Programming
8.3 Axis movements
8-166
SINUMERIK 802D sl Operation and Programming Nibbling (BP-N), 06/2006 Edition
6FC5 398-3CP10-0BA0
SOFT
The axes of the machine accelerate along a non-linear, constant characteristic until reaching
the final velocity. With this jerk-free acceleration, SOFT allows for reduced machine load.
The same behavior can also be applied to braking procedures.
Time
Velocity
(path)
BRISK
(time-optimized)
SOFT
(spares the mechanical parts)
Setpoint
t1
t2
Fig. 8-30 Principle course of the path velocity when using BRISK/SOFT
Programming
BRISK ; Sudden path acceleration
SOFT ; Jerk-limited path acceleration
Programming example
N10 SOFT G1 X30 Y84 F650 ; Path acceleration with jerk limitation
...
N90 BRISK X87 Y104 ; Continue with stepped path acceleration
...
8.3.13 Percentage acceleration override: ACC
Functionality
Certain program sections can require the axis and spindle acceleration set via the machine
data to be changed using the program. This programmable acceleration is a percentage ac-
celeration override.
can be programmed to specify a percentage value of > 0% and v 200% for each machine
axis. The axis interpolation is then carried out with this proportional acceleration. Reference
value (100%) is the valid machine data value for the acceleration.
Programming
ACC[axis name] = percentage ; for the axis
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