You perform the following sequence of techniques in this tutorial:
Create a rigid group to ignore redundant mates in motion calculations
Replace redundant mate pairs that form a hinge with hinge mates
Replace redundant mates with mate primitives
Replace mates with bushings
Prerequisites
Before you try this tutorial, you should be familiar with the following concepts:
Building assemblies in the SolidWorks software
SolidWorks mates
Basic concepts of motion studies
Physical modeling, including degrees of freedom