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标 题: Design and performance evaluation of a 3D printed aerostatic bearing concept with high number of micro-orifices
高微孔数量三维打印气动轴承概念的设计与性能评估
作 者: Gorkem Agoren
Abdurrahim Dal
Tuncay Karacay
关键词: Aerostatic bearings  [气动轴承]
Load capacity  [ 载重能力]
Micro-orifices  [ 微小孔口]
Additive manufacturing  [ 增材制造]
SLA  [ 服务等级协议]
出版年: 2025
期刊名: Proceedings of the Institution of Mechanical Engineers
机械工程师学会会刊
年卷期: 2025, vol.239, no.4
摘 要: This study suggests a 3D printed aerostatic bearing concept. The design has a high number of orifices distributed around the bearing to obtain smoother pressure distribution for performance. Inner channels are formed to connect and feed air to each orifice using the advantage of additive manufacturing. The concept is investigated numerically to determine the performance gain of the high number of orifices by calculating bearing stiffness and load carrying capacity. In order to validate the simulation and performance gain an experimental study is conducted by testing Stereolithography (SLA)type 3D printed bearings with various orifice numbers. The bearing stiffnesses and mass flow rates of the specimens are measured, and results are discussed in terms of performance by comparing numerical results. The 3D printed bearings concept has shown promising results in terms of performance while keeping air consumption limited compared to conventional air bearings.

本研究提出了一种3D打印的静压轴承概念。该设计在轴承周围布置了大量孔口,以实现更均匀的压力分布,从而提升性能。利用增材制造的优势,形成了内部通道,将空气连接并输送至各个孔口。通过数值模拟分析,计算轴承刚度和承载能力,以确定多孔结构带来的性能提升。为验证仿真结果及性能改进,开展了实验研究,测试了不同孔数的立体光刻(SLA)型3D打印轴承。测量了试样中的轴承刚度和质量流量,并通过与数值结果对比,从性能角度讨论了实验结果。该3D打印轴承概念在保持空气消耗量相对较低的同时,展现出良好的性能表现。
中文内容为网络AI翻译,专业术语未必准确,仅供参考。

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