EP2265410B1 - Meule de dégrossissage - Google Patents

Meule de dégrossissage Download PDF

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Publication number
EP2265410B1
EP2265410B1 EP08874253A EP08874253A EP2265410B1 EP 2265410 B1 EP2265410 B1 EP 2265410B1 EP 08874253 A EP08874253 A EP 08874253A EP 08874253 A EP08874253 A EP 08874253A EP 2265410 B1 EP2265410 B1 EP 2265410B1
Authority
EP
European Patent Office
Prior art keywords
roughing
grinding disc
grinding
part discs
discs
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
EP08874253A
Other languages
German (de)
English (en)
Other versions
EP2265410A1 (fr
Inventor
Frank Henn
Markus Bernhardt
Martin Wördehoff
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.)
August Rueggeberg GmbH and Co KG
Original Assignee
August Rueggeberg 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 August Rueggeberg GmbH and Co KG filed Critical August Rueggeberg GmbH and Co KG
Priority to PL08874253T priority Critical patent/PL2265410T3/pl
Publication of EP2265410A1 publication Critical patent/EP2265410A1/fr
Application granted granted Critical
Publication of EP2265410B1 publication Critical patent/EP2265410B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B24D7/16—Bushings; Mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/08—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising annular or circular sheets packed side by side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
    • B24D5/066—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental with segments mounted axially one against the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/16—Bushings; Mountings

Definitions

  • the invention relates to a roughing wheel.
  • Such a relatively thick circumferential grinding wheel which consists of a plurality of tissue-reinforced, full-surface glued together partial discs, wherein in the adhesive layer, an elastic insert may be provided.
  • Such packages have a higher grinding performance than a one-piece compact disk.
  • a compact disc which in each case has abrasive-free zones in its radially outer regions, which are formed by annular intermediate layers, which can optionally be removed again, so that a clear gap is formed between the adjacent regions.
  • abrasive-free zones lead to a particularly cool grinding during circumferential grinding and also produce additional chip space, which allows a substantial increase in the grinding performance with otherwise identical disk composition.
  • a compact grinding wheel which consists of several layers of resin-bonded abrasive grain and multiple layers of reinforcements made of fiberglass layers.
  • the grinding wheel has an inner hub for attachment to a drive shaft of a grinding machine.
  • the invention has for its object to provide a vibration-damped roughing grinding wheel for the hand-guided use, which is particularly simple in construction and thus is particularly easy to produce.
  • Fig. 1 and 5 As can be seen, roughing wheels 1 are used on hand-grinders 2, namely so-called angle grinders.
  • the grinding wheel 1 has for this purpose a central opening 3, in which a hub 4 is inserted.
  • This hub 4 has an internal thread 5, by means of which the grinding wheel 1 is screwed onto a provided with an external thread 6 output shaft 7 of the grinding machine 2.
  • the grinding wheel 1 consists in its basic structure of several, namely two to ten, thin part discs 8 with an outer diameter D.
  • Each part disc 8 has on its two outer sides depending on a reinforcement 9, 10, wherein between the two reinforcements 9, 10 with binders , usually phenolic resin, bonded abrasive grain 11 is arranged.
  • the reinforcements 9, 10 consist of a fabric impregnated with the binder of the abrasive grain 11, usually a glass fabric. These dividing discs 8 are hardened.
  • the part discs 8 have on their outer sides, ie on the exposed surfaces of the reinforcements 9, 10, no labels or paper layers or the like, so are unbacked.
  • a plurality of planarized dividing disks 8 are stacked on top of one another, wherein in each case an adhesive layer 12, generally thermosets, is applied in an annular region around the central opening 3.
  • This adhesive layer 12 with a diameter d is in each case so thin that when pressing the package of several part discs 8 to a roughing grinding wheel 1, the adhesive in the surface roughness of the adjacent part discs 8 is taken.
  • the dividing disks 8 in the region of the adhesive layer 12 with the diameter d are fixedly connected to each other, and that they are not connected to each other outside the respective adhesive layer 12, but are close to each other.
  • the hub 4 passes through the central opening 3 of the grinding wheel 1 on one side, on the side facing away from the grinding machine 2, only slightly with a flanged edge 14, so that the roughing wheel 1, although not cranked, but completely flat is formed as roughing grinding wheel 1, ie in the beginning and in Fig. 1 illustrated manner, can be used diagonally. But it is also a surface grinding possible in which the roughing grinding wheel 1 with its the edge 14 of the hub associated end face 15 is used flat or approximately flat on a workpiece 16. When the roughing wheel 1 is as shown in FIG Fig.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Braking Arrangements (AREA)

Claims (7)

