设立了奥地利GmbH介绍了滚动轴承的笼子里with DLC (Diamond-like Carbon) coating. These steel cages coated with DLC are tougher and last longer than the standard, uncoated brass variants, and are ideally suited to harsh operating conditions. Other bearing components besides cages can also be treated with the amorphous carbon coating.
作为提高其滚动轴承的性能能力的持续努力的一部分，NKE研究了表面涂料技术，并使用替代的笼子材料。在具有高径向加速度，离心力或振动的机器中使用的轴承通常配备内环或外环引导，主要是一件式的固体黄铜笼，以最大程度地减少笼子对运动可能产生的任何不良影响滚动元素的特征。典型应用程序的示例包括大端轴承，快速加速的变速箱或发电机系统。尽管坚固的黄铜笼子是公认的标准，但它们仍受到某些操作限制。在重载，过度磨损的应用中，可能会发生笼子导向表面甚至机械故障的磨损。
为了提高径向圆柱辊轴承和径向深凹槽滚珠轴承的性能，苛刻的操作条件使用NKE使用由高强度材料制成的笼子，其无定形碳涂层，带有NKE SQUIX SQ202的DLC涂层。这增加了对破裂的抵抗力，并降低了滚动轴承肩和笼子之间的摩擦系数，有助于防止过早磨损或磨损，尤其是在润滑难度的应用中。笼子的首选材料是钢，具体取决于轴承的设计，笼子可能是内环或外环指导的固体钢。这些笼子用后缀f（p）a或fpb相应地识别。
The coating itself must satisfy the following requirements: it must be hard and wear-resistant, and adhere to the surface for the entire operating period. Due to its low coefficient of friction and good sliding properties, the coating provides protection from adhesive wear and withstands lubricant starvation conditions. One of the most important properties of the coating is that it prevents wear and thus also the abrasion particles that become trapped by the lubricating grease in the bearing. The wear process cannot be entirely stopped, but the coating improves the steel cages resistance to wear significantly, preventing scuffing on the cage support surfaces. It helps to prolong the service life of bearings significantly in extreme operating conditions. The use of the coating is not restricted to cages practically all NKE bearing components made from steel can be supplied with this surface treatment.
该涂层已与客户共同进行了针对应用的特定测试，并获得了非常积极的结果。轴承的使用寿命大大延长，机械故障被完全消除。当直接与未涂层的黄铜笼子变体进行比较时，带有SQ202涂层的钢笼在恶劣的应用环境中的磨损和强度方面显然提供了出色的性能。
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