Design of Machine Elements (MEE3001)
Credits : 3
Topics Included: *Introduction to Design process. Factors, Materials selection, direct Bending and Torsional stress equation. Impact and Shock loading, Factor of safety and Design stress. Theories of failures. *
Topics Included: Stress concentration and theoretical stress concentration factor. Size factor, Surface limits factor, fatigue stress concentration factor and notch sensitivity. Variable and cyclic loads, Fatigue strength. S-N curve and Continued cyclic stress. Soderberg and Goodman equations.
Topics Included: Stresses and deflections of helical springs , extension, compression springs, springs for fatigue loading and energy storage capacity. Helical torsion springs, Flat Spiral Springs and leaf springs. Computer aided design of springs.
Topics Included: Riveted, Welded and Bolted Joints, Computer aided design of joints.
Topics Included: Design of keys, stresses in keys, cotter joints. Spigot and socket, sleeve and cotter, jib and cotter joints, knuckle joints.
Topics Included: Design of solid and hollow shafts for strength and rigidity, design of shafts for combined bending and axial loads, shaft sizes. Computer aided design of shafts and analysis. Design of couplings, Rigid Muff, Split muff and Flange couplings, Flexible Oldham, Universal couplings. Computer aided design of Couplings.
Topics Included: Design of Piston, Connecting rod, Crankshaft, Flywheel.