HEIDENHAIN ND 100 User Manual - Manual (Page 83)

ND 120 QUADRA-CHEK 83
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p  Perform a single measurement of the entire range of motion using
the standard artifact and make a note of the result.
In this example of applying LEC, one point at end of the axis
measurement range is measured using an 8 inch standard.
To perform the linear error correction in the LEC screen:
 Highlight the LEC menu item.
 Enter the Standard value of the artifact and the Observed value
measured by the DRO for the measurement axis. This example
shows Standard and Observed values for the X axis.
 Perform LEC on other axes if desired and then press the FINISH key
to save parameters and return to the Setup menu.
Notice
Use an artifact that allows measurements of as much of
the axis range of motion as possible.
LEC example using an 8 inch standard
Arrow number Descriptions
1: Standard length Entire 8 inch length is measured
2: Standard values The certified length of the standard
3: Observed values The measured length of the standard
4: Deviation graph Difference between standard and observed
values (not entered into any screen)
Notice
The standard and observed values for axes should be
1.000 when no LEC correction is applied.
Highlight the LEC screen Enter the Standard and Observed values
for the axis