FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

PROGRAMMING
B–62764EN/01
5. FEED FUNCTIONS
85
After specifying G94 (in the feed per minute mode), the amount of feed
of the tool per minute is to be directly specified by setting a number after
F. G94 is a modal code. Once a G94 is specified, it is valid until G95 (feed
per revolution) is specified. At power–on, the feed per minute mode is
set.
An override from 0% to 254% (in 1% steps) can be applied to feed per
minute with the switch on the machine operators panel. For detailed
information, see the appropriate manual of the machine tool builder.
Workpiece
Table
Tool
Feed amount per minute
(mm/min or inch/min)
Fig. 5.3 (b) Feed per minute
WARNING
No override can be used for some commands such as for
threading.
After specifying G95 (in the feed per revolution mode), the amount of
feed of the tool per spindle revolution is to be directly specified by setting
a number after F. G95 is a modal code. Once a G95 is specified, it is valid
until G94 (feed per minute) is specified.
An override from 0% to 254% (in 1% steps) can be applied to feed per
revolution with the switch on the machine operators panel. For detailed
information, see the appropriate manual of the machine tool builder.
F
Feed amount per spindle revolution
(mm/rev or inch/rev)
Fig. 5.3 (c) Feed per revolution
CAUTION
When the speed of the spindle is low, feedrate fluctuation
may occur. The slower the spindle rotates, the more
frequently feedrate fluctuation occurs.
D Feed per minute (G94)
D Feed per revolution
(G95)

Leave a Reply

Your email address will not be published. Required fields are marked *