CNC Milling Program: Advanced G81‑G85 Drill Cycles for Precision Machining

Submit by: Brian

Drawing/Image

CNC Program

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O0001(PROGRAM#)
(PROGRAM NAME - PART1)
(SAMPLE PART)
N1( 1” FLAT ENDMILL TOOL )
T1 M6
M1
N100 G0 G90 G54 X-1. Y0. S3056 M3
G43 H1 Z.1 M8 T2
(PROFILE)
G1 Z-1. F24.4
G41 D51 X-.5
Y1.75
G2 X.25 Y2.5 I.75
G1 X3.5
G2 X4.5 Y1.5 J-1.
G1 Y.75
G2 X3.25 Y-.5 I-1.25
G1 X0.
G2 X-.5 Y0. J.5
G1 G40 X-1.
G0 Z.1
(FINISH WALL STEP3)
X1.25 Y4.5
G1 Z-.5
G41 D51 Y4.
G2 X3.5 Y1.75 J-2.25
G1 Y.25
G2 X1.25 Y-2. I-2.25
G1 G40 Y-2.5
G0 Z.1
(FINISH WALL STEP 2)
Y3.75
G1 Z-.5
G41 D51 Y3.25
G2 X2.75 Y1.75 J-1.5
G1 Y.25
G2 X1.25 Y-1.25 I-1.5
G1 G40 Y-1.75
G0 Z.1
(FINISH WALL)
Y3.
G1 Z-.5
G41 D51 Y2.5
G2 X2. Y1.75 J-.75
G1 Y.25
G2 X1.25 Y-.5 I-.75
G1 G40 Y-1.
G0 Z.1 M9
G91 G28 Z0 M19
M1
N2(5/8 SPOT DRILL TOOL )
(1/2-13)
T2 M6
M1
N200 G0 G90 G54 X.75 Y1. S2500 M3
G43 H2 Z.1 M8 T3
G98 G81 Z-.25 R.1 F10.
(.375 DIAMETER)
X2.5 Z-.6875 R-.4
G80 Z.1 M9
G91 G28 Z0 M19
M1
N3( 27/64 DRILL TOOL)
(1/2-13 DRILL)
T3 M6
M1
N300 G0 G90 G54 X.75 Y1. S2264 M3
G43 H3 Z.1 M8 T4
G98 G83 Z-1.2267 R.1 Q.2109 F9.
G80 Z.1M9
G91 G28 Z0 M19
M1
N4(1/2-13 CUT TAPRH TOOL )
T4 M6
M1
N400 G0 G90 G54 X.75 Y1. S130 M3
G43 H4 Z.1 M8 T5
G84 Z-1.35 R.1 F10.
G80 Z.1 M9
G91 G28 Z0 M19
M1
N5( #U DRILL TOOL, .368)
(.375 DRILL)
T5 M6
M1
N500 G0 G90 G54 X2.5 Y1. S2595 M3
G43 H5 Z.1 M8 T6
G98 G83 Z-1.2106 R-.4 Q.184 F10.4
G80 Z.1 M9
G91 G28 Z0 M19
M1
N6(.375 REAMER TOOL, .375)
(.375 REAM)
T6 M6
M1
N600 G0 G90 G54 X2.5 Y1. S1000 M3
G43 H6 Z.1 M8 T1
G98 G85 Z-1.2 R-.4 F10.
G80 Z.1 M9
G91 G28 Z0 M19
G28 Y0
M30
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