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Influence of Pressure Head and Sand Fineness on Filling Ability of US A356

机译:压力头和沙子细度对US A356填充能力的影响

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摘要

Most of the defects in castings generally originate at the filling stage. A good mould filling ability alloy assists to produce long thin walled sections and reproduce finer contours of the moulds [1]. To understand the mould filling ability, pin test piece with cylindrical cores proposed by Engler & Ellerbrok [2] is used. The Parameters that are affecting the mould filling ability are pressure head, alloy composition, fineness of sand, mould coat and pouring temperature. In the present study, process parameters such as graphite mould coat, fineness of sand and pouring temperature are emphasized [1,3]. The mould filling ability of aluminium alloy US A 356 has been studied in the present investigation.
机译:铸件中的大多数缺陷通常源于灌装阶段。 良好的模具填充能力合金有助于生产长薄壁部分并再现模具的更细的轮廓[1]。 要了解模具灌装能力,使用具有Engler和Ellbrok [2]提出的圆柱形芯的销试验片。 影响模具灌装能力的参数是压头,合金组成,砂,模塑涂层的细度和浇注温度。 在本研究中,强调了工艺参数,例如石墨模具涂层,砂和浇注温度的细度[1,3]。 本研究已经研究了铝合金US A 356的模具灌装能力。

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