Brushes Dealers in Jamshedpur

• Type: Carbon Brushes
• Material: Carbon Block, Copper Flexible Wire,Parts & Accessories of Carbon Brush
• Thickness: 0-50mm
• Certification: Self Certified
• Application: Electric Use
• Grade: EG - For DC Motors
• Condition: New
• Elongation: NA
• Sections: Rounds, Squares, Rectangular
• Working Temprature: 0-50%
• Country of Origin: India
• Size: 0-50mm x 0-70 x 0-100m
• Brand Name: VCP
• Raw Material: Carbon Blocks

A carbon brush is a device for maintaining electrical contact from a static to a rotating part in a motor or generator, a moving surface such as a commutator or a slipring, ensures a spark-free commutation and performs the following critical functions-•    Deliver or collect electric current from rotating part of a machine•    Perform the duty of commutation i.e. changing the direction of the flow of current•    Keep the commutator or slipring surface clean & smooth with a protective film of copper & carbon graphite to maintain good contact without excessive wear. Carbon brushes have been used for a long period of time and are preferred due to their excellent properties like good electrical & thermal conductivity and high temperature resistance which make it a highly suitable material for current transmission in rotating electrical machines.  They are widely used in the automotive industry, iron & steel industry, cement plants, paper mills, domestic appliances, generators & motors of the railways.  A carbon brush can be made of one or more carbon blocks and equipped with one or more shunts / terminals. Trouble Shooting - 1.    Over time, the abrasion caused by the moving parts will mean that the brushes will need to be replaced.2.    It's normal for small sparks to appear when the brushes rub against the motor’s armature, but excessive sparking could mean you need new brushes.3.    Hardness does not have a direct effect on brush life or brush wear. If the commutators are out of round or have high spots, a harder brush will actually have a tendency to bounce more and leave the commutator surface, potentially causing greater problems than before. Light loads, light spring force and poor commutator conditions are the usual causes of rapid brush wear.4.    Grooving occurs when there is poor electrical contact, resulting in a high resistance at the brush face with the ring or commutator. This may be due to roughness on the surface or vibration. 

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