EP2529849A2 - Dispositif et procédé de fabrication de tuyaux fendus à partir de plaques de tôle - Google Patents

Dispositif et procédé de fabrication de tuyaux fendus à partir de plaques de tôle Download PDF

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Publication number
EP2529849A2
EP2529849A2 EP12003900A EP12003900A EP2529849A2 EP 2529849 A2 EP2529849 A2 EP 2529849A2 EP 12003900 A EP12003900 A EP 12003900A EP 12003900 A EP12003900 A EP 12003900A EP 2529849 A2 EP2529849 A2 EP 2529849A2
Authority
EP
European Patent Office
Prior art keywords
preform
tube
bending
slot
tool
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.)
Granted
Application number
EP12003900A
Other languages
German (de)
English (en)
Other versions
EP2529849B1 (fr
EP2529849A3 (fr
Inventor
Mario Dr.-Ing. Thome
Manfred Dipl.-Ing. Kolbe
Jochen Dr.-Ing. Vochsen
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.)
SMS Group GmbH
Original Assignee
SMS Meer GmbH
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 SMS Meer GmbH filed Critical SMS Meer GmbH
Publication of EP2529849A2 publication Critical patent/EP2529849A2/fr
Publication of EP2529849A3 publication Critical patent/EP2529849A3/fr
Application granted granted Critical
Publication of EP2529849B1 publication Critical patent/EP2529849B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B21D5/015—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes
    • 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

