Defects Analysis and Process Improvement of Aluminium Alloy Die Casting for Auto Transmission Cover-side

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Defects Analysis and Process Improvement of Aluminium Alloy Die Casting for Auto Transmission Cover-side
Vol. 33, Issue 11, Pages: 1027-1029(2013)
Published： 2013 ，
DOI： 10.15980/j.tzzz.2013.11.027

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[1]周海军,曾恺,江永河,常移迁.汽车变速箱铝合金侧盖压铸缺陷分析与工艺改进[J].特种铸造及有色合金,2013,33(11):1027-1029.

Defects Analysis and Process Improvement of Aluminium Alloy Die Casting for Auto Transmission Cover-side. [J]. Special Casting & Nonferrous Alloys 33(11):1027-1029(2013)
[1]周海军,曾恺,江永河,常移迁.汽车变速箱铝合金侧盖压铸缺陷分析与工艺改进[J].特种铸造及有色合金,2013,33(11):1027-1029. DOI： 10.15980/j.tzzz.2013.11.027.

Defects Analysis and Process Improvement of Aluminium Alloy Die Casting for Auto Transmission Cover-side. [J]. Special Casting & Nonferrous Alloys 33(11):1027-1029(2013) DOI： 10.15980/j.tzzz.2013.11.027.

针对复杂产品汽车变速箱侧盖

利用模流分析技术优化浇注系统设计

通过采用模具表面抛丸处理、增加Cu含量、改进型芯针设计和冷却系统设计、应用模具倒扣工艺

提高了模具表面强度和产品硬度

解决了铝合金产品弯曲、缩孔及变形等问题

使产品的压铸合格率由70%提升到95%以上。

Aimed at the complex side cover of gear-box

the gating system design was optimized by model flow analyzing software.Through shot blasting

increasing the Cu content in the alloy

modifying corepin design and cooling system as well as back-off method

surface strength and hardness of the mould are improved

and bending deformation and shrinkage porosity are avoided

increasing qualified rate of the product from 70%to more than 95%.

模流分析Cu含量型芯针

Model Flow AnalyzingCu ContentCore Pin

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