HEIDENHAIN iTNC 530 (60642x-04) - Manual (Page 588)

588 Manual Operation and Setup
14.5 W
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piece pr
eset
ting without a t
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obe
Workpiece presetting with axis keys
Select the Manual Operation mode
Move the tool slowly until it touches (scratches) the
workpiece surface
Select an axis (all axes can also be selected via the
ASCII keyboard)
Zero tool in spindle axis: Set the display to a known
workpiece position (here, 0) or enter the thickness d
of the shim. In the tool axis, offset the tool radius
Repeat the process for the remaining axes.
If the values for the tool in the tool axis have already been set, set the
display of the tool axis to the length L of the tool or enter the sum
Z=L+d
Y
X
Z
X
Y
-R
-R
Protective measure
If the workpiece surface must not be scratched, you can
lay a metal shim of known thickness d on it. You then
enter a value that is greater than the desired preset by the
value d.
DATUM SETTING Z=