EP2665583B1 - Schleifkörper - Google Patents

Schleifkörper Download PDF

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Publication number
EP2665583B1
EP2665583B1 EP12700669.0A EP12700669A EP2665583B1 EP 2665583 B1 EP2665583 B1 EP 2665583B1 EP 12700669 A EP12700669 A EP 12700669A EP 2665583 B1 EP2665583 B1 EP 2665583B1
Authority
EP
European Patent Office
Prior art keywords
abrasive
grinding body
grinding
carrier material
carrier
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
EP12700669.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2665583A1 (de
Inventor
Johannes Tack
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.)
Rud Starcke GmbH and Co KG
Original Assignee
Rud Starcke 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
Priority claimed from DE102011103815A external-priority patent/DE102011103815A1/de
Application filed by Rud Starcke GmbH and Co KG filed Critical Rud Starcke GmbH and Co KG
Publication of EP2665583A1 publication Critical patent/EP2665583A1/de
Application granted granted Critical
Publication of EP2665583B1 publication Critical patent/EP2665583B1/de
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
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B24D3/346—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties utilised during polishing, or grinding operation

Definitions

  • the present invention relates to a preferably flat abrasive body, comprising a carrier material and an abrasive applied to the carrier material abrasive.
  • Such abrasive bodies are known for example as grinding wheels or flowers on the market and can be applied for machining a variety of surfaces on eccentric grinder, orbital sanders, rubber blocks or the like.
  • grinding wheels are used with abrasives of different grain size, which remove height differences by a plane-parallel, mechanically or manually executed movement on the surface. This removal process is carried out either dry or with the addition of water-like liquids. Afterwards the finished lacquer surface is polished to a high gloss with a rotating polishing plate and polishing paste.
  • the aim of such a treatment is that the painted surface then runs absolutely plane-parallel to the underlying support material and differs in gloss and surface structure in any way from the raw, adjacent paint surface.
  • the DE 28 05 288 A1 discloses an abrasive sheet which is provided on the back with a reinforcing layer of flexible material which preferably projects beyond the edge of the abrasive sheet and thus is intended to provide protection against grinding in of grooves with the abrasive sheet edge. In principle, however, scoring can not be reliably avoided even with such an arrangement, for example when the flexible material buckles away.
  • an abrasive article is disclosed, which is provided in the outer edge region with a zone of an elastic material. This serves primarily for the purpose of preventing break-off of grinding comagglomerates or individual abrasive grains from the edge of the abrasive article.
  • a generic grinding wheel is from the US 152 127 A in which