HEIDENHAIN PT 855 for Turning - Manual (Page 48)

I - 4 Executing Programs
POSITIP 855 Operating Instructions 49
Executing Programs
Programs are run in the operating mode EXECUTE PROGRAM .
The current program block is displayed at the top of the screen.
There are two ways to run programs:
Single Block
When you have moved the axis to the displayed position, call the
next block with the soft key
Next Block . It is recommended
that you use Single Block when running a program for the
first time.
Automatic
In this mode the display automatically shows the next program
block as soon as you have moved to the displayed position. Use
Automatic when you are sure the program contains no errors
and you want to run it quickly.
Preparation
➤
➤ ➤ ➤ ➤ Clamp the part to be turned.
➤
➤ ➤ ➤ ➤ Press MOD.
➤
➤ ➤ ➤ ➤ Check the settings of the user parameters Oversize OFF/
ON and Scaling Factor OFF/ON . Normal setting: OFF .
➤ ➤ ➤ ➤ ➤ Select the user parameters for the position display
that are appropriate for the values entered in the program.
Normal:
Sum Z , Radius Z , Diameter X
➤ ➤ ➤ ➤ ➤ Press MOD again.
➤
➤ ➤ ➤ ➤ Select the tool with the vertical arrow keys.
➤
➤ ➤ ➤ ➤ Set the workpiece datum.
➤
➤ ➤ ➤ ➤ Select the program to be executed with Program
Number in the main menu EXECUTE PROGRAM .
Single block
Operating mode: EXECUTE PROGRAM
I - 4
Select Single Block .
Move to the position by traversing to display value zero.
Call the next program block.
Continue calling blocks with the soft key Next Block until ma-
chining is complete.
An overview of functions is shown on the next page.