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Reddit mentions of Mechanisms and Mechanical Devices Sourcebook, 5th Edition

Sentiment score: 7
Reddit mentions: 12

We found 12 Reddit mentions of Mechanisms and Mechanical Devices Sourcebook, 5th Edition. Here are the top ones.

Mechanisms and Mechanical Devices Sourcebook, 5th Edition
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Found 12 comments on Mechanisms and Mechanical Devices Sourcebook, 5th Edition:

u/theholyraptor · 8 pointsr/engineering

Machine Design by Norton
Theory of Machines and Mechanisms by Shigley
are considered the two bibles on machine design and are common in machine design courses.

Materials Selection in Mechanical Design by Ashby

The Machinery's Handbook is a must have and I assume you already know about this.

Mechanisms and Mechanical Designs Sourcebook is good to help spark ideas or solve problems. There are other books along the same lines.

There's information on tolerancing and machining in The Machinery's Handbook especially. I'm not sure on other resources for those. There are books on manufacturing processes that'll discuss the tolerances capable and design limitations.

u/MITranger · 3 pointsr/robotics

Mechanical engineer, here. There is no substitute for actually building something, which it seems you're already doing. Outside of coursework and training, I would recommend the following resources:

FUNdaMENTALS of Design: You can download the PDF here. Tons of pictures and equations. This was the "course book" I used in undergrad @ MIT, and you can get it for free! Not really organized, per se, but one cool thing about it is that it's meant to be flipped through and printed double-sided. One side is always a birds-eye or holistic view, and the opposite side is always an in-depth and theoretical treatment of the topics. This is a great way to find out, "Wow! This exists, and here's what it's called!"

Mechanical Engineering Design: This is a pretty good primer on mechanical "stuff."

Mechanisms and Mechanical Devices Sourcebook: This is a great resource to keep handy. I look at this ALL the time, especially when I hit brick walls and need inspiration or fresh ideas.

Misumi: Pretty good place to get industrial-grade mechanical components... not sure about the prices for hobby-level stuff. They also have some good literature and tutorials here.


Hope it helps, and feel free to PM me if you have any questions.

Edit: primary != primer

u/floridawhiteguy · 3 pointsr/engineering

Get yourself a student edition of some Autodesk products - AutoCad and Inventor at the least - to practice CAD and drafting skills.

Some books about Mech Eng specifically:

http://www.amazon.com/Mechanisms-Mechanical-Devices-Sourcebook-Edition/dp/0071704426

http://www.amazon.com/Basic-Machines-How-They-Work/dp/0486217094

http://www.amazon.com/Engineering-Formulas-Kurt-Gieck/dp/0071457747

http://www.amazon.com/507-Mechanical-Movements-Mechanisms-Devices/dp/0486443604

http://www.amazon.com/Mechanical-Engineering-Principles-John-Bird/dp/0415517850

Don't forget about basic electricity, electronics, hydraulics and pneumatics too.

Get some hands-on experience with machine tools such as lathes and mills. Learn how to program CNC machines using G-code. Try to land a summer job at a factory or assembly plant for the experience. Learn how to make metal castings by watching some YouTube videos and visiting a local foundry.

Find some local ASME members to network with and seek a mentor. ASME also offers a limited free membership to college freshmen.

u/JonathanSCE · 2 pointsr/AskEngineers

I have the Mechanisms and Mechanical Devices Sourcebook, Amazon. I have the fourth edition, but the link is the fifth. It's a good book showing how to design them and has a ton of examples.

u/storm_the_castle · 2 pointsr/MechanicalEngineering

Mechanisms and Mechanical Devices Sourcebook might be nice.

Its like a museum of mechanisms. I like the 2nd Edition cover for a "coffee table book".

u/JohnnyStone83 · 2 pointsr/MechanicalDesign

I use this one a lot for inspiration when I need to design new mechanisms.

https://www.amazon.com/Mechanisms-Mechanical-Devices-Sourcebook-5th/dp/0071704426

u/mehi2000 · 2 pointsr/MechanicalEngineering

Well the whole field of what you are delving into is categorized as Kinematics and Dynamics, which is enormous.

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There are very many types of mechanical devices designed by various people throughout the world which can accomplish what you need.

