Theory of Machines

2

VELOCITY IN MECHANISMS

Chapter Outline

2.1 Introduction

2.2 Velocity Diagrams

2.3 Determination of Link Velocities

2.3.1 Relative Velocity Method

2.3.2 Relative Velocity of Points in a Kinematic Link

2.3.3 Relative Angular Velocities

2.3.4 Relative Velocity of Points on the Same Link

2.3.5 Forces in a Mechanism

2.3.6 Mechanical Advantage

2.3.7 Four-Bar Mechanism

2.3.8 Slider–Crank Mechanism

2.3.9 Crank and Slotted Lever Mechanism

2.3.10 Drag Mechanism

2.3.11 Whitworth Quick-Return Motion Mechanism

2.3.12 Stone Crusher Mechanism

2.4 Instantaneous Centre Method

2.4.1 Velocity of a Point on a Link

2.4.2 Properties of Instantaneous Centre

2.4.3 Number of Instantaneous Centres

2.4.4 Types of Instantaneous Centres

2.4.5 Location of Instantaneous ...