Posted by Jim Pollock on January 31, 2010 at 19:57:35:
In Reply to: Re: problems with Barber Colman #12 posted by BillS on January 31, 2010 at 13:48:13:
Thanks for the reply. I had a pretty good size bar trying to check the backlash in the work spindle but the worm gear housing definitely doesn't get hot while running so I will try to snug it up a little. Which should I try first, the endplay in the worm or adjust the worm closer to the worm gear? Do you see anything wrong with my setup as this is the first hobber that I have ever run and I really don't know what I am doing.
One other thing is that I have only cut a few gears with this hobber but it cuts much better using a 6dp hob than it does using a 7dp hob. Why would that be? The 6dp hob is a little bigger in diameter. They are both about equal as far as sharpness goes.