Aligning ball bearings during operation shock factor analysis

Bearing is the main source of vibration shaker difficult to control, because the shaker is a great incentive by the work force to maintain the speed limit and the friction coefficient  spherical plain bearings, so bearing radial force suffered great shaker at work process, a lot of exciting force will cause the elastic vibration bearing system. If poor lubrication, it will have a greater friction bearing temperature is too high, the thermal expansion is too large, the radial clearance is significantly reduced, which in turn exacerbated the friction, temperature further.
Plain bearing locking way into two types:
1. staring screws attached bearing inner ring tight simply extend the partial locking screw nails, you can put export bearing fixed peg locking screw with hex wrench. Please select the appropriate size Allen wrench.
2. The locking sleeve bearings attached fair fair locking sleeve has a recess aligning ball bearing vibration and temperature within the recesses Kong its level in the bearing inner ring is also a local fair. First fair on the inner sleeve is positioned toward the direction of the axis of rotation, the rapid rotation of the bearing sleeve know chucking fair date, hex wrench to lock the screw tightly.
Vibration system with eccentric triple row roller slewing bearing system components, can be regarded as a single degree of freedom system. bearing drive shaft and the driven shaft systems exist in the resonant frequency of a certain value, and if a resonance frequency of the excitation frequency close to the resonance. In addition, due to the eccentricity of the existence of centrifugal force, it will produce bending vibrations affect bearing life of material factors, if the speed close to the critical value, the occurrence of bending resonance.
From falling off, indentation, corrosion, cracks, wear, etc. will be in bearing vibration measurement reflected, the bearing vibration of the bearing damage is very sensitive, so aligning ball tower crane bearing through the use of special bearing vibration measurements (frequency analyzer, etc.) to measure the size of vibration frequency can not be inferred by abnormal circumstances. After Since the measured values ​​due to the conditions of use or the sensor mounting position of the bearing, etc., and therefore requires prior to measurements of each machine are analyzed and compared to determine the criteria.
Because bearing even a slight peeling damage, abnormal tone and irregular tone will be issued, and therefore can be used to distinguish sound measuring device, the use of sound measuring device for the sound operation of the rolling bearing size and quality to be checked, since to advance the role of prevention.
If the use of the hole can be measured directly bearing outer ring temperature, is more appropriate position. In general, the temperature of the bearing, the bearing chamber is generally based on the outside temperature can be inferred. If lubrication, install the appropriate department, the self-aligning ball bearing temperature will be rapid rise, there will be abnormal high temperature, when to stop running and take the necessary precautions. Typically,  bearing temperature rise slowly with the start of the operation, after 1-2 hours to reach steady state. The normal temperature of the bearing due to heat capacity, heat capacity, speed and load of the machine and different. If necessary, you can always use heat sensors to monitor bearing operating temperature, and automatic alarm user or stop to prevent burning shaft accident temperature exceeds a predetermined value.