About Propagating Flexible Components
You can propagate flexibility back to a component with the same shape and configuration. Propagation may be necessary to change the base component that contains varied items. The Make Flexible > Propagate to > Model command changes the original model according to the varied items existing in the selected component. Varied items from upper levels that drive it and its components are also changed. For example, when a flexible subassembly changes, the models that are driven and affected by the flexibility change as well.
Use the Make Flexible > Propagate to > Model command for:
Flexible components
Components driven by varied items
Members of a flexible subassembly or one that contains components driven by varied items at any level
The same spring, propagated two times, in different states of compression shows propagated flexible components.