Roasting before the oil bearing powder metallurgy material selection is very important, Changzhou Feng Jing: aluminum powder metallurgy products the best roasting oil bearing material, because aluminum is a conductive, thermal conductivity, excellent corrosion resistance, light metal bearingusing its powder plus some of one or more of copper, magnesium, silicon, manganese, zinc, nickel and other alloying elements, can improve its mechanical properties. Can also improve the corrosion resistance, abrasion resistance, and low thermal expansion coefficient and other properties.
The powder is a combination of aluminum and other trace elements is also a widely used industrial data. It at room temperature and high temperature strength has been significantly improved oil-impregnated sintered bearings in use today, despite the vast majority of the iron-based and copper-based, but in some special conditions, sintered aluminum oil bearing still has an important position. Sintered aluminum oil bearing in addition to some of the excellent performance of the metallic aluminum and aluminum alloy, as sintering data, but also has the advantages of low sintering temperature, size, easy to control and easy shaping.
Oil-retaining bearing in before roasting material selection is very important, such as the use of excessive hardness of the metal material calcined likely cause the oil bearing fracture occurred in the roasting process, if the material is too soft in the roasting time is very difficult to achieve the standards too high ductility material, very little bump also lead to inaccurate. So, in the oily bearing roasting before powder metallurgy materials with a very important. |
