the reasons of nsk bearing retainer fracture
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First: NSK bearing cage abnormal load
Installed in place, tilt, easy cause of interference such as excessive clearance reduced to intensify the friction and heat, surface softening premature peeling exception, with the expansion of the peeling, flaking foreign body into the cage pocket hole, resulting in the cage operation block and generate the additional load, exacerbated by the wear of the cage, the role of such a cycle of deterioration, it may cause to keep the frame breaking.
: NSK bearing lubrication problems of poor
NSK Bearings operate in the state of the oil-poor, easy to form the adhesive wear, deterioration of the work surface state, the adhesive produced by wear tear things easy to enter the cage, the cage abnormal load may cause the cage fracture.
Third: NSK Bearings hard foreign matter
The intrusion of external hard foreign body, adding to the wear of the cage and the abnormal additional load may lead to cage fracture.
Fourth: NSK Bearings creep
Creep refers to the multi-ring slippage, with the face of interference is less than the case, the deviation in position to the circumferential direction because of the slide leaving the load point around the direction of movement, resulting in the ring relative axis or shell.
Fifth: NSK bearing cage material defects
Cracks, large pieces of different metal inclusions, shrinkage, bubble and riveting defects, missing nails, pads, nails, or two semi-cage combination of surface gap seriously riveting injury and so may result in the cage fracture.
234407BM 234706BM 234406BM 517/2860V/YA 5610/2500 517/1720X1V 527/1181M 510/1180M 517/930 510/670 590/560 510/500 52780 59080 517/368M 51760U 517/238 6207-2ZN 6206-2ZN 6205-2ZN 6204-2ZN 6203-RZ 6203-2ZN 6202N 6202-2ZN 6201-2ZN 6200ZZ 6200-2ZN 62/32-ZN 62/32-Z 62/32N 62/32-2Z 62/32-2RZ 62/32-2RS 62/28-2RZ 62/22-2RZ 61996 61992 61988 61984
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NSK Bearings cage fracture are sporadic non-normal failure mode analysis of NSK Bearings keep the aircraft breaking the reason we come from the following five aspects.First: NSK bearing cage abnormal load
Installed in place, tilt, easy cause of interference such as excessive clearance reduced to intensify the friction and heat, surface softening premature peeling exception, with the expansion of the peeling, flaking foreign body into the cage pocket hole, resulting in the cage operation block and generate the additional load, exacerbated by the wear of the cage, the role of such a cycle of deterioration, it may cause to keep the frame breaking.
: NSK bearing lubrication problems of poor
NSK Bearings operate in the state of the oil-poor, easy to form the adhesive wear, deterioration of the work surface state, the adhesive produced by wear tear things easy to enter the cage, the cage abnormal load may cause the cage fracture.
Third: NSK Bearings hard foreign matter
The intrusion of external hard foreign body, adding to the wear of the cage and the abnormal additional load may lead to cage fracture.
Fourth: NSK Bearings creep
Creep refers to the multi-ring slippage, with the face of interference is less than the case, the deviation in position to the circumferential direction because of the slide leaving the load point around the direction of movement, resulting in the ring relative axis or shell.
Fifth: NSK bearing cage material defects
Cracks, large pieces of different metal inclusions, shrinkage, bubble and riveting defects, missing nails, pads, nails, or two semi-cage combination of surface gap seriously riveting injury and so may result in the cage fracture.
