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Posted by Daniel Rudy on October 16, 2008, 5:11 pm
At about the time of 10/16/2008 5:51 AM, Smitty Two stated the following:
>
>> Cross Post: sci.electronics.repair, comp.robotics.misc
>> *****
>> Hello Groups,
>> I have recently acquired two heavy duty motors for robotics use. Below
>> is a link to the picture of one of them.
>> http://www.mpja.com/prodinfo.asp?number 386+MD
>> I have both a left hand and a right hand motor. They are about a foot
>> long, half a foot wide, and weigh in at about 40 lbs each (No wonder it
>> cost $40 for shipping...UPS ground even.). The motor also has
>> serviceable brushes too. There are four wires for these motors, colors
>> red, black, white, and yellow. I'm going to assume that red and black
>> are power, but what are the white and yellow for? A built in
>> tachometer? The gearing is bolted on, but there doesn't appear to be
>> any way to dismantle the motor so I can see how it is wired internally.
>> Any thoughts or suggestions?
>
> Two of the wires for the armature, two for the field.
A DC motor that has a field winding? I need to find a way inside these
motors...
--
Daniel Rudy
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>
> *****
>
> Hello Groups,
>
> I have recently acquired two heavy duty motors for robotics use. Below
> is a link to the picture of one of them.
>
> http://www.mpja.com/prodinfo.asp?number 386+MD
>
> I have both a left hand and a right hand motor. They are about a foot
> long, half a foot wide, and weigh in at about 40 lbs each (No wonder it
> cost $40 for shipping...UPS ground even.). The motor also has
> serviceable brushes too. There are four wires for these motors, colors
> red, black, white, and yellow. I'm going to assume that red and black
> are power, but what are the white and yellow for? A built in
> tachometer? The gearing is bolted on, but there doesn't appear to be
> any way to dismantle the motor so I can see how it is wired internally.
> Any thoughts or suggestions?