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Returning to the contour – HEIDENHAIN TNC 410 ISO Programming User Manual

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11 Test Run and Program Run

11

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Returning to the contour

With the RESTORE POSITION function, the TNC
returns to the workpiece contour in the following
situations:

n

Return to the contour after the machine axes
were moved during a program interruption that
was not performed with the INTERNAL STOP
function.

n

Return to the contour after a block scan with
RESTORE POS AT N, for example after an
interruption with INTERNAL STOP.

n

Additionally on the TNC 426 and TNC 430:
Depending on the machine, if the position of an
axis has changed after the control loop has been
opened during a program interruption:

U

U

U

U

To select a return to contour, press the RESTORE
POSITION soft key.

U

U

U

U

To move the axes in the sequence that the TNC
suggests on the screen, press the machine
START button.

U

U

U

U

To move the axes in any sequence, press the soft
keys RESTORE X, RESTORE Z, etc., and activate
each axis with the machine START key.

U

U

U

U

To resume machining, press the machine START
key.