Heidenhain CNC Pilot 4290 V7.1 Description of B and Y axes Manuel d'utilisateur télécharger pdf (Page 25)

HEIDENHAIN CNC PILOT 4290 25

1.5 DIN PLUS: Contours in the XY Plane

Circular arc G172/G173 Geo

G172/G173 defines a circular arc in a contour of the XY plane. Direction

of rotation: See help graphic

Parameters

X End point (radius)

Y End point

I Center in X direction (radius)

J Center in Y direction

R Radius

B Chamfer/rounding. Defines the transition to the next contour

element. When entering a chamfer/rounding, program the

theoretical end point.

 No entry: Tangential transition

 B=0: No tangential transition

 B>0: Rounding radius

 B<0: Chamfer width

Q Point of intersection. End point if the line segment intersects

a circular arc (default: 0):

 For a transition to a line segment:

 Q=0: Near point of intersection

 Q=1: Far point of intersection

 For a transition to a circular arc:

 Q=0: Far point of intersection

 Q=1: Near point of intersection

Programming

 X, Y: Absolute, incremental, modal or “?”

 I, J: Absolute or incremental

 End point must not be the starting point (no full circle).

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Heidenhain CNC Pilot 4290 V7.1 Description of B and Y axes Manuel d'utilisateur Page 25