WO2008096449A1 - 曲げ加工方法および曲げ加工装置 - Google Patents

曲げ加工方法および曲げ加工装置 Download PDF

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Publication number
WO2008096449A1
WO2008096449A1 PCT/JP2007/052402 JP2007052402W WO2008096449A1 WO 2008096449 A1 WO2008096449 A1 WO 2008096449A1 JP 2007052402 W JP2007052402 W JP 2007052402W WO 2008096449 A1 WO2008096449 A1 WO 2008096449A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
bending
bending processing
die
working
Prior art date
Application number
PCT/JP2007/052402
Other languages
English (en)
French (fr)
Inventor
Masahiro Tsutsui
Original Assignee
Daikin Industries, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Priority to PCT/JP2007/052402 priority Critical patent/WO2008096449A1/ja
Publication of WO2008096449A1 publication Critical patent/WO2008096449A1/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/05—Bending tubes using mandrels or the like co-operating with forming members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

　　マンドレル（19）が挿入されたパイプ（P）を曲げ型（17）と押さえ型（18）とで挟持し、パイプ（P）の曲げ加工を行う。パイプ（P）の外周面には、曲げ動作時に、パイプ（P）が曲げ型（17）および押さえ型（18）に対して摺動するように潤滑油が塗布される。よって、曲げ動作に伴い、曲げ部外側の管壁が引っ張り力の作用方向に追従し、曲げ部内側の管壁が圧縮力の作用方向に追従する。これにより、引っ張り力等が緩和され、肉厚減少等が抑制される。
PCT/JP2007/052402 2007-02-09 2007-02-09 曲げ加工方法および曲げ加工装置 WO2008096449A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/052402 WO2008096449A1 (ja) 2007-02-09 2007-02-09 曲げ加工方法および曲げ加工装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/052402 WO2008096449A1 (ja) 2007-02-09 2007-02-09 曲げ加工方法および曲げ加工装置

Publications (1)

Publication Number Publication Date
WO2008096449A1 true WO2008096449A1 (ja) 2008-08-14

Family

ID=39681368

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/052402 WO2008096449A1 (ja) 2007-02-09 2007-02-09 曲げ加工方法および曲げ加工装置

Country Status (1)

Country Link
WO (1) WO2008096449A1 (ja)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6114022A (ja) * 1984-06-29 1986-01-22 Matsushita Refrig Co パイプ曲げ加工方法
JPS62275526A (ja) * 1986-05-02 1987-11-30 カ−ベル−ウント・メタルウエルケ・グ−テホフヌングスヒユツテ・アクチエンゲゼルシヤフト 連続鋳造機械のための金型の製造方法及びその装置
JPH0215291B2 (ja) * 1985-03-29 1990-04-11 Hitachi Ltd
JPH04294945A (ja) * 1991-03-20 1992-10-19 Osugaa Mach:Kk パイプ曲げ加工方法、パイプベンダー及びそのシステム
JPH05104155A (ja) * 1991-10-08 1993-04-27 Showa Alum Corp 押出材の曲げ加工品の製造方法
JPH0733416U (ja) * 1993-11-25 1995-06-20 日本軽金属株式会社 中空形材の曲げ装置
JP2001334312A (ja) * 2000-05-24 2001-12-04 Oka Kogyo Kk パイプベンダー

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6114022A (ja) * 1984-06-29 1986-01-22 Matsushita Refrig Co パイプ曲げ加工方法
JPH0215291B2 (ja) * 1985-03-29 1990-04-11 Hitachi Ltd
JPS62275526A (ja) * 1986-05-02 1987-11-30 カ−ベル−ウント・メタルウエルケ・グ−テホフヌングスヒユツテ・アクチエンゲゼルシヤフト 連続鋳造機械のための金型の製造方法及びその装置
JPH04294945A (ja) * 1991-03-20 1992-10-19 Osugaa Mach:Kk パイプ曲げ加工方法、パイプベンダー及びそのシステム
JPH05104155A (ja) * 1991-10-08 1993-04-27 Showa Alum Corp 押出材の曲げ加工品の製造方法
JPH0733416U (ja) * 1993-11-25 1995-06-20 日本軽金属株式会社 中空形材の曲げ装置
JP2001334312A (ja) * 2000-05-24 2001-12-04 Oka Kogyo Kk パイプベンダー

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