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Creating a hole on the top face of a sweep
tseemann
Member Posts: 4 ✭
I'm new to 3D design, an onshape therefore as well. I have a design I'm trying to make: https://cad.onshape.com/documents/4f3068fc37cd404e496b5d65/w/bb2460c448ccdfc772293d47/e/0a043b966426950f70e23de1Error
If you look at the bottom, there are two drilled holes extending into the part, based on two vertexes of a line ensuring the proper center-point distance between the holes. I am trying to make the same holes on the top plane of the sweep. I can't though, because there are no points that have swept up to that top face/plane. It appears that the sweep function can only sweet "faces and sketch regions" rather than an entire sketch, lines and points included.
Is there a way to sweep a point along the already defined sweep path so that I can place a point and thus a hole on the top face?
Answers
The default sweep feature only allows part or surface creation. If you wanted to sweep the same point locations to the new stretched face at the end of the sweep, you could do this by creating a separate surface sweep, then using the surface as a reference for your holes:
That said, usually when people sweep, they don't want the profile to change shapes, so to maintain the profile, you would need your path to start perpendicular / normal to the sketch profile. The way you have swept your profile makes it so that the bottom profile is a different shape from your top profile. If you want the profile to stay the same, then
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That is unfortunately exactly what I am trying to do. This item sits under another item I am rotating, with the axis of rotation way out in front of that second item. That is why I put the center of the rotational axis where I did, and not perpendicular to the top plane.
I have actually tried doing the surface sweep and it doesn't appear to solve the problem. When I do that, I can select the points at the corners of the sweep, but when I try to do so as the start position of the holes, I can't anymore. Same for an extremely thin "Thin" sweep.
I'm not sure what you mean by a different shape though. The extruded/swept face is the same on the top and bottom, it's just angled away from the plane so it looks weird. If you do a full circle sweep, it comes right back around to the beginning in the same shape.