EP1321233B1 - Outil de polissage - Google Patents

Outil de polissage Download PDF

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Publication number
EP1321233B1
EP1321233B1 EP02026052A EP02026052A EP1321233B1 EP 1321233 B1 EP1321233 B1 EP 1321233B1 EP 02026052 A EP02026052 A EP 02026052A EP 02026052 A EP02026052 A EP 02026052A EP 1321233 B1 EP1321233 B1 EP 1321233B1
Authority
EP
European Patent Office
Prior art keywords
pcd elements
grinding tool
tool
grinding
support element
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.)
Expired - Lifetime
Application number
EP02026052A
Other languages
German (de)
English (en)
Other versions
EP1321233A1 (fr
Inventor
Peter Schützeichel
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.)
HTC Sweden AB
Original Assignee
HTC Sweden AB
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 HTC Sweden AB filed Critical HTC Sweden AB
Priority to DE20220969U priority Critical patent/DE20220969U1/de
Publication of EP1321233A1 publication Critical patent/EP1321233A1/fr
Application granted granted Critical
Publication of EP1321233B1 publication Critical patent/EP1321233B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/186—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
    • B24D7/066—Grinding blocks; their mountings or supports

Definitions

  • the invention relates to a grinding tool specified in the preamble of claim 1.
  • the invention is further directed to a use of a grinding tool according to claim 10.
  • a grinding tool of the generic type according to claim 1 is known from US 3,181,281.
  • grinding and polishing machines For smoothing mineral surfaces, such as concrete or asphalt screeds or for grinding artificial or natural stone floors grinding and polishing machines are used, which are provided with one or more plate-shaped, driven by a powerful drive motor rotating grinding tool (s) with associated support plate.
  • the attached to the support plate with tool support elements processing tools wear in the rotation of the grinding tool or its support plate from the top layer of the surface to be treated and pave them in the desired manner or provide a smooth, possibly even polished surface.
  • the object of the invention is to provide a grinding tool of the type mentioned, with which in the processing of particular mineral surfaces such as stone floors or concrete screeds, but also in contrast comparatively "soft" surfaces such as cast asphalt, asphalt or resin-bonded terrazzo floors, filler , Adhesive residues, epoxy, etc. in addition to a high accuracy and a higher cutting performance and better tool life is achieved. In addition to be reduced as possible with the invention occurring during processing dust.
  • the consisting of polycrystalline diamond elements or these forming, coated with polycrystalline diamond hard metal plates have a comparison with the known processing tools significantly improved life, which may be higher by a factor of 10 than that of pure diamond tools or sintered grinding tools. It is believed that this longer service life is due to the combination of an extremely hard surface formed substantially by the polycrystalline diamond of the tools used in the present invention and their comparatively tough hard metal core or cobalt or other sintered metal matrix the PKD parts are embedded. This particularly advantageous pairing apparently also causes the material to be processed during the grinding process is not or at least not significantly rubbed, but it actually comes to a chipping, which is generally associated with little dust.
  • the PCD elements are arranged at a rake angle of 40 to 85 ° to the carrier plate in order to further promote the cutting process.
  • at least one diamond grinding element is arranged in addition to the PCD elements on the tool support element.
  • the PCD elements are preferably arranged at an angle of 10-55 ° relative to the circumferential direction of the support plate, in which case the angular position can be adapted to the type of material to be machined in order to optimize the cutting performance and possibly also the chip shape.
  • the tool support member may be arranged in its angular position relative to the support plate adjustable at this; it is as it is possible, the arranged on the tool support member, the PCD machining tool elements receiving pockets in their position relative to the support element designed to be adjustable.
  • the PCD elements can have a circular, semicircular or polygonal basic shape.
  • trapezoidal, square, rectangular, triangular or otherwise polygonal shapes are conceivable that can have different cutting behavior and thus also specifically for the soil to be processed or the like. can be selected to obtain the desired surface finish.
