开发和生产人工试验,以检查正在运行的发动机组件的磨损行为-第二部分:实验性衍生设计
Patrick Brag1, Volker Piotter2, Klaus Plewa2
1Department of Ultraclean Technology and Micromanufacturing, Fraunhofer Institute for Manufacturing Engineering and Automation IPA, Nobelstrasse 12, 70569 Stuttgart, Germany.
Materials (Basel, Switzerland)
|September 28, 2023
概括
通过微粉末注射成型 (MicroPIM) 制造的人工测试团被证明过于脆弱,无法在 tribological 系统中进行破坏性颗粒测试. 需要对MicroPIM进行进一步开发,以创建适合发动机磨损验证的测试颗粒.
科学领域:
- 部落学 (tribology) 是一个学科.
- 制造业 工程 制造工程
- 材料科学 材料科学 材料科学
背景情况:
- 减去性制造产生了诸如状的残留物,这些残留物可以损害诸如日志轴承等 tribological 系统.
- 严格的清洁要求在生产中至关重要,以防止发动机过早损坏.
- 破坏性颗粒试验验证了这些要求,但由于缺乏标准化试验颗粒和设置,它们的利用不足.
研究的目的:
- 用微粉末注塑成型 (MicroPIM) 来制造人工试验群的过程链.
- 为了评估MicroPIM制造的swarf的适用性,作为对真实污染物的替代品,在损害颗粒测试中用于tribological系统.
主要方法:
- 人工试验群是使用微粉末注塑成型 (MicroPIM) 制造的.
- 人工群体的大小和形状是从真实的群体数据中抽象出来的.
- 使用测试设置进行了实验,以评估人工在轴承间隙中的性能.
主要成果:
- MicroPIM成功地生产了有针对性的制造公差的人工,尽管一些设计准则受到损害.
- 在拆模过程中更高的弹射力表明需要为自由成型几何形状进行模具设计调整.
- 人工测试卷呈现出意想不到的脆性,在轴承间隙中磨削而不会造成重大损坏,使其不适合作为微磨卷卷的直接替代品.
结论:
- 目前由MicroPIM生产的人工群是不适合替代微磨群在损害颗粒测试对tribological系统由于其脆弱性.
- MicroPIM具有在要求较低的机械力应用中制造试验颗粒的潜力.
- 需要进一步的研究和开发来优化MicroPIM流程,以创建更强大的人工污染物用于磨损测试.
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