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Solidworks Tutorial: Solidworks Equation

by Tutorial45

If you just came across the two words Solidworks and equation put together, it might sound a little strange. Let’s use this post to look deeper into how to use equations in Solidworks.

In Solidworks, Equation Creates mathematical relations between model dimensions or other model properties. They use dimension or property names as variables

Let’s take a look at how we can use equation tool in SolidWorks.

solidwork equation illustration

Solidworks equation

Step 1

First Create a New Part

Solidworks equation

Step 2

Click on the Top plane and create a sketch

Solidworks equation

Step 3

Make a Circle with the origin of the circle at the origin of the sketch.

Solidworks Tutorial: Solidworks Equation

Step 4

Now, use Smart Dimension and give 120 mm to the circle but do not click on okay.

Solidworks Tutorial: Solidworks Equation

Step 5

Remove figure and write =”A1”, click on Global Variable and click on okay. You can write

You can write a different name. As you can see, the equation sign appears next to the dimension.

Solidworks Tutorial: Solidworks Equation

Step 6

Now click on Extrude and give 10 mm of thickness to circle.

Solidworks Tutorial: Solidworks Equation

Step 7

Create another circle with the origin of the circle at the origin of the sketch.

Solidworks Tutorial: Solidworks Equation

Step 8

The second circle dimension is one-quarter of first. To do this as an equation write =”A1”/4. As you know we have A1 as a dimension of the first circle. So, after this by changing the dimension of the first circle the second circle dimension will change automatically.

Solidworks Tutorial: Solidworks Equation

Step 9

Use extrude to create a hole.

Solidworks Tutorial: Solidworks Equation

And you have it!

I hope this is well explained enough for you to start using this command. Know that this can be used to include a lot more complex mathematical functions, File properties and much more.

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