UNIT 1:
General consideration in machine design-strength properties of engineering materials. Limits and tolerances-
types of fits-simple stresses in machine elements-tension-compression-shear and bearing stresses
Torsional and bending stresses in machine parts
torsional stresses in shafts
bending stresses in beams
Theories of failure-Rankine’s theory, Guest theory, Saint Venants theory and Von Mises theory.
Theories of failure-Rankine’s theory, Guest theory, Saint Venants theory
Theories of failure-Rankine’s theory, Guest theory, Saint Venants theory and Von Mises theory.
UNIT 2:
transverse and parallel strength of fillet
welded joints-types of welded joints
Design of permanent joints
design of threaded fasteners
stresses in screwed fastening due to static loading.
stresses in screwed fastening due to static loading.
UNIT 3:
design of sleeve coupling and flange coupling
Design of cotter and knuckle joints
shafts subjected to torsion,bending and combined stresses.
shafts subjected to torsion,bending and combined stresses.
UNIT 4:
Linkages-basic definitions-different types of mechanisms and their applications-instantaneous center of rotation for four bar mechanisms
determination of velocities in 4 bars and slider crank mechanism
acceleration in mechanisms.
Flywheel –fluctuation of speed and energy- energy stored in flywheel.
UNIT 5:
Gears-classification-gear terminology-law of gearing
design of spur and bevel gear based on Lewis and Buckingham equation.
Springs -types of springs-design of helical springs.
Belt drives-flat belts-Euler’s formula
V-belt design-power calculation and selection
chain drive-components-design.
