Siemens SINUMERIK 840D Operation/Programming Manual page 67

2
10.04
Setting an edge manually
Jog
Work offset
In manual
X Z
Set WO
-or-
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SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
1. Attach any tool for scratching to the spindle.
2. In "Machine Manual" mode, select the "Meas. workp." softkey.
3. Press the "Edge" softkey.
The "Edge" window opens with new vertical softkeys.
4. Press the "Set edge" softkey.
5. Select "Measurement only", if you only want to display the
measured values.
- OR -
Select "Work offset" and the work zero in which you want to store
the zero point (e.g. base reference).
- OR -
Press the "Work offset" softkey.
The "work offset list" is displayed.
Place the cursor on the chosen work offset (e.g. base reference).
Press the "In manual" softkey.
6. Use the softkeys to select in which axis direction you want to
approach the workpiece first.
7. Select the measuring direction (+ or -) you want to approach the
workpiece in.
8. Specify the setpoint position of the workpiece edge you are
approaching.
The setpoint position corresponds, e.g. to the dimension
specifications of the workpiece edge from the workpiece drawing.
9. Traverse the tool to the workpiece edge.
10. Press the "Set WO" or "Calculate" softkey.
Calculate
The position of the workpiece edge is calculated and displayed.
The set position of the workpiece edge is stored as the new zero point
when "Set WO" is pressed. The tool radius is automatically included in
the calculation.
Example:
11. Repeat the measurement procedure (steps 6 to 10) for the two
other axes, if necessary.
2.6 Measuring workpiece zero
Reference point workpiece edge X1 = -50
Approach direction: +
Tool radius = 3 mm
⇒ Work offset X = 53
2
Operation
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