Philip Jukl
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Online Calculator: Inverse Involute

Involute angle to Pressure Angle

Please note that our Online Calculators are offered as assisting tools and can not replace human consultation. We take no liability for the mathematical correctness of these Online Calculators.

Inverse Involute

For many calculations – e.g. to determine the dimension over two balls from the tooth thickness – it is necessary to transform involute alpha to the pressure angle. The required function is non-reversible, the pressure angle can only be calculated approximately by iteration. That is what this tool does.

Type in the value for the involute angle (in radians) and the corresponding pressure angle will be calculated.

Form fields marked with * are obligatory.