Need for power transmission – type and classifications of transmission systems – applications -Limitations -Design of V belts and pulleys ൓ Design of flat belts and pulleys ൓ Design of transmission chains and sprockets. Case study on belt drives

Gear Terminology – Speed ratios and number of teeth – Force analysis – Tooth stresses ൓ Dynamic effects – Basics of gear design – Gear tooth failure modes. Design of Helical Gears – Pressure angle in the normal and transverse plane – Equivalent number of teeth – Forces and stresses.

Straight bevel gear terminologies, tooth forces and stresses, equivalent number of teeth. Estimating the dimensions of pair of straight bevel gears. Worm Gear: Merits and demerits terminology. materials-forces and stresses, efficiency. Case study on redesign of worm gear pair for a wind turbine gearbox

Design of Multi speed gear box for machine t**l – Structural diagram, ray diagram, speed diagram, No. of teeth calculation, Meshing arrangement. Case study- Failure of a Transmission Gearbox.

Design of Clutches: Plate clutches൓Axial clutches Internal expanding rim clutches. Brakes: Design of internal and external shoe brakes.