a name or leave blank and a default name is automatically created.