ME6601 DESIGN OF TRANSMISSION SYSTEMS L T P C
3 0 0 3
OBJECTIVES:
- To gain knowledge on the principles and procedure for the design of Mechanical power
Transmission components.
- To understand the standard procedure available for Design of Transmission of Mechanical elements
- To learn to use standard data and catalogues
(Use of P S G Design Data Book permitted)
UNIT I DESIGN OF FLEXIBLE ELEMENTS 9
Design of Flat belts and pulleys - Selection of V belts and pulleys – Selection of hoisting wire ropes and pulleys – Design of Transmission chains and Sprockets.
UNIT II SPUR GEARS AND PARALLEL AXIS HELICAL GEARS 9
Speed ratios and number of teeth-Force analysis -Tooth stresses - Dynamic effects – Fatigue strength
- Factor of safety - Gear materials – Design of straight tooth spur & helical gears based on strength and wear considerations – Pressure angle in the normal and transverse plane- Equivalent number of
teeth-forces for helical gears.
UNIT III BEVEL, WORM AND CROSS HELICAL GEARS 9
Straight bevel gear: Tooth terminology, tooth forces and stresses, equivalent number of teeth. Estimating the dimensions of pair of straight bevel gears. Worm Gear: Merits and demerits- terminology. Thermal capacity, materials-forces and stresses, efficiency, estimating the size of the worm gear pair. Cross helical: Terminology-helix angles-Estimating the size of the pair of cross helical gears.
UNIT IV GEAR BOXES 9
Geometric progression - Standard step ratio - Ray diagram, kinematics layout -Design of sliding mesh gear box - Design of multi speed gear box for machine tool applications - Constant mesh gear box - Speed reducer unit. – Variable speed gear box, Fluid Couplings, Torque Converters for automotive applications.
UNIT V CAMS, CLUTCHES AND BRAKES 9
Cam Design: Types-pressure angle and under cutting base circle determination-forces and surface stresses. Design of plate clutches –axial clutches-cone clutches-internal expanding rim clutches- Electromagnetic clutches. Band and Block brakes - external shoe brakes – Internal expanding shoe brake.
OUTCOMES:
TOTAL : 45 PERIODS
- Upon completion of this course, the students can able to successfully design transmission components used in Engine and machines
TEXT BOOKS:
- Bhandari V, “Design of Machine Elements”, 3rd Edition, Tata McGraw-Hill Book Co, 2010.
- Joseph Shigley, Charles Mischke, Richard Budynas and Keith Nisbett “Mechanical
Engineering Design”, 8th Edition, Tata McGraw-Hill, 2008.
REFERENCES:
- Sundararajamoorthy T. V, Shanmugam .N, “Machine Design”, Anuradha Publications, Chennai, 2003.
- Gitin Maitra, L. Prasad “Hand book of Mechanical Design”, 2nd Edition, Tata McGraw-Hill,
2001.
- Prabhu. T.J., “Design of Transmission Elements”, Mani Offset, Chennai, 2000.
- C.S.Sharma, Kamlesh Purohit, “Design of Machine Elements”, Prentice Hall of India, Pvt. Ltd.,
2003.
- Bernard Hamrock, Steven Schmid, Bo Jacobson, “Fundamentals of Machine Elements”,
2nd Edition, Tata McGraw-Hill Book Co., 2006.
- Robert C. Juvinall and Kurt M. Marshek, “Fundamentals of Machine Design”, 4th Edition, Wiley,
2005
- Alfred Hall, Halowenko, A and Laughlin, H., “Machine Design”, Tata McGraw-Hill
BookCo.(Schaum’s Outline), 2010
- Orthwein W, “Machine Component Design”, Jaico Publishing Co, 2003.
- Ansel Ugural, “Mechanical Design – An Integral Approach", 1st Edition, Tata McGraw-Hill
Book Co, 2003.
- Merhyle F. Spotts, Terry E. Shoup and Lee E. Hornberger, “Design of Machine Elements”
8th Edition, Printice Hall, 2003.
- U.C.Jindal : Machine Design, "Design of Transmission System", Dorling Kindersley, 2010
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