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ASME Y14.43-2011 changes

ASME Y14.43-2011 changes

ASME Y14.43-2011 changes

(OP)
Can anyone tell me or point me to somewhere that indicates what's changed with the new revision of the Y14.43 standard? Thanks.

RE: ASME Y14.43-2011 changes

Sorry it took so long, this is the list taken from a portion of the FOREWORD of the ASME standard Y14.43-2011.

Following are the revisions to this edition of ASME Y14.43:
(a)    Tables have been added to show definitions, sizes, tolerances, tolerance distribution, and roughness averages for various gage types and classes of fit.
(b)    The datum feature translation symbol is used and its meaning simulated in gages.
(c)    Moveable datum target simulators are shown for the movable datum target symbol.
(d)    Oddly configured datum features are simulated in gages with more information on gage element sizes.
(e)    More examples of push pin gages are shown.
(f)    Threaded holes are shown gaged in improved detail.
(g)    Completely disassemblable (sic) gages are shown in greater and improved detail.
(h)    Curved surfaces as datum features are simulated in gages.
(i)    Releasing and invoking spatial degrees of freedom for datum features is demonstrated and gaged.
(j)    Radii referenced as datum features are simulated in gages.
(k)    Offset slotted datum features are gaged.
(l)    The new symbol for unequal or unilateral profile tolerances is shown on gages.
(m)    Planar gaging elements referenced at basic locations are shown.
(n)    More examples of RFS and RMB datums feature simulators are illustrated.
(o)    Planar datum features are simulated at RMB and MMB.
(p)    Datum feature patterns are simulated at RMB with expanding gage pins.
(q)    More examples of profile of a surface used on oddly configured holes are shown.
(r)    Conical datum features are shown fixture in order to gage radial holes.
(s)    Complex datum patterns referenced at RMB and MMB were added.

Frank
 

RE: ASME Y14.43-2011 changes

(OP)
Thanks Frank. Have you had a read through of the standard? Any nuggets?

RE: ASME Y14.43-2011 changes

One thing I really like is the gaging examples are all the same parts as shown in the Y14.5 standard. It ties them all togeather, and helps extend the concepts to the next level.
Frank

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