Contact Ratio in Toothed Gearing Formulas

The contact ratio represents the average number of teeth meshing at the same time. And is denoted by CR.

Formulas to find Contact Ratio in Toothed Gearing

fxContact RatioGo

fx Path of Contact Go

fx Circular Pitch Go

What is the Contact Ratio?

The contact ratio represents the average number of teeth meshing at the same time.

Can the Contact Ratio be negative?

{YesorNo}, the Contact Ratio, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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