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I - 4 executing programs, Executing programs, I - 4 – HEIDENHAIN PT 855 for Turning User Manual

Page 48

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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.