JPH02298416A - Manufacture of hot seam welded steel pipe - Google Patents

Manufacture of hot seam welded steel pipe

Info

Publication number
JPH02298416A
JPH02298416A JP11582689A JP11582689A JPH02298416A JP H02298416 A JPH02298416 A JP H02298416A JP 11582689 A JP11582689 A JP 11582689A JP 11582689 A JP11582689 A JP 11582689A JP H02298416 A JPH02298416 A JP H02298416A
Authority
JP
Japan
Prior art keywords
steel pipe
bite
cutting
hourglass
roller
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
JP11582689A
Other languages
Japanese (ja)
Inventor
Ichiro Yasumura
Kuniharu Fujimoto
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 Corp
Original Assignee
Sumitomo Metal 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP11582689A priority Critical patent/JPH02298416A/en
Publication of JPH02298416A publication Critical patent/JPH02298416A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To stabilize a bead and to cut it accurately by adjusting a pair of hourglass rollers that is connected to a periphery of a steel pipe at a pressure roller position where the progress of a bead cutting bite in the inner face of the steel pipe is actuated, and at a cutting position, as well as single hourglass roller opposed to the bite.
CONSTITUTION: At a position of a bite pressure roller 3, a pair of hourglass rollers 4 are provided so as to prevent deformation of a steel pipe 1 by a roller caliper from the outside, and with pressure force of the pressure roller 3 being almost completely transmitted to a bite 2, the bite pressure force is adjusted through fine draft adjustment of the pressure roller 4. By taking advantage of hot deformability, to an outer face of a cutting position of the bite 2, an hourglass-shaped roll 5 whose curvature is 1.3-1.8 times as large as the size of the steel pipe 1 is connected by idle rotation, and by means of the pressure force, the steel pipe 1 is deformed to the inner face, for fine adjustment of the amount of cutting. Stabilized and accurate cutting is thus possible.
COPYRIGHT: (C)1990,JPO&Japio
JP11582689A 1989-05-09 1989-05-09 Manufacture of hot seam welded steel pipe Pending JPH02298416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11582689A JPH02298416A (en) 1989-05-09 1989-05-09 Manufacture of hot seam welded steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11582689A JPH02298416A (en) 1989-05-09 1989-05-09 Manufacture of hot seam welded steel pipe

Publications (1)

Publication Number Publication Date
JPH02298416A true JPH02298416A (en) 1990-12-10

Family

ID=14672074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11582689A Pending JPH02298416A (en) 1989-05-09 1989-05-09 Manufacture of hot seam welded steel pipe

Country Status (1)

Country Link
JP (1) JPH02298416A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7695224B2 (en) * 2008-01-31 2010-04-13 Lumco Manufacturing Company Deburring welded pipe
JP2010082623A (en) * 2008-09-29 2010-04-15 Sumitomo Metal Ind Ltd Method and apparatus for cutting inner surface bead of welded tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7695224B2 (en) * 2008-01-31 2010-04-13 Lumco Manufacturing Company Deburring welded pipe
JP2010082623A (en) * 2008-09-29 2010-04-15 Sumitomo Metal Ind Ltd Method and apparatus for cutting inner surface bead of welded tube

Similar Documents

Publication Publication Date Title
JPH01301094A (en) Method and apparatus for adjusting cutting knife clearance in sheet cutter
JPH02298416A (en) Manufacture of hot seam welded steel pipe
JPS5335868A (en) Manufacturing method for drum braking strut material
JPS61159217A (en) High speed wire drawing equipment of wire rod
JPS56151105A (en) Cross helical rolling mill for pipe and rolling method
JPH02207921A (en) Straightening method for tube by rotary straightner
JPH01202314A (en) Leveler
JPS5680311A (en) Controlling method for rolling mill
JPS63149025A (en) Deep drawing method and tool for deep drawing
JPH0252103A (en) Method and device for edging forming by edging press in rolling line
JPS5443157A (en) Hot rolling method for hot strip
JPS6068110A (en) Method for controlling dimension of hot extruded material
JPS53144450A (en) Method of and apparatus for controlling timing of rolling mill
JPS62228301A (en) Machining method for tube external surface and device therefor
JPS53106135A (en) Sealing method for head pipe roller
JPS5884604A (en) Production of band steel having uniform thickness and width
JPS53118260A (en) Plate-thickness controlling method for rolling mill
JPS53122990A (en) Device for deciding klop cutting point
JPH02151314A (en) Inlet guide device for hot rolling mill
JPS61126923A (en) Method and device for production of spiral steel pipe
JPS5693032A (en) Detection of developing crack depth in roll for transferring hot metal piece
JPS59107701A (en) Setting method of draft in dull rolling
JPS5666311A (en) Controlling method for rolling work
JPS53141158A (en) Roll pitch variable mechanism of roller straightening machine
JPH0225235A (en) Ring rolling method