MF3301 Machining Technology Syllabus:
MF3301 Machining Technology Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
The main learning objective of this course is to prepare the students:
• To impart knowledge on basics of metal cutting.
• to solve problems on cutting forces, tool life and analytical methods of estimating cutting temperature.
• To describe the basic principles of machine tools and processes
• To elaborate abrasive and finishing operations.
• To outline basics of automation and structure of machine tools.
UNIT I FUNDAMENTALS OF METAL CUTTING
Tool geometry- Mechanics of orthogonal and oblique cutting – mechanism of chip formation- Types of chips produced in cutting -Cutting forces – Merchant’s circle diagram – simple problems -Cutting temperature causes, effects, measurement, estimation and Control-Tool failure modes-wear mechanisms – tool life – simple problems- Machinability -Surface finish and integrity of machined surfaces- Machining economics cutting tool materials- Cutting tool Reconditioning-Cutting fluids.
UNIT II BASIC MACHINING PROCESSES
Lathe: Kinematic arrangement -Specification – Types – Mechanisms – work holding devices- Operations – Drilling: Specification – Types – Mechanism – Operations – Drill tool nomenclature –- Boring: Specification – Types – Operations – Boring tool – Jig Boring machine – Reamer and tap Milling: Specification – Types – Cutter nomenclature – Types of cutters – mounting of cutters- Operations – Indexing – Cam and thread millingShaper: Specification – Types – Mechanism- Planer: Specification – Types – Mechanism – Broaching: Specification – Types – Tool nomenclature- Broaching process
UNIT III GRINDING AND FINISHING OPERATIONS
Grinding: Types of grinding machine – Designation and selection of grinding wheel – Abrasives- Bonds -bonded abrasives – Reconditioning of grinding wheel – grinding operations and machines wheel grinding -Design Considerations for grinding- economics of grindingfinishing operation. – deburring – lapping, honing, burnishing.
UNIT IV GEAR CUTTING
Gear cutting Methods-Kinematics of gear shaping and gear hobbing – template gear cutting Methods-Gear generation principles specifications – Bevel gear generator – Gear finishing methods-gear grinding –lapping
UNIT V MACHINE TOOL STRUCTURE AND AUTOMATION
Classification Machine Tool Structures-Vibration and chatters in machining-erecting and testing of machine Tools-Automation: Cam controlled automats, single spindle and multi spindle automats – Swiss type, automatic screw mechanism – Feeding mechanism – Transfer mechanism, Tracer controller mechanism.
TOTAL : 45 PERIODS
COURSE OUTCOMES:
Upon the completion of this course the students will be able to
• Apply the knowledge in the basics of metal cutting.
• Apply suitable machining processes based on requirements.
• Distinguish different finishing operations.
• Test the machine tool structure and differentiate various automation.
• solve problems on cutting forces, tool life and analytical methods of estimating cutting temperature.
TEXT BOOKS:
1. Sharma P.C., “A Textbook of Production Technology (Manufacturing Processes)”, 8th Edition, S. Chand Publishing., India 2014 ISBN:9788121911146.
2. Jain R.K., “Production Technology: Manufacturing Processes, Technology and Automation”, 17th Edition, Khanna publication, India, 2014, ISBN-10: 9788174090997, ISBN-3: 978-8174090997
REFERENCES:
1. John R. Walker and Bob Dixon, “Machining Fundamentals”, 9th Edition, The Goodheart-Willcox Co. United States,2014, ISBN: 978-1-61960-209-0.
2. Krar S.F., “Technology of Machine Tools”, 7th Edition, McGraw-Hill, New York, 2011, ISBN-13: 978-0073510835, ISBN-10: 0073510831.
3. Roy A. Lindberg, “Processes and Materials of Manufacture”, 4th Edition, PHI Learning, United States, 1994, Reprint 2008, ISBN: 9788120306639, 8120306635
4. Serope Kalpakjian, Steven Schmid, “Manufacturing Engineering & Technology”,7thEdtion, Pearson, United States, 2013, ISBN: 0131489658.
5. Winston A. Knight, Geoffrey Boothroyd, “Fundamentals of Metal Machining and Machine Tools (Mechanical Engineering)”, 3rd Edition, United States, 2005, ISBN 0070850577, 9780070850576.