  • the PCD elements are preferably fixed in their receiving pockets by means of a braze joint, which ensures a very secure fit and effectively prevents the PCD plates can be solved in their receiving pockets and fall out of these. But it is also conceivable to lock the PCD elements with screw in their receiving pockets
  • grinding tool is part of a bottom grinding not shown in the drawing, which are used for grinding screeds, stone floors, asphalt surfaces or the like or for removing adhesive residues, putty or epoxy of such surfaces can.
  • the grinding tool 10 consists essentially of a support plate 11 which is provided with a central recess 12, with which it is firmly connected to the (not shown) drive shaft of the grinding machine. On the underside 13 of the support plate 11, this is provided with three or more uniformly distributed over the circumference arranged tool support members 14 which are fixed by means of fastening screws, but releasably connected to the support plate 11. These segments can also be applied directly (soldering, screwing, gluing or sintering) to the carrier plate.
  • the tool support elements 14 each have on their underside 15 a diamond grinding element 16 in the form of a sintered, approximately cuboid block and a receiving strip 17 with a plurality of receiving pockets 18, in which processing tools 19 positively received and connected by a braze joint firmly with the surrounding receiving bar.
  • the arrangement is such that the processing tools 19 (PCD) protrude with their actual cutting edges 20 from the receiving pockets.
  • the machining tools 19 in a preferred embodiment consist of hard metal elements 21, which are provided on their surface at least in the region of the cutting edges with a layer 22 of polycrystalline diamond (PCD), which is sintered to the hard metal surface in a suitable manner.
  • the processing tools may also consist of polycrystalline diamond throughout, i. PCD chips or other PCD geometric parts incorporated into a suitable matrix of cobalt or other sintered metal, as is well known in the art.
  • the hard metal or PCD elements 21 may have different geometric shapes, for example, as shown in Figure 2 recognizable round, trapezoidal and / or triangular designed. It has proved to be advantageous here also a hexagonal shape, which is composed of the geometric basic shapes of a rectangle or square and a trapezoid and which can also be referred to as coffin-shaped.
  • the receiving strip is arranged in mounted on the support plate tool support member in the illustrated in Figures 2 and 3 embodiment so that it is in the immediate vicinity of the outer edge of the support plate 11.
  • the arranged in her receiving pockets or grooves 18 are arranged at an angle ⁇ to the circumferential or tangential direction t of the support plate 11, which is approximately 15 ° in the first embodiment.
  • the receiving pockets are also inclined to the support plate inclined at an angle ⁇ , the may be between 40 and 85 ° and in the example shown has a size of about 80 °.
  • the receiving strip 17 has a nearly radial orientation, ie, it points approximately in the direction of the center of the support plate 11.
  • the receiving pockets 18 include in this embodiment with the tangential direction t of the support plate an angle ⁇ , the is considerably larger than in the first embodiment and is about 80 °.
  • the carbide elements according to the invention used as machining tools with PCD coating or the PCD full elements have compared to the tools previously used for such grinders a significantly higher cutting performance and a significantly longer life, depending on the type of soil to be processed easily by a factor of 10 can be above the life expectancy known tools previously used for this purpose. It is believed that the longer life and better cutting performance is due to the fact that in their core or matrix comparatively tough processing tools according to the invention the concrete to be processed asphalt, natural or artificial stone or adhesive residues or epoxy located thereon Their extremely hard PCD components do not grind like the tools used hitherto, but remove them by machining, which also has the pleasant effect that dust generation when working with the tools according to the invention is considerably lower than with the grinding tools used hitherto.
  • the machining tools may also have other geometric shapes square, rectangular or elliptical. Tools of the same geometric basic shape can, if appropriate, also be arranged in different size graduations, on one and the same tool carrying plate, specifically if desired in more than one receiving bar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Road Repair (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Golf Clubs (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (10)

