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This was the first signs of life from our sworm drive. You can get a good look at the cabling as well as the window motor we used to turn it. We are looking at using a larger coupler on the turning motor next year so we can increase the rotational speed of the gearboxes.
Discussion
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01-19-2008 03:53 PM
elvin23
Re: pic: A closup view of our prototype worm-crab drive system.
how does it work? i like the simple design
01-19-2008 04:00 PM
gurellia53
Re: pic: A closup view of our prototype worm-crab drive system.
I remember last year you had some killer swerve drive. Is this basically the same thing?
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Originally Posted by elvin23
how does it work? i like the simple design
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01-19-2008 04:03 PM
Re: pic: A closup view of our prototype worm-crab drive system.
This is their 2007 bot. It works by a worm gear driving the wheels, with a cable-turning system. Quite the cool bot, I must say.
01-19-2008 04:20 PM
DonRotolo
Re: pic: A closup view of our prototype worm-crab drive system.
Schweet!
I like how you use a worm drive to power the wheels from CIMs
Don
01-19-2008 04:27 PM
AndyB
Re: pic: A closup view of our prototype worm-crab drive system.
Glad to see this get brought back up.
Each gearbox has a vertical CIM motor with a worm on the end. It turns a spur gear that is connected to the output axle that the wheel is mounted on. The whole gearbox sits in a UHMW block that we added grooves to for cables to run through.
The UHMW blocks sit on a 1/4" thick aluminum plate attached to the frame. Each of these blocks are tied together using cable that is wound around another UHMW pully that is connected to the window motor.
When the window motor turns, so do the gearboxes. Here are some links to more pictures of this drive.
http://www.chiefdelphi.com/media/photos/28616
http://www.chiefdelphi.com/media/photos/28615
http://www.chiefdelphi.com/media/photos/28499
http://www.chiefdelphi.com/media/photos/28498
http://www.chiefdelphi.com/media/photos/28612
This is last years drive keep in mind. Not this years.
01-20-2008 12:02 AM
Steve_Alaniz
Re: pic: A closup view of our prototype worm-crab drive system.
I'm impressed! Very nice design! Kudos! Wish I had thought of this one!
Steve
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