EP2732056B9 - Lame et son procédé de fabrication - Google Patents

Lame et son procédé de fabrication Download PDF

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Publication number
EP2732056B9
EP2732056B9 EP13700864.5A EP13700864A EP2732056B9 EP 2732056 B9 EP2732056 B9 EP 2732056B9 EP 13700864 A EP13700864 A EP 13700864A EP 2732056 B9 EP2732056 B9 EP 2732056B9
Authority
EP
European Patent Office
Prior art keywords
knife
steel
carbon
hardened
hardness
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
EP13700864.5A
Other languages
German (de)
English (en)
Other versions
EP2732056B1 (fr
EP2732056A1 (fr
Inventor
Christoph Wolff
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.)
Heusch GmbH and Co KG
Original Assignee
Heusch GmbH and Co KG
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 Heusch GmbH and Co KG filed Critical Heusch GmbH and Co KG
Publication of EP2732056A1 publication Critical patent/EP2732056A1/fr
Publication of EP2732056B1 publication Critical patent/EP2732056B1/fr
Application granted granted Critical
Publication of EP2732056B9 publication Critical patent/EP2732056B9/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/43—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about another axis, e.g. mounted on the surface of a cone or curved body
    • B26D1/435—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about another axis, e.g. mounted on the surface of a cone or curved body for thin material, e.g. for sheets, strips or the like
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
    • C14B17/02—Blading cylinders or other working cylinders, e.g. slicking or scraping cylinders
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • 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
    • C21D9/18—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for knives, scythes, scissors, or like hand cutting tools
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C13/00—Shearing, clipping or cropping surfaces of textile fabrics; Pile cutting; Trimming seamed edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/002—Materials or surface treatments therefor, e.g. composite materials
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Knives (AREA)
  • Heat Treatment Of Articles (AREA)

Claims (13)

  1. Procédé de fabrication d'une lame (1) hélicoïdale, dans lequel la lame (1) est fabriquée en acier durcissable et présente une branche de coupe (10), qui présente tant une surface de pied (11) sur une extrémité inférieure qu'une surface de coupe (12) sur une extrémité supérieure, sachant que la surface de coupe (12) présente une arête de coupe (9) le long d'un bord avant (13), sachant que la lame (1) est enrichie au carbone, caractérisée en ce que l'acier durcissable de la lame (1) est un acier inoxydable et l'enrichissement de la lame (1) au carbone est effectué uniquement dans une couche de bord (2) de la lame (1) et que la lame (1) est ensuite durcie, ce qui produit une dureté de la couche de bord (2) d'au moins 630 HV et sachant que la couche de bord (2) présente une épaisseur entre 0,001 mm et 0,30 mm.
  2. Procédé selon la revendication 1, caractérisée en ce que la couche de bord (2) est enrichie au carbone sur le pourtour de la lame (1) puis durcie.
  3. Procédé selon la revendication 1 ou 2, caractérisée en ce que la lame (1), après l'étape de procédé au cours de laquelle la lame (1) est durcie, est présente sous forme d'acier chromé inoxydable martensitique de type X20Cr13 avec la couche de bord (2) carburée.
  4. Lame hélicoïdale (1), dans laquelle la lame (1) est fabriquée en acier durcissable et présente une branche de coupe (10) qui présente tant une surface de pied (11) sur une extrémité inférieure qu'une surface de coupe (12) sur une extrémité supérieure, sachant que la surface de coupe (12) présente une arête de coupe (9) le long d'un bord avant (13), sachant que la lame (1) est enrichie au carbone, caractérisée en ce que l'acier durcissable de la lame (1) est un acier inoxydable et que seule une couche de bord (2) de la lame (1) est enrichie au carbone et que la lame (1) est durcie, sachant que la couche de bord (2) présente une épaisseur entre 0,001 mm et 0,30 mm et une dureté d'au moins 630 HV.
  5. Lame (1) selon la revendication 4, caractérisée en ce qu'une dureté de la couche de bord (2) fait au moins 630 HV, de préférence au moins 670 HV, plus encore de préférence au moins 720 HV.
  6. Lame (1) selon la revendication 4 ou 5, caractérisée en ce que la couche de bord (2) présente une épaisseur entre 0,05 mm et 0,20 mm.
  7. Lame (1) selon l'une des revendications 4 à 6, caractérisée en ce que l'acier durcissable dans lequel la lame (1) est fabriquée, présente dans la couche de bord (2) une teneur en carbone d'au moins 0,25 %, de préférence d'au moins 0,4 %, plus encore de préférence d'au moins 0,6 %.
  8. Lame (1) selon l'une des revendications 4 à 7, caractérisée en ce que l'acier durcissable dans lequel la lame (1) est fabriquée, présente dans une partie de noyau une teneur en carbone entre 0,05 % et 0,60 %, de préférence entre 0,15 % et 0,50 %.
  9. Lame (1) selon l'une des revendications 4 à 8, caractérisée en ce que l'acier durcissable dans lequel la lame (1) est fabriquée, présente une teneur en chrome d'au moins 12,5 %.
  10. Lame (1) selon l'une des revendications 4 à 9, caractérisée en ce que l'acier durcissable présente une teneur en nickel de maximum 1 %, de préférence de maximum 0,5 % et plus encore de préférence de maximum 0,25 %.
  11. Lame (1) selon l'une des revendications 4 à 10, caractérisée en ce que la couche de bord (2) enrichie au carbone et durcie entoure la lame (1).
  12. Lame (1) selon l'une des revendications 4 à 11, caractérisée en ce que l'acier durcissable est un acier inoxydable martensitique de type X20Cr13.
  13. Lame (1) selon l'une des revendications 4 à 12, caractérisée en ce qu'une partie de noyau de la lame (1) est durcie et présente une dureté d'au moins 300 HV, de préférence d'au moins 350 Hv, et plus encore de préférence d'au moins 400 HV.
EP13700864.5A 2012-01-12 2013-01-14 Lame et son procédé de fabrication Active EP2732056B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012200425A DE102012200425A1 (de) 2012-01-12 2012-01-12 Messer sowie Verfahren zu dessen Herstellung
PCT/EP2013/050572 WO2013104789A1 (fr) 2012-01-12 2013-01-14 Lame et son procédé de fabrication

