CNC G73 PATTERN REPEATION CYCLE FOR LATHE ..EXAMPLE 1

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This cycle is used in predefined shape like forging , casting

04532
N10  G90 G50 S1200 ;
N20  G99 F0.25 ;
N30  M03 G96 S200 ;
N40  M06 T01 01 ;
N50  M08 ;
N60  G28 U0 W0 ;
N70  G00 X25 Z2 ;
N80  G73 U4 W2 R3 ;
N90  G73 P100 Q150 U0.5 W0.1 ;
N100 G00 X20 ;
N110 G03 X20 Z-10 CR= 10 ;
N120 G01 Z-20 ;
N130 G01 X30 ;
N140 G01 Z-30 ;
N150 G02 X50 Z-38 CR=10 ;
N160 G70 P100 Q150 F0.1 ;
N170 G28 U0 W0 ;
N180 M05 M09 M30 ;                                                                    More examples..........!!!

 DISCRIPTION OF MAIN PROGRAM :-

04532- Name of main program
N10- Absolute cordinate system , maximum spindle speed command , speed 1200
N20- Feed rate per revolution is 0.25 (F0.25)
N30- Spindle on clockwise , constant surface speed command, speed is 200.
N40- Tool change command , select tool no. 1
N50- Coolent ON
N60- Referance point command where X0 and Z0
N70- Rapid command , where X25 and Z2
N80- Pattern repeating cycle command ,U4 is amount of material cut in X axis and W2 is amount of material cut in Z axis AND  R3 is repeat of cut
N90- Pattern repeating cycle command ,  actual operation start from block no. 100 and actual operation end at block no. 150, finishing allowance in X axis is 0.5 and finshing allowance in Z axis is 0.1
N100- Rapid action command , where X20 
N110- Circular interpolation counter clockwise , where X20 , Z-10 and external radius is 10
N120- Linear interpolation command where X20 and Z20 
N130- Linear interpolation command where X30 and Z20  
N140- Linear interpolation command where X30 and Z30 
N150- Circular interpolation clockwise , where X50 , Z-38 and internal radius is 10
N160- Finish machining cycle ,  actual operation start from block no. 100 and actual operation end atblock no. 150 , feed rate for finishing cut 0.1
N170- Referance point command where X0 and Z0
N180- Spindle stop , coolent off, main prog end .

CNC G73 PATTERN REPEATION CYCLE example 2

CNC G73 PATTERN REPEATION CYCLE example 3