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Cylinder Min Value compared to Max Inscribed

mgroll77
I was asked if the measured max inscribed value of a circle/cylinder should be the same as the minimum value measured for that same circle/cylinder.

As far as I understand it, a max inscribed value of a hole is based off of the 3 inner most points to a circular axis. It's the largest virtual or actual pin that will fit in the ID. The minimum value is the point closest to the circular axis, (radius*2). Sometimes max inscribed and min value are the same, sometimes not.

What am I missing.
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  • Sometimes max inscribed and min value are the same, sometimes not.



    If you measure a circle with 3 hits, you will have the same result !!!!!
    I don't know about measured circles, but for auto circles or constructed circles, the values are different (for more than 3 hits).
    If it doesn't work for measured feature, you can create circles from hits and look at the result (CIR1.HIT[1..CIR1.NUMHITS])
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  • Sometimes max inscribed and min value are the same, sometimes not.



    If you measure a circle with 3 hits, you will have the same result !!!!!
    I don't know about measured circles, but for auto circles or constructed circles, the values are different (for more than 3 hits).
    If it doesn't work for measured feature, you can create circles from hits and look at the result (CIR1.HIT[1..CIR1.NUMHITS])
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