Thread cutting cycle program with Sinumerik L97

Sinumerik L97 can use in  siemens sinumerik 840C/840/810/820T for external threading , taper threading , internal threading .

%97

N10- G90 G71 G95 F0.2 ;

N20- M06 T02 D01 ;

N30- M04 S1000;

N40- G00 X35 Z5 ;

N50- R20= 1.5  R21= 30  R22= 0  R23= 0

         R24= 0.92 R25= 0   R26= 5  R27= 2

         R28= 4  R29= 30  R31= 30  R32= -50

         L97 P1 ;

N60 G75 X0 Z0 ;

N70 M05 M30  ;
                                                                               More examples..........!!!!

DESCRIPTION OF MAIN PROGRAM -

N10- Program in absolute co-ordinate system , all dimension in mm , feed per revolution f0.2

N20- Tool change command , select tool no 2 

N30- Spindle on anti-clockwise for RH thread , spedd is 1000 rpm

N40- Rapid action command , where X0  and Z0 { tool take position }

N50- R20 - Pitch

         R21- Starting point along X- axis 

         R22- Starting point along Z- axis

         R23- No. of idel thread 

         R24- Depth of thread

         R25- Finishing allowance 

         R26- Run in path 

         R27- Run out path 

         R28- No. of rough cut

         R29- Infeed angle( half flank angle)

         R31- End point of thread along X- axis 

         R32- End point of thread along Z-axis 

         threading cycle

N60- Home position command , where X0 and Z0

N70- Spindle off , main program end