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    正 文
    胶黏剂技术在汽车装配上的应用探讨
    Application of adhesive technology in automobile assembly
    发布时间:2018.08.09    浏览次数:476次

    摘要:当今社会汽车产业发展日新月异,汽车装配行业也发展迅速,汽车胶黏剂作为生产汽车的一种必不可少的材料,能够有效地保护汽车安全,为用户提供安静、舒适的乘车环境,同时也能美化汽车外观。人们对胶黏剂的关注程度不断增加,胶黏剂技术的研究与应用也随之逐步深化与拓展。笔者在介绍了当前胶黏剂技术在汽车装配上的应用的基础上,简要探讨了其发展趋势。

    关键词:胶黏剂技术;汽车装配;应用探讨

    创造汽车过程中的一种极为关键的物质是汽车胶黏剂,尤其是随着时代的发展,人们越来越喜欢速度快、绿色环保、低能耗、轻便、耐用的汽车,对汽车的要求越来越高,越来越个性化,而汽车胶黏剂对于提高汽车的性能有着无可取代的作用,如可以保护汽车结构完整,降低汽车的震动幅度,减少汽车产生的噪音与温度,为用户创造一个安静、舒适、温馨的环境。因此,我们需要不断加深对胶黏剂的认识,拓展胶黏剂在汽车上的应用,开发出新的使用途径,使其作用得到最大程度的发挥。

    1汽车胶黏剂研究和应用的现状

    (1)汽车折边胶折边胶能够减少汽车点焊结构的存在,多用来联接汽车门、后备箱外板等的内部和外部。现在,我国使用最多的折边胶材料是环氧树脂类,厂家对环氧树脂类的研究、创新也非常多,并且在国际汽车标准的条件下,产生了各种各样不同的品种,其黏连效果更加好,在使用时产生的气体更加安全无害,得到了市场的检验,受到了人们的欢迎。

    (2)顶棚胶黏剂汽车内部的装饰很多都用到顶棚胶黏剂,包括硬质、软质装饰。顶棚胶黏剂多在流水生产线上应用,非常柔软,黏连度也比较好,然而顶棚胶黏剂也有其不可忽视的缺陷,即在使用过程中容易产生有害物质,不利于生产者的身体健康,不利于环境保护,还可能发生火灾事故;顶棚胶黏剂在汽车温度高时可能融化,导致汽车顶棚软化,受到损害。一般来说,软质顶棚的材料主要包括PVC、PU等,硬质顶棚主要包括瓦楞纸、毛毡等。

    (3)焊缝密封胶焊缝密封胶主要用在装饰车体表层时,将焊缝密封胶涂在缝隙间,在温度降低,焊缝密封胶凝固后,能够很好地保证汽车内部的封闭性、大大缓解车身生锈的速度,提高汽车的美观度,使汽车能给用户一种舒适的视觉观感。PVC树脂技术的发展、纳米技术的拓展也推动了焊缝密封胶技术的研究与应用,其中值得一提的是LY-2A焊缝密封胶。LY一2A焊缝密封胶,主要用于车体内部和外部的黏结,填补各种缝隙,密封效果非常好,而且由于LY一2A焊缝密封胶可以在汽车进行点焊、卷边等操作之前进行,不会干扰到汽车的电泳漆系统,操作十分简单快捷,很大程度上增强了汽车的安全性能和外表观感,也有利于汽车的后期保养。

    (4)挡风玻璃黏接密封胶挡风玻璃黏接密封胶是目前各大汽车集团广为应用的一项工艺,主要用于较高水平的汽车挡风玻璃,操作手法简单直接,难度低,有着许多优势,如黏连度高,不易融化,挡风密封效果强,持久耐用。目前欧美发达国家率先研发除了一些挡风玻璃黏接密封胶,需要在室温环境下立刻进行凝固处理,而且要在特定的环境里进行存储,存储时间至少达到半年。这些挡风玻璃黏接密封胶比一般的密封胶的生产难度高很多,技术要求很高,再加上我国相关生产材料不足,生产设施不够先进,这类挡风玻璃黏接密封胶使用的较少。

    2胶黏剂技术在汽车装配上发展方向的探讨

    随着时代的发展,人们越来越喜欢速度快、绿色环保、低能耗、轻便、耐用的汽车,对汽车的要求越来越高,越来越个性化,对汽车胶黏剂技术的要求也越来越多。总体来说,胶黏剂技术的发展方向主要有无毒无害,保护环境,黏连性优良、减少生产成本、使用范围广泛的速溶胶、能够适应独特环境的专用胶等。

    3结语

    综上所述,随着时代的发展,人们对汽车的要求越来越高,越来越个性化,而汽车胶黏剂对于提高汽车的性能有着无可取代的作用,如可以保护汽车结构完整,降低汽车的震动幅度,减少汽车产生的噪音与温度,为用户创造一个安静、舒适、温馨的环境。随着我国经济的发展,技术的进步,我国汽车用胶黏剂技术逐步与国际接轨,朝着绿色环保型、高性能型、多功能型方向发展,适合汽车产品使用要求和工艺性能要求的水基胶、热熔胶、低密度塑溶胶、高强度结构胶等将会得到更多的应用。

