Posted by David Hollinger on March 12, 2012 at 15:53:05:
In Reply to: Re: Barber Colman 2 1/2-4 posted by BillS on March 09, 2012 at 17:29:09:
I think we solved it. We were using a 20 pitch hob on a large, 2 1/2" diameter gear blank. I requested the specs on the 2 1/2-4 machine and found out the maximum pitch is 30. It appears that the machine is just not rigid enough for the 20 pitch stuff. We have a few of these machines and they work fine on 32 pitch and less. We moved the job to a 6-10, no more problem.
Thank you for your response!
By the way we were using a conventional cut.
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