Theory of Machines

6

BELTS, CHAINS AND ROPES

Chapter Outline

6.1 Introduction

6.2 Flat Belt Drive

6.2.1 Angular Velocity Ratio

6.2.2 Effect of Slip

6.2.3 Law of Belting

6.2.4 Length of Open Belt

6.2.5 Length of Cross Belt

6.2.6 Angle of Arc of Contact

6.2.7 Ratio of Belt Tensions

6.2.8 Power Transmitted

6.2.9 Centrifugal Tension

6.2.10 Condition for Maximum Power Transmission

6.2.11 Initial Belt Tension

6.2.12 Effect of Initial Tension on Power Transmission

6.2.13 Belt Creep

6.2.14 Crowning of Pulleys

6.2.15 Cone Pulleys

6.2.16 Compound Belt Drive

6.3 V-Belt Drive

6.3.1 Ratio of Belt Tensions

6.4 Chain Drive

6.4.1 Chain Pitch

6.4.2 Chain Length

6.5 Rope Drive

6.5.1 Ratio of Tensions

6.1 INTRODUCTION

Belts, chains and ropes are used for power transmission. Belts ...