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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]- D. @8 q$ d. D: h, J: ~: i n
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ASME Y14.5-2009:
5 Q. {7 l8 v7 r: ^% o1.6.2 Decimal Inch Dimensioning
. D5 D: `" c3 }+ ~The following shall be observed where specifying decimal inch dimensions on drawings:- S, u7 m: Z( Y5 x4 g
(a) A zero is not used before the decimal point for values less than 1 in.: t+ j; Z/ D! D; n" G
(b) ............
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% H9 t5 k: [0 r0 X+ B5 gBut, on the other hand .........
: Y+ S4 X/ {+ _1.6.1 Millimeter Dimensioning
4 T- a+ u! z2 [) ^+ O4 |9 q& c: {9 |The following shall be observed where specifying millimeter dimensions on drawings:. q! K% U; S$ b" ]( Z0 U# B7 R
(a) Where the dimension is less than one millimeter, a zero precedes the decimal point. See Fig. 1-4.' B, [( O- r4 _! o" c: _9 M& [
(b) ... |
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发表于 2010-3-13 16:06:59
