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NOTES OF LESSON FOR MECHANICS OF MACHINES
Neeraj Yadav

NOTES OF LESSON FOR MECHANICS OF MACHINES

Neeraj Yadav | 26-Feb-2016 |
MECHANISMS , Friction , GEARING AND CAMS , BALANCING , VIBRATION ,

Hi friends, here Neeraj Yadav uploaded notes for MECHANICS OF MACHINES with title NOTES OF LESSON FOR MECHANICS OF MACHINES. You can download this lecture notes, ebook by clicking on the below file name or icon.

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.

 

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