Setting up the machine
2.6 Measuring the workpiece zero
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
71
Selecting the work offset as basis for the measurement
A work offset can be selected as measurement basis to flexibly adapt to the measuring
tasks.
If the work offset selection as measurement basis is not activated, then the measurement
refers to the currently active work offset.
Measuring sequence
To obtain the desired measuring results, you must keep to the measuring point sequence
shown in the help displays.
You can reject measuring points and then measure them again. This is done by pressing the
softkey that is currently active (measured value).
Measuring only
If you "only" want to measure the workpiece zero, the measured values are calculated and
displayed without changing the coordinate system.
Work offset
You usually store the measured workpiece zero in a work offset. The HMI allows rotations
and offsets to be measured.
Zero point
The measurement values for the offsets are stored in the coarse offset and the relevant fine
offsets are deleted. If the zero point is stored in a non-active work offset, an activation
window is displayed in which you can activate this work offset directly.
Machine manufacturer
Please refer to the machine manufacturer's specifications.
Aligning
Alignment can be performed either by rotating the coordinate system or by rotating the
workpiece with a rotary axis. If your machine is equipped with two rotary axes and the
"swivel" function is set up, you can also align an inclined plane.
Rotary axes
If your machine has rotary axes, you can include these rotary axes in the measurement and
setup procedure. If you store the workpiece zero in a work offset, rotary axis positioning may
be necessary in the following cases.
● Correcting the work offset requires you to position the rotary axes to align the workpiece
parallel with the coordinate system, e.g. with "Align edge".
● Correcting the work offset rotates the workpiece coordinate system, which should align
the tool perpendicular to the plane, e.g. for "Align plane".
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