
B–63523EN–1/03
7. FEEDRATE CONTROL/ACCELERATION
AND DECELERATION CONTROL
853
When rapid traverse bell–shaped acceleration/deceleration is used, T1 in
the figure below and the rapid traverse rate are adjusted. T2 is not
adjusted.
Rapid traverse rate
Time
T2/2 T1 T2/2
When angular axis control is used, adjustment is performed according to
the amount of travel in the Cartesian coordinate system.
In coordinate system rotation mode, adjustment is performed according
to the amount of travel after coordinate system rotation. In scaling mode,
adjustment is performed in a similar manner.
In cutter compensation C or tool nose radius compensation mode,
adjustment is performed according to the amount of travel after
compensation.
In three–dimensional coordinate conversion mode, adjustment is
performed according to the amount of travel before coordinate
conversion.
In polar coordinate interpolation mode, adjustment is performed
according to the amount of travel in the Cartesian coordinate system.
When using this function with simple synchronous control, enable this
function for both the master and slave axes (by setting bit 0 (OAD) of
parameter 6131 to 1), and set the same rapid traverse rate, time constant,
and loop gain values for both the master and slave axes.
When rapid traverse of linear interpolation type is being used (when bit
1 (LRP) of parameter 1401 is set to 1), adjustment is performed. But the
feedrate for each axis is determined so that the tool path becomes linear.
Therefore, the tool does not always move at a parameter–set rapid traverse
rate (parameters 6161 to 6167).
Rapid traverse
bell–shaped
acceleration/deceleration
Angular axis control
Coordinate system
rotation, scaling
Cutter compensation C,
tool nose radius
compensation
Three–dimensional
coordinate conversion
Polar coordinate
interpolation
Simple synchronous
control
Rapid traverse of linear
interpolation type