Posted by Malcolm Brown on October 12, 2007 at 16:33:07:
In Reply to: Re: 22 1/2Degs Double Helical Gears posted by John Cerra on October 12, 2007 at 16:16:50:
yes herring bone is another name for them.the gear is 73 teeth 20 PA 2.5 DP depth of tooth on sunderland cutter is 0.759.
Thanks Malc