机械机电类毕业论文(毕业设计)-185柴油机连杆孔研磨装置毕业设计.doc

摘要
连杆是柴油机中非常重要的一个部件,它连接了活塞与曲轴,把作用在活塞顶面的气体膨胀的力传给了曲轴,使活塞的往复运动变为了曲轴的旋转运动。连杆在工作中承受着剧烈变化的动载荷,承受着瞬变的旋转压力。连杆在运动中形成的惯性力和离心力相当大,在这样的工作条件下,要求连杆有强度高、重量轻、刚性好、韧性强、使用寿命长的特点。
连杆大小头孔在金刚镗床上加工后进行手动滚压小头孔,这种加工只适应于小批量生产,然而在大批量的生产中就没有实际的意义,因为这种加工不容易达到精度和表面粗糙度要求。为了解决这一问题,需要在加工方法上进行改进,使用能同时研磨大小头孔的专用装置,以提高生产率,减轻劳动强度,提高加工精度,所以设计了这台能同时研磨大小头孔的专用机床。
关键词:连杆,研磨,改进,效率
ABSTRACT
Connecting rod is a very important diesel ponent. It links the piston and crank, piston top face in the role of the gas expansion of the crank to enable the movement to the piston into the rotation of the crank movement. Connecting rod dramatic changes in their work bear the moving load, the D-bear pressure. Connecting rod in the movement of inertia and centrifugal force considerable power in the working conditions for connecting rod with high intensity, light weight, although good, strong resilience, life-long characteristics.
Connecting rod sizes in the first lords boring lathe processing Kong after the first small hand rollers Kong, which only apply to small batch processing, and then in the production of large quantities of no practical significance, since it is not easy to achieve precision processing and surface roughness. To address this problem, the need for improvements in processing methods, and equipment used to the size of the first Kong dedicated machine tools to increase productivity and reduce labor intensity, and enhance processing accuracy.
Keywords:Connecting rod,Grinding, improve,efficiency
目录
中文摘要 II
ABSTRACT II
1 绪论 2
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设计主要内容 2
2 总体传动方案的拟定 2
设计的目的分析 2
主运动传动方案的确定 2
进给运动传动方案的确定 2
进给系统的选择 2
方案的比较和确定 2
3 主要零件设计、计算及分析 2
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