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To expose the students the different mechanisms, their method of working, Forces involved and consequent vibration during working
UNIT I MECHANISMS
Machine Structure Kinematic link, pair and chain Grueblers criteria Constrained motion Degrees of freedom - Slider crank and crank rocker mechanisms Inversions Applications Kinematic analysis of simple mechanisms Determination of velocity and acceleration.
UNIT II FRICTION
Friction in screw and nut Pivot and collar Thrust bearing Plate and disc clutches Belt (flat and V) and rope drives. Ratio of tensions Effect of centrifugal and initial tension Condition for maximum power transmission Open and crossed belt drive.
UNIT III GEARING AND CAMS
Gear profile and geometry Nomenclature of spur and helical gears Gear trains: Simple, compound gear trains and epicylic gear trains - Determination of speed and torque- Cams Types of cams Design of profiles Knife edged, flat faced and roller ended followers with and without offsets for various types of follower motions
UNIT IV BALANCING
Static and dynamic balancing Single and several masses in different planes Balancing of reciprocating masses- primary balancing and concepts of secondary balancing Single and multi cylinder engines (Inline) Balancing of radial V engine direct and reverse crank method.
UNIT V VIBRATION
Free, forced and damped vibrations of single degree of freedom systems Force transmitted to supports Vibration isolation Vibration absorption Torsional vibration of shaft Single and multi rotor systems Geared shafts Critical speed of shaft.
Please find the complete ebook attached for downloading...
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thank you so much
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what kind of things ican post here...?????