how to make gear in ug8 (ug5,ug7)?
you can make gears with Execute GRIP option in UG.
this gear making program (gear.zip) was tested in ug5,ug7 and ug8.
but, maybe that'll be available other ug version.
tutorial making gear.
Answered with a tutorial: https://grabcad.com/tutorials/how-to-make-gear-in-ug8-ug5-ug7