Theory of Machines| UNIT-2| TOM | ME3491| GEARS AND GEAR TRAINS| R2021

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In this video clearly explains to get a pass Theory of Machines, unit-2 GEARS AND GEAR TRAINS .
Unit: II
Unit: III
Unit:IV
Part-1: • Theory of Machines| UNIT-4| TOM | ME3...
Part-2: Soon
TOM syllabus:
UNIT – I
KINEMATICS OF MECHANISMS
Mechanisms – Terminology and definitions – kinematics inversions of 4 bar and slide crank chain – kinematics analysis in simple mechanisms – velocity and acceleration polygons– Analytical methods – computer approach – cams – classifications – displacement diagrams - layout of plate cam profiles – derivatives of followers motion – circular arc and tangent cams.
UNIT – II
GEARS AND GEAR TRAINS
Spur gear – law of toothed gearing – involute gearing – Interchangeable gears – Gear tooth action interference and undercutting – nonstandard teeth – gear trains – parallel axis gears trains – epicyclic gear trains –
automotive transmission gear trains.
UNIT – III
FRICTION IN MACHINE ELEMENTS
Surface contacts – Sliding and Rolling friction – Friction drives – Friction in screw threads – Bearings and lubrication – Friction clutches – Belt and rope drives – Friction aspects in brakes– Friction in vehicle propulsion
and braking.
UNIT – IV
FORCE ANALYSIS
Applied and Constrained Forces – Free body diagrams – static Equilibrium conditions – Two, Three and four members – Static Force analysis in simple machine members – Dynamic Force Analysis – Inertia Forces and
Inertia Torque – D’Alembert’s principle – superposition principle –dynamic Force Analysis in simple machine
members
UNIT – V
BALANCING AND VIBRATION
Static and Dynamic balancing – Balancing of revolving and reciprocating masses – Balancing machines – free vibrations – Equations of motion – natural Frequency – Damped Vibration – bending critical speed of simple shaft – Torsional vibration – Forced vibration – harmonic Forcing – Vibration isolation. (Gyroscopic principles)

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