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2022
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How to deal with excessive spark of motor commutator
The full set of new brushes to be replaced should preferably be produced by the same manufacturer as the motor. Brushes of the same model, specification and size.
Author:
(1) The full set of new brushes to be replaced should preferably be produced by the same manufacturer as the motor. Brushes of the same model, specification and size.
(2) The connection between the brush and its braided wire shall be firm and reliable without poor contact and looseness. The braided wire shall be sleeved with insulating sleeve.
(3) The brush and the commutator shall be in good contact, and the contact surface shall not be less than 75 ° of the brush section, and the brush shall not be angular or cracked.
(4) Each replaced brush shall be electrically measured, and brushes with equal or similar limit values shall be paired for parallel use to ensure that the current between parallel brushes can be evenly distributed.
The above contents are compiled according to the problems encountered by the trainees in their actual work for reference. If there are problems, please communicate and correct them in time.
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