气门摇臂支座加工工艺及夹具设计_车辆工程.pdf

资料分类:工业大学 上传会员:julu1004 更新时间:2014-05-09
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摘要:机械加工行业作为一个传统而富有活力的行业,近十几年取得了突飞猛进的发 展,在新经济时代,行业呈现了新的发展趋势,由此对其它的质量,性能要求有了新 的变化。现在机械加工行业发生着结构性变化,工艺工装的设计与改良已成为企业生 存和发展的必要条件,工艺工装的设计与改良直接影响加工产品的质量与性能。

   随着社会的需要,各种型号不一,功率不一的柴油机生产数量将不断的增长,而 气门摇臂轴支座是柴油机上不可或缺的一个零件,也就是意味着气门摇臂轴支座的生 产数量也将是与日俱增,为了创造出更大的效益,设计出轻便,经久耐用,便于生产 的气门摇臂轴支座这一零件是很有必要的。

   本文首先介绍了气门摇臂轴支座的作用和工艺分析,其次确定毛坯尺寸,然后进 行了工艺规程设计,最后进行夹具设计。此次设计是对气门摇臂轴支座的加工工艺和 夹具设计,其零件为铸件,具有体积小,零件结构简单的特点,由于面比孔易加工, 在制定工艺规程时,就先加工面,再以面为基准来加工其它,其中各工序夹具都采用 专用夹具,其机构设计简单,方便且能满足要求。

关键词:气门摇臂轴支座,工艺分析 ,工艺规程设计 ,夹具设计

 

Abstract:Machining industry ,as a traditional and vibrant industry, has been rapidly developed for  a  few  past  decades.  In  the  new  economic  area,the  industry  presented  a  new development trend,and the trends also changes the quality and the performance of the production in some new abstracts. Machining industry is now taking place in structural changes, process design and improvement of equipment has become the necessary conditions of the enterprise survival and development, process equipment design and improved products directly affect the quality and performance.

  With the needs of the community, various models of different power diesel engines of varying the number will continue to increase production, while the valve rocker shaft bearing is an integral part diesel engine, that is, valve rocker shaft support means Block will also be increasing the number of production, in order to create greater efficiency, to design lightweight, durable, easy to manufacture the valve rocker arm bearing of this part is necessary.

  This article introduces the role and process analysis of the valve rocker arm bearing support,followed by determining blank size, and then proceed to order the design process, the final fixture design. What will be disgned is The machining process and fixture design of the Valve Rocker Arm Bearing support,which has the chatacteristics of three abstrcat.its components for castings, with a small size, simple structure and the characteristics of parts,because the surface is easier than the easy processing, point of order in the development process, the surface on the first processing , and then to surface as a benchmark to other processing, including the processes used special fixture, and its design is simple, convenient and can meet the requirements.

Keywords: Valve rocker arm bearing support, process analysis, Process design, fixture design

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上传会员 julu1004 对本文的描述:根据零件图和产品装配图,对零件进行工艺分析 在对气门摇臂周支座进行工艺规程设计时,应掌握该零件在部件或总成中的位置、公用以及部件或总成对该零件提出的技术要求,明确零......
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