CHAPTER 22
Friction Clutches
Chapter Objectives
Identify the type of clutch that can be used for the given application.
Determine the dimensions of clutch facing, depending upon the axial force required.
Determine the frictional torque requirement on the basis of coefficient of friction.
22-1 INTRODUCTION
Friction clutches are the most common types of clutches used in engineering applications. Two or more rotating surfaces are pressed together with a normal force to create a friction torque. These friction surfaces may be: (1) flat and perpendicular to the axis of rotation, as in disc clutch, (2) cylindrical with the normal force in radial direction as in drum clutch or brake, and (3) conical-cone clutches.
Often, a cone clutch tends ...
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