  1. Outil de polissage pour l'usinage de surfaces minérales, comme des sols de pierre ou de pierre synthétique, des surfaces de béton ou d'asphalte, ainsi que pour éliminer le mastic, les restes d'adhésif ou d'époxyde, avec une plaque support pouvant être actionnée par rotation, et au moins un élément support d'outil disposé sur cette plaque, qui est équipé d'outils d'usinage, lesquels sont disposés et fixés dans des poches de prise (18) formées sur l'élément support d'outil (14), caractérisé en ce que les outils d'usinage (19) se composent d'éléments en diamant polycristallin (PKD) (21), en ce que les outils d'usinage (19) sont munis d'arêtes de coupage (20), en ce que les éléments de PKD (21) sont disposés avec une obliquité suivant un angle de fixation de 40 à 85° par rapport à la plaque support (11), et en ce qu'outre les éléments PKD (21), au moins un élément de polissage en diamant (16) est disposé sur l'élément support d'outil (14).
  2. Outil de polissage selon la revendication 1, caractérisé en ce que les éléments de PKD se composent également d'éléments de métal dur (21) munis d'une couche (22) de diamant polycristallin.
  3. Outil de polissage selon la revendication 1 ou 2, caractérisé en ce que les éléments de PKD (21) sont disposés sous un angle (γ) de 10 à 45° relativement à la direction circonférentielle (t) de la plaque support (11).
  4. Outil de polissage selon l'une des revendication 1 à 3, caractérisé en ce que l'élément support d'outil (14) est disposé, dans sa position angulaire relativement à la plaque support (11), de manière réglable par rapport à celle-ci.
  5. Outil de polissage selon l'une des revendications 1 à 4, caractérisé en ce que les poches de prise (18) disposées sur l'élément support d'outil (14) et prenant les éléments de PKD (21) sont réglables dans leur position relativement à l'élément support (11).
  6. Outil de polissage selon l'une des revendications 1 à 5, caractérisé en ce que les éléments de PKD (21) ont une forme de base circulaire, semi-circulaire ou polygonale.
  7. Outil de polissage selon l'une des revendications 1 à 6, caractérisé en ce que les éléments de PKD (21) sont fixés dans leurs poches de prise (18) au moyen d'une liaison par brasure ou par vissage.
  8. Outil de polissage selon l'une des revendications 1 à 7, caractérisé en ce que plusieurs éléments de PKD (21) de diverses formes géométriques de base sont disposés sur le même élément support d'outil (18).
  9. Outil de polissage selon l'une des revendications 1 à 8, caractérisé en ce que des éléments de PKD (21) de diverses formes géométriques de base sont disposés sur diférents éléments supports d'outils (14) prévus sur la plaque support (11).
  10. Utilisation d'un outil de polissage avec plaque support (13) pouvant être actionnée par rotation et au moins un élément support d'outil (14) disposé sur cette plaque, qui est équipé d'un élément de polissage en diamant (16) et d'outils d'usinage (19) qui sont pris et fixés dans des poches de prise (18) formées sur l'élément support d'outil, pour l'usinage de surfaces minérales comme les sols de pierre ou de pierre synthétique, les surfaces de béton ou d'asphalte, ainsi que pour éliminer le mastic, les restes de colle ou d'époxyde, caractérisée en ce que les outils d'usinage (19) se composent d'éléments de PKD (21) et sont munis d'arêtes de coupage, en ce que les éléments de PKD (21) sont disposés de façon oblique suivant un angle de fixation de 40 à 85° par rapport à la plaque support (11), et en ce qu'outre les éléments de PKD (21) au moins un élément de polissage en diamant (16) est disposé sur l'élément support d'outil (14).
EP02026052A 2001-12-12 2002-11-22 Outil de polissage Expired - Lifetime EP1321233B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20220969U DE20220969U1 (de) 2001-12-12 2002-11-22 Schleifwerkzeug

