How to deal with high temperature bearing failure symptoms

Common high temperature bearing fault symptoms: ( 1) A rolling element and raceway crack, strain and burning marks, fatigue peeling, falling away from corrosion; ( 2) Outer ring strain, corrosion serious; ( 3) Inner ring strain, crack and electric erosion; ( 4) Maintains a loose, rivet beheaded, crack, deformation; ( 5) Inner ring looks and roller they point corrosion, pitting, discoloration, etc. For you according to the above the reason, processing methods of high temperature bearing faults in detail analysis: a, hernia of loose seal cover and the outer ring is incomplete because of the expansion of manufacturers in recent years, some bearing skills guarantee ability is insufficient, the production of the bearing can't meet the requirements for the speed of the train, and after bearing loading after the violent vibration, easy to loose enclosure emerge, and clashes with the cover easily cause wrinkle, seal cover with loose out deprived bearing sealing effect. Because of bearing seal failure bearing internal easily to sand, mud, oil shortage, make bearing internal smooth, causing all kinds of bearing internal problem, severe crisis when driving safety. The causes of such problems: 1, planning next to exist inside the front cover on the surface and seal cover, the shortcomings of small oil seal end clearance; 2, maintenance units at all levels to seal cover and the outer ring threaded master relaxed, because in the process of running wheel tread problem caused by impact force is too large, lead to bearing outer ring elastic deformation and the change of the two cooperate state, turn 8 a bogie is high speed work or diamond when it passed curve bend deformation faults; 3, overload, partial load, heavy wait for a reason. Cover seal on the general failure to follow change new product maintenance; Seal cover after plastic outer ring when not perhaps the general maintenance and overhaul the threaded and sealing cover interference fit is too small to cause loose; Accelerated after the seal cover sealing ring and sealing of many conflicts intensified, so as to drive the seal cover a scroll, makes the loose seal cover; Column check only in accordance with the relevant provisions to deal with seal cover out of trouble, and loose problem for the sealing cover is not into 9 line processing, lead to have loose loose seal cover. Processing: this kind of problem in the railway locomotive operation maintenance rules, inspection must change the wheel processing, shall not be forced, Or use the wood quietly tapping) The reset after release. Bearing outer ring is incomplete for the vehicle when loading, collision or by loading and unloading machinery vehicle derailment accidents collision with other substances, about such problems are dealt with check the wheel should be replaced. Second, bearing the characteristics of the loss from the our country in recent years of 6 k locomotive traction motor bearing burning situation analysis, has the following several characteristics: ( 1) Rolling element bearings with inner and outer ring raceway jammed; ( 2) And its bearing block cover serious overheating discoloration; ( 3) Inner ring axial relative sliding occurred; ( 4) Bearing cage fracture; Why the previous: bearing made of graphite next: how high temperature bearing lubrication oil?