Machine Design II (181902)  


Syllabus

Sr. Topics Teaching Hours Module Weightage
1
SPUR GEARS AND PARALLEL AXIS HELICAL GEARS:
Gear Terminology, Speed ratios and number of teeth, Force analysis, Tooth stresses, Dynamic effects, Fatigue strength, Factor of safety, Gear materials, Module and Face width-power rating calculations based on strength and wear considerations
Parallel axis Helical Gears :
Pressure angle in the normal and transverse plane, Equivalent number of teeth-forces and stresses. Estimating the size of the helical gears.
2
BEVEL AND WORM GEARS:
Straight and spiral bevel gear: Tooth terminology, tooth forces and stresses, equivalent number of teeth. Estimating the dimensions of pair of straight and spiral bevel gears. Worm Gear: Merits and demerit, - terminology, Thermal capacity, materials, forces and stresses, efficiency, estimating the size of the worm gear pair.
3
DESIGN OF GEAR BOXES:
Geometric progression - Standard step ratio - Ray diagram, kinematics layout - Design of sliding mesh gear box -Constant mesh gear box, Design of multi speed gear box.
4
DESIGN OF I .C. ENGINE COMPONENTS:
Selection of type, general design consideration, design of cylinder, cylinder liner, cylinder head, pistons, connecting rod, crank shaft, valves gears mechanism, flywheel.
5
DESIGN OF MATERIAL HANDLING EQUIPMENTS:
Introduction: material handling equipments, classification and their selection. Concept of material handling system design.
Lifting Equipments: classification and selection and design of hooks, sheaves, drums and grab buckets. Classification of cranes, construction working of different types of conveyors, feeders and elevators.
Conveying equipments: classification construction and working of different types of conveyors, feeders and elevators. Design of belt conveyors, screw conveyors and vibratory conveyors.