Overlaying welding technology and performance of axle tube remanufacturing

doi:10.1007/s40436-013-0023-4

Advances in Manufacturing

Overlaying welding technology and performance of axle tube remanufacturing

Shou-Xu Song • Yun-Dong Liu • Qing-Di Ke •Ye-Chao Shen

School of Mechanical and Auto Engineering, Hefei University of Technology, Hefei 230009, People’s Republic of China

收稿日期:2013-04-03 修回日期:2013-04-27 出版日期:2013-06-25 发布日期:2013-04-28
通讯作者: e-mail: liuyundongok@126.com
基金资助:
The National Basic Research Program of China (Grant No. 2011CB013406),

Overlaying welding technology and performance of axle tube remanufacturing

Shou-Xu Song • Yun-Dong Liu • Qing-Di Ke •Ye-Chao Shen

School of Mechanical and Auto Engineering, Hefei University of Technology, Hefei 230009, People’s Republic of China

Received:2013-04-03 Revised:2013-04-27 Online:2013-06-25 Published:2013-04-28
Contact: e-mail: liuyundongok@126.com
Supported by:
The National Basic Research Program of China (Grant No. 2011CB013406),

摘要/Abstract

摘要： Screw failure is one of the main scrap forms for rear axle tube, and thread turning after surfacing is a common means of remanufacturing. This paper takes rear axle tube as the main research topic, which is made of 40Mn and provided by an axle company. Manual electric arc welding, CO2 shielded arc welding and argon shielded arc welding are carried to overlay the damaged thread. The deposited metal consists of two welding material lays.Welding process and overlay properties are characterized by the test and analysis of microstructure, residual stress and hardness of surfacing layers. The results show that
argon shielded arc welding is an effective method to repair the failure thread; its microstructure of fusion area is meticulous and uniform; its residual compressive stress (absolute value) of welding surface is the biggest among the three welding methods; its hardness curve is relatively flat and appropriate for turning.

关键词: Surfacing , Remanufacturing , Metallographic structure , Residual stress , Hardness

Abstract: Screw failure is one of the main scrap forms for rear axle tube, and thread turning after surfacing is a common means of remanufacturing. This paper takes rear axle tube as the main research topic, which is made of 40Mn and provided by an axle company. Manual electric arc welding, CO2 shielded arc welding and argon shielded arc welding are carried to overlay the damaged thread. The deposited metal consists of two welding material lays.Welding process and overlay properties are characterized by the test and analysis of microstructure, residual stress and hardness of surfacing layers. The results show that
argon shielded arc welding is an effective method to repair the failure thread; its microstructure of fusion area is meticulous and uniform; its residual compressive stress (absolute value) of welding surface is the biggest among the three welding methods; its hardness curve is relatively flat and appropriate for turning.

Key words: Surfacing , Remanufacturing , Metallographic structure , Residual stress , Hardness

Shou-Xu Song, Yun-Dong Liu,Qing-Di Ke,Ye-Chao Shen. Overlaying welding technology and performance of axle tube remanufacturing[J]. Advances in Manufacturing, doi: 10.1007/s40436-013-0023-4.

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Overlaying welding technology and performance of axle tube remanufacturing

Overlaying welding technology and performance of axle tube remanufacturing

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