The dynamism of the reliability of machines and equipment has the objective of availability, leading to the development of several techniques of predictive maintenance, to define the ideal point for the intervention. Among the several predictive techniques, the analysis of lubricants has its highlight. In this sense, lubricants are used to reduce friction and wear between two interacting surfaces, filling the space of surface imperfections. In this way, wear is common even with the use of lubricating oils on the interacting surfaces. Thus, an artefact for ascertaining the wear particles by size in lubricating oils is analytical ferrography. In this way, this work presents the development of a low cost rotary separator prototype to obtain ferrograms, through five distinct combinations of permanent magnets and electronic devices. Several combinations of magnets were used and it was concluded that the 03, 04, and 05 combinations showed a better formation quality of ferrous wear particle rings. In addition, only two rings were formed in the 04 combination, but this was the best combination by size separation.

中文翻译：

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用于制造分析铁谱的铁谱设备的设计、构造和评估

机器和设备的可靠性动态以可用性为目标，导致开发了几种预测性维护技术，以确定干预的理想点。在几种预测技术中，对润滑油的分析有其亮点。从这个意义上说，润滑剂用于减少两个相互作用表面之间的摩擦和磨损，填充表面缺陷的空间。这样，即使在相互作用的表面上使用润滑油，磨损也很常见。因此，通过尺寸确定润滑油中磨损颗粒的人工制品是分析铁谱。通过这种方式，这项工作展示了通过永磁体和电子设备的五种不同组合来获得铁谱的低成本旋转分离器原型的开发。使用了几种磁铁组合，得出的结论是，03、04 和 05 组合显示出更好的铁质磨损颗粒环的形成质量。此外，04 组合中仅形成了两个环，但这是按尺寸分离的最佳组合。