2
10.04 Operation
2.6 Measurin
work
iece zero
2
ï›™ Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition 2-89
2.6.6 Corrections after measurement of the zero point
If you store the workpiece zero in a work offset, changes to the
coordinate system or axis positions might be necessary in the
following cases.
• Correcting the work offset causes the workpiece coordinate
system to rotate, after which the tool can be aligned
perpendicularly to the plane.
• Correcting the work offset necessitates positioning of the rotary
axis in order to align the workpiece parallel with the coordinate
system
Activation windows help you to adapt the coordinate system and the
axis positions.
Activating work offset
You stored the workpiece zero in a work offset that was not active
during measurement.
Set WO
When you press the "Set WO" softkey, the activation window opens
asking whether you want to "Activate work offset xxx now?".
îš¾ Press the "OK" softkey to activate the corrected work offset.
Aligning and retracting
the tool
Rotating the workpiece coordinate system makes it necessary to
realign the tool to the plane.
The activation window asking whether you want to "Position
measuring probe perpendicular to plane?" is displayed.
îš¾ Select "Yes" if you want to swivel into the plane.
The query "Positioning by swiveling! Retract?" appears.
îš¾ Select the retract method you want to use.
Cycle Start
îš¾ Press the "Cycle Start" key.
When the axis has been retracted the tool is realigned with the help of
the swivel cycle.
You can now measure again.
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