Operation of mechanisms and machines

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Discussion Overview

The discussion revolves around whether a mechanical engineer or student can understand the operation of mechanisms and machines solely from images, such as photographs or drawings. Participants explore the subjects and activities that could enhance this ability.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • Some participants suggest that understanding mechanisms from images is possible, while others express skepticism about the feasibility of this skill without practical experience.
  • There are inquiries about specific subjects that should be studied to develop the ability to interpret mechanisms from images.
  • One participant recommends engaging with construction toys like Meccano or Lego to gain hands-on experience and improve technical drawing skills.
  • Another participant mentions that classic books on machine design and mechanisms, particularly those by Shigley, could be beneficial resources.
  • Disassembling mechanical devices, especially non-functional ones, is proposed as a practical method to understand how parts work together, with a caution about safety when dealing with electrical equipment.
  • A suggestion is made to consult the “Mechanisms and Mechanical Devices Sourcebook” by Neil Sclater, noting the availability of various editions online.

Areas of Agreement / Disagreement

Participants express differing views on the feasibility of understanding mechanisms from images alone, indicating a lack of consensus on this topic. There is agreement on the value of practical experience and study materials, but no unified approach is established.

Contextual Notes

Some responses depend on personal experience and assumptions about the learning process, which may vary widely among individuals. The discussion does not resolve the effectiveness of visual learning versus hands-on experience.

flamengo
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Is it possible for a mechanical engineer or even a mechanical engineering student to know how a mechanism or a machine works only through an image (photography, drawing ...)? And if so, what subjects should I study to have this ability ?
 
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flamengo said:
Is it possible for a mechanical engineer or even a mechanical engineering student to know how a mechanism or a machine works only through an image (photography, drawing ...)? And if so, what subjects should I study to have this ability ?
Yes. If you have to ask ... doesn't look too hopeful.
 
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Are there specific subjects that I should learn to develop this ability ?
 
Play with Meccano or leggo and learn how to make technical drawings.
 
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There are several books on machine design and mechanisms that would help out a lot. Some of the classic ones were written by Shigley. Doing a search on Amazon with those as keywords should be a good start. You don't need the latest versions if the older ones are cheaper.
 
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flamengo said:
Are there specific subjects that I should learn to develop this ability ?
You should disassemble all sorts of mechanical contrivances to see how the parts function as a whole. Preferably broken or unserviceable devices, because then you can endeavour to identify why they ceased operating—and can possibly attempt to repair them. Keep aware of safety considerations, and don't attempt to repair electrical equipment that requires mains power.

The acquired familiarity with parts and devices will aid their visualisation from drawings.

Good luck!
 
Google “Mechanisms and Mechanical Devices Sourcebook” by Neil Sclater.
There are 3rd, 4th and 5th editions viewable on the web.
Older editions in .pdf are available on some University Engineering sites.
If you like what you see you can buy a new or used copy; find it using http://www.bookfinder.com
 

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