Posted by ron jones on June 29, 2015 at 14:38:35:
In Reply to: Re: Checking Accuracy of Pressure Angles posted by BillS on June 15, 2015 at 12:11:04:
Thanks for the help, especially Dimebag and Bill S. So little written about Pressure Angles,yet it's obviously important. One local disc cutter manufacturer said even resharpening with an inaccurate device can throw the PA outside that 10' suggestion. So if 14.5 to 15 degree is too wide a gap (on a prewar motorcycle gearbox) and corrected 14.5 and 20 PA's overlap to give almost identical appearance (I am told) then extra care is needed when repairing gearboxes, machine tools etc.
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