Definitions

  • the invention relates to a method for producing slotted tubes from sheet metal plates, in particular thick metal sheets, wherein a metal sheet is fed to a tube forming press in which it rests on a lower tool of a raised and lowered upper tool by applying a bending force progressively to the later Lhacksnahtsch spaung With a gap opposite longitudinal edges having slot tube is formed. Furthermore, the invention relates to a device for carrying out the method.
  • a pipe forming or tube bending press has usually in a base frame one of two laterally spaced juxtaposed support or bending bodies existing lower tool and a vertically engageable from above against the lower die, carried by a raisable and lowerable bending bar, over the entire length the metal sheet extending upper tool with which a bending force can be applied to the resting on the lower die metal sheet.
  • the Metal sheet is pre-bent at the longitudinal edges in a first step, usually in a separate edge banding press.
  • the pre-bending of the longitudinal edges is carried out so that the tube radius in the deformation of the slot tube in the region of the later seam, where the longitudinal edges of the bent to the tube sheet metal plate face each other for Leksnahtversch adoptedung with a gap is uniformly formed.
  • the thus pre-bent metal sheet is then inserted into the pipe-forming press and subjected there to the actual bending process.
  • a bending force is applied to the metal sheet by depressing the press upper part, which sets a deformation of the metal sheet under the action of the bending load value and carried by this upper mold. This procedure is repeated several times until the metal sheet has been converted to the slot pipe.
  • a very problematic in the progressive molding process has a significantly influenced by the sword width, especially in thick-walled tubes, for example, 40 mm remaining, large residual gap of the slot of about 130 to 170 mm and also shown stresses in the slot tube.
  • a Large slit width requires high closing forces in the tack welding device, and because of the high stresses in the stapled as well as residual stresses in the finished welded pipe there is a risk of a rupturing tack or weld.
  • When recognized too large slot widths remedy is created by the fact that experienced machine operators have closed by repeated manual actuation of the tube forming press the slot as far as possible. This procedure is not only time consuming with correspondingly reduced throughput, but continue to perform not with reproducible good quality.
  • the invention is therefore an object of the invention to provide a method and a system of the type mentioned without the disadvantages mentioned, especially in thick-walled and small in diameter, for example, about 800 mm, tubes in a simple way the production of circular cylindrical slotted tubes with reproducible quality create.
  • a slot tube is produced with a non-circular preform by at least in a relative to the dipping of the longitudinal axis of the progressively formed metal sheet upper tool center respectively left and right on the inside of the metal sheet acting bending step is compared to the other Biezogen lower indentation is made, and that thereafter by applying an externally on the non-circular preform each targeted in the previously on both sides of the middle of small molded areas impacting Zudrückkraft the finished slot tube is formed.
  • An advantageous measure according to the invention provides that the non-circular preform is positioned in the finishing step before applying the Zudrückkraft by rotation in a clockwise or counterclockwise direction. Depending on the positioning, the compression force is thus introduced to the left or right of the slot or gap in the non-circular preform.
  • the area of the lower half formed on the right side of the center is turned to an approximately 3 o'clock position and the area of the lower left of the center is turned to an approximately 9 o'clock position.
  • the object underlying the invention is achieved with a device that is provided for forming the metal sheet to a non-circular preform and then reshaping to the slotted tube with reversible in their rotation means formed lower tool and externally acted upon against the positioned preform punch.
  • the finished slot tube can thus be produced starting from the metal sheet on only one tube forming press or machine.
  • the reversal of the direction of rotation allows the non-circular preform to be positioned exactly in such a way that the compressive force acts at the point of action, namely on both sides of the slot. It can readily be used to apply the Zudschreibkraft from the outside to the preform, the bending rate of the tube forming press.
  • the press can be converted with a Zudschreibstempel.
  • An embodiment of the invention which is preferred for increasing the production output provides that at least one tube forming press producing a noncircular preform is followed by a pressing press, which has the lower tool formed with means reversible in its direction of rotation and, as upper tool, the punch which can be acted on from the outside against the positioned non-circular preform.
  • the tube forming press from which the non-circular shape is ejected, thus closes a pressing press, in which the supplied non-circular preform is formed into the finished slot tube at least in two successive steps, respectively to the right and left of the slot or gap ,
  • the non-circular preforming of the metal sheet can thus be carried out at a location independent of the final deformation of the slot pipe.
  • the rotatable means of the lower tool are formed according to a proposal of the invention as two spaced-apart, rotatably driven rollers. Reversing the direction of rotation of the rollers makes it possible to position the non-circular preform for final forming with optimized force introduction.
  • the time course on the one hand in the preforming in the tube forming press and on the other hand the completion in the Zudschreibpresse allows that a downstream Zudschreibpresse can serve two tube forming presses.
  • An embodiment of the invention provides that the rotatable rollers are mounted with a suspension.
  • the support of the non-round preform on the lower tool of the Zudrückpresse can be improved by a provided between the rollers, stationary support body.
  • a well-known tube forming press 1 is after Fig. 1 one on their long sides with edge bends 2 (see. Fig. 3 ) provided sheet metal plate 3 gradually to a finished slotted tube 4 a - or reshaped.
  • the metal sheet 3 is placed on a two spaced-apart support body 5a, 5b having lower tool 6, wherein the forming force of a bending spring 7 with a mounted on his leading front end mold 8, raised and lowered upper tool 9 is applied.
  • the metal sheet 3 to be formed or formed is guided by two lateral counter-supports 10a, 10b, of which the counter-holder 10a is linearly adjustable and nachschiebt the required for a next Einform suits sheet metal section.
  • the finished slot pipe 4, as in Fig. 1c illustrates, has a large slot or gap 11, the welding to a closed, longitudinally welded pipe, as shown in dashed lines in Fig. 1c shown, extremely difficult.
  • the non-circular preform 13 thus produced in a first stage in the tube-forming press 1 is fed from the tube-forming press 1 to a pressure-feeding press 14 which is connected downstream in the production process after the conveying out or pushing Fig. 2b shown.
  • the Zudschreibpresse 14 has a lower tool 15, which consists of two spaced-apart, reversible in their direction of rotation, as in Fig. 2b indicated by the double arrows, driven rollers 16a, 16b and a distance between the rollers 16a, 16b bridging, stationary support body 17 is made.
  • the rotatable rollers 16a, 16b can be supported supported by a spring means 18 (see. Fig. 3 ).
  • the lower tool 15 opposite a formed with a punch 19 upper tool 20 is arranged. About the punch 19, the Zudschreibkraft for producing the finished, largely circular slot tube 104 is applied from the outside to the non-circular preform 13.
  • the non-circular preform 13 is positioned over the rotatable rollers 16a, 16b so that the less molded portion 12b located to the right of the slit 11 is in a 3 o'clock position as in FIG Fig. 3 indicated by the dot-dashed, horizontal line.
  • the second press bending step is - in the same sequence as before - in Fig. 4B illustrated.
  • the preform 13 which is still non-circular in its left half, has been positioned such that the area 12a, which is formed less to the left of the slot or gap 11, assumes a 9 o'clock position.
  • the applied by the punch 19 now on this side of the preform 13 Zudschreibkraft F brings the non-circular preform 13 then in the final, largely circular shape of the finished slot tube 104 with the achieved thereby, much smaller slit or gap 111 (Fig. Right outside).
EP12003900.3A 2011-05-31 2012-05-18 Dispositif et procédé de fabrication de tuyaux fendus à partir de plaques de tôle Active EP2529849B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011103734 2011-05-31

