JPS59185525A - 型材の極小曲げ方法 - Google Patents

型材の極小曲げ方法

Info

Publication number
JPS59185525A
JPS59185525A JP5924983A JP5924983A JPS59185525A JP S59185525 A JPS59185525 A JP S59185525A JP 5924983 A JP5924983 A JP 5924983A JP 5924983 A JP5924983 A JP 5924983A JP S59185525 A JPS59185525 A JP S59185525A
Authority
JP
Japan
Prior art keywords
bending
die
shape material
mold
pressure
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP5924983A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0417732B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Mikio Kaku
賀来　幹夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5924983A priority Critical patent/JPS59185525A/ja
Publication of JPS59185525A publication Critical patent/JPS59185525A/ja
Publication of JPH0417732B2 publication Critical patent/JPH0417732B2/ja
Granted legal-status Critical Current

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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • B21D35/006—Blanks having varying thickness, e.g. tailored blanks
    • 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
    • B21D7/04—Bending rods, profiles, or tubes over a movably-arranged forming menber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP5924983A 1983-04-06 1983-04-06 型材の極小曲げ方法 Granted JPS59185525A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5924983A JPS59185525A (ja) 1983-04-06 1983-04-06 型材の極小曲げ方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5924983A JPS59185525A (ja) 1983-04-06 1983-04-06 型材の極小曲げ方法

Publications (2)

Publication Number Publication Date
JPS59185525A true JPS59185525A (ja) 1984-10-22
JPH0417732B2 JPH0417732B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-03-26

Family

ID=13107916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5924983A Granted JPS59185525A (ja) 1983-04-06 1983-04-06 型材の極小曲げ方法

Country Status (1)

Country Link
JP (1) JPS59185525A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916929A (en) * 1987-02-17 1990-04-17 Otto Bihler Method and apparatus for the production of part-circular arc elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916929A (en) * 1987-02-17 1990-04-17 Otto Bihler Method and apparatus for the production of part-circular arc elements

Also Published As

Publication number Publication date
JPH0417732B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-03-26

Similar Documents

Publication Publication Date Title
JP3597441B2 (ja) 積層材の曲げ加工方法
KR950031300A (ko) 회전단조장치
JPS59185525A (ja) 型材の極小曲げ方法
US2799317A (en) Resilient wheel apparatus and method for forming strip material
JPH0417731B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3401452B2 (ja) 保持器を仕上げるための方法及び装置
JP3636507B2 (ja) 易開封性袋製造用の刃傷付与装置および易開封性袋の製造法
ATE133889T1 (de) Verfahren zum herstellen von oberflächen fertigbearbeitungsrollen sowie auf diese weise herrgestellte rolle
JPH0485248A (ja) ウエブの巻取装置
JPS6151078B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US3490265A (en) Drawing of hollowware from sheet metal
JP2852601B2 (ja) リム付きディスクの製造方法
JPS5966926A (ja) ロ−タリ−式角パイプペンダの曲げ型
JPH07110381B2 (ja) 直状傾斜壁形材のア−ル曲げ方法とその装置
JPS6032899Y2 (ja) 曲管成形装置
JPS643543Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5910432A (ja) 多重ｖ溝付プ−リの製造方法
JP2001062517A (ja) リブ付き板材の成形加工方法及び加工装置
JP3863633B2 (ja) 薄肉円板状素材の外周増肉方法
JPH0140689B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2711524B2 (ja) リム付きディスクの製造方法
JPH0466462A (ja) フィルム等のしわ取りロール
JPS61209725A (ja) ビ−デイング加工装置
RU2010644C1 (ru) Устройство для отбортовки и зиговки полых изделий
JPH01215411A (ja) 直状型材のアール曲げ方法とそれに用いられる加工ロールおよび装置