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发动机缸体双面扩孔组合机床总体设计及右主轴箱设计
摘要：本课题设计的是发动机缸体双面扩孔组合机床，此机床是对发动机缸体零件的两侧面六个孔进行扩孔加工。
本次设计的组合机床主要由总体设计和右主轴箱的设计两部分构成。第一部分主要是对机床的配置形式进行确定、选择机床设计的结构方案，对所设计的机床进行三图一卡绘制。第二部分的右主轴箱设计包括绘制主轴箱设计原始依据图、确定主轴和齿轮、完成动力计算、设计传动系统、绘制主轴箱装配图和零件图。在进行组合机床总体设计时，第一步是对发动机缸体零件进行分析，应根据发动机缸体两侧面上6个孔的位置精度、表面粗糙度及其他技术要求，拟订总体方案。本次所需加工的发动机缸体零件是需要大量生产的，在对第二部分进行设计的时候，需要考虑装夹引起的误差问题。考虑到孔比较多，需要把原来的单孔加工改为多孔加工。
本次设计的机床，是用来对发动机缸体零件进行加工的机床，具有实际的意义与价值。
关键词:组合机床；零件加工；右主轴箱设计
Design of General and Rear Headstock of Modular Machine Tool for Enlarging Holes on Cylinder Body
Abstract:This subject comes from Jianghuai power group, engine cylinder block is the one of the products of mass production in Jianghuai. This issue is the design of aggregated machine tool surface for enlargingsix holes on two-side of cylinder diesel,The aggregatedmachine tool is used to enlarge6 holes, which are on the left and right surfaces.
The important point of this topic is the system design and the right headstock design. In the first part includes the definite of the aggregated machine tool, the selecting of the structure plan and the drawing of “three pictures and one card”. The right headstock design includes drawing the primitive basic chart for the headstock, determining the system, drawing the headstock assembly drawing and thepart processing chart.Conducting modular machine to system design,first engine cylinder block’sleft and right surface enlarging 6 holes accuracy of the location, surface roughness, and other technical requirements,develop overall program.The headstock is a product which needs maspindle and the gears, completing the power computation, designing the transmission s production. Headstock in the design, the design is the main ideas from the original multi-channel process to the processing of porous single hole while processing, this design is mainly to solve the fixture by the time the positioning error caused the problems to ensure the accuracy of the location of holes.
This aggregated machine tool for enlarging holes on cylinder body design comes from Jianghuai power group. This design has much actual meaning and value.
Key word:Aggregated machine tool; Part manufacturing;Right headstock design
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