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Subtracting Solids/Bodies

Subtracting Solids/Bodies

Subtracting Solids/Bodies

(OP)
Hello, I am using NX7.5 and need a odd surface edging. I have created a sweep that intersects with my main body and want to subract the sweep from the body. However, when I attempt to perform the subract command I recieve the error "Thru face does not intersect path of the tool. What am I doing wrong? I have atached the basic problem.

http://files.engineering.com/getfile.aspx?folder=5ed44c8b-32a7-4ed0-bffd-64d0e6cf8c3f&file=350G_Hood_2.prt



Thanks in advance,
Andrew

RE: Subtracting Solids/Bodies

Your swept is a sheet body that self-intersects (bad geometry). You can verify this by running Examine Geometry from the analysis menu. Secondly, the swept is a sheet body; you can't really subtract a sheet body from a solid.

www.nxjournaling.com

RE: Subtracting Solids/Bodies

You must avoid the self-intersection of the sweep, then either trim the body, or close the sweep to obtain a solid then subtract.

Regards
Frank.

RE: Subtracting Solids/Bodies

Here's one attempt on how this can be done. The Sweep along a guide allows sharp corners in the guide path but not self intersections. Due to technical problems I had to sweep twice. I did not remember the blend radius of the original model. Also top blends made separately to match the shape instead of radius.

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