摩擦学测试有助于汽车制造的发展

对更高水平的性能和节能的需求不断提高，继续推动创新的汽车组件开发。正在进行非凡的研发努力，以满足这一不断变化的需求，以及伴随他们的相应严格法规以及当前的预算和较短的响应期。在这种情况下，引入新材料和/或最近为市场设计的零件需要精确，重大评估，以避免产品故障和召回。

Significance of Tribology Tests

摩擦学测试play an important role by quickly evaluating to quantified parameters, such as breaking/failure points, coefficient of friction, and lifetime. as well as by using small samples in an economical way. Using small samples, tests can be developed to imitate real use to accurately benchmark the best assembly, best material, or best texture for a specified purpose. These tests can narrow down potential materials and components before presenting final candidates for testing in larger, more costly full-scale test systems. A number of examples are outlined below.

申请

新法规禁止使用铜和铅，因此制动垫制造商探索了在制动中具有不变或改进性能的垫子的新材料。亚博网站下载通常，制动垫通过测功机进行测试和评估，该系统的运行费用相当大，需要大量时间来计划和执行。

To reduce the cost and number of these full-scale tests, faster small-scale tests can narrow down testing to just a few final candidates. For example, apin-on-disk tribology testthat is precisely developed to match the desired application can be used for choosing the best material/composite replacement candidate. In such an instance, the geometry and diameter of the test pads, as well as the load and rotating speed must be cautiously linked to the standards established with the full dynamometer test. The current leading benchtop systems enable this process to be accomplished quickly and easily, allowing manufacturers the freedom to fully try out a variety of pad materials and composition without high costs.

离合器材料的开发中也发生了同样的趋势。新的法规和对产品寿命增加的需求已导致对必须测试的新组件材料进行了调查。亚博网站下载同样，使用常规的平盘测试来模拟离合器的使用并与SAE标准测试一起使用。摩擦学专业知识可以适当设计测试，并保证在新的材料选择方面取得成功并增加成功。

Another example of how benchtop testing can shorten manufacturing development time is with lubricants. Lubricants play a significant role in diesel engines, as well as in electric vehicles. An electrical vehicle drives rotational speeds of up to 10,000 RPM, which means that it needs evaluation of rheology at high frequencies. A tribometer system with complete control of speed and load can rapidly and automatically produce a Stribeck curve that establishes the boundaries between mix, boundary, and hydrodynamic regimes. And now, in today’s top tribology testing instruments, specially designed force sensors and high-frequency oscillating stages enable true correlative information for SRV tests.

概括

In addition to pure tribology testing, users can gain further insights into the surface texture of new or current materials by measuring spatial parameters. White light interferometry (WLI) 3D optical profiling can perfectly capture fine micro-roughness before testing, as well as surface bearing capability after a short tribology test. With the top testing and metrology tools available today, automotive manufacturers are better able to keep pace with new safety and performance standards, without sacrificing speed to market or the need for radically increased spending.

该信息已从布鲁克·纳米（Bruker Nano）表面提供的材料中采购，审查和改编。亚博网站下载

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