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Tutorial - Modeling Unified screw threads on bolt in SolidWorks?

By Sudhir Gill on 24 Feb 15:26 5 answers 12798 views 0 comments

Tutorial on modeling Unified screw thread on bolt in SolidWorks.

5 answers

  • Sudhir Gill
    Sudhir Gill over 2 years ago

    Here is the tutorial.

    1. Step 1

      Start SolidWorks in part mode.

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    2. Step 2

      Top plane>>Sketch.

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    3. Step 3

      Draw a circle of 20mm dia.

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    4. Step 4

      Extrude it by 50mm.

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    5. Step 5

      Top face>>Sketch.

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    6. Step 6

      Draw a polygon inside a circle of 32.5mm dia.

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    7. Step 7

      Extrude it by 10mm.

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    8. Step 8

      Top face>>sketch.

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    9. Step 9

      Draw a circle tangent to sides of polygon.

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    10. Step 10

      Extruded cut.

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    11. Step 11

      Check flip side to cut. Draft enable at 45.00º.

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    12. Step 12

      Chamfer.

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    13. Step 13

      At distance of 3mm & angle 45º.

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    14. Step 14

      Top plane>>sketch.

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    15. Step 15

      Select the outer edge and then convert entities.

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    16. Step 16

      Curves>>Helix and spiral.

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    17. Step 17

      Defined by Pitch and revolution. Pitch=3mm and revolution = 15.

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    18. Step 18

      Right plane>>sketch.

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    19. Step 19

      Draw a profile like this. Since pitch is 3mm so keep the length be little less than pitch since at 3mm it will have intersection error.

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    20. Step 20

      Sweep cut.

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    21. Step 21

      Select the profile and the helix as the path.

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    22. Step 22

      And we have the unified screw threads.

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  • jairo luis
    jairo luis over 2 years ago

    sudhir friend if the thread pitch is 3mm, I know because that curve 1 mm diameter and rather than be a rounding triagulo you applied it. the only thing that I did not understand step 20

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