Aluminum Alloy Motor Enclosure in Low Pressure Casting

Li Yandong; Wang Yanping; Zhu Weiguang; Zhao Lijun; Sun Shuxia

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Aluminum Alloy Motor Enclosure in Low Pressure Casting
Issue 7, Pages: 529-530(2007)
Published： 2007 ，
DOI：

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[1]李延东,王艳平,朱伟光,赵立君,孙淑霞.电动机机座低压铸造工艺[J].特种铸造及有色合金,2007(07):529-530+489.

Li Yandong, Wang Yanping, Zhu Weiguang, et al. Aluminum Alloy Motor Enclosure in Low Pressure Casting. [J]. Special Casting & Nonferrous Alloys (7):529-530(2007)
[1]李延东,王艳平,朱伟光,赵立君,孙淑霞.电动机机座低压铸造工艺[J].特种铸造及有色合金,2007(07):529-530+489. DOI：

Li Yandong, Wang Yanping, Zhu Weiguang, et al. Aluminum Alloy Motor Enclosure in Low Pressure Casting. [J]. Special Casting & Nonferrous Alloys (7):529-530(2007) DOI：

摘要

低压铸造超高转差率电动机铝合金机座

模具采用水平4开模

中央主芯垂直向上开模结构;采用开放式浇注系统

内浇道均设在与侧模分型面成45°的位置;铝液的浇注温度设定为680～720℃

预热温度下模为300～350℃

侧模为250～300℃;液面加压装置采用定压力自动控制系统;热处理采用铸态淬火加完全人工时效工艺

从铸件本体大量取样（散热片、筒体、地脚处等）测试

其力学性能均优于国家标准。

Abstract

Aluminum alloy motor enclosure with super-high rotating differential rate has been produced by low pressure casting.Horizontal four opening mould structure and main core vertical upper-opening mould structure were adopted in the mould.In addition

an opening gating system was designed

in which the ingate was set at the position of 45°with side-prating surface.The liquid aluminum alloy was poured at 680～720 ℃ and the lower-mould and side-mould were preheated at 300～350 ℃ and 250～300 ℃

respectively.Constant-pressure automatic control system was employed for liquid surface pressure-applying device

meanwhile

quenching and artificial aging were used.The mechanical properties of the enclosure are obviously superior to those required in the nation standard through above mentioned ways.