how to draw involute in unigraphics nx 8.5 ?

i want this for to draw involute casing.

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2 Answers

To create a involute curve in NX, you need to use the Law Curve function. But before creating the law curve, you need to define the expressions that control the curve.

Answered with a tutorial:

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When creating the expressions, set the number type to "constant". This will prevent a units mismatch in the formulas.

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