Siemens sinumerik 840d Programming Manual page 398

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11.1 Asynchronous oscillation

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

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.

Oscillation with online change

of reversal position

$SA_OSCILL_REVERSE_POS1[Z]=-10

$SA_OSCILL_REVERSE_POS2[Z]=10

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

OS[Z]=1 FA[X]=1000 POS[X]=40

;If the actual value of the oscillation axis

;has exceeded the reversal point,

;the infeed axis is stopped.

;Switch on oscillation

;Switch off oscillation

SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition

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