Micro motor is a kind of electric power component which is converted by electric energy and mechanical energy. It is mainly composed of rotor, stator winding, shell and speed sensor. Among them, although the miniature motor shell looks like a small shell, it can not be underestimated. The small body contains a great role, which can prevent the human body from touching or approaching the live parts in the shell and touching the rotating parts in the shell, as well as prevent solid foreign bodies from entering the motor. It can also be dust-proof and waterproof to prevent harmful effects caused by motor water.
When choosing the miniature motor shell parts, it is suggested that the matching material can be selected for collocation according to the use scenario and equipment, so that it will be more complementing. Horse shell material on the market is mainly iron and aluminum alloy two, they have their own advantages and disadvantages, so how to choose?
The advantages of the iron motor shell are: high hardness, good compression ability and low price. The disadvantages are: heavy weight, poor thermal conductivity, elongation is lower than aluminum alloy, and the stability is not good.
The advantages of aluminum alloy motor housing are: light weight, good heat dissipation, corrosion resistance, easy forming and large tensile strength, the disadvantages are: high price, low hardness, poor mechanical strength.
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