- Produktkategorie
- Kolbenstange
- Linearlager
- Hohlwelle
- Gelin Spalte
- Der zylindrische Linearführ..
- Silberstahl Unterstützung
- Kugelgewindetrieb
- Optischen Achse
- Walze
- -//W3C//DTD HTML 4.01 Trans..
- Leitst?nder
- Chrome Stangen
- Welle aus Edelstahl
- TBI Kugelumlaufspindel
- Links
- Zuhause > Nachrichten > The imported bearing material performance relationship
We all know that good quality of imported bearings imported bearings do not know why the quality is so good, so good performance, it all technically advanced? Is China not such a good technology? Say so, then you are wrong, not bearing technology and foreign technology has been almost the same, difference is bearing materials. We take a look at the relationship between imported bearing materials performance, after reading you clear.
Have a certain impact on the choice of materials bearing the bearing performance.
Rings and rolling elements of rolling bearings, one side repeatedly subjected to high contact pressure, one side of the rolling contact accompanied with sliding. Holder, side sliding contact with rings and rolling elements on both sides, or a party, side bear tension and compression forces. Therefore, the material of the bearing rings, rolling elements and cage, performance, the following main requirements.
Ferrule, the required performance of the rolling material:
High abrasion resistance of high rolling fatigue strength Hardness
To maintain the desired properties of the frame material:
Good dimensional stability and mechanical strength
In addition, you also need good workability. According to different purposes, there are requirements to their impact resistance, heat resistance, good corrosion resistance.
Ferrule and the material of the rolling body:
Rings and rolling usually use carbon chromium bearing steel. Most of the bearings, use JIS steel SUJ2. Large bearing SUJ3.
SUJ2 the chemical composition, as a bearing material in the world, has been normalized. : AISL52100 (USA), DIN100Cr6 (West Germany), BS535A99 (UK) are the same kinds of steel.
Further need for impact resistance of the case, as a bearing material using a chromium steel, chromium-molybdenum steels, nickel-chromium-molybdenum steel, carburizing quenching, the steel has a hardened layer from the surface to the proper depth. With the appropriate hardening depth, fine tissue, the appropriate hardness of the surface and hardness of heart infiltration of carbon bearing than the bearing using a bearing steel having excellent impact resistance, the chemical composition of the general carburizing bearing steel.
NSK bearings embodiment of the vacuum degassing treatment, Therefore, the use of a high degree of material purity, the less oxygen content and good quality. And then using the appropriate heat treatment, so that the rolling fatigue life of the bearings significantly improved.
The steels described above, according to the special purposes, but also to use the high speed steel of the excellent heat resistance, good corrosion resistance of stainless steel.
Cage material:
The punched retainer material, the use of low carbon steel. Depending on the application, use a brass plate, stainless steel plate. Cutting material holder, the use of high strength brass, carbon steel, in addition, also the use of synthetic resin.
keywords: A piston rod, the hollow shaft, linear axis,
Sie sind der 1334027 Besucher
Copyright © GuangDong ICP No. 10089450, Die Dongguan City Jinnuo Machinery Science and Technology Co., Ltd All rights reserved.
Technischer Support: ShenZhen Immer Technology Development Co., Ltd
Immer Network 's Disclaimer: Die Legitimität des Enterprise Information übernimmt keine Garantie Verantwortung