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concave.ngc
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concave.ngc
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(Ballnose Endmill .25)
G64 P0.001
S27000 M3
G0 X0 Y0 Z.25
(Initial settings)
O100 SUB
(Loop Counter)
#100=1
(Y start offset, increments in while loop)
#101=2
(Loop total determines Y length)
#102=18 (18 = Y=7)
(X Length)
#103=6.25
(Endmill increment)
#104=.20
(Feed Rate)
#105=75
(X Offset)
#106=.25
G01 Z.25 F#105
G01 X#106 Y#101 Z.25
O100 ENDSUB
(Set tool plane to X, Z - run counter clockwise G02)
O200 SUB
G17
G01 Y#1
G18 G02 X#103 Y#1 R#2
G17
O200 ENDSUB
(Set tool plane to X, Z - run clockwise G03)
O300 SUB
G17
G01 Y#1
G18 G03 X#106 Y#1 R#2
G17
O300 ENDSUB
(Main subroutine that uses loop to build out cutting path)
O400 SUB
G01 Z-.0
O100 WHILE [#100 LE #102]
O200 CALL [#101][#1]
#101 = [#101 + #104]
O300 CALL [#101][#1]
#101 = [#101 + #104]
#100 = [#100 + 1]
O100 ENDWHILE
O400 ENDSUB
(Concave plane - pencil holder)
(R30 Z-.15, R15 Z-.30, R10 Z-.46)
O100 CALL
O400 CALL [30]
O100 CALL
O400 CALL [15]
O100 CALL
O400 CALL [10]
O100 CALL
G0 X0 Y0 Z.25
(Stop Spindle)
M5
M02
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