HEIDENHAIN TNC 426, User Manual

Page: 360 / 502

334 8 Programming: Cycles
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2 Clamp the workpiece
3 Preparations in the operating mode
Positioning with Manual Data Input (MDI)
Pre-position the tilt axis/axes to the corresponding angular value(s) for
setting the datum. The angular value depends on the selected
reference plane on the workpiece.
4 Preparations in the operating mode
Manual Operation
Use the 3D-ROT soft key to set the function TILT WORKING PLANE
to ACTIVE in the Manual Operation mode. Enter the angular values for
the tilt axes into the menu if the axes are not controlled.
If the axes are not controlled, the angular values entered in the menu
must correspond to the actual position(s) of the tilted axis or axes,
respectively. The TNC will otherwise calculate a wrong datum.
5 Set the datum
n
Manually by touching the workpiece with the tool in the untilted
coordinate system see “Datum Setting(Without a 3-D Touch
Probe),” page 22
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Automatically by using a HEIDENHAIN 3-D touch probe (see the
new Touch Probe Cycles Manual, chapter 2)
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Automatically by using a HEIDENHAIN 3-D touch probe (see the
new Touch Probe Cycles Manual, chapter 3)
6 Start the part program in the operating mode Program Run, Full
Sequence
7 Manual Operation mode
Use the 3D-ROT soft key to set the function TILT WORKING PLANE
to INACTIVE. Enter an angular value of 0° for each axis in the menu
see “To activate manual tilting:,” page 27.