Special Cases:
- Last UpdatedDec 02, 2025
- 2 minute read
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As a special case for R1 and R9 these radii may be set to xxx yyy rrr (one number, where xxx, yyy and rrr are three-digit integers) creating a notch with the following shape.
Figure 2:4. Control of generalised notch of profile "root".
xxx = 0
creates a VU-notch along the profile web,
yyy = 0
creates a VU-notch along the plate contour,
xxx = yyy = 0
creates an ordinary circular notch (or sniped corner if rrr< 0).
Example:
When xxx = yyy = 100 and rrr = 50 the radius should be given as 100100050.
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For the "shoulder arcs" R4 and R6 the following special cases are supported in case of non-elliptical and non-circular top of the cutout.
An ordinary fillet (default situation):
Figure 2:5. Ordinary corner fillet.
MICKEY_MOUSE
The connection will consist of two arcs forming a "Mickey Mouse ear" with their center in the intersection point between the segments to be connected.
Figure 2:6. "Mickey Mouse" corner.
MM_SHALLOW
Similar to the previous case but the "ear" will be shallow as illustrated in the figure below.
Figure 2:7. Shallow "Mickey Mouse" corner.
For the two "Mickey Mouse" variants C3 (C5) should be set as the distance between the start of the arc and the profile. C3 will be set to C2 if not given.
OWL
The connection will be made using a semicircle (an "owls ear") as illustrated below.
Figure 2:8. "Owl´s ear" corner.
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For the shoulder arcs R4 and R6 in cutouts with an elliptical, see for example, Paragraph 2.3.7 Main Type 6.