Device for Making Hexagon on a Lathe 21 November 2016, 03:00 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! The tooth number of the fixed gear is double the one of the satellite gear. The processing length is not limited. « previous mechanism Saurrus Linkage next mechanism » Friction Roller Drive load comments Please enable JavaScript to view the comments.