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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]
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1 v0 J0 c; S$ n. @0 r, T4 yASME Y14.5-2009:
# U: ?: l9 L1 K' Z0 ^1.6.2 Decimal Inch Dimensioning
, p6 F) L: B6 v5 [3 GThe following shall be observed where specifying decimal inch dimensions on drawings:
7 @. O" q) T3 o* B! v. }$ a7 D(a) A zero is not used before the decimal point for values less than 1 in.2 z8 K. K2 O5 a$ \1 @9 ]
(b) ............
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, `# [3 n# k& j" q7 G$ O: A3 V- ^4 dBut, on the other hand .........# [ k, h, t# b+ F- B% ^. I
1.6.1 Millimeter Dimensioning9 s0 V* K2 d! `& e
The following shall be observed where specifying millimeter dimensions on drawings:
2 b- ?# u' `% C: d2 G# o9 E(a) Where the dimension is less than one millimeter, a zero precedes the decimal point. See Fig. 1-4.
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发表于 2010-3-13 16:06:59
