埃德蒙顿华人社区-Edmonton China

 找回密码
 注册
查看: 2693|回复: 3

[经验感悟] AutoCAD 实战讲座

[复制链接]
鲜花(0) 鸡蛋(0)
发表于 2007-11-24 13:32 | 显示全部楼层 |阅读模式
老杨团队,追求完美;客户至上,服务到位!
AutoCAD 实战讲座
1 g3 m1 J% f" m9 x+ K7 Qhttp://www.newmaple.com/forumdisplay.php?fid=28
$ m; O: w- X3 E* ~0 m
7 _9 f+ Z5 e9 ^' V: z- i- Owww.newmaple.com/video/autocad0006
5 K6 A. i* N- B. a/ W7 ~8 c( g. }& B( G+ Q. S$ K) k/ t
1. Title block brief introduction- F: [+ O4 O* ]/ [  S+ p, A+ Y% o9 m
1 H+ a2 V! q; z
2. Text height: M- C0 `1 C* _
  M* D- x# Q8 u( X7 @2 M. m( E. u
3. Viewport 2 ?+ n% e7 X/ x; @% W3 L  y

+ p% A( V; I% h8 i% e+ j: t5 q4. Dimensions style brief introduction& {" D1 k! ~" ?- c( x7 Z+ j
•        Tolerance in Mechanical / Autocad
+ ], R, Y( d3 S3 u; b; I
! I& z7 G6 r* s4 ?  }4 L, jspecial symbols
- B# L" P" N" t# G* ^5 M%%D degree sign$ L5 A! L6 y5 ^
%%P plus and minus sign+ ?3 V0 C' E" \9 a. E* m2 T
%%C diameter symbol
鲜花(64) 鸡蛋(0)
发表于 2007-11-24 18:33 | 显示全部楼层
鲜花(0) 鸡蛋(0)
发表于 2007-11-24 19:27 | 显示全部楼层
Very practical!
理袁律师事务所
鲜花(0) 鸡蛋(0)
 楼主| 发表于 2007-12-3 12:38 | 显示全部楼层
老杨团队 追求完美
[V] AutoCAD 实战讲座第七讲
! N9 l7 c! N) o( S$ W3 K" EAutoCAD 实战讲座第七讲
* T% G: w* K  R% u! O, g+ K, M0 c' sNew Maple AutoCAD (7)' f2 Z1 f$ I( b
www.newmaple.com/video/autocad0007
$ W7 y# E6 ~. Z* b- |- ^% n/ C0 X1 _- m; W; S3 q7 y
A real sample to review lecture 6
! `. X, Q4 T! q5 R: _& F% P) N, M; j3 b; k
Introduction Roughness$ \/ g1 E5 D$ D7 z3 F$ c
Quick check hole size and position
+ I: b7 G0 I4 I- O% ^Introduction O-ring groove
, k5 q5 r. @* t# X+ H
# _8 M, J' P6 L( p9 O- m7 L% PSurface roughness/ `4 @3 o) O' Q: r! R* K
•        Imperial Unit: micro-inch 10-6 inch
: b$ V* H' U0 F" a5 ?•        Metric Unit: micrometer 10-6 m
$ c, L; [/ E+ }- U- X•        Sample 250 micro-inch = 6.3 micrometer9 ~, ~4 f7 E0 S7 e
(250X25.4X10-3)
, _- g% C. U8 M  f; n•        250 micro-inch – forging surface* O, _& n/ g4 x  E
•        125 rough machine, 32 fine machine
0 A9 R8 _* J% q5 |8 e
: N& w# a2 k5 @8 j( t/ SInch size O-ring
4 K- F. U. i! p! }0 `  n- b/ f# |! @5 C•        O-ring number 2325 ~8 [' s: e! g8 t' U, z
•        nominal size 2.75”x3”x1/8”- L3 n* g9 \/ t, a6 B5 q. b$ `/ Y* N
•        Actual size 2.734”x3.012”x0.139”* x  A8 K7 g. H% K1 r
•        Static surface seal groove depth 0.101~0.107 about 25% squeeze
0 ^' e3 B% }6 e! i0 {•        One of OD or ID is close standard size% ~0 {1 _) }+ W; V0 a

# z) Y) P; {# ~5 A+ I, f5 phttp://www.newmaple.com/forumdisplay.php?fid=28
您需要登录后才可以回帖 登录 | 注册

本版积分规则

联系我们|小黑屋|手机版|Archiver|埃德蒙顿中文网

GMT-7, 2026-4-18 20:50 , Processed in 0.136512 second(s), 15 queries , Gzip On, APC On.

Powered by Discuz! X3.4

Copyright © 2001-2021, Tencent Cloud.

快速回复 返回顶部 返回列表