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Subject: 
Re: My Pictures From Brickfest
Newsgroups: 
lugnet.robotics
Date: 
Fri, 26 Jul 2002 02:38:57 GMT
Viewed: 
590 times
  
In lugnet.robotics, Rob Doucette writes:
The structure is surprisingly rigid.  Almost no flexture.

That's because it's a truss :-)

A truss is a structure composed of triangles (very simple explaination). A
truss is very stiff because its geometry causes all members to be loaded in
compression or tension. Theoretically, the members see no bending moment.

TJ



Message has 1 Reply:
  Re: My Pictures From Brickfest
 
(...) 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)

Message is in Reply To:
  Re: My Pictures From Brickfest
 
(...) The way Doug explained it, it's the beginning of a pick and place machine. What you see in the pic is accurate in the X and Y, he hasn't done the Z yet. The structure is surprisingly rigid. Almost no flexture. -Rob. (22 years ago, 26-Jul-02, to lugnet.robotics)

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