论文部分内容阅读
:简述了铸铁制动闸瓦的优缺点 ,并对其进行试验研究 ,以改善铸铁制动闸瓦在高速下的运用性能。研究结果表明 ,在铸铁中添加金刚砂粉末能增加铸铁制动闸瓦的摩擦系数 ,因而开发出内装 4个金刚砂镶块的新型铸铁制动闸瓦。此外 ,还分析了带或不带铜粉末的金刚砂镶块的抗破碎性能。带金刚砂铜粉末镶块和混合成分镶块的新型铸铁制动闸瓦优于普通铸铁制动闸瓦
: The advantages and disadvantages of cast iron brake shoe are briefly described and the experimental study is conducted to improve the serviceability of cast iron brake shoe under high speed. The results show that the addition of emery powder to the cast iron can increase the friction coefficient of cast iron brake shoe, so a new cast iron brake shoe with 4 emery inserts is developed. In addition, the crushing resistance of emery inserts with or without copper powder was analyzed. New cast iron brakes with diamond-encrusted copper powder inserts and mixed-component inserts are superior to conventional cast iron brake shoes