When using Move to drag or rotate a part in an assembly.. i.e a hydraulic cylinder piston; how to avoid pulling the piston out of the cylinder ?
Maybe a collision sensor at each end, but are there any other / better way ?
I do not believe that V20 had the Range Offset for the Mate command or the ability to constrain to a path. These came in later versions. V20 is now 7 years old.
One thing that you can do is set the Analysis Options to "Stop motion when collision occurs"
and then select "Detect Collisions" and in the command ribbon.
Whilst this is not as precise as later methods it may suffice.