Publications (3)

Publication Number Publication Date
EP2529849A2 true EP2529849A2 (fr) 2012-12-05
EP2529849A3 EP2529849A3 (fr) 2017-03-15
EP2529849B1 EP2529849B1 (fr) 2021-03-10

Family

ID=46318782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12003900.3A Active EP2529849B1 (fr) 2011-05-31 2012-05-18 Dispositif et procédé de fabrication de tuyaux fendus à partir de plaques de tôle

Country Status (5)

Country Link
EP (1) EP2529849B1 (fr)
JP (1) JP6188282B2 (fr)
CN (1) CN102806245B (fr)
BR (1) BR102012012992B1 (fr)
RU (1) RU2505370C1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3000542A4 (fr) * 2013-05-20 2016-05-18 Jfe Steel Corp Dispositif de presse à cintrer, procédé de presse à cintrer, dispositif de production de tube d'acier, et procédé de production de tube d'acier
EP3006129A4 (fr) * 2013-05-30 2016-06-22 Jfe Steel Corp Procédé de moulage par pressage d'un tuyau d'acier et procédé de fabrication de ce dernier
WO2016193395A1 (fr) * 2015-06-03 2016-12-08 Sms Group Gmbh Procédé de fabrication de tubes fendus en feuilles de tôle
DE102018211311A1 (de) 2018-07-09 2020-01-09 Sms Group Gmbh Erweiterte Regelung JCO-Formpresse
CN112638558A (zh) * 2018-09-14 2021-04-09 杰富意钢铁株式会社 钢管的制造方法及冲压模具
DE102020215088A1 (de) 2020-12-01 2022-06-02 Sms Group Gmbh Verfahren zur Herstellung von Schlitzrohren

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RU2621747C1 (ru) * 2013-05-29 2017-06-07 ДжФЕ СТИЛ КОРПОРЕЙШН Способ получения сварной стальной трубы
JP6262166B2 (ja) * 2014-03-31 2018-01-17 Ｊｆｅスチール株式会社 ベンディングプレス成形用金型
JP6112740B2 (ja) * 2014-03-31 2017-04-12 Ｊｆｅスチール株式会社 ３点曲げプレス成形による鋼管の成形方法および成形装置
KR101528155B1 (ko) * 2014-07-01 2015-06-11 (주)재원산업기계 용접강관 성형기의 프레스벤딩 기구
CN104275364B (zh) * 2014-08-28 2016-08-17 深圳市沃尔核材股份有限公司 一种用以将支撑条制成支撑管的设备
CN104384831B (zh) * 2014-09-12 2016-07-06 安吉中元管业有限公司 一种穿布管的制造方法
CN107000012B (zh) * 2014-11-25 2019-08-27 杰富意钢铁株式会社 钢管的制造方法以及在该方法中使用的冲压模具
RU2641937C1 (ru) * 2016-12-07 2018-01-23 Вячеслав Геннадьевич Баландин Способ изготовления прямошевной трубы со стыковым швом из металлической заготовки и трубоформовочное устройство
CN110461488B (zh) 2017-03-15 2021-09-10 杰富意钢铁株式会社 冲压模具及钢管的制造方法
RU2660464C1 (ru) * 2017-10-23 2018-07-06 Акционерное общество "Выксунский металлургический завод" Способ производства сварных прямошовных труб большого диаметра для магистральных трубопроводов
CN111954580B (zh) * 2018-03-30 2022-05-10 杰富意钢铁株式会社 钢板的端部弯曲方法及装置以及钢管的制造方法及设备
RU2702666C1 (ru) * 2018-07-25 2019-10-09 Маргарит Арменовна Товмасян Способ шаговой формовки труб большого диаметра
US11654208B2 (en) 2020-05-27 2023-05-23 Rajasekhar Rayaprol Disinfecting and illuminating lighting assemblies
BR112023000222A2 (pt) 2020-07-10 2023-01-31 Jfe Steel Corp Método de geração de modelo de previsão de perda de circularidade de tubo de aço, método de previsão de perda de circularidade de tubo de aço, método de controle de perda de circularidade de tubo de aço, método de fabricação de tubo de aço, e dispositivo de previsão de perda de circularidade de tubo de aço
JP6958775B1 (ja) 2020-07-10 2021-11-02 Ｊｆｅスチール株式会社 鋼管の真円度予測方法、鋼管の真円度制御方法、鋼管の製造方法、鋼管の真円度予測モデルの生成方法、及び鋼管の真円度予測装置
WO2022009575A1 (fr) 2020-07-10 2022-01-13 Ｊｆｅスチール株式会社 Procédé de génération de modèle de prédiction de rondeur de tuyau d'acier, procédé de prédiction de rondeur de tuyau d'acier, procédé de commande de rondeur de tuyau d'acier, procédé de fabrication de tuyau d'acier et dispositif de prédiction de rondeur de tuyau d'acier
WO2022009576A1 (fr) 2020-07-10 2022-01-13 Ｊｆｅスチール株式会社 Procédé de prédiction de rondeur de tuyau d'acier, procédé de commande de rondeur de tuyau d'acier, procédé de production de tuyau d'acier, procédé de génération de modèle de prédiction de rondeur de tuyau d'acier et dispositif de prédiction de rondeur de tuyau d'acier
KR102208184B1 (ko) * 2020-08-05 2021-01-27 주식회사 현대알비 강관 밴딩기의 충격 완화 및 강관 배출장치

