The secret to efficient motor operation is often hidden in the details. Small bearings may seem inconspicuous, but they directly affect the operation of washing machines. How can we reduce the defective rate of customers' motors from 8% to 0.3% and the vibration value by 40%?
As a bearing source factory that has been deeply involved in the field of motor bearings for more than 20 years, Kenda Bearing has helped a home appliance motor factory solve the thorny problem of abnormal noise in washing machine motor bearings. During the mass production stage, about 8% of the customer's motors had abnormal bearing noise. The vibration test showed that there was a 200Hz frequency vibration in the bearing part. After disassembly, it was found that the cage was broken and the ball was worn unevenly. After communication and analysis, we found that the problem was caused by the wrong selection of the radial clearance of the bearing. The clearance of the original bearing could not absorb the axial impact when the motor started and stopped. At the same time, the dynamic balance of the rotor did not meet the G2.5 standard, which aggravated the vibration transmission. In response to these problems, Kenda Bearing has customized solutions for customers with its professional technical capabilities. It is recommended that customers change the cage in the motor bearing to a nylon cage. Its excellent elasticity and self-lubricating properties can effectively buffer the impact and reduce friction. At the same time, the radial clearance is adjusted to a clearance that is more suitable for the working conditions, and the rotor dynamic balancing process is optimized. The improvement effect is remarkable. The defective rate of the customer's motor has dropped from 8% to 0.3%, the vibration value has dropped by 40%, and the abnormal noise problem has been completely solved.
This cooperation not only helps customers improve product quality and market competitiveness, but also demonstrates our professional strength in bearing selection and technical support. In the future, Kenda Bearing will continue to solve various bearing application problems for customers with professional and efficient services.

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