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Sunday, 14 February 2016

Theory of machines tom

Mechanisms and machines
Types of joints, Grubler, Kutzbach
Linkages, mechanisms
4 bar linkage, mech adv, transmission angle
Slider crank linkage
double slider crank linkage
Miscellaneous mechanisms
Lower pairs
Pantograph
Engine indicator
Steering gears
Hooke joint, double Hooke

Friction
inclined plane, screw thread
Pivots and collars
Clutches
Roller bearing
Journal bearing
Belts, ropes
Open and cross belt drives
Velocity ratio and slip
Law of belting
Power transmitted, centrifugal effect,  max power
Gears
Law of gearing,Teeth profiles, path of contact, art of contact, contact ratio, Interference in involute gears, minimum number of teeth
Gear trains
simple, compound, reverted, planetary or epicyclic gear trains, automotive transmission, differentials

Engine force analysis
Turning moment diagram, fluctuation of energy
Balancing of engines--primary and secondary

Cams
Flywheel
engine flywheel, punching press
Governors
Watt, Porter, Proell, Hartner, Hartung, Inertia governor
Sensitiveness, hunting, isochronism, stability, effort, power, controlling force

Vibrations
free longitudinal, damped vibrations, log decrement, Forced vibrations, Forced damped, MF
vibration isolation and transmissibility, Forcing due to unbalance,Forcing due to support motion

Notes on vibrations
Transverse vibrations
Torsional vibrations
free torsional, multifilar





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1 comment:

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