Siemens SINUMERIK 840D sl Universal Operating Manual page 203

soon as there are no subsequent elements – or intersections with other elements of the contour
occur.
Note
If a contour includes more elements than can be processed, you will be offered the option of
transferring the contour to the program as pure G code.
This contour then can no longer be edited in the editor.
Procedure
Opening a DXF file
Specifying a reference point
Contour line
Defining the start point
Universal
Operating Manual, 07/2021, 6FC5398-6AP40-6BA4
With the "Undo" softkey, you can undo your contour selection back to a
specific point.
1. Enter the desired name in the "New Contour" window.
2. Press the "From DXF file" and "Accept" softkeys.
The "Open DXF File" window opens.
3. Select a storage location and place the cursor on the relevant DXF file.
You can, for example, use the search function to search directly for a DXF
file in comprehensive folders and directories.
4. Press the "OK" softkey.
The CAD drawing opens and can be edited for contour selection.
The cursor takes the form of a cross.
5. If required, specify a zero point.
6. Press the ">>" and "Automatic" softkeys if you want to accept the largest
possible number of contour elements.
This makes it fast to accept contours that consist of many individual ele‐
ments.
- OR -
Press "Only to 1st cut" if you do not want to accept the complete contour
elements at once.
The contour will be followed to the first cut of the contour element.
7. Press the "Select element" softkey to select the desired element.
8. Press the "Accept element" softkey.
Machining the workpiece
7.17 Working with DXF files
203