11
Oscillation 08.97
11.1 As
nchronous oscillation
11
840D
NCU 571
840D
NCU 572
NCU 573
FM-NC 810D 840Di
Siemens AG 2000. All rights reserved
11-398
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
Properties of asynchronized oscillation
•
Asynchronized oscillation is active beyond block
limits on an axis-specific basis.
•
Block-oriented activation of the oscillation
movement is ensured by the part program.
•
Combined interpolation of several axes and
superimposing of oscillation paths are not
possible.
Setting data
The setting data necessary for asynchronized
oscillationSetting datacan be set in the part program.
If the setting data are described directly in the
program, the change takes effect during
preprocessing. A synchronized response can be
achieved by means of a STOPRE.
Example:
Oscillation with online change
of reversal position
$SA_OSCILL_REVERSE_POS1[Z]=-10
$SA_OSCILL_REVERSE_POS2[Z]=10
G0 X0 Z0
WAITP(Z)
ID=1 WHENEVER $AA_IM[Z] < $$AA_OSCILL_REVERSE_POS1[Z] DO $AA_OVR[X]=0
ID=2 WHENEVER $AA_IM[Z] < $$AA_OSCILL_REVERSE_POS2[Z] DO $AA_OVR[X]=0
;If the actual value of the oscillation axis
;has exceeded the reversal point,
;the infeed axis is stopped.
OS[Z]=1 FA[X]=1000 POS[X]=40
;Switch on oscillation
OS[Z]=0
;Switch off oscillation
M30
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