15

GEAR TRAINS

Chapter Outline

15.1 INTRODUCTION

A gear train is composed of two or more gears in mesh for the purpose of transmitting motion from one shaft to another. A gear train enables to have larger centre distance between the driving and driven shafts, provides control on the direction of rotation of the driven gear, and facilitates increased transmission ratio with gears of smaller sizes in a lesser space.

15.2 TYPES OF GEAR TRAINS

There are four types of gear trains:

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