Involute Gear Cutting on the Shaper - Drawings and Calculations

As this subject has been one of the most popular on my channel, this video is a consolidation of the drawings, concept designs and manufacture of the gear cutting attachment for the shaper! Please subscribe to my channel if you enjoy this content thank you! Here we are building an attachment to cut an involute gear on the douglas metal shaper, using a rack form (20 degree V) straight sided tool from first principles