AME(Actual Mating Envelope)
envelope, actual mating(AME):
(a) 관련 AME(재료와 관련):
내부 형상 내에서 확장되거나 외부 형상에 대해 축소된 유사한 완벽한 형상 대응물은 방향, 위치 또는 해당 기준에 대한 방향과 위치 모두에서 제한(제약)됩니다.
(b) 비 관련 AME(재료와 비 관련):
내부 형상 내에서 확장되거나 외부 형상에 대해 축소되고 어떤 데이텀에도 구속되지 않는 유사한 완벽한 피쳐(들) 대응물(상태).
3.29 ENVELOPE, ACTUAL MATING (AME)
envelope, actual mating: a similar perfect feature(s) counterpart of smallest size that can be contracted about an external feature(s) or of largest size that can be expanded within an internal feature(s) so that it coincides with the surface(s) at the highest points. This envelope is on or outside the material. There are two types of AMEs, as described below.
(a) related AME: a similar perfect feature(s) counterpart expanded within an internal feature(s) or contracted about an external feature(s) while constrained in orientation, in location, or in both orientation and location to the applicable datum(s). See Figure 3-1.
(b) unrelated AME: a similar perfect feature(s) counterpart expanded within an internal feature(s) or contracted about an external feature(s), and not constrained to any datum(s). See Figure 3-1.
Figure 3-1 Related and Unrelated AME
Figure 3-2 Related and Unrelated Actual Minimum Material Envelope From Figure 3-1
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