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If the bearing in good state to swing low SOB or buzzing sound, bearing outer ring grooves on the tracks can cause vibration, and sound like the coo of a smooth. Seven, thrust ball bearing by the gasket groove of the roll ring and ball and cage components, cooperate with axial circle of raceway called axial circle, cooperate with shell of raceway ring as the seat. According to the number of the motor, remove the excess grease, operating various functions switches, buttons, knobs, action can not be too hard, too fast, can't press two buttons at the same time. Take the first round of testing, water ring vacuum pump in use process will happen sometimes bearing sound condition, if not handled in time often can cause the damage of water ring vacuum pump motor. & emsp; & emsp; Table is set when the accident was recorded data, as well as in the: : and: : record data, no records have accident when generator bearing temperature and wind speed data, its value is to burn out, may be because the sensor or wiring caused by burn out. Venus mechanical suggest broad user, reinforced shredding machine equipment operation process, bearing temperature and bearing parts of noise, to timely treatment, what reason can form bearing heating phenomenon of the present? Reinforced torn oil pipe leakage, lack of oil pressure; Tubing plugging, poor lubrication grease activity; Lubricating oil is too dirty, mixed with sundry; Between bearing and axle space is too small; Lubricating oil selection is not appropriate, particle size is too big or too small; Before the winter started didn't open the oil temperature heater, oil too sticky; In the summer, and from the oil pump oil through the oil cooler, oil cooler or shortcomings, such as poor water pipe plug, water and water; Bearing cooling water unit faults occur, such as congestion, etc. ; Discharging mouth a tuning is too small ( The thrust plate is too long) The eccentric shaft force is too large; Drive belt pull too tight, the bearing stress is too big. Tile spacer records bearing block contact bearings spherical bearing clearance oil baffle ring radial gap measuring clearance record bearing and oil baffle, adjust bearing clearance record summary table hydrogen compression bearing clearance and force of commonly used equipment for hydrogen compressor, hereinafter referred to as hydrogen compressor. Ten, point contact ball bearing can bear radial load and axial load, two-way single bearing can be combined to replace the front or on the back of the combination of the angular contact ball bearings, applies to pure axial load or under axial load component larger synthetic load, the bearing axial load in any directions can form one of the contact Angle, so both sides of the ring with the ball always in contact with the online knife point contact. Due to increasing level of production automation, which can make the motor without maintenance safety running, bearing is the weak link in motor, now mostly adopts enclosed rolling bearings, small motor bearing no longer supplement after filling oil grease, normal manufacturer production of bearing can run continuously for more than two years. Now, a airway from gas turbine blades and guide vane, blade surface laser with holes, useful work on the blade surface gas film between high temperature gas. Hammer type drying crusher rotation of the rotor material will break up, hot material drying, air separation will have broken drying materials to room, fine powder into the cyclone tube separation, then coarse particle back into the hammer crusher broken again. In fact, under the condition of ambition, the so-called persistent bearing life is possible, pay special attention to, oil seal is very fragile parts, NSK bearings in check and remove don't overexert, so as to avoid damage to bearing parts.