CNC PROGRAMMING FOR STEP TURNING OPERATION WITH CHAMFERING

CNC PROGRAMMING FOR STEP TURNING OPERATION WITH CHAMFERING 

                    For learning CNC program we have to knowledge about G-Code and M-code .So friends in this programming specially focus on chamfering . Chamfering always given in degree . lets see following fig. there is some hidden dimension need to calculate .This operation perform only two steps . For calculating geometrical co-ordinate and chamfering CLICK HERE 

Main  program

o1234

N010  G00   G54  G90  G21 ;

(no of block 10 , rapid action , zero offset ,ACS , unit in mm)

N020  G28  X0.0   Z0.0 /G28  X0.0  Y0.0 ;

(no of block 20 , ref. point , X=0 ,Z=0 )

N030  M06  T01  01  ;

(no of block 30 , tool change command , tool no 01 , tool offset 01)

N040  M08 ;

(no of block 40 , coolant on )

N050  G97  S600  M03 ;

(no of block 50 , revolution per min , speed 600 in min , c.w.)

N060 G00 G94  X50.0  Z50.0  F0.15 ;

(no of block 60 , rapid action ,feed per min , x=50 z=50 ,feed 0.15 [tool on safe position])

N070  G00  X32.0  Y0.0 ;

N080  G01  X30.0  F0.12 ;

N090  G01  X0.0 ;

N100  G01  X30.0 ;

N110  G01  X40.0  Z-5.0 ;

N120  G01  Z-25.0 ;

N130  G01 X47.0  Z-31.0 ;

N140  G01 X53.0 ;

N150  G01  X60.0  Z-37.0 ;

N160 G01   Z-67.0  ;

N170  G01  X78.0  Z-73.0 ;

N180  G00   X100 ;

( no of block 180 , rapid action  x= 100 it means tool away from job )

N190  G00 Z100;

(no of block 190, rapid action  Z= 100 it means tool away from job)

N200  G28  X0.0 Z0.0 ;

( no of block 200 , tool goes to ref position / home position )

N210  M09 ;

( coolent off )

N220  M05  ;

( spindle stop )

N230   M30 ;

( main prog . end )

CUTTING DESCRIPTION ( N070 to  N170 ) :

N070 – Tool travel X32 and Y 0 rapidly ; it means it means near to working position .

N080 – Tool at X 30 and feed is 0.12 ; it means  touch to the job at x .

N090- Tool cutting in x direction from X 30 to X0 .

N100- Tool return back to X30. (position 1)

N110- Tool travelfrom X0.0 to X40 in X direction and Z 0.0 to Z -5.0 in Z direction .(Postion 1 to 2)

N120 – Tool travel from Z 0.0 to Z -25.0 linerly ( position 2 to 3 )

N130 –Tool   travel X47 AND Z-31 (position 3 to 4)

N140 – Tool travel  X 53 linearly ( position 4 to 5 )

N150-Tool travel X 60 and Z-37 (position 5 to 6)

N160 – Tool travel  Z-67 linearly ( position 6 to 7)

N170- Tool travel X78 and Z-73 (position 7 to 8)

SINUMERIK CNC PROGRAMMING FOR COMBINE CYCLE 95 & 97 (taper threading cycle)