Chemical pump motor copper core and aluminium core is how to determine recognition?

Chemical pump is commonly used in the production of industrial pumps, chemical pumps, a lot of more phyletic, the price also difference, why the same type of water pump, the user after inquiry, several quotations are different, and even some of the low price let you feel afraid. Why is that? First of all, the chemical water pump according to different use of material, the manufacturing cost is also different, different process requirements, the use of the second motor manufacturer of quality and is also a key, the use effect of good motor for pump is also vital, users often hear copper motor and aluminum core, so how to distinguish between copper and aluminum motor core? See the motor nameplate and manual aluminium electricity opportunities than copper motor model on a & quot; L' Or & other; A“ Letters, and with the level of motor weighs less than copper, aluminum core volume will be bigger at the same time. If it is fake, you see the surface is not know, can tear open motor wire core color is different, pay attention to the oh and copper clad aluminum, so cut line, if there is white aluminium. If you can open it, then blowing line where not to see, after watching the reoccupy after high temperature adhesive glue is good. If you can't open it, compare the coil resistance, the aluminum core is bigger than the resistance of the copper core. 1, pure copper wire motor more save electricity. The resistance of the circuit element size and fever size proportional relationship, big fever will resistance. 2, pure copper wire motor is relatively more durable. Because aluminum is bigger than copper resistance, high calorific value, in use process is easy to burn out motor. 3, such as vibration motor copper resistivity is 0. 017, and the resistivity of aluminum wire vibration motor is 0. 028. Copper wire of copper and aluminum wire swap cross section ratio of 0. 79:1, 6 square roughly ten square aluminum wire, copper wire with a diameter of aluminium wire is better than copper wire, the same stator slot aluminium wire tend to not put, through electromagnetic flow per unit area is different also, copper wire is probably to by 5 - every square millimeter Eight current, aluminium wire will be a lot less. 4, the conductivity of copper is better than aluminum, copper wire carrying capacity is 6 amps per square, aluminium wire 5 amp, so the captain of the aluminium wire electric time work easy fever, general shell temperature kept at 90 degrees, of course, the problem is not big, overall performance than copper wire motor stability, you get what you pay for. A lot of power is smaller than copper aluminum core motor, carrying capacity is small, so easy to fever. General aluminium wire is about twenty percent less than its copper wire. 5, aluminium wire quality will be lighter, relatively much cheaper, but the poor mechanical strength is called, aluminium wire feeder line again the place easily oxidized, feeder terminal will cause temperature rise after oxidation, causing poor contact, frequent was the cause of power failure or break points, in addition it is not easy to aluminium wire welding, small strength and low melting point, easily oxidized, causing loss of high temperature and large. 6, pure copper wire motor, of course, more durable. Aluminum bigger than copper resistance, high calorific value in use, it is easy to burn out motor. And aluminum, and copper is not natural fusion welding, the power cord connection point is likely to cause damage, so the general aluminium wire motor pump's whole life is far lower than the pure copper wire motor pump life. 7, pure copper motor noise is smaller. When the average increase 3 db, noise energy will increase. Aluminium wire motor noise than copper wire high about 7 db, so aluminium wire motor noise is two times more than copper wire motor noise. Pure copper wire motor pump noise performance tested only 58 db.
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