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  1. Replies
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    I don't know what software you have on Zeiss, on...

    I don't know what software you have on Zeiss, on PCDMIS which I am familiar with you would measure auto circles and use pitch function.
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    I think you have to run it on the CMM. Your A is...

    I think you have to run it on the CMM. Your A is cylinder which locks level and origin, clocking(rotation) in that case is not needed, center line of the thread has to be always inside .0002...
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    ASME Y14.5-2009 fig 2-14 and 2-17

    ASME Y14.5-2009 fig 2-14 and 2-17
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    Same example is discussed somewhere else:...

    Same example is discussed somewhere else: "position’s main job is to control location — meaning that it involves a distance — and perpendicularity often comes along as part of that position control. ...
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    Once your established AB alignment is rotated by...

    Once your established AB alignment is rotated by fixed 60 degrees, any point of the the axis of .168 feature has to lie within .005 cylindrical zone.
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    ASME is my best guess, does not say on the...

    ASME is my best guess, does not say on the drawing. It uses 3rd angle projection, size listed like that: B (A3) but general tolerances in the notes are to DIN 16901-150.
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    Asme

    Asme
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    Thank you Kelly, any inputs on second part of my...

    Thank you Kelly, any inputs on second part of my question?
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    Problem understanding those callouts

    Looking for explanation of those callouts. Diameter 30 +/- 0.25 and cylindricity of 0.2 apply to the same feature. What is the purpose of having both? Wouldn't be enough to just have 30 as a basic...
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    Thank you Kelly. I still would like to know if...

    Thank you Kelly. I still would like to know if specifying length instead of width of the round slot as a datum is correct? I simply look at this from measuring perspective where, in order to rotate...
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    I think I figured out first part, if the size...

    I think I figured out first part, if the size increases by 0.02 than allowable shift increases by half of it so 0.01. I am still not sure if MMC modifiers associated with B (hole) and C (length of...
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    Position of round slot

    I am trying to grasp the concept of the round slot position callout. As per ASME Y14.5M 94 GD&T standard (I don't have newer one), section 5.10.1 - "Noncircular features at MMC", point "c" states:...
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    Here is a little more info. Part is plastic,...

    Here is a little more info. Part is plastic, overall dimensions as shown, approx. 3 mm thick. We need to order checking fixture but all we have is CAD file and 2D drawing which does not have any...
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    Need help with correct callouts

    We have a part which has 2 openings where 2 clips will go and snap into semicircles marked in red. Centers of those 2 clips (or red semicircles) will be our 2 main datums. What is the correct GD&T...
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