Posted by BillS on June 24, 2015 at 08:25:05:
In Reply to: Re: Checking Accuracy of Pressure Angles posted by cnc mod on June 23, 2015 at 10:22:44:
How did you measure the 26 deg PA? Did you locate the PA at the intersection of pitch circle and tooth flank (I don't think so)?
What is the pitch and OD?
If you measured PA at a point above the pitch circle, then you would expect the angle of profile to be larger than 20 deg...
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