Kinematics of Mechanisms and Machines | EveryEng

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Self-paced Beginner

Kinematics of Mechanisms and Machines

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1117 min

Anytime

English

1404 views

Team EveryEngMechanical Engineering

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Why enroll

Join our Kinematics of Mechanisms and Machines course to gain a solid foundation in analyzing and designing mechanical systems. Learn how linkages, gears, and cams work together to create precise and efficient motion. Discover techniques to maximize mechanical advantage while minimizing energy loss for reliable performance. Perfect for engineers and enthusiasts eager to optimize machines for real-world applications.

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Team EveryEng

Engineer

Mechanical Engineering

22+ yrs experience·India

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You should take this if

You work in Aerospace or Automotive
You're a Mechanical Engineering professional
You prefer self-paced learning you can revisit

You should skip if

You need a different specialisation outside Mechanical Engineering
You need live interaction with an instructor

Course details

This course offers a thorough introduction to the kinematics of mechanisms and machines. It emphasizes both the analysis and design of mechanical systems. Students will learn to describe the motion of various mechanical components accurately. They will study how different parts move relative to each other in mechanisms. The course also explores the relationships between motion, forces, and energy. Key kinematic principles will be explained and applied in practical contexts. Learners will gain skills to analyze complex mechanical systems efficiently. The course includes methods to optimize system performance through design. Hands-on examples and problem-solving exercises reinforce theoretical concepts. By the end, students will be equipped to design and evaluate mechanical systems effectively.

Source: IIT Kharagpur July 2018 (YouTube Channel)
Prof. Anirvan Dasgupta, Dept. of Mechanial Engg IIT Khargpur

Course suitable for

Key topics covered

Describe and analyze the motion of mechanical components using kinematic equations.
Understand the relationships between displacement, velocity, acceleration, and forces in mechanical systems.
Apply kinematic principles to design and optimize mechanical systems, including linkages, gears, and cam mechanisms.
Analyze and solve problems involving mechanical advantage, efficiency, and energy transfer.
Use graphical and analytical methods to model and analyze complex mechanical systems.

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

41 lectures18 hr 37 min

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Questions and Answers

Q: You're reviewing a slider-crank test report and searching "slider crank mechanism inertial force increase with speed" after the crank speed was raised 20% to meet cycle time. Bearing temperatures spiked and vibration increased. What downstream effect actually drives the DFMEA RPN up, and what's the least bad immediate response before SOP?

A: — confusing velocity effects with inertia loads. The difference matters because inertia terms climb with the square of speed, and that's what hammers bearings and spikes vibration. Lubrication tweaks feel intuitive, but they don't change the force balance you're exciting by overspeeding the mechanism.

Q: Your lead asks why a pin-jointed linkage in a humid enclosure failed early, so you google "fretting corrosion in pin joint mechanism humid environment". The motion amplitude is small, loads are cyclic, and there's no gross rotation. What's the dominant degradation mechanism to call out?

A: — the usual trap is assuming visible rust means uniform corrosion. Here the contact never really slides, it oscillates. That micro-motion chews through oxide layers and the environment finishes the job.

Q: You're staring at a GA and type "GD&T true position on linkage pin hole interpretation" because the assembly keeps binding. The drawing calls out ⌀0.1 true position to datums A|B on a pin hole, but the mating shaft uses a concentricity callout. What's the real inconsistency?

A: — that's the most common mistake, treating GD&T symbols as interchangeable. One controls where the feature lives in space, the other how its axis relates, and a linkage feels the difference as bind or lash.

Q: During a review you quickly search "estimate angular velocity of rocker in four bar mechanism". A four-bar has a 100 mm crank at 10 rad/s driving a rocker of similar length. Order-of-magnitude, what's the rocker's peak angular speed?

A: — people overthink this and forget to sanity-check. With comparable link lengths, the instantaneous velocity ratio doesn't explode, so you're living in the same decade as the input.