JP2005007479A5 - - Google Patents

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JP2005007479A5
JP2005007479A5 JP2004152181A JP2004152181A JP2005007479A5 JP 2005007479 A5 JP2005007479 A5 JP 2005007479A5 JP 2004152181 A JP2004152181 A JP 2004152181A JP 2004152181 A JP2004152181 A JP 2004152181A JP 2005007479 A5 JP2005007479 A5 JP 2005007479A5
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light metal
hollow
metal material
extrusion
extruding
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JP2004152181A
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JP2005007479A (en
JP4092306B2 (en
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Publication of JP2005007479A5 publication Critical patent/JP2005007479A5/ja
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軽金属素材を中空押出しダイスを用いて押出し加工する方法であって、前記軽金属素材を一旦分流させた後に合流させて相互に溶着する工程と、その合流後の軽金属素材を前記中空押出しダイスのダイス穴を通して所望の断面形状に押出し加工する工程とを含み、この押出し加工する工程では、前記押出しダイスの溶着室入口断面から出口部製品断面に至るまでの軽金属素材に付与される相当歪分布量の平均値を1.8以上に維持するようにして当該押出し加工を行うことを特徴とする中空軽金属部材の押出し加工方法。 A method of extruding a light metal material using a hollow extrusion die, wherein the light metal material is once shunted and then merged and welded together, and the light metal material after the merged die hole of the hollow extrusion die And extruding into a desired cross-sectional shape through, in this extruding step, the average of the equivalent strain distribution amount applied to the light metal material from the welding chamber inlet cross section to the outlet product cross section of the extrusion die A method for extruding a hollow light metal member, wherein the extruding is performed while maintaining the value at 1.8 or more. 前記請求項1記載の中空軽金属部材の押出し加工方法において、前記前記中空軽金属部材を構成する金属がアルミニウム合金であることを特徴とする中空軽金属部材の押出し加工方法。   2. The method for extruding a hollow light metal member according to claim 1, wherein the metal constituting the hollow light metal member is an aluminum alloy. 中空押出しダイスを用い、軽金属素材を分流及び合流・溶着させた後に所望の断面形状に押出し加工する中空軽金属部材の押出し加工方法であって、前記押出しダイスの溶着室入口断面から出口部製品断面に至るまでの軽金属素材に付与される相当歪分布量の平均値と押出し加工後の製品における溶着部の溶着強度との相関関係を求め、この相関関係に基づいて前記溶着強度の目標値に対応する前記相当歪分布量の平均値を目標歪み量として設定し、前記相当歪分布量の平均値を前記目標歪み量以上に維持するようにして当該軽金属素材の押出し加工を行うことを特徴とする中空軽金属部材の押出し加工方法。 A hollow light metal member extrusion method that uses a hollow extrusion die to extrude a light metal material into a desired cross-sectional shape after splitting, joining and welding the light metal material, from the welding chamber inlet cross-section to the outlet product cross-section The correlation between the average value of the equivalent strain distribution applied to the light metal material and the weld strength of the welded part in the extruded product is obtained, and the target value of the weld strength is determined based on this correlation. hollow wherein setting the average value of equivalent strain distribution amount as the target distortion amount, characterized in that the average value of the equivalent strain distribution amount perform extrusion of the light metal material so as to maintain the above said target distortion amount Extrusion method for light metal parts. 前記請求項1〜3記載の押し出加工に用いる中空押出しダイスがブリッジダイス、ポートホールダイス、またはスパイダーダイスであることを特徴とする中空軽金属部材の押出し加工方法。 The hollow light metal member extrusion method according to claim 1, wherein the hollow extrusion die used for extrusion processing is a bridge die, a porthole die, or a spider die. 軽金属素材を分流及び合流・溶着を行った後に所望の断面形状に押出し加工することによって得られる中空軽金属部材であって、前記押出しダイスの溶着室入口断面から出口部製品断面に至るまでの軽金属素材に付与される相当歪分布量の平均値を1.8以上に維持して押出しを行うことによって得られたものであり、その溶着部の強度がベア部の強度の90%以上であることを特徴とする中空軽金属押出し部材。 A hollow light metal member obtained by extruding a light metal material into a desired cross-sectional shape after splitting, merging and welding the light metal material, from the welding chamber inlet cross section to the outlet product cross section of the extrusion die Is obtained by performing extrusion while maintaining the average value of the equivalent strain distribution amount to be 1.8 or more, and the strength of the welded portion is 90% or more of the strength of the bare portion. A hollow light metal extruded member.
JP2004152181A 2003-05-23 2004-05-21 Hollow light metal member extrusion method, hollow extrusion die, and hollow light metal extrusion member Expired - Lifetime JP4092306B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004152181A JP4092306B2 (en) 2003-05-23 2004-05-21 Hollow light metal member extrusion method, hollow extrusion die, and hollow light metal extrusion member

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003146839 2003-05-23
JP2004152181A JP4092306B2 (en) 2003-05-23 2004-05-21 Hollow light metal member extrusion method, hollow extrusion die, and hollow light metal extrusion member

Publications (3)

Publication Number Publication Date
JP2005007479A JP2005007479A (en) 2005-01-13
JP2005007479A5 true JP2005007479A5 (en) 2007-09-13
JP4092306B2 JP4092306B2 (en) 2008-05-28

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JP2004152181A Expired - Lifetime JP4092306B2 (en) 2003-05-23 2004-05-21 Hollow light metal member extrusion method, hollow extrusion die, and hollow light metal extrusion member

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5010117B2 (en) 2005-07-20 2012-08-29 株式会社神戸製鋼所 Aluminum extruded hollow panel for automobile and manufacturing method thereof
JP4531671B2 (en) 2005-10-12 2010-08-25 株式会社神戸製鋼所 Hollow panel and manufacturing method thereof
JP5010196B2 (en) * 2006-07-18 2012-08-29 株式会社神戸製鋼所 Heat-resistant aluminum alloy shape manufacturing method, heat-resistant aluminum alloy shape material and heat-resistant aluminum alloy shape forming apparatus
JP5872312B2 (en) * 2012-02-10 2016-03-01 日本軽金属株式会社 Extrusion die for forming hollow profile and method for forming extrusion die for forming hollow profile
CN105537309B (en) * 2016-02-04 2017-09-01 山东大学 A kind of inserted butterfly mould of modular replaceable bridge cored structure

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