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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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" O8 o5 I% C" H& w. F, }ASME Y14.5-2009:
U+ K6 n9 |& \) Y! v0 W2 G* |$ @: U1.6.2 Decimal Inch Dimensioning
- b# ^, [0 `, UThe following shall be observed where specifying decimal inch dimensions on drawings: x( N1 W; ]* v8 ?* ]1 E
(a) A zero is not used before the decimal point for values less than 1 in.0 j3 j: ^8 @" Y
(b) ............! p u3 \/ ]5 i$ i* U% R
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0 L7 [" W* E2 H) [: N6 t, [But, on the other hand .........7 e$ @; H: C4 t/ Y+ h2 F% o9 @
1.6.1 Millimeter Dimensioning$ z& q1 D+ ?+ r7 R2 O: e
The following shall be observed where specifying millimeter dimensions on drawings:: F' b9 F/ X' [2 U0 Y; g
(a) Where the dimension is less than one millimeter, a zero precedes the decimal point. See Fig. 1-4.$ s3 e2 \8 D& z8 o, ?9 J! V% }
(b) ... |
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发表于 2010-3-13 16:06:59
