EP1993786B1 - Meule d'ebarbage fine, utilisation de cette meule et procede pour la fabriquer. - Google Patents

Meule d'ebarbage fine, utilisation de cette meule et procede pour la fabriquer. Download PDF

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Publication number
EP1993786B1
EP1993786B1 EP07731681A EP07731681A EP1993786B1 EP 1993786 B1 EP1993786 B1 EP 1993786B1 EP 07731681 A EP07731681 A EP 07731681A EP 07731681 A EP07731681 A EP 07731681A EP 1993786 B1 EP1993786 B1 EP 1993786B1
Authority
EP
European Patent Office
Prior art keywords
wheel
layers
abrasive grains
layer
grinding wheel
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.)
Revoked
Application number
EP07731681A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1993786A2 (fr
Inventor
Flavien Lavaire
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.)
Saint Gobain Abrasifs Technologie et Services SAS
Original Assignee
Saint Gobain Abrasifs Technologie et Services SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36579694&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1993786(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Saint Gobain Abrasifs Technologie et Services SAS filed Critical Saint Gobain Abrasifs Technologie et Services SAS
Priority to SI200730880T priority Critical patent/SI1993786T1/sl
Priority to PL07731681T priority patent/PL1993786T3/pl
Publication of EP1993786A2 publication Critical patent/EP1993786A2/fr
Application granted granted Critical
Publication of EP1993786B1 publication Critical patent/EP1993786B1/fr
Revoked 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
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/12—Cut-off wheels
    • 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
    • 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
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0045—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by stacking sheets of abrasive material

Definitions

  • the present invention relates to a grinding wheel, and possibly cutting, in disk form, according to the preamble of claim 1.
  • This standard defines in particular essential criteria for the production of deburring wheels, corresponding to the types referenced 27, 28 and 29 in this standard.
  • a grinding wheel must imperatively have a thickness of between 4 and 10 mm, as illustrated in the document EP 1543923 on which the preamble of claim 1 is based.
  • the present invention thus relates in its broadest sense to a grinding wheel, according to claim 1 characterized in that the working area has a total thickness of less than 4 mm and preferably less than or equal to 3.2 mm.
  • This thickness is measurable over the entire width and the entire length of the work area.
  • the wheel according to the invention has at least two adjacent working areas and preferably three working areas adjacent two by two.
  • These working areas are preferably substantially perpendicular two by two.
  • the grinding wheel according to the invention may in particular have a thickness greater than 2.5 mm or 3.2 mm.
  • At least one outer layer containing no abrasive grains, or even the two outer layers containing no abrasive grains has (a) diameter smaller than the total diameter of the grinding wheel.
  • the term "slab” designates a constituent layer formed from abrasive grains which has a consistency such that the slab can be handled, and in particular seized and moved by hand or by using a machine.
  • This slab may therefore consist of a single layer formed from abrasive grains or may comprise on one side a layer containing no grains, abrasives.
  • working sector designates a surface of the grinding wheel in contact with which it is possible to deburr.
  • the passage time at each subsequent station can be significantly reduced since it no longer depends on the duration of operations. discharge of the powdered product or pressing under high pressure. In addition, the pressure used can be reduced.
  • the present invention also relates to the use of a grinding wheel according to the invention, to perform a deburring operation.
  • the grinding wheel according to the invention can be used for deburring, as well as possibly for cutting.
  • the figure 1 illustrates a grinding wheel (1) according to the invention.
  • This grinding wheel (1) has a general disk shape and thus has a central axis X, a central fixing zone F and at least one peripheral working zone Z extending externally to the central fixing zone with respect to the axis central.
  • the attachment zone consists of a metal washer and allows the fixing of the wheel on a hub of a grinding machine.
  • This washer may not be flat to allow to achieve a wheel with a offset.
  • the grinding wheel has two layers (3, 5) formed from abrasive grains.
  • the layers not containing abrasive grains (2, 4, 6) are, for example, glass fiber grids coated with phenolic resin.
  • Different grammages may be used for the fiberglass grid, for example from 75 to 420 grams per square meter.
  • a sheet of paper can also be glued to one or both of the outer surfaces of the grinding wheel.
  • an outer layer or even the two outer layers not containing abrasive grains (2, 6) to have a diameter smaller than the total diameter of the grinding wheel, and to have a diameter reduced from about 2 to 50 mm.
  • the layers (3, 5) are formed from abrasive grains which consist, for example, mainly of Alumina (Al 2 O 3 ), or for example a Zirconia-Alumina (ZrO 2 -Al 2 O 3 ) mixture, or even grains mainly consisting of silicon carbide (SiC).
  • abrasive grains used may also be subjected to different thermal, mechanical, physical or chemical treatments to improve the abrasive performance (hardness, friability, roughness, etc ).
  • the layers (3, 5) formed from these abrasive grains may consist of abrasive grains of different sizes, the average size of which is generally defined by those skilled in the art by the term "grit", or a mixture of grains of different sizes.
  • the average size of the abrasive grains is, according to a possible embodiment of the invention, between 1035 microns (grit 24) and 122 microns (grit 150).
  • the layers (3, 5) may be formed from the abrasive grains bonded together by a binder composed of various phenolic powder resins (eg Novolak) and / or in liquid (eg Resole) as well as possibly with additives or fillers.
  • a binder composed of various phenolic powder resins (eg Novolak) and / or in liquid (eg Resole) as well as possibly with additives or fillers.
  • the fillers or additives used may be mainly composed of iron sulphides, aluminum and potassium double fluoride, potassium sulphate or calcium carbonate (lime).
  • the working zone Z has a total thickness e of less than 4 mm, and preferably less than or equal to 3.2 mm and greater than 2 mm.
  • the grinding wheel (1) has three working areas (S1, S2, S3) adjacent in pairs: the sectors S1 and S3 correspond to the main working surfaces and the sector S2 corresponds to the outer edge of the grinding wheel.
  • a grinding wheel was made presenting the structure illustrated on the figure 1 .
  • the mixture of grains used in each layer (3,5) consists of two types of grains, one having an average size of 508 ⁇ m (grit 46) representing 85% by volume of the total volume of the mixture of abrasive grains and 1 another having an average size of 406 ⁇ m (grit 60) representing 15% by volume of the total volume of the mixture of abrasive grains.
  • the binder used in each layer (3.5) consists of 65% by volume of phenolic resin (liquid + 15% by weight hexamethylenetetramine powder) and fillers: 15% by volume of iron sulphide, 18% by volume of sulphates of potassium and 2% by volume of lime.
  • Each layer (3.5) thus consists of approximately 44% by volume of abrasive grains, 46% by volume of binder, the rest being porosity.
  • the fabric used for the layers (2, 4, 6) has a basis weight of 195, 170 and 195 grams per square meter, respectively.
  • This grinding wheel has after manufacture a thickness e of about 2.5 mm and an overall diameter of 125 mm.
  • This grinding wheel although not having the thickness required by ISO 525 for a grinding wheel, has satisfied all the safety tests of the EN 12413 standard for grinding wheels type 27, 28 and 29.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Pens And Brushes (AREA)
  • Sliding-Contact Bearings (AREA)
  • Food-Manufacturing Devices (AREA)
EP07731681A 2006-03-06 2007-03-01 Meule d'ebarbage fine, utilisation de cette meule et procede pour la fabriquer. Revoked EP1993786B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200730880T SI1993786T1 (sl) 2006-03-06 2007-03-01 Brus za fino obrezovanje, uporaba brusa in postopek za njegovo izdelavo
PL07731681T PL1993786T3 (pl) 2006-03-06 2007-03-01 Cienka ściernica do zdzierania, zastosowanie tej ściernicy i sposób jej wytwarzania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0650776A FR2898070B1 (fr) 2006-03-06 2006-03-06 Meule d'ebarbage fine, utilisation de cette meule, procede et dispositif pour la fabriquer
PCT/FR2007/050864 WO2007101957A2 (fr) 2006-03-06 2007-03-01 Meule d'ebarbage fine, utilisation de cette meule, procede et dispositif pour la fabriquer.

