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Note for Design of Machine Elements - DME By Digbijay Patil

  • Design of Machine Elements - DME
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DEPT. OF MECHANICAL ENGINEERING MVJCE 06ME61 – DESIGN OF MACHINE ELEMENTS II VI SEMESTER 1 COURSE DIARY

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DEPT. OF MECHANICAL ENGINEERING MVJCE SYLLABUS Sub Code: 06ME61 Hours / Week: 4 Total Lecture Hrs: 62 Exam Hours: 3 I A Marks: 25 Exam Marks: 100 PART - A UNIT 1: CURVED BEAMS: Stresses in curved beams of standard cross sections used in crane hook, punching presses & clamps, closed rings andlinks. (5 Hours) UNIT 2: CYLINDERS & CYLINDER HEADS: Review of Lame’s Equations; compound cylinders, stresses due to different types of fits, cylinder heads,flats. (5 Hours) UNIT 3: SPRINGS: Types of springs - stresses in Helical coil springs of circular and non-circular cross sections. Tension and compression springs, springs under fluctuating loads, Leaf Springs: Stresses in leaf springs. Equalized stresses, – Energy stored in springs, Torsion, Belleville andRubber springs. (8 Hours) UNIT 4: SPUR & HELICAL GEARS: Spur Gears: Definitions, stresses in gear tooth: Lewis equation and form factor, Design for strength, Dynamic load and wear load. Helical Gears: Definitions, formative number of teeth, Design based on strength, dynamic and wear loads. (8 Hours) PART - B UNIT 5: BEVEL AND WORM GEARS: Bevel Gears: Definitions, formative number of teeth, Design based on strength, dynamic and wear loads. Worm Gears: Definitions, Design based on strength, dynamic, wear loads and efficiency of worm gear drives. (7 Hours) UNIT 6: CLUTCHES & BRAKES: Design of Clutches: Single plate, multi plate and cone clutches. Design of Brakes: Block and Band brakes: Self locking of brakes: Heat generation in Brakes. (7 Hours) UNIT 7: LUBRICATION AND BEARINGS: Lubricants and their properties, Mechanisms of Lubrication bearing modulus, coefficient of friction, minimum oil film thickness, Heat Generated, Heat dissipated, Bearing Materials, Examples of journal bearing and thrust bearing design. (7 Hours) UNIT 8: BELTS ROPES AND CHAINS: Flat belts: Length & cross section, Selection of V-belts, ropes and chains for different applications. (5 Hours) VI SEMESTER 2 MVJCE

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DEPT. OF MECHANICAL ENGINEERING MVJCE Design Data Hand Books: 1. Design Data Hand Book – K. Lingaiah, McGraw Hill, 2nd Ed.2003. 2. Design Data Hand Book by K. Mahadevan and K.BalaveeraReddy, CBS Publication 3. Machine Design Data Hand Book by H. G. Patil, Shri ShashiPrakashan, Belgaum. TEXT BOOKS: 1. Mechanical Engineering Design: Joseph E Shigley and Charles R.Mischke. McGraw Hill International edition, 6th Edition 2003. 2. Design of Machine Elements: V.B. Bhandari, Tata McGraw Hill Publishing Company Ltd., New Delhi, 2nd Edition 2007. REFERENCE BOOKS: 1. Machine Design: Robert L. Norton, Pearson Education Asia, 2001. 2. Design of Machine Elements: M. F. Spotts, T. E. Shoup, L. E. Hornberger, S. R. Jayram and C. V. Venkatesh, Pearson Education,2006. 3. Machine Design: Hall, Holowenko, Laughlin (Schaum’s Outlines series) Adapted by S. K. Somani, Tata McGraw Hill Publishing Company Ltd., New Delhi, Special Indian Edition, 2008. 4. Machine Design: A CAD Approach: Andrew D DIMAROGONAS, VI SEMESTER 3 MVJCE

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DEPT. OF MECHANICAL ENGINEERING MVJCE LESSON PLAN Sub Code: 06ME61 Sub: Design of Machine Elements-II Period No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Hours / Week: 04 Total Hours: 62 Topic To be Covered Remarks UNIT:1 CURVED BEAMS Introduction to curved beams. Stresses in curved beams of standard cross sections used in crane hook. Stresses in punching presses and clamps. Stresses in closed rings and links. Problems UNIT:2 CYLINDERS & CYLINDER HEADS Introduction to Cylinder and Cylinder Heads Lames equation Compound cylinder Stresses due to different types of fits Stresses due to different types of cylinder heads & flats Problems UNIT:3 SPRINGS Introduction to Springs. Types of springs Stresses in Helical coil springs of circular and non-circular cross sections Tension and compression springs Springs under fluctuating loads, – Energy stored in springs and problems Torsion, Belleville and Rubber springs and Problems. Leaf Springs: Stresses in leaf springs, Equalized stresses. Problems Problems UNIT:4 SPUR & HELICAL GEARS Introduction to spur and helical gears Definitions, stresses in gear tooth. Lewis equation and form factor. Design for strength, Dynamic load and wear load. Problems Helical Gears: Definitions, formative number of teeth Design based on strength, dynamic and wear loads Problems UNIT:5 BEVEL AND WORM GEARS Bevel Gears: Definitions, formative number of teeth Design based on strength, dynamic and wear loads Problems on Bevel Gears. VI SEMESTER 4 MVJCE

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