What you'll learn
Basics of machines, mechanisms, kinematic links and joints
Mobility of a Mechanism and Calculating the Degrees of Freedom
Inversions of a Four-bar Chain and Grashof' s Law
Inversions of a single slider crank chain - Quick Return Motion Mechanisms, Rotary and Oscillating Cylinder Engine, Hand-Pump
Inversions of a double slider crank chain - Elliptical Trammel, Scotch Yoke and Oldham Coupling
Requirements
No prior knowledge is required. Everything will be taught starting with the required basic knowledge
Description
Kinematics of Machines is an important subject for people aspiring to be mechanical engineers and discusses about the relative motion of various elements in a machine. The subject also describes how the structural design of a mechanical system can be optimized to produce a desired motion of its elements and achieve better performance. Kinematics of machines has great practical applications in designing machines used in different industries such as manufacturing, textile, mining and aerospace etc. The present course (Kinematics of Machines - Part I) covers only the first module discussed in the course-overview video and has been designed to introduce the subject basics to the learners. The course material has been described systematically supported with properly curated video lectures, PDF lecture notes and quizzes. The concepts in the course have been elaborated using real life applications, animations of machine elements and schematics diagrams and solved numerical problems.Topics that will be covered in the course are listed as follows: 1. Kinematics, Machine, Mechanism, Kinematic links and Kinematic pairs, 2. Mobility of a Mechanism, Computation of Degrees of Freedom, Kutzbach and Grubler Criteria, Solved Numerical Problems, 3. Four-bar chain and its inversions, Grashof Law, Coupled wheels of a locomotive, Beam Engine, Watt's straight line mechanism, Ackermann Steering Mechanism, 4. Slider Crank Chain and its inversions, Rotary Engine, Whitworth Quick Return Motion Mechanism, Oscillating cylinder engine, Crank and slotted lever mechanism and Hand-pump mechanism, Solved Numerical Problems, 5. Double Slider-Crank Chain, Elliptical trammel, Scotch Yoke mechanism, Oldham Coupling.Course material that will be provided to the learners include, 1. Pre-recorded video lectures, 2. Lecture PDF files, 3. Quizzes in between the lecture sessions.
Overview
Section 1: Introduction and Course Overview
Lecture 1 Course Overview
Section 2: Mechanisms, Kinematic links and Kinematic Pairs
Lecture 2 Mechanics, Kinematics and Kinetics
Lecture 3 Why studying kinematics of machines is important
Lecture 4 Machine and Mechanism
Lecture 5 Link, Rigid and Resistant bodies
Lecture 6 Kinematic Pairs, Lower and Higher pairs
Lecture 7 Sliding, Turning, Cylindrical, Screw, Rolling and Spherical Kinematic Pairs
Lecture 8 Closed and Unclosed kinematic pairs
Lecture 9 Kinematic Chain, Mechanism and Structure
Lecture 10 Higher order kinematic joints/pairs
Lecture 11 Completely, Incompletely and Successfully constrained motion
Section 3: Mobility of a Mechanism and Degrees of Freedom
Lecture 12 Mobility of a Mechanism and Degrees of Freedom of various kinematic pairs
Lecture 13 Degrees of Freedom of a Mechanism, Kutzbach and Grubler criteria
Lecture 14 Redundant Degrees of Freedom, Redundant kinematic link and pairs
Lecture 15 Numerical Problem 1 - Degrees of Freedom
Lecture 16 Numerical Problem 2 - Degrees of Freedom
Lecture 17 Numerical Problem 3 - Degrees of Freedom
Section 4: Four bar mechanism and its Inversions
Lecture 18 Four-bar chain and Grashof Law
Lecture 19 Inversions of a Four-bar Chain
Section 5: Slider-Crank Chain and its inversions
Lecture 20 First Inversion | Slider-Crank Chain | Reciprocating Engine & Compressor
Lecture 21 Slider-Crank Chain | Second Inversion | Whitworth Quick Return Motion Mechanism
Lecture 22 Slider-Crank Chain | Second Inversion | Rotary Engine
Lecture 23 Slider Crank chain | Third Inversion | Crank and Slotted lever mechanism
Lecture 24 Slider Crank Chain | Fourth Inversion Hand-Pump Mechanism
Lecture 25 Numerical Problem 4 | Whitworth Quick Return Motion Mechanism
Lecture 26 Numerical Problem 5 | Crank and Slotted Lever Quick Return Motion Mechanism
Section 6: Double-Slider Crank Chain and its Inversions
Lecture 27 Double Slider Crank Chain | First Inversion | Elliptical Trammel
Lecture 28 Double Slider Crank Chain | Second Inversion | Scotch Yoke Mechanism
Lecture 29 Double Slider Crank Chain | Third Inversion | Oldham Coupling
Students pursuing B. Tech in Mechanical Engineering, Students preparing for the GATE-Examination, Mechanical Engineers,


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