A slip ring is comprised of two distinct parts - a stator and a phase-wound motor. The stator is the outer visible part of a motor, while the three-phase windings are placed on a laminated core.
miniature slip rings, or rotary electrical connectors or rotary electrical joints are small electrical devices that have evolved as an economical solution for power transfer between the static and dynamic components of a motor. They are the perfect juxtaposition of small size and huge performance, which mold it well for video-transmission and some other challenging applications.
Miniature type of slip rings generally are available in wide range of diameters, measuring between 6 mm and 25 mm and containing circuit counts of between two and 56 circuits. Small diameter rotors have an overall positive effect on the unit's working life by reducing the surface speeds, which minimizes imbalance and operating temperatures. A number of such miniature slip ring with low and high power circuits and a combination of both are readily available in the market.
Miniature slip ring details-
rotary electrical connectors are ideal devices for video signal transmission, POS displays and much more. Commonly used miniature slip rings come in four standard sizes of 312, 318, 322 and 325 mm. All slip rings except the one with a diameter of 25 mm are made of plastic. The largest type of slip is made of aluminum.
Features of miniature slip rings-
.Miniature slip rings are compact sized devices. Overall lengths range from just 14-85.5 mm.
.They use aluminum or engineered plastics as housing material.
.They do not wear-and-tear easily due to low frictional loss.
. It is endowed with durable components and long shelf life.
.They are inexpensive and easily customizable.
.They are RoHS and CE compliant.
.They are made of coaxial cables( RG175/179).
.Ip65 sealed housings are present in miniature slip rings which gives them extended durability.
.Miniature slip rings have a high starting rotor resistance and maximum initial torque.
.High rotor resistance leads to more slip and finally, pull-out torque at low speeds can be achieved.
.With accelerating the speed of the rotor, the external resistance is reduced and the winding short-circuited.
.The motor's operational efficiency is increased when resistance decreases.
.The external resistance should be designed so as to vary the speed of the motor between half to full of the rated speed.
Miniature slip ring function applications-
.All miniature slip rings are compatible to control, Ethernet, video, sensor, power signals.
.Lower torque leads to low contact wear rates.
.It can be used for packaging machinery.
.A number of circuits combinations in the form of audio, video, power, sensor etc is available.
.It is specially designed for use in CCTV security cameras or a tiny rotating system.
.Miniature slip rings are suitable for robotics and other automated systems.
.It has grown popular as a medical equipment slip ring for its application in the medical field.
.It can be used in CMM machines.
.Miniature slip rings are fit for a miniature rotating system of transmitting low control signal.
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