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怎么判断活塞装没装反?

来源:http://www.jnrunao.com/ 日期:2021-10-12 发布人:runao
如今汽车已经成为人们生活的必须品了,而且现在汽车在我国的保有量也是非常庞大的,那么自然现在对于汽车当中的一些知识点也成为了一大热门,那么今天小编就来给大家针对怎么判断活塞装没装反来进行一个介绍以便大家能够更了解到汽车相关的一些知识。
Nowadays, cars have become a necessity for people's life, and now the number of cars in China is also very large. Naturally, some knowledge points about cars have become a hot topic. Today, Xiaobian will give you an introduction on how to judge whether the piston is installed upside down, so that you can better understand some knowledge about cars.
判断活塞装没装反的方法:安装活塞时,需要关注活塞顶部的凹槽及各种标记,顶部设有非对称凹槽的活塞,将凹槽与进气门相对应是一种简便的判断方法。活塞常见的标记方式是箭头和EXH,箭头指向发动机前部,即安装有曲轴皮带轮的一侧,EXH代表排气,即此处是为排气门设置的凹槽。
Method to judge whether the piston is installed reversely: when installing the piston, pay attention to the groove and various marks on the top of the piston. For the piston with asymmetric groove on the top, it is a simple judgment method to correspond the groove to the inlet valve. The common marking methods of the piston are arrow and exh. The arrow points to the front of the engine, that is, the side where the crankshaft pulley is installed. Exh represents exhaust, that is, here is the groove set for the exhaust valve.
活塞是汽车发动机汽缸体中做往复运动的机件,基本结构可分为顶部、头部和裙部。活塞顶部是组成燃烧室的主要部分,其形状与所选用的燃烧室形式有关,汽油机多采用平顶活塞,其优点是吸热面积小。柴油机活塞顶部常常有各种各样的凹坑,其具体形状、位置和大小都必须与柴油机的混合气形成与燃烧的要求相适应。
Piston is a reciprocating part in automobile engine cylinder block. Its basic structure can be divided into top, head and skirt. The top of the piston is the main part of the combustion chamber, and its shape is related to the selected combustion chamber form. Gasoline engines mostly use flat top pistons, which has the advantage of small heat absorption area. There are various pits on the top of diesel engine piston, and their specific shape, position and size must meet the requirements of diesel engine mixture formation and combustion.
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