MF8502 - MACHINE DESIGN (Syllabus) 2017-regulation Anna University

MF8502 - MACHINE DESIGN (Syllabus) 2017-regulation Anna University

MF8502

MACHINE DESIGN

 LPTC

3003

OBJECTIVES:
• To familiarise the various steps involved in the Design Process
• To understand the principles involved in evaluating the shape and dimensions of a component to satisfy functional and strength requirements.
• To learn to use standard practices and standard data.
• To learn to use catalogues and standard machine components (Use of P S G Design Data Book is permitted)

UNIT I

STEADY STRESSES AND VARIABLE STRESSES IN MACHINE MEMBERS

9

Introduction to the design process – factor influencing machine design, selection of materials based on mechanical properties – Preferred numbers, fits and tolerances – Direct, Bending and torsional stress equations – impact and shock loading – calculation of principle stresses for various load combinations, eccentric loading – Design of curved beams – crane hook and ‘C’ frame – Factor of safety – theories of failure – stress concentration – design for variable loading – Soderberg, Goodman and Gerber relations.

UNIT II

DESIGN OF SHAFTS AND COUPLINGS

9

Design of solid and hollow shafts based on strength, rigidity and critical speed – Design of keys, key ways and splines – Design of crankshafts – Design of rigid and flexible couplings.


UNIT III

DESIGN OF TEMPORARY AND PERMANENT JOINTS

9

Threaded fastners – Design of bolted joints including eccentric loading, Knuckle joints, Cotter joints – Design of Welded joints, riveted joints for structures – theory of bonded joints.

UNIT IV

DESIGN OF ENERGY STORING ELEMENTS

9

Design of various types of springs, optimization of helical spings – rubber springs – Design of flywheels considering stresses in rims and arms, for engines and punching machines.

UNIT V

DESIGN OF BEARINGS AND MISCELLANEOUS ELEMENTS

9

Sliding contact and rolling contact bearings – Design of hydrodynamic journal bearings, McKee’s Eqn., Sommerfield Number, Raimondi & Boyd – Selection of Rolling Contact bearings – Design of Seals and Gaskets – Design of Connecting Rod.

TOTAL : 45 PERIODS

OUTCOME:
• Upon completion of this course, the students can able to successfully design engine components and successfully design transmission components used in Engine and machines

TEXT BOOKS:
1. Bhandrari V.B, “Design of Machine Elements”, Second Edition, Tata McGraw-Hill Book Co., 2007.
2. Shigley J.E. and Mischke C.R., “Mechanical Engineering Design”, Sixth Edition, Tata McGraw Hill, 2003.

REFERENCES:
1. Orthwein W, “Machine Component Design”, Jaico Publishing Co, 2003.
2. Spotts A.F., Shoup T.E, “Design and Machine Elements” Pearson Education, 2004.
3. Sundararajamoorthy T.V, Shanmugam N, “Machine Design”, Anuradha Publications, 2003.
4. Ugural A.C, “Mechanical Design : An Integral Approach, McGraw-Hill Book Co, 2004.

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