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1. 发明申请

WO2015061156A1 THERMALLY DIRECTED DIE CASTING SUITABLE FOR MAKING HERMETICALLY SEALED DISC DRIVES 审中-公开
标题翻译：适用于制造密封式切割机的热定型模具
公开(公告)号：WO2015061156A1
公开(公告)日：2015-04-30
申请号：PCT/US2014/061058
申请日：2014-10-17
申请人： T.H.T. PRESSES, INC.
发明人： THIEMAN, Michael , KAMM, Richard J.
IPC分类号： G11B33/14
CPC分类号： B22D17/12 , B22D17/20 , B22D17/2023 , B22D17/203 , B22D17/2076 , B22D17/22 , B22D17/2272 , B22D21/007 , G11B25/043 , G11B33/022
摘要： A hermetically sealed disc drive comprising at least one aluminum alloy housing component manufactured with a thermally directed die casting press subassembly is disclosed. In one embodiment, the thermally directed die casting press subassembly comprises a thermally directed funnel gate that is skewed to sample molten material from an off-center portion of the shot sleeve. Disc drive housing components can be manufactured by injecting an aluminum alloy slurry from the shot sleeve through the thermally directed funnel gate and the injection nozzle into the die cavity. The aluminum alloy slurry may be a thixotropic slurry comprising a uniform primary aluminum particle size in the range of approximately 50 to 80 microns. The primary aluminum particles of cast products produced according to the methodology of the present disclosure, with the aforementioned particle size distribution, are free of encapsulated eutectic at the micron scale.
摘要翻译：公开了一种气密密封的盘式驱动器，其包括用热定向压铸机组件制造的至少一个铝合金壳体部件。在一个实施例中，热定向压铸压力机子组件包括一个热导向的漏斗式浇口，其倾斜以从喷射套筒的偏心部分取样熔融材料。光盘驱动器壳体部件可以通过将来自喷射套筒的铝合金浆料通过热导向漏斗浇口和喷射喷嘴注入模腔来制造。铝合金浆料可以是包含大约50至80微米范围内的均匀原铝粒度的触变浆料。根据本公开的方法制备的具有上述粒度分布的铸造产品的初级铝颗粒在微米级没有包封的共晶。

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