chamfer.ngc

;chamfer

O<chamfer> sub

G8 ; Lathe radius Mode
G18 ; XZ Plane
G21 ; Metric Units
G90 ; Absolute Distance


M6 T#6 G43

#1 = [#1 / 2] ; because of radius mode

#14 = [#<_x>] (starting X)
#13 = [#<_z>] (starting Z)

G96 D1500 S#2 ; Constant Surface Speed Mode
M3
g95 F0.1 ; Feed-Per-Rev Mode

O90 IF [#12 GT 0.5]
	M8
O90 ENDIF

#20 = 0
O101 if [#9 GT 0.5] ; front outside
	o100 while [[#20 + #3] lt #8]
	#20 = [#20 + #3]
	g0 x[#1 - #20] z#13
	g1 z#5
	g1 x#1 z[#5 - #20]
	g1 x #14
	g0 z#13
	o100 endwhile
	g0 x#14 z#13
	g0 x[#1 - #8]
	g1 z#5
	g1 x#1 z[#5 - #8]
	g1 x #14
	g0 z#13
O101 elseif [#10 GT 0.5] ; front inside
	o102 while [[#20 + #3] lt #8]
	#20 = [#20 + #3]
	g0 x[#1 + #20] z#13
	g1 z#5
	g1 x#1 z[#5 - #20]
	g1 x #14
	g0 z#13
	o102 endwhile
	g0 x#14 z#13
	g0 x[#1 + #8]
	g1 z#5
	g1 x#1 z[#5 - #8]
	g1 x #14
	g0 z#13
O101 elseif [#11 GT 0.5] ; back outside
	o103 while [[#20 + #3] lt #8]
	#20 = [#20 + #3]
	g0 x[#1 - #20] z#13
	g1 z#5
	g1 x#1 z[#5 + #20]
	g1 x #14
	g0 z#13
	o103 endwhile
	g0 x#14 z#13
	g0 x[#1 - #8]
	g1 z#5
	g1 x#1 z[#5 + #8]
	g1 x #14
	g0 z#13
O101 endif
M5 M9
G7
O<chamfer> endsub
m2
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