Slide #1.

CNC Programming for Mill • Example CNC program – drills four holes • Haas manual at: k:\class\engr\480\haas\usermanual.pdf or at http://engr.wallawalla.edu/engr480/docs/ Haas
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Slide #2.

G-Codes for Milling G00 Rapid positioning G01 Linear interpolation (feeding) G02 CW Circular interpolation G03 CCW Circular interpolation G04 Dwell G20 Inch system G21 Metric system G28 Return to reference point G43 Tool Length Compensation
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Slide #3.

G-Codes for Milling G54-G59 Select work coord system G65 Macro call G70 Bolt circle cycle G81 Drill canned cycle G83 Peck drill canned cycle G84 Tapping canned cycle G90 Absolute coordinates G91 Incremental coordinates G98 Initial point return
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Slide #4.

M-Codes for Milling M00 Program Stop M01 Opt. Program Stop (panel controlled) M03 Start spindle (normal rotation) M04 Start spindle (reverse rotation) M05 Stop spindle M06 Tool change M08 Start coolant M09 Stop coolant M30 Program end
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Slide #5.

% Example Program O01001 (DRILL 1/4IN HOLES) (DRILL EXAMPLE - 2013-04-05) (OP1- TOP SIDE) T9 M6 (STOCK- 2IN X 2IN X 1/4IN) G43 H9 (G54 ZERO- LEFT FRONT TOP) S2000 M3 M8 G54 G0 X0.50 Y0.50 Z0.1 G00 G40 G90 G17 G20 G83 Z-0.35 Q0.1 R0.1 F10.0 (SPOT DRILL HOLES) X0.50 Y1.00 T7 M6 X1.00 Y1.00 G43 H7 X1.00 Y0.50 S2000 M3 G80 G00 Z0.1 M8 G0 X0.50 Y0.50 Z0.1 G00 Z6.0 G81 Z-0.1 R0.1 F10.; (CANNED DRILL CYCLE) X0.50 Y1.00 M9 X1.00 Y1.00 M5 X1.00 Y0.50 G80 G00 Z0.1;(CANCEL CANNED CYCLE) M30 % M9 M5
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Slide #6.

Loading CNC Program • • • • Copy to K:\class\engr\cnc as haascode.txt Press List Prog Type program number (O01234) Press RECV RS232
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