2K6ME 703: MACHINE DESIGN I

Module I (13 Hours)
Introduction to design- Steps in design process –Design factors –Tolerances & fits – principles of standardization – Codes & standards – Selection of materials Introduction to Computer aided design – Introduction to modeling, drafting, simulation and analysis software packages. Stress & Strength considerations of mechanical elements – Stress concentration Theories of failure –Impact load – Fatigue loading – consideration of creep and thermal stresses in design.
Module II (13 Hours)
Threaded fasteners –Thread standards – Stresses in screw threads – preloading of bolts – bolted joints – eccentric loading – gasketed joints – Fatigue loading – analysis of power screws. Keys – types of keys and pins – stresses in keys and pins – design of keys – design of cotter and pin joints Riveted Joints – stresses in riveted joints – strength analysis – boiler and tank joints – structural joints
Module III (13 Hours)
Welded joints – types of welded joints – stresses in butt and fillet welds – torsion and bending in welded joints- welds subject to fluctuating loads – design of welded machine parts and structural joints. Springs – Stresses in helical springs- deflection of helical springs – extension, compression and torsion springs- design of helical springs for static and fatigue loading – critical frequency of helical springs – stress analysis and design of leaf springs
Module IV (13 Hours)
Power shafting – stresses in shafts – design for static loads – reversed bending and
steady torsion – design for strength and deflection – design for fatigue loading – critical
speed of shafts – stresses in couplings – design of couplings

Text books:
1. Joseph Edward Shigley, Mechanical Engineering Design, McGraw Hill Book Company.
2. V B Bhandari, Design of Machine elements, Tata McGraw Hill Publishing Co. Ltd.
Reference books:
1. Stegel, Maleev & Hartman, Mechanical Design of Machines, International Book Company
2. Phelan R. M, Fundamentals of Mechanical Design, Tata McGraw Hill Publishing Co. Ltd.
3. Doughtie V L & Vallance. A V., Design of Machine Elements, McGraw Hill Book Company.
4. Paul H Black & O Eugene Adams Jr., Machine Design, McGraw Hill Book Company.
5. M F Spotts, T E Shoup, Design of Machine elements, Prentice Hall
6. V B Bhandari, Introduction to Machine Design, Tata McGraw Hill Publishing Co. Ltd.
7. Georeg E Dieter, Engineering Design, McGraw Hill Book Company.
8. Jack A Collins, Failure of Materials in Mechanical Design: Analysis, Prediction, Prevention. John Wiley & Sons Inc.
9. Ibrahim Zeid, CAD/CAM theory and practice, McGraw Hill Book Company.