Electric Motor Commutator

commutator is an important component in Dc motor and AC commutator motor armature.

In a motor the commutator applies electric current to the windings. By reversing the current direction in the rotating windings each half turn, a steady rotating force (torque) is produced. A device for converting direct current into low-frequency square wave to supply the power electrode and then converting the square wave signal measured by the measuring electrode into pulsating DC.

  • Principle of operation

Micro DC motor component commutator    When coil by current, under the action of a permanent magnet, turn through the attraction and repulsion, when it turn to balance and magnet, the original electric line is corresponding with electric contact patches on the commutator I leave, and brush connected to the group that accord with steam coil corresponding contact, so keep repeating, dc motor turns up.
    If there is no commutator, the motor can only turn less than half a circle is card died, only as a brake. Using the centrifugal force generated during the motor rotation as the power, the starting resistance can be controlled to reduce the starting current of the motor, increase the starting torque, and realize the brushless automatic operation of the wound asynchronous electrical idea.


  • Application scope and function

Mixer motor Commutator

The commutator is mainly of hook type, slot type and plane type. It is made of imported raw materials, and the functions of the products can reach the international advanced level. It is widely used in the fields of electric tools, household appliances, automobiles, motorcycle motors, etc. Collector ring, carbon brush frame, terminal block with various specifications and models of products.

    Used in automotive generators, gasoline generators and other fields, commutator is a rectifier, its role is to make the armature winding in the direction of current is alternating, to ensure that the direction of electromagnetic torque is always unchanged.
    In a generator, the commutator changes the alternating potential in the component to the brush-to-brush dc potential. In electrical thinking it can change the applied DC current into the ac current in the element, producing a constant directional torque.

  • Operating procedures

Riser Type Commutator1.Gloves are strictly prohibited

2.Before working, you must check whether the equipment is in good condition

3.The commutator must be firmly clamped when getting on the train, and the hands must not be close to the pulling slot

4.Commutator should be stacked neatly and smoothly, not too high

5.Constant cleaning device

Motor armature commutator turning and cutting machinev

Motor armature commutator turning and cutting machinev

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We can manufacture hundreds types of commutator with advanced technology stable performance and high quality according requirements from customers. Help you reduce cost while maintain high quality....

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