Siemens SINUMERIK 840D sl Programming Manual page 512

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11.1 Asynchronous oscillation

Oscillation reversal points

The current offsets must be taken into account when oscillation positions are defined:

• Absolute specification

OSP1[Z]=value 1

Position of reversal point = sum of offsets + programmed value

• Relative specification

OSP1[Z]=IC(value)

Position of reversal point = reversal point 1 + programmed value

N10 OSP1[Z]=100 OSP2[Z]=110

N40 OSP1[Z]=IC(3)

WAITP (axis):

• If oscillation is to be performed with a geometry axis, you must enable this axis for

• When oscillation has finished, this command is used to enter the oscillating axis as a

Oscillation with motion-synchronous actions and stop times, OST1/OST2

Once the set stop times have expired, the internal block change is executed during

oscillation (indicated by the new distances to go of the axes). The switch-off function is

tested for the block change. The deactivation function is defined according to the control

setting for the motional sequence "OSCTRL". This dynamic response can be influenced by

the feed override.

An oscillation stroke may then be executed before the sparking-out strokes are started or the

end position approached. Although it appears as if the deactivation response has changed,

this is not in However, this is not the case.

Setting feed, FA

The feedrate is the defined feedrate of the positioning axis. If no feedrate is defined, the

value stored in the machine data applies.

oscillation with WAITP.

positioning axis again for normal use.

Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0

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