CA车床开环纵向系统设计说明书（有全套图纸）.doc

目录 摘要及关键词············································································2 正文·······························································································3 前言部分·······················································································3 本论部分·······················································································4 第1章 绪论····················································································4 1.1 机床机电一体化改造总体方案的设计··············································4 1.2 开环伺服进给系统机械部分设计····················································4 第2章 机床机电一体化改造总体方案的设计·······························5 2.1 课程设计任务书············································································5 2.2 总体方案设计···············································································6 第3章 开环伺服进给系统机械部分设计·······································7 3.1 确定系统脉冲当量·········································································7 3.2 计算切削力···················································································7 3.3 滚珠丝杠螺母副的计算选型（纵向进给丝杠）····································8 3.4 齿轮传动比计算···········································································11 3.5 步进电动机的计算和选型······························································12 摘要及关键词 【摘要】 数控机床作为机电一体化的典型产品，在机械制造业中发挥着巨大的作用，很好地解决了现代机械制造中结构复杂、精密、批量小、多变零件的加工问题，且能稳定产品的加工质量，大幅度地提高生产效率。但从目前企业面临的情况看，因数控机床价格较贵，一次性投资较大使企业心有余而力不足。我国作为机床大国，拥有大量的普通机床。因此，对普通机床数控化改造不失为一种较好的选择。 【关键词】 机电一体化 开环控制纵向进给系统设计 滚珠丝杠螺母副 步进电动机  正文 前言部分 计算机技术和先进制造技术的发展，推动了机械加工在各方面的变革和进步。典型的数控机床已成为现代加工器械的鲜明代表。考虑到企业的生产效率和投入成本，普通 从上表3-3查出110BYG3503型步进电动机空载起动频率为，图3-2（/docc/product2.htm）查出运行频率为，且根据下图3-2 b）蓝色背景区所示可知，。 图3-2 110BYG3503型步进电动机矩频特性 从图3-2看出，当步进电动机起动时，若，则，能满足此机床所要求的空载起动力矩可直接起动。 当快速运动和切削进给时，根据图3-2，步进电动机运行矩频特性知，时，左右，大于，完全可以满足要求。 结论部分 经过计算、校核、设计，表明改造任务的初步设计合理，数据准确，现改造方案已设计成图纸——见装配图（图01）和零件图（图02）。  参考文献 查阅的图书如下： 《机电一体化系统设计课程设计指导书》……赵洪兵主编，西安石油大学出版。 《机电一体