EP0212166B1 - Procédé et dispositif pour dudgeonner des tubes - Google Patents

Procédé et dispositif pour dudgeonner des tubes Download PDF

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Publication number
EP0212166B1
EP0212166B1 EP86109001A EP86109001A EP0212166B1 EP 0212166 B1 EP0212166 B1 EP 0212166B1 EP 86109001 A EP86109001 A EP 86109001A EP 86109001 A EP86109001 A EP 86109001A EP 0212166 B1 EP0212166 B1 EP 0212166B1
Authority
EP
European Patent Office
Prior art keywords
tube
rolling
roller
expansion
measuring 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.)
Expired
Application number
EP86109001A
Other languages
German (de)
English (en)
Other versions
EP0212166A2 (fr
EP0212166A3 (en
Inventor
Ulrich Dipl.-Ing. Rottländer
Gustav Thönes
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.)
Hitachi Zosen Inova Steinmueller GmbH
Original Assignee
L&C Steinmueller 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 L&C Steinmueller GmbH filed Critical L&C Steinmueller GmbH
Publication of EP0212166A2 publication Critical patent/EP0212166A2/fr
Publication of EP0212166A3 publication Critical patent/EP0212166A3/de
Application granted granted Critical
Publication of EP0212166B1 publication Critical patent/EP0212166B1/fr
Expired legal-status Critical Current

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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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/10—Tube expanders with rollers for expanding only
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in

Definitions

  • the invention relates to a method for rolling pipes in tube sheets of the type mentioned in the preamble of claim 1 above.
  • a method of this type is known from DE-A 2 331 341.
  • the rolling mandrel which is engaged with axially parallel rolling rollers, is displaced in the direction of the rolling rollers until the required adhesive expansion is achieved.
  • the adhesion expansion is measured as the torque occurring at the drive motor and when the set torque corresponding to the desired adhesion expansion is reached, at least the mandrel feed is switched off by the drive machine.
  • This object is achieved in that the size of the adhesion expansion is determined by means of an ultrasound measurement of the changing thickness of the tube wall during the expansion.
  • the invention also relates to a device for carrying out the method and is based on a device according to DE-A 2 331 341 with a tube roller driven by a drive machine and a rolling-in control device on which the desired adhesion expansion value can be set.
  • an ultrasonic measuring head is provided in the tube roll, which is connected to the roll-in control device.
  • the measuring arrangement it is primarily important that an ultrasonic field component penetrates into the tube wall.
  • Mirror arrangements can be interposed.
  • the ultrasound head is preferably arranged substantially perpendicular to the axis of rotation of the tube roller.
  • the device is based on a tube roller as described in DE-A 2 331 341.
  • a tube roll has at least several roll rolls arranged axially parallel in a rotatable roll body and an at least axially advanceable conical roll mandrel for the spreading of the roll roll.
  • the ultrasonic measuring head is expediently arranged in the roller body.
  • the ultrasonic measuring head is connected to the roll-in control device via a slip ring connection.
  • the space between the measuring window and the inner tube wall is filled with a liquid.
  • this liquid can also dissipate the heat released during the rolling in if the annular space is not only filled statically with the coupling liquid, preferably water, but is flowed through by it.
  • the method according to the invention enables Feed and rotation are rigidly coupled with each other because the wall thickness is measured directly. There is therefore no need for a separate coupling between the advance movement and the rotary movement.
  • the rotational movement of the rolling mandrel is transmitted to the rolling body via the rolling rollers. It is therefore preferable that the rolling mandrel and the rolling body are in rotational engagement with one another via the rolling rollers without a clutch.
  • the tubular roller 1 has a basic component 2, in which a roller body 3 is rotatably mounted via bearings 4 and 5.
  • roller body 3 In the roller body 3, three roller rollers 6 are mounted axially parallel in corresponding slots 3a of the roller body.
  • a rolling mandrel 7, which extends conically towards the front, is displaceably arranged, by means of which the rolling rollers 6 can be spread.
  • the geometry of the rolling rollers 6 is adapted to the conicity of the rolling mandrel 7.
  • the rolling mandrel 7 is connected to a drive 8 which can advance and rotate the rolling mandrel 7.
  • the arrangement of the roller rollers 6 in the slots 3a and the placement of the roller rollers on the surface of the mandrel 7 transmit a rotary movement to the roller body 3.
  • An ultrasonic measuring head 9 is arranged in the roller body between the slits 3a formed at 120 ° , the measuring window 9a of which is aligned radially with the inner wall IW of a tube R to be rolled into a tube sheet RB.
  • the ultrasonic measuring head 9 is connected to a slip ring device 11 via lines 10.
  • the grinding device 11 in the basic component 1 is connected via line 12 to a rolling-in controller 13, to which the adhesion expansion value to be achieved is predetermined via a setpoint adjuster 13a.
  • the rolling-in control device can control a switch 14, which in turn can switch the drive on or off.
  • the expansion process can be logged using a display and / or writing device 15.
  • the basic component 2 is provided with a water connection 2a, so that the annular space between the mandrel 7 and the roller body 3 can be filled with water, which exits via the slots 3a and also fills the annular space between the outer surface of the roller body and the inner wall IW of the tube.
  • sealing measures are required, two of which ring seals 16 and 17 are shown in FIG. 1.
  • the person skilled in the art is readily able to provide appropriate seals, such as, B. seal 18 to provide. For the sake of simplicity, these are not all shown.
  • the application of water can take place statically, so that there is no through-flow, or else flowing, so that the heat generated during rolling can also be dissipated by means of the coupling liquid.
  • the impulses attributable to the impingement of the ultrasonic field on the inner tube wall IW and on the tube sheet RB can be discriminated from one another, so that a continuous thickness measurement is possible.
  • Ultrasonic measuring methods for determining thickness are known per se.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Forging (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Claims (6)

