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c2usb/cam/pcb.pl: fix bogus tool parameters

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Fixing it lest if gets copied and lives on elsewhere. Note that it may
still be necessary to add a small negative correction (in the order of
-0.1 mm) to compensate for deflection of the workpiece.

- c2usb/cam/pcb.pl ($d): there are 25.4 mm in an inch, not 2.54
- c2usb/cam/pcb.pl ($d): the endmill used has a diameter of 35 mil, not
  8 mil
- c2usb/cam/pcb.p ($r): don't apply correction for imagined mechanical
  issues (now what we're working with correct values)
This commit is contained in:
Werner Almesberger 2010-10-22 04:12:36 -03:00
parent df9fb5c338
commit b1d1fcc4ba
1 changed files with 2 additions and 2 deletions
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c2usb/cam/pcb.pl
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@ -1,7 +1,7 @@
#!/usr/bin/perl
$d = 2.54/1000*12;
$r = $d/2+0.25;
$d = 25.4/1000*35;
$r = $d/2;
sub orig