This is the Program Review of Milling Exercise 1.

%
O1001 (REVIEW MILLING EXER 1)
(TS 22 SEP 15)
(XZERO YZERO IS CENTER OF 2.00" HOLE)
(ZZERO IS TOP OF PART)
(T1... 1/2 CARB. FLAT ENDMILL...MILL OUTSIDE SHAPE)
(T2... 1/2 CARB. C/DRILL...C/DRILL ALL HOLES)
(T3... 3/4 HSC DRILL....DRILL CENTER OF 2.00" HOLE)
(T4... 5/16 HSC DRILL.... DRILL BOLT CIRCLE HOLES)
(T5... 3/816 HSC TAPRH....TAP BOLT CIRCLE HOLES)
(T6... 5/8 CARB. FLAT ENDMILL...CIRCLE MILL 2.00" HOLE)

N100
(MILL OUTSIDE CONTOUR)
G0 G17 G20 G40 G49 G80 G90 G94
G91G28Z0.
T1 M6
S2292 M3
G0 G90 G54 X3. Y2.85
G43 H1 Z1.M8 T2
G0 Z.1
G1 Z1.03 F50.
G1 G41 D1 Y2.75 F27.5
G1 X2.
G2 X2.75 Y2. I0. J.75
G1 Y1.5
G2 X1.5 Y2.75 I1.25 J0.
G1 X1.375
G3 X1.25 Y2.875 I0. J.125
G1 Y3.625
G2 X.625 Y4.25 I.625 J0.
G1 X.625
G2 X1.25 Y3.625 I0. J.625
G1 Y2.875
G3 X1.375 Y2.75 I.125 J0.
G1 X1.5
G2 X2.75 Y1.5 I0. J1.25
G1 Y2.
G2 X2. Y2.75 I.75 J0.
G1 X1.98
G1 G40 Y2.85
G0 Z1.M9
G91 G28 Z0.M5
G90
M01







N200
(CENTER DRILL ALL HOLES)
G0 G17 G20 G40 G49 G80 G90 G94
G91G28Z0.
T2 M6
S2247 M3
G0 G90 G54 X0. Y0.
G43 H2 Z.1 M8 T3
G81 Z.2751 R.1 F13.
X2.
X1.4142 Y1.4142
X0. Y2.
X1.4142 Y1.4142
X2. Y0.
X1.4142 Y1.4142
X0. Y2.
X1.4142 Y1.4142
G80
G0 Z1.M9
G91 G28 Z0.M5
G90
M01

N300
(DRILL CENTER OF 2.00" DIA HOLE)
G0 G17 G20 G40 G49 G80 G90 G94
G91G28Z0.
T3 M6
S560 M3
G0 G90 G54 X0. Y0.
G43 H3 Z.1 M8 T4
G83 Z1.1853 R.1 Q.125 F5.6
G80
G0 Z1.M9
G91 G28 Z0.M5
G90
M01















N400
(DRILL MINOR DIA OF BOLT HOLES)
G0 G17 G20 G40 G49 G80 G90 G94
G91G28Z0.
T4 M6
S1346 M3
G0 G90 G54 X2. Y0.
G43 H4 Z.1 M8 T5
G83 Z1.125 R.1 Q.1 F6.7
X1.4142 Y1.4142
X0. Y2.
X1.4142 Y1.4142
X2. Y0.
X1.4142 Y1.4142
X0. Y2.
X1.4142 Y1.4142
G80
G0 Z1.M9
G91 G28 Z0.M5
G90
M01

N500
(TAP ALL BOLT HOLES 3/816)
G0 G17 G20 G40 G49 G80 G90 G94
G91G28Z0.
T5 M6
S600 M3
G0 G90 G54 X2. Y0.
G43 H5 Z.1 M8 T6
G84 Z1.25 R.1 F37.5
X1.4142 Y1.4142
X0. Y2.
X1.4142 Y1.4142
X2. Y0.
X1.4142 Y1.4142
X0. Y2.
X1.4142 Y1.4142
G80
G0 Z1.M9
G91 G28 Z0.M5
G90
M01









N600
(CIRCLE MILL HOLE)
G0 G17 G20 G40 G49 G80 G90 G94
G91G28Z0.
T6M6
S1000M3
G90G0G54X0.Y0.
G43H6Z.1M8 T1

(ROUGH PASS)
G1 Z1.03 F50.
G1 Y.125 F6.
G3 Y.4375 I0. J.1563
Y.4375 I0. J.4375
Y.4375 I0. J.4375
Y.125 I0. J.1562
G1 X0. Y0.

(FIN CIRCLE MILL)

G1 G41 D6 Y.375 F6.
G3 Y.6875 I0. J.1563
Y.6875 I0. J.6875
Y.6875 I0. J.6875
Y.375 I0. J.1562
G1 G40 X0. Y0.

G0Z2.
G91G28Z0.M5
G28Y0.M9
G90
M30
%
(OPTIONAL N600 OPERATION USING VARIABLES))

N600
(CIRCLE MILL HOLE)
#100= 1.500 (#100 IS DIA OF CIRCLE)
#101= .625 (#101 IS DIA OF TOOL)
G0 G17 G20 G40 G49 G80 G90 G94
G91G28Z0.
T6M6
S1000M3
G90G0G54X0.Y0.
G43H6Z2.M8 T1
G0Z.1
G1Z1.03 F50.

G1 X0. Y [#100/2#101] F6.
G3 X0. Y[#100/2#101/2]I0.J[#101/4]
X0. Y[#100/2#101/2]I0.J[#100/2#101/2]
X0. Y[#100/2#101/2]I0.J[#100/2#101/2]
X0. Y[#100/2#101]I0.J[#101/4]
G1X0.Y0.

(FIN 2.00” DIAMETER)
#100=2.00 (#100 IS DIA OF CIRCLE)

G1 G41 D6 X0. Y [#100/2#101] F6.
G3 X0. Y[#100/2#101/2]I0.J[#101/4]
X0. Y[#100/2#101/2]I0.J[#100/2#101/2]
X0. Y[#100/2#101/2]I0.J[#100/2#101/2]
X0. Y[#100/2#101]I0.J[#101/4]
G1 G40 X0. Y0.

G0Z2.
G91G28Z0.M5
G28Y0.M9
G90
M30
%

Are you looking to learn more?
Visit my website:
https://www.masteryourcnc.com