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发表于 2010-3-13 14:03:25
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来自： 中国江苏常州
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[url]http://cr4.globalspec.com/thread/51795 [/url]+ n" h3 c5 X: o n5 w N
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ASME Y14.5-2009:
: B$ b0 k9 c" l! x* C* z1.6.2 Decimal Inch Dimensioning1 c* Y S5 v6 u i; }' z
The following shall be observed where specifying decimal inch dimensions on drawings:7 v/ h( R1 r* [5 W. c
(a) A zero is not used before the decimal point for values less than 1 in.
! T# P7 x7 M( U% i(b) ............) m; E8 E, ~; U7 n. q
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But, on the other hand .........7 y- R# j( _5 l& f3 z
1.6.1 Millimeter Dimensioning
) p6 T/ X6 W. UThe following shall be observed where specifying millimeter dimensions on drawings:6 d/ b1 n1 S l4 c* Z
(a) Where the dimension is less than one millimeter, a zero precedes the decimal point. See Fig. 1-4.0 k( M/ Z2 H0 c. p: d& G
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发表于 2010-3-13 16:06:59
