·486·
Installation manual
CNC 8060
CNC 8065
9.
CONCEPTS.
(REF: 1402)
Configuration of the HSC mode (High Speed Cutting).
as, for example, when changing the feedrate override percentage or when moving back and
forth on the same path.
FASTFACTOR
Default feedrate percentage (FAST mode).
This parameter indicates the feedrate at the corners and indicates the feedrate percentage
to be reached, of the maximum that the CNC can reach in FAST mode. This parameter
indicates the default value and it may be changed from the part program.
FTIMELIM
Time difference permitted in feedrate interpolation (FAST mode).
The feedrate interpolation in HSC FAST mode improves the machining quality. In rather large
blocks where the feedrate adaptation represents a longer additional time than the one
indicated in FTIMELIM, the CNC will adapt the feedrate using the maximum dynamics to
avoid unnecessary waste of time. When programmed with a 0 value, the CNC does not carry
out the velocity interpolation.
MINCORFEED
Minimum feedrate at the corners.
This value should not be modified because it is possible to exceed the dynamics of the axes.
FSMOOTHFREQ
Smoothing frequency in the interpolation (FAST mode).
This parameter sets the smoothing frequency in path interpolation for the HSC FAST mode.
This parameter avoids accelerating and decelerating throughout a path, beyond a particular
frequency when generating an averaged speed. It is only applied when the HSC FAST mode
is active.
FASTFILTFREQ
Filter frequency (FAST mode).
This parameter activates an automatic filter for all the axes of the channel while executing
in HSC FAST mode that permits smoothing the response of the axes by generating a
smoother path. This filter has the drawback of rounding the corners slightly.
This parameter inserts a constant phase shift regardless of the frequencies.
Axis machine parameters.
CORNERACC
Maximum acceleration permitted at the corners.
This parameter sets the maximum acceleration allowed for the axis during block transition.
If this parameter is set with a ·0· value, the maximum acceleration of the axis is respected.
CURVACC
Maximum contouring acceleration permitted.
If this parameter is set with a ·0· value, the maximum acceleration of the axis is respected.
CORNERJERK
Maximum Jerk permitted at the corners.
If this parameter is set with a ·0· value, the maximum jerk of the axis is respected.
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