EP1728878B1 - Verfahren zum Härten von Sägezahn- und Ganzstahlgarnituren - Google Patents

Verfahren zum Härten von Sägezahn- und Ganzstahlgarnituren Download PDF

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Publication number
EP1728878B1
EP1728878B1 EP06008191.6A EP06008191A EP1728878B1 EP 1728878 B1 EP1728878 B1 EP 1728878B1 EP 06008191 A EP06008191 A EP 06008191A EP 1728878 B1 EP1728878 B1 EP 1728878B1
Authority
EP
European Patent Office
Prior art keywords
wire
sawtooth
saw
teeth
oxygen
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.)
Not-in-force
Application number
EP06008191.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1728878A3 (de
EP1728878A2 (de
Inventor
Ralph Armin Graf
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.)
Graf und Cie AG
Original Assignee
Graf und Cie 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36999211&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1728878(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Graf und Cie AG filed Critical Graf und Cie AG
Publication of EP1728878A2 publication Critical patent/EP1728878A2/de
Publication of EP1728878A3 publication Critical patent/EP1728878A3/de
Application granted granted Critical
Publication of EP1728878B1 publication Critical patent/EP1728878B1/de
Not-in-force legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B21F45/10—Wire-working in the manufacture of other particular articles of cards for fabric-napping machines
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/24—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for saw blades
    • 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
    • C21D9/26—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for needles; for teeth for card-clothing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips

Definitions

  • the invention relates to a method for producing presege leopard- and Ganzstahlgarnituren for the processing of textile fibers according to the preamble of patent claim 1.
  • Sawtooth wires made of unalloyed and alloyed steels produced by methods of the type specified above are used, for example, for processing textile fibers in Cards used.
  • the sawtooth wires for example, helically on a circular cylinder jacket-shaped carrier, the tambour of the card, are raised.
  • the teeth of the sawtooth wires to be wound up on the spool are subjected to a hardening process. For example, they can be heated to their respective austenitizing temperature by means of an open flame and then quenched.
  • a more or less thick scale or oxide layer may form on the wire.
  • This layer is particularly problematic in view of the required accuracy of the mounted on the carrier garnish.
  • the sawtooth wire is wound on the rotating carrier by means of a winding device helically. To ensure the necessary Aufziehoniazision the wire must go through this narrow guides. It can happen during this process due to the Bending and friction of the wire in the guides Scrap particles from the wire surface and settle in the mounting device and especially in the guides. Such soiling in the guides can severely affect the quality of the finish and the speed with which it can be pulled up. Furthermore, it is often necessary because of the peeling scale particles to interrupt the Aufziehvorgang so that the mounting device and esp. Their guides can be cleaned. If these cleaning interruptions do not occur in time, the increasing retraction forces of the wire due to the contamination of the guides may increase so much that the wire breaks.
  • the method according to the preamble of claim 1 are in the JP 60 075 526 A , of the DE 2 330 303 A1 and the BE 526 226 A , such as DE 1 086 259 and US 5 096 506 specified.
  • the object of the invention is to provide a method for producing sawtooth and all-steel garnishes for the processing of textile fibers, with which the trimmings can be wound up quickly and reliably without affecting the quality of the garniture.
  • the heating of the sawtooth wires to the austenitizing temperature while ensuring a continuous operation desired in a continuous production is achieved in that at least the teeth of the sawtooth wire at least during the course of the curing process heating through a flame.
  • the flame for ensuring the invention provided for exclusion of oxygen in the region of the sawtooth wire in an inert inert gas atmosphere, such as a nitrogen atmosphere generated.
  • the desired exclusion of oxygen is thereby ensured by introducing a burner gas and an oxidizing agent, such as oxygen, into the heating chamber such that the oxidizing agent does not come into contact with the teeth to be hardened and in the course of the flame-producing combustion process to produce the flame is fully implemented.
  • the flame used for heating is thus advantageously produced without excess oxygen.
  • trimmings produced by the method according to the invention is the fact that when using scale-free produced trimmings contamination of the textile fibers are completely excluded by Zunderschtex.
  • the described disadvantage of contamination of textile fibers by scale residues can also be largely avoided by using brushed or with grinding wheels polished wires.
  • the wires produced in this known manner have the great disadvantage that the edges and tips are unintentionally rounded by the grinding or polishing and so clearly loses the clothing wire to the desired and necessary for the use of edge sharpness and therefore clearly in his Kardier sculpture worse than non-abrasive treated wires. This applies correspondingly to chemically treated clothing wires.
  • the device shown in the drawing comprises a generally designated 20 tubular chamber in which a sawtooth wire 10 is conveyed in the direction indicated by the arrow P direction.
  • the wire first passes through a preheating device 30, in which it is inductively preheated to a temperature between 500 and 800 ° C.
  • a protective gas is introduced into the tubular chamber 20 with the aid of a corresponding protective gas inlet device 40.
  • the wire 10 now conveyed in a protective gas atmosphere is heated to the austenitizing temperature in a burner device 50, excluding oxygen in the area of the sawtooth wire teeth , For this purpose, a flame is generated in the region of the teeth within the burner chamber 50.
  • the corresponding burner assembly has a mixing device, with the burner gas and oxidizing agent can be introduced into the burner chamber 50 so that the oxidizing agent is completely converted or burned by the combustion and does not come into contact with the teeth of the sawtooth.
  • the sawtooth wire 10 passes through a quenching device 60.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Articles (AREA)
EP06008191.6A 2005-06-03 2006-04-20 Verfahren zum Härten von Sägezahn- und Ganzstahlgarnituren Not-in-force EP1728878B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005025627A DE102005025627B3 (de) 2005-06-03 2005-06-03 Verfahren und Vorrichtung zum Herstellen von Sägezahn- und Ganzstahlgarnituren sowie Sägezahndraht

