EP1584741A1 - Procédé de fabrication de garnitures destinées au traitement mécanique, en particulier le défibrage de pâte à papier aqueuse - Google Patents

Procédé de fabrication de garnitures destinées au traitement mécanique, en particulier le défibrage de pâte à papier aqueuse Download PDF

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Publication number
EP1584741A1
EP1584741A1 EP05005207A EP05005207A EP1584741A1 EP 1584741 A1 EP1584741 A1 EP 1584741A1 EP 05005207 A EP05005207 A EP 05005207A EP 05005207 A EP05005207 A EP 05005207A EP 1584741 A1 EP1584741 A1 EP 1584741A1
Authority
EP
European Patent Office
Prior art keywords
mask
processing elements
welding
elements
electron beam
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.)
Withdrawn
Application number
EP05005207A
Other languages
German (de)
English (en)
Inventor
Klaus Dr. Doelle
Werner Lange
Peter Schweiss
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent 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 Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1584741A1 publication Critical patent/EP1584741A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • D21D1/306—Discs

Definitions

  • the invention relates to a method for the production of trimmings according to the preamble of claim 1.
  • Trimmings produced in this way are primarily used for grinding paper fibers. They will be in Grinding machines (refiners) used. Such machines have at least one rotor and at least one stator having either disc-shaped or conical surfaces on which the Trimmings are attached so that they can form Mahlspalte between them. Lots Trimmings have webs and grooves on the work surfaces, which is why "MesserGarnituren" speaks. It is known that in addition to the shape of the webs, grooves and teeth and the Material of which it has an effect on the processing of the pulp has.
  • the paper fibers are in one pumpable suspension, ie with a solids content of about 2-8% before or as a tough substance with an overlying solids content.
  • the trimmings are subject to wear and must therefore at certain intervals be replaced.
  • the wear can also cause before that, that Machining effect changes.
  • Shape, in particular edge shape, and surface of the trimmings have namely an outstanding influence on the processing effect.
  • the main body of a machining tool adjusts the connection of the machining elements the remaining components, e.g. those of a grinding machine, forth. Because of the high forces in one occur such a grinding machine, high strength requirements are on the body posed. It must also be possible to fix it securely in the grinding machine, e.g. highly stressed screws are required. Because of these requirements is a particularly solid and tough material required.
  • Mahlgarnituren are shown, which are made of a variety of items, that is alternately arranged spacers and male headers together and then e.g. soldered or high temperature diffusion welded.
  • the invention is based on the object, the process for the production of trimmings so design that the production is much easier and yet particularly suitable hard Materials for highly stressed processing elements can be used.
  • Laser welding equipment work known to be very precise and allow extensive automation of the Welding process. Because in most cases because of the parallel standing knife a plurality of welds are pulled parallel to the workpiece, this operation is relative inexpensive, if only because multiple parallel seams can be generated simultaneously.
  • Fig. 1 an already welded garnish is shown in perspective and partially cut at holding a mask 3 to the distance serves.
  • the thickness c of the mask 3 is usually between two and ten millimeters in size, if the base body 1 is formed as a solid plate.
  • processing elements 5 with the mask 3 and 3 mask with the main body. 1 connected by laser welding or electron beam welding.
  • the welds 9 between the processing element 5 and the mask 3 extend in particular at the contact surfaces of this two components.
  • a gap 8 indicated before the welding between the processing element 5 and the mask 3 may remain. This Gap 8 is not drawn to scale. Decisive and beneficial is that at this point no very tight fit must be chosen, which significantly increases the manufacturing cost would.
  • the mask 3 is here connected by laser welding to the base body 1, which is characterized by Welds 9 'is indicated.
  • FIG. 2 shows a clothing produced according to the invention, in which again a mask 3 is used, which is provided with a larger number of through holes 4.
  • the Machining elements 5 are strip-shaped and may be e.g. be made of rolled profiles. They have a constant height over the base area 6.
  • the openings 4 of the mask 3 and the shape the base 6 are coordinated so that the processing element easily in the Opening 4 can be used, which has already been done here in the left-most opening 4. Then the welding takes place.
  • the mask 3 can with the main body 1 in the same operation be welded by laser or conventional. It form the welds 11.
  • Fig. 3 the structure of a specific embodiment of an inventively prepared Set shown in section. It can be seen that the main body 1 'in the here shown Example of three stacked laminations 12, 12 ', 12 ", each of which is the same Thickness (e.g., 6mm).
  • the above drawn sheet metal plate 12 is provided with a lower plate 13th and these in turn connected to the mask 3, which - as already described - with Machining elements 5 has been provided.
  • the main body 1 ' is not solid, but as a support frame constructed with load-bearing areas in which also the Screw holes 10 are located.
  • the strength requirement to this Connections are less than those between processing elements 5 and 3.
  • the layer-wise structure of the main body 1 ' has the particular advantage that its Making cheaper and cheaper.
  • the outer contour, the cavities 14 and the Screw holes 10 can be produced favorably by laser cutting.
  • the sets shown may e.g. as Mahlsegmente - see Fig. 4 - for a disc refiner be understood, which is known a variety of strip-shaped processing elements 5 and intervening grooves 2 included.
  • Such trimmings also become knife trimmings called. They are provided with screw holes 10 and are on the rotor or the stator a Scheibenrefiners unscrewed. Four such circular ring segments can become a complete Ring to be assembled.

