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how to sketch a involute curve for centrifugal pump

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how to sketch a involute curve for centrifugal pump

Hello everyone,

I am trying to sketch an involute curve for centrifugal pump casing. Can you please guide me how to sketch an involute in sketch mode.

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Re: how to sketch a involute curve for centrifugal pump

I don't believe you can accurately sketch an involute curve; however, you can define it exactly using an equation-driven curve.

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Re: how to sketch a involute curve for centrifugal pump

The best way to get an involute curve into a sketch is to project it from an external-to-the-sketch feature.

The reference can come from an equation driven edge or curve such as the result of a variable sweep or maybe a equation driven datum curve.

There is a similar problem with making graphs.  Using algebraic functions have to come from external sources, not always parametric either.  Graphs are great for making variable sweep sections using the evalgraph() function.

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Re: how to sketch a involute curve for centrifugal pump

The attached file provides some ideas using equation curves for involutes.

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