6 Replies Latest reply on May 4, 2016 8:08 AM by Arnaud Henry Lefort

Weld heat transfert analysis

Arnaud Henry Lefort May 2, 2016 9:15 AM

Hello gents,

I need your help for an analysis. In fact, I would like check if during weld it is possible to keep bearing temperature under 100°c but I have some difficult. Please find below my assembly. The part in grey is the centre of my bearing. I would like weld all my yellow parts. Axle size is 45mm OD and sheet metal thickness is 30mm.

I can't create weld because i have this message "edge weld connector should belong to faces or surface bodies or sheet metal bodies". Can you help me ?

Re: Weld heat transfert analysis

Seckin Uslu May 3, 2016 2:53 AM (in response to Arnaud Henry Lefort)

All your parts are solidbodies. If you dont want to know "how much stress the on weld" , use combine features for welding parts.

İf not , you have to create some surface elements for welding features
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- Re: Weld heat transfert analysis
  
  Arnaud Henry Lefort May 3, 2016 7:59 AM (in response to Seckin Uslu)
  
  Sorry but what do you mine be "ombine features for welding parts" ?
  
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  - Re: Weld heat transfert analysis
    
    Seckin Uslu May 3, 2016 8:06 AM (in response to Arnaud Henry Lefort)
    
    İf you are not interested in the strees on the weld , you can combine these parts or try to use contact definition as bonded.
    
    Welding means connect these parts. Combining these parts will be the same.
    
    İf you are interested in the stress on the weld , dont do it .
    
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Re: Weld heat transfert analysis

Alessandro Tornincasa May 3, 2016 8:08 AM (in response to Arnaud Henry Lefort)

Arnaud,
you might want to read this interesting post :
Estimate Weld Distortion Using SOLIDWORKS Simulation
It looks like a case that is similar to yours.

Alex
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Re: Weld heat transfert analysis

Arnaud Henry Lefort May 3, 2016 3:08 PM (in response to Arnaud Henry Lefort)

Thank you for your help.

I have someting better now. But I can't understand why I have a negative temperature (-269°C)

Below some screen shot. Any idea about the wrong temperature ?
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- Re: Weld heat transfert analysis
  
  Arnaud Henry Lefort May 4, 2016 8:08 AM (in response to Arnaud Henry Lefort)
  
  It is okay now.
  It is just because a choosen face and not bodies for initial temperature.
  
  Thank you for your help
  
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