In room temperature,under load and continuous lubrication condition, malleable iron,wear resistant iron,naduar iron,chilled iron with 45 # steel can be employed;chilled with wear resistant iron;chilled with chilled iron comparative testing research friction-wear characteristics of chilled iron.
在室温、载荷及连续润滑条件下 ,用可锻铸铁、耐磨铸铁、球墨铸铁、激冷铸铁与 4 5 # 钢 ,激冷铸铁与耐磨铸铁 ,激冷铸铁与激冷铸铁对磨试验 ,研究了激冷铸铁的摩擦磨损性能 结果表明 ,激冷铸铁的摩擦系数与磨损量均小于可锻铸铁与耐磨铸铁 ,其摩擦系数波动在 0 。
An equivalent heat transfer coefficient method is used to handle the water cooling mold boundary condition, in which the radiation, gap heat resistance and water cooling mold boundary between the billet and the mold are taken into account.
提出了处理水冷铸型边界条件的等效换热系数法,该法综合考虑了铸件与铸型间的辐射换热、间隙热阻及水冷铸型边界条件。