JNTUK R20 B.Tech Mechanical 2-1 Kinematics of Machinery Material/ Notes PDF Download

JNTUK R20 B.Tech Mechanical 2-1 Kinematics of Machinery Material/ Notes PDF Download: The JNTUK R20 B.Tech Mechanical 2-1 Kinematics of Machinery Material provides students with a clear understanding of how machinery moves and operates. In this course, students learn about velocity and acceleration diagrams, study different types of mechanisms and joints, and explore the use of cams in various applications.

They also get to know about different power transmission devices like belts, ropes, chains, and gears, and understand their advantages and disadvantages. With practical knowledge and study of JNTUK R20 B.Tech Mechanical 2-1 Kinematics of Machinery Notes available in PDF format, students can easily grasp the concepts and apply them in real-world scenarios.

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JNTUK R20 B.Tech Mechanical 2-1 Kinematics of Machinery Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Kinematics of Machinery Material

Mechanism: Elements or Links – Classification – Rigid Link, flexible and fluid link – Types of kinematic pairs – sliding, turning, rolling, screw and spherical pairs – lower and higher pairs – closed and open pairs – constrained motion – completely, partially or successfully constrained and incompletely constrained. Grashoff’s law, Degrees of freedom, Kutzbach criterion for planar mechanisms, Mechanism, and machines – classification of machines – kinematic chain – inversion of mechanism – inversions of quadric cycle chain – single and double slider crank chains.

Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Kinematics of Machinery Material

Lower Pair Mechanism: Exact and approximate copiers and generated types – Peaucellier, Hart and Scott Russell – Grasshopper – Watt T. Chebicheff and Robert Mechanisms and straight line motion, Pantograph. Conditions for correct steering – Davis Steering gear, Ackerman’s steering gear – velocity ratio; Hooke’s Joint: Single and double – Universal coupling–application–problems.

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Kinematics of Machinery Material

Kinematics: Velocity and acceleration – Motion of a link in the machine – Determination of Velocity and acceleration diagrams – Graphical method – Application of relative velocity method four bar chain. Velocity and acceleration analysis of for a given mechanism, Klein’s construction, determination of Coriolis component of acceleration. PLANE MOTION OF BODY: Instantaneous center of rotation, centroids, and exudes – relative motion between two bodies – Three centers in line theorem – Graphical determination of instantaneous center, diagrams for simple mechanisms, and determination of angular velocity of points and links.

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Kinematics of Machinery Material

CAMS: Definitions of cam and followers – their uses – Types of followers and cams – Terminology – Types of follower motion: Uniform velocity, Simple harmonic motion and uniform acceleration and retardation. Maximum velocity and maximum acceleration during outward and return strokes in the above 3 cases. Analysis of motion of followers: Roller follower – circular cam with straight, concave and convex flanks. BELT DRIVES: Introduction, Belt and rope drives, selection of belt drive- types of belt drives, V-belts, materials used for belt and rope drives, velocity ratio of belt drives, slip of belt, creep of belt, tensions for flat belt drive, angle of contact, centrifugal tension, maximum tension of belt, Chains- length, angular speed ratio, classification of chains.

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Kinematics of Machinery Material

Gears: Higher pairs, friction wheels, and toothed gears–types – law of gearing, condition for constant velocity ratio for transmission of motion, Form of teeth: cycloidal and involute profiles. Velocity of sliding – phenomena of interferences – Methods of interference. Condition for a minimum number of teeth to avoid interference, expressions for arc of contact and path of contact – Introduction to Helical, Bevel, and worm gearing.

Gear Trains: Introduction to gear Trains, Train value, Types – Simple and reverted wheel train – Epicyclic gear Train. Methods of finding train value or velocity ratio – Epicyclic gear trains. Selection of gear box- differential gear for an automobile.

JNTUK R20 B.Tech Kinematics of Machinery Material – Outcomes

• Design a Mechanism with a Single Degree of Freedom: Create a mechanism that moves in a single direction. This could be like a simple door hinge that swings open and closed.
• Design Mechanisms for Straight Line and Steering Motions: Suggest and examine mechanisms that move in a straight line, like a piston in an engine, or the steering mechanism in a car. Analyze how they work and their effectiveness.
• Analyze Motion of Mechanisms: Study how mechanisms move, looking at their speed (velocity) and how fast they’re speeding up or slowing down (acceleration). This helps us understand how smoothly they operate.
• Design Mechanisms for Intermittent Motion: Create mechanisms that move on and off, like the opening and closing of valves in an engine. Examine how these mechanisms work and their efficiency.
• Select Power Transmission Systems: Choose the right system to transmit power for a specific purpose, like gears or belts in a machine. Analyze how these systems move and their effectiveness in transferring power.

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