Publications (3)

Publication Number Publication Date
EP2732056A1 EP2732056A1 (fr) 2014-05-21
EP2732056B1 EP2732056B1 (fr) 2014-12-24
EP2732056B9 true EP2732056B9 (fr) 2015-07-22

Family

ID=47598800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13700864.5A Active EP2732056B9 (fr) 2012-01-12 2013-01-14 Lame et son procédé de fabrication

Country Status (4)

Country Link
EP (1) EP2732056B9 (fr)
CN (1) CN104145031B (fr)
DE (1) DE102012200425A1 (fr)
WO (1) WO2013104789A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105400913A (zh) * 2015-12-01 2016-03-16 天津鑫泰尔毛皮机械设备制造有限公司 一种裘皮精剪装置
DE102017104706A1 (de) * 2017-03-07 2018-09-13 Heusch Gmbh & Co. Kg Verfahren zur Montage eines Messers an einem Zylinderkörper sowie Schneidvorrichtung zur Bearbeitung von Tierhäuten

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7403463U (de) 1974-02-01 1976-02-26 Fa. Severin Heusch, 5100 Aachen Piralschermesser
JPS5798674A (en) * 1980-12-11 1982-06-18 Nisshin Steel Co Ltd Production of stainless steel material for cutlery
JPS57149127A (en) * 1981-03-10 1982-09-14 Nisshin Steel Co Ltd Manufacture of high carbon stainless steel tool
SU1152966A1 (ru) * 1982-01-04 1985-04-30 Орловский научно-исследовательский институт легкого машиностроения Способ изготовлени спиральных ножей строгальных кожевенных машин
JPH01230722A (ja) * 1988-03-08 1989-09-14 Nisshin Steel Co Ltd 刃物用ステンレス鋼材の製造方法
DE4204000C2 (de) * 1992-02-12 1993-11-18 Esm Ennepetaler Schneid U Maeh Klinge aus Stahl für land- und forstwirtschaftliche Zwecke sowie Verfahren zu ihrer Herstellung
EP0678589B1 (fr) * 1994-04-18 1999-07-14 Daido Hoxan Inc. Procédé de cémentation de métal austénitique
DE4437911A1 (de) * 1994-10-22 1996-04-25 Zwilling J A Henckels Ag Messer und Verfahren zur Herstellung eines Messers
JP4186471B2 (ja) * 2002-02-06 2008-11-26 住友金属工業株式会社 マルテンサイト系ステンレス鋼およびその製造方法

Also Published As

Publication number Publication date
CN104145031B (zh) 2016-08-17
EP2732056B1 (fr) 2014-12-24
WO2013104789A1 (fr) 2013-07-18
CN104145031A (zh) 2014-11-12
EP2732056A1 (fr) 2014-05-21
DE102012200425A1 (de) 2013-07-18

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