11 Replies Latest reply on Sep 5, 2018 3:41 PM by Paul Salvador

Trouble with Surface Lofts, need some help.

John Gaertner Sep 4, 2018 6:23 PM

Hello Forum I am using SW 2014. I am trying to create a finished end on a routed shape/profile. I have created a plane on the top surface of the shape and a guide profile but every time I try to create a lofted shape I get a Blue Circle at one corner of the shape? I have created a relation of coincidental but it does not seem to work?

All I want to do is finish the end with a sweep of the cut profile, up to the top surface of the part.

Re: Trouble with Surface Lofts, need some help.

Matt Lombard Sep 4, 2018 6:38 PM (in response to John Gaertner)

Don't use a sweep. Use a boundary surface.
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Re: Trouble with Surface Lofts, need some help.

Paul Salvador Sep 4, 2018 8:27 PM (in response to John Gaertner)
Hello John,.. I can't exactly tell from the image but it can depend on how you want it to flow/blend?... here's a few step process for what I think you're trying to get?...

816z.zip 307.2 KB
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Re: Trouble with Surface Lofts, need some help.

Thomas Voetmann Sep 5, 2018 1:25 AM (in response to John Gaertner)
You could also just make a solid boss an fillet the edges.
The result is slightly different from that of Paul Salvador and it is not instantly parametric, but I think the surfaces are more regular.
The Knit feature is only to extract the outer surfaces for illustration as we really dont know what should be around them.

816z_TVO.SLDPRT.zip 290.3 KB
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Re: Trouble with Surface Lofts, need some help.

John Stoltzfus Sep 5, 2018 6:59 AM (in response to John Gaertner)

Another way is to use the regular Loft and Shell it, or do you just need a surface?
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Re: Trouble with Surface Lofts, need some help.

Rubén Rodolfo Balderrama Sep 5, 2018 7:17 AM (in response to John Gaertner)
Here you got...

LoftRB.SLDPRT.zip 126.8 KB
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Re: Trouble with Surface Lofts, need some help.

John Gaertner Sep 5, 2018 10:37 AM (in response to John Gaertner)
Hello Everyone, Thanks for the answers. Since I am using SW 2014 I was not able to open your file Ruben. But thanks for posting the file. I was able to open Paul's file. I am not familiar with these steps and using the Surface commands. I need to learn how to utilize these tools in SW. (self taught SW user). I will need to look for a tutorial.

I need help in how do you make sure your profiles sketches in plane and elevation match up? Are completely connected. When I try to use the loft function I often get an error "Loft Operation failed to complete" and there is a blue dot at one corner where my lines are supposed to join. When you zoom really fair in, it would seem my line segments do not meet, but I have used a relationship for the point? I have attached my practice file to this post. (I should have done this before.)

John.

Loft-Profiles-1.SLDPRT.zip 66.4 KB
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- Re: Trouble with Surface Lofts, need some help.
  
  John Gaertner Sep 5, 2018 1:39 PM (in response to John Gaertner)
  
  Well, I finally got the loft to work. My issue is with getting my profiles and guide lines all connected. Can anyone help me with a best way to do this?
  Also I did find a good tutorial for others to reference in the future. https://www.solidworkstutorials.net/single-post/Maximize-Your-Loft-Skills-In-SolidWorks
  
  John G.
  
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  - Re: Trouble with Surface Lofts, need some help.
    
    Paul Salvador Sep 5, 2018 1:53 PM (in response to John Gaertner)
    
    John,.. yeah, have to agree, the author, Nishant, does some good videos!
    
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- Re: Trouble with Surface Lofts, need some help.
  
  Paul Salvador Sep 5, 2018 11:12 AM (in response to John Gaertner)
  
  John,.. your sketches are fine, I did not have a problem with Loft or Boundary.. here are both Loft/Boundary.. and another Boundary2... probably a good way to do this for a simple U cutter path...
  
  Loft-Profiles-1z.zip 423.5 KB
  
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  - Re: Trouble with Surface Lofts, need some help.
    
    John Gaertner Sep 5, 2018 2:03 PM (in response to Paul Salvador)
    
    WOW! I had no idea about the Boundary tool. It is NOT on my tool Surfaces bar for some reason? I just dragged and dropped it from the View Toolbars Customize after looking at your help file and checking SW Help menu. I appreciate everyone's help and suggestions. I think I have learned a powerful tool.
    
    John G.
    
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    - Re: Trouble with Surface Lofts, need some help.
      
      Paul Salvador Sep 5, 2018 3:41 PM (in response to John Gaertner)
      
      Kewl!... glad it helps!
      ..btw,.. I went back to Nishants' site and did one of his models (twisty ball),.. very fun!! (using 2014)
      
      How to make 'Complex Twisty Ball Geometry' in Solidworks 2016 - YouTube
      
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