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Comparison of advantages and disadvantages of using aluminum housing for motors

Author: Ever Power Date: 2019-01-14 Source: Attention:

Comparison of advantages and disadvantages of using aluminum housing for motors

        Our company is EVER-POWER GROUP CO., LTD. It is a technology enterprise that specializes in the research and development, manufacturing, sales and service of speed reducer, barrier motor, telescopic door motor, motor.Our motor series products include: aluminum shell motors and iron shell motors, it can also be said that there are single-phase asynchronous motors and three-phase asynchronous motors. If you have any questions or if you have any questions, please contact us directly..Contact number: +86-1308398828.The following is an introduction to the advantages and disadvantages of aluminum motor:

        The metal shell of the motor is mainly cast iron, steel plate and aluminum. With the pursuit of the appearance and beauty of the motor, the aluminum shell motor is continuously recognized by the market, but as a motor person, we are very aware of the aluminum shell motor and the cast iron shell. We should evaluate the difference between motor performance, cost, compliance with operating conditions, and market acceptance.

Motors with a center height of 80 to 200 have both cast iron shells and aluminum shells; motors with a center height of 315 or more have almost no aluminum shells, mainly because of relatively poor mechanical strength.However, the two materials do not have much influence on other properties of the motor.

The difference between cast iron and aluminum shell

(1) The density of aluminum is relatively small, which can reduce the weight of the whole machine.For small size motors, based on the premise of strength compliance, aluminum shells are preferred. The overall price of the two is basically the same, but the apparent effect of aluminum shell motors is better.

(2) The cast iron shell is durable, can withstand beating, and has high mechanical strength; compared with aluminum shell, it is softer, and it is easy to form scars on the surface.

(3) Iron shell motors are prone to rust, especially in hot weather; but aluminum shell motors have poor corrosion resistance.

(4) Aluminum has much better heat dissipation coefficient than cast iron, and iron has worse heat dissipation than aluminum.

The advantages of aluminum

        The mechanical function of pure aluminum itself is not high, but its light weight, good casting fluidity, which is unmatched by other metals, and aluminum element is more active, can be combined with other metals to become aluminum alloy, then it needs Sorry, some high-precision equipment takes advantage of this, such as airplanes and other equipment.In fact, most of the aluminum we see is aluminum alloy.

        The characteristics of cast iron is that the manufacturing process is very mature, the entry barrier is low, and the cost is low, but its own shortcomings are only iron-carbon alloys, and compared with aluminum, cast iron is not easy to combine with other metals, which is determined by its own characteristics. .

        Aluminum is a lively metal. A dense oxide film with a thickness of about 50 angstroms (1 angstrom==0.1 nanometers) is immediately formed on the surface of aluminum in dry air, so that the aluminum will not be further oxidized and is resistant to water; but the aluminum powder mixed with air is extremely Easy to burn; molten aluminum can violently correspond to the metal of water; aluminum is amphoteric, very soluble in strong alkalis, and also soluble in dilute acids.This is a question that must be considered when choosing an aluminum housing motor base

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