摘要: 金属切削机床中的组合机床，是根据工件加工需要，以大量通用部件为基础，配以少量专用部件组成的一种高效专用机床。它具有生产率高、加工精度稳定、研制周期短、便于设计、制造和使用文护、成本低、配置灵活等。正是由于这些特点的存在，决定了组合机床在当今新形势下仍能被广泛应用于汽车、拖拉机、柴油机、电机、仪器仪表、军工及自行车等轻工行业和机床、机车、工程机械等制造业中。27902
此次设计的是铣削组合机床及主轴组件。首先，对机床进行总体设计，确定总体方案后得到机床总体布局图；再着重进行主轴组件的设计，其中包括主轴的设计、支承的选取、主轴轴向移动机构和主轴锁紧机构等的设计。
毕业论文关键词：组合机床:；主轴组件；刚度；主轴；轴承；轴向调节机构 
Combined milling machine and spindle unit
Abstract： The combination machine tool in the metal cutting machine tool is a kind of high-efficient special machine tool, which is based on the work piece machining, and is composed of a lot of common components. It has high productivity, stable processing accuracy, short development cycle, easy to design, manufacture and use maintenance, low cost, flexible configuration, etc. It is because of the existence of these characteristics, determines the combination of machine tools in today's new situation still can be widely used in the manufacturing of automobiles, tractors, diesel engine, motor, instrumentation, military and bike in light industry and machine tools, locomotives, construction machinery etc.
  This time design is the milling machine tool and spindle components. First, the machine tool were overall design, the general layout of the machine determine the overall program; and focus on the design of spindle assembly, which comprises a main shaft design and support selection, spindle axial movement mechanism and the spindle lock tight mechanism design.
Keywords：Modular Machine； spindle components；stiffness；spindle； bearings； axial adjustment
目录
1.绪论    3
1.1课题的研究背景    3
1.2组合机床的介绍    4
1.3发展组合机床的意义    4
2.组合机床结构单元    5
2.1组合机床主要零部件组成    5
2.2组合机床基本结构单元    5
3.组合机床方案总体设计    5
3.1机床总体方案设计依据    6
3.2机床总体布局    6
3.3机床运动的确定    7
3.4机床主要技术参数的确定    7
3.5动力参数—主运动驱动电动机功率的确定    9
3.6进给驱动电动机功率的确定    10
4.主轴组件设计    11
4.1 主轴的基本要求    11
4.1.1 旋转精度    11
4.1.2 刚度    11
4.1.3抗振性    12
4.1.4温升和热变形    13
4.1.5耐磨性    13
4.1.6其他    13
4.2主轴组件的布局    14
4.2.1适应刚度和承载能力的要求    14
4.2.2适应精度的要求    15
4.2.3适应转速要求    15
4.2.4适应结构的要求    16
4.2.5适应经济性要求    16
4.3主轴的材料与热处理    16
4.4主轴结构的初步拟定    17
4.5主轴的技术要求    18
4.5.1轴颈    18
4.5.2内锥孔    19
4.6主轴组件的计算    19
4.6.1主轴直径的选择    19 铣削组合机床及主轴部件+CAD图纸:http://www.youerw.com/jixie/lunwen_22559.html