JP2006068749A5 - - Google Patents

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Publication number
JP2006068749A5
JP2006068749A5 JP2004251951A JP2004251951A JP2006068749A5 JP 2006068749 A5 JP2006068749 A5 JP 2006068749A5 JP 2004251951 A JP2004251951 A JP 2004251951A JP 2004251951 A JP2004251951 A JP 2004251951A JP 2006068749 A5 JP2006068749 A5 JP 2006068749A5
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JP
Japan
Prior art keywords
die
seamless metal
metal pipe
producing
mandrel
Prior art date
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Pending
Application number
JP2004251951A
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Japanese (ja)
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JP2006068749A (en
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Publication date
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Priority to JP2004251951A priority Critical patent/JP2006068749A/en
Priority claimed from JP2004251951A external-priority patent/JP2006068749A/en
Publication of JP2006068749A publication Critical patent/JP2006068749A/en
Publication of JP2006068749A5 publication Critical patent/JP2006068749A5/ja
Pending legal-status Critical Current

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Claims (8)

ダイスとマンドレルの隙間から加熱ビレットを押出して継目無金属管を得る製造方法において、
前記ダイスとして、ベアリング長さが６〜１１ｍｍの範囲に設定されたダイスを用いることを特徴とする継目無金属管の製造方法。 In the manufacturing method of obtaining a seamless metal tube by extruding a heated billet from the gap between a die and a mandrel,
A die having a bearing length set in the range of 6 to 11 mm is used as the die. ダイスとマンドレルの隙間から加熱ビレットを押出して継目無金属管を得る製造方法において、
前記ダイスとして、ベアリング長さが６．５〜８ｍｍの範囲に設定されたダイスを用いることを特徴とする継目無金属管の製造方法。 In the manufacturing method of obtaining a seamless metal tube by extruding a heated billet from the gap between a die and a mandrel,
A die having a bearing length set in the range of 6.5 to 8 mm is used as the die. マンドレルガイド及びノーズを用いない請求項１または２に記載の継目無金属管の製造方法。The method for producing a seamless metal pipe according to claim 1 or 2, wherein no mandrel guide and nose are used. 請求項１〜３のいずれか１項に記載の製造方法により製造された継目無金属管。The seamless metal pipe manufactured by the manufacturing method of any one of Claims 1-3. 前記金属管の押出先端縁から１ｍの位置の押出先端部における偏肉量が０．４３ｍｍ以下である請求項４に記載の継目無金属管。The seamless metal pipe according to claim 4, wherein a deviation thickness at an extrusion tip portion at a position 1 m from the extrusion tip edge of the metal tube is 0.43 mm or less. コンテナと、前記コンテナの押出前面側に配置された穴あきダイスと、先端部が前記ダイスの穴に挿入配置されたマンドレルとを備えた継目無金属管の製造装置において、In an apparatus for producing a seamless metal pipe comprising a container, a perforated die arranged on the extrusion front side of the container, and a mandrel whose tip is inserted and arranged in the hole of the die,
前記ダイスのベアリング長さが６〜１１ｍｍの範囲であることを特徴とする継目無金属管の製造装置。The apparatus for producing a seamless metal pipe, wherein the die has a bearing length in the range of 6 to 11 mm. コンテナと、前記コンテナの押出前面側に配置された穴あきダイスと、先端部が前記ダイスの穴に挿入配置されたマンドレルとを備えた継目無金属管の製造装置において、In an apparatus for producing a seamless metal pipe comprising a container, a perforated die arranged on the extrusion front side of the container, and a mandrel whose tip is inserted and arranged in the hole of the die,
前記ダイスのベアリング長さが６．５〜８ｍｍの範囲であることを特徴とする継目無金属管の製造装置。An apparatus for producing a seamless metal pipe, wherein a bearing length of the die is in a range of 6.5 to 8 mm. マンドレルガイド及びノーズを備えていないことを特徴とする請求項６または７に記載の継目無金属管の製造装置。The apparatus for producing a seamless metal pipe according to claim 6 or 7, wherein a mandrel guide and a nose are not provided.
JP2004251951A 2004-08-31 2004-08-31 Seamless metal tube, and method and device for manufacturing the same Pending JP2006068749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004251951A JP2006068749A (en) 2004-08-31 2004-08-31 Seamless metal tube, and method and device for manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004251951A JP2006068749A (en) 2004-08-31 2004-08-31 Seamless metal tube, and method and device for manufacturing the same

Publications (2)

Publication Number Publication Date
JP2006068749A JP2006068749A (en) 2006-03-16
JP2006068749A5 true JP2006068749A5 (en) 2007-09-06

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Family Applications (1)

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JP2004251951A Pending JP2006068749A (en) 2004-08-31 2004-08-31 Seamless metal tube, and method and device for manufacturing the same

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JP (1) JP2006068749A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112008003618B4 (en) 2008-01-14 2019-02-21 Korea Institute Of Industrial Technology Mold apparatus for thixoextrusion
KR100982534B1 (en) 2008-03-26 2010-09-16 한국생산기술연구원 Seamless thixoextrusion tube manufacturing method and device thereof
JP5363395B2 (en) * 2010-03-30 2013-12-11 株式会社神戸製鋼所 Extrusion method and extrusion die for aluminum bar
JP5635380B2 (en) * 2010-11-30 2014-12-03 三菱アルミニウム株式会社 Extrusion die apparatus and extrusion processing method
CN102909231A (en) * 2012-10-26 2013-02-06 昆山集智成模具有限公司 Seamless tubing extrusion device
CN104117546A (en) * 2013-04-28 2014-10-29 广东兴发铝业有限公司 Metal seamless tube production equipment and seamless tube production method
CN103464499A (en) * 2013-09-04 2013-12-25 辽源飞跃工模具有限公司 Seamless square tube extruding die

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62263822A (en) * 1986-05-12 1987-11-16 Nikkei Keizai Kk Extrusion forming method for hollow or semi-hollow stock and extrusion forming metal die for extrusion forming
JPS6471519A (en) * 1987-09-09 1989-03-16 Showa Aluminum Corp Die for manufacturing extrusion pipe for ironing
JPH079026A (en) * 1993-06-23 1995-01-13 Hitachi Cable Ltd Method for extruding pierced billet, using mandrel guide
JPH11239815A (en) * 1997-12-24 1999-09-07 Hitachi Cable Ltd Manufacture of metallic tube by extrusion
JP2000233271A (en) * 1999-02-12 2000-08-29 Honda Motor Co Ltd Manufacture of cylinder block
JP2004017129A (en) * 2002-06-19 2004-01-22 Aisin Keikinzoku Co Ltd Extruding die for hollow shape member

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