Sherline 2000 CNC - Part 7
Sherline Pages Home : << Part 6 8-24-2004 PCB DrillingI don't get the point of PCB milling (maybe I'll try it and change my mind), but I wanted to try drilling a PCB with my Sherline. First step, find an Excellon to G-code converter. Hmm, thought there were dozens available. No luck. Time to write one: Drill.pl Here is the output. The input file is in the output file (shifted and commented with semi-colons). G92 X0 Y0 G81 X Y R0.010 Z-0.100 F5 ; Edit this line as necessary. N1000 ; --- M48 N1010 ; --- T01F00S00 N1020 ; --- T02F00S00 N1030 ; --- % N1040 ; --- T01 N1050 X02. Y01.5 ; --- X02Y015 N1060 X02. Y01.05 ; --- Y0105 N1070 ; --- T02 N1080 X02.255 Y01.15 ; --- X02255Y0115 N1090 X02.255 Y01.25 ; --- Y0125 N1100 X02.355 Y01.1 ; --- X02355Y011 N1110 X02.255 Y01.35 ; --- X02255Y0135 N1120 X02.355 Y01.2 ; --- X02355Y012 etc... How does it work? Much easier then drilling all those damn holes by hand! And much more accurately placed.
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