Landscapes

  • Paper (AREA)
  • Laser Beam Processing (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP05005207A 2004-04-05 2005-03-10 Procédé de fabrication de garnitures destinées au traitement mécanique, en particulier le défibrage de pâte à papier aqueuse Withdrawn EP1584741A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410016661 DE102004016661A1 (de) 2004-04-05 2004-04-05 Verfahren zur Herstellung von Garnituren für das mechanische Bearbeiten, insb. Mahlen von wasserhaltigenm Papierstoff
DE102004016661 2004-04-05

Publications (1)

Publication Number Publication Date
EP1584741A1 true EP1584741A1 (fr) 2005-10-12

Family

ID=34895477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05005207A Withdrawn EP1584741A1 (fr) 2004-04-05 2005-03-10 Procédé de fabrication de garnitures destinées au traitement mécanique, en particulier le défibrage de pâte à papier aqueuse

Country Status (3)

Country Link
EP (1) EP1584741A1 (fr)
BR (1) BRPI0501330A (fr)
DE (1) DE102004016661A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015197192A1 (fr) * 2014-06-27 2015-12-30 Andritz Fiedler Gmbh Garniture pour le traitement mécanique, en particulier le broyage, d'une matière fibreuse en suspension
CN113412351A (zh) * 2019-02-19 2021-09-17 福伊特专利有限公司 研磨磨片区段

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015207536A1 (de) 2015-04-24 2016-10-27 Voith Patent Gmbh Behandlungsgarnitur
DE102020124895A1 (de) 2020-09-24 2022-03-24 Voith Patent Gmbh Mahlgarnitursegment
EP4217536A1 (fr) 2020-09-24 2023-08-02 Voith Patent GmbH Segment de garniture de raffinage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681270A (en) * 1985-11-08 1987-07-21 Sullivan Corporation Manufactured refining element
DE19603548A1 (de) * 1996-02-01 1997-05-07 Voith Sulzer Stoffaufbereitung Verfahren zur Herstellung von Garnituren für das mechanische Bearbeiten von suspendiertem Faserstoffmaterial sowie nach dem Verfahren hergestellte Garnitur
US5836531A (en) * 1993-07-13 1998-11-17 Technogenia S.A. Paper pulp defibering or refining plate and method of manufacturing it
US5954283A (en) * 1996-04-15 1999-09-21 Norwalk Industrial Components, Llc Papermaking refiner plates

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871119A (en) * 1987-03-06 1989-10-03 Kabushiki Kaisha Kobe Seiko Sho Impact crushing machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681270A (en) * 1985-11-08 1987-07-21 Sullivan Corporation Manufactured refining element
US5836531A (en) * 1993-07-13 1998-11-17 Technogenia S.A. Paper pulp defibering or refining plate and method of manufacturing it
DE19603548A1 (de) * 1996-02-01 1997-05-07 Voith Sulzer Stoffaufbereitung Verfahren zur Herstellung von Garnituren für das mechanische Bearbeiten von suspendiertem Faserstoffmaterial sowie nach dem Verfahren hergestellte Garnitur
US5954283A (en) * 1996-04-15 1999-09-21 Norwalk Industrial Components, Llc Papermaking refiner plates

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015197192A1 (fr) * 2014-06-27 2015-12-30 Andritz Fiedler Gmbh Garniture pour le traitement mécanique, en particulier le broyage, d'une matière fibreuse en suspension
CN106536821A (zh) * 2014-06-27 2017-03-22 安德里兹·菲德勒有限责任公司 用于机械处理、尤其是精制悬置的纤维材料的套件
US9976253B2 (en) 2014-06-27 2018-05-22 Andritz Fiedler Gmbh Set for the mechanical processing, in particular grinding of suspended fibrous material
US11453977B2 (en) 2014-06-27 2022-09-27 Andritz Fiedler Gmbh Set for the mechanical processing, in particular grinding of suspended fibrous material
CN113412351A (zh) * 2019-02-19 2021-09-17 福伊特专利有限公司 研磨磨片区段
CN113412351B (zh) * 2019-02-19 2023-01-20 福伊特专利有限公司 研磨磨片区段

Also Published As

Publication number Publication date
DE102004016661A1 (de) 2005-10-20
BRPI0501330A (pt) 2005-11-08

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