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Heidenhain – HEIDENHAIN TNC 426 (280 460) Training Advanced User Manual

Page 28

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HEIDENHAIN

Advanced course TNC 4xx

Program layout:

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Drilling pattern,
SPGM 1

Center
Absolute pre-position
Plane
Setup clearance in Z

Angular step (increm. )
Drill with M99

Radial step inwards

Further radial steps

Angular step

Radial step outwards

Further radial steps

Further double rows

To intermediate pos.

Remaining hole gr.

Tool change position

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7411/3

C01

Large drilled plate

LBL 1

CC . . .
LP . . .

L Z . . .

LBL 2

LP IPA . . . . . . . . M99

LBL 3

LP IPR . . . . . M99

CALL LBL 3 REP . . .

LP IPA . . . . . . . . M99

LBL 4

LP IPR . . . . . M99

CALL LBL 4 REP . . .

CALL LBL 2 REP . . .

LP IPA . . . . . .

CALL LBL 2 REP . . .

L Z . . . . . M99
L X . . . Y . . . . .

LBL 0