Workshop Technology
ME 453
Lecture:1 Year: I
Tutorial: 0 Part: II
Practical: 3
Course Objective:
To impart knowledge and skill components in the field of basic workshop technology.To be familiar with different hand and machine tools required for manufacturing simple metal components and articles.
Objectives:After the completion of the course, the student shall be able to:
- Practice workshop safety rules effectively
- Acquire knowledge and use simple hand tools
- Acquire knowledge and use simple measuring and gauging instruments
- Operate simple drilling machines for producing small holes
- Operate various machine tools for producing simple metal components and articles
- Acquire knowledge and practice on foundry, forging and welding
- General safety Considerations(2 hours)
- Bench Tools
- Machinist’s Hammers
- Screw Drivers
- Punches
- Chisels
- Scrapers
- Scribers
- Files
- Pliers and Cutters
- Wrenches
- Hacksaw
- Bench Vise
- Hand Drill
- Taps and Dies
- Hand Shears
- Rules,Tapes and Squares
- Soldering Iron
- Rivets
- Hand Working Operations(1 hour)
- Sawing
- Filing
- Threading
- Scribing
- Shearing
- Soldering
- Riveting
- Measuring and Gauging(1 hour)
- Introduction
- Semi–Precision Tools: Calipers, Depth Gauge, Feeler Gauge
- Precision Tools: Micrometers, Vernier Calipers, Vernier Height Gauge, Telescopic Gauge, Hole Gauge, Bevel Protractor, Dial Indicator, Gauge Blocks and Surface Plate
- Drills and Drilling Processes(1 hour)
- Introduction
- Types of Drill Presses
- Work Holding Devices and Accessories
- Cutting Tools
- Geometry of Drill Bits
- Grinding of Drill Bits
- Operations: Drilling, Counter-boring, Counter-sinking, Reaming, Honning, Lapping
- Cutting Speeds
- Drilling Safety
- Machine Tools(4 hours)
- General Safety Considerations
- Engine Lathes
- Introduction
- Physical Construction
- Types of Lathe
- Lathe Operations: Facing, Turning, Threading
- Shapers
- Introduction
- Types of Shapers
- Physical Construction
- General Applications
- Milling Machines
- Introduction
- Types of Milling Machines
- Physical Construction
- Milling Cutters: Plain, Side, Angle, End, Form
- Milling Operations: Plain, Side, Angular, Gang, End, Form, Keyway
- Work Holding Devices
- Cutter Holding Devices
- Grinding Machines
- Abrasives, Bonds, Grinding Wheels
- Rough Grinders: Portable Grinders, Bench Grinders, Swing Frame Grinders, Abrasive Belt Grinders
- Precision Grinders: Cylindrical Grinders, Surface Grinders
- Material Properties(1 hour)
- Tool materials: Low, medium and high carbon steels; Hot and cold rolled steels; Alloy steels; Carbide and Ceramic materials
- Heat treating methods for steels: Annealing, Tempering, Normalizing, Hardening and Quenching
- Non–ferrous metals: Brass, Bronze, Aluminum; Comparative Properties
- Sheet Metal Works(1 hour)
- Introduction
- Sheet Metal Tools
- Marking and Layout
- Operations: Bending, Cutting, Rolling
- Foundry Practice(1 hour)
- Introduction
- Pattern Making
- Foundry Tools
- Core Making
- Melting Furnace – Cupola
- Sand Casting Process
- Forging Practice(1 hour)
- Introduction
- Forging Tools
- Operations: Upsetting, Drawing, Cutting, Bending, Punching
- Forging Presses and Hammers
- Advantages and Limitations
- Metal Joining(2 hours)
- Safety Considerations
- Introduction
- Soldering
- Brazing
- Welding: Gas Welding, Arc Welding, Resistance Welding, Tungsten Inert Gas Welding (TIG), Metal Inert Gas Welding (MIG)
Workshop Practice: 3 hours/week; 15 weeks:
- Bench Tools and Hand operations: Measuring, Marking, Layout, Cutting, Filling, Drilling, Tapping, Assembly
- Bench Tools and hand operations: (Contd.)
- Drilling machines
- Measuring and Gauging Instruments
- Engine lathe: Basic operations such as Plain turning, facing, cutting off, knurling
- Engine lathe: Taper turning, drilling and boring
- Basic Shaper Operations
- Milling Machines
- Grinding Machines
- Sheet Metal works
- Foundry Practice
- Forging Practice
- Electric Arc Welding
- Gas Welding
- “Shop Theory”, J. Anderson and E. E. Tatro, McGraw – Hill, 5th Edition, 1942
- “Machine shop operations and setups”, O. D. Lascoe, C. A. Nelson and H. W. Porter, American Technical society, 1973
- “Machine shop Practice – Vol. I” , Industrial Press, New York, 1971
- “Machine shop Practice – Vol. I” , Industrial Press, New York, 1971
- “ Technology of Machine Tools”, Mc Graw Hill – Ryerson, 3rd Edition
- “Machinery’s Handbook”, Oberg, Jones and Horton, 23rd Edition, Industrial Press, New York.
- “Elements of Workshop Technology - Vol. I ( Manufacturing Processes)” – S. K. Hajra Choudhury and A. K. Hajra Choudhury – Media Promoters and Publishers Pvt. Ltd. , Bombay, INDIA, Tenth Edition, 1993
- “Elements of Workshop Technology - Vol. II: (Machine Tools)” – S. K. Hajra Choudhury, S. K. Bose and A. K. Hajra Choudhury – Media Promoters and Publishers Pvt. Ltd. , Bombay, INDIA, Eight Edition, 1988
- “A Course in Workshop Technology - Vol. I” – Prof. B. S. Raghuwanshi – Dhanpat Rai and Co. (P) Ltd, Delhi, INDIA, Ninth Edition, 2002
- “A Course in Workshop Technology - Vol. II” – Prof. B. S. Raghuwanshi – Dhanpat Rai and Co. (P) Ltd, Delhi, INDIA, Ninth Edition, 2002
- “Workshop Technology - Vol. I” – H. S. Bawa – Tata Mc – Graw Hill publishing company Limited, New Delhi, INDIA,
- “Workshop Technology - Vol. II” – H. S. Bawa – Tata Mc – Graw Hill publishing company Limited, New Delhi, INDIA,
- "A text book of Workshop Technology" - R. S. Khurmi and J. K. Gupta - S. Chand and Company Ltd, New Delhi. INDIA