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01/2008 Machine operating area
4.1 CNC data structure
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© Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition 4-87
Ref Point
Ref (reference point approach to coordinate machine and control zero
points)
MDA
In "MDA" mode, it is possible to select "Teach-in" (storage of motion
sequences in a part program through position approach) by pressing
the MCP key.
Preparation for
production
To start actual production, some preparatory measures must be taken:
1. Set up the tools and workpiece
2. Traverse the tools/workpiece to the start position specified in the
setup plan
3. Download the part program to the control memory
4. Check/enter the work offsets
5. Check/enter the tool offsets
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