EP2832868A2 - Outil de presse, ainsi que procédé de fabrication d'un outil de presse - Google Patents

Outil de presse, ainsi que procédé de fabrication d'un outil de presse Download PDF

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Publication number
EP2832868A2
EP2832868A2 EP20140002359 EP14002359A EP2832868A2 EP 2832868 A2 EP2832868 A2 EP 2832868A2 EP 20140002359 EP20140002359 EP 20140002359 EP 14002359 A EP14002359 A EP 14002359A EP 2832868 A2 EP2832868 A2 EP 2832868A2
Authority
EP
European Patent Office
Prior art keywords
pressing
die
running
contact surface
strips
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
EP20140002359
Other languages
German (de)
English (en)
Other versions
EP2832868A3 (fr
EP2832868B1 (fr
Inventor
Markus Faulstich
Thoralf Krause
Arnd Greding
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.)
Rothenberger AG
Original Assignee
Rothenberger AG
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 Rothenberger AG filed Critical Rothenberger AG
Priority to PL14002359T priority Critical patent/PL2832868T3/pl
Publication of EP2832868A2 publication Critical patent/EP2832868A2/fr
Publication of EP2832868A3 publication Critical patent/EP2832868A3/fr
Application granted granted Critical
Publication of EP2832868B1 publication Critical patent/EP2832868B1/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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53709—Overedge assembling means
    • Y10T29/53717—Annular work
    • Y10T29/53726—Annular work with second workpiece inside annular work one workpiece moved to shape the other

