Sweep Cut Curved surface Will do single but not multiple

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OldOZNoob
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Sweep Cut Curved surface Will do single but not multiple

Unread post by OldOZNoob »

Hello,

Trying to multiple sweep cuts across a face like below. Allows a single cut but the face needs about 90 repeated going left to right on the concave surface.

Error message comes back
image.png
image.png (25.33 KiB) Viewed 1402 times
image.png
But it will do a single?
image.png
Lost as I performed the exact same task on a convex surface yesterday with no issues. Also it will let me enter each cut individually if i put it on a new sketch each time, but im not doing that.

Please help.

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zxys001
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Re: Sweep Cut Curved surface Will do single but not multiple

Unread post by zxys001 »

Hi OldOZNoob, can you share the file?

..
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OldOZNoob
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Re: Sweep Cut Curved surface Will do single but not multiple

Unread post by OldOZNoob »

Hi Zx,

Hope this works !

Never shared a file :)

You can see the first one. Just trying to repeat that across the entire concave.
Attachments
NEW METHOD CONCAVE.SLDPRT
(162.09 KiB) Downloaded 44 times
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AlexB
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Re: Sweep Cut Curved surface Will do single but not multiple

Unread post by AlexB »

I took a look at this just to be sure because I figured this is caused by zero-thickness-geometry.

A sweep-cut is a boolean operation so it subtracts the "solid" you're making with your sweep from the existing solid. I manually performed that operation by creating your sweep as a solid and patterning it across the length. When I use Combine -> Subtract, I get this error.
image.png
My advice is to do one of the following:
1) Get rid of this point in your sweep profile pattern.
image.png
It needs to be a single enclosed profile (in most cases)
image.png
2) Your sweep needs to be made up of many single sweep operations (not really a good practice)
TTevolve
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Re: Sweep Cut Curved surface Will do single but not multiple

Unread post by TTevolve »

Make it a revolve cut and pattern it. I had to add extra reference geometry because you didn't start off the standard planes as the center and nothing was locked down. But it should work better.
image.png
image.png
NEW METHOD CONCAVE.SLDPRT
(780.35 KiB) Downloaded 61 times
I would not use a sweep unless I had to, usually when the profile needs to change path in all 3 directions. Patterns will regenerate faster.
Attachments
image.png
OldOZNoob
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Re: Sweep Cut Curved surface Will do single but not multiple

Unread post by OldOZNoob »

Thank you very much TT Evolve that's a great help.

@Alex B I'll give that a try also.

Thanks for posting Zx, these chaps have sorted it.

Cheers everyone!!

Old Oz
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FTUMCH
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Re: Sweep Cut Curved surface Will do single but not multiple

Unread post by FTUMCH »

Cool handle oldoz
GDay from sunny Perth
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