In an article entitled "Stainless steel vibrating screens need to do noise reduction? Why", we have conducted a detailed analysis of the reasons for the need for noise reduction treatment of stainless steel vibrating screens and the introduction of preliminary noise reduction methods, but It is worth noting that through the structural composition of the stainless steel vibrating screen, it is not difficult to know that the noise source of a vibrating screen is mainly a vibrating motor, so the method of reducing the noise of the vibrating motor is more convenient.
Simply adjust the vibration motor to reduce the noise of the stainless steel vibrating screen
We know that the stainless steel vibrating screen is composed of dust cover, screen frame, screen mesh, cleaning net device, sealing strip, vibration motor and base. The vibrating motor is the power source of stainless steel vibrating screen and stainless steel vibrating screen. The source of noise, by adjusting the vibration motor to reduce noise, mainly starts from two aspects:
First, adjust the position of the vibration motor to reduce the noise of the stainless steel vibrating screen
Try to avoid the vibration motor from being too close to the surrounding objects and equipment to prevent more noise from being transmitted by other equipment. Be sure to tighten the bolts around the vibration motor to prevent the noise from being loose during the work.
Second, reduce the friction factor of the vibration motor to reduce the vibration of the vibrating screen
Lubrication should be added to each bearing center on time to prevent greater frictional rolling caused by lack of oil. The process equipment must ensure the coaxiality of the shaft, collector ring, fan winding support and rotor core during processing.
Third, reduce the electromagnetic noise of the vibration motor and reduce the vibration of the vibrating screen
The main methods are:
1 Select the appropriate number of slots for combination;
2 using a special slot;
3 chutes;
4 choose the appropriate coil pitch;
5 sine wave winding;
6 using fractional groove winding;
The magnetic flux density of the 7-tooth, air gap, and yoke portions should be appropriate;
8 rotor slot pole and thickness are equal;
9 magnetic wedges are used to enlarge the air gap.
Careful netizens may find that the above methods of noise reduction are relatively simple, and do not elaborate on the specific operation to achieve the change of vibration motor position, friction factor reduction, and electromagnetic noise reduction, because these operations To a certain extent, the design of the stainless steel vibrating screen bottom frame disassembly adjustment, vibration motor internal structure adjustment and other complex operations, non-professional personnel are extremely easy to operate errors.
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