Publications (2)

Publication Number Publication Date
EP1993786A2 EP1993786A2 (fr) 2008-11-26
EP1993786B1 true EP1993786B1 (fr) 2011-12-14

Family

ID=36579694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07731681A Revoked EP1993786B1 (fr) 2006-03-06 2007-03-01 Meule d'ebarbage fine, utilisation de cette meule et procede pour la fabriquer.

Country Status (21)

Country Link
EP (1) EP1993786B1 (xx)
JP (2) JP5503150B2 (xx)
KR (1) KR101333329B1 (xx)
CN (1) CN101394972B (xx)
AT (1) ATE536960T1 (xx)
AU (1) AU2007222236B2 (xx)
BR (1) BRPI0707966B1 (xx)
CA (1) CA2644859C (xx)
DE (1) DE202007019685U1 (xx)
DK (1) DK1993786T3 (xx)
ES (1) ES2379114T3 (xx)
FR (1) FR2898070B1 (xx)
MX (1) MX2008011327A (xx)
NO (1) NO20084163L (xx)
NZ (1) NZ569257A (xx)
PL (1) PL1993786T3 (xx)
PT (1) PT1993786E (xx)
SI (1) SI1993786T1 (xx)
TW (2) TWI494193B (xx)
WO (1) WO2007101957A2 (xx)
ZA (1) ZA200806437B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103878706A (zh) 2008-12-30 2014-06-25 圣戈班磨料磨具有限公司 生产粘结的磨轮的方法
WO2013070576A2 (en) * 2011-11-09 2013-05-16 3M Innovative Properties Company Composite abrasive wheel
AR093483A1 (es) * 2012-11-20 2015-06-10 Saint Gobain Abrasives Inc Articulo abrasivo que comprende particulas abrasivas de una composicion compuesta
CN103100985A (zh) * 2013-03-01 2013-05-15 福建一胜多砂轮有限公司 超高速纤维增强树脂切割砂轮
JP6412304B2 (ja) * 2013-06-18 2018-10-24 株式会社三共 遊技機
CN107530866B (zh) * 2015-04-01 2021-04-30 3M创新有限公司 具有侧盖层的磨料盘
CA3033406A1 (en) * 2016-08-10 2018-02-15 Klingspor Ag Roughing disc having a backing layer
MX2019002076A (es) * 2016-08-23 2019-05-15 Rueggeberg August Gmbh & Co Kg Herramienta para desbastar-rectificar.
EP3421178A1 (en) * 2017-06-26 2019-01-02 Dronco GmbH Method of manufacturing an abrasive member, in particular rotary abrasive disc and abrasive member, in particular rotary abrasive disc
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
CN107378806A (zh) * 2017-07-20 2017-11-24 江苏苏北砂轮厂有限公司 高厚度砂轮
CH715030B1 (de) * 2018-05-29 2020-09-30 Reishauer Ag Verfahren zur Herstellung dünner Schleifkörper.
CN109202751A (zh) * 2018-08-07 2019-01-15 安徽砥钻砂轮有限公司 一种切磨两用的树脂砂轮
CN108972375B (zh) * 2018-08-27 2024-03-26 洛阳希微磨料磨具有限公司 一种多层陶瓷结合剂砂轮及其制备方法
CN114029873A (zh) * 2021-10-27 2022-02-11 宁波大华砂轮有限公司 一种角磨片及其制备方法
CN114473894A (zh) * 2022-03-03 2022-05-13 江苏铁锚玻璃股份有限公司 玻璃数控磨边磨轮

