‘PartBody\Pad.2\FirstLimit\Length’ => ‘Thickness’ (Pad.2 length).‘Geometrical Set.1\Circle.2\Radius’ => ‘Exterior diameter’ (Pad.2).‘Geometrical Set.1\Circle.1\Radius’ => ‘Interior diameter’ (Pocket.1).To do that, click again on formula f(x) and the window that appeared select Filter Type to Length and find the dimensions that you want to associate, in my case: We need to find now Pad size, Interior radius and Exterior radius. Thickness parameter – now you must associate each parameter to one existing dimension. Now I must associate these parameters with washer dimensions. In the previous step I created 3 parameters. Now, click on New Parameter of type button and create 3 new parameters: Thickness, Interior Diameter, and Exterior Diameter.ģ. To be easier, select from Filter Type -> User parameters (to list all Parameters created by me). To do that you must press the Formula command. After that I want to change the interior and exterior diameter manually using Parameters. I use Pad command to extrude first circle and Pocket command to make the interior hole for the washer.Ģ. For my washer I created 2 circles, one with Dext=20 mm and another with Dint=10 mm. You must create a part using simple features without sketches. How to do any washer using parameterizationġ. You can access the formula command also from Part Design Module and also from Generative Shape Design by pressing f(x) icon from Knowledge toolbar. We have a dedicated module for Formula, relations and more, and it is called Knowledge Advisor. In this tutorial I want to show you how to use CATIA to do that, and after that you will be able to create by own any family of parts. For example, for washers, you must know the difference between interior and exterior diameter that is 1/2 or other value and the thickness is 1 mm for all washers that have the exterior diameter smaller than 15 mm or something like this. With this command and with some knowledge about engineering you can create, for example, multiple parts from same family, like screws, washers or nuts. It is simple and very useful when you want to create a single part with possibility to change fast multiple dimension and features. It is my first CATIA Tutorial about parameterization in CATIA V5 using Formula command.
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