JPS5561391A - Inside surface bead smoothing device of welding metal pipe - Google Patents

Inside surface bead smoothing device of welding metal pipe

Info

Publication number
JPS5561391A
JPS5561391A JP13323978A JP13323978A JPS5561391A JP S5561391 A JPS5561391 A JP S5561391A JP 13323978 A JP13323978 A JP 13323978A JP 13323978 A JP13323978 A JP 13323978A JP S5561391 A JPS5561391 A JP S5561391A
Authority
JP
Japan
Prior art keywords
pipe
inside surface
metal pipe
beads
forging
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.)
Pending
Application number
JP13323978A
Other languages
Japanese (ja)
Inventor
Susumu Sasaki
Toshiyuki Kato
Arihito Yamada
Toshiaki Tsujino
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.)
Nippon Steel Nisshin Co Ltd
Original Assignee
Nisshin Steel Co 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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP13323978A priority Critical patent/JPS5561391A/en
Publication of JPS5561391A publication Critical patent/JPS5561391A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To smooth the beads produced in the inside surface of pipes during pipe making process by reiteratively forming the pipe by the mandrel inserted into the pipe behind the weld zone of the pipe making line and the forging device provided on the outside of the pipe.
CONSTITUTION: A metal pipe 11, with its weld beads 16 being faced upward, is supported by a supporting roll 7 and moves. A mandrel 14 is so positioned in the pipe 11 right above the supporting roll 7 as not to move in the axial direction. According to the advancing of the pipe 11, the supporting roll 7 is revolved and reiterative forging action is given at high frequencies to the pipe 11 by a forging roll 6, whereby the pipe inside surface beads 16 are crushed and smoothed. The metal pipe of high quality is obtained by this mechanism.
COPYRIGHT: (C)1980,JPO&Japio
JP13323978A 1978-10-31 1978-10-31 Inside surface bead smoothing device of welding metal pipe Pending JPS5561391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13323978A JPS5561391A (en) 1978-10-31 1978-10-31 Inside surface bead smoothing device of welding metal pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13323978A JPS5561391A (en) 1978-10-31 1978-10-31 Inside surface bead smoothing device of welding metal pipe

Publications (1)

Publication Number Publication Date
JPS5561391A true JPS5561391A (en) 1980-05-09

Family

ID=15099953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13323978A Pending JPS5561391A (en) 1978-10-31 1978-10-31 Inside surface bead smoothing device of welding metal pipe

Country Status (1)

Country Link
JP (1) JPS5561391A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185453A (en) * 1981-05-12 1982-11-15 Fujitsu Ltd Recording device
JPS60102293A (en) * 1983-11-07 1985-06-06 Kawamura Denki Sangyo Kk Finishing method of welded joint in box making stage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185453A (en) * 1981-05-12 1982-11-15 Fujitsu Ltd Recording device
JPH0120744B2 (en) * 1981-05-12 1989-04-18 Fujitsu Ltd
JPS60102293A (en) * 1983-11-07 1985-06-06 Kawamura Denki Sangyo Kk Finishing method of welded joint in box making stage

Similar Documents

Publication Publication Date Title
JPS5510349A (en) Production of large-diameter square steel tube
US2575381A (en) Method of and apparatus for continuous welding of pipes and tubes
JPS5561391A (en) Inside surface bead smoothing device of welding metal pipe
GB2016338A (en) Process and apparatus for hot-rolling seamless tubes
JPS555165A (en) Production of seamed pipe
JPS5227170A (en) Method for nesting steel pipes
JPS56139245A (en) Production of rim
JPS5570413A (en) Manufacture of large diameter welded pipe
JPS5568121A (en) Manufacture of large size square steel pipe
JPS55141323A (en) Edge forming method in manufacturing electric resistance welded steel pipe
JPS569022A (en) Continuous production of welded pipe
JPS5530327A (en) Pipe making method
JPS56109111A (en) Remover for internal bead of welded pipe
JPS558350A (en) Method and apparatus for pre-cast forging of pipe material
JPS5741809A (en) Manufacture of upset pipe
JPS5527401A (en) Preventing method and apparatus for thickness deviation of forge welded pipe
JPS5711716A (en) Manufacture of lead-sheathed heat pipe
Makshantsev et al. Investigation of the Process of Rotary Friction Rolling With Expansion of the Wall of the Semiproduct on the Mandrel
JPS54128972A (en) Manufacture of support frame for cathode-ray tube
JPS55161535A (en) Forming method of lap joint and spinning device for executing this
JPS53147663A (en) Pipe support device for spiral pipe producing machine
JPS54130465A (en) Manufacture of expansion type exhaust pipe
JPS5445669A (en) Continuous production method of spiral pipes
JPS5561321A (en) Method and apparatus for preventing formation of bead in forge welded tube
JPS53119772A (en) Manufacture of force welded pipe