摘 要
本次毕业设计的题目是“汽车变速箱端面钻孔专用机床设计”。在工艺制定过程中，通过批量的进行钻底孔的加工方案，并寻求最佳的工艺方案，借此说明了工艺在生产过程中的重要性。本人的设计的主要内容是：进行了机床总体布局设计；对机床的进给和传动部分进行了设计；结合实例，介绍了夹具设计方法；通过此设计，本机床完全能满足设计要求，与传统的机床相比，本机床具有自动化程度高，生产率高，精度高等优点。 
 
关键词：组合机床；钻底孔；夹具设计；自动

Abstract
    The topic of this graduation design is "design of automobile gearbox end drilling machine". Making process in the process, with a mass of drill hole processing program, and to seek the optimal process scheme, to take note of the importance of technology in the production process. My design of the main content is: were the design layout of the machine; of machine tool feed and transmission part design; with an example, and describes the design method of fixture; with this design, the machine can fully meet the design requirements, compared with the traditional machine tools, the machine has high degree of automation, high productivity the advantages of high precision,.
Keywords: modular machine tool; fixture design; automatic drill hole;