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3000542A4 (fr) * 2013-05-20 2016-05-18 Jfe Steel Corp Dispositif de presse à cintrer, procédé de presse à cintrer, dispositif de production de tube d'acier, et procédé de production de tube d'acier
EP3006129A4 (fr) * 2013-05-30 2016-06-22 Jfe Steel Corp Procédé de moulage par pressage d'un tuyau d'acier et procédé de fabrication de ce dernier
US11097326B2 (en) 2015-06-03 2021-08-24 Sms Group Gmbh Method for producing open-seam pipes from sheet metal panels
WO2016193395A1 (fr) * 2015-06-03 2016-12-08 Sms Group Gmbh Procédé de fabrication de tubes fendus en feuilles de tôle
DE102015210259A1 (de) * 2015-06-03 2016-12-08 Sms Group Gmbh Verfahren zum Herstellen von Schlitzrohren aus Blechtafeln
DE102015210259B4 (de) * 2015-06-03 2016-12-15 Sms Group Gmbh Verfahren zum Herstellen von Schlitzrohren aus Blechtafeln
CN108076631A (zh) * 2015-06-03 2018-05-25 西马克集团有限公司 由金属板制造直缝管筒的方法
DE102018211311A1 (de) 2018-07-09 2020-01-09 Sms Group Gmbh Erweiterte Regelung JCO-Formpresse
DE102018211311B4 (de) * 2018-07-09 2020-03-26 Sms Group Gmbh Erweiterte Regelung JCO-Formpresse
RU2729480C1 (ru) * 2018-07-09 2020-08-07 Смс Груп Гмбх Расширенная регулировка формовочного пресса типа jco
WO2020011772A1 (fr) 2018-07-09 2020-01-16 Sms Group Gmbh Presse à former à jco à réglage élargi
CN112638558A (zh) * 2018-09-14 2021-04-09 杰富意钢铁株式会社 钢管的制造方法及冲压模具
CN112638558B (zh) * 2018-09-14 2022-12-16 杰富意钢铁株式会社 钢管的制造方法及冲压模具
DE102020215088A1 (de) 2020-12-01 2022-06-02 Sms Group Gmbh Verfahren zur Herstellung von Schlitzrohren

Also Published As

Publication number Publication date
EP2529849B1 (fr) 2021-03-10
JP2012250285A (ja) 2012-12-20
JP6188282B2 (ja) 2017-08-30
EP2529849A3 (fr) 2017-03-15
BR102012012992B1 (pt) 2021-03-16
BR102012012992A2 (pt) 2013-11-05
RU2505370C1 (ru) 2014-01-27
CN102806245A (zh) 2012-12-05
RU2012122452A (ru) 2013-12-10
CN102806245B (zh) 2016-06-01

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