Help Designing a Brake Please

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Discussion Overview

The discussion revolves around the design of a brake system, specifically for a disc drive application. The original poster seeks guidance on calculating parameters necessary to stop a shaft at a specified speed within a given time frame, expressing confusion about the factors to consider in the design process.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • The original poster inquires about the parameters needed to design a brake to stop a shaft at 775 ppm, which some participants suggest may be a typo for rpm.
  • Participants request clarification on the context of the brake design, including its application (e.g., data storage or a grass mower), the size and weight of the disc, and whether it is a direct drive system.
  • One participant suggests that the question is too general and recommends consulting books on brake design for a more comprehensive understanding.
  • Another participant mentions that a good starting point for research would be to use the search term "design of brakes" to gather foundational knowledge.

Areas of Agreement / Disagreement

Participants express uncertainty about the original poster's terminology and the context of the brake design. There is no consensus on the specifics of the design parameters or the application, indicating that multiple views and clarifications are needed.

Contextual Notes

The discussion highlights limitations in the information provided by the original poster, including missing details about the application and specifications of the brake system, which complicates the ability to provide targeted advice.

zolipend
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Hai, I'm new here, I hope find you guys well, Sorry, I'd like to ask about designing brake, currently my objectives for designing is Disc drive, I'm very confused, how to calculate, the parameter is the brake need to stop shaft in 775 ppm, in 0,5s for time, what I confused right now, what parameter factor to be consider in designing the brake.
 
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Welcome!
Could you clarify the meaning of "to stop shaft in 775 ppm"?
 
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Some context would be good.
Is it for data storage, or part of a grass mower ?
How big is the disc ?
What does it weigh ?
Is it direct drive ?
 
Lnewqban said:
Welcome!
Could you clarify the meaning of "to stop shaft in 775 ppm"?
Certainly a head scratcher.
But then it came to me.
A typo ppm = rpm
 
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zolipend said:
what parameter factor to be consider in designing the brake.
jack action said:
Brake Design and Safety by Rudolf Limpert might be of interest to you.
Please understand that your question is so general that a book, such as the book linked by @jack action, is the simplest answer that we can give to your question. There are also other books on the subject of brakes. You provided so little information that any attempt to answer your question would require writing a similar book.

A good place to start is with search term design of brakes. Careful reading of the first few dozen hits will give you enough general background that you should be able to ask questions that we can answer.
 

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