Subject:
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Re: My Pictures From Brickfest
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 26 Jul 2002 03:23:10 GMT
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Viewed:
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915 times
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In lugnet.robotics, Rob Doucette writes:
> In practice, given the length of the members in Doug's model I'd expect them
> to behave as slender columns when loaded...
And those would be the compression members of the truss.
> ... (by leaning on it as opposed to the
> weight of the pick n place mechanism which didn't seem to add much load).
At just a glance (i.e. no proper analysis), I imagine that when you "leaned"
on it, you'll have a few members in tension somewhere in the structure.
The structure will deflect very little. Even those seemingly long members
that are in compression may not deflect much at all. I imagine it takes
quite a bit of load before you see them buckle elastically.
TJ
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Message has 1 Reply:
 | | Re: My Pictures From Brickfest
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| (...) I'm guessing the members would delaminate (the plates capping the double beams would separate) especially if the loading is cyclical. I still think a long column will describe the behaviour more so than a truss because of the length. I don't (...) (22 years ago, 26-Jul-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: My Pictures From Brickfest
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| (...) In practice, given the length of the members in Doug's model I'd expect them to behave as slender columns when loaded (by leaning on it as opposed to the weight of the pick n place mechanism which didn't seem to add much load). -Rob. [looking (...) (22 years ago, 26-Jul-02, to lugnet.robotics)
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