annaunivugnotes: ME9251 MANUFACTURING TECHNOLOGY

ME9251 MANUFACTURING TECHNOLOGY – II

1. THEORY OF METAL CUTTING

Mechanics of chip formation, single point cutting tool, forces in machining, thermal aspects of chip formation. orthogonal metal cutting, cutting tool materials, tool wear, tool life, surface finish, cutting fluids and Machinability.

2. CENTRE LATHE AND SPECIAL PURPOSE LATHES

Centre lathe, constructional features, specification, cutting tools, nomenclature various operations – taper turning methods, thread cutting methods, special attachments, machining time and power estimation. capstan and turret lathes – tool layout, - automatic lathes: semi automatics – single spindle: swiss type, automatic

screw type- multi spindle.

3. RECIPROCATING MACHINES, MILLING MACHINES AND GEAR CUTTING

Reciprocating machine tools: shaper, planer, slotter: milling: types, milling cutter attachments, change gear calculations, machining time calculation, operations. hole making: drilling, reaming, boring, tapping, machining time calculations. gear cutting: forming, generations, shaping, planning and hobbing-tool and cutter grinders.

4. ABRASIVE PROCESS, BROACHING

Abrasive processes: grinding wheel – specifications and selection, types of grinding process – cylindrical grinding , surface grinding, centreless grinding, internal grindinghoning, lapping, super finishing, polishing and buffing, abrasive jet grindling.broaching machines: broach construction – push, pull, surface and

continuous broaching machines.

5. CNC MACHINE TOOLS AND PART PROGRAMMING

Numerical control (NC) machine tools – CNC types, constructional details, special features. machining centre, training centre.part programming fundamentals – manual programming.

TEXT BOOKS

1. Roy. A. Lindberg, “Process and Materials of Manufacture”, PHI / Pearson Education Fourth , Edition 2006.

2. Rao. P.N “ Manufacturing Technology”, Metal Cutting and Machine Tools, Tata Mc Graw–Hill, New Delhi, 2003.

REFERENCES

1. Richerd R Kibbe, John E. Neely, Roland O. Merges and Warren J. White. “Machine Tool Practices”, Prentice Hall of India, 1998

2. HMT – Production Technology, Tata Mc Graw Hill, 1998.

3. Hajra Choudhury. Elements of Workshop Technology – Vol.II. Media Promoters.

4. Geofrey Boothroyd, Fundamentals of Metal Machining and Machine Tools, Mc Graw Hill, 1984.