简介:摘要无轴承电机技术高速发展,其在社会中的作用也越来越大,使用的领域也非常的广泛。本文从无轴承电机的起源和发展说起,分析了无轴承电机的特点及应用领域,最后阐述了无轴承电机的应用前景。
简介:摘要:氮化物涂层在高温轴承中的应用较为广泛,但由于在无油润滑条件下,摩擦因数的大小是决定涂层是否能成功应用的主要因素。本研究以GCr15轴承钢为基体材料,采用激光熔覆技术在其表面制备氮化物涂层,并与45#钢进行对比分析。通过球-盘摩擦磨损试验及显微形貌观察对摩擦机理进行探讨。结果表明:氮化物涂层的润滑性能及耐磨性能优于45#钢,且与GCr15轴承钢相比,氮化物涂层的磨损率更低。
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