Definitions

  • the invention relates to a method for producing a pressing tool. Furthermore, the invention relates to a pressing tool which can be produced by such a method.
  • This high dimensional accuracy of the curing is achieved because only a small portion of a surface layer is heated by the action of the laser beam and the necessary very rapid cooling takes place by the removal of heat in the pressing tool or the pressing jaw. It is thus neither the pressing tool or the pressing jaw to heat nor cool by a quenching medium to form the hardening layer.
  • the formation of the hardening layer is therefore procedurally relatively easy to implement and thus relatively inexpensive.
  • the thickness of the hardening layer is varied or variable between approximately 0.2 mm to approximately 1.5 mm, in particular 0.5 mm to 1.2 mm.
  • the at least one area for the hardening treatment is affected, which is subject to a particularly high load during the compression of pipe sections.
  • this area namely the contact side or contact surface acts an actuating device to press the pressing jaw under application of a pressing force against the pipe sections to be pressed.
  • the contact side or the contact surface is acted upon for example by a drive roller of the actuator.
  • the contact side or the contact surface is thus subject to a high mechanical load.
  • the selected area may extend on the contact surface to within or over an inlet rounding for the running or sliding element. This is also the Einlaufrundung of the laser beam caused by the hardened layer comprises.
  • the edge itself remains uncured or at least largely uncured, so that the edge still has a certain pressure-absorbing capacity.
  • the edge may still have a ductile structure, whereas in the subsequent region of the contact surface then the hardening layer is formed.
  • the edge may be a marginal edge, for example a longitudinal edge.
  • the embodiment according to claim 11 and also the embodiment according to claim 12 each aim at the advantages of the embodiments of claims 9 and / or 10, wherein the embodiment according to claim 11 and the embodiment according to claim 12 is a particularly expedient design of the hardening layer.
  • the strips should extend away from one another with their longitudinal extent in the direction of the running or sliding movement of the running or sliding element carried out during the pressing process.
  • the positional stability generated by the strips for the running or sliding element increases with increasing loading of the contact surface by the running or sliding element.
  • the strips may run on a "V" standing in the direction of the running or sliding movement of the running or sliding element during the pressing process.
  • the strips may be formed substantially equal in width to each other.
  • the strips can also lie axially symmetrical with respect to the longitudinal central axis of the pressing jaw.
  • the invention comprises a pressing tool which can be produced or produced by a method of the type described above.
  • the pressing jaws 1 and 1 ' are formed substantially identical.
  • the pressing jaws 1 and 1 ' project with their longitudinal extension on both sides via the intermediate member 110, wherein on the one protruding side the pressing jaws 1 and 1' each have a contact side 5 and on their other protruding side each having a die 2.
  • an active surface is formed, by means of which the pressing jaws 1 and 1 'against a recorded between (and in the FIG. 1 not shown) to be pressed pipe section, for example, a pipe connection.
  • the respective die 2 is designed for example as a half-cylinder, wherein in the closed state of the die 2, as in the FIG. 1 is shown, formed by the opposite end faces of the respective dies 2 closing joints 120 and 130.
  • FIG. 2 shows an example of a pressing jaw 1.1, which, for example, in the pressing tool 100 according to the FIG. 1 can be used.
  • the pressing jaw 1.1 according to the FIG. 2 differs from the press jaws 1 and 1 'according to the FIG. 1 for example, characterized in that the die 2 forms a polygonal half-cylinder.
  • the die 2 can also have any other geometry.
  • end faces 3 and 4 With their end faces 7 and 8, which each serve to form the closing joint 120 and 130, respectively.
  • FIGS. 4 to 10 show examples of the laser treatment of sections 12, 13 and / or 14.
  • the transition of the die 2 to the end face 3 and the transition of the die 2 to the end face 4 are preferably arranged substantially equidistant from the central axis 19 of the die 2.
  • the selected area 12.1 and the selected area 13.1 each extend into the opposite edges 10 and 11, which preferably form edge edges.
  • the hardening layer 40 is also formed there.
  • the selected area 14.1 also extends there as far as the opposite edges 10 and 11. By way of example, the selected area 14.1 extends beyond the curved section 9 of the inlet rounding 25.
  • the pressing jaw 1.2 according to the FIG. 5 differs from the press jaw 1.1 according to the FIG. 4 among other things, that in the transition of the die 2 to the end face 3 and also in the transition of the die 2 to the end face 4 only portions 15, 16 and 17, 18 were laser-irradiated with the smallest distance to the central axis 19 of the die 2, so that only there, the hardening layer 40 has formed.
  • the FIG. 6 shows a pressing jaw 1.3 as a cutout in the region of its contact surface 6.
  • the pressing jaw 1.3 according to the FIG. 6 differs from the press jaw 1.1 according to the FIG. 4 inter alia in that a selected area 14.3 has been laser-irradiated, which extends only to or up to the arc section 9 of the inlet fillet 25.
  • the arcuate portion 9 thus has, for example, still a ductile structure, whereas the hardening layer 40 has formed on the remaining contact surface 6.
  • the single strip 20 preferably extends in the direction of the running or sliding movement of a running or sliding element.
  • At least one of the strips 21 and 22 has a constant width in the direction of its longitudinal extent.
  • the strips 21 and 22 may each have a constant width in the direction of their longitudinal extent. It is also conceivable that the strips 21 and 22 are formed substantially equal in width to each other.
  • the strips 23 and 24 preferably run away from one another in the direction of the running or sliding movement of the running or sliding element according to the arrow 200 in the pressing process.
  • the strips 23 and 24 may extend in their longitudinal extent up to or into the inlet rounding 25, in particular up to, into or over the arc section 9.
  • the strips 23 and 24 each have a constant width in the direction of their longitudinal extent.
  • the strips 23 and 24 are formed substantially equal in width to each other in their width.
  • the strips 23 and 24 may be axially symmetrical with respect to the longitudinal central axis 29 of the pressing jaw 1.6.
  • FIG. 10 In contrast to the jaw 1.6 of FIG. 9 show the FIG. 10 a pressing jaw 1.7 with a laser-treated selected area 14.7 on the contact surface 6, which is formed by two strips 23 'and 24' extending away from each other, wherein the strips 23 'and 24' each have a varying width in the direction of their longitudinal extent.
  • the strips 23 'and 24' preferably run away from one another in the direction of the running or sliding movement of the running or sliding element according to the arrow 200, wherein the strips 23 'and 24' at the same time increase in width in this direction, preferably uniformly and / or become larger in width equally with each other.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Heat Treatment Of Articles (AREA)
EP14002359.9A 2013-07-30 2014-07-09 Outil de presse, ainsi que procédé de fabrication d'un outil de presse Active EP2832868B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14002359T PL2832868T3 (pl) 2013-07-30 2014-07-09 Narzędzie do prasowania i sposób wytwarzania narzędzia do prasowania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013108162 2013-07-30

