Posted by Steve Chen on January 21, 2006 at 01:32:48:
In Reply to: Re: accurate span measurment posted by ravi tarneja on December 09, 2005 at 15:13:24:
As my understanding, when span measuring, two face of gauge are contacted with two straight lines on tooth curve face. It will be steady.
And when you changing place of measuring, the tangent line rotating on base cylinder, the reading will be the same.If problem happens, that is the reason of manufacturing.
Is my understanding right?
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