SolidWorks 2010 Bible

Chapter 9: Using Equations

Using Link Values

Link values are simply a way to link several dimensions together, making them equal. A link value

is not exactly like an equation that sets the dimensions equal, because it does not depend on order

like an equation does. All dimensions are set to the same value simultaneously.

Link values are available by right-clicking on a dimension. You can also get to link values by

clicking the down arrow on the right side of the Modify dialog box. Unfortunately, they are not

available from the RMB menu when the dimension tool is active. To apply a link value to a new

dimension, you must place the dimension, exit the dimension tool, right-click the dimension, and

select Link Value.

Link values are listed under the Equations folder in the FeatureManager. Figure 9.10 shows the

link values in a listed part, and the drop-down list from which you can select them or type them.

Notice again that the Link Values feature also operates from a dialog box instead of the

PropertyManager.

FIGURE 9.10

Link values listed in the FeatureManager, and the Shared Values interface

Note
Another way to access link values is through the Modify dialog box. If you click the down arrow at the right
end of the dimension value box, you can select between Link Values and Equations. In fact, if you press the
Down Arrow key on the keyboard, the Equation interface becomes available. There is no similar trick to get
Link Values to appear. n

You must type in the first link value that is assigned in a part. After you add the first one, you can

link other dimensions to this link value by using the drop-down arrow shown in Figure 9.10. You

cannot edit link values, meaning you cannot change a dimension from linking to a value called

“height” to a value called “length.” In order to change the value to which a dimension is linked,

you must first unlink the value and then relink it. The Unlink function is available from the RMB

menu in the same way that you assign link values. Dimensions that have a link value have the

small chain symbol displayed to the left of the dimension.