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一、前言即使在今天,在美国、欧洲的飞机场和市场的停车场上仍能看到象日本十年前那种汽车漏油的痕迹,然而,还不能说日本汽车的油封和密封垫就完全不存在漏油问题,从已掌握的市场情况来看,仍处于随漏油故障的增多和减少而时忧时喜的状态。目前汽车油封的基本状况是,为了大幅度降低市场上的漏油故障,提高可靠性,延长寿命以及适应节能措施——轻量化、润滑油低粘度化及油封低扭矩化等的要求,正在研制密封性能优良的油封,并作为目前的研究课题。
I. Preface Even today in the United States, Europe, airports and market parking lot can still be seen like Japan, a decade ago that car traces of oil spills, however, can not say that the Japanese car seals and gaskets There is absolutely no oil spill problem. From the market situation it has mastered, it is still in a state of frequent worries with the increase and decrease of oil spill failure. At present, the basic condition of automotive oil seals is that they are under development in order to drastically reduce oil spills in the market, increase reliability, extend their life span, and meet energy-saving measures such as lightweight, low viscosity of lubricating oil and low torque of oil seals Sealing performance of the oil seal, and as the current research topic.