Lecture Notes || SNS Courseware

Subject Details

Dept : MECH

Sem : 5

Regul : 2019

Faculty : Dr.V.S.Kaushik

phone : 6369443114

E-mail : kaushikvs84@gmail.com

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Lecture Notes

UNIT 1:

Basic Terminology - Kinematic link, Pair, joints, Structure – Machine.

Degree of freedom – Grubler & Kutzbach

Inversions of four bar mechanism

Transmission Angle

Inversion of single slider mechanisms

Inversion Double slider crank mechanisms

Common Mechanisms - Straight line mechanism, Dwell mechanism.

UNIT 2:

Relative velocity of kinematic link

Rubbing Velocity of kinematic pair

Construction of velocity and acceleration diagram by graphical method

Four bar mechanism

slider crank mechanisms

Introduction to commercial software packages for the development of models.

Four bar mechanism

UNIT 3:

Introduction - terminology, classifications, types of follower motion

Uniform Velocity Motion, Simple Harmonic Motion

Uniform Acceleration and Retardation Motion and Cycloidal Motion

Knife, Roller and flat faced follower

Theory of Gearing – gear nomenclature – law of gearing – tooth forms

Minimum number teeth – length of arc of contact – velocity and torque calculation- contact ratio and interference.

Gear trains: types –- Parallel axis and epicyclical gear trains.

UNIT 4:

Static Force Analysis

Free body diagrams, conditions of Force members

Inertia force in Reciprocating Engines –Crank shaft Torque.

Balancing of rotating mass by another mass in the plane

Lecture Notes