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Round cover
fma
Posts: 87 ✭✭
Hi!
A friend is trying to make a round cover to a part. We made something not too bad with a loft, but it was painfull, and the result is not perfect:
https://cad.onshape.com/documents/c59229da58fd8739ac0370f8/v/3f1a24f99dfa248f8d3cb801/e/3401ba69fb0a857f5dfa1b37
Is there a better/easier way to do it?
Thanks,
A friend is trying to make a round cover to a part. We made something not too bad with a loft, but it was painfull, and the result is not perfect:
https://cad.onshape.com/documents/c59229da58fd8739ac0370f8/v/3f1a24f99dfa248f8d3cb801/e/3401ba69fb0a857f5dfa1b37
Is there a better/easier way to do it?
Thanks,
0
Best Answers
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I think you need Fill command
5 -
when using Fill you should make sure that fill contour pierce the ends of the guide curves and if you have a pair of intersecting giudes you should make sure that they intesect each other in the space.
https://cad.onshape.com/documents/41b98f535bfcb53606253219/w/c44d6e45cc03a2f13a534069/e/0d7c383fd13a90fd74c90097
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@fma
@konstantin_shiriazdanov
I think it is bad usage.
Add can only be used to add to another surface.
I have a solution where I deleted the other face beforehand here, resulting in a shorter feature list.
I used 'add' when I filled the surface, making it merge with all. The feature then makes a part.
6
Answers
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I think you need Fill command
5 -
Thanks! I'll give it a try...0
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Ok, it works much better:
https://cad.onshape.com/documents/c59229da58fd8739ac0370f8/v/f9ec95b196ba03b267dc893d/e/e3ccf56619725ea20975b4d7
But I get a surface, and have to use the Enclose feature. But Enclose is tricky, and often don't want to work, depending on the spline defining the flat surface (if I move a point, it fails). So:
- how to get a part from Fill?
- how to get Enclose work fine?0 -
and as you can see, the Enclose does not match well the spline...0 -
when using Fill you should make sure that fill contour pierce the ends of the guide curves and if you have a pair of intersecting giudes you should make sure that they intesect each other in the space.
https://cad.onshape.com/documents/41b98f535bfcb53606253219/w/c44d6e45cc03a2f13a534069/e/0d7c383fd13a90fd74c90097
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Ok, I understand. But even on your design, there is a little mismatch at the top. And the Fill does not generate a part (boolean fails); why?0
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boolean doesn't fail in my example, fill exactly matches contour curves and boundary conditions i specified, if you need something other you may vary the shape and number of guides or continuity
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I mean Fill fails if you use Add: it says 'Surfaces do not share an edge and cannot be added.' I tried with a clean example, and I always get this error...0
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i would report a bug about this, it fails for me too
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Is it really a bug, or a bad usage from us?0
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@fma
@konstantin_shiriazdanov
I think it is bad usage.
Add can only be used to add to another surface.
I have a solution where I deleted the other face beforehand here, resulting in a shorter feature list.
I used 'add' when I filled the surface, making it merge with all. The feature then makes a part.
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I see! Thanks!0
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@fma
Just make sure, when you delete the face, don't tick delete fillet faces because the fill feature fails if you do.
EDIT: With the Delete Face feature, I selected "leave open" in the drop-down list
EDIT 2: I also updated the example document above for both tabs (click on the text "here,")0 -
Yes, I experimented these two warnings ;o)0
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