Ntm Lesson Plan-2015

THE OXFORD COLLE GE OF ENGINEERINGHOSUR ROAD, BOMMANAHALLI, BANGALORE - 68

DEPARTMENT OF MECHANICAL ENGINEERING

Lesson Plan Date: 17/01/2015

Subject code /Title : 10ME665 / Non Traditional Machining Course / Branch : Mechanical EngineeringSemester / Academic Year : 2015

Objectives of Course : To gain the knowledge in modern manufacturing methods towards increasingly complex needs of modern societyTo understand the basics of the present trends in machining

Prerequisites : Basics of traditional manufacturing processes

Module/ Unit

HourDate

Topic

Books Referred & Pages

1.

V 4/02/15 Introduction: History, Classification Modern machining process- Pandey and Shan, Tata McGraw Hill 2000

VI 5/02/15 comparison between conventional andNon-conventional machining process selection.

Modern machining process- Pandey and Shan, Tata McGraw Hill 2000

2.

III,V 6/02/15 Ultrasonic Machining (Usm): Introduction, equipm ent

Mode Modern machining process- Pandey a Shan, Tata McGraw Hill 2000

V 12/02/15 tool materials & tool size, abrasive slurry, cutting tool system design


VI 13/02/15 Effect of parameter: Effect of amplitude and frequency and vibration,


III,V 14/02/15 Effect of abrasive grain diameter, effect of applied static load, effect of slurry, tool & work material


V 19/02/15 USM process characteristics: Material removal rate, tool wear,


VI 20/02/15 Accuracy, surface finish, applications, advantages & Disadvantages of USM.


3. III,V 21/02/15 Abrasive Jet Machining (AJM): Introduction, Equipment

Non-traditional machining hand book-carl summer

V 25/02/15 Variables in AJM: Carrier Gas, Type of abrasive, size of abrasive grain,


VI 26/02/15 velocity of the abrasive jet, mean number. abrasive particles per unit volume of the carriergas, work material, stand off distance (SOD),


III,V 27/02/15 nozzle design, shape of cut. Process characteristics-Material removal rate, Nozzle wear, Accuracy & surface finish.


V 05/03/15 Applications, advantages & Disadvantages of AJM. Water Jet Machining: Principal, Equipment,


VI 06/03/15 Operation, Application, Advantages and


limitations of water Jet machinery

4.

V 11/03/15 Electrochemical Machining (ECM): Introduction, study of ECM machine,


VI 12/03/15 elements of ECM process : Cathode tool, Anode work piece, source of DC power, Electrolyte,


III,V 13/03/15 chemistry of the process, ECM Process characteristics ,


V 18/03/15 Material removal rate, Accuracy, surface finish, ECM Tooling,


VI 19/03/15 ECM tooling technique & example, Tool & insulation materials, Tool size Electrolyteflow arrangement,


III,V 20/03/15 Handling of slug, Economics of ECM, Applications suchas Electrochemical turning, Electrochemical Grinding,


V 25/03/15 Electrochemical Honing, deburring, Advantages, Limitations.


5.

VI 26/03/15 Chemical Machining (CHM): Introduction, elements of process,

Production Technology, HMT Tata McGraw Hill. 2001

III,V 27/03/15 Chemical blanking process : Preparation of work piece,


V,VII 01/04/15 preparation of masters, masking with photo resists, etching for blanking,


VI 09/04/15 accuracy of chemical blanking, applications of chemical blanking,


III,V 10/04/15 chemical milling (contour machining): process steps –masking, Etching, process characteristics of CHM:


V,VII 15/04/15 material removal rate, accuracy, surface finish


VI 16/04/15 Hydrogen embrittlement, advantages & application of CHM.


6

III,V 17/04/15 Electrical Discharge Machining (EDM): Introduction, mechanism of metalremoval,


V,VII 22/04/15 dielectric fluid, spark generator, EDM tools (electrodes) Electrode feed control,


VI 23/04/15 Electrode manufacture, Electrode wear, EDM tool design, choice of machining operation,


III,V 24/04/15 electrode material selection, under sizing andlength of electrode


V,VII 29/04/15 machining time. Flushing; pressure flushing, suction flushing,


VI 30/04/15 side flushing, pulsed flushing synchronized with electrode movement,


VI 06/05/15 EDM process characteristics: metal removal rate, accuracy, surface finish,


V,VII 13/05/15 Heat Affected Zone. Machine tool selection, Application, EDM accessories / applications


VI 14/05/15 electrical discharge grinding, Traveling Edm


7

III,V 15/05/15 Plasma Arc Machining (Pam): Introduction, equipment,


V,VII 20/05/15 non-thermal generation of plasma, selection gas,

Modern machining process- Pandey and Shan, Tata McGraw

VI 21/05/15 Mechanism of metal removal, PAM parameters,


III,V 22/05/15 process characteristics. Safety precautions


-------- ex.class Applications, Advantages and limitations.


8

-------- ex.class Laser Beam Machining (Lbm): Introduction


------- ex.class equipment of LBM mechanism of metalremoval,


------- ex.class LBM parameters, Non-traditional machining hand book-carl summer

------- ex.class Process characteristics Non-traditional machining hand book-carl summer

------- ex.class Applications, Advantages & limitations.


------- ex.class Electron Beam Machining (Ebm) :introduction


------- ex.class Principles, equipment Modern machining process- Pandey and Shan, Tata McGraw Hill 2000

------- ex.class equipment, operations,apps,advantages, & limitations


Self-study Topics (Out –of- Syllabus)Sl. No. Self –study Topics Suggested Reference

1 Advanced analysis of ntm methods production technology, hmt tata mcgraw hill. 2001

2 Present trends in industries towards ntm non-conventional machining, p.k.mishra, the institution of engineers (india) test book series-2005.

3 Laser machining of metal-matrix composites production technology, hmt tata mcgraw hill. 2001

4 Laser machining of super alloys handbook: machining volume 16, joseph r. davis (editor), american society of metals (asm)

Assignment TopicsSl. No. Assignment Topics Submission due on

1 Water jet cutting 3/3/2015

2 Ion beam machining 4/4/2015

3 Edm drilling 10/5/2015

Students Feedback about the course from Last Year:1.2.

Action Plan proposed to accommodate the Feedback:

1.2.

HOD Faculty

Documents

Ntm Lesson Plan-2015