Posted by Ron V on August 21, 2006 at 02:41:06:
In Reply to: Hobbing a Prime gear?? posted by Ed Baker on August 20, 2006 at 23:40:24:
Set up the the indexing train to cut a gear as close to the prime number required and then use the diff to compensate for the error. Be careful though as some machines will only allow you to take one cut.