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Tutorial: How to model helix as sheet metal part?

Tutorial by Tomasz Nicinski
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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.

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