目录 摘要....................................................................I 1绪论..................................................................1 1.1课题研究的目的及意义..............................................1 1.2轿车制动器的发展状况..............................................1 2研究课题简介..........................................................3 2.1课题主要内容......................................................3 2.2课题研究方案......................................................3 2.3本章小结..........................................................4 3制动器的结构形式......................................................5 3.1制动系统的基本概念................................................5 3.2鼓式制动器结构形式简介............................................6 3.3盘式制动器结构形式简介............................................8 3.4盘式制动器的优缺点................................................9 3.5该轿车制动器结构的最终选择........................................9 3.6本章小结..........................................................10 4制动器主要参数及其选择..............................................11 4.1制动力与制动力分配系数..........................................11 4.2同步附着系数.....................................................15 4.3制动强度和附着系数利用率.........................................16 4.4制动器最大制动力矩...............................................17 4.5制动器因数.......................................................18 4.6盘式制动器主要参数的确定.........................................19 4.7本章小结.........................................................20 5制动器的设计计算....................................................21 5.1摩擦衬块的磨损特性计算...........................................21 5.2制动器的热容量和温升核算.........................................22 5.3盘式制动器制动力矩的计算.........................................23 5.4驻车制动计算.....................................................24 5.5本章小结.........................................................25 6制动器主要零部件的结构设计............................................26 6.1制动盘...........................................................26 6.2制动钳...........................................................26 6.3制动块...........................................................27 6.4摩擦材料.........................................................27 6.5制动轮缸.........................................................28 6.6制动器间隙.......................................................28 6.7本章小结.........................................................29 7制动驱动机构的结构形式选择与设计计算.................................30 7.1制动驱动机构的结构型式选择........................................30 7.2制动管路的多回路系统..............................................32 7.3液压制动驱动机构的设计计算........................................33 7.3.1制动轮缸直径与工作容积......................................33 7.3.2制动主缸直径与工作容积......................................34 7.3.3制动踏板力与踏板行程........................................35 7.3.4制动主缸....................................................36 7.4本章小结..........................................................36 8CATIA建模............................................................37 8.1CATIA软件.........................................................37 8.2绘制的主要CATIA零件图............................................38 结论....................................................................40 参考文献.................................................................41 致谢....................................................................43 附录A..................................................................44 附录B..................................................................53