HEIDENHAIN TNC 640 (34059x-01) ISO programming - Manual (Page 404)

404 Positioning with Manual Data Input
14.1 Pr
ogr
amming and Ex
ecuting
Simple Mac
h
ining Oper
ations
14.1 Programming and Executing
Simple Machining Operations
The Positioning with Manual Data Input mode of operation is
particularly convenient for simple machining operations or to pre-
position the tool. It enables you to write a short program in
HEIDENHAIN conversational programming or in ISO format, and
execute it immediately. You can also call TNC cycles. The program is
stored in the file $MDI. In the Positioning with MDI mode of operation,
the additional status displays can also be activated.
Positioning with Manual Data Input (MDI)
Select the Positioning with MDI mode of operation.
Program the file $MDI as you wish
Start the program run: Press the machine START key
Example 1
A hole with a depth of 20 mm is to be drilled into a single workpiece.
After clamping and aligning the workpiece and setting the datum, you
can program and execute the drilling operation in a few lines.
Limitation
The following functions are not available in the MDI mode:
„ FK free contour programming
„ Program section repeats
„ Subprogramming
„ Path compensation
„ The programming graphics
„ Program call %
„ The program-run graphics
Y
X
Z
50
50