  1. Meule de dégrossissage (1) étant constituée de plusieurs plateaux diviseurs (8) individuels qui
    - présentent un axe commun (17),
    - présentent des granulés abrasifs (11) liés par une résine synthétique et des ferraillages (9, 10),
    - présentent un diamètre extérieur D, et
    - sont reliés entre eux au moyen d'une couche de colle (12),
    caractérisée en ce
    que les plateaux diviseurs (8) sont de forme plane, que les ferraillages (10) sont prévus sur les faces extérieures des plateaux diviseurs (8), située chacune axialement par rapport à l'axe (17),
    que les granulés abrasifs (11) liés par de la résine synthétique sont prévus entre les ferraillages (9, 10) de chaque plateau diviseur (8),
    que les plateaux diviseurs (8) sont posés serrés les uns sur les autres, non reliés et non dissimulés, dans une zone de travail (13) externe disposée radialement par rapport à l'axe (17),
    que les plateaux diviseurs (8) sont reliés entre eux au moyen d'une couche de colle (12) sur une zone de liaison interne avec un diamètre d, située radialement par rapport à l'axe (17) dans la zone de travail (13) externe, et
    que les plateaux diviseurs sont munis d'un moyeu (4), admis dans la meule (1), dans une ouverture centrale (3).
  2. Meule de dégrossissage (1) selon la revendication 1 caractérisée en ce
    que le moyeu (4) ne présente sur l'une des faces frontales (15) de la meule de dégrossissage (1) qu'un rebord non ourlé (14).
  3. Meule de dégrossissage (1) selon l'une des revendications de 1 à 2 caractérisée en ce
    que les plateaux diviseurs (8) présentent une épaisseur b pour laquelle on a : 0,8 mm ≤ b ≤ 1,4 mm.
  4. Meule de dégrossissage (1) selon l'une des revendications de 1 à 3 caractérisée en ce
    que le nombre n de plateaux diviseurs (8) est tel que : 2 ≤ n ≤ 10.
  5. Meule de dégrossissage (1) selon l'une des revendications de 1 à 4 caractérisée en ce
    que le rapport entre le diamètre d de la zone de liaison interne et le diamètre externe D des plateaux diviseurs (8) est tel que : 0,2 ≤ d/D ≤ 0,65.
  6. Meule de dégrossissage (1) selon l'une des revendications de 1 à 5 caractérisée en ce
    que le diamètre externe D des plateaux diviseurs (8) est tel que : 100 mm ≤ D ≤ 300 mm.
  7. Meule de dégrossissage (1) selon l'une des revendications de 1 à 6 caractérisée en ce
    que le moyeu (4) est muni d'un filetage interne (5) pour le vissage sur le filetage externe (6) d'un arbre de sortie (7) de la machine meuleuse (2).
EP08874253A 2008-05-16 2008-11-03 Meule de dégrossissage Not-in-force EP2265410B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08874253T PL2265410T3 (pl) 2008-05-16 2008-11-03 Tarcza zdzierająco-szlifująca

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008023946A DE102008023946B3 (de) 2008-05-16 2008-05-16 Schrupp-Schleifscheibe
PCT/EP2008/009236 WO2009138114A1 (fr) 2008-05-16 2008-11-03 Meule de dégrossissage

Publications (2)

Publication Number Publication Date
EP2265410A1 EP2265410A1 (fr) 2010-12-29
EP2265410B1 true EP2265410B1 (fr) 2012-03-07

Family

ID=40265031

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08874253A Not-in-force EP2265410B1 (fr) 2008-05-16 2008-11-03 Meule de dégrossissage

Country Status (9)

Country Link
US (1) US20110065369A1 (fr)
EP (1) EP2265410B1 (fr)
CN (1) CN102026777B (fr)
AT (1) ATE548159T1 (fr)
AU (1) AU2008356428B2 (fr)
DE (1) DE102008023946B3 (fr)
ES (1) ES2380282T3 (fr)
PL (1) PL2265410T3 (fr)
WO (1) WO2009138114A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016421095B2 (en) * 2016-08-23 2022-03-31 August Rüggeberg Gmbh & Co. Kg Roughing grinding tool

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2286959B1 (fr) * 2009-08-22 2014-05-07 August Rüggeberg GmbH & Co. KG Outil d'ébauchage et de ponçage
CN102120316A (zh) * 2010-11-29 2011-07-13 湖北玉立砂带集团股份有限公司 强力磨削砂盘
GB201504759D0 (en) * 2015-03-20 2015-05-06 Rolls Royce Plc Abrading tool for a rotary dresser
EP3015222B1 (fr) * 2015-07-09 2017-10-25 Lukas-Erzett Vereinigte Schleif- und Fräswerkzeugfabriken GmbH & Co. KG Disque de meulage
AU2017398968B2 (en) 2017-02-14 2023-12-07 August Rüggeberg Gmbh & Co. Kg Method for producing a grinding tool and grinding tool
CN107225515B (zh) * 2017-07-11 2023-06-30 苏州精协机械制造有限公司 挤压丝锥螺纹磨床的组合式多线磨轮

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1303541A (en) * 1919-05-13 Gbindiitg- wheel fob dental purposes
US2027132A (en) * 1934-12-19 1936-01-07 Norton Co Grinding wheel
US3081584A (en) 1962-06-12 1963-03-19 George H Bullard Co Inc Abrasive wheel
AT253966B (de) * 1965-04-09 1967-05-10 Swarovski Tyrolit Schleif Schleifscheibe
US3487589A (en) * 1967-01-30 1970-01-06 Federal Mogul Corp Cutoff wheel
GB1591491A (en) * 1977-01-18 1981-06-24 Daichiku Co Ltd Laminated rotary grinder and method of fabrication
TW550141B (en) * 1999-07-29 2003-09-01 Saint Gobain Abrasives Inc Depressed center abrasive wheel assembly and abrasive wheel assembly
DE10359747A1 (de) * 2003-12-19 2005-07-14 August Rüggeberg Gmbh & Co. Kg Schrupp-Schleifscheibe
CN2902576Y (zh) * 2006-06-07 2007-05-23 广东奔朗超硬材料制品有限公司 磨边轮

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016421095B2 (en) * 2016-08-23 2022-03-31 August Rüggeberg Gmbh & Co. Kg Roughing grinding tool

Also Published As

Publication number Publication date
AU2008356428B2 (en) 2014-08-21
EP2265410A1 (fr) 2010-12-29
US20110065369A1 (en) 2011-03-17
ES2380282T3 (es) 2012-05-10
ATE548159T1 (de) 2012-03-15
DE102008023946B3 (de) 2009-04-02
CN102026777B (zh) 2013-06-12
PL2265410T3 (pl) 2012-08-31
WO2009138114A1 (fr) 2009-11-19
CN102026777A (zh) 2011-04-20
AU2008356428A1 (en) 2009-11-19

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