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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 - 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
  • 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 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
  • Perpendicularity to 3 datums | Eng-Tips
    The perpendicularity callout with its datum references is "legal" and fully defines the orientation of the surface The tolerance zone is perpendicular to datum A (primary), but also at a direction set by B (secondary), C (tertiary): B gives a rotation axis and C stops that rotation, finally allowing the establishment of a single specific
  • 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?
  • 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!
  • Perpendicularity of an axis - Eng-Tips
    For example, a perpendicularity could be used with the projected tolernace zone (circled P) followed by two numbers values -first value is the length of the projected toleranced feature + the offset of the projected toleranced feature from the reference plane;
  • Difference between axial total runout and perpendicularity
    Hi all, A part is consisted of two coaxial cylindrical features Is there any difference between the following callouts: 1 Perpendicularity on the end face of one of the features to a datum axis of the other feature 2 Total axial runout on the same end face to the datum axis In terms of
  • Orientation controls referencing 2 datums | Eng-Tips
    Perpendicularity control referencing 2 datums in the FCF, when the controlled feature is nominally perpendicular to the secondary datum and at some other angle to the primary datum





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