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 I voted to keep Stop Build Day but only for students. Mentors get to keep working on the robot. - marshall [more] |
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After staring for a long time at the half-scale prototype (http://www.chiefdelphi.com/forums/pictures.php?s=&action=single&picid=9371&direction =DESC&sort=date&perrow=4&trows=3&quiet=Verbose), it was time to mock it up in CAD at full-scale so that we could get a better idea of its interaction with other robot components and its true range of motion.
The model shown here was built quickly and does not represent a finished design. This design strategy was recently abandoned based on what we learned from this model regarding this arm's operation and construction needs.
Discussion
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29-01-2005 00:34
Arefin Bari
Re: pic: 488 CAD Arm Prototype
I have to say, Very nice drawing.
What I really like about the mechanism is, the pivot point of the first part of the arm. How high can this arm reach up to? How much would the whole arm weigh?
29-01-2005 00:55
Madison
Re: pic: 488 CAD Arm Prototype
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Originally Posted by Arefin Bari
I have to say, Very nice drawing.
What I really like about the mechanism is, the pivot point of the first part of the arm. How high can this arm reach up to? How much would the whole arm weigh? |
It's weight is approximately 25 lbs., but the supporting structure was poorly thought out and quickly designed. I'm certain that there are better options in that regard that are as strong or stronger and considerably lighter.
The pivot point is a defining feature of this arm design as well as its latest iteration. It allows us better control of the arm position for obtaining tetras from the floor, the automatic loading station, and for scoring.
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