A Carbon Brush is a sliding Contact used to transmit electrical current from a static to a rotating part in a motor, generator or a DC Machine ensuring a spark-free commutation. Carbon Brushes which is an integral part in any rotating machine comes in different size, shapes and technical compositions.
Carbon is used for the Carbon Brush in the following forms:
Commutator, howsoever well designed and manufactured, losses its trueness in the long run of service and high/low spots are often formed on its surface. The unavoidable commutator eccentricity gives rise to radial forces, which tend to break commutator to brush contact.
The split brush arrangements give some freedom to each piece of carbon brush to move Independently so that the commutator surface is closely followed and electrical contact is maintained. The biggest advantage is the resistance between leading and trailing edge of the split brush tends to reduce circulating currents.
Apart from damping the radial forces, the rubber-tops prevent passage of current through the brush holder springs. The springs thus do not get over heated and lose their tensions.
We have the widest range of size, designs (spread, tandem, split, solid sandwich brushes with wear sensor etc.) styles (single water with one shunt per wafer multiple wafers with multiple shunt per wafer, slip ring style, special style etc). and grades (Electro graphite, Metal graphite, Resin bonded graphite, Metal impregnated, Carbon graphite, Silver bonded graphite etc).
We make Carbon Brushes for D.C.Machine Motors, Generators, Exciters, A.C. Machine Induction Motors (Synchronous, Asynchronous & Slip Ring). Traction Machine Motors, Generators, Buses, Diesel Locomotives, Fork Lifting, Trucks, Cranes, Automobile Vehicle, Dynamos, Alternators, Starters, Wiper,Drive Motors, Turbo Generator Slip Ring, Emergency Jack Oil Motors, Earthing used in Thermal Power Plant, Generator Slip Ring, Exciter & Earthing used in Hydro Power Plants, Earthing Used in Gas Turbine. H.P.Motors for Mixers Grinders, Water Pumps, Grinders, Drills, Stone Cutting Machines Etc.
We are well aware that the Correct Carbon grade is the key to meeting the unique operating requirements of such diverse applications. We have numerous grade of material specifically developed to maximize brush and commutator life in different industrial environment with excellent film forming and current sharing properties, minimizing your total maintenance costs.
The right Carbon brush design is important for commutator wear, maximum brush life,and outstanding motor performance. Our unique processes,state-of-the-art testing capabilities,and world class manufacturing standards ensure a high level of quality and customer satisfaction.