1. Transmission Drives
Belt and rope drives: Basics, Characteristics of belt drives, selection of flat belt, Design of Flat
belt, V-belt and rope (steel wire), Design of the pulley for the same
Chain Drives: Basics, Roller chains, polygonal effect, power rating, selection of chain
Gear drives: Standard system of gear tooth and gear module, gear tooth failure, strength of gear
tooth, terminology of spur, helical, bevel, worm and worm wheel, Design of spur, helical,
straight bevel gears, worm and worm wheel
2. Bearings
Slider: Principle of hydrodynamic lubrication, modes of lubrication, Reynolds equation, bearing
performance parameters, slider bearing design
Roller: Types, selection guidelines, static and dynamic load carrying capacity, Stribeck’s
equation, equivalent bearing load, load life relationship, selection of bearing, comparison of
roller and slider bearing
3. Design of Flywheel
Introduction, Energy stored in a flywheel, stresses in a rim, design considerations
4. Springs
Types; end styles of helical compression spring; stress and deflection equation; surge in spring;
nipping of leaf spring; Design of close-coil helical spring and multi leaf spring
5. Clutches
Design of contact clutches i.e. plate, multi-disc, cone and centrifugal clutches.
6. Brakes
Design of band, disc, block with shoe and internal expanding brakes.