JNTUA B.Tech. R20 Regulations

########## JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY ANANTAPUR B.Tech (ME) - IV-I Sem L T P C 3 0 0 3 (20A03701a) MODERNMANUFACTURINGMETHODS (Professional Elective-III) Course Objectives:

- • Define various Modern Machining Processes.
- • Acquire knowledge in the elementary mechanism and machinability of materials with different Modern Machining Processes.
- • Determine basic principles of operation for each process and their applications.
- • State various parameters influencing MRRin Non - Traditional Machining Process.
- • Classify and understand the working of Additive Manufacturing Processes.

########## Course Outcomes:

At the end of the course, the student will be able to

- • Illustrate advanced machining processes, cutting tools and cutting fluids for a specific material and part features.
- • Classify the mechanism of Mechanical Energy based machining processes, its applications and limitations.
- • Differentiate Electrical Energy Based machining processes, mechanism of metal removal, machine tool selection.
- • Interpret Electro Chemical machining process, economic aspects of ECM and problems on estimation of metal removal rate.

UNIT I Introduction, Need, Classification and Brief Overview, Non - Traditional Machining Processes: Introduction, Need, Classification and Brief Overview, Non - Traditional Machining Processes: Considerations in Process selection, Materials, Applications. Abrasive Jet Machining, Water Jet Machining, Abrasive Water Mechanical Energy Based Processes: Energy Based Processes: Jet Machining, Ultra Sonic Machining - Working Principle, Description of Equipment, Process Parameters, Metal Removal Rate, Applications, Advantages and Limitations.

UNIT II Electric Discharge Machining - Working Principles, Description Electrical Energy Based Processes: Electric Discharge Machining - Working Principles, Description Electrical Energy Based Processes: of Equipment, Process Parameters, Surface Finish and MRR, Electrode / Tool, Power and Control Circuits, Tool Wear, Dielectric Fluid, Flushing, Advantages, Limitations and Applications. Wire cut EDM - Working Principle and Applications.

UNIT III Chemical Machining and Electro Chemical and Electro Chemical Energy Based Processes: Chemical Machining and Electro Chemical and Electro Chemical Energy Based Processes: Chemical Machining - Working Principle, Description of Equipment, Etchants, Maskants, Techniques of Applying Maskants, Process Parameters, Surface Finish and MRR, Electro Chemical Grinding, Electro Chemical Honing, Applications, Advantages and Limitations.

UNIT IV Laser Beam Machining and Drilling, Plasma Arc Machining, Thermal Energy Based Processes: Laser Beam Machining and Drilling, Plasma Arc Machining, Thermal Energy Based Processes: Electron Beam Machining - Working Principle, Description of Equipment, Process Parameters, Applications, Advantages and Limitations.

UNIT V Introduction to Additive Manufacturing, Classification of Additive Additive Manufacturing: Introduction to Additive Manufacturing, Classification of Additive Additive Manufacturing: Manufacturing Processes, Working Principle, Advantages, Limitations and Applications of Sterolithography (SLA), Fused Deposition Modeling, Selective Laser Sintering, Laminated Object Manufacturing

########## Textbooks:

- 1. 1. Jain V.K., Advanced Machining Processes, 1 Edition, Allied Publishers Pvt. Ltd., New Delhi, 2007.
- 2. Pandey P.C and Shan H.S., Modern Machining Processes, 1/e, McGraw Hill, New Delhi, 2007.
- 3. Ian Gibson, David W. Rosen, Brent Stucker, Additive Manufacturing Technologies: Rapid Prototyping to Direct Digital Manufacturing, 1/e, Springer, 2010.