The causes of the limit speed noise of fag deep groove ball bearing

FAG deep groove ball bearing are a type of industrial roller bearing designed to handle high radial and axial loads. These bearings feature a single row of deep, raceway grooves in the inner and outer rings, which allows for smooth and efficient operation. FAG deep groove ball bearing are commonly used in industries such as automotive, mining, and manufacturing, where high-speed rotation and reliability are paramount. With their durable construction and precision engineering, FAG deep groove ball bearing are trusted by many industries to improve their machinery’s performance and longevity.

The speed noise of fag deep groove ball bearing

The fag deep groove ball bearing is allowed to have a slight running sound during operation. If the sound is too loud or there is abnormal noise or impact sound, it indicates that the bearing is faulty.
The reasons for the noise of deep groove ball bearing are complex. One is the wear of the mating surfaces of the inner and outer rings of the bearing. Due to this wear, the matching relationship between bearing and shell, rolling bearing and shaft is damaged, resulting in the axis deviation from the correct position and abnormal sound when the shaft moves at high speed. When fag bearing is tired, its surface metal will peel off, which will also increase the radial clearance of the bearing and produce abnormal noise.
In addition, insufficient bearing lubrication, dry friction and bearing breakage will produce abnormal sound. After the bearing is worn and loose, the cage is loose and damaged, which will also produce abnormal noise.The causes of the limit speed noise of fag deep groove ball bearing
Raceway sound of bearing and its control method raceway sound is a kind of slippery and continuous sound made by the moving bullet moving on the raceway surface when fag bearing is running. What types of bearing seals are there?. It is a special sound without moving bearings in cities.
General bearing sound is equal to raceway sound plus other sounds. The raceway sound of ball bearing is irregular, and its frequency is above 1000Hz.The causes of the limit speed noise of fag deep groove ball bearing

Its frequency does not change with the speed, but its partial sound pressure level increases with the acceleration of the speed. For bearings with loud raceway sound, the sound pressure level of raceway sound decreases with the addition of viscosity; The sound pressure level of fag bearing with low raceway noise changes from reduction to no deletion when the viscosity increases to more than 20mm2 / s.The causes of the limit speed noise of fag deep groove ball bearing
The greater the rigidity of the bearing pedestal, the lower the partial sound pressure level of the raceway sound. If the radial gap is too small, the partial sound pressure level and slave frequency of raceway sound will increase sharply with the reduction of radial gap.
There is no way to control the sound of raceway: choose low-noise bearings, that is, bearings with small waviness, and carefully choose the premise of utilization. Raceway noise often affects the noise of zero machinery. Reducing raceway noise can reduce the noise of zero machinery.The causes of the limit speed noise of fag deep groove ball bearing
The impact sound of the moving projectile and its control method when the larger type of ball bearing or deep groove ball bearing is running at low speed under pure radial load, due to the small centrifugal force of the moving projectile, the moving projectile in the non load area will impact the connecting frame or raceway and make noise.
But with the advance of the speed, that kind of sound will disappear. There is no way to control the impact sound of moving projectile: properly reduce the radial clearance, and use the bearing of connecting frame without reasonable layout and material.The causes of the limit speed noise of fag deep groove ball bearing
The rolling sound of fag bearing and its control method rolling sound is the harsh metal friction sound that may occur anywhere in the bearing. Most of it occurs outside the larger bearing with grease lubrication, but it is more difficult to occur outside the lubricating grease with degraded base oil function, and it hardly occurs during oil lubrication. In addition, it is more difficult to occur in winter. When bearing pure radial load, it is less difficult to occur in places with large radial clearance.
Moreover, with the difference of model size, it is less difficult to occur in a specific speed range, which will occur continuously and intermittently. The special processing method adopted for the outer race raceway can prevent the rolling sound.
When necessary, we can choose that kind of bearing, or appropriately reduce the radial clearance of the bearing, and use the poor lubricating grease and forward to obtain the rigidity of the matching parts of the bearing.

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