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Re: which is better aluminum or steel????
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Originally posted by: JVN I recommend checking out:
http://www.matweb.com
Lots of cool information there. You can plug in values to your heart's content.
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I definitely agree with that one. Now to mention Matweb, there are some pretty cool aircraft aluminum alloys that would be pretty useful to building a frame and other robot components. By pretty cool, I mean pretty hard, with an ultimate tensile strength of 83,000 psi. Check out the Aluminum 2400s and Al 7475 if you want the high-strength stuff. Most of the 2400s have ultimate tensile strengths in the 60,000's, are moderately weldable, and fairly machineable.
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Pro safety tip: put a string through coil springs that is tied off securely on the robot frame. This will help prevent the spring from jumping out and killing an inspector if it snaps. - Ninja_Bait [more] 
12-05-2005, 05:23
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