Imported SKF bearing maintenance need to solve the damage reason phenomenon analysis

Imported bearing raceway groove sound sound and its control method is when a one-way bearing operation, the roller rolling on the surface of the raceway and a line of continuous sound, is unique to occur in all rolling bearings of the basic sound. General sound of SKF bearing raceway is combined with other sounds. Ball bearing raceway is irregular, frequency above 1000 hz, its main frequency does not change with speed, but its total sound pressure level increases with speed to speed up. Raceway large bearings, the rolling sound of sound pressure level decrease with the increase of the viscosity; The raceway small bearings, the sound pressure level in the viscosity increases to about 20 was/s above, from decreased to increase somewhat. And the rigidity of the bearing, the greater the raceway of the lower the total sound pressure level. Such as radial clearance is too small, the total sound pressure level and race master frequency will increase sharply with the decrease of radial clearance. Method to control the sound of raceway are: choose low noise SKF bearing is bearing waviness is very small, that is, carefully select and use conditions. Race often affect the mechanical noise, reduce the raceway can reduce the mechanical noise. Impact of the rolling element and its control method for larger models of ball bearings or cylindrical roller bearings under pure radial load speed, due to centrifugal force is lesser, roller in the rolling body will impact the load area or race and making noises. But with the increase of rotational speed, the noise will disappear. Control method of rolling body impact sound: decrease the radial clearance, use with reasonable structure and material import bearing cage with flexibility. From SKF bearing water roller bearing damage analysis, found that if the structure of the roller exist the following problems: 1, the seal has a problem. Water roller, in particular, there are part of the shaft end need liquid immersion education version, when the education version liquid PH value is less than 6, bearing will soon be corrosion, ball can't normal running and eventually lead to import SKF bearing rust and ran inside and outside the circle, serious when glue ontology, spindle all scrap. 2, SKF bearing axial force. Except for education version fluid invasion of corrosion damage, the bearing will appear 'apart' phenomenon, namely the ball bearings from the 'basket' scattered to the roller, the plate cylinder and rubber roller, rubber and other surface severely damaged. General solutions are: modified adhesive ontology, set up reliable sealing structure, in order to prevent the education version fluid in bearing. Adjust the SKF bearing, bearing has the correct clearance and axial force, avoid mechanical damage caused by bearing loose.