JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Tool Materials: Prosperities of materials: Tools steels, Cast Iron, Mild or low carbon steels, Non metallic and nonferrous materials, Heat treating

UNIT - II

Design of Cutting Tools: Single Point cutting tools: Milling cutters, Drills, Selection of carbide steels – Determination of shank size for single point carbide tools, Determining the insert thickness for carbide tools

UNIT - III

Design of Jigs and Fixtures: Basic principles of location and clamping: Locating methods and devices, Jigs-Definition Types, General considerations in the design of Drill jigs, Drill bushing, Methods of Construction. Fixtures-Vice fixtures, Milling, Boring Lathe Grinding fixtures.

UNIT - IV

Design of Sheet Metal Blanking and Piercing Dies: Fundamentals of Die cutting operation, Power press types, General press information, Materials Handling equipment. Cutting action in Punch and die operations. Die clearance, Types of Die construction. Die design fundamentals-Banking and piercing die construction, pilots, stripper and pressure pads presswork material, Strip layout, Short run tooling for piercing.

UNIT - V

Design of Sheet Metal Bending, Forming and Drawing Dies: Bending dies, drawing dies, forming dies, drawing operations, Variables that effect metal flow during drawing. Determination of blank size, Drawing force, Single, and double action draw dies.

REFERENCES:

• 1. Donaldson “Tool Design”/ Tata McGraw Hill
• 2. Production Technology/HMT/Tata McGraw Hill/
• 3. Production Technology by R.K. Jain and S.C. Gupta.
• 4. Mechanical Metallurgy/ George F Dieter/ Tata McGraw Hill
• 5. Machine Tools/C Elanchezhian & M. Vijayan/Anuradha Publications
• 6. Principles of Machine Tools, Bhattacharya A and Sen. G. C. New Central Book Agency
• 7. Hand Book of Metal forming/ Kurt Lange/ Mc Graw-Hill,.1987 M. Tech – I year II Sem. (AMS)