ME 1703: MACHINE DESIGN-II 

Syllabus

Module I 
Design of Clutches : Friction clutches, uniform wear and uniform pressure assumptions, centrifugal clutches. Brakes : Design of internal expansion elements, assumptions, design of external contraction elements, band type brakes. Belt and chain drives : flat belts, V-Belts, roller chain. 

Module II 
Design of Gears : Spur, helical, bevel and worm gears-tooth loads, design stresses, basic tooth stresses, stress concentration, overload factor, velocity factor, bending strength of gear teeth, Buckingham equation for dynamic load, surface durability, surface strength, heat dissipation, gear material, design for strength and wear, gear box design(description only). 

Module III 
Bearings and lubrication: types of lubrication, viscosity, journal bearing with perfect lubrication, hydrodynamic theory, design factors, bearing load, bearing dimensions, journal bearing design. Ball and roller bearings- bearing life, static and dynamic capacity, selection of bearings with axial and radial loads, bearing materials used. Thrust bearings, lubrication, wear of metal, adhesive wear, abrasive wear, corrosion wear, fatigue and impact wear, measurement of friction and wear. 

Module IV 
Product design for manufacturing : general design recommendations for rolled sections, forgings, screw machine parts, turned parts, machined round holes, parts produced on milling machines, welded parts, castings etc., Modification of design for manufacturing easiness for typical products – preparation of working drawings for manufacture of parts with complete specifications including manufacturing details like tolerance, surface finish. 

Data books allowed for Examination: 
1.Mahadevan & Balaveera Reddy : Design Data Hand Book 
2.Dr. Linghaigh & Prof. Narayana Iyengar, Vol.1 & 2 : Design Data Hand Book 
3.P.S.G. Tech : Design Data Hand Book 

References: 
1) J.E.Shigley : Mechanical engineering design, McGraw Hill 
2) James G.Bralia :Handbook of product design for manufacturing, McGraw Hill 
3) Bhandari : Design of machine elements (TMH) 
4) V.I.Doughtie : Design of machine elements – McGraw Hill 
5) Siegel, Maleev : Machine design of machines-International and Hartman text book Co. 
6) J.Myatt : Machine design, McGraw Hill 
7) Sadhu Singh :Machine Design 
8) Pandya & Shah :Machine Design 
9) Design of machine elements Vol II , T Krishna Rao, IK International Publishing House, New Delhi 

Type of Questions for University Exam.
Q 1.Eight short answer questions of 5 marks with two questions from each of the four modules. (8x5 = 40 marks) 
Q 2. to Q.5 : Two questions A & B of 15 marks from each modules with option to answer either A or B. (4x15 = 60 marks)