250
PROGRAMMING EXAMPLES
96-8000
June 1999
O.D. THREAD MILLING -
O.D. thread milling exercise.
PROGRAM EXAMPLE DESCRIPTION
%
O2400 (Thread milling a 2.0 diameter post x 16 TPI)
(X0,Y0 is at the center of the post)
(Z0 is at the top of the part)
(Post height is 1.125 inch)
G00 G90 G54 X0 Y2.0 S2000 M03
G43 H01 Z.1 M08
Z-1.0
G41 D01 X-1.5 Y1.125 (Turning on cutter compensation.)
G01 X0. F15. (Linear interpolation onto the post.)
G02 J-1.125 Z-1.0625 (360
o
helical circle; negative Z move.)
G01 X1.5 (Linear interpolation off the post.)
G00 G40 X0 Y2.0 (Turning off cutter compensation.)
Z1.0 M09
G28 G91 Y0 Z0
M30
%
Note: A cutter compensation turn on move can consist of any X or Y move from any
position just as long as the move is greater than the amount being compen-
sated for. The same rule applies for turning off cutter compensation.
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