WO2011107214A1 - Outil d'usinage à chaud et procédé de fabrication - Google Patents

Outil d'usinage à chaud et procédé de fabrication Download PDF

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Publication number
WO2011107214A1
WO2011107214A1 PCT/EP2011/000643 EP2011000643W WO2011107214A1 WO 2011107214 A1 WO2011107214 A1 WO 2011107214A1 EP 2011000643 W EP2011000643 W EP 2011000643W WO 2011107214 A1 WO2011107214 A1 WO 2011107214A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
coating
base body
hot
tool base
Prior art date
Application number
PCT/EP2011/000643
Other languages
German (de)
English (en)
Inventor
Kazim Serin
Hans Joachim Pehle
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
Priority to CA2793074A priority Critical patent/CA2793074C/fr
Priority to CN201180012062.9A priority patent/CN102781600B/zh
Priority to ES11705158.1T priority patent/ES2481404T3/es
Priority to PL11705158T priority patent/PL2542361T3/pl
Application filed by Sms Meer Gmbh filed Critical Sms Meer Gmbh
Priority to MX2012009993A priority patent/MX2012009993A/es
Priority to JP2012555318A priority patent/JP5591352B2/ja
Priority to AU2011223236A priority patent/AU2011223236A1/en
Priority to US13/576,875 priority patent/US20130327107A1/en
Priority to BR112012021887-5A priority patent/BR112012021887B1/pt
Priority to RU2012141882/02A priority patent/RU2508173C1/ru
Priority to UAA201211361A priority patent/UA104085C2/ru
Priority to KR1020127022572A priority patent/KR101469516B1/ko
Priority to EP11705158.1A priority patent/EP2542361B1/fr
Publication of WO2011107214A1 publication Critical patent/WO2011107214A1/fr
Priority to ZA2012/05816A priority patent/ZA201205816B/en

Links

Classifications

    • 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
    • B21B17/02—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, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering

