CMF337 Design of Gauges Syllabus:

CMF337 Design of Gauges Syllabus – Anna University Regulation 2021

COURSE OBJECTIVES:

At the end of this course the student should be able to
• Impart the basics of gauges and perform measurement tasks accurately.
• Lean the right measurement practices features and geometries.
• Familiarized with the different types of gauges and its application
• Familiarized with the gauge materials and its properties
• Gain knowledge on design of gauges

UNIT I INTRODUCTION

Types of gauges – Design requirements- gauge tolerance and wear allowance- Workshop gauges – Inspection gauges – Reference, or master or control gauges – Points to be remembered for Gauge Design – IS specifications for gauges Design – GD&T for GaugesApplication of Gauges.

UNIT II MATERIALS FOR GAUGES

Introduction to gauge materials- High-carbon steel – Mild steel- Alloy steels –Glass- InvarElinvar – selection of materials- heat treatment – surface treatment- Important properties: Optimal Hardness- Stability of Dimensions – Proper Workability – Wear and Corrosion Resistance- Low Coefficient of Linear Expansion – Uniformity of Structure – Advance techniques for micro structure and properties evaluation.

UNIT III LIMIT GAUGES

Taylor’s principle of limit gauging – Application of limit gauges – gauge makers tolerance – allowance for gauge wear – material for limit gauge- Disposition of gauge tolerance and wear allowance- three basic types of limit gauges: plug gauge -snap gauge -ring gauge – Solid Gauges – Renewable end gauges – Single-ended gauges – Double-ended Gauge- Progressive Guage – manufacturing process- advantages and disadvantages- applications-IS
specifications for gauges Design of plug and Snap gauges.

UNIT IV INDICATING GAUGES

Introduction to pressure gauges, dimensions gauges, levels gauges – types – componentsmaterials- Design considerations- manufacturing process- advantages and disadvantagesapplications- IS specifications for indicating gauges.

UNIT V MISCELLANEOUS GAUGES

Combined Limit Gauge-Position Gauge-Contour Gauges-Taper Gauge-Thread Gauge -Form Gauges -Screw Pitch Gauge -Radius and Fillet Gauges -Feeler Gauge -WIRE Gauge -Pin Gauge – Design consideration- manufacturing process- advantages and disadvantagesapplications – IS specifications.

TOTAL : 45 PERIODS
OUTCOMES:

At the end of this course, the student shall be able to:
• Recognize the basics of gauges and perform measurement tasks accurately.
• Identify the right measurement practices features and geometries.
• Recognize with the different types of gauges based on its application
• Recognize the gauge materials and its properties
• Ability to design different type of gauges

TEXT BOOKS:

1. Bewoor A.K., and Kulkarni,V.A., “Metrology and Measurement”, Tata McGraw-Hill., India, 2009.ISBN: 978-0070140004.
2. Jain R.K., “Engineering Metrology”, 19th Edition, Khanna Publishers., India, 2005, ISBN13: 978-8174091536.

REFERENCES:

1. “ASTE Handbook of Industries Metrology”, Prentice Hall of India Ltd., India, 1992.
2. Galyer J.F.W. and Shotbolt C.R., “Metrology for Engineers”, Cassel O.R., London, 1993, ISBN-13: 978-0304318445
3. Rajput R.K., “Engineering Metrology and Instrumentations”, Kataria & Son Publishers., India, 2001.
4. Thomas, “Engineering Metrology”, Butthinson & Co., 1984.
5. Whitehouse D.J., “The Handbook of Surface and Nanometrology”, 2nd Edition, CRC Press., United States, 2011, ISBN: 9781420082029.