EP3019287B1 - Verfahren zur herstellung von ringförmigen teilen und eine anwendung des verfahrens - Google Patents

Verfahren zur herstellung von ringförmigen teilen und eine anwendung des verfahrens Download PDF

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Publication number
EP3019287B1
EP3019287B1 EP13737525.9A EP13737525A EP3019287B1 EP 3019287 B1 EP3019287 B1 EP 3019287B1 EP 13737525 A EP13737525 A EP 13737525A EP 3019287 B1 EP3019287 B1 EP 3019287B1
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EP
European Patent Office
Prior art keywords
welding
cutting
machine
spool
head
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.)
Active
Application number
EP13737525.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3019287A1 (de
Inventor
Daniel STÄUBLI
Jean-Frédéric Clerc
Thomas Fritschi
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.)
Andritz Soutec AG
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Andritz Soutec AG
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Publication date
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Publication of EP3019287A1 publication Critical patent/EP3019287A1/de
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • 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
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0085—Joining ends of material to continuous strip, bar or sheet
    • 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
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B21C47/247—Joining wire or band ends
    • 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
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like

Definitions

  • the present invention relates to a method for producing annular or tubular parts according to the preamble of claim 1, in particular a method for cutting, rounding and welding of thin steel strip from a coil and an application of the method.
  • the invention presented here describes a method which makes it possible, in a continuous processing process, to cut thin-walled, sheet-like starting material to the desired dimensions by means of the same equipment - a combination machine - in a first subprocess, then round it in a second subprocess and finally in a third subprocess to be provided with a welded longitudinal seam.
  • This results in lower investment costs for machines and there are also lower variable costs in the operation of such an inventive plant, as in production with changing production lots no Tools need to be changed.
  • this innovative process results in a favorable cost - benefit ratio for such end products which do not demand very high requirements from the tolerances, for example for drums of washing machines or dishwashers.
  • Fig. 1 shows a schematic representation of the production of annular parts according to the prior art.
  • Thin plate is supplied from a decoiler 1 in the form of a coil 7 of the cutting machine 2, where the sheet 10 is cut to the required initial dimension.
  • the metal sheet 10 is subjected to a mechanical and / or thermal rounding process in one or more steps in a rounding machine 3, so that an annular open workpiece 34 with two longitudinal edges 29a, 29b is produced which is then welded together in a welding machine 4 by means of a weld seam 36 are formed, whereby an annular part 35 is formed, which is optionally further processed in an additional processing step by means of an expansion machine 5.
  • Fig. 2 shows, again in a schematic representation, the inventive production of annular parts.
  • thin sheet metal having a thickness in the range of 0.4 mm to 1 mm from a decoiler 1 in the form of a coil 7 is continuously supplied to the combination machine 9, wherein the workpiece is fed into one and the same combination machine 9 via a roller mechanism, clamped, conveyed on the required initial dimension is cut, formed on a rotary rounding machine into an annular or cylindrical part, welded and thus provided with a longitudinal seam 36.
  • annular member 35 is automatically or manually removed from the combination machine 9 via a mechanism.
  • an additional processing in an expansion machine 5 can take place in an additional work step.
  • FIG. 3 shows a cross section of the combination machine according to the invention 9 for producing annular parts 35, wherein the workpiece 16 automatically fed in the conveying direction F of the combination machine 9 and on the guide rollers 19a and the roller guides 18a, 18b and the feed rollers 19b between the clamping device 22 through to the Feed roller 15 is also promoted.
  • the coil start piece 27 usually has an unsuitable for optimal welding, non-straight edge 30 and is therefore fixed by means of the clamping device 22 and cut by means of integrated in the carrier 17 cutting head 24 and deposited in a garbage 11a, 11b, or promoted via flap 20 from the machine, wherein by cutting on the first good piece 31, a straight welding edge 29a is formed.
  • the workpiece 16 after opening the clamping device 22 further promoted to the rotary tool 21 to the holding device 14 at the end of the rotatable magnetic beam 13, wherein the front end of the workpiece 16 by pneumatic and / or magnetic Force action is held by means of the holding device 14 and is further promoted by means of rotating in the direction of rotation R round tool 21.
  • Fig. 4 shows in a further cross-section of a combination machine according to the invention 9, wherein the workpiece 16 in comparison with the in Fig. 3 shown position by a half turn in the direction of rotation R has been further promoted and has an approximately semicircular cross-section.
  • a further half turn in the direction of rotation R so that the workpiece 16 has the desired extent and can now be fixed by exerting a force by means of the clamping device 22 so that by means of cutting head 24, the rounded, slightly elliptical Workpiece 34 can be separated from the coil 7 to form two straight welding edges 29a, 29b and forming a gap B.
  • the gap B between the two welding edges 29a, 29b is closed to a small residual gap wherein the workpiece 34 is deformed with a slightly elliptical cross-section to an annular workpiece 35 with a circular cross-section and then fixed by means of the clamping device 22, after which the force on the holding device 14 can be reduced or repealed.
  • the two straight welding edges 29a, 29b are firmly joined together by means of longitudinal seam welding, and the annular workpiece 35 can are then removed by a not-shown removal mechanism from the combination machine 9.
  • Fig. 5 shows the carrier 17 of the combination machine according to the invention with an integrated cutting and welding device in longitudinal section, wherein the source 23, preferably a laser source is designed switchable so that they either with the displaceable in the transverse direction Q cutting head 24 or with the also displaceable in the transverse direction Q welding head 25 is mechanically and electrically connected, and is also configured with a feeder 26 for additional material with the purpose to fill the gap resulting from the joining of two edges when welding with additional material as needed and thus close the residual gap, whereby an optimal weld can be made can.
  • the source 23 preferably a laser source is designed switchable so that they either with the displaceable in the transverse direction Q cutting head 24 or with the also displaceable in the transverse direction Q welding head 25 is mechanically and electrically connected, and is also configured with a feeder 26 for additional material with the purpose to fill the gap resulting from the joining of two edges when welding with additional material as needed and thus close the residual gap, whereby an optimal weld can be made can.
  • the workpiece 16 is guided between the upper and the lower part of the clamping device 22, wherein the mismatch rollers 12 serve to compensate for any arising mismatch of the two Greekzuschweissenden edges of the workpiece 16 and thus to allow an additional increase in the quality of welding.
  • Fig. 6 3 shows a schematic representation of a coil 7 from which, in a first processing step, the coil starting piece 27, which has a non-straight edge 30, was cut off and from which, in a second processing step, a first good piece 31 with the straight welding edges 29a, 29b was cut off. Furthermore, the coil end piece 28 is with the non-straight Edge 30, the last good piece 32 of the coil 7 and the penultimate good piece 33 shown, each with the two straight welding edges 29a, 29b.
  • Fig. 7 shows a slightly elliptical workpiece 34 produced by the innovative method in the combination machine 9 after cutting and rounding but before welding, and an annular part 35 after cutting, rounding and welding, applied to the longitudinally welded weld 36th

