[girishnadkarni]

Dear All
kindly help me out in the grooving cycle programming with g75 with detailed explanation
i want to machine a groove of
width 8mm
distance from face of the job 16mm
groove radial depth 1.75mm
insert width 3mm
system fanuc oi mate
kindly reply asap
rgds
Girish

[sinha_nsit]

OD is also needed.
Say, it is 20 mm dia.
Use the lower left corner of the insert as the reference point of the tool.

G00 X22 Z1;
Z-19;
G01 X20.5 F10;
G75 R.2; (radial retraction in mm after each peck)
G75 X18.25 Z-24 P1000 Q2500 F10;
(X18.25 Z-24) is the lower left corner of the groove,
Peck length is 1 mm,
Lateral shift is 2.5 mm,
Feed is 10 mm/min (with G98).

If you are serious about CNC programming, you must have a personal copy of a programming book. You will find many answers there.

Edit: Replace X18.25 by X16.5 for 1.75 mm depth

[harshal]

G75 FANUC CANNED CYCLE GROOVING CNC PROGRAM ..EXAMPLE visit CNC PROGRAMMING TUTORIAL
04521
N10 G90 G21 G99 F0.15 ;
N20 G50 S1500 ;
N30 M06 T01 01 ;
N40 M03 G96 S300 ; CNC PROGRAMMING TUTORIAL


N50 M08 ;
N60 G00 X57 Z-40 ;
N70 G75 R1 ;
N80 G75 X35 Z-60 P3000 Q9000 ;
N90 G00 X60 ;
N100 G28 U0 W0 ;
N110 M05 M30 ;

[harshal]

FANUC G75 CANNED CYCLE GROOVING CNC PROGRAM WITH description - CNC PROGRAMMING TUTORIAL
01451
N10 G90 G21 G99 F0.15 ;
N20 G50 S1500 ;
N30 M06 T01 01 ;
N40 M03 G96 S300 ;
N50 G00 X52 Z-10 ;
N60 G75 R1 ;
N70 G75 X30 Z-30 P3000 Q20000 ;
N80 G00 X60 ;
N90 G28 U0 W0 ;
N100 M05 M30 ;