Helical gearbox

Contents

CONTENTS

1 Initial data

2 Selection of electric motor. Definition of main power-generating units

shaft parameters

2.1 Selection of electric motor

2.2 Definition of basic kinematic and energy

parameters of drive gears

3 Coupling selection

4 Gearbox transmission calculation

4.1 Selection of materials, heat treatment and admissible

tension

4.2 Determination of design torque and inter-axial torque

transmission distances

4.3 Calculation of wheel module and geometrical parameters

4.4 Determination of actual speed in engagement

4.5 Check of wheel teeth for endurance by contact points

to tension

4.6 Check of wheel teeth by bending stresses

4.7 Forces in toothed engagement

List of sources used

Conclusions

The material and heat treatment of the wheel and gear are selected. Allowable stresses for wheel and gear teeth are determined. Geometric transmission parameters are defined. Wheel teeth are checked for bending stresses and contact stresses. Teeth are strong. Forces in engagement are determined.