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Re: Surface to Solid Feature?
Dwight Livingston Apr 17, 2012 11:22 AM (in response to robert dattilo)-
Re: Surface to Solid Feature?
Dwight Livingston Apr 17, 2012 11:25 AM (in response to Dwight Livingston)Or, should you somehow create a closed and knit surface body, you can use a Delete Face with a Delete and Fill to create the soild body.
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Re: Surface to Solid Feature?
Ahmet Ozgur Ergin Apr 5, 2017 7:50 AM (in response to Dwight Livingston)Thanks for the tip.
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Re: Surface to Solid Feature?
Shawn Stugard Mar 27, 2018 2:17 PM (in response to Dwight Livingston)I forgot all about this method, thanks!
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Re: Surface to Solid Feature?
robert dattilo Apr 19, 2012 11:32 AM (in response to Dwight Livingston)Hello Dwight;
Yeah, that worked great. Since I was attaching a feature to like a cylindrical feature, I did have to fill the cylinder side of the new surface group. That enabled the form solid option, to work. It then listed it under the solid bodies.
Thanks for the tip;
Rob_D SW 2012 sp1
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Re: Surface to Solid Feature?
Chris Kamery Apr 19, 2012 11:46 AM (in response to robert dattilo)Robert,
Another method is that once all of the surfaces have been made and knitted together, the Thicken Tool can be also used.
I got tripped up once on a certification exam that asked how to make a solid from a surface and I got it wrong because I didnt say Thicken. As you can see there is more than one solution as well.
Chris
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Re: Surface to Solid Feature?
Dwight Livingston Apr 19, 2012 1:26 PM (in response to Chris Kamery)Chris
Didn't know about that. Thanks. That is certainly better than using a Delete Face.
When _is_ one likely to get a closed and knitted surface body, when what you want is a solid body?
Dwight
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Re: Surface to Solid Feature?
Chris Kamery Apr 20, 2012 8:12 AM (in response to Dwight Livingston)Dwight,
I cannot say I have run into the situation often. Maybe once or twice on an imported part. Generally I try to form a solid using the knit command. If it will knit but not form a solid, chances are Thicken would fail as well. Matt or Charles may have some examples of which they had a single surface body enclosing a volume and would then just need to be converted to a solid.
Chris
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Re: Surface to Solid Feature?
Dwight Livingston Apr 20, 2012 9:17 AM (in response to Chris Kamery)Chris Kamery wrote:
. . . Matt or Charles may have some examples of which they had a single surface body enclosing a volume and would then just need to be converted to a solid. . .Yeah, I'm curious. SW did put some work into that Thicken option, which only comes up if you select a closed surface body.
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Re: Surface to Solid Feature?
Jerry Steiger Apr 30, 2012 8:39 PM (in response to Dwight Livingston)Dwight,
I have had Knit fail to make a solid body several times. I've had Thicken work after Knit failed on a couple of them. I have no idea why. I just count my blessings and try not to look a gift horse in the mouth!
Jerry Steiger
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Re: Surface to Solid Feature?
Dwight Livingston Apr 30, 2012 10:05 PM (in response to Jerry Steiger)Jerry
Good to know that. We all need a card up the sleeve at times.
Thanks
Dwight
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Re: Surface to Solid Feature?
Jason Swackhamer May 1, 2012 9:05 AM (in response to Jerry Steiger)Jerry-
Hope I'm not going off on too much of a tangent, but this is something I find increasingly annoying with solidworks--one method works and another doesn't. This has always been a problem, but as the methods for creating solids proliferate, so do the workarounds. I ran into this recently when using the mold tools. The tooling split wouldn't work, but extruding a solid up to a knitted surface of the core and parting line did. This was a few days ago, but I think the error message was something like "Unable to knit surfaces into a solid".
Now here's the interesting thing, after trying a gazillion different "fixes" for the tooling split problem, I ran a check part and discovered there was a general fault error in the model which only showed up with the "stringent solid/surface check" checkbox checked. Once I fixed that, the part split fine.
So it seems that the tooling split function uses more thorough error checking than boss extrude (which kind of makes sense, I guess), but instead of giving me a "what's wrong" message that pertains to the actual error it found, it gives me a useless boiler plate message. I mean how difficult would it be to say something like "Unable to complete operation due to a general fault in the model"?
Anyway, reading through this thread put me in mind of this growing source of frustration...
-Jason S.
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Re: Surface to Solid Feature?
Jerry Steiger May 8, 2012 10:19 PM (in response to Jason Swackhamer)Jason,
I have also seen cases where a part that fails a check will not allow a feature, where the same part after fixing the "original" geometry problem will allow a feature. I too have seen any number of seemingly meaningless error messages and get very frustrated with them. I do cut the guys writing the code a little slack, though, because it must be really hard to come up with messages covering all of the many possible problems that make sense to users who don't know anything about the way the code actually works.Still, it seems like sometimes they are just pulling them out of fortune cookies!
Jerry Steiger
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Re: Surface to Solid Feature?
Jeff Root Feb 3, 2016 3:15 AM (in response to Dwight Livingston)Dwight,
Thanks for the tip on Delete Face using the Delete and Fill option to create a solid body, I just used this and it worked well.
You asked when it is likely to be working from a closed and knitted surface body, when you want a solid body. I just encountered this, so I'll tell you my case:
Im creating a new part in an assembly that has in-context surface relationships with a pre-existing part within the assembly. The first feature within the new part started with a Surface-Offset (value of 0.000) command that referenced certain surfaces from the parent part. These offset surfaces formed a closed, knitted complete surface, with no option at that point to make a solid body. From there I used your trick of choosing one face to Delete and Fill to create the solid.
Thanks!
Jeff
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Re: Surface to Solid Feature?
Chris Pratt Apr 11, 2018 1:23 PM (in response to robert dattilo)For those lost souls on google, SolidWorks 2013 and later also has "Insert -> Features -> Intersect" for turning surfaces into a solid.
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Re: Surface to Solid Feature?
Shawn Stugard Oct 2, 2018 2:28 PM (in response to Chris Pratt)Love this feature, big time saver when knit and/or combine are not doing the trick.
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