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1 positioning with manual data input (mdi), Positioning with manual data input (mdi) – HEIDENHAIN TNC 406 User Manual

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3 Positioning with Manual Data Input (MDI)

3.1 P

o

sitioning with Manual D

ata Input (MDI)

3.1 Positioning with Manual Data

Input (MDI)

The POSITIONING WITH MANUAL DATA INPUT mode of operation is
particularly convenient for simple machining operations or exact pre-
positioning of the electrode. You can write a program in conversational
programming and execute it immediately. You can also define and call
TNC cycles. The program is stored in the file $MDI.

Positioning with manual data input (MDI)

Select the Positioning with MDI mode of operation.
Program the file $MDI as you wish.

To start program run, press the machine START button.

Example: Programming and processing a line

Select operating mode: Positioning with MDI.

Select the axis, and enter the end-point coordinates
of the line and the feed rate,
i.e.: L X+125 R F100 M

Conclude entry.

Start positioning block.

„

PGM CALL can not be used to call a program.

„

LBL CALL can not be used for calling sub-routines or
repeating sections of programs.

„

For a TOOL CALL block to processed, the
corresponding TOOL DEF tool definition must be
programmed within the $MDI file.

„

Incremental positionings always refers to the present
electrode position.

„

Programming a radius compensation (RL/RR) is not
permitted.

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