Special Motion Commands
5.4 Compressor (COMPOF/ON, COMPCURV, COMPCAD)
Job planning
5-12 Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
N10 G1 X10 Y20 Z30 A40 B50 F350
N11 SPLINEPATH(1,X,Y,Z) ;Spline grouping
N13 CSPLINE BAUTO EAUTO X20 Y30 Z40 A50 B60 ;C spline
N14 X30 Y40 Z50 A60 B70
…
;Interpolation points
N100 G1 X… Y… ;Deselection of spline
;interpolation
5.4 5.4 Compressor (COMPOF/ON, COMPCURV, COMPCAD)
Function
With G code COMPON block transitions are only constant in speed, while acceleration of the
participating axes can be in jumps at block transitions. This can increase oscillation on the
machine.
With G code COMPCURV, the block transitions are with constant acceleration. This ensures
both smooth velocity and acceleration of all axes at block transitions. The COMPCAD G
code can be used to selected another compression that can be optimized with regard to
surface quality and velocity.
Machine manufacturer
The compressor functions can be configured and thus dependent on machine data settings.
Programming
COMPON
or
COMPOF
or
COMPCURV
or
COMPCAD
Operating conditions for programmed NC blocks
This compression operation can only be executed on linear blocks (G1). It is interrupted by
any other type of NC instruction, e.g., an auxiliary function output, but not by parameter
calculations. Only those blocks containing nothing more than the block number, G1, axis
addresses, feed and comments are compressed. All other blocks are executed unchanged
(no compression). Variables may not be used.
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