HEIDENHAIN MANUALplus 620 115
2.9 Units—Milling, Face
"Contour milling, figures, face" unit
The unit mills the contour defined by Q on the face of the workpiece.
Unit name: G840_Fig_Stirn_C/ Cycle: G840 (see page 330)
Access to the technology database:
Machining operation: Milling
Affected parameters: F, S, FZ, P
Figure form
Q Type of figure
0: Full circle
1: Linear slot
2: Circular slot
3: Triangle
4: Rectangle, square
5: Polygon
QN Number of polygon corners—only with Q=5 (polygon)
X1 Diameter of figure center
C1 Angle of figure center
Z1 Milling top edge
P2 Depth of figure
L Edge length / width across flats
L>0: Edge length
L<0: Width across flats (inside diameter) for polygon
B Rectangle width
RE Rounding radius
A Angle to X axis
Q2 Rotational direction of slot—only if Q=2 (circular slot)
cw: In clockwise direction
ccw: In counterclockwise direction
W Angle of slot end point—only if Q=2 (circular slot)
Program only the parameters relevant to the selected
figure type.
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