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Unread 19-01-2011, 23:29
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VEX Robotics Engineer
AKA: Arthur Dutra IV; NERD #18
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Re: Pulley Radius: how to factor this into calculations?

Quote:
Originally Posted by LLogan View Post
Thank you very much for the input!

We are thinking of wrapping 1/8in steel cable around pulleys that are 1/2in in diameter. They need to be as small as possible to fit inside of our elevator assembly.

Our fear is that there is not enough "wrap" around the pulley, and pulling the wire around such a small diameter will be almost akin to pulling the wire across a sharp corner. I am not sure if I described this well enough....
What type of steel cable is it, and what is its minimum bend radius? The minimum bend radius will likely be your minimum pulley size.
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Art Dutra IV
Robotics Engineer, VEX Robotics, Inc., a subsidiary of Innovation First International (IFI)
Robowranglers Team 148 | GUS Robotics Team 228 (Alumni) | Rho Beta Epsilon (Alumni) | @arthurdutra

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