Data Transfer from CAD Files | CAD import (option 42)
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
333
Selecting a datum on the intersection of two elements
Select the mode for specifying the datum
Click the first element (straight line, circle or
circular arc) with the left mouse button
The element is color-highlighted.
Click the second element (straight line, circle or
circular arc) with the left mouse button
The control sets the preset symbol on the
intersection.
You can adjust the orientation of the coordinate
system, if required.
Further information: "Adjusting the orientation
of the coordinate system", page 333
Operating notes:
If there are several possible intersections, the control
selects the intersection nearest the mouse-click on
the second element.
If two elements do not intersect directly, the control
automatically calculates the intersection of their
extensions.
If the control cannot calculate an intersection, it
deselects the previously selected element.
When a datum has been set, the color of the datum setting icon
changes.
You can delete a datum by pressing the icon.
Adjusting the orientation of the coordinate system
The position of the coordinate system is defined by the orientation
of the axes.
The datum has already been set
Left-click an element that is in the positive X
direction
The control aligns the X axis and displays it in red
in the list view.
Left-click an element that is approximately in the
positive Y direction
The control aligns the Y and Z axes and displays
them in green and blue in the list view.
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