St

St. Peters College of Engineering and Technology, Avadi, Chennai.

Department of Mechanical Engineering

Lesson Plan

Faculty Name- Theory hrs

Tutorial hrs Semester-

D.Sathiyamoorthy

45

-

V

Academic year : 2015-2016 Course Code : ME 6503 Total No of hours: 60hrsCourse : DESIGN OF MACHINE ELEMENTS S. NoTopicNo. of HrsText booksPage No.

UNIT I - STEADY STRESSES AND VARIABLE STRESSES IN MACHINE

MEMBERS PERIODS : 10 HRS

1.Introduction to the design process 01T11.2-1.5

2.Factor influencing machine design, selection of

materials based on mechanical properties01T11.5-1.7

3.Preferred numbers, fits and tolerances01T11.7-1.10

4.Direct, Bending and torsional stress equations01T11.10-1.16

5.Impact and shock loading01T11.16-1.30

6.Calculation of principle stresses for various load combinations, eccentric loading01T11.30-1.44

7.Design of curved beams Crane hook and C frame -01T11.44-1.48

8.Factor of safety and Theories of failure01T11.49-1.76

9.Stress concentration01T11.76-1.80

10.Design for variable loading Soderberg, Goodman and Gerber relations01T11.80-1.93

UNIT II- DESIGN OF SHAFTS AND COUPLINGS PERIODS : 8 HRS

1.Design of solid and hollow shafts based on strength 02T12.1-2.10

2.Design of solid and hollow shafts based on rigidity 02T12.4-2.24

3.Design of solid and hollow shafts based on critical speed01T12.6-2.61

4.Design of keys, key ways and splines01T12.61-2.82

5.Design of rigid and flexible couplings02T12.125-2.149

UNIT III- DESIGN OF TEMPORARY AND PERMANENT JOINTS PERIODS : 9 HRS

1.Threaded fasteners 01T13.2

2.Design of bolted joints including eccentric loading01T13.2-3.48

3.Knuckle joints01T13.146-3.149

4.Cotter joints01T13.154-3.164

5.Design of welded joints02T13.48-3.76

6.Riveted joints for structures02T13.100-3.116

7.Theory of bonded joints.01T13.167-3.174

UNIT IV- DESIGN OF ENERGY STORING ELEMENTS PERIODS : 9 HRS

1.Design of various types of springs03T14.1

2.Optimization of helical springs01T14.2-4.72

3.Rubber springs01T14.73-4.95

4.Design of flywheels considering stresses in rims and arms, for engines and punching machines02T14.114-4.115

5.Design of Connecting Rods and crank shafts.02T15.96-5.103

UNIT V -DESIGN OF BEARINGS AND MISCELLANEOUS ELEMENTS PERIODS : HRS

1.Sliding contact and rolling contact bearings 03T15.1-5.41

2.Design of hydrodynamic journal bearings02T15.44-5.47

3.Sommerfield Number, Raimondi & Boyd graphs,02T15.55-5.64

4.Selection of Rolling Contact bearings02T15.14

TEXT BOOKS:

1. RS Khurmi and JK Gupta , Machine Design 2005 edition , S.Chand Publications 2005

REFERENCES:

1. R.B Patil ,Design of machine Elements Macmillan publishers, Maharashtra,2011

2. Bhandari V.B, Design of Machine Elements, Second Edition, Tata McGraw-Hill

Prepared by, Approved by

D.Sathiyamoorthy Dr. K.PURUSHOTHAMANAP / Mech HOD/ MECH Format No: LP-01

Issue No: 01

Issue Date: 10-07-10

PAGE