Siemens sinumerik 840D sl Operating Manual page 67

Procedure
Turning
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
1. Select "JOG" mode in the "Machine" operating area.
2. Press the "Meas. tool" softkey.
3. Press the "Manual" softkey.
4. Press the "Select tool" softkey.
The "Tool selection" window is opened.
5. Select the tool that you wish to measure.
The cutting edge position and the radius or diameter of the tool must
already be entered in the tool list.
6. Press the "To manual" softkey.
The tool is accepted into the "Length Manual" window.
7. Press the "X" or "Z" softkey, depending on which tool length you want
to measure.
8. Select the cutting edge number D and the number of the replacement
tool ST of the tool.
9. Scratch the required edge using the tool.
10. If you do not wish to keep the tool at the workpiece edge, then press
the "Save position" softkey.
The tool position is saved and the tool can be retracted from the
workpiece. For instance, this can be practical if the workpiece diameter
still has to be subsequently measured.
If the tool can remain at the workpiece edge, then after scratching you
can directly continue with step 11.
11. Enter the position of the workpiece edge in X0 or Z0.
If no value is entered for X0 or Z0, the value is taken from the actual
value display.
12. Press the "Set length" softkey.
The tool length is calculated automatically and entered in the tool list.
Whereby the cutting edge position and tool radius or diameter are
automatically taken into consideration as well.
Setting up the machine
2.5 Measuring the tool
67