HEIDENHAIN TNC 640 User Manual page 725

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Manual Operation and Setup | Presetting with a 3-D touch probe

You can identify the intersection of two straight lines by

holes or studs and set this as the preset.

In addition to presetting, you can also activate a basic rotation or

an offset with the cycle. The control has two soft keys for you to

decide which straight line you wish to use for this.

The ROT 1 soft key activates the angle of the first straight line as

basic rotation or as offset, and the ROT 2 soft key activates the

angle of the second straight line.

If you activate the basic rotation, the control automatically writes

the positions and the basic rotation to the preset table.

If you activate the offset, the control automatically writes the

positions and the offset or only the positions to the preset table.

HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017