Tutorial: How to model helix as sheet metal part?

Tomasz Nicinski

19 Feb, 2012 08:30 PM

Tutorial:

1. Step 1:

   Create sketch of circle (in tutorial 400mm). this is outside diameter of our helix
   

   

2. Step 2:

   Create sketch of circle (in tutorial 115mm). this is inside diameter of our helix
   

   

3. Step 3:

   Create a Helix on outside diameter:
   Insert / Curve / (Helix/Spiral)
   Insert values for pitch (in tutorial 300mm), Revolution = 1 and chose you want clockwise or counterclockwise.
   

   

4. Step 4:

   Same operation repeat for inner diameter.
   Remember to use same values as per outside diameter
   

   

5. Step 5:

   You have two curves representing inside and outside of the helix.
   

   

6. Step 6:

   Create 3d Sketch.
   Highlight Outside curve and convert for line:
   Tools / Sketch Tools / Convert Entities
   Close 3d Sketch
   

   

7. Step 7:

   Create second 3d Sketch.
   Highlight Inside curve and convert for line:
   Tools / Sketch Tools / Convert Entities
   Close 3d Sketch
   

   

8. Step 8:

   Create Lofted Feature from two created sketches:
   Insert / Sheet Metal / Lofted Bends
   Set thickness of the helix and click OK
   

   

9. Step 9:

   You have created Helix as sheet metal part
   

   

10. Step 10:

    Right Click on Flat-Pattern1 and unsuppress.