8.密封垫片起什么作用,如何选择和使用? 答:密封垫片安装在机器壳体、盖板等零件的结合面之间,防止漏机油、漏气、漏水的“三漏”现象;有些垫片还兼有调节装配间隙的作用,因此厚度必须均匀,表面必须平整,不能随意更改。大多数垫片是装配机器时临时制作的,但有些重要的垫片,例如气缸垫,是作为发动机配件制成成品供应的。使用垫片一定要按照不同的安装部位及其功用选择相应材料制作。在受压力很小,而且零件表面 8. What is the role of the gasket, how to choose and use? A: The gasket installed in the machine casing, cover and other parts of the combination between the surface to prevent leakage of oil, leaks, leaking Phenomenon; some pads also have the role of regulating the assembly gap, so the thickness must be uniform, the surface must be smooth, can not be arbitrarily changed. Most gaskets are produced temporarily when the machine is assembled, but some important gaskets, such as cylinder pads, are supplied as finished parts for engine parts. Use the gasket must be installed in accordance with the different parts and their function to choose the appropriate material. The pressure is small, but also the surface of the parts