JPH0261335B2 - - Google Patents

Info

Publication number
JPH0261335B2
JPH0261335B2 JP56190883A JP19088381A JPH0261335B2 JP H0261335 B2 JPH0261335 B2 JP H0261335B2 JP 56190883 A JP56190883 A JP 56190883A JP 19088381 A JP19088381 A JP 19088381A JP H0261335 B2 JPH0261335 B2 JP H0261335B2
Authority
JP
Japan
Prior art keywords
pipe
bending
heating coil
temperature
heating
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.)
Expired - Lifetime
Application number
JP56190883A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5893516A (ja
Inventor
Hiroshi Asao
Kenichi Okada
Noboru Umehara
Hideo Yonemura
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 JP19088381A priority Critical patent/JPS5893516A/ja
Publication of JPS5893516A publication Critical patent/JPS5893516A/ja
Publication of JPH0261335B2 publication Critical patent/JPH0261335B2/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
    • 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
    • B21D7/025—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP19088381A 1981-11-30 1981-11-30 パイプの熱間曲げ加工法およびその装置 Granted JPS5893516A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19088381A JPS5893516A (ja) 1981-11-30 1981-11-30 パイプの熱間曲げ加工法およびその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19088381A JPS5893516A (ja) 1981-11-30 1981-11-30 パイプの熱間曲げ加工法およびその装置

Publications (2)

Publication Number Publication Date
JPS5893516A JPS5893516A (ja) 1983-06-03
JPH0261335B2 true JPH0261335B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-12-19

Family

ID=16265324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19088381A Granted JPS5893516A (ja) 1981-11-30 1981-11-30 パイプの熱間曲げ加工法およびその装置

Country Status (1)

Country Link
JP (1) JPS5893516A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000023A1 (en) * 1983-06-16 1985-01-03 Enaco (Australia) Pty. Ltd. Pipe deforming method and apparatus
JPS60180623A (ja) * 1984-02-29 1985-09-14 Hitachi Ltd 金属管の曲げ加工装置
JPS63171220A (ja) * 1987-01-08 1988-07-15 Nippon Steel Corp 鋼管の曲げ加工法
CA2786460C (en) * 2010-01-06 2016-08-09 Sumitomo Metal Industries, Ltd. Induction heating coil, and an apparatus and method for manufacturing a worked member

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53135870A (en) * 1977-04-30 1978-11-27 Daiichi Koshuha Kogyo Kk Thin wall preventive at metal pipe bending
JPS582727B2 (ja) * 1979-04-26 1983-01-18 第一高周波工業株式会社 金属管の曲げ加工法
JPS55158835A (en) * 1979-05-29 1980-12-10 Mitsubishi Heavy Ind Ltd Pipe bending method

Also Published As

Publication number Publication date
JPS5893516A (ja) 1983-06-03

Similar Documents

Publication Publication Date Title
US2461323A (en) Induction heater for use with pipe bending apparatus
US3902344A (en) Tube bending method
JPH0261335B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2001293521A (ja) 管の曲げ加工装置
JP2018514386A (ja) 厚い壁厚と大きい直径とを有する耐圧性の管を誘導曲げ変形させる方法
JP2524281B2 (ja) 小ｒ管曲げ加工法
JPH0235609B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3624017B2 (ja) 金属管の熱間曲げ加工方法
JP3214339B2 (ja) 金属管の曲げ加工方法
JP3105769B2 (ja) 高周波誘導式鋼板加熱装置とその制御方法
JPH0247289B2 (ja) Kinzokukannomagekakokennetsushorihohooyobisochi
JPH08294729A (ja) 高強度厚肉鋼管の曲げ加工方法
JP2000094043A (ja) 金属管曲げ加工装置
JPH03230818A (ja) 高周波ベンダー用加熱装置
JPS609543A (ja) 肉厚増加加工における冷却法
JPH03258417A (ja) 金属パイプの曲げ加工方法
JPH0141189Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS62259623A (ja) 熱間バルジ成形法
SU948489A1 (ru) Способ формообразовани фланцев на цилиндрических заготовках
JPH0253127B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6213218A (ja) 高周波加熱による管曲げ装置
JPH0517290B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH05228650A (ja) 電縫管の製造方法
SU1050136A1 (ru) Способ индукционного нагрева трубных заготовок
JPH046768B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)