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1.如何在allegro中取消花焊盘(十字焊盘), U+ v$ p6 r& ^, q0 X
set up->design parameter ->' B9 E: d; ?8 a* a; X" X/ r1 ^3 N
shape->edit global dynamic shape parameters->Thermal relief connects ->
% J8 S Q* Z8 S& ^1 @7 E4 EThru pins ,Smd pins -> full contact& `2 X Y0 ^ {, ?6 A% l, M
2.allegro 中如何设置等长
! ` z9 a7 ~3 Y: tsetup -> constraints->electrical->net->routing->Min Max Propagation delays/ m0 E# T1 F. J: f6 S1 `
选择要等长的net->右击->create->pin pair->选择pin
6 U. [- _9 S: A2 `$ k3 k7 K- r修改 prop daly 的min 和max项9 i' |( f! ?, z6 m5 F! j
3.如何设置allegro的快捷键
" q) h* j4 y: h1 E/ O0 f& U修改文件 $inst_dir\share\pcb\text\env 或 $inst_dir\pcbevn\env! \3 |$ Y( E8 X* T8 m
快捷键定义如下:
- o4 C" i, Q2 ?- B h( @alias F12 zoom out
( g! u3 W. i: U! y9 K8 o5 j/ Q' kalias ~R angle 90 (旋转90 度)- e* j* N8 u% U! t5 s: D/ M' L
alias ~F mirror (激活镜相命令)
; Y/ N. D$ \, Malias ~Z next (执行下一步命令)
- t: `5 a" @) l' u( calias End redisplay(刷新屏幕)$ X" ~; `1 w- q" J9 z6 I
alias Del Delete(激活删除命令)$ J; g P1 ?* B3 ~# D
alias Home Zoom fit(全屏显示), n7 i# h7 \9 \! n5 ?) }" t4 A5 F
alias Insert Define grid(设置栅格)
4 y* `3 T" Q/ p, {: w6 yalias End redisplay0 e F! \) F, J, z( \6 l# T9 D8 `% i2 H
alias Pgdown zoom out/ r7 }, k/ |0 }8 K; w; M
alias Pgup zoom in9 s6 B1 ?4 G! E X
alias F12 custom smooth
7 A( C5 u* B) ]7 j* Z d% Y8 E& Xalias Pgup slide
8 d3 P! Q5 K/ z# t( N0 Qalias Pgdown done" g9 x$ B; \: u
alias Home hilight; S; d- b: ]& X' n: T5 z: H
alias End dehilight
. G! r9 R4 z& D" D Ialias Insert add connect5 {9 ]+ H6 Q; b1 x' a0 @& Q+ O" [, Y$ r
alias Del Delete
0 h! n. l/ A; B( l" _4.如何在allegro中删除有过孔或布线的层时不影响其他层
0 i- m0 n, z5 t/ o' S' t1.输出specctra的dsn文件2 v1 @4 h K, M1 m" y
allegro->file->export->router->demo.dsn->run
& g4 P: B: P/ z2.产生session文件: o7 W8 G2 E- y4 `" Y* w/ S8 b
specctra(pcb router)->file->write->session->demo.ses->ok
. [3 R. A8 C6 M8 k0 F0 W3.删除某一层中的布线和过孔
) t# [0 }3 m7 \# q- P$ Kdelete(ctrl+D)->..0 P6 y7 ^( G2 J V. o
4.删除allegro中的板层
! e8 r; ?+ J$ L* a% U! Msetup->cross section->鼠标右键->delete
3 i, H }; f7 {5.导入session文件
- J+ }/ p/ B+ Callegro->file->import->router->demo.ses->run& @6 [/ V, F; U9 h3 _
也可先将通过该层的过孔先替换成顶层焊盘,删除该层以后再替换回来! X; R! D: L. X% v. D
5.如何在Allegro中同时旋转多个零件
S% E7 Q5 z$ h1 z; {2 K1.Edit->Move 在Options中Rotation的Point选User Pick
4 h& T9 C/ s5 U( }& T9 I9 x& t( w& d2 再右键选Term Group 按住鼠标左键不放并拉一个框选中器件 多余的可用Ctrl+鼠标左键点击去掉.) L$ S- D6 t2 ~* D" \4 X4 z
3. 选好需整体旋转的器件后 右键complete.
3 `0 g" W! ?+ l2 G4. 提示你Pick orgion 鼠标左键选旋转中心.
( ~9 W; _4 B J& ~; [5 下面右键选rotate 即可旋转了.$ i' ]% X' z# j2 G! c2 K3 N
6.allegro 16.0 透明度设置
, y. P2 b0 U3 |display->colour/visibility->display->OpenGL->Global transparency->transparent
7 w2 `1 \1 v: q. P/ a# C* |7.allegro Drill hole size is equal or larger than smallest pad size.Pad will be drilled away.提示" f, u! q$ K) Z
Drill hole size is equal or larger than smallest pad size.Pad will be drilled away.
- l6 ?6 ^8 N" s$ A' Y" S0 c( a不用理睬这一提示$ r4 @! \0 W3 _7 ~ V% I
r# N u- u1 u
8.ALLEGRO 如何生成钻孔文件
, T6 ^5 i7 Q. F" q. s. J4 o+ w+ qManufacture -> NC -> Drill Customization->auto generate symbols0 a# K! }) H) g$ v
Manufacture -> NC -> Drill Legend
2 L$ V9 R$ c4 i1 ~' O) A; _5 V6 UManufacture -> NC ->NC parameters->enhanced excellon format->close
! j" Q) K* F2 N& Z/ bManufacture -> NC -> NC Drill->auto tool select->optimize drill head travel! v! w7 G; Y( I, B. b9 v6 Z3 U! I
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发表于 2013-10-11 16:20
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