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Many of them could be applied to your system and only you can fully determine what the "best" one is, depending on your requirements.

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This is a nice book to look through for ideas:

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https://www.amazon.com/Mechanisms-Mechanical-Devices-Sourcebook-5th/dp/0071704426/ref=sr_1_1?crid=2CRBTTO3RT6RC&keywords=mechanisms+and+mechanical+devices+sourcebook&qid=1557683532&s=gateway&sprefix=mechanisms+and+mechanical+%2Caps%2C143&sr=8-1

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As far as calculating things, it's extremely difficult without some knowledge of math and a little experience in applying said math to your design. This is pretty hard to do without formal education of at least the basics of these fields.

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For example, do you know how to isolate the elements of your design and draw a free body diagram of each of them, without making logical errors (which are pretty easy to do by the way).

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This is a basic engineering design method you need to use to perform calculations on your proposed designs. I don't think it could be well explained through a forum post. It would go much faster by having somebody help you out in person, or if you can do this, pick up an engineering book and read the relevant sections carefully so you understand them enough to apply them. This tool is initially learned in the fields of Statics, so you'd need a Statics book first. Then you'd need a Kinematics and Dynamics book to determine forces due to acceleration.

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Looking briefly at your design, my first impression is that it can work. However, make sure that the linkage attached to the servo and the push rod and control horn never fully go parallel to each other. If that happens, you have no guarantee that the mechanism will return to its original proper position.

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I can explain with a very disturbing analogy. Imagine your elbow can rotate 180 degrees so you can bend your arm backward fully, and for our sake, lets also imagine that this is totally normal and is not damaging.

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Now imagine you are holding your arm straight against a wall so that the two linkages of your arm, the (1) forearm part and (2) bicep part are in alignment.

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When you push against the wall, will your arm bend one way, or the other way? The arm has three options, depending on minute and uncontrollable differences: (1) If the force is perfectly horizontal your arm will not move at all and will continue to push against the wall (2) the forearm moves "up" and bends as normal and (3) the forearm moves "down" and bends backwards.

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The same will happen in linkages if the they all line up. Since we want the linkage to always move the way we want it to move, we have to prevent this special position form occurring.

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That's a common problem that people who have never designed linkages easily run into.

u/pime · 2 pointsr/MechanicalEngineering

I've worked with some designers who had books like these:

Mechanisms and Mechanical Devices

[507 Mechanical Movements and Designs]
(https://www.amazon.com/507-Mechanical-Movements-Mechanisms-Devices/dp/0486443604/ref=sr_1_2?ie=UTF8&qid=1484237480&sr=8-2&keywords=mechanisms)

Honestly though, these books might be good bathroom reading, but design comes down to experience. The more problems you solve, and the more things you make, the better your designs will be.

Having been a design engineer for a while now, the absolute best advice I can give you is to talk to the other people who will be using the stuff you design. Starting out, your designs aren't going to be the most elegant. Focus on getting something that is functional.

Then, talk to the machinist who is making the parts. He'll have some advice on what features are difficult to machine, or some features you could include that make your parts easier to manufacture, such as adding a flat surface to use as a datum for machining setups, or "bonus holes" that can be used for lifting or securing the parts on the machine. Maybe if you loosen some tolerances, he can order a piece of mill standard pipe instead of having to hog out a huge piece of round stock. Maybe if you tweak the geometry just a little bit, the part can be made on a manual machine instead of having to wait for the 5 axis CNC to open up.

Talk to the techs who have to operate or maintain the machines. What makes their jobs difficult? They'll know best what parts are hard to access, or which tightly packed assemblies don't have clearances to fit tools in, or what's constantly breaking and needs to be replaced often. They'll show you the "custom made tools" that they improvise so that they can actually work with your equipment.

Talk to the people in procurement, or your suppliers and vendors. Is there cheaper hardware you could use? Maybe switching materials would make it easier to source raw stock. Maybe there's an off-the-shelf coupling you could use instead of machining a custom bracket to join two components. These guys work with lots of other people in your industry, and will gladly share "how the other guy did it".

u/abadonn · 1 pointr/engineering

I just got this book a few weeks ago, it is full of awesome mechanisms.