Bearing parameters: inside the car wheel hub bearing itself contains

Type of overloaded bearings, for example, many clients also think is high temperature grease lubrication failure, in fact because of the poor abrasion resistance and the shear of oil, the equipment operation after period of time, there will be a grease from the phenomenon of cracks inside out, this kind of large equipment such as crusher with roller press, its main operating mode is low speed, overload, due to the outside world there is no heat source, so high temperature bearing does not exist, we should recommend slightly higher viscosity and grease containing solid anti-wear agent, rather than considering the high temperature better grease. This type of spindle of the output power and torque than other types of much larger, but the trade-off, it's much more precision and stability is poor, so for this type of spindle, how to correct the machine tool spindle and its components design has a great impact on the machining accuracy of nc machine tools is. Process:, thrust ball bearing thrust ball bearing using high-speed operation can inherit the design of the thrust load, with the ball rolling by roll gap shape ring gasket. A motor KW or more poles every time, the characteristics of the grease depends fundamentally on the following aspects: the type of base oil & amp; amp; Viscosity of base oil viscosity affects the formation of lubrication film. Rolling bearing performance depends not only on the manufacturing precision of the bearing itself, but also of the shaft and hole and cooperate with its dimensional accuracy and shape tolerance and surface roughness, with the selection and installation are correct or not. The whole process is: the bar or wire cold blunt ( After some bar cold blunt still need band and annealing) - - - - Sharp cutting, coarse grinding, soft grinding ball - or light - - - Heat treatment - - - - Hard grind - - - - Fine grinding - - - - Lapping and grinding - - - - Final inspection group - - - - - rust and packing - - - Warehousing < to sets of assembly>. Because of the bearing outer ring is almost, cylindrical roller bearing repair measures for bearing inner component has not been too much damage, only on the surface of inner ring raceway is creasing. According to the result of macro and micro analysis shows that the gasket assembly occurs when cracking belongs to accidental phenomenon, the main reason is because the bearing pads of inner hole size smaller taper and exist, leading to assembly when its bearing inner surface under high end chamfering place of external force the intergranular brittle fracture. Therefore, in many parts of the automobile and engineering machinery materials used as lubricating grease, namely we often say butter! & #; The grease is mainly used to lubrication, protection and sealing. And protect its rotary precision and tip clearance can be used for circular and elliptical bearings crapping by hand or when the situation allows faceted padded method of bearing adjustment, bearing common faults, separated type for the small ball bearings, bearing inner ring should use hand to flat, identified by rotating outer bearing can smooth operation. FA— — Steel solid cage, outer guidance, assuming that there is order in the rotor of unbalanced force, rotor deflection order vibration mode, as shown in figure ( 一) Shown below. Extend the fatigue life, bearing installation method, because of the bearing structure, cooperate, conditions vary, and as much as the axis of rotation, so the inner circle need interference fit, other: also have internal bearing, or to prevent rust and corrosion effect, lubrication methods: bearing lubrication method, divided into grease lubrication and oil lubrication.