HEIDENHAIN ND 287 User Manual - Manual (Page 82)

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II Installation, specifications
II – 2 Installation Set
u
p Creating an error compensation table
 To start a new error compensation table, first press the EDIT TABLE
soft key. This opens the ERROR COMPENSATION TABLE form.

It may occur that the error is not caused by the axis to be
compensated. Press the X1/X2 soft key to select the appropriate
axis in the ERROR-CAUSING AXIS field.
 All correction points (up to 200) are equally spaced from the start
point. Enter the distance between each of the correction points.
Select POINT SPACING and press the SPACING soft key or the
ENTER key. Enter a value and press ENTER.
 Enter the START point:
 If the start point is known, enter the start point. Select START
POINT and press the START POINT soft key or the ENTER key.
The start point is measured from the scale's reference point.
 If the start point is not known, move to the location of the start
point. Please keep in mind that the reference marks must have
been crossed. Press the TEACH POSITION soft key. Press the
ENTER key to confirm the position.
 In the REF DISPLAY field, the ND shows the current value of the
axis to be compensated
without considering the datums entered.
Fig. II.33 Error compensation table
Fig. II.34 Error compensation table
Fig. II.35 Error compensation table: Enter the START
point.
After a new start point has been entered, the ND 287 will
adjust the previous values in the error compensation table.