Specifications
_____________________________________________________________________ 
_____________________________________________________________________ 
 CONCISE GUIDE FANUC 12 
2.6 “F” WORK FEED 
Function  F  (Feed) defines the work feed and can have two different significances, according to which 
preparatory G function is active (G95 or G94 see par. 3.6 and par. 3.7): 
•
••
• mm/rev  (usually used for turning operations). 
•
••
• mm/min  (usually used for milling operations or for work movements with spindle stationary). 
The programmed feed F can be modified through the axis trimmer with a variable value from 0% to 120%. 
The programmed feed F remains active until another is selected. 
2.7 “S” SPINDLE ROTATION SPEED
Function  S  (Speed) defines the rotation speed of the spindle. It can have two different significances, 
according to which preparatory G function is active (G97 or G96 see par. 3.8 and par. 3.9): 
•
••
• rpm  (usually used for machining without wide diameter variations e.g.: drilling, tapping and 
thread cutting). 
•
••
• m/min  (usually used for all turning operations). 
The programmed speed can be changed through the spindle trimmer with a variable value from 50% to 
120%. 










