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Opening a new part program – HEIDENHAIN TNC 320 (77185x-01) ISO programming User Manual

Page 90

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Programming: Fundamentals, file management

3.2

Opening programs and entering

3

90

TNC 320 | User's Manual for DIN/ISO Programming | 3/2014

Opening a new part program

You always enter a part program in the

PROGRAMMING AND

EDITING mode of operation. An example of program initiation:

Select the

PROGRAMMING mode of operation

To call the file manager, Press the PGM MGT key.

Select the directory in which you wish to store the new program:

.I

Enter the new program name and confirm your

entry with the ENT key.

Selecting the unit of measure: Press the MM

or INCH soft key. The TNC switches the screen
layout and initiates the dialog for defining the

BLK

FORM (workpiece blank)
Select a rectangular workpiece blank: Press the

soft key for a rectangular blank form

WORKING PLANE IN GRAPHIC: XY

Z

Enter spindle axis, e.g. Z

WORKPIECE BLANK DEF.: MINIMUM

Enter in sequence the X, Y and Z coordinates of

the MIN point and confirm each of your entries

with the ENT key

WORKPIECE BLANK DEF.: MAXIMUM

Enter in sequence the X, Y and Z coordinates of

the MAX point and confirm each of your entries

with the ENT key

Example: Display the BLK form in the NC program

%NEW G71 *

Program begin, name, unit of measure

N10 G30 G17 X+0 Y+0 Z-40 *

Spindle axis, MIN point coordinates

N20 G31 X+100 Y+100 Z+0 *

MAX point coordinates

N99999999 %NEW G71 *

Program end, name, unit of measure

The TNC automatically generates the first and last blocks of the

program.

If you do not wish to define a blank form, cancel the
dialog at

Working plane in graphic: XY by pressing

the DEL key.