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本帖最后由 hzhaod 于 2011-4-13 17:17 编辑
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allegro 16.3 执行NC Drill 后，查看viewlog，有一行警告：WARNING: Design precision is the same as that of the drill output file data. Data rounding errors may still be possible.
/ x) I% }* b% c0 x; a/ lviewlog内容如下：# `. B: U1 t; ]
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(---------------------------------------------------------------------)( )
; v1 y6 ^; N$ K( NC DRILL Log )5 E+ P" M. h9 E D2 b; o1 N
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( Drawing : #Taaaaaa03520.tmp )4 q* d( ^0 F" Z1 s( s; O
( Software Version : 16.3p003 ). [9 z& A7 ?5 k% x& H* D/ @
( Date/Time : Wed Apr 13 17:00:41 2011 )
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(---------------------------------------------------------------------)5 W7 d' C; @! [8 V; _7 p
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Processing NC Parameters file ...
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# I' s0 z* p% g: f. A; K0 j8 X c NC PARAMETERS# B/ X# t) d! J8 W* U p3 h5 h( m
-------------+ W! v9 J; p u4 o5 t3 Z Y, A" f# P
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FORMAT 2.5
$ A8 m v0 Q' w7 o4 V, q& V MACHINE-OFFSET x:0.000000 y:0.000000/ i% L, W. V: m& [8 j
FEEDRATE 1
7 W6 Z* P: L2 l6 K COORDINATES ABSOLUTE
& s# z+ J( i& H9 F1 j OUTPUT-UNITS ENGLISH6 p$ H9 ?& c9 x; M$ O
TOOL-ORDER INCREASING
8 q1 B$ F6 Q7 v. M" n REPEAT-CODES YES
$ c- i) W9 A5 w- L, m: O; M5 a SUPPRESS-LEAD-ZEROES NO8 ^) t. Z9 ~5 i' C) _% y
SUPPRESS-TRAIL-ZEROES NO
9 s* d, q$ U4 N# G SUPPRESS-EQUAL NO
1 I* B9 {9 a5 I' ? TOOL-SELECT NO8 F: t2 l# j, ?# g2 i1 H0 d( l
HEADER none
% ?7 [5 s$ E z6 L: C LEADER 12' s- N0 p/ G9 w6 y
CODE ASCII$ M' v1 D5 q8 s
SEPARATE NO: H' d9 s7 B3 O
OPTIMIZE_DRILLING NO
6 _6 c7 T* C- ^/ t ENHANCED_EXCELLON NO
2 {1 i5 Q8 Z& I4 o: Y. J8 q* ? SCALE 1.000000; x( `4 e4 M0 P/ [
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WARNING: Design precision is the same as that of the drill output file data.
S9 ~- l; T& w6 q2 { Data rounding errors may still be possible.) } \' S; [9 p" B* r. D" S3 O5 `
+ _. W' M9 t; Z. \$ w1 w6 h. E, ^' e Drill files being output to directory 'E:/Projects/cadence/bysj/Signal_conditioner' ..., Q% Z5 V n) F! t5 ~" G1 m
3 F; g0 p, f, q a/ o$ W! f 'SIGNAL_CONDITIONER-1-2.drl' created for holes connecting TOP and BOTTOM2 x$ v" a4 g! Z% x# y$ O( C
------------------------------------------------------------------------- \" v& Z; a5 ?3 q3 [, r
Num Size +/- Tolerance Plating Quantity
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7 `+ V# M+ M; h' M d a 1. 39.3700 0.0000/ 0.0000 PLATED 134" d+ v+ w5 W" _- _7 E
2. 157.4800 0.0000/ 0.0000 PLATED 4/ N' @& |! r7 X- }$ A& j
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---- Total holes: 138' T+ S4 j% n, Y
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---- Total head travel: 8.02 feet (2.44 meters)
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哪位解释一下是为什么？导出的钻孔文件.drl导入cam后，所有钻孔的面积比top和bottom层大很多！！！( b5 ]5 k* s3 W4 ^. }; j
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发表于 2011-4-13 17:10
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支持！
反对！
楼主
～～FORMAT 2.5 , 但去上課時，原廠都建議設為 3,5