Research on One-Shot Process of Hot Extrusion Forming Technology for Aluminum Alloy Drill Pipe

Jian She Mao; You Hong Sun; Bao Chang Liu

doi:10.4028/www.scientific.net/AMM.415.623

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 415Research on One-Shot Process of Hot Extrusion...

Research on One-Shot Process of Hot Extrusion Forming Technology for Aluminum Alloy Drill Pipe

Abstract:

Aluminum alloy drill pipe used in deep drilling has great potential and broad field of application. Unlike steel drill pipe production method, aluminum alloy drill pipe is manufactured using forward extrusion in the horizontal hydraulic extrusion press to extrud internal/external upset ends with variable cross-section, and form an assembly line to produce aluminum alloy drill pipe. In this experiment, using 55MN double-action extrusion press on 7075 aluminum alloy tubing to get variable cross-section on one-shot, the extruded pipe body are in good surface quality wihtout cracks, laying the foundation for the forming technology of variable cross-section of aluminum alloy drill pipe.

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Periodical:

Applied Mechanics and Materials (Volume 415)

Pages:

623-626

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.415.623

Citation:

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Online since:

September 2013

Authors:

Jian She Mao, You Hong Sun, Bao Chang Liu

Keywords:

Aluminum Alloy Drill Pipe, Extrusion Forming, One-Shot Process, Variable Cross-Section

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