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perpendicularity    
n. 垂直,直立

垂直,直立

perpendicularity
n 1: the relation of opposition between things at right angles
[synonym: {orthogonality}, {perpendicularity}, {orthogonal
opposition}]
2: the quality of being at right angles to a given line or plane
(especially the plane of the horizon)


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  • Perpendicularity to Two Datums - Eng-Tips
    Y14 5-1994 shows perpendicularity to two datums, which I've always used (Fig 6-35, p 182) Y14 5-2009 and 2018 show perpendicularity to two datums but add an angularity constraint to A|B (Fig 6-4, p 101) I believe the intent is the same, but the addition of the angularity FCF is just confusing
  • Perpendicularity - Eng-Tips
    Perpendicularity is an angularity control but this one is set at 90 degrees It is not strictly angularity though Perpendicularity on a flat surface also includes flatness
  • Difference between axial total runout and perpendicularity
    Further questions regarding runout and perpendicularity, if both Fig 9-4 and 9-5 runout callout means perpendicularity, what is the differences between them? Season
  • Perpendicularity callout with curved datum | Eng-Tips
    perpendicularity: the condition of a line element, surface, tangent plane, feature’s center plane, or feature’s axis at an implied or specified basic 90° perpendicular) angle relative to one or more datum planes or datum axes So, no to specific line
  • Perpendicularity to 3 datums | Eng-Tips
    The perpendicularity requirement could be a refinement of profile modified by <CF> (profile for location could be applied as a "2X" pattern) The role of the 18 non-basic dimension is not clear - if there is an attempt to apply it for location with some default title block tolerance that's not a supported practice
  • Typical tolerances for perpendicularity of press-fit dowel pins
    So the perpendicularity has been basically whatever is best effort by the machinist I also don't have precise enough equipment to measure the perpendicularity of the parts we have now Does anyone have a ballpark good value for perpendicularity of a press-fit pin? Say, a 3 or 5 mm diameter pin with an h6 ISO tolerance Many thanks!
  • Using Position to control perpendicularity | Eng-Tips
    In the perpendicularity case, the two tolerance zones have to be perpendicular to the datum center plane A And that's all In the position case, the two tolerance zones have to be perpendicular to the datum center plane A, but also coaxial with each other
  • Perpendicularity | Eng-Tips
    Can anyone please clarify if a perpendicularity call out is controlled by a basic dimension or not? In other words is the tolerance zone centered on a basic dimension?
  • Relationship of Rule 1 with perpendicularity tolerance - Eng-Tips
    Certainly the perpendicularity tolerance can itself be anything, but in the case presented to us, the perpendicularity tolerance will fail The missing link that connects the two concepts is form (flatness) I would certainly agree with you if it were not curved but merely a straight-sided parallelogram





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