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Elbow not follow the pipe schedule and Route Properties :(

Question asked by Soe Lwin Kyaw on Jan 6, 2014
Latest reply on Jan 15, 2014 by Soe Lwin Kyaw

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I am new to Routing, and new to Solidworks in general, but I have been created an extensive routing library for piping, mostly butt-weld fittings. I have run into a strange problem with the routing. (I am using 2013 sp.5)

When I start a Route, Route Properties allows me to choose which schedule pipe and elbow, Everything is OK and same size, but the problem is schedule of the elbow not follow the Route Properties and automatically select to Schedule STD , while the pipe follow the route properties exactly. Then I have to manually edit under Component Properties.

One strange thing is if I use Solidworks default pipe and elbow ... everything is OK. Am I missing something?

I have attached pic and part file for what ever I use

Please help me Please forgive me for my poor english.

Soe Lwin Kyaw Jan 15, 2014 8:14 PM

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Dear Peter De Vlieger

Thanks you so much for your help. What I find out is after I changed under $prp@Specification "Sch STD" to "Sch 00" and "Sch XS" to "Sch 95" everything is find OK . I think may be solidworks only allow values 0 to 9 "Sch XX". I also changed elbow specification.

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Attachments

Route Properties.jpg433.5 KB
Routing File Location and Settings.jpg448.6 KB
Elbow Problem.png529.2 KB
Pipe mm.sldprt.zip115.2 KB
90deg lr mm elbow.sldprt.zip237.1 KB

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Peter De Vlieger Jan 8, 2014 9:00 AM

I took a quick look.

Perhaps it has something to do with your design table of your pipe?

I highlighted 8NB which has seperate specifications, the same nominal diameter, the same outside diameter and only 2 different kinds of wall thickness. In other words your pipe STD and Sch40 has the same inner diameter just as your pipe Sch 80 and Sch XS share the same inner diameter.

Before you change anything, try it with greater diameters. I noticed that for ND300 there are distinct different outside and inside diameters.

This however doesn't explain why the route properties template doesn't avoid putting down the wrong kind of elbow.

The only other comment I have is that thet Rpoint on your elbow is located at the end the elbow instead of the intersection (the corner). This however doesn't make any difference for your problem.

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Soe Lwin Kyaw @ Peter De Vlieger on Jan 15, 2014 8:14 PM

Dear Peter De Vlieger

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Peter De Vlieger Jan 8, 2014 9:00 AM
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I took a quick look.

Perhaps it has something to do with your design table of your pipe?
.
I highlighted 8NB which has seperate specifications, the same nominal diameter, the same outside diameter and only 2 different kinds of wall thickness. In other words your pipe STD and Sch40 has the same inner diameter just as your pipe Sch 80 and Sch XS share the same inner diameter.
Before you change anything, try it with greater diameters. I noticed that for ND300 there are distinct different outside and inside diameters.

This however doesn't explain why the route properties template doesn't avoid putting down the wrong kind of elbow.

The only other comment I have is that thet Rpoint on your elbow is located at the end the elbow instead of the intersection (the corner). This however doesn't make any difference for your problem.
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- Soe Lwin Kyaw @ Peter De Vlieger on Jan 15, 2014 8:14 PM
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  Dear Peter De Vlieger
  
  Thanks you so much for your help. What I find out is after I changed under $prp@Specification "Sch STD" to "Sch 00" and "Sch XS" to "Sch 95" everything is find OK . I think may be solidworks only allow values 0 to 9 "Sch XX". I also changed elbow specification.
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Elbow not follow the pipe schedule and Route Properties :(

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