Definitions

  • the invention relates to a hot tool, in particular a piercer or a rolling rod for the production of seamless pipes or a forging mandrel for hot forging of tubular workpieces made of metal, which has a tool base body, wherein the tool base body is provided at least in a working area with a coating. Furthermore, the invention relates to a method for producing such a hot tool.
  • a piercer for punching round bars of the generic type is known from DE 10 2008 056 988 A1.
  • the working area of the perforated mandrel is here provided with a layer which reduces the heat dissipation during the perforation in the mandrel body and adheres firmly to the mandrel body. For the function of the tool, it is essential that this layer has a firm grip.
  • thermo-chemical coating process roughen the work area by blasting, for example, to improve the adhesion of the subsequently applied coating.
  • the invention is therefore based on the object to provide a hot tool of the type mentioned above and a method for its production, with which it is ensured that an improved bond between the body of the tool and the coating is present. Accordingly, the hot tool should have a longer service life and the production of seamless pipes in particular thus become more economical.
  • the solution to this problem by the invention is characterized in that the tool base body has a surface profiling and that the coating is applied to the surface profiling.
  • the surface profiling preferably forms at least one undercut in an axial direction of the tool, the surface profiling in particular having a number of elevations and depressions on the surface of the tool main body.
  • the tool body is preferably made of steel.
  • the coating may be a protective against thermal and mechanical stress layer. It can be applied by a thermo-chemical coating process.
  • the method for producing such a hot tool comprises the steps: a) producing a tool base body, wherein the production of the tool base body comprises the generation of a surface profiling, wherein the generation of the surface profiling preferably by mechanical processing, in particular by turning takes place; b) applying a coating to the tool base body.
  • the elevations are in particular formed as web-shaped, preferably rectangular projections in the radial section, which extend over a predetermined length in the direction of a longitudinal axis of the tool and which rise above the depressions over a predetermined height.
  • the recesses are preferably filled in the application of the coating according to the above step b) at least up to the height of the elevations with the coating, wherein preferably the surface of the coating even exceeds the height of the elevations.
  • thermo-chemical conversion in particular comprises the production of an iron oxide, particularly preferably of scale.
  • the application of the coating according to the above step b) can also be done for example by flame spraying or plasma spraying.
  • an improvement in the bond between the tool base body and the coating is achieved in that the surface of the metallic see substrate processed smoothly and then with a defined structure - consisting of webs and these spaced-apart gaps, preferably produced by mechanical processing, in particular by turning - is formed.
  • this carrier material can be converted into a protective layer by a targeted thermo-chemical coating process along the thus structured surface contour of the carrier material.
  • an additional outer protective layer is applied by the thermo-chemical process, which simultaneously fills or closes the gaps or depressions remaining between the webs.
  • the structuring of the transition between the carrier material (base body) and the applied layer which has been optimized in advance, depending on the condition of use of the tool, significantly improves the adhesion of the achieved layer structure and prevents complete peeling of the layer.
  • the proposed procedure or the explained embodiment is generally suitable for tools and components that are protected by a coating should be able to better withstand thermal and mechanical stress.
  • FIG. 1 shows a hot tool in the form of a piercer in a side view
  • FIG. 2 shows the detail "Z" according to FIG. 1 for the tool base, which has not yet been coated
  • FIG. 3 shows the detail "Z" according to FIG. 1 for the now coated tool main body
  • FIG. 4 shows the detail "Z" according to FIG. 1 for an alternative embodiment of the coated tool main body
  • Fig. 5 is a first microsection of the detail "Z" of FIG. 1 by the
  • Fig. 6 is a second microsection of the detail "Z" of FIG. 1 by the
  • a hot tool 1 is shown in the form of a piercing pin for producing a seamless tube.
  • the tool 1 has a tool base 2, which has a work area 3, which extends over a certain length in the direction of an axis a.
  • the tool 1 is provided with a coating 4, which protects the tool 1 against thermal or mechanical stress.
  • the exact structure of the tool as a detail in the area "Z" according to Fig. 1, ie as a detail of the tool body 2 is shown in Figures 2 and 3.
  • the radially outer surface of the tool body 2 has a Surface profiling 5, which consists of a number of radially projecting elevations 6, which are arranged between thus resulting depressions 7.
  • the elevations 6 extend in the axial direction a by an amount B, preferably in the range of about 250 ⁇ to
  • the height D of the elevations 6 with respect to the depressions 7 is in a range of approximately 500 ⁇ m to 5,000 ⁇ m
  • the distance A between two elevations 7 is preferably in a range of approximately 200 ⁇ m to 2,000 ⁇ m.
  • the profiling 5 is applied to the surface of the base body 2, that this is first processed smoothly and then incorporated by machining the ridge-shaped in the radial section or rectangular recesses 7, in particular screwed.
  • the surface of the tool body 2 is provided with a coating 4, as shown in Fig. 3.
  • the total layer thickness C of the coating 4 fills out the depressions 7 and exceeds the height of the elevations 6.
  • Fig. 4 a preferred embodiment or solution can be seen.
  • the pre-processing of the tool body 2 is carried out analogously to the solution according to FIG. 2 and FIG. 3, ie initially the surface profiling 5 was smoothed machined tool body 2 introduced.
  • the profile of the profiling corresponds to that of FIG. 2.
  • a portion of the material of the base body 2 was first converted into a protective layer by using a thermo-chemical treatment process.
  • the converted material 8 is equidistant from the profiling 5 and is indicated by dashed lines.
  • the width of the elevations (webs) 6 and the depth of the gaps which are in turn rectangular in cross section are correspondingly reduced, as shown in FIG. 4.
  • FIGS. 5 and 6 show examples of specific coatings.
  • the inner, more porous layer 8 and the second outer layer 4 applied thereon by conversion of the webs (elevations) 6 and filling in of gaps (depressions) 7 can be clearly seen.
  • the inner layer 8 (converted material) consists in the present case of iron oxides and grows from the surface of the main body or the profiling. The Lü- Between the webs (elevations) are filled by the outer coating 4 (on).
  • the carrier material (tool base body) was coated with iron oxides or material of the base body was converted into iron oxide.
  • the carrier material is present steel.
  • the maximum thickness of the coating on the base body is in this example about 1,000 ⁇ .
  • the structured transition between the carrier material and the coating can be optimized depending on the application, so that complete peeling of the layer during use can be prevented. As a result, in particular the service life of the tool 1 can be substantially increased.
  • the surfaces of the coated tools, before or during use by mechanical processing eg. B. grinding and polishing (before use) or rolling (during use), smoothed.
  • the smoothing of the surface reduces the friction between the tool and the workpiece (rolling stock).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

