HEIDENHAIN CNC Pilot 4290 Pilot - Manual (Page 18)

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Undercut DIN 76 (H=7)
Undercut DIN 76 (H=7)
Parameters
I:
Depth of undercut (radius)
K: Width of undercut
R: Undercut radius (in both corners of the undercut) – default:
R=0.6*I
W: Undercut angle – default: 30°
Continued
Undercut form H (H=8)
Undercut form H (H=8)
If you do not enter W, it will be calculated on the basis of K and R. The
final point of the undercut is then located at the ”final point contour.”
Parameters
K:
Width of undercut
R: Undercut radius – no value: the circular element is not machined
W: Plunge angle – no value: W is calculated
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