汽车驱动桥RDU差速器铝合金壳体的生产技术

苏建强; 陈超荣; 刘春生; 李四娣

doi:10.15980/j.tzzz.2012.07.031

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汽车驱动桥RDU差速器铝合金壳体的生产技术
Development of Technological Process of Manufacturing Aluminum Alloy Driven Bridge RDU Differential Housing
2012年32卷第7期页码：630-633
纸质出版日期： 2012 ，
DOI： 10.15980/j.tzzz.2012.07.031

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[1]苏建强,陈超荣,刘春生,李四娣.汽车驱动桥RDU差速器铝合金壳体的生产技术[J].特种铸造及有色合金,2012,32(07):630-633.

Su Jianqiang, Chen Chaorong, Liu Chunsheng, et al. Development of Technological Process of Manufacturing Aluminum Alloy Driven Bridge RDU Differential Housing[J]. Special Casting & Nonferrous Alloys, 2012,32(7):630-633.
[1]苏建强,陈超荣,刘春生,李四娣.汽车驱动桥RDU差速器铝合金壳体的生产技术[J].特种铸造及有色合金,2012,32(07):630-633. DOI： 10.15980/j.tzzz.2012.07.031.

Su Jianqiang, Chen Chaorong, Liu Chunsheng, et al. Development of Technological Process of Manufacturing Aluminum Alloy Driven Bridge RDU Differential Housing[J]. Special Casting & Nonferrous Alloys, 2012,32(7):630-633. DOI： 10.15980/j.tzzz.2012.07.031.

摘要

铝合金RDU差速器壳体是汽车传动系统的关键部件之一

结构形状复杂

内部组织要求高

成形难度大。为此开发了铝合金RDU差速器壳体的低成本、高效率压铸生产技术

主要包括数值模拟技术的应用

先进的真空压铸技术并辅以局部加压技术的实施

脱模剂自动配比压送技术的开发

充分改善了壳体内部组织

提高了产品品质及稳定性。机加工工序采用自动先进的360℃全方位高精度旋转夹具

减少了夹具多次装夹带来的误差。产品合格率达95%。

Abstract

Aluminum alloy RDU differential housing as a key parts in transmission system of the car exhibits the features of complex structure and high internal microstructure requirement as well as large forming difficulties.Die casting technology with low cost and high efficiency for the aluminum alloy RDU differential housing was developed

such as application of numerical simulation

advanced vacuum die casting associated with local pressurization and automation-proportion transmission of agent release.Through applying these technologies

microstructure

quality and stability of the housing are improved.360°full-direction high precision rotating fixture was adopted to decrease the error from multi-times fixing process

and qualified rate reaches 95%.