Cleaning method of vibration motor bearing

Generally, it shall be cleaned and refueled after 2000 hours of use. There are two methods for cleaning bearings:
1. Hot oil cleaning method due to long use, the bearing hardened with soft dry oil or anti rust paste shall be immersed in 100-200 ℃ hot engine oil, clamp the bearing with pliers, and clean the oil on the bearing with a brush. The soft dry oil or antirust paste will melt when heated to 100-200 ℃, which is easy to wash out from the gap of the bearing. Sometimes just shake the bearing in the oil for many times. Oil will also flow away from the gap.
When cleaning the centripetal spherical bearing of old motor or imported motor, the ball, ball frame and inner ring shall be turned laterally from the outer ring and then immersed in hot oil. When cleaning the short cylindrical roller bearing, the roller, ball frame, inner ring and outer ring shall also be separated. During hot oil cleaning, the oil temperature shall not exceed 20 ℃.
2. The general cleaning method is to soak the bearing in kerosene for 5-10 minutes, hold the inner ring with one hand and rotate the outer ring with the other hand, and the dry oil or antirust paste on the bearing will fall off. Then put the bearing into clean kerosene, brush it with a soft brush, clean the oil stain in the ball and gap, then put it into gasoline for cleaning once, take it out and put it on clean paper. When cleaning centripetal spherical ball bearings and short cylindrical roller bearings, the ball, bead holder, inner ring and outer ring shall be separated for cleaning.
The bearing installed on the shaft is cleaned mainly by spraying oil or spraying with an oil gun. The oil stains that are easy to be cleaned are first cleaned with kerosene and then gasoline; For oil stains that are difficult to be cleaned, first wash them with 100-200 ℃ hot engine oil or spray them with an oil gun, and then clean them with gasoline. Be careful not to scrape the bearing with sharp tools: hard oil dirt or rust, so as not to damage the smoothness of the bearing rolling element and groove ring. The cleaned vibration motor bearing shall be wiped dry with a clean cloth.