Specifying A Reference Point; Assigning The Machining Plane - Siemens SINUMERIK 840D sl Operating Manual

● Select the contour or drilling positions in the DXF file or CAD drawing and click "OK" to
accept the cycle
● Add program record with "Accept" to the G-code or ShopMill program
6.11.3.2

Specifying a reference point

Because the zero point of the DXF file normally differs from the zero point of the CAD drawing,
specify a reference point.
Procedure
6.11.3.3

Assigning the machining plane

You can select the machining plane in which the contour created with the DXF reader should
be located.
Milling
Operating Manual, 05/2017, A5E40868956
1. The DXF file is opened in the editor.
2. Press the ">>" and "Specify reference point" softkeys.
3. Press the "Element start" softkey to place the zero point at the start of the
selected element.
- OR -
Press the "Element center" softkey to place the zero point at the center
of the selected element.
- OR -
Press the "Element end" softkey to place the zero point at the end of the
selected element.
- OR -
Press the "Arc center" softkey to place the zero point at the center of an
arc.
- OR -
Press the "Cursor" softkey to define the zero point at any cursor position.
- OR -
Press the "Free input" softkey to open the "Reference Point Input" window
and enter the values for the positions (X, Y) there.
Machining the workpiece
6.11 Working with DXF files
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