HEIDENHAIN PT 855 for Turning - Manual (Page 30)

I - 3 Programming POSITIP
POSITIP 855 Operating Instructions 31
Entering program blocks
Z
1
X
15
2
3 4
20 65 0
5
Select the coordinate axis (X axis).
N o m i n a l p o s i t i o n v a l u e ?
1 5
ENT
Program blocks
0 BEGIN PGM 10 MM Start of program, program number and unit of measurement
1 X+50.000 Pre-position the tool in the X axis
2 Z+20.000 Pre-position the tool in the Z axis
3 X+15.000 X coordinate, position
4 Z–20.000 Z coordinate, position
5 IX+5.000 Incremental X coordinate, position
6 Z–65.000 Z coordinate, position
7 END PGM 10 MM End of program, program number and unit of measurement
Example: Milling a shoulder
The datum is the workpiece zero.
Position Z = 0 mm X = 15 mm
Position Z = –20 mm X = 15 mm
Position Z = –20 mm I X = +5 mm
Position Z = –65 mm X = 20 mm
Summary of programming steps
➤
➤ ➤ ➤ ➤ In the main menu PROGRAMMING AND EDITING use the
Program Number soft key to access the program directory.
➤ ➤ ➤ ➤ ➤ Key in the number of the program you want to work on, and
press ENT.
➤ ➤ ➤ ➤ ➤ Select Edit in the main menu PROGRAMMING AND
EDITING .
➤ ➤ ➤ ➤ ➤ Enter the nominal positions.
Running a finished program
When a program is finished it can be run in the
EXECUTE PRO-
GRAM operating mode (see Chapter I - 4).
Example of entry: Entering a nominal position into a program
(block 3 in the example)
1
1
2
4
Enter the nominal position value (X = 15 mm). Confirm entry.
The nominal position is now the current block (between the dashed lines).
3
2
3
4