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Returning to the contour, 4 pr ogr am run – HEIDENHAIN iTNC 530 (60642x-04) User Manual

Page 658

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658

Test Run and Program Run

16.4 Pr

ogr

am Run

Returning to the contour

With the RESTORE POSITION function, the TNC returns to the

workpiece contour in the following situations:

Return to the contour after the machine axes were moved during a

program interruption that was not performed with the INTERNAL

STOP function

Return to the contour after a block scan with RESTORE POS AT N,

for example after an interruption with INTERNAL STOP

Depending on the machine, if the position of an axis has changed

after the control loop has been opened during a program interruption

If an open-loop axis is also programmed in a positioning block (see

"Programming of noncontrolled axes (counter axes)" on page 652)

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

key

Restore machine status, if required

To move the axes in the sequence that the TNC suggests on the

screen, press the NC Start button, or

To move the axes in any sequence, press the soft keys RESTORE

X, RESTORE Z, etc., and activate each axis with the machine START

button

To resume machining, press the machine START button