HEIDENHAIN ND 510 v.2 - Manual (Page 3)

Datum Setting Functions
The special functions which your display unit is capable of allow you to define a
workpiece edge or the centerline between two workpiece edges as the datum. With
the SPEC FCT feature, the display unit takes into account the tool diameter you
entered in operating parameter P25.
Workpiece edge as datum
➤ Select the datum.
➤ Press the SPEC FCT key once.
The indicator "Workpiece edge as datum"
starts blinking.
➤ Press ENT.
The indicator glows.
➤ Select the coordinate axis in which the
tool moves.
The selected coordinate axis glows more brightly.
➤ Touch the workpiece with the tool.
➤ Press ENT.
The display shows the current position of the edge.
➤ Enter the new coordinate value for the workpiece edge that was touched.
➤ Press ENT.
The display unit sets the workpiece edge to the new value and displays the
position of the tool center based on the new datum.
This function ends automatically.
Centerline between two workpiece edges as datum
➤ Select the datum.
➤ Press the SPEC FCT key twice.
The indicator "Centerline as datum"
starts blinking.
➤ Press ENT.
The indicator glows.
➤ Select the coordinate axis in which the
tool moves.
The selected coordinate axis glows more brightly.
➤ Touch the first workpiece edge with the tool.
➤ Press ENT.
The decimal point in the display blinks.
➤ Touch the second workpiece edge with the tool.
➤ Press ENT.
The display shows the current position of the centerline.
➤ Enter the new coordinate value for the centerline between the two touched
workpiece edges.
➤ Press ENT.
The display unit sets the centerline to the new value and displays the position
of the tool center based on the new datum.
This function ends automatically.
Aborting the datum setting functions
➤ To abort when the indicator for the function is blinking:
Press CL.
➤ To abort when the indicator for the function is glowing steadily:
Press SPEC FCT.
Y
X
Z
X?
Workpiece edge as datum
Y
X
Z
X?
Centerline as datum