SYNTAX
G81 X...Z...F...
Where
X Diameter
Y Length
F Feed rate
Profile
Billet size⇒diameter 40,length 60
Tool used⇒drilling tool(T1)
NOTE:DRILL TIP HEIGHT FORMULA=Dx0.3
WHERE 'D' IS DIAMETER OF DRILL
Drill bit height(lip)=20x0.3=6
NC code
G21 G97 G98
G28 U0 W0
M06 T1
M03 S3000
G00 X0 Z2
G81 Z-5 F60
Z-10
Z-15
Z-20
Z-25
Z-30
Z-35
Z-41 //z=35+6(lip)
G28 U0 W0
M05
M30
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