Transactions of Materials and Heat Treatment

Title：Continuous extrusion technology of multi void tubes in automobile air conditioner

Authors： LIU Yuan-wen CHEN Li SONG Bao-yun(School of Materials Science and Engineering Dalian Jiaotong University Dalian Liaoning 116028 China)

Unit：

KeyWords： continuous extrusion multi void tubes automobile air conditioner

ClassificationCode：TG371

year,vol(issue):pagenumber：2007,32(1):53-54

Abstract：

In order to resolve the problems of the die pin fracture and improve product seaming during the manufacture of aluminum alloy micro multi void tubes,on the LLJ300 continuous extrusion machine,the die with strengthen rib in flank of mandrels,preforming die and uniformity metal flowing hole are designed.At present,the technology has been used in producing micro multi void tubes.

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Reference：

[1]张振祥,梁伟.生产汽车空调器用多孔扁铝管常见质量缺陷分析[J].天津冶金,2000,(1):25 28.
[2]郑祥健.汽车换热器用铝合金口琴管挤压模具[J].轻合金加工技术,2004,(5):24 27.
[3]王丽巍,李启民,王丽.多孔薄壁扁管连续挤压模的研制[J].模具工业,2002,(6):44 47.
[4]王凤琴.Conform连续挤压D97多孔扁管开裂原因分析[J].轻合金加工技术,2000,(2):18 19.

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