eover inch/metric
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© Siemens AG, 2002. All rights reserved
SINUMERIK 840D/810D Operator's Guide ManualTurn (BAM) – 08.02 Edition 3-61
3.9 Measuring system changeover inch/metric
Function
This function allows you to change over between the two measuring
systems (inch/metric) according to the drawing's measurement
specifications.
You can change over the measuring system for the entire machine via
the "Inch" soft key in the extended soft key menu. After each
measuring system changeover your machine will show all dimensions
in "inch" or "metric".
At changeover, all necessary specifications are converted into the new
measuring system, e.g.
• positions
• tool offsets
• zero offsets.
Input values in the dialog boxes are not taken into account for the
measuring system changeover.
Sequence of operations
Select any operating mode
Select the extended soft key menu by pressing the ">" key
Preset
Inch
Press the "Preset" and "Inch" soft keys
• Changeover metric to inch: Soft key is active
• Changeover inch to metric: Soft key is not active
After activating the "Inch" soft key, a dialog box queries whether you
want to perform the changeover.
After you confirm by pressing the "OK" soft key, the measuring system
is adapted accordingly.
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