Hunan Jintai Hardware and Machinery Co., Ltd. Describes the relationship between material and performance of bearings
Rolling
bearing ferrule and tumbling body, one side repeatedly subjected to
high touch pressure, one side is accompanied by sliding tumbling touch. Holders,
one side with the rings and torsion on both sides, or one side of the
sliding touch, side by the tension and contraction. Therefore, the bearing rings, tumblers and cage material, function, important plea is as follows. The following are the same as the "
Ferrule, tumbling material required function: tumbling fatigue strength high hardness high wear resistance
Cage material pleases function: Good scale and good mechanical strength
In addition, there is a need for good processing. According to the use of different, but also plead for its impact resistance, heat resistance, good corrosion resistance. The following are the same as the "
Ferrule and tumbling material: ferrule and tumbling body generally use high carbon chrome bearing steel. Most of the bearings, the use of JIS steel in the SUJ2. Large bearings use SUJ3. SUJ2 chemical composition, in the world, as a sliding bearing material has been standardized.
For example: with the AISL52100 (US), DIN100Cr6 (West Germany), BS535A99 (UK), etc. are the same kind of steel. The following are the same as the "
Further
need to impact the situation, as a bearing material using chrome steel,
chrome molybdenum steel, nickel chrome molybdenum steel, the use of
carburizing quenching, so that the steel from the surface to the
appropriate depth of a softening layer. With
appropriate softening depth, fine organization, suitable for hardness
of the surface and the hardness of the carburizing bearing, bearing than
the use of bearing steel with excellent impact resistance, the
individual carburizing bearing steel chemical composition. The following are the same as the "
NSK implemented a vacuum degassing treatment, so the use of high purity materials, oxygen content, good quality. And then adopted the appropriate heat treatment, so that the rolling bearing life expectancy significantly forward. The following are the same as the "
In
addition to the above-mentioned steel, according to the special
purpose, but also the use of high heat resistance of high-speed steel,
good corrosion resistance of stainless steel. The following are the same as the "
Cage material: stamping cage material, the use of low carbon steel. According to the use of different, but also the use of brass plate, stainless steel plate. Cut the material of the cage, the use of high-strength brass, carbon steel, in addition to the use of differentiated resin.
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