Angularity

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  • feed_my_head
    commented on 's reply
    I agree. Workplane and the correct alignment (unless you're doing 2 planes in 3D, then I would have to think on it...)

  • JEFMAN
    replied
    I would check the workplane...
    35 mm of angularity shouldn't result of a machining defect (except if the operator has drink too much !), I think it's a construction error...

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  • Schlag
    replied
    I had to explain this to someone recently. They were not understanding a thing until I said its the same a perpendicularity but at any angle you need ? Perp is just angularity that happens to be applied to only a 90°.

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  • VinniUSMC
    commented on 's reply
    You are correct.

  • bpierce
    replied
    I am thinking the angularity result will be directly affected by the length of the line being measured.
    The angularity measurement of a 1.000" line deviating -0.11 degree is less than the result of 2.000" line deviating -0.11 degree.
    Angularity of 6.3MM on a "short" line could be a very large angle change.....

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  • VinniUSMC
    replied
    Angle tolerance zone is pie shaped. Angularity tolerance zone is two parallel lines XX distance apart, centered on the nominal angle.

    Knowing the angle measurement doesn't tell you whether angularity is good or not.

    Basically, it's just a surface profile at a basic angle from the datum. The surface could be wavy, or off angle.

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  • NinjaBadger
    replied
    Switch graphical analysis on to see what's happening

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  • dhoughton
    started a topic Angularity

    Angularity

    Can someone please help me understand how PC-DMIS calculates angularity. I'm checking the angularity between two lines that are called out at 45 degrees and the angle is measuring 44.89 which is well within spec. The angularity callout is 6.3 but on the legacy angularity dimension it is giving me a measured value of 35.001. ????

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