Path Action
5.4 Acceleration behavior
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
5-15
Continuous-path mode in rapid traverse G0
One of the functions G60/G9 or G64/G641 must also be specified for rapid traverse.
Otherwise, the default in the machine data is used.
By setting MD 20490: IGNORE_OVL_FACTOR_FOR_ADIS results in block transitions being
smoothed irrespective of the programmed overload factor.
5.4 Acceleration behavior
5.4.1 Acceleration response, BRISK, SOFT, DRIVE
Function
BRISK, BRISKA:The axis slides travel with maximum acceleration until the feedrate is
reached. BRISK enables time-optimized machining, but with jumps in the acceleration curve.
SOFT, SOFTA:The axis slides travel with constant acceleration until the feedrate is reached.
SOFT acceleration enables higher path accuracy and less wear and tear on the machine.
DRIVE, DRIVEA:The axis slides traverse at the maximum acceleration rate up to the speed
limit set in the machine data. The acceleration rate is then reduced according to machine
data until the feedrate speed is reached. This function allows the acceleration characteristic
to be optimally adapted to a specific motor characteristic, for example, for stepper motor
applications.
Programming
BRISK
BRISKA (axis1,axis2,…)
Or
SOFT
SOFTA (axis1,axis2,…)
Or
DRIVE
DRIVEA (axis1,axis2,…)
Parameters
BRISK Brisk acceleration of path axes
BRISKAaxis1,axis2,…) Switch on brisk axis acceleration for the programmed
axes
SOFT Soft acceleration of path axes
SOFTAaxis1,axis2,…) Switch on soft axis acceleration for the programmed
axes
DRIVE Reduction of acceleration above a speed for path
axes that can be set in
$MA_ACCEL_REDUCTION_SPEED_POINT (only applicable for
FM-NC)
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