文档介绍：分类号密级宁 XXXX 学院毕业设计( 论文) XK7130 数控铣床(设计) -工作台及床身设计所在学院专业班级姓名学号指导老师年月日诚信承诺我谨在此承诺:本人所写的毕业论文《 XK7130 数控铣床(设计) -工作台及床身设计》均系本人独立完成,没有抄袭行为,凡涉及其他作者的观点和材料,均作了注释,若有不实,后果由本人承担。承诺人(签名): 年月日摘要本全面阐述了数控铣床的结构原理,设计特点,论述了采用伺服电机和滚珠丝杠螺母副的优点。详细介绍了数控铣床的结构设计及校核,并进行了分析。另外汇总了有关技术参数。其中着重介绍了滚珠丝杠的原理及选用原则,系统地对滚珠丝杠生产、应用等环节进行了介绍。包括种类选择、参数选择、精度选择、循环方式选择、与主机匹配的原则以及厂家的选择等。关键词:铣床,数控,伺服电机,滚珠丝杠 Abstract prehensively the numerical C planer type milling machine's structure principle, the design feature, elaborated has used step-by-steps the electrical machinery and the ball bearing guide screw nut vice-merit. Introduced in detail the numerical C planer type milling machine's structural design and the examination, and have carried on the analysis. And piled the related technical parameter. In which introduced emphatically the ball bearing guide screw principle and selects the principle , To ball bearing links and soon guide screw production, application has systematically carried on the introduction. Including the type choice, the parameter choice, the precision choice, the round-robin mode choice, the principle as well as the factory choice which matches with the main engine and soon. Key Words: milling machine, Numerical contro l, Step-by-step , serve motor, Ball bearing guide screw nut 目录摘要....................................................................................................................................... III Abstract ..................................................................................................................................... IV 目录........................................................................................................................................ V 第1章绪论........................................................................................................................... 7 数控系统的发展及趋势............................................................................................ 7 数控铣床加工的基本原理............................................