[BEGINNER] How to create a 45 degree sweep on a windmill fan (curved)

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  owen_sparks Member, Developers Posts: 2,660 PRO

  September 2019 edited September 2019

  Hi and welcome.
  

  Sorry, that's a bit of a vague question.  Can you do us a back of napkin sketch to give us more to go on?  When you say "sweep" do you mean a twist to the blade?  "Sweep" is a "feature" in Onshape that could be used here so the word may be confusing things...

  Cheers, Owen S.
  

  Business Systems and Configuration Controller
  HWM-Water Ltd
  

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  steve_shubin Member Posts: 1,066 ✭✭✭✭

  September 2019 edited September 2019

  @tobey_luke
  
  Like Owen says — we could do with a bit more description 
  
  But if you’re looking for something like a fan blade then take a look at the link below. And be sure to rotate around the part. Realize that this is just a basic fan blade
  
  Step through the features list to see how it was done
  
  
  https://cad.onshape.com/documents/4946195b2ebfe68ab5b8046e/w/f3d9c3b64ddd13895b9f953a/e/88a08f99fd7a3b754272fc4c
  
  
  

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  robert_scott_jr_ Member Posts: 317 ✭✭✭

  September 2019

  To attain the twist that I think is what you are after, I use a feature script called tangent plane to create a plane on the surface of the cylinder. I then made a new sketch of  a small rectangle. I the created another offset plane from the tangent plane and made a longer rectangle. I used TRANSFORM to rotate the longer rectangle 45 degrees. I used the loft tool to create the blade. I used MOVE FACE to ensure that the start of the blade fully intersected the hub. On the right plane I made a new sketch to create an axis to use in the circular pattern tool. - Scotty

  
  

  https://cad.onshape.com/documents/48bbd728bec8f1b66110b105/w/0b34b3ad6f6a75c85c0d6ee6/e/f143dbe2df755008df5f7ddd
  

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  dick_van_der_vaart Member Posts: 51 PRO

  September 2019

  @tobey_luke
  Here is a simple one.
  
  https://cad.onshape.com/documents/7b8b46626ad9c03de8385edf/w/9b5a007c7ac5def497c06503/e/1d4a7f9beaac55a5bc781e1e
  
  

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  bruce_williams Member, Developers Posts: 842 PRO

  September 2019 edited September 2019

  @tobey_luke
  
  Welcome to Onshape and the friendliest forum in the universe!
  
  A couple of methods have been posted and you should be able to learn a lot going through them.  Not to confuse - I modified your approach and made a possible blade.  Note it is good practice to keep your sketches simple and then use the various part or feature pattern tools.  That not only makes for quicker documents it is easier once you have the knack.
  
  https://cad.onshape.com/documents/4d3d1920bfe80dfaeb8bfd87/w/50e08dde6b03e0ee72a50e9c/e/8aeab9175e4f67ce55c67898
  

  www.accuratepattern.com

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