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How to Create an Archimedes Screw Using Siemens NX 12

The Archimedes screw is known to be the earliest pump in history and it is still used for water transfer by modern pumps today. Using the Siemens NX 12, you can design your own Archimedes screw on the computer, following this wikiHow. This...
Part 1 of 4:

Starting the Sketch

  1. How to Create an Archimedes Screw Using Siemens NX 12 Picture 1How to Create an Archimedes Screw Using Siemens NX 12 Picture 1
    Create a new file. Single click on the New icon. It is in the standard toolbar area.
  2. How to Create an Archimedes Screw Using Siemens NX 12 Picture 2How to Create an Archimedes Screw Using Siemens NX 12 Picture 2
    Set up the units. Select the Millimeters units and select Model in the template list.
  3. How to Create an Archimedes Screw Using Siemens NX 12 Picture 3How to Create an Archimedes Screw Using Siemens NX 12 Picture 3
    Save the file. Type ArchimedesScrew.prt in the new file name section and press OK. This is just an example; you can name it in a different way.
  4. How to Create an Archimedes Screw Using Siemens NX 12 Picture 4How to Create an Archimedes Screw Using Siemens NX 12 Picture 4
    Click on Sketch and left click OK to accept the default setting of the sketch plane.
Part 2 of 4:

Creating a Cylindrical Shaft

  1. How to Create an Archimedes Screw Using Siemens NX 12 Picture 5How to Create an Archimedes Screw Using Siemens NX 12 Picture 5
    Select the circle tool from the toolbar, click the point in blue and select the Existing Point-Sketch Origin as the center of the circle.
  2. How to Create an Archimedes Screw Using Siemens NX 12 Picture 6How to Create an Archimedes Screw Using Siemens NX 12 Picture 6
    Press ← Backspace, type 25 in the on-screen input box and press ↵ Enter. Click on Finish Sketch.
  3. How to Create an Archimedes Screw Using Siemens NX 12 Picture 7How to Create an Archimedes Screw Using Siemens NX 12 Picture 7
    Click Extrude, move the cursor to the circle. As you move the cursor over the circle, its color changes to orange. Set Start Limit Value to 0 mm and End Limit Value to 150 mm in the Extrude dialog box. Left click OK to create the Extrude feature.
Part 3 of 4:

Drawing a Helix Around the Shaft

  1. How to Create an Archimedes Screw Using Siemens NX 12 Picture 8How to Create an Archimedes Screw Using Siemens NX 12 Picture 8
    Move from the Home tab to the Curve tab and select the Helix command.
  2. How to Create an Archimedes Screw Using Siemens NX 12 Picture 9How to Create an Archimedes Screw Using Siemens NX 12 Picture 9
    Change the value of Size, Pitch, and Length to 50mm, 20mm, and 150mm. Left click OK to apply the settings.
Part 4 of 4:

Creating a Profile of the Screw

  1. How to Create an Archimedes Screw Using Siemens NX 12 Picture 10How to Create an Archimedes Screw Using Siemens NX 12 Picture 10
    Click on Sketch, select XZ plane of Datum Coordinate and left click OK.
  2. How to Create an Archimedes Screw Using Siemens NX 12 Picture 11How to Create an Archimedes Screw Using Siemens NX 12 Picture 11
    Select the Arc tool under the Curve tab.
  3. How to Create an Archimedes Screw Using Siemens NX 12 Picture 12How to Create an Archimedes Screw Using Siemens NX 12 Picture 12
    Select Start Point-Spline of Helix. Start the arc from the endpoint of the helix spline.
  4. How to Create an Archimedes Screw Using Siemens NX 12 Picture 13How to Create an Archimedes Screw Using Siemens NX 12 Picture 13
    Select Point On Curve-Arc3. Connect the arc from the endpoint of helix spline to the point on curve.
  5. How to Create an Archimedes Screw Using Siemens NX 12 Picture 14How to Create an Archimedes Screw Using Siemens NX 12 Picture 14
    Enter 8.2 in the on-screen input box, press ↵ Enter, and press with the left-mouse-button. Left click Finish Sketch after you complete all steps in this part.
  6. How to Create an Archimedes Screw Using Siemens NX 12 Picture 15How to Create an Archimedes Screw Using Siemens NX 12 Picture 15
    Click on the Swept icon under the Surface tool.
  7. How to Create an Archimedes Screw Using Siemens NX 12 Picture 16How to Create an Archimedes Screw Using Siemens NX 12 Picture 16
    Specify a section string. Select the arc you created (SKETCH_001:Sketch(4)). Double-click to reverse the direction (optional).
  8. How to Create an Archimedes Screw Using Siemens NX 12 Picture 17How to Create an Archimedes Screw Using Siemens NX 12 Picture 17
    Specify a guide string. Select Helix.
  9. How to Create an Archimedes Screw Using Siemens NX 12 Picture 18How to Create an Archimedes Screw Using Siemens NX 12 Picture 18
    Choose an orientation method. Select Face Normals in the drop-down menu.
  10. How to Create an Archimedes Screw Using Siemens NX 12 Picture 19How to Create an Archimedes Screw Using Siemens NX 12 Picture 19
    Select Cylinder as the face. Left click OK to finish this command.
  11. Click on Surface, click More and select Thicken in the drop-down menu. The thicken dialog box will appear as shown in the screenshot in step 12. The difference between two offset parameters is the overall thickness of the resultant body.
  12. How to Create an Archimedes Screw Using Siemens NX 12 Picture 20How to Create an Archimedes Screw Using Siemens NX 12 Picture 20
    Select the face in red and left click OK.
  13. How to Create an Archimedes Screw Using Siemens NX 12 Picture 21How to Create an Archimedes Screw Using Siemens NX 12 Picture 21
    Review your final model.
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