Hello guys .
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i am intending to me make a homemade through-hole slip ring of an internal diameter of 8mm .
all of the pre-made ones are too expensive since they seem to be using precious metals for some reason .
i won't be driving any fancy signals through it , only a power supply and low frequency serial for an arduino . my thoughts are to buy some sort of conductive material in the shape of a thin Tube . cut the tube , place it on my rotating shaft and then get a stationary conductive rod to come into contact and have friction with it . now my problem is with the tube , i can't figure out where to find it . i can't figure out where to find something conductive and thin shaped like a cylindrical tube .
the length doesn't matter at all because i can cut it , all that matters is a the diameter which has to be strictly superior than 8mm and less than 15 . i kept searching for "copper cylinder" , "copper tube" , " conductive cylinder" and so on .. and i found nothing at all . do you guys know the name of something that can assist to make this ?
thank you very much .
Slip rings are electromechanical devices designed to transmit power, electrical signals, or data from a stationary part to a rotating structure. They provide a continuous electrical connection and allow for the transmission of power or signals between components that rotate relative to one another.
The basic component parts for slip ring assembly including:
Rotor: The rotating component of the system, which usually contains the conductive rings. These rings are mounted on the rotor and rotate with it.
Stator: The stationary part that remains fixed while the rotor rotates. It contains stationary brushes that maintain contact with the conductive rings on the rotor.
For more information, please visit Difference Between Synchronous Motor and Induction Motor.
Conductive Rings: These are metallic rings mounted on the rotating part (the rotor) and are the primary conductive pathways. They carry the electrical current or signals.
Brushes: These are conductive elements (often made of carbon or metal) located on the stator that maintain contact with the conductive rings on the rotor. The brushes serve as the interface for transferring power or signals between the stationary and rotating parts.
The brushes are typically spring-loaded and exert a controlled amount of pressure on the conductive rings to establish consistent contact, allowing for the transmission of electricity or data.
As the rotor rotates, the conductive rings pass under the brushes, which transfer the electrical current or signals from the stationary part (stator) to the rotating part (rotor) and vice versa. This continuous contact enables the seamless transfer of power or signals even as the components rotate.
The applications for slip rings in various industries, such as robotics, wind turbines, electrical generators, packaging machinery, and more, where continuous rotation and the transmission of electrical power or signals between stationary and rotating parts are necessary.
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