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m1/button/: milling process for making M1 buttons from a piece of wood
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14
m1/button/Makefile
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14
m1/button/Makefile
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SPOOL=/home/moko/svn.openmoko.org/developers/werner/cncmap/spool/spool
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out.gp: bgen
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./bgen >out.gp || { rm -f out.gp; exit 1; }
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out.rml: out.gp
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PATH=$PATH:/home/qi/cae-tools/gp2rml gp2rml 10 1 1 <$< >$@ || \
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{ rm -f $@; exit 1; }
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spool: out.rml
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PORT=/dev/ttyUSB0 $(SPOOL) out.rml
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clean:
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rm -f out.gp out.rml
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18
m1/button/NOTES
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m1/button/NOTES
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Nominal dimensions:
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pusher 1.1 mm x 12 mm
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shaft 3.7 mm x 8 mm
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Adjusted dimensions for the first try:
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1.2 mm, 3.8 mm = 5 mm
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Piece thickness:
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7.9 mm
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Final size:
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pusher ~0.8 mm x 10 mm
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http://downloads.qi-hardware.com/people/werner/tmp/m1butwood.jpg
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43
m1/button/bgen
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m1/button/bgen
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#!/usr/bin/perl
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$pi = atan2(1, 1)*4;
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sub circ
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{
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local ($r, $d) = @_;
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for ($a = 0; $a <= 2*$pi; $a += 2*$pi/200) {
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print $x0+$r*sin($a), " ", $y0+$r*cos($a), " ", $z0-$d, "\n";
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}
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print "\n";
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}
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$x0 = 123;
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$y0 = 19+18;
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$z0 = -39.5; # piece surface
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$z0 -= 7.9-5; # depth into piece
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$ds = 7.8; # shaft diameter
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$dp = 10; # pusher plate diameter
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$tr = 25.4/8/2;
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#&circ($ds/2-$tr, 0);
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&circ(1, 0);
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&circ(3, 0);
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&circ(0.2, 0);
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&circ($ds/2+$tr, 0);
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&circ($ds/2+$tr, 2);
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#&circ($ds/2+$tr, 3.8);
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#&circ($ds/2+$tr, 3.8); # twice, for cleaner cuts
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&circ($ds/2+$tr, 3.9);
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&circ($ds/2+$tr, 4.0); # twice, for cleaner cuts
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&circ($dp/2+$tr, 0);
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&circ($dp/2+$tr, 3);
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&circ($dp/2+$tr, 5+0.3);
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