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP13737525.9A 2013-07-08 2013-07-08 Verfahren zur herstellung von ringförmigen teilen und eine anwendung des verfahrens Active EP3019287B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2013/000120 WO2015003276A1 (de) 2013-07-08 2013-07-08 Verfahren zur herstellung von ringförmigen teilen und eine anwendung des verfahrens

Publications (2)

Publication Number Publication Date
EP3019287A1 EP3019287A1 (de) 2016-05-18
EP3019287B1 true EP3019287B1 (de) 2017-05-17

Family

ID=48793845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13737525.9A Active EP3019287B1 (de) 2013-07-08 2013-07-08 Verfahren zur herstellung von ringförmigen teilen und eine anwendung des verfahrens

Country Status (4)

Country Link
US (1) US20160136703A1 (zh)
EP (1) EP3019287B1 (zh)
CN (1) CN105555430A (zh)
WO (1) WO2015003276A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108480881A (zh) * 2018-03-21 2018-09-04 鞍钢未来钢铁研究院有限公司 一种基于关节机器人的冷轧钢卷卷芯焊接方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6877097B2 (ja) * 2016-06-28 2021-05-26 昭和アルミニウム缶株式会社 印刷装置、飲料用缶の製造方法

Family Cites Families (18)

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US3215107A (en) * 1962-07-05 1965-11-02 Reynolds Metals Co Production of containers by formation of slits and holes in strip material
US3285490A (en) * 1963-06-25 1966-11-15 Wallace Expanding Machines Apparatus for making tubular members
US3578935A (en) * 1969-02-10 1971-05-18 Stampco Inc Automatic drum-forming machine
US3662940A (en) * 1969-05-13 1972-05-16 Grotnes Machine Works Inc Method and apparatus for forming cylinders from strip material
US3675460A (en) * 1970-06-08 1972-07-11 Torin Corp Four-slide machine with improved mandrel for producing bearings and the like
US4073260A (en) * 1976-04-19 1978-02-14 British Steel Corporation Apparatus for removing cross welds from metal tubes and marking the same
CA1033199A (en) * 1978-01-16 1978-06-20 Cyril J. Astill Method of producing seam welded tube
JPS6076220A (ja) * 1983-10-03 1985-04-30 Furukawa Electric Co Ltd:The 金属細管の製造方法
US4911209A (en) * 1989-03-15 1990-03-27 Expo Wire Company Method and apparatus for forming wire mesh cages
IT1256688B (it) * 1992-03-04 1995-12-12 Lara Consultants Srl Procedimento per la realizzazione di manufatti strutturali mediante, lavorazioni combinate di taglio e saldatura, apparecchiatura per l'esecuzione di tale procedimento e manufatti cosi' ottenuti
CN1091062A (zh) * 1993-02-19 1994-08-24 休麦尔罗米尼斯有限公司 用金属板材制管的装置
DE59510211D1 (de) * 1994-08-10 2002-06-27 Elpatronic Ag Bergdietikon Verfahren und Vorrichtung zum Runden von Blechstücken
DE4432674C1 (de) 1994-09-14 1996-02-22 Weil Eng Gmbh Vorrichtung und Verfahren zum Herstellen von Rohren
KR100657465B1 (ko) * 2004-05-15 2006-12-13 엘지전자 주식회사 세탁기의 드럼 제작 방법
US20070095001A1 (en) * 2005-10-04 2007-05-03 Shape Corporation Continuous process of roll-forming pre-stamped varying shapes
KR101246935B1 (ko) * 2006-10-12 2013-03-25 제이에프이 스틸 가부시키가이샤 우수한 용접부 특성을 갖는 용접관의 제조 장치
DE102008027807B4 (de) 2008-06-06 2011-05-12 Eisenbau Krämer mbH Verfahren zum Herstellen eines großen Stahlrohres
JP2011020159A (ja) * 2009-07-17 2011-02-03 Nippon Steel & Sumikin Metal Products Co Ltd 電縫管製造設備のスクイズロール用スクレーパ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108480881A (zh) * 2018-03-21 2018-09-04 鞍钢未来钢铁研究院有限公司 一种基于关节机器人的冷轧钢卷卷芯焊接方法

Also Published As

Publication number Publication date
US20160136703A1 (en) 2016-05-19
EP3019287A1 (de) 2016-05-18
WO2015003276A1 (de) 2015-01-15
CN105555430A (zh) 2016-05-04

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