UNIT - I Sliding contact bearings : Types of Journal bearings - Lubrication - Bearing Modulus - Full and partial bearings - Clearance ratio - Heat dissipation of bearings, bearing materials - journal bearing design. (Chapter - 1) UNIT - II Rolling contact bearings : Ball and roller bearings - Static load - dynamic load - equivalent radial load - design and selection of ball & roller bearings. (Chapter - 2) UNIT - III Engine Parts : Connecting Rod : Thrust in connecting rod - stress due to whipping action on connecting rod ends - Pistons, Forces acting on piston - Construction, Design and proportions of piston. (Chapter - 3) UNIT-IV Mechanical Springs : Stresses and deflections of helical springs - Extension and compression springs - Design of springs for fatigue loading - natural frequency of helical springs - Energy storage capacity - helical torsion springs - Design of co-axial springs, Design of leaf springs. Belts & Pulleys : Transmission of power by Belt and Rope Drives, Transmission efficiencies, Belts - Flat and V types - Ropes - pulleys for belt and rope drives. (Chapters - 4, 5) UNIT-V Gears : Spur gears & Helical gears - Brief introduction involving important concepts - Design of gears using AGMA procedure involving Lewis and Buckingham equations. Check for wear. (Chapter - 6)