1. Procédé de dudgeonnage de tubes (R) dans des fonds de tubes (RB), en particulier dans des échangeurs de chaleur, à l'aide d'un dudgeon (1) avec lequel, avant le dudgeonnage, on ajuste la valeur d'épanouissement souhaitée pour assurer la fixation et avec lequel, pendant le dudgeonnage, on mesure l'épanouissement de fixation et on arrête l'épanouissement lorsque est atteinte la valeur prédéterminée, caractérisé en ce que, pendant l'épanouissement, on détermine la grandeur de l'épanouissement de fixation en mesurant aux ultra-sons les modifications de l'épaisseur de la paroi du tube.
2. Dispositif pour mettre en oeuvre le procédé selon la revendication 1, comportant un dudgeon (1) actionné par une machine d'entraînement (8) et un appareil de commande (13) du dudgeonnage sur lequel on peut régler la valeur souhaitée poux l'épanouissement de fixation, caractérisé en ce que, dans le dudgeon (1), il est prévu une tête de mesure (9) à ultra-sons reliée à l'appareil de commande (13) du dudgeonnage.
3. Dispositif selon la revendication 2, dans lequel le dudgeon comporte au moins plusieurs galets de dudgeonnage (6) dont les axes sont parallèles et qui son disposés dans un corps de dudgeon (3) mobile en rotation et un mandrin de dudgeon (7) conique et mobile au moins axialement, pour écarter les galets de dudgeonnage (6), caractérisé en ce que la tête de mesure (9) à ultra-sons est disposée dans le corps de dudgeon (3).
4. Dispositif selon la revendication 2 ou 3, caractérisé en ce que la tête de mesure (9) à ultra-sons est reliée à l'appareil de commande (13) du dudgeonnage par une liaison (il) à bague collectrice.
5. Dispositif selon l'une des revendications 2 à 4, caractérisé en ce que le mandrin de dudgeon (7) et le corps de dudgeon (3) sont solidarisés en rotation, sans accouplement, par les galets de dudgeonnage (6).
6. Fond de tube (RB) comportant un tube (R) engagé dans une ouverture du fond de tube et un dispositif selon l'une des revendications 2 à 5 qui est introduit dans le tube, caractérisé en ce que la tête de mesure à ultra-sons comporte une fenêtre de mesure (9a) et en ce que l'espace libre entre la fenêtre de mesure (9a) et la paroi intérieure (IW) du tube est rempli d'un liquide.
EP86109001A 1985-08-13 1986-07-02 Procédé et dispositif pour dudgeonner des tubes Expired EP0212166B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3528967A DE3528967C1 (de) 1985-08-13 1985-08-13 Verfahren und Vorrichtung zum Einwalzen von Rohren
DE3528967 1985-08-13

