JAWAHARLAL NEHRU  TECHNOLOGICAL  UNIVERSITY  HYDERABAD
III Year B.Tech. ME - I Sem      L   T/P/D   C
4   -/-/-   4
(A50321) MACHINE TOOLS

UNIT - I:

Elementary treatment of metal cutting theory - Element of cutting process - Geometry of single point tool and angles chip formation and types of chips - built up edge and its effects, chip breakers. Mechanics of orthogonal cutting - Merchant's Force diagram, cutting forces - cutting speeds, feed, depth of cut, tool life, coolants, machinability - Tool materials.

UNIT - II:

Engine lathe - Principle of working, specification of lathe - types of lathe - work and tool holding devices, Taper turning, Thread turning - Lathe attachements. Turret and capstan lathe - Principle features of automatic lathes - classification: Single spindle and multi-spindle automatic lathes - tool layouts.

UNIT - III:

Shapping, slotting and planning machines - Principles of working - principal parts - specification, classification, operations performed. Kinematic scheme of shaping, slotting and planning machines, machining time calculations.

Drilling and Boring Machines - Principles of working, specifications, types, operations performed - tool holding devices - twist drill - Boring machines - Fine boring machines - Jig boring machine. Deep hole drilling machine. Kinematics scheme of the drilling and boring machines

UNIT - IV:

Milling machine - Principles of working - specifications - classifications of milling machines - Principal features of horizontal, vertical and universal milling machines - machining operations Geometry of milling cutters - methods of indexing - Accessories to milling machines, kinematic scheme of milling machines

UNIT - V:

Finishing Processes: Grinding - fundamentals - theory of grinding - classification of grinding machines - cylindrical and surface grinding machine - Tool and cutter grinding machine - special types of grinding machines, Diffrent types of abrasives - bonds specification of a grinding wheel and selection of a grinding wheel, Kinematic. Scheme of grinding machines.

TEXT BOOKS:

1. Production Technology / HMT / Tata Mc Graw Hill.
2. Production Technology / R. K. Jain and S. C. Gupta / Khanna Pulishers.

REFERENCES BOOKS:

1. Principles of Machine Tools / Bhattacharya A and Sen. G. C / New Central Book Agency.
2. Workshop Technology - Vol. - II / B. S. Raghuvamsi.
3. Elements of Work Shop Technology - Vol. II / Hajra Choudary / Media Promoters.
4. Fundamentals of Metal Machining and Machine Tools / Geofrey Boothroyd / Mc Graw Hill.
5. Manufacturing Processes / JP Kaushish / Prentice Hall / 2nd Edition.
6. Machine Tools / C Elanchezhian & M. Vijayan / Anuradha Publications.