EP3812056A4 - Medium/small-diameter thick-walled metal tube and preparation method therefor - Google Patents

Medium/small-diameter thick-walled metal tube and preparation method therefor Download PDF

Info

Publication number
EP3812056A4
EP3812056A4 EP19838335.8A EP19838335A EP3812056A4 EP 3812056 A4 EP3812056 A4 EP 3812056A4 EP 19838335 A EP19838335 A EP 19838335A EP 3812056 A4 EP3812056 A4 EP 3812056A4
Authority
EP
European Patent Office
Prior art keywords
preparation
medium
small
metal tube
method therefor
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
EP19838335.8A
Other languages
German (de)
French (fr)
Other versions
EP3812056A1 (en
Inventor
Qingle HAO
Jingtao HAN
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3812056A1 publication Critical patent/EP3812056A1/en
Publication of EP3812056A4 publication Critical patent/EP3812056A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F23/00—Feeding wire in wire-working machines or apparatus
    • B21F23/005—Feeding discrete lengths of wire or rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
    • B21B17/12—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills in a discontinuous process, e.g. plug-rolling mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
    • B21H1/20—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling rolled longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/22—Making articles shaped as bodies of revolution characterised by use of rolls having circumferentially varying profile ; Die-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/18—Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K29/00—Arrangements for heating or cooling during processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
EP19838335.8A 2018-07-17 2019-07-09 Medium/small-diameter thick-walled metal tube and preparation method therefor Pending EP3812056A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810783775.9A CN110722016A (en) 2018-07-17 2018-07-17 Medium-small caliber thick-wall metal pipe and preparation method thereof
PCT/CN2019/095282 WO2020015556A1 (en) 2018-07-17 2019-07-09 Medium/small-diameter thick-walled metal tube and preparation method therefor

Publications (2)

Publication Number Publication Date
EP3812056A1 EP3812056A1 (en) 2021-04-28
EP3812056A4 true EP3812056A4 (en) 2021-09-22

Family

ID=69163483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19838335.8A Pending EP3812056A4 (en) 2018-07-17 2019-07-09 Medium/small-diameter thick-walled metal tube and preparation method therefor

Country Status (4)

Country Link
EP (1) EP3812056A4 (en)
JP (1) JP7106004B2 (en)
CN (1) CN110722016A (en)
WO (1) WO2020015556A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114260327B (en) * 2021-12-20 2022-08-30 大连理工大学 Method for preparing axial variable cross-section pipe by radial continuous extrusion
CN114769352B (en) * 2022-03-21 2024-07-23 温州英特不锈钢有限公司 Stainless steel pipe forming method
CN114833296B (en) * 2022-05-25 2023-07-25 江苏明越精密高温合金有限公司 Blank making equipment for tube blank
CN115608900B (en) * 2022-12-16 2023-02-24 太原理工大学 Metal clad material wave-flat radial forging compound equipment and method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247863A (en) * 1939-05-27 1941-07-01 Smith Corp A O Pipe swaging machine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA403835A (en) * 1942-03-31 B. Tiedemann Julius Pipe swaging machine
HU155159A (en) * 1964-10-21
US3357223A (en) * 1965-05-28 1967-12-12 Kent Owens Machine Co Tube reducing machine
US3404449A (en) * 1965-07-19 1968-10-08 Sharon Tube Company Heavy walled pipe manufacture
US4157025A (en) * 1977-12-05 1979-06-05 Berezin Evgeny N Method and mill for rolling metal billets
JPH04319009A (en) * 1991-04-16 1992-11-10 Nippon Steel Corp Method for rolling steel tube by on-line measuring displacement of surface of rolling roll in high-speed hot rolling process for steel tube
CN101249603B (en) * 2008-04-09 2010-09-01 宝鸡市浩源特种材料有限公司 Roll forming integrated technique of high intensity high-hardness alloy and roll forming equipment
CN101633115A (en) * 2009-08-06 2010-01-27 刘怀文 Novel method for producing high-grade alloy steel seamless steel tube
CN104475479B (en) * 2014-09-25 2016-08-24 北京科技大学 A kind of technique utilizing swaging techniques to prepare small-diameter thick-walled metal tube
CN105710273B (en) * 2016-01-18 2017-11-03 上海理工大学 Car constant-speed universal drive shaft circle-feeding technological parameter of swaging determines method
CN208695986U (en) * 2018-07-17 2019-04-05 韩静涛 Small-bore thick-wall metal pipes in one kind
CN208495380U (en) * 2018-07-17 2019-02-15 韩静涛 A kind of compound forging rolling metal tube forming machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247863A (en) * 1939-05-27 1941-07-01 Smith Corp A O Pipe swaging machine

Also Published As

Publication number Publication date
WO2020015556A1 (en) 2020-01-23
CN110722016A (en) 2020-01-24
EP3812056A1 (en) 2021-04-28
JP2021530363A (en) 2021-11-11
JP7106004B2 (en) 2022-07-25

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