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Course Detail

Course Name Tool Design
Course Code 15MEC243
Program B. Tech. in Mechanical Engineering
Year Taught 2019


Unit 1

Design of Jigs: Introduction – Location Principles – Six Point Location Principle – Locators – Clamping Principles – Clamping Devices – Drill Jigs – Drill Bushes – Drill Jig Types – Design and Development of Jigs for given components.

Unit 2

Design of Fixtures: Milling Fixtures – Milling Methods – Milling Fixture Types – Turning fixtures – Broaching Fixtures – Grinding Fixtures – Assembly, Inspection and Welding Fixtures – Modular Fixtures – Design and Development of Fixtures for given components.

Unit 3

Design of Dies: Power presses types and construction details, die cutting operation, cutting action in die and punch, center of pressure, clearance and its significance, cutting forces, methods of reducing cutting forces, methods of punch support, strippers, stock stops, guide pilots, knockout, design of blanking and piercing dies. Design Concepts and description of the components of progressive dies. Design of progressive dies. Design of compound dies. Design of combination dies.

Drawing Dies: Metal flow and factors affecting drawing, blank size calculations, drawing force, single and double acting drawing dies, design and development of drawing dies for different components.

Bending and Forming Dies: Spring back, bend allowance; calculation of development length, bending force calculations types of bending dies. Curling dies.

Forging process and forging dies. (Introductory Treatment)

Text Books

  • P. H. Joshi – ‘Jigs and Fixtures Design Manual’ – McGraw Hill – 2002
  • Kempster M. H. A. – ‘An Introduction to Jig and Tool Design’ – Viva Books Pvt. Ltd. – 2002
  • Paquin and Crowley – ‘Die Design Fundamentals’ – Industrial Press, New York – 1979


  • John G. Nee – ‘Fundamentals of Tool Design’ – Society of Manufacturing – 1998 – 4th Edition
  • ‘Production Techno1ogy Hand Book’ – HMT – Tata McGraw Hill
  • E. K. Henriksen – ‘Jig and Fixture Design Manual’ – Industrial Press, New York – 1973
  • Donaldson, Lecain and Goold – ‘Tool Design’ – McGraw Hill, New York – 1976

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