L'invention concerne un outil d'usinage à chaud (1), notamment un poinçon ou une barre de laminage pour la production de tubes sans soudure ou bien un mandrin de forge pour le forgeage à chaud de pièces tubulaires en métal, ledit outil présentant un corps de base (2) qui est pourvu, au moins dans une zone de travail (3), d'un revêtement (4). Pour obtenir une meilleure solidité du revêtement sur le corps de base de l'outil, le corps de base (2) présente un profilage superficiel (5) et le revêtement (4) est appliqué sur le profilage superficiel (5). En outre, l'invention concerne un procédé de production d'un tel outil d'usinage à chaud.
PCT/EP2011/000643 2010-03-02 2011-02-11 Outil d'usinage à chaud et procédé de fabrication WO2011107214A1 (fr)

Priority Applications (14)

Application Number Priority Date Filing Date Title
JP2012555318A JP5591352B2 (ja) 2010-03-02 2011-02-11 熱間工具を製造する方法
ES11705158.1T ES2481404T3 (es) 2010-03-02 2011-02-11 Método para la fabricación de una herramienta para trabajos en caliente con un recubrimiento
PL11705158T PL2542361T3 (pl) 2010-03-02 2011-02-11 Sposób wytwarzania gorącego narzędzia z naniesioną powłoką
US13/576,875 US20130327107A1 (en) 2010-03-02 2011-02-11 Hot work tool and method for producing same
MX2012009993A MX2012009993A (es) 2010-03-02 2011-02-11 Herramienta caliente con un recubrimiento y procedimiento para su produccion.
CN201180012062.9A CN102781600B (zh) 2010-03-02 2011-02-11 带有覆层的热工具和用于其制造的方法
AU2011223236A AU2011223236A1 (en) 2010-03-02 2011-02-11 Hot work tool and method for producing same
CA2793074A CA2793074C (fr) 2010-03-02 2011-02-11 Outil d'usinage a chaud et procede de fabrication
BR112012021887-5A BR112012021887B1 (pt) 2010-03-02 2011-02-11 Processo para a produção de uma ferramenta para trabalho a quente
RU2012141882/02A RU2508173C1 (ru) 2010-03-02 2011-02-11 Способ изготовления инструмента для горячей деформации
UAA201211361A UA104085C2 (ru) 2010-03-02 2011-02-11 Способ изготовления инструмента для горячей деформации
KR1020127022572A KR101469516B1 (ko) 2010-03-02 2011-02-11 열간 가공 공구의 제조 방법
EP11705158.1A EP2542361B1 (fr) 2010-03-02 2011-02-11 Procédé de fabrication d'un outil d'usinage à chaud revetu
ZA2012/05816A ZA201205816B (en) 2010-03-02 2012-08-02 Hot work tool and method for producing same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010009954 2010-03-02
DE102010009954.6 2010-03-02
DE102011010646.4 2011-02-09
DE102011010646A DE102011010646A1 (de) 2010-03-02 2011-02-09 Warmwerkzeug und Verfahren zu seiner Herstellung

Publications (1)

Publication Number Publication Date
WO2011107214A1 true WO2011107214A1 (fr) 2011-09-09

Family

ID=44237620

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/000643 WO2011107214A1 (fr) 2010-03-02 2011-02-11 Outil d'usinage à chaud et procédé de fabrication

Country Status (17)

Country Link
US (1) US20130327107A1 (fr)
EP (1) EP2542361B1 (fr)
JP (1) JP5591352B2 (fr)
KR (1) KR101469516B1 (fr)
CN (1) CN102781600B (fr)
AR (1) AR080439A1 (fr)
AU (1) AU2011223236A1 (fr)
BR (1) BR112012021887B1 (fr)
CA (1) CA2793074C (fr)
DE (1) DE102011010646A1 (fr)
ES (1) ES2481404T3 (fr)
MX (1) MX2012009993A (fr)
PL (1) PL2542361T3 (fr)
RU (1) RU2508173C1 (fr)
UA (1) UA104085C2 (fr)
WO (1) WO2011107214A1 (fr)
ZA (1) ZA201205816B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3017888A1 (fr) 2014-11-07 2016-05-11 Hua Guo Outil de déformation à chaud
DE102015122975B3 (de) * 2015-12-30 2017-03-23 Wolfgang Dörr Verfahren zur Herstellung eines Warmumformwerkzeuges

