Design of Machine Elements

Course IDCourse NameInstructorRoom NumbessrTime
ME3350 Design of Machine ElementsMANOJ PANDEY; P. RAMKUMARMSB 243Slot-F

Course Contents

  • Introduction to Design Review of Failure theories (Static and Fatigue) – 3
  • Shafts and couplings :- Design of Shafts, keys and keyways, Couplings (Self Study) – 4
  • Bearings: Theories of lubrication to motivate design of rolling element bearings and hydrodynamic bearings, Design of hydrodynamic bearings for various types of shaft loadings and end conditions, Choice of rolling element bearings from charts – 7
  • Gears: Review of Basic of gear nomenclature of spur, helical, bevel and worm and worm gears – 3
  • Design of gears (Spur gears):- Stresses induced in gears, Lewis bending equations, AGMA based calculation of pitting and bending stresses and strengths, Calculation of appropriate safety factors and power rating, Design of spur gears for simple power transmission – 6
  • Overview of procedures involved in design of helical, bevel and worm gears. Special requirements in these types of gears are to be emphasized without going into the details – 3
  • Design of Springs:
    • Basic spring nomenclature:- Forces deflectiion and stiffness, Various spring configurations, Materials for Spring – 1
      Designing of helical compression springs for static and fatigue loads – 3
  • Design of Belts: Nomenclature, types of drives, derivation of belting equation, Design of flat belt and ‘V’ belt for simple power transmission between shafts. Choices of pulleys appropriate for the drives – 4
  • Design of fasteners, rivets and dowel pins:
    • Nomenclature for bolts and screws, Concept of friction between threads. Choice of appropriate bolts, screws for joining simple mechanical members which are then subjected to tensile, compressive and torsional loading, Preloading of bolted assembly, Design of bolts for static and dynamic loads. Concept of joint stiffness factor – 4
  • Choices of rivets and dowel pins for taking shear loads, Determining shear loads, for various types of eccentric loading conditions – 3

 

Text/Reference Books

1. Machine Design, An Integrated Approach,by, Robert L. Norton, Second Edition
2. Shigley’s Mechanical Engineering Design, by Richard Budynas (Author), Keith Nisbett (Author)