Thread: Supporting 40lbs Arm with Motor?
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Unread 10-02-2014, 21:52
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Re: Supporting 40lbs Arm with Motor?
The elastic is a good idea and the simplest. You could also drive the arm with a screw. It will give you your mechanical advantage with out back driving. Use a Love Joy between your screw and gearbox output shaft.
http://www.mcmaster.com/#spider-couplings/=qn2jdu
http://www.mcmaster.com/#acme-precis...screws/=qn2k15
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