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. Casestudy-Reliability and Lifetime Distribution Analysis of Belt Drive Systems considering Time-Dependent Stiffness of Belts

Gear Terminology - Speed ratios and number of teeth - Force analysis - Tooth stresses - Dynamiceffects - 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, estimating the size of the worm gear pair

Design of Multi speed gear box for machine tool - Structural diagram, ray diagram, speed diagram, No. of teeth calculation, Meshing arrangement.Casestudy- Failure of a Transmission Gearbox. Field Project related to gear manufacturing companies.

Design of Clutches: Plate clutches–Axial clutches Internal expanding rim clutches. Brakes: Design of internal and external shoe brakes, Disc brakes (self-study).