beautypg.com

1 fundamentals, Overview, Effect of coordinate transformations – HEIDENHAIN TNC 128 (77184x-02) User Manual

Page 448: Fundamentals

background image

Cycles: Coordinate Transformations

18.1

Fundamentals

18

448

TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014

18.1

Fundamentals

Overview

Once a contour has been programmed, you can position it on the
workpiece at various locations and in different sizes through the
use of coordinate transformations. The TNC provides the following
coordinate transformation cycles:

Cycle

Soft key

Page

7 DATUM
For shifting contours directly within
the program or from datum tables

449

247 DATUM SETTING
Datum setting during program run

455

8 MIRRORING
Mirroring contours

456

11 SCALING FACTOR

Increasing or reducing the size of
contours

457

26 AXIS-SPECIFIC SCALING

Increasing or reducing the size of
contours with axis-specific scaling

458

Effect of coordinate transformations

Beginning of effect: A coordinate transformation becomes effective
as soon as it is defined—it is not called separately. It remains in
effect until it is changed or canceled.

To cancel coordinate transformations:

Define cycles for basic behavior with a new value, such as
scaling factor 1.0

Execute a miscellaneous function M2, M30, or an END PGM
block (depending on machine parameter

clearMode).

Select a new program