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Cylinder Min Value compared to Max Inscribed

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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  • 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.


    Nothing. You are correct. If they happen to give the same value then it is coincidental.
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  • 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.


    Nothing. You are correct. If they happen to give the same value then it is coincidental.
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