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首页> 外文期刊>Journal of the Institution of Engineers (Inida) >Process Capability Analysis of Vacuum Moulding for Development of Al-Al_2O_3 MMC
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Process Capability Analysis of Vacuum Moulding for Development of Al-Al_2O_3 MMC

机译：开发Al-Al_2O_3 MMC的真空成型工艺能力分析

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摘要

The purpose of the present study is to investigate process capability of vacuum moulding (VM) for development of Al-Al_2O_3 metal matrix composite (MMC). Starting from the identification of component, prototypes were prepared (with three different input parameters namely: vacuum pressure; component volume and sand grit size to give output in form of dimensional accuracy). Measurements on the coordinate measuring machine helped in calculating the dimensional tolerances of the Al-Al_2O_3 MMC prepared. Some important mechanical properties were also compared to verify the suitability of the components. Final components produced are acceptable as per ISO standard UNI EN 20286-I (1995). The results of study suggest that VM process lies in ±4.5 sigma (σ) limit as regard to dimensional accuracy of Al-Al_2O_3 MMC is concerned. This process ensures rapid production of pre-series technological prototypes and proof of concept at less production cost and time.
机译：本研究的目的是研究开发Al-Al_2O_3金属基复合材料（MMC）的真空成型（VM）的工艺能力。从组件的识别开始，准备了原型（具有三个不同的输入参数，即：真空压力；组件的体积和沙粒尺寸，以便以尺寸精度形式提供输出）。在坐标测量机上的测量有助于计算所制备的Al-Al_2O_3 MMC的尺寸公差。还比较了一些重要的机械性能，以验证部件的适用性。根据ISO标准UNI EN 20286-I（1995），生产的最终部件是可接受的。研究结果表明，就Al-Al_2O_3 MMC的尺寸精度而言，VM工艺处于±4.5 sigma（σ）范围内。此过程可确保以更少的生产成本和时间来快速生产前置系列技术原型和概念验证。

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