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
JPS5231596B1 (xx) * 1970-05-29 1977-08-16
JPS4849689U (xx) * 1971-10-09 1973-06-29
JPS5632293Y2 (xx) * 1976-09-13 1981-07-31
JPS60190565U (ja) * 1984-05-23 1985-12-17 シルバ−樹脂工業株式会社 成形品のバリ取り用砥石車
JPS63161662U (xx) * 1987-04-09 1988-10-21
JP2543404B2 (ja) * 1989-03-01 1996-10-16 住友化学工業株式会社 研磨研削材料
DE4243017A1 (de) * 1992-12-18 1994-06-23 Hilti Ag Scheibenförmiges Schleifwerkzeug
CN2314892Y (zh) * 1997-11-03 1999-04-21 李广棋 超薄切割砂轮片
KR100542088B1 (ko) * 1998-03-04 2006-12-07 신에쓰 가가꾸 고교 가부시끼가이샤 연마재-블레이드다중절삭휠조립품
FR2794676B1 (fr) * 1999-06-09 2001-08-10 Seva Procede et installation de fabrication de meules abrasives, et meule fabriquee par ce procede
JP2001315063A (ja) * 2000-05-10 2001-11-13 Nitto Boseki Co Ltd 回転砥石
DE20017092U1 (de) * 2000-10-05 2001-01-18 Dronco Ag Trennscheibe zum Trockenschneiden von Hartstoffen
JP2002178268A (ja) * 2000-12-14 2002-06-25 Nippon Plastic Seito Kk 皮膜固定抵抗器のトリミング用研削砥石とその支持具
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JP4175628B2 (ja) * 2003-04-03 2008-11-05 山陽特殊製鋼株式会社 金属材切断用砥石及び金属材切断方法
JP2004322230A (ja) * 2003-04-22 2004-11-18 Read Co Ltd 研削砥石
DE10359747A1 (de) * 2003-12-19 2005-07-14 August Rüggeberg Gmbh & Co. Kg Schrupp-Schleifscheibe

Also Published As

Publication number Publication date
BRPI0707966A2 (pt) 2011-05-17
ZA200806437B (en) 2009-07-29
CN101394972B (zh) 2013-03-27
BRPI0707966B1 (pt) 2020-03-31
AU2007222236B2 (en) 2012-10-04
TWI494193B (zh) 2015-08-01
TW200812756A (en) 2008-03-16
JP5506064B2 (ja) 2014-05-28
DK1993786T3 (da) 2012-04-02
AU2007222236A1 (en) 2007-09-13
KR101333329B1 (ko) 2013-11-25
PL1993786T3 (pl) 2012-05-31
SI1993786T1 (sl) 2012-08-31
WO2007101957A2 (fr) 2007-09-13
ATE536960T1 (de) 2011-12-15
EP1993786A2 (fr) 2008-11-26
ES2379114T3 (es) 2012-04-20
KR20080105057A (ko) 2008-12-03
FR2898070A1 (fr) 2007-09-07
FR2898070B1 (fr) 2009-01-09
JP2009528924A (ja) 2009-08-13
WO2007101957A3 (fr) 2007-10-25
CA2644859A1 (fr) 2007-09-13
TWI492821B (zh) 2015-07-21
TW201440959A (zh) 2014-11-01
CN101394972A (zh) 2009-03-25
PT1993786E (pt) 2012-03-15
NO20084163L (no) 2008-10-03
JP2012232411A (ja) 2012-11-29
DE202007019685U1 (de) 2015-08-03
CA2644859C (fr) 2014-07-08
JP5503150B2 (ja) 2014-05-28
MX2008011327A (es) 2008-09-19
NZ569257A (en) 2012-01-12

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