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20120137U 2001-12-12
DE20120137U DE20120137U1 (de) 2001-12-12 2001-12-12 Schleifwerkzeug

Publications (2)

Publication Number Publication Date
EP1321233A1 EP1321233A1 (fr) 2003-06-25
EP1321233B1 true EP1321233B1 (fr) 2007-04-25

Family

ID=7965077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02026052A Expired - Lifetime EP1321233B1 (fr) 2001-12-12 2002-11-22 Outil de polissage

Country Status (5)

Country Link
EP (1) EP1321233B1 (fr)
AT (1) ATE360504T1 (fr)
DE (2) DE20120137U1 (fr)
DK (1) DK1321233T3 (fr)
ES (1) ES2286191T3 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10235176A1 (de) * 2002-08-01 2004-03-04 Elargo Engineering Gmbh Schleifgeräte, insbesondere zum Schleifen von Natur- und Kunststein
SE525501C2 (sv) * 2003-06-11 2005-03-01 Htc Sweden Ab Slipplatta samt en slipelementbärande hållarplatta för lösbar montering på en slipplatta
DE10345916B4 (de) * 2003-10-01 2007-07-26 H. Riedel & Sohn Gmbh Drehteller einer Plattenschleifmaschine
SE528596C2 (sv) 2004-11-29 2006-12-27 Htc Sweden Ab Slipelementbärande hållarplatta monterad parallellt med slipplattans tangent
CH696805A5 (de) * 2006-04-10 2007-12-14 Toolpower Gmbh Werkzeug zur Bearbeitung von Flächen aus Natur- und Kunststein.
EP1955809A1 (fr) * 2007-02-12 2008-08-13 HTC Sweden AB Outil pour usiner des planchers en pierre ou en béton
EP1985876B1 (fr) 2007-04-23 2011-06-08 HTC Sweden AB Support de rectificateur dans un dispositif d'usinage
DE202008015415U1 (de) 2007-11-20 2009-02-19 Htc Sweden Ab Schleifwerkzeug
DE202009018168U1 (de) 2009-02-10 2011-04-21 Bigu Terrazzo Gmbh Schleif- und Fräswerkzeug mit einem Verbundwerkstoff aus polykristallinen Diamant für Natur- und Kunststein
WO2011160142A1 (fr) * 2010-06-23 2011-12-29 Puchegger U. Beisteiner Parkett Gross U. Einzelhandel Ges.M.B.H. Outil de ponçage permettant le rabotage et le ponçage simultanés de sols
DE202012105046U1 (de) 2012-12-21 2013-01-29 Atlas Diamant Werkzeuge Gmbh Schleifelement, Stützelement und Schleifvorrichtung
USD795666S1 (en) 2014-06-06 2017-08-29 Diamond Tool Supply, Inc. Polishing pad
US10414012B2 (en) 2017-01-13 2019-09-17 Husqvarna Construction Products North America, Inc. Grinding pad apparatus
AU2016326632B2 (en) 2015-09-24 2020-02-06 Husqvarna Ab Polishing or grinding pad assembly
USD854902S1 (en) 2016-09-23 2019-07-30 Husqvarna Construction Products North America, Inc. Polishing or grinding pad
AU201810919S (en) 2017-08-30 2018-04-13 Husqvarna Construction Products North America Polishing or grinding pad assembly with abrasive discs reinforcement and pad
USD927952S1 (en) 2017-08-30 2021-08-17 Husqvarna Ab Polishing or grinding pad assembly with abrasive disk, spacer, reinforcement and pad
USD958626S1 (en) 2017-08-30 2022-07-26 Husqvarna Ab Polishing or grinding pad assembly with abrasive disks, reinforcement and pad
US10710214B2 (en) 2018-01-11 2020-07-14 Husqvarna Ab Polishing or grinding pad with multilayer reinforcement
DE102022127660A1 (de) 2022-10-20 2024-04-25 Schwamborn Gerätebau Gmbh Werkzeugsegment, Schleifwerkzeug und Schleifmaschine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264674A2 (fr) * 1986-10-20 1988-04-27 Baker Hughes Incorporated Procédé pour lier des diamants polycristallins à basse pression
JPH07299754A (ja) * 1994-05-10 1995-11-14 Mitsubishi Materials Corp セグメント式研削砥石
JPH0857771A (ja) * 1994-08-23 1996-03-05 Mitsubishi Materials Corp セグメント式研削砥石
JPH0857770A (ja) * 1994-08-23 1996-03-05 Mitsubishi Materials Corp セグメント式研削砥石
JP2000301467A (ja) * 1999-04-22 2000-10-31 Mitsubishi Materials Corp 縦軸研削用砥石
JP2000326237A (ja) * 1999-05-17 2000-11-28 Mitsubishi Materials Corp 縦軸研削用砥石
JP2000326236A (ja) * 1999-05-17 2000-11-28 Mitsubishi Materials Corp 縦軸研削用砥石
US6315652B1 (en) * 2001-04-30 2001-11-13 General Electric Abrasive tool inserts and their production

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Publication number Priority date Publication date Assignee Title
US3181281A (en) * 1962-07-17 1965-05-04 Tysaman Machine Company Inc Grinding wheels
US4224768A (en) * 1978-12-05 1980-09-30 The United States Of America As Represented By The Secretary Of The Air Force Apparatus for, and method of, plunge grinding
US5197233A (en) * 1990-09-06 1993-03-30 Wiand Ronald C Cutting tool with polycrystalline diamond segment and abrasive grit
WO1998017438A1 (fr) * 1996-10-18 1998-04-30 Kanebo Limited Appareil de polissage de surface
US6196911B1 (en) * 1997-12-04 2001-03-06 3M Innovative Properties Company Tools with abrasive segments
US6187068B1 (en) * 1998-10-06 2001-02-13 Phoenix Crystal Corporation Composite polycrystalline diamond compact with discrete particle size areas

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264674A2 (fr) * 1986-10-20 1988-04-27 Baker Hughes Incorporated Procédé pour lier des diamants polycristallins à basse pression
JPH07299754A (ja) * 1994-05-10 1995-11-14 Mitsubishi Materials Corp セグメント式研削砥石
JPH0857771A (ja) * 1994-08-23 1996-03-05 Mitsubishi Materials Corp セグメント式研削砥石
JPH0857770A (ja) * 1994-08-23 1996-03-05 Mitsubishi Materials Corp セグメント式研削砥石
JP2000301467A (ja) * 1999-04-22 2000-10-31 Mitsubishi Materials Corp 縦軸研削用砥石
JP2000326237A (ja) * 1999-05-17 2000-11-28 Mitsubishi Materials Corp 縦軸研削用砥石
JP2000326236A (ja) * 1999-05-17 2000-11-28 Mitsubishi Materials Corp 縦軸研削用砥石
US6315652B1 (en) * 2001-04-30 2001-11-13 General Electric Abrasive tool inserts and their production

Also Published As

Publication number Publication date
DE20120137U1 (de) 2002-02-28
ATE360504T1 (de) 2007-05-15
DK1321233T3 (da) 2007-09-17
ES2286191T3 (es) 2007-12-01
EP1321233A1 (fr) 2003-06-25
DE50210023D1 (de) 2007-06-06

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