2.7.5 Feedrate for positioning axes / spindles (FA, FPR, FPRAON, FPRAOF)
It is also possible to derive the revolutional feedrate for path and synchronized axes or for
individual positioning axes/spindles from another rotary axis or spindle.
Positioning axes such as workpiece transport systems, tool turrets and end supports are
traversed independently of path and synchronized axes. A separate feedrate is therefore
defined for each positioning axis.
A separate axial feedrate can also be programmed for spindles.
Syntax
Feedrate for positioning axis:
FA[<axis>]=…
Axis feedrate for spindle:
FA[SPI(<n>)]=…
FA[S<n>]=…
Derive revolutional feedrate for path/synchronized axes:
FPR (<rotary axis>)
FPR(SPI(<n>))
FPR(S<n>)
Derive rotational feedrate for positioning axes/spindles:
FPRAON(<axis>,<rotary axis>)
FPRAON(<axis>,SPI(<n>))
FPRAON(<axis>,S<n>)
FPRAON(SPI(<n>),<rotary axis>)
FPRAON(S<n>,<rotary axis>)
FPRAON(SPI(<n>),SPI(<n>))
FPRAON(S<n>,S<n>)
FPRAOF(<axis>,SPI(<n>), etc.)
FPRAOF(<axis>,S<n>, etc.)
Meaning
FA[...]=... : Feedrate for the specified positioning axis or positioning speed (axial fee‐
drate) for the specified spindle
Unit: mm/min or inch/min or degrees/min
Range of values: … 999,999.999 mm/min, degrees/min
… 39 999.9999 inch/min
FPR(...): FPR is used to identify the rotary axis (<rotary axis>) or spindle
(SPI(<n>)/S<n>) from which the revolutional feedrate for the revolutional
feedrate of the path and synchronized axes programmed under G95 is to be
derived.
Fundamentals
2.7 Feed control
NC programming
122 Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
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