ME2021 QUALITY CONTROL AND RELIABILITY ENGINEERING Syllabus

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(COMMON TO MECHANICAL, AUTOMOBILE AND PRODUCTION)

OBJECTIVE:

 To introduce the concept of SQC

 To understand process control and acceptance sampling procedure and their

application.

 To learn the concept of reliability.

UNIT I INTRODUCTION AND PROCESS CONTROL FOR VARIABLES 10

Introduction, definition of quality, basic concept of quality, definition of SQC, benefits and

limitation of SQC, Quality assurance,Quality control: Quality cost-Variation in processcausesof

variation –Theory of control chart- uses of control chart – Control chart for

variables – X chart, R chart and  chart -process capability – process capability studies

and simple problems.Six sigma concepts.

UNIT II PROCESS CONTROL FOR ATTRIBUTES 8

Control chart for attributes –control chart for non conformings– p chart and np chart –

control chart for nonconformities– C and U charts, State of control and process out of

control identification in charts, pattern study.

UNIT III ACCEPTANCE SAMPLING 9

Lot by lot sampling – types – probability of acceptance in single, double, multiple

sampling techniques – O.C. curves – producer’s Risk and consumer’s Risk. AQL, LTPD,

AOQL concepts-standard sampling plans for AQL and LTPD- uses of standard sampling

plans.

UNIT IV LIFE TESTING - RELIABILITY 9

Life testing – Objective – failure data analysis, Mean failure rate, mean time to failure,

mean time between failure, hazard rate – Weibull model, system reliability, series,

parallel and mixed configuration – simple problems. Maintainability and availability –

simple problems. Acceptance sampling based on reliability test – O.C Curves.

UNIT V QUALITY AND RELIABLITY 9

Reliability improvements – techniques- use of Pareto analysis – design for reliability –

redundancy unit and standby redundancy – Optimization in reliability – Product design –

Product analysis – Product development – Product life cycles.

TOTAL: 45 PERIODS

Note: Use of approved statistical table permitted in the examination.

TEXT BOOKS

1. Douglas.C.Montgomery, “ Introduction to Statistical quality control” John wiley 4th

edition2001.

2. L.S.Srinath, “Reliability Engineering”, Affiliated East west press, 1991.

REFERENCES

1. John.S. Oakland. Statistical process control”, Elsevier, 5th edition, 2005

2. Connor, P.D.T.O., “ Practical Reliability Engineering”, John Wiley, 1993

3. Grant, Eugene .L “Statistical Quality Control”, McGraw-Hill, 1996

4. Monohar Mahajan, “Statistical Quality Control”, Dhanpat Rai & Sons, 2001.

5. R.C.Gupta, “Statistical Quality control”, Khanna Publishers, 1997.

6. Besterfield D.H., “Quality Control”, Prentice Hall, 1993.

7. Sharma S.C., “Inspection Quality Control and Reliability”, Khanna Publishers, 1998.

8. Danny Samson, “Manufacturing & Operations Strategy”, Prentice Hall, 1991