Miscellaneous Functions | Miscellaneous functions for path behavior
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HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2017
Example
You want to be able to use the handwheel during program run to
move the tool in the working plane X/Y by ±1 mm and in the rotary
axis B by ±5° from the programmed value:
L X+0 Y+38.5 RL F125 M118 X1 Y1 B5
M118 is always effective in the machine coordinate
system.
Further information: "Handwheel superimp.:", page
M118 is also effective in the Positioning w/ Manual
Data Input operating mode!
Virtual tool axis VT
Refer to your machine manual.
Your machine tool builder must have prepared the
control for this function.
With the virtual tool axis, you can also traverse with the handwheel
in the direction of a sloping tool on a machine with swivel heads.
To traverse in a virtual tool axis direction, select the VT axis on the
display of your handwheel.
Further information: "Traverse with electronic handwheels",
page 627
When using a HR 5xx handwheel, you can select the virtual axis
directly with the orange VI axis key, if necessary.
In conjunction with the M118 function, it is also possible to carry
out handwheel superimpositioning in the currently active tool axis
direction. For this purpose, program at least the spindle axis with
its permitted range of traverse in the M118 function (e.g. M118 Z5)
and select the VT axis on the handwheel.
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