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Dongyuan Homepage > Encyclopedia of warehouse wall vibrator > Vibration motor technology article >The eccentric block adjustment of vibration motor can only make the excitation force and power properly

The eccentric block adjustment of vibration motor can only make the excitation force and power properly

  Vibration motor Therefore, it is necessary to use the flexible cable as the motor conductor. Usually, the motor wire is easy to break or wear at the root of the motor outlet. In the event of such a failure, the motor will be switched on and rewired from within the motor. The bearing can bear certain axial vibration load. The bearing life is not affected by the axial load regardless of the installation direction. When removing the bearing, record the position of eccentric block and the percentage of exciting force. After replacing the bearing, check whether the motor shaft has certain axial movement. Do not install the eccentric air test motor first. Record the reset eccentric block. The protective cover of the eccentric block shall be sealed to prevent dust from entering the interior and affecting the operation of the motor. In short, the vibration motor is destructive to the equipment, and the vibration motor is also vulnerable equipment. If the use method is not correct, it will not only shorten the life of the motor itself, but also seriously damage the mechanical equipment being dragged. Therefore, when using the vibration motor, strictly follow the operation instructions of the vibration motor. To increase the frequency and intensity of inspection, find hidden dangers in time for treatment, and never infect diseases. Reasonable use, diligence and careful inspection can better play the role of vibration motor, in order to extend the service life of vibration motor.
 
The vibration motor is equipped with a set of adjustable eccentric blocks at both ends of the rotor shaft, and the centrifugal force generated by the high-speed rotation of the shaft and the eccentric block is used to obtain the excitation force. The vibration frequency range of the vibration motor is large, so the mechanical noise can be reduced only if the exciting force and power are matched properly.
 
Vibration motor is the core part of vibration screening equipment. The excitation source combines the power source with the vibration source. It is a set of adjustable eccentric blocks installed at both ends of the rotor shaft. The centrifugal force is generated by the high-speed rotating block. The vibration motor has high utilization rate, low energy consumption, low noise and long life. The exciting force of vibration motor can be adjusted steplessly and easy to use.
 
When we use the vibration screening equipment, sometimes when we change the materials or debugging problems, we will find that the adjustment of the eccentric block of the vibration motor has problems, which leads to the unsuitable condition track of material screening and reduces the screening efficiency. How to adjust the vibration motor? What about the eccentric block?
 
1. Change the phase angle of the upper and lower weight of the vibrating motor, which can change the movement track and residence time of the material on the screen, so that the screen machine can adapt to the separation state required by various materials, such as material distribution and production capacity. The separation efficiency and network rate should be adjusted to the state.
 
2. The upper weight cannot be adjusted. Open the adjusting hole at the bottom of the equipment base, and then loosen the lower weight fixing bolt. According to the movement track of the screened material, the phase angle of the upper and lower weights is adjusted in the opposite direction to the discharge port. Tighten the fixing bolts. Then put a small amount of material on the screen surface, let the screen machine run, and check the movement track of the material on the screen surface. If the processing parameters are effective, stop fixing bolts and stop adjusting (remember to tighten fixing bolts).
 
3. Adjustment of additional weights: additional weights are installed on the sides of upper and lower weights to increase or decrease the exciting force of the screen. You can add or subtract other weights, depending on factors such as the number of layers in the device, the weight of the material, and so on. Non professionals should not increase or reduce the extra weight at will.
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