ME-336 MACHINE DESIGN
CREDIT HOURS
Theory = 3
Practical = 0
COURSE LEARNING OUTCOMES (CLOs)
| S. No. | CLOs | PLO | Taxonomy |
| 1 | Discuss the basics of various machine elements | PLO-1 Engineering Knowledge |
Cognitive Level 2* |
| 2 | Select machines elements for a given application | PLO-3 Design/Development of Solutions |
Cognitive Level 6* |
| 3 | Apply standards/codes and norms of engineering practices in designing machine elements | PLO-7 Ethics |
Cognitive Level 3* |
COURSE CONTENT
- Shafts and Columns: Shaft Types and Materials; Design of Shafts under Normal and Combined Loading; Static, Cyclic and Shock Loads; Torsional stiffness, Shaft design standards, De-Gerber and DE-Goodman equations in shaft design, Critical speed of a shaft, Influence Coefficient, Rayliegh Method, Dunkerly Method, Column and struts; Failure of column and struts, Euler’s Column Theory, Slenderness ratio, Rankine formula, Connecting Rods and Crank Shafts
- Selection of bearings: Bearing types, components, materials, rated and service life, ISO dimensions and AFBMA (Anti Friction Bearing Manufacturer Association) bearing standards, bearing designation systems, bearing loads, bearing load life at constant reliability, reliability goal and bearing load life; selection of ball, spherical, straight roller, and tapered bearings. Journal bearing, Petroff’s Equation, Theory and Application of Lubrication; regimes of lubrication for sliding contact bearings;hydrodynamic, hydrostatic and elasto-hydrodynamic lubrication, Bearing Modulus; Summerfold number, Viscosity charts for lubrication.
- Gears: Gear types, Spur, Helical, Worm, Bevel gears; purpose; internal and external gear meshing, nomenclature, tooth system, conjugate action in gears, tooth profile, interference phenomena, contact ratio in gears; gear design
- Gear Train: gear train ratio, simple gear train, compound gear train, reverted gear train, epicyclic gear train.
- Stresses on Gear Teeth: Stress analysis on gear teeth by Spur, Helical, Bevel and Worm Gears, Dynamic effects, Lewis formula, AGMA (American Gear Manufacturer Association) Stress Formula, AGMA standards; AGMA Strength Formula.
- Elements of Micro Electro- Mechanical System(MEMS): MEMS Devices; Sensors; Actuators; Springs and Fluid Flow devices.
RECOMMENDED BOOKS
Text Book(s)
- Richard G. Budynas, Keith Nisbett, “Shigley’s Mechanical Engineering Design” McGraw Hill, 2023.
Reference Book(s)
- Robert Norton, “Design of Machinery”, 6th ed., McGraw Hill, 2020.
- Robert Mott, “Machine Elements in Mechanical Design”, 6th ed., Pearson, 2017.
*For details of Taxonomy Levels CLICK HERE
