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原帖由 hispeed 于 2008-4-14 17:35 发表
7 k" k. y1 e* i( v& w1 U5 |请问楼主:你链接中的文档中说,在执行NC ROUTE这项功能时,必须加一个设定档{ncroutebits.txt),不知写文中的内容时必须遵循什么原则否?铣刀都有哪些尺寸? 2 @* K, b, p# s( _) w# n
3 F i0 ~3 X U该文件需自建,简单地按如下格式即可:+ z5 W' a( q: y2 t6 D
0.020 T01; y9 K% |$ E4 A' z" a% Y4 N
0.015 T02# | u8 S" ]* \( A! }# J5 C
+ \: i9 n6 ?. i- N5 ^% Y铣刀尺寸根据你的椭圆开口来定,相等即可,这就是a single line path吧;要不然你就打开.drl文件,找一个比椭圆开口小的刀具,这样就是现成的了,省得你自己写得太小板厂加工不了或多收费用,这就是an oval path。分别对应以下Oval Slot里说的两种方法。2 W7 n/ | S2 R" u
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原文帮助里阐述:
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# U$ v. m ~& M# ~2 [# N: H1 ?When NC Route routes oval and rectangle slot holes, an appropriate tool is chosen from ncroutebits.txt using the following guidelines:
+ |+ m* k- B: R- Rectangle Slot: a tool size smaller than the minimum dimension of the rectangle must exist to route a rectangle path with appropriate Excellon tool compensation.
- Oval Slot: a tool size that exactly matches the minor dimension of the oval must exist to route the oval as a single line path. Otherwise, a tool size smaller than the minor dimension must exist to route an oval path with appropriate Excellon tool compensation.9 S! n. Q: k* d! y+ e/ a9 \
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