2013年6月22日星期六

Shaded pole motor structure


like most motor, shaded pole motor also includes a circuit, magnetic and structural parts of three parts, corresponding to the basic components of the stator and the rotor core, winding, brackets and bearings.

1) The motor rotor core for constituting a magnetic circuit, wherein the alternating magnetic flux to pass.

In order to reduce iron loss, are generally mutually insulated with silicon after punching. Ningbo Jant electrical appliance co Ltd  is commonly used 50W1300, 50W800.

2) the winding enameled wire wound on bobbins concentrated winding as the main winding copper wire and welded into a short ring as a secondary winding.

 There are several rotor, in which they talk about the most commonly used cage rotor, it is washed with alveolar rotor plate after stacked and pressed into the shaft after each rotor slot aluminum or cast into made of aluminum, cast into the rotor slot and the end of the aluminum conductor inside the die to form a short-circuit cage winding. Since the resistivity of aluminum conductor for motor performance has a great impact, therefore, requires careful selection grades upon request.

3)  NingboJant electrical appliance co Ltd bracket ge generally used zinc alloy, aluminum and other non-magnetic material, such as cold-rolled steel is also useful magnetic materials such as YJ58 series metal stents, YJ80 series of metal stents. It should be emphasized that the design of the motor bracket selection must be considered when the magnetic flux leakage problems.

4) The motor has bearing, sleeve bearing and ball bearings. With oil-bearing structure is simple, low cost, low noise and energy self-lubricating, etc., are widely used in household electrical appliances with motors. Bearing in the selection according to the operating conditions to determine the appropriate form, but also strict attention to the bearing chamber machining accuracy and assembly processes.

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