Spotting gearbox assembly issues

In summary, the conversation revolved around a question concerning the theory of machines and the difficulties faced in answering specific questions during internships. The person sought recommendations for a book or course to gain a better understanding and overcome the gap in their knowledge. It was suggested to study the drawing provided in the question carefully and visualize how the parts would come apart, as well as gain practical experience by taking apart junk car parts with the help of someone with proper tools.
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Ah-E
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The question might be a bit silly.. (asking for advice regarding the theory of machines content, not a homework).

I'm enrolled in the mechanical engineering bachelor's. I applied for several internships however I couldn't pass because of a particular type of questions.
The interviewer shows me an assembly for a gearbox for example, and we go through a discussion about the flaws in the shown system in general. by either spotting the errors in the dimensions or the arrangement, etc.
>>> This question is pretty similar: https://www.physicsforums.com/threads/bevel-gearbox-assembly-flaws.989346/

the answers in the thread were insightful but how to gain a better understanding? any recommendations for a good book/course that I can study to cover the gap I have?
My courses in my bachelor's were pretty straightforward in this part. just do some calculations without the ability to answer those types of questions
 
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  • #2
This is definitely not a silly question. I am not aware of any good books that cover this gap in your knowledge because the test is more about practical experience than book knowledge. There are some things that you could try:

Many of the flaws in that gearbox are parts that cannot be assembled. Study the drawing carefully, and visualize how you would take it apart. Look for parts that cannot be removed because those parts could not have been assembled originally. You need to visualize the parts in three dimensions, and how they come apart. Removing bolts requires wrench access, bearings cannot be pulled over a larger diameter, etc. Expect to spend several days studying that one drawing.

Get some junk car parts - alternator, starter, transmission, differential - and take them apart. Then try to put them back together. Find somebody who has the proper tools to help you with this.
 
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Related to Spotting gearbox assembly issues

What are the common signs of gearbox assembly issues?

Common signs of gearbox assembly issues include unusual noises such as grinding or whining, difficulty in shifting gears, fluid leaks, a burning smell, and the vehicle slipping out of gear. These symptoms often indicate that there might be a problem within the gearbox that requires attention.

How can I diagnose a gearbox assembly problem?

Diagnosing a gearbox assembly problem typically involves a combination of visual inspection, listening for unusual sounds, checking for fluid leaks, and conducting a road test to observe the gearbox's performance. Additionally, using diagnostic tools to read error codes from the vehicle's onboard computer can provide valuable insights into specific issues.

What causes gearbox assembly issues?

Gearbox assembly issues can be caused by a variety of factors including wear and tear, lack of proper lubrication, overheating, manufacturing defects, improper installation, and contamination of the gearbox fluid. Regular maintenance and timely repairs can help mitigate these issues.

How can I prevent gearbox assembly issues?

Preventing gearbox assembly issues involves regular maintenance such as changing the gearbox oil at recommended intervals, ensuring proper lubrication, avoiding aggressive driving habits, and promptly addressing any minor issues before they escalate. Regular inspections by a qualified mechanic can also help in early detection and prevention of major problems.

What should I do if I suspect a gearbox assembly issue?

If you suspect a gearbox assembly issue, it's important to have your vehicle inspected by a professional mechanic as soon as possible. Continuing to drive with a faulty gearbox can lead to further damage and more costly repairs. A mechanic can diagnose the problem accurately and recommend the necessary repairs or replacements.

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