G90 turning cycle II Axial cycle II Fixed cycle II ID/OD cutting cycle II G90/G70/G20

Friends this cycle has many names like ; turning cycle , fixed cycle , ID/OD cutting cycle , Box cycle.
G90 IS mostly used but sometime machine model can not adopt G90 , that time we can insert G77 or G20 which is accept by machine model . G90/G77/G20  these g code meaning is same

O1453
N10 G28 U0 W0 ;
N20 M06 T02 02 ;
N30 G50 S1500 ;
N40 M03 G97 S200 ;
N50 M08 ;
N60 G00 X80 Z2 ;
N70 G90 X80 Z-80 F0.25 ;
        X75 ;
        X70 ;
        X65 ;
        X60 ; 
        X55 Z-30 ;
        X50 ;
        X45 ;
        X40 ;
N80 G28 U0 W0 ;
N90 M05 M09 M30 ;                                   More examples..........!!!!

DESCRIPTION OF MAIN PROGRAM :-

O1453 - Name of main program
N10 - Referance point command X0 and Z0
N20- Tool change command , select tool no 2
N30- Maximum spindle speed command , speed is 1500 rpm
N40- Spindle ON clockwise , constant spindle speed , speed is 200 rpm
N50- Coolant ON
N60- Rapid action command , where X80 and Z2
N70- Turning /ID/OD/Fixed/axial cutting cycle command , starting position in X- axis is 80 , cutting upto 80 in z- axis(for first step ) , feed rate is 0.25

         First cut start from x- axis is 75

                                     second cut 70

                                         third cut 65

                                       fourth cut 60 ( first step is complete)

       second step x axis cut is 55 and cutting up to 30

                                        sixth cut  50

                                        seventh cut 45

                                        last cut 40

N80- Referance point command X0 and Z0 

N90- Spindle OFF , coolant OFF , main prog. end