Heidenhain CNC Pilot 4290 V7.1 Description of B and Y axes Manuel d'utilisateur télécharger pdf (Page 20)

1.3 Programming Notes

Milling contour position

Define the reference plane or the reference diameter in the section

code. Specify the depth and position of a milling contour (pocket,

island) in the contour definition:

 With depth P programmed in the previous G308 cycle.

 Alternatively on figures: Cycle parameter depth P.

The algebraic sign of “P” defines the position of the milling contour:

 P<0: Pocket

 P>0: Island

 X: Reference diameter from the section code

 Z: Reference plane from the section code

 P: Depth from G308 or from the figure definition

Cutting limit

If parts of the milling contour lie outside of the turning contour, you

must limit the machining area with the area diameter X / reference

diameter X (parameters of the section code or of the figure

definition).

The cutting limits are also effective when milling in a tilted plane.

Milling contour position

Section P Surface Milling floor

STIRN [FRONT] P<0

P>0

Z+P

RUECKSEITE

[REAR SIDE]

P<0

P>0

Z–P

MANTEL

[SURFACE]

P<0

P>0

X+(P*2)

The area milling cycles mill the surface specified in the

contour definition. Islands within this surface are not

taken into consideration.

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Heidenhain CNC Pilot 4290 V7.1 Description of B and Y axes Manuel d'utilisateur Page 20