    来源:期刊—化工学理,中国汽车材料网编辑整理

    作者:张楠李宗

    (长城汽车股份有限公司)

     

    Abstract: Nowadays, the development of the automobile industry is changing rapidly, and the automobile assembly industry is developing rapidly. As a necessary material for the production of automobile, the automobile adhesive can effectively protect the safety of the car, provide the quiet and comfortable environment for the users, and can also beautify the appearance of the car. People pay more and more attention to adhesives, and the research and application of adhesives technology are gradually deepened and expanded. On the basis of introducing the current application of adhesive technology in automobile assembly, the author briefly discusses its development trend.
    Key words: adhesive technology; automobile assembly; application discussion
    One of the most important substances in the process of creating cars is automotive adhesive. Especially with the development of the times, people are increasingly interested in fast, green, low energy, light and durable cars. The requirements for cars are becoming higher and more personalized, and automotive adhesives have the ability to improve the performance of automobiles. The role of no replacement, such as the protection of the car structure, reduce the vibration amplitude of the car, reduce the noise and temperature generated by the car for the user to create a quiet, comfortable, warm environment. Therefore, we need to deepen the understanding of the adhesives, expand the application of adhesives in the car, develop new ways of use, to maximize its role.
    1 current status of research and application of automotive adhesives
    (1) The automobile folding glue can reduce the existence of automobile spot welding structure, which is used to connect the interior and exterior of automobile door and the outer panel of the trunk. Now, the most used fold adhesive materials in our country are epoxy resins, and the manufacturers have a lot of research and innovation on the epoxy resin. And under the international standard of automobile, various kinds of different kinds have been produced. The adhesive effect is better, the gas produced in the use is more safe and harmless, and the market has been obtained. The test was welcomed by people.
    (2) Roof adhesives are widely used in automobile interior decoration, including rigid and soft decoration. Top shelf adhesives are mostly used in water production line, very soft, and the viscosity is also better. However, the ceiling glue also has its defects that can not be ignored, that is, it is easy to produce harmful substances in the process of use, which is not conducive to the health of the producers, is not conducive to environmental protection, and can also occur in fire accidents; ceiling glue is used in the process. Vehicles may melt at high temperatures, causing the roof to soften and damage. Generally speaking, the soft roof material mainly includes PVC, PU and so on, the hard roof mainly includes corrugated paper, felt and so on.
    (3) sealant sealant sealant is mainly used to decorate the surface of the car body, and the sealant is applied to the gap between the sealants and the seam sealant. When the temperature is reduced and the sealant is solidified, the seal of the sealant can be well guaranteed, the speed of the car body rust is greatly relieved, the beauty of the car is improved, and the car can give the user a kind of comfort. Visual perception. The development of PVC resin technology and nanotechnology also promote the research and application of weld sealant technology, especially LY-2A sealant. LY a 2A sealant, mainly used for the internal and external bonding of the car body, filling a variety of cracks, the sealing effect is very good, and because the LY 2A sealant sealant can be carried out before the auto spot welding, roll edge and other operations, it will not interfere with the auto electrophoretic paint system. It is very simple and fast and greatly enhanced. The safety performance and appearance of the car, but also conducive to the later maintenance of the car.
    (4) windshield bonding sealant adhesive sealant adhesive sealant is a technology widely used by various automobile groups at present. It is mainly used in high level automobile windshield. It is simple and direct and has many advantages, such as high viscosity, not easy melting, strong sealing effect and durable durability. At present, the developed countries of Europe and America have taken the lead in developing in addition to some windshield adhesive sealants, which need to be treated immediately at room temperature, and should be stored in a specific environment for at least half a year. These windshield bonding sealants are much more difficult than the ordinary sealant, and the technical requirements are high, and the related production materials in our country are insufficient, the production facilities are not advanced, and the windshield adhesive sealants are less used.
    Discussion on the Development Direction of 2 Adhesive Technology in Automobile Assembly
    With the development of the times, more and more people like fast, green, low energy, light and durable cars. The demand for cars is more and more high, more and more personalized, and more and more automotive adhesive technology is required. In general, the development direction of adhesive technology mainly includes innocuity and innocuity, protection of environment, good adhesion, reduction of production cost, wide use of fast sol, special adhesive to adapt to the unique environment.
    3 conclusion
    In summary, with the development of the times, the demand for cars is becoming more and more high, and more and more personalized, and the automotive adhesive has an indispensable role in improving the performance of the car. For example, it can protect the car's structure, reduce the vibration amplitude, reduce the noise and temperature of the car, and create one for the user. A quiet, comfortable and warm environment. With the development of China's economy and the progress of technology, China's automotive adhesive technology is gradually integrating with the world, developing towards green, high performance and multi-functional. The water based adhesive, hot melt adhesive, low density plasticsol and high strength structural adhesive, which are suitable for the use and process performance of automobile products, will be obtained. To more should

     
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