Publications (3)

Publication Number Publication Date
EP2832868A2 true EP2832868A2 (fr) 2015-02-04
EP2832868A3 EP2832868A3 (fr) 2015-04-01
EP2832868B1 EP2832868B1 (fr) 2021-06-16

Family

ID=51220372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14002359.9A Active EP2832868B1 (fr) 2013-07-30 2014-07-09 Outil de presse, ainsi que procédé de fabrication d'un outil de presse

Country Status (6)

Country Link
US (1) US9597722B2 (fr)
EP (1) EP2832868B1 (fr)
AU (1) AU2014208208B2 (fr)
DE (1) DE102014109535A1 (fr)
ES (1) ES2881262T3 (fr)
PL (1) PL2832868T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3162457A1 (fr) * 2015-11-02 2017-05-03 Fibro GmbH Presse à main
WO2021028504A1 (fr) * 2019-08-14 2021-02-18 Hueck Rheinische Gmbh Procédé et dispositif de fabrication d'un outil de presse
WO2023126033A1 (fr) 2021-12-31 2023-07-06 Rothenberger Ag Procédé de fabrication d'un outil de moulage par compression radiale et outil de moulage par compression radiale

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1364582A (en) * 1919-06-20 1921-01-04 Clarence E Reed Pipe-wrench
US4533400A (en) * 1983-06-29 1985-08-06 The Garrett Corporation Method and apparatus for laser hardening of steel
US4872429A (en) * 1987-12-14 1989-10-10 Ford Motor Company Method of making low friction finger follower rocker arms
US5671628A (en) * 1995-12-18 1997-09-30 General Electric Company Laser shock peened dies
US6002102A (en) * 1997-02-25 1999-12-14 Lsp Technologies, Inc. Hidden surface laser shock processing
ATE392277T1 (de) * 2001-09-11 2008-05-15 Emerson Electric Co Crimpanordnung
DE10149957B4 (de) * 2001-10-10 2014-06-26 Röhm Gmbh Verfahren zur Herstellung von Spannbacken
US7000448B2 (en) * 2003-02-12 2006-02-21 Emerson Electric Co. Compression tool jawarm member
WO2005049280A1 (fr) * 2003-11-20 2005-06-02 Von Arx Ag Unite de porte-cylindres
KR20070091327A (ko) * 2005-01-17 2007-09-10 다이호 고교 가부시키가이샤 슬라이딩 부재의 제조 방법
DE102006050799A1 (de) * 2006-10-27 2008-05-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Randschichthärten formkomplizierter Bauteile
US8522443B2 (en) * 2010-09-03 2013-09-03 Irwin Industrial Tool Company Cutting edge for a cutting tool
US8858733B2 (en) * 2011-09-21 2014-10-14 National Oilwell Varco, L.P. Laser hardened surface for wear and corrosion resistance
US20150082764A1 (en) * 2013-09-26 2015-03-26 Kondex Corporation Laser hardened knife guard

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3162457A1 (fr) * 2015-11-02 2017-05-03 Fibro GmbH Presse à main
WO2021028504A1 (fr) * 2019-08-14 2021-02-18 Hueck Rheinische Gmbh Procédé et dispositif de fabrication d'un outil de presse
WO2023126033A1 (fr) 2021-12-31 2023-07-06 Rothenberger Ag Procédé de fabrication d'un outil de moulage par compression radiale et outil de moulage par compression radiale

Also Published As

Publication number Publication date
EP2832868A3 (fr) 2015-04-01
US20150033524A1 (en) 2015-02-05
AU2014208208B2 (en) 2017-12-14
US9597722B2 (en) 2017-03-21
ES2881262T3 (es) 2021-11-29
EP2832868B1 (fr) 2021-06-16
DE102014109535A1 (de) 2015-02-05
PL2832868T3 (pl) 2021-12-13
AU2014208208A1 (en) 2015-02-19

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