Siemens SINUMERIK 840D sl Programming Manual page 104

Measuring in JOG
4.2 Workpiece measurement
Result
Measurement is performed automatically at P1 with the set measuring feed as soon as you
press "NC Start". Measurement is followed by rapid-traverse retraction to the starting
position.
After successful measurement, the measured value is stored internally and the "P1 stored"
softkey that was previously switched inactive is activated.
After manual positioning at measuring point P2 and with softkey "P1 stored" switched active,
pressing "NC Start" starts measurement of the 2nd measuring point in the selected
measuring axis. After successful measurement, softkey "P2 stored" is activated, and the 2nd
measured value is stored.
A vertical "Calculate" softkey is then displayed. After this softkey is pressed, then angle
between the edge and the reference axis and the selected contour calculation is calculated.
When the "coordinate rotation" angular offset (correction) is selected, then the offset is also
activated if it is the active ZO.
When the "rotary axis" angular offset is selected (name of the rotary axis), a help function for
the user is displayed to activate the offset (refer to "Support of set-up in JOG" chapter).
Display and correction
After offset calculation has been completed, the frame components of the selected ZO are
redisplayed along with the measured "alpha" angle.
In the case of ZO correction by "rotation of the workpiece coordinate system", the selected
ZO is calculated such that the measured edge forms the required angle (set angle) with the
selected reference axis after activation of the selected ZO.
In the case of ZO correction in a specified rotary axis, the difference in angle between the
measured and desired angle is entered in the selected ZO (translation) of the specified
rotary axis.
No check is made for correct assignment of the specified rotary axis!
Note
• The rejection, repetition, and end of measurement are described in the "Reject, repeat,
• A support function is available to the user when activating the determined ZO correction
See also
Rejection and repetition of measurements (Page 4-35)
General information (Page 4-38)
4-16
end of measurement" chapter.
in the JOG mode. This is shown right after the measurement and is detailed in the
Measuring workpieces chapter, "Support of set-up in JOG - after measurement".
Programming Manual, Release 04/2006, 6FC5398-4BP10-0BA0
Measuring cycles