Data Transfer from CAD Files | CAD import (option 42)
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
Selecting a contour for a turning operation
You can also use the CAD viewer (option 50) to select contours
for turning. The icon is grayed out if option 50 is not enabled.
Before selecting a turning contour, you must set the preset on the
rotary axis. If you select a turning contour, it is saved with Z and X
coordinates. In addition, all X coordinate values in turning contours
are transferred as diameter values, i.e. the drawing dimensions for
the X axis are doubled. All contour elements below the rotary axis
cannot be selected and are highlighted gray.
Select the mode for choosing a turning contour
The control shows only the selectable elements
above the rotation center.
Select the desired contour elements with the left
mouse button
The control displays the selected contour
elements in blue and shows the selected
elements with a symbol (circular or straight) in
the List View window.
The icons specified above have identical functions for
both milling and turning. Icons not available for turning
are disabled.
You can also use the mouse to change the turning graphic display.
The following functions are available:
To shift the model shown: Hold the center mouse button or the
wheel button down and move the mouse.
To zoom in on a certain area: Mark a zoom area by holding
the left mouse button down. After you release the left mouse
button, the control zooms in on the defined area
To rapidly magnify or reduce any area: Rotate the mouse wheel
backwards or forwards
To return to the standard display: Double-click with the right
mouse key
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