Sunday, June 24, 2012
ME2303 DESIGN OF MACHINE ELEMENTS Syllabus for Mechanical Fifth(5th) Semester - Anna University
ME2303 DESIGN OF MACHINE ELEMENTS L T P C
3 1 0 4
OBJECTIVE:
· 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
UNIT I STEADY STRESSES AND
VARIABLE STRESSES IN MACHINE
MEMBERS 12
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 12
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 12
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 12
Design
of various types of springs, optimization
of helical springs -- rubber springs -- Design of flywheels considering stresses in rims and arms, for engines and punching
machines.
UNIT V
DESIGN OF BEARINGS AND MISCELLANEOUS ELEMENTS
12
Sliding contact and rolling contact bearings --
Design of hydrodynamic journal bearings,
McKee's Eqn., Sommerfield Number, Raimondi & Boyd graphs, -- Selection of Rolling Contact bearings --
Design of Seals and Gaskets --
Design of Connecting Rod.
TUTORIAL = 15 L = 45 TOTAL: 60 PERIODS
Note: (Use of P S G Design Data Book is permitted in the University examination)
TEXT BOOKS:
1. Shigley J.E and Mischke C. R., “Mechanical Engineering Design”, Sixth Edition, Tata
McGraw-Hill ,
2003.
2. Bhandari V.B, “Design of Machine Elements”, Second Edition, Tata McGraw-Hill
Book Co, 2007.
REFERENCES:
1. Sundararajamoorthy T. V, Shanmugam .N, "Machine Design",
Anuradha
Publications, Chennai, 2003.
2. Orthwein W, “Machine Component Design”, Jaico Publishing Co, 2003.
3. Ugural A.C, “Mechanical Design – An Integral Approach, McGraw-Hill Book Co,
2004.
4. Spotts M.F., Shoup T.E “Design and Machine Elements” Pearson Education, 2004.
STANDARDS:
1. IS 10260 : Part 1 : 1982 Terms, definitions and classification of Plain bearings Part 1
: Construction.
2. IS 10260 : Part 1 : 1982 Terms, definitions and classification of Plain bearings Part 2
: Friction and Wear.
3. IS 10260 : Part 1 : 1982 Terms, definitions and classification of Plain bearings Part 3
: Lubrication.
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