|
|
发表于 2010-3-13 14:03:25
|
显示全部楼层
来自： 中国江苏常州
转原帖回复' B/ {/ N, s& m
" G- t# b* b% P; }
请看：- l1 S1 T2 V5 H) e! `
[url]http://cr4.globalspec.com/thread/51795 [/url]
8 S# M. N; t* N. c) ~6 A5 d1 y- u----------------------------------------------------------------------------------------------
+ d! L& o6 ]5 C' P" gASME Y14.5-2009:- L/ B+ l0 o2 R* H( @/ {; o
1.6.2 Decimal Inch Dimensioning
; K- T$ P, Q" Q) ^0 k8 N+ hThe following shall be observed where specifying decimal inch dimensions on drawings:+ |/ H8 e: I/ m
(a) A zero is not used before the decimal point for values less than 1 in.; W) j& ^* n4 z
(b) ............
/ r' |( ~3 [) i2 E# b" @-------------------------------------------------------------------------------------------------
; M7 L3 {8 d% Z2 o6 E6 S- m2 YBut, on the other hand .........
7 ^) E% X, d# [5 R1 W# d* A% a1 Z; _6 m1.6.1 Millimeter Dimensioning
! u2 o3 b, Z0 i" h, R+ uThe following shall be observed where specifying millimeter dimensions on drawings:) u: w' E, R* A7 D* R: B
(a) Where the dimension is less than one millimeter, a zero precedes the decimal point. See Fig. 1-4.9 R s$ x4 w4 \$ i
(b) ... |
|
[复制链接]
发表于 2010-3-13 16:06:59
