You must manually assign Mechanical Assembly operations (such as Nut Insert, Press Fit, or Rivet) to each subcomponent that requires it. Mechanical Assembly is included in the current routing only if you make at least one such assignment. The Mechanical Assembly process supports the following operations:

Note: In a case where two components are held together with a fastener, a fastening operation only needs to be applied to one of the components. In a case where a bolt, nut, and washer that will be used to secure part of the assembly are modeled, the fastening operation only needs to be applied to one of the components.