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Design of Machine Elements

102601

6 modules · 27 topics

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Module 1Introduction to Design8 topics
  • Steps in design process
  • Design factors
  • Practical considerations in design
  • Selection of materials
  • Strength of mechanical elements
  • Impact load, shock load, and fatigue loading
  • Effects of surface, size, temperature, and stress concentration
  • Consideration of creep and thermal stress in design
Module 2Design of Shafts7 topics
  • Stresses in shafts
  • Design for static loads
  • Combined stresses
  • Reversed bending and steady loads
  • Design of shafts based on deflection and strength
  • Critical speed of shafts
  • Analysis and design of sliding and rolling contact bearings
Module 3Joints3 topics
  • Riveted joints: stresses; design with central and eccentric loads; boiler and tank joints; structural joints
  • Bolted joints: stresses; design with central and eccentric loads
  • Welded joints: types; stresses; design under axial, torsional, and bending loads; welds subjected to fluctuating loads
Module 4Design of Clutches and Brakes2 topics
  • Friction clutches; uniform wear and uniform pressure assumptions; centrifugal clutches
  • Brakes: design of internal expansion elements and assumptions; design of external contraction elements; band-type brakes
Module 5Design of Transmission Elements1 topics
  • Spur, helical, bevel, and worm gears
Module 6Springs6 topics
  • Stresses in helical springs
  • Deflection of helical compression and tension springs
  • Springs subjected to fatigue loading
  • Concentric and helical torsion springs
  • Critical frequency of springs
  • Leaf springs and design of automotive leaf springs
Theory