CMF333 Design of Cutting Tools Syllabus:
CMF333 Design of Cutting Tools Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
At the end of this course the student should be able to understand
• Understand the fundamentals of metal cutting theory and its practice in industries.
• Estimate the operational costs for maximum productivity.
• Analyse cutting forces of various machining operations.
• Design the cutting tools for longer tool life.
UNIT I INTRODUCTION
Mechanism of chip formation, Mechanism of yielding, concept of shearing strain, Fracture, overview of chip formation, Mechanism of Metal Cutting – Force system during turning- velocity relationships Force analysis in turning, milling, drilling etc.- force dynamometer
UNIT II CUTTING TOOL INSERTS
Design features of inserts – Indexable Inserts, Chip breakers, ISO and ANSI classification of inserts and tool holders.
UNIT III TURNING AND MILLING TOOLS
Turning Tool: Design of shank cross section, Classification of form tools, Design characteristics, Graphical and analytical method for profile calculation, chip breakers purpose and types. Milling Tool: Nomenclature, Design principles of plain milling cutter, Life and wear.
UNIT IV DRILLING, BORING, REAMER, BROACHING TOOLS
Drilling Tool: Drills with Indexable insert, deep hole drill, carbide tipped drill, core drill, counter pores, and counter sinks, drill design aspects. Boring Tool: Types of boring tool, Boring heads, Cartridges, Boring tool design aspects. Reamer Tool: Types of reamers, Geometry of flutes, Reamer design aspects. Broaching Tool: Elements, types of broach, broach design aspects, broach strength.
UNIT V ECONOMICS OF MACHINING
Elements of machining cost, Tool cost, Cutting speed for minimum cost, Cutting speed for maximum productivity.
TOTAL : 45 PERIODS
COURSE OUTCOMES:
• Upon the completion of this course the students will be able to
• Understand mechanism of chip formation, measurement of cutting forces
• Analyse the different types of machining operations
• Design cutting tools based on analytical and graphical method for industrial requirements
• Apply engineering knowledge for development of cutting tools for various operations
TEXT BOOKS:
1. Cyril Donaldson, George H. Lecain,V.C.Goold, “Tool Design”, Mc Graw Hill Education, 5th edition, 2017.
2. P.N.Rao, “Manufacturing technology”, Mc Graw Hill Education, 4th edition, 2013.
REFERENCES:
1. John.G. Nee, William Dufraine, John W.Evans, Mark Hill, “Fundamentals of Tool Design”, Society of Manufacturing Engineers, 2010.
2. Frank W.Wilson, “Fundamentals of Tool Design”,PHI publications.
3. Dr. B. J. Ranganath, Metal Cutting and Tool Design, Vikas Publishing House Pvt. Ltd., New Delhi, Second Revised Edition,2009. ISBN: 0706975103, 9780706975109
4. Herman W. Pollack, Tool Design, Prentice Hall PTR, 2nd Edn. 1988. ISBN: 0139251812
5. T A Sadasivan, D Sarathy, Cutting tools for productive machining, WIdia (India) Limited