Conventional Defects and Preventive Measures for Anti-gravity Casting of Magnesium Alloy Shell

Chi Xiumei; He Kai; Cui Enqiang; Zhang Na; Zhu Hui; Wang Lin

doi:10.15980/j.tzzz.2019.02.011

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Conventional Defects and Preventive Measures for Anti-gravity Casting of Magnesium Alloy Shell
Vol. 39, Issue 2, Pages: 156-158(2019)
Published： 2019 ，
DOI： 10.15980/j.tzzz.2019.02.011

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[1]迟秀梅,何凯,崔恩强,张娜,朱辉,王林.镁合金壳体低(差)压铸造常见缺陷及防止措施[J].特种铸造及有色合金,2019,39(02):156-158.

Chi Xiumei, He Kai, Cui Enqiang, et al. Conventional Defects and Preventive Measures for Anti-gravity Casting of Magnesium Alloy Shell. [J]. Special Casting & Nonferrous Alloys 39(2):156-158(2019)
[1]迟秀梅,何凯,崔恩强,张娜,朱辉,王林.镁合金壳体低(差)压铸造常见缺陷及防止措施[J].特种铸造及有色合金,2019,39(02):156-158. DOI： 10.15980/j.tzzz.2019.02.011.

Chi Xiumei, He Kai, Cui Enqiang, et al. Conventional Defects and Preventive Measures for Anti-gravity Casting of Magnesium Alloy Shell. [J]. Special Casting & Nonferrous Alloys 39(2):156-158(2019) DOI： 10.15980/j.tzzz.2019.02.011.

摘要

分析了镁合金壳体低（差）压铸造中缩松、偏析、裂纹、熔剂夹杂和气孔等铸造缺陷的形成原因

并提出了相应的解决措施。通过对浇注工艺、造型工艺及熔炼工艺等的严格控制

制定出合理的工艺方案

减少了铸件缺陷

达到I类铸件要求。

Abstract

The casting defects such as looseness

segregation

crack

flux inclusion and porosity in anti-gravity pressure casting magnesium alloy shells were analyzed.The corresponding countermeasures were put forward.Through strictly controlling casting process

molding quality and metal liquid quality

a reasonable process plan was designed to reduce casting defects

meeting Class I casting requirements.