EngineeringAmp

Gearbox reduction ratio

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Reduction ratio of 3 stage gearbox

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Result

Three stage gearbox ratio

$$ i_{gb3} = {i_{gr1} . i_{gr2} . i_{gr3}} $$

Preceding calculations (1)

Gear reduction ratio

Managed by: Admin

Number of teeth of first gear $$ z_1 = 21 \: $$ Number of teeth of second gear $$ z_2 = 45 \: $$

First stage ratio

$$ i_{gr1} = {z_2 \over z_1} $$

Calculation details Show in calculation

This calculation is for 3 stage gearbox:

i_{gr1} - first stage reduction
i_{gr2} - second stage reduction
i_{gr3} - third stage reduction

Discipline: mechanical

Managed by: Admin

Calculation