Submit by: Vikram
CNC lathe program which cuts a complete outside contour on a component using G72 Facing cycle.
G90 G21 G18 G55;
T0400 M06;
S2000 M03;
G00 Z0.0;
X31.0;
G01 X30 F60;
G72 W0.5 R0.2;
G72 P2 Q3 ;
N2 G01 Z-40.69;
G03 X 23.92 Z-37.69 R3;
G02 X17 Z-34.69 R3;
G01 Z-31.69;
G03 X 11.25 Z -28.69 R3;
G01 Z-10.0;
G03 X2.0 Z-5.5 R 4.5
N3 G01 X 0.0 Z-0.0;
G00 X 30.0;
G28 X0.0;
G28 Z0.0;
M02;
G90 G21 G18 G55; T0400 M06 S2000 M03; G00 Z0.0; X31.0; G01 X30 F60; G71 U0.5R0.2; G71 P2 Q3 ; N2 G01 X0.0; X14.14 Z-7.07; Z-17.07; X19.14; Z-54.76; X25.4; N3…
% N10 T105 M06 D2500 N20 G96 S150 G95 F.2 M04 N30 G00 X32 Z34 M08 N40 G01 X-1 N50 G00 X29.6 Z36 N60 G01 Z24 N70 G02 X39.6 Z19…
N0 G90 F0.5 S1200 T0101 M03 N10 G00 X35 Z2 N30 G71 U0.5 R1 N35 G71 P36 Q90 U0.05 W0.05 N36 G01 X20 Z0 N50 G01 X20 Z-15 N60 G02…
Main Program: N0 G90 F0.2 S1200 T0101 M04 N10 G00 X42 Z2 N30 M98 P12000 (call subprog O2000 once) N130 G28 U0 W0 N140 M05 M30 Subprogram: O2000; N30 G73…
Complete program example for NUM CNC lathe machines, in this cnc program first outer contour is turned and then a groove is machined with a separate tool. NUM CNC Lathe…
Fanuc G94 One Pass Facing Cycle Fanuc G94 G code is used for rough facing. Fanuc G94 facing cycle is used for simple facing (one-pass facing) however multiple passes are…
% N10 T03 M06 N20 G96 S150 G95 F0.1 D2500 (D = Maximum spindle speed) N30 G00 X54 Z-2 M03 M08 N40 G01 X-1 N50 G00 X200 Z200 M09 N60…
Here is another cnc programming example which shows the use of Fanuc G72 Facing Cycle. Fanuc G72 facing cycle comes in two format for different fanuc cnc controls. Fanuc G72…
G54 G53 G0 X610 Z350 T1 D1 G96 S250 M4 ; roughing tool G0 X65 Z0 G1 F0.18 X-1.6 G0 X65 Z5 CYCLE95(“CONT2”,1,0.02,0.05,0,0.3,0.1,0.12,10,0,0,0) G0 X200 Z100 M30 Contour subprogram: CONT2…
O1234; T0101; M03 S1200; G00 X50 Z8; G94 X0 Z5 F0.1; Z3; Z1; G00 X100 Z100; M05; M30;
As canned cycle for cnc machines looks difficult to learn and program for beginner level cnc machinists, but they pay off in long run. As canned cycle makes cnc machinists…
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Haas lathe programming example to illustrate the use and programming of Haas G72 Type I Rough Facing Cycle/ G70 Finish Cycle. The above code will also work on cnc lathe…
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% N10 T104 M06 N20 G97 S2000 G95 F0.1 M03 N30 G00 X18 Z2 M08 N40 G01 Z-22 N50 G01 X26 N60 G00 X200 Z200 M09 N70 M30