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Home » autodesk inventor » Inventor modeling tutorials » How to design sphere spring in Autodesk inventor?

How to design sphere spring in Autodesk inventor?

July 17, 2020 by mechanicaleng blog Leave a Comment

In this tutorial, I will guide how to design sphere spring in Autodesk inventor. To design it we will use helical curve, sweep and revolve command.
autodesk inventor how to design sphere spring

1st: use 3D sketch to create helical curve. Select pitch and revolution in the definition list. You can set the diameter, pitch as you want. For this tutorial, I will set: Diameter is 30mm, pitch is 10mm, revolutions are 25 ul. In the helix ends tab, select flat option at stat and end. Set 90 degree at transition angle and flat angle.
sphere spring create helical curve

2nd: Create a sketch in XY plane and draw a line. The length of line is 100mm
sphere spring create line for sweeping

3rd: Sweep the line on the helical curve by sweep command.
sphere spring sweeping
4th: Use XY plane, draw a sketch as below.
sphere spring sketch for revolve
5th: Use revolve command to create a sphere.
sphere spring revolution
6th: Use 3D sketch, create the intersection of sphere and sweep surface 1.
Hide sweep and revolve we have the sphere curve.
create phere curve
7th: Create a plane that normal with sphere curve at end point. And create a sketch, draw a circle with diameter 5mm.
create diameter of spring
Use sweep command to sweep the circle around the sphere curve.
sweep circle around sphere curve
Click OK to create new sphere spring.

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