MACHINE DESIGN

Here we are provided this recorded video course which is cover following topics suggested by university syllabus.

GUJARAT TECHNOLOGICAL UNIVERSITY

MECHANICAL ENGINEERING

B.E. 7TH Semester

Subject Code: 2171909

MACHINE DESIGN

1. Gear Design: Recitation: Classification of gears, Selection of type of gears, Law of Gearing, Gear terminology, Standard system of gears tooth, force analysis, Interference and undercutting, number of teeth, gear tooth failures, selection of material. Spur and Helical Gears: Stress in gear tooth, Lewis’s formula, AGMA bending stress equation and AGMA pitting resistance formula, Gear quality and selection aspects. Bevel and Worm gear: Specification and design of bevel and worm gears. 
2. Design of Gear Box for Machine Tools: Comparison and Choice of progression (Arithmetic, Geometric, Harmonic and Logarithmic), general design procedure, determination and fixation of spindle speeds, selection of the best structure diagram, selection of gear layout and ray diagram, determination of number of teeth on gears.
3. Journal Bearings: Classification of bearings. Journal bearing Types, Lubrication: type of lubrication, Lubricants, Effect of pressure and temperature on viscosity, Stable lubrication, thin and thick film lubrication. Hydrostatic Bearing: Viscous flow through rectangular slot, step bearing, energy losses. Hydrodynamic Bearing: Lubrication theory (Petroff’s Equation, Reynold’s Equation), Design of bearing with Raimondi and Boyd method, power and heat generation, bearing materials.
4. Rolling Contact Bearings: Classification, Static load carrying capacity, Stribeck’s equation, Dynamic load carrying capacity, Equivalent bearing load, Load-Life relation, Selection of bearing life, Load factor, Selection of bearing from catalogue, Design for cyclic loads and speeds, bearing with probability of survival other than 90%, Selection of taper roller bearing, Bearing failure, Lubrication of rolling contact bearing.
5. IC Engine Components: Design of cylinder and Cylinder head, Design of piston, Design of connecting rod, Design of crankshaft and Design of valve gear mechanisms.
6. Design of Cranes: Basic objective of material handling system, Types of loads, Classification and application of various Material handling equipment, Basic principles in selection of material handling system, Classification of cranes, Stress analysis and selection of Hooke (IS 15560,2005), Pulley System (hoisting tackle analysis), Steel wire ropes: Classification and coding, Stress analysis and selection, Design of Sheave and drums.