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011109071A1 (de) * 2011-07-30 2013-01-31 Sms Meer Gmbh Rohrschmiedeverfahren mit urgeformten Hohlblock
DE102014000461B4 (de) * 2014-01-14 2017-01-05 Hua Guo Innenwerkzeug für die Herstellung nahtloser Stahlrohre
BR112017015320B1 (pt) * 2015-02-09 2022-12-06 Nippon Steel Corporation Método de produção de plugue
RU2717422C1 (ru) * 2019-04-08 2020-03-23 Публичное акционерное общество "Трубная металлургическая компания" (ПАО "ТМК") Охлаждаемая оправка прошивного стана

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1963320A (en) * 1932-02-23 1934-06-19 Nat Tube Co Piercing point
JPS5417363A (en) * 1977-07-09 1979-02-08 Nippon Steel Corp Core meral for seamless steel pipe piercing machine or rolling mill
JPS63192504A (ja) * 1987-02-05 1988-08-09 Nkk Corp 継目無鋼管製造用プラグ
US5031434A (en) * 1989-02-28 1991-07-16 Nkk Corporation Plug for manufacturing seamless steel pipe
EP1764167A1 (fr) * 2005-09-20 2007-03-21 SMS Meer GmbH Procédé et laminoir pour la fabrication d'un tube sans soudure
DE102008056988A1 (de) 2007-12-07 2009-06-10 Sms Meer Gmbh Verfahren und Walzwerk zum Herstellen von nahtlosen Stahlrohren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668377A5 (de) * 1985-12-06 1988-12-30 Walter Brauchli Zwingenartiges spannwerkzeug.
SU1675004A1 (ru) * 1988-11-14 1991-09-07 Всесоюзный научно-исследовательский и конструкторско-технологический институт трубной промышленности Оправка дл винтовой прокатки
DE10316910B3 (de) * 2003-04-12 2004-09-02 Sms Meer Gmbh Verfahren zur Herstellung von Rohren aus metallischem Werkstoff

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1963320A (en) * 1932-02-23 1934-06-19 Nat Tube Co Piercing point
JPS5417363A (en) * 1977-07-09 1979-02-08 Nippon Steel Corp Core meral for seamless steel pipe piercing machine or rolling mill
JPS63192504A (ja) * 1987-02-05 1988-08-09 Nkk Corp 継目無鋼管製造用プラグ
US5031434A (en) * 1989-02-28 1991-07-16 Nkk Corporation Plug for manufacturing seamless steel pipe
EP1764167A1 (fr) * 2005-09-20 2007-03-21 SMS Meer GmbH Procédé et laminoir pour la fabrication d'un tube sans soudure
DE102008056988A1 (de) 2007-12-07 2009-06-10 Sms Meer Gmbh Verfahren und Walzwerk zum Herstellen von nahtlosen Stahlrohren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 197911, Derwent World Patents Index; AN 1979-21047B, XP002649687 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3017888A1 (fr) 2014-11-07 2016-05-11 Hua Guo Outil de déformation à chaud
DE102015122975B3 (de) * 2015-12-30 2017-03-23 Wolfgang Dörr Verfahren zur Herstellung eines Warmumformwerkzeuges
WO2017114523A1 (fr) 2015-12-30 2017-07-06 Wolfgang Dörr Procédé de fabrication d'un outil de formage à chaud

Also Published As

Publication number Publication date
RU2508173C1 (ru) 2014-02-27
CA2793074A1 (fr) 2011-09-09
MX2012009993A (es) 2012-11-23
US20130327107A1 (en) 2013-12-12
ES2481404T3 (es) 2014-07-30
PL2542361T3 (pl) 2014-12-31
JP5591352B2 (ja) 2014-09-17
BR112012021887B1 (pt) 2021-06-22
BR112012021887A2 (pt) 2020-09-01
CN102781600A (zh) 2012-11-14
EP2542361A1 (fr) 2013-01-09
DE102011010646A1 (de) 2011-09-08
AU2011223236A1 (en) 2012-10-25
CA2793074C (fr) 2015-06-02
JP2013521128A (ja) 2013-06-10
KR20120112840A (ko) 2012-10-11
KR101469516B1 (ko) 2014-12-09
EP2542361B1 (fr) 2014-06-18
ZA201205816B (en) 2013-03-27
AR080439A1 (es) 2012-04-11
UA104085C2 (ru) 2013-12-25
CN102781600B (zh) 2016-04-06

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