Posted by Tom Ramsey on August 09, 2012 at 15:52:03:
In Reply to: Re: mikron 122 gear hobbing machine posted by gore pravin p on May 29, 2011 at 07:30:45:
Metric pitch/90 = F/E x H/G
For "diametral pitch" (pd x pie x 25.4) / (tan helix<) = Metric pitch
where:
pd is pitch diameter
pie = 3.14159265