小型混凝土搅拌车发动机损坏的原因_常见问题_自动搅拌一体车_自动搅拌一体机

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小型混凝土搅拌车发动机损坏的原因

所属分类：常见问题发布时间：2021-11-27 来源：http://www.shanqijituan.cn/ 浏览量：0

自动搅拌车经过长时间使用之后就会发生一些问题，例如发动机损坏的情况，今天为大家介绍一下自动搅拌车发动机损坏的原因：

Some problems will occur after long-term use of the automatic mixer, such as engine damage. Today, let's introduce the causes of engine damage of the automatic mixer:

自动上料搅拌车

Automatic feeding mixer

气门脚空地的调整：配气安排各机件在正常运用中，跟着零件的磨损，气门脚空地将发生改动。如凸轮气门杆端面及挺杆接触面磨损后空地将变大，而气门头与气门座磨损后空地又变小，因此，在调整中应取空地的基地值为宜。

Adjustment of valve foot clearance: during the normal operation of various parts of the valve arrangement, the valve foot clearance will be changed with the wear of parts. For example, after the cam valve stem end face and tappet contact surface are worn, the open space will become larger, and after the valve head and valve seat are worn, the open space will become smaller. Therefore, the base value of the open space should be taken in the adjustment.

气门座的铰削：气门座铰削通常为手作业业，应格外重视三个疑问：一是在消凹陷斑驳，能铰出无缺锥面的基础上，铰削量越小越好；二是铰削时用力要均匀，起刀收刀要轻，少铰多调查，以保证较少的铰削量和较高的光洁度；三是与气门试配，判定好作业面方位和宽度。

Valve seat reaming: valve seat reaming is usually manual operation, so we should pay special attention to three questions: first, on the basis of eliminating depression and mottle and being able to ream out a perfect cone, the smaller the reaming amount, the better; Second, the force during reaming shall be uniform, the starting and closing of the knife shall be light, less reaming and more investigation, so as to ensure less reaming amount and higher finish; Third, trial fit with the valve to determine the orientation and width of the working surface.

自动搅拌车修补质量差在修补作业中出的疑问是气门与气门座作业面加工质量达不到恳求，构成作业面烧蚀凹陷而前期损坏；凸轮轴轴承在刮削中其协作空地接触面积各轴承同心度达不到恳求，加速磨损，呈现异响构成前期损坏；气门导管在更换上新件时，铰削质量达不到规矩恳求，直接影响气门及气门座运用寿数。

The repair quality of automatic mixer truck is poor. The problem in the repair operation is that the processing quality of the working surface of valve and valve seat can not meet the requirements, which constitutes the ablation depression of the working surface and early damage; During scraping, the contact area of camshaft bearing can not reach the required concentricity, which accelerates wear, presents abnormal noise and constitutes early damage; When the valve guide is replaced with a new part, the reaming quality can not meet the requirements, which directly affects the service life of the valve and valve seat.

以上就是自动搅拌一体车http://www.shanqijituan.cn为大家介绍的内容，感谢您在百忙之中查看我公司的信息内容，如果您想要了解的更多，欢迎您来电进行咨询!

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