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

Page 29

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HEIDENHAIN

Advanced course TNC 4xx

Detail:

Large drilled plate

7411/4

C04

Start = Pre-position

18°

4,667°

3,333°

3,333°

LBL 2
= 1st hole group

-6,667°

LBL 1

LBL 3

LBL 4

LBL 2

LBL 0

LBL 1
= (19 + 1)

*

drilling pattern +

angle increment 4,667° between
drilling patterns

Angular step:

3° 20' = 3° 20

60

= 3,333°

Pre-position

Overall working direction