Feedrate Control and Spindle Motion
7.1 Feedrate (G93, G94, G95 or F..., FGROUP, FGREF)
Fundamentals
7-6 Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Units of measurement and calculation
Machine manufacturer
See machine manufacturer's specifications.
Units of measurement for feedrate F
You can use the following G commands to define the units of measurement for the feed
input. Feedrate functions are not affected by G70/G71.
Note
With G700/G710, feedrate values F are interpreted as geometrical parameters in the
system of units set by G function (G700: [inch/min]; G710: [mm/min]).
Feedrate G93
Unit 1/rpm. The inverse-time feedrate specifies the time required to execute the motion
commands in a block.
Example: N10 G93 G01 X100 F2 means: the programmed path is traversed in 0.5 min.
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PLQ
Note
If the path lengths vary greatly from block to block, a new F value should be specified in
each block with G93. The feedrate can also be specified in deg/rev when machining with
rotary axes.
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