1、 本科生毕业本科生毕业论文论文 差速器壳体钻、铣加工机床设计差速器壳体钻、铣加工机床设计 The designing of drill and milling machine for differential shell 摘要摘要 应用组合机床加工大批量零件,快捷高效,生产效率高是机械加工的发展方 向。本次设计的任务是针对差速器壳体零件端面加工要求设计专用机床,实现钻 铣复合加工。要求结合零件结构设计加工工艺,组合钻铣工装设计,液压控制系 统设计,组合机床设计。 在工艺制定过程中,通过生产批量的分析确定差速器壳体的加工方案,并寻 求最佳的工艺方案, 借此说明了工艺在生产工程中的重要性; 在组合
2、钻铣工序中, 结合差速器外壳特点,设计专业组合机床,结合具体实例和设计经验,阐述通用 件的选取及专用部件的设计计算,并采用 CATIA 软件进行三维建模;在液压控 制系统设计过程中,以立式铣削机床为对象,依据液压系统设计原理,拟出合理 的液压系统图,并结合 PLC 系统特点,编写 PLC 液压系统程序,实现机床自动 化,高效化。 关键词:组合机床 多轴箱 工艺 液压传动 PLC Abstract This paper introduces the design of the box joint part of carding machine drill combination machine,
3、which is widely used for its high efficiency.The mission is designed for end-processing differential shell parts designed for machine tools, and drilling milling complex processing. This design task includes four parts: working out processing technology of joint part of Differential, design and asse
4、mble of main spindle box, design hydraulic control parts, design combination machine tool. During process planning, define the productive process of joint part of Differential and find out the best process plan by analyzing production lot, which show process planning is very important in product pro
5、cess;In combination drilling milling processes, with the differential housing characteristics, design the machine professional portfolio, with specific examples and design experience, describe the selection of generic and exclusive parts of the design, use CATIA three-dimensional modeling software t
6、o model the design. In the hydraulic control system design process, with the vertical milling machine, basing on the hydraulic system design principle, draw a reasonable hydraulic system plans,and with PLC features, Programming Hydraulic Control for PLC,to improve machine antomation and efficient. Keywords: Combination Machine Multi-axle box Technology Hydraulic transmission PLC I 目 录 第一章第一章 引言引言 1 1.1 本课题研究的提出背景和意义本课题研究的提出背景和意义 .1 1.2 国内外发展现状国内外发展现状 1 1.2.1 世界汽车行业发展现世界汽车行业发展现状状 .1 1.2.2 中