The cause of the loss of combined needle roller bearing a lot, all the influence elements of design and manufacture process will be associated with the loss of combined needle roller bearing, bad discriminant analysis.
But in the ordinary circumstances, generally can be from two aspects: the use of elements and inner thought and analysis.
Loss combination use elements of needle roller bearing is mainly refers to install, use, maintenance, repair and other care can fit technology begged.
Installation conditions is to use one of the primary elements of elements, the combination of needle roller bearings are often incurred due to installation are not suitable for combination of needle roller bearings between various parts of a complete set of stress change, combined needle roller bearing in the abnormal state run and loss.
According to the combination of needle bearing installation, use and maintenance, the technical begged, care of running combined needle roller bearing on the load, speed, temperature, vibration, noise and suspend monitoring and inspection, lubrication condition of abnormal immediately to find the reason, to suspend the adjustment, so that it is back to normal.
In addition, the quality of grease and the surrounding medium, the atmosphere to suspend the analysis test is also very important.
Proper lubrication can also combined the use of high temperature needle roller bearing is a big, fat of lubricating grease with seal, seal structure and lubrication equipment simple, add grease lunch, so just working conditions allow, combination needle roller bearing with grease lubrication.
Oil lubrication cooling effect is strong, and can be taken from within the combined needle roller bearing dirt and moisture.
Combined needle roller bearing lubrication oil lubrication methods have pressure oil lubrication, oil lubrication, oil mist lubrication and oil lubrication.
Under the pressure oil lubrication is normal speed combined needle roller bearing is the most effective way of lubrication.
Oil lubrication is the lubricating oil with certain pressure through in a combination of nozzle spray into the bearing on one side of the needle roller bearing internal suspend lubrication, ordinary application combined needle roller bearing at high speed, or place of pressure oil supply lubrication cannot satisfy cooling begged.
Containing a mist spray lubrication is drab and squeeze the air into the combined needle roller bearing internal suspend lubrication, use less oil, due to the effect of air, cooling effect is extremely strong.
Pressure oil lubrication and oil lubrication are installed into the demand, flowline, lubrication pump, oil reservoir, sometimes need to lube oil cooler, therefore, the cost is higher, general combined needle roller bearing is used less.
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