EN AC-48000铝合金活塞导柱的压铸工艺

余亮; 汪学阳; 张百在; 黄志垣; 李小林; 赵海东

doi:10.15980/j.tzzz.2014.01.014

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EN AC-48000铝合金活塞导柱的压铸工艺
Application of EN AC-48000 Aluminum Alloys in Die Casting Piston Guide-pillar
2014年34卷第1期页码：46-50
纸质出版日期： 2014 ，
DOI： 10.15980/j.tzzz.2014.01.014

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[1]余亮,汪学阳,张百在,黄志垣,李小林,赵海东.EN AC-48000铝合金活塞导柱的压铸工艺[J].特种铸造及有色合金,2014,34(01):46-50.

Yu Liang, Wang Xueyang, Zhang Baizai, et al. Application of EN AC-48000 Aluminum Alloys in Die Casting Piston Guide-pillar[J]. Special Casting & Nonferrous Alloys, 2014,34(1):46-50.
[1]余亮,汪学阳,张百在,黄志垣,李小林,赵海东.EN AC-48000铝合金活塞导柱的压铸工艺[J].特种铸造及有色合金,2014,34(01):46-50. DOI： 10.15980/j.tzzz.2014.01.014.

Yu Liang, Wang Xueyang, Zhang Baizai, et al. Application of EN AC-48000 Aluminum Alloys in Die Casting Piston Guide-pillar[J]. Special Casting & Nonferrous Alloys, 2014,34(1):46-50. DOI： 10.15980/j.tzzz.2014.01.014.

摘要

针对某汽车离合器活塞导柱零件压铸

分析了EN AC-48000铝合金的性能与特点

进行了工艺设计、数值模拟分析

完成了压铸试制

对铸件进行了品质、硬度、显微组织分析。结果表明

EN AC-48000铝合金可以应用于压铸零件成形。环形浇注系统更加适合圆形零件的压铸生产。采用慢压射速度为0.3m/s、快压射速度为3.6m/s、压射比压为80MPa等工艺参数

在不采用真空压铸的条件下生产的铸件

其外观以及内部品质均符合要求。

Abstract

Based on the properties and characteristics of the EN AC-48000aluminum alloys

the feasibility of the alloy for die casting piston guide-pillar in clutch for a car was analyzed.The process design and numerical simulation for the die castings were carried out.Meanwhile

the piston guide-pillar was trialproduced to analyze the quality

hardness and microstructure.The results show that the EN AC-48000 aluminum alloys can be used for die casting components.Ring-gating system is a satisfied choice for die casting cylinder component.With slow shot speed of 0.3m/s and fast shot speed of 3.6m/s as well as specific pressure of 80MPa

the quality and appearance of the piston guide-pillar meet requirement in the absence of vacuum die casting.