Publications (3)

Publication Number Publication Date
EP1728878A2 EP1728878A2 (de) 2006-12-06
EP1728878A3 EP1728878A3 (de) 2008-07-09
EP1728878B1 true EP1728878B1 (de) 2013-06-05

Family

ID=36999211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06008191.6A Not-in-force EP1728878B1 (de) 2005-06-03 2006-04-20 Verfahren zum Härten von Sägezahn- und Ganzstahlgarnituren

Country Status (11)

Country Link
US (1) US7743470B2 (es)
EP (1) EP1728878B1 (es)
JP (1) JP5378640B2 (es)
KR (1) KR20060126394A (es)
CN (2) CN1873033A (es)
AR (1) AR053473A1 (es)
BR (1) BRPI0602102A (es)
CA (1) CA2548632A1 (es)
DE (1) DE102005025627B3 (es)
ES (1) ES2426493T3 (es)
TW (1) TW200712273A (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296384A (zh) * 2011-07-22 2011-12-28 青岛新鲁锋王针布有限公司 一种金属针布生产工艺
DE102014106574B4 (de) * 2014-05-09 2018-04-19 Groz-Beckert Kg Ganzstahlgarnitur
EP2942425B1 (de) * 2014-05-09 2019-11-20 Groz-Beckert KG Ganzstahlgarnitur
DE102014108822A1 (de) 2014-06-24 2016-01-07 TRüTZSCHLER GMBH & CO. KG Verfahren zum Härten eines Garniturdrahtes für die Bearbeitung von Textilfasern und Anlage hierzu
CN104805265B (zh) * 2015-04-20 2017-01-04 烟台金光工具有限公司 锯条端头退火自动线
CN105014318B (zh) * 2015-07-08 2016-04-13 安徽华天机械股份有限公司 一种异形长齿刀及其制造方法
CN107475822B (zh) * 2017-11-08 2023-06-06 金轮针布(江苏)有限公司 一种错位针布制造装置
CN114231727B (zh) * 2021-12-14 2022-10-11 浙江正宏特科技有限公司 一种锯齿所用钢材的热处理设备

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096506A (en) * 1988-11-18 1992-03-17 Hollingsworth John D Method for making card clothing

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE526226A (es) *
DE1086259B (de) * 1956-11-24 1960-08-04 Do All Company Verfahren zum Haerten und zur Herstellung von Werkzeugen
DE2330303A1 (de) * 1973-06-14 1975-01-02 Stromeyer Albrecht Dr Verfahren zum gluehen und haerten von draehten oder dergl. werkstuecken, sowie vorrichtung zur durchfuehrung des verfahrens
JPS6075526A (ja) * 1983-09-30 1985-04-27 Chugai Ro Kogyo Kaisha Ltd 線材の加熱方法
JPH0615726B2 (ja) * 1985-01-07 1994-03-02 金井 宏之 紡機用メタリツクワイヤおよびその製造方法
DE3539464A1 (de) * 1985-11-07 1987-05-14 Hollingsworth Gmbh Verfahren zum behandeln der kanten eines saegezahndrahtes
CH678861A5 (es) * 1988-08-24 1991-11-15 Graf & Co Ag
JPH0713328B2 (ja) * 1988-08-30 1995-02-15 金井 宏之 紡機用メタリックワイヤおよびその製造方法
JP2691376B2 (ja) * 1990-06-19 1997-12-17 金井 宏之 紡機用メタリックワイヤ
DE4312122A1 (de) * 1993-04-14 1994-10-20 Graf & Co Ag Verfahren zur Herstellung von Profildraht
JPH07118935A (ja) * 1993-10-29 1995-05-09 Kanai Hiroyuki 紡機用メタリックワイヤ
DE4436378A1 (de) * 1994-10-12 1996-04-18 Staedtler & Uhl Sägezahngarnitur
DE19940845C1 (de) * 1999-08-27 2000-12-21 Graf & Co Ag Verfahren und Vorrichtung zum Herstellen von Feindraht
JP2001226835A (ja) * 2000-02-09 2001-08-21 Kanai Hiroaki 紡機用メタリックワイヤ及びその製造方法
DE10114108B4 (de) * 2001-03-22 2005-05-19 Hollingsworth Gmbh Sägezahndraht für eine Walzengarnitur

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096506A (en) * 1988-11-18 1992-03-17 Hollingsworth John D Method for making card clothing

Also Published As

Publication number Publication date
TW200712273A (en) 2007-04-01
EP1728878A3 (de) 2008-07-09
ES2426493T3 (es) 2013-10-23
CN103173603A (zh) 2013-06-26
DE102005025627B3 (de) 2006-10-05
CA2548632A1 (en) 2006-12-03
CN1873033A (zh) 2006-12-06
KR20060126394A (ko) 2006-12-07
EP1728878A2 (de) 2006-12-06
US7743470B2 (en) 2010-06-29
JP5378640B2 (ja) 2013-12-25
JP2006336108A (ja) 2006-12-14
AR053473A1 (es) 2007-05-09
BRPI0602102A (pt) 2007-02-13
US20070028423A1 (en) 2007-02-08

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