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Discussion created by Guest on Mar 13, 2006

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For non-symetrical elbows you are best to not have it auto insert, instead have your 3D sketch do a square intersection (no radius) and then insert your 'special' elbow as you would a Tee or reducer. The fitting will then cut the pipe to suit (see the attached extract from my piping library catalogue for a different desription).

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Guest Mar 13, 2006 4:28 AM
There are three pics attached.
*The first shows how the asymetrical elbows were autoinserted into an Route assembly.
*The 2º and 3º, show the elbow which made this possible. I have to deal with 2 lenghts, X1 and X2. If the ratio X1/X2 >= (1.5........2) in gets troubles.
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Guest Mar 13, 2006 4:28 AM
The images attached show an desigual elbows (in both sides) with desigual pipe, working properly.
The parts are also attached, for the community interest.
There are a couple of conditions:

*The route must be started at Cpoint2. Because of matching with the bigger side of the Pipe.
*There's a trick to Locate the Cpoints. They've no planar face. When unsupress the extrude feature, the face where was located is missed. Then, is needed an Skecth to located 2 skecht points which will be used for place the Cpoints (linked) and using both Planar faces of the swept feature, which will be missed after unsupress the extrusions.
Once unsupressed the extrusions is needed relocate the Cpoints through the Skecth-Points, which will be placed at midpoint of both new planar faces.
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Guest Mar 13, 2006 4:28 AM
Why Cpoint2 has no a planar face into its description?

Why don't you set the RPoint in the geometrical intersection of both pipes lines?

Thank you
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Guest Mar 13, 2006 4:28 AM
It is the setting on the CPoints that determines whether it is piping or tubing. Tubing does allow use of elbows for situations where most bends are bent but some tighter radius bends require elbows.

Using tubing in a case where all bends use elbows is less efficient than using piping.

Development Manager - Routed systems.
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Guest Mar 13, 2006 4:28 AM
Offset elbow attached. It's only a small offset but shows the principal.

This will work with the standard piping library parts.

This is created in 2006 sp04. You should be able to open it in any 2006 installation.

Tech support have contacted the dealer so you should hear from them soon.

Development Manager - Routed systems.
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Guest Mar 13, 2006 4:28 AM
--->>>>This type of piping - using straights and elbows should be modelled as pipes, not tubes. Tubing is designed for formed or bent tubes

was i using tubes? I think that parts made with extrusion feature are considerated as pipes, isn't it?

Because Tubes, (parts modelated with swept feature) do not use elbows, do they use ? I haven't checked it.
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Guest Mar 13, 2006 4:28 AM
My Local Reseller is Sqedio in Vigo- Pontevedra - Spain.
Related with the feature names, that shouldn't be the problem, so that as I've writen before, I'm developing other pipes asemblys with the sames names and them wotk properly.
Anyway, thank you for your interest, and if you could send me an healthy parts (Non symetrical) working properly I'd be very gratefull. my e-mail is: marfari37@hotmail.com
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Guest Mar 13, 2006 4:28 AM
Hi,

I'm sure I have seen that image somewhere before. Perhaps it has come though Tech support.

So, to answer your question. Using a non symmetrical fitting as a standard elbow will cause problems. However, I think that if you insert the elbow as a fitting - drag/drop to the end of the pipe, then use add to route to route away from the other end, it will work OK. You'll need a 'vertical' axis in the fitting and add a construction line from the sketch point to orient the elbow in the required direction.

Note! We don't normally recommmend using add to route as it has performance implications but in some cases like this it is the only solution.

If you can send me the elbow model and a pipe part to match, if not using the standard paipes I'll take a look at it and see if we can find a better solution.

Development Manager - Routed systems.
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Guest Mar 13, 2006 4:28 AM
Hi Marcos,

I have passed the data onto tech support who I understand have already contacted you by email. There are a couple of things I can say from my brief investigation.

This type of piping - using straights and elbows should be modelled as pipes, not tubes. Tubing is designed for formed or bent tubes.

The pipe part has additional features at one end making it non symmetrical. This can cause problems and is not supported at all for tubing.

The pipe/tube part does not appear to have the proper named features that are required for piping to configure the pipe parts correctly.

We need to work with your reseller to ensure that you get proper support to propose the best solution to meet your needs so if you can let us have your reseller details ASAP (if you have not already provided them) I would be grateful.

Development Manager - Routed systems.
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Guest Mar 13, 2006 4:28 AM
I'd like to know the problems in my parts, even I had previously made other pipe assembly without any problem, with the parents parts of these problematics.
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Guest Mar 13, 2006 4:28 AM
Hi Marcos,

I've had a look at this data and there are numerous things wrong with it.

Would you mind sending me your email so we can contact you directly to discuss the way forward.

My email is swrouting@solidworks.com

Thanks

Development Manager - Routed systems.
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Guest Mar 13, 2006 4:28 AM
Hello,
Notice that the elbow has 87,5º degrees.
When you say: "add to route to route away" do you mean, insert each part manually?
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Guest Mar 13, 2006 4:28 AM
When I'm using unequal elbows, whose having an extreme longer than the other, the inserted pipes start from the same CP (Conexión Point), instead of living each one from the its own.

The result is the shown in the attached image.

I use SolidWorks 2006 SP3.3

I'd be grateful very much if somebody answers me, so ours dealers don't do it
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