Subject:
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Rotation Contacts
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 4 Jan 2001 02:42:26 GMT
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Viewed:
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649 times
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Has anyone ever tried to make a set of electrical contacts that allow
rotation? What I want to do is have an electric motor on my crane using the
large turntable from 8480 but I don't want a flopy wire in the way of
rotation. Any ideas or thoughts would be greatly appreciated.
Fred
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Message has 3 Replies:
 | | RE: Rotation Contacts
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| Don't forget that the turntable has a very large hole in the center. You can run all kinds of things through this hole. That gives you a couple of alternatives: - You can run the wire for the motor through the large center hole of the turntable. (...) (24 years ago, 4-Jan-01, to lugnet.robotics)
| | | Re: Rotation Contacts
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| Usually, I feed the wire through the center of the large turntable. This will tolerate several rotations. Of course, you have to unwind it from time to time. An example is on my five axis machine at (URL) solutions would be to drive through the hole (...) (24 years ago, 4-Jan-01, to lugnet.robotics)
| | | Re: Rotation Contacts
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| This is a modestly easy task, if you use a telephone cord untangler. I have "modified" a number of these to make 4 wire rotating connections, typically for feeding through the large turntable. By carefully cutting the metal part, you can turn 2x4 (...) (24 years ago, 4-Jan-01, to lugnet.robotics)
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