Household small mill because of its small size, low noise, easy to use and a wide range of crushing and is widely recognized by everyone, it is because these characteristics just meet the requirements of family use so it is widely accepted. With a small crusher to deal with some daily Chinese herbs or grains effect is very good, here I give you a brief introduction to some of the knowledge about the home crusher and common fault treatment methods, hope to help you correctly understand and choose this novel home machinery.
Small mill generally refers to the operating power of less than 2 kilowatts, small size, desktop or mobile mill. Small crusher according to the application of different places of the name is also different laboratory crusher, Chinese medicine crusher, home crusher and so on. The pulverization method of the small crusher is through a closed grinding tank high-speed rotation of the angular blade through the lower part of the grinder motor shaft directly driven, the material in contact with the high-speed rotation of the grinder blade is broken by impact, to achieve the purpose of the crusher. Generally speaking, after the use of the crusher for a period of time, because the seal of the upper bearing part of the crusher will slowly produce a gap with the use of very fine dust into the motor bearing, causing the noise and vibration of the crusher to increase, and the temperature to rise rapidly in a short time.
Small mill in practical applications because of the use of ultra-high speed DC motor so the heat is also high, the main heating part in the carbon brush and commutator and tank, this motor in the energized operation of the carbon brush contact on the commutator surface, the motor external power supply (generally DC excitation current), through the slip ring (on the rotor, with the rotor running), Provides to the rotor winding (field winding)., the role of current reversal, so that when the rotor rotates, the inflow of direct current from one end of the rotor to keep flowing, so that the motor rotates in one direction. The carbon brush is in good contact with the rotor of the motor, and the carbon brush is connected with the power supply to provide electrical energy for the rotor. Because the carbon brush is in contact with the commutator for a long time, it produces wear, when the length of the carbon brush reaches the point where it needs to be replaced, the supporting spring behind the carbon brush will no longer work, which may cause poor contact between the carbon brush and the commutator, and the situation that the mill is powered on does not start, when these problems are encountered, as long as the new carbon brush is replaced, the rotor head can be cleaned with alcohol.
In practical applications, the push-button switch will also cause the internal power contact ablation of the switch due to frequent stop, when one of the contacts inside the power switch occurs after poor contact, the grinder will not start again after pressing the button on the switch box, these problems can only be replaced by the switch box to solve.
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