Publications (3)

Publication Number Publication Date
EP0212166A2 EP0212166A2 (fr) 1987-03-04
EP0212166A3 EP0212166A3 (en) 1987-05-27
EP0212166B1 true EP0212166B1 (fr) 1989-12-20

Family

ID=6278370

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86109001A Expired EP0212166B1 (fr) 1985-08-13 1986-07-02 Procédé et dispositif pour dudgeonner des tubes

Country Status (4)

Country Link
US (1) US4730473A (fr)
EP (1) EP0212166B1 (fr)
JP (1) JPS6297731A (fr)
DE (2) DE3528967C1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0444272Y2 (fr) * 1988-04-04 1992-10-19
DE10208304C1 (de) * 2002-02-26 2003-11-20 Fraunhofer Ges Forschung Verfahren zur Überwachung und gegebenenfalls Steuerung des Fügeprozesses beim Durchsetzfügen
JP2010240681A (ja) * 2009-04-03 2010-10-28 Sumitomo Metal Ind Ltd 冷間圧延法による超薄肉継目無金属管の製造方法
US8904874B2 (en) * 2011-03-28 2014-12-09 Helmut Knorr Ultrasonic transmitting and receiving device for thickness and/or grammage measurement
US9561522B2 (en) * 2011-03-28 2017-02-07 Helmut Knorr Ultrasonic transmitting and receiving device for thickness and/or grammage measurement

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401547A (en) * 1966-01-26 1968-09-17 Gen Dynamics Corp Measurement and control of rolled material thickness and quality
US3404551A (en) * 1966-05-12 1968-10-08 Gen Dynamics Corp Ultrasonic gauging and control
US3600613A (en) * 1968-08-22 1971-08-17 Branson Instr Transducer probe for ultrasonic pulse-echo test apparatus
US3693387A (en) * 1970-12-14 1972-09-26 Vernon Tool Co Ltd Automatic lubricating and cooling device for tube expander
US3718017A (en) * 1971-08-23 1973-02-27 Vernon Tool Co Automatic control system for tube expander tool
DE2205281C2 (de) * 1972-02-04 1982-10-21 Kotthaus & Busch, 5630 Remscheid Verfahren und Vorrichtung zum differenzierten Einwalzen von Rohren
DE2331341A1 (de) * 1973-06-20 1975-01-16 Kotthaus & Busch Vorrichtung zum einwalzen von rohren
GB2022865B (en) * 1978-06-10 1982-11-17 V Nii Pi Tekhnol Khim I Neftya Method and machine for expanding tubes in a tibe wall
SU774715A1 (ru) * 1979-01-09 1980-10-30 Волгоградский Политехнический Институт Устройство дл контрол степени развальцовки труб
DE2924835A1 (de) * 1979-06-20 1981-01-15 Kotthaus & Busch Verfahren zum aufweiten von rohren sowie vorrichtung zur durchfuehrung des verfahrens
SU923677A2 (en) * 1980-05-13 1982-04-30 Volgogradsky Politekh Inst Apparatus for checking tube expansion degree
US4520672A (en) * 1982-08-19 1985-06-04 Saint Amour John D Thickness measuring

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"CHEM.ING.-TECHNIK", 23.JAHRGANG, NR 17/18, 1951, DUNKER, "FESTIGKEIT VON ROHREINWALZUNGEN IN ROHRBÖDEN", S. 433 bis 437 *
"Stahl und Eisen" 53. JAHRGANG, HEFT 47, 23.NOV. 1933, SIEBEL 'WALZVERBINDUNGEN', S. 1205 bis 1215 *

Also Published As

Publication number Publication date
US4730473A (en) 1988-03-15
JPS6297731A (ja) 1987-05-07
DE3528967C1 (de) 1987-01-15
EP0212166A2 (fr) 1987-03-04
DE3667619D1 (de) 1990-01-25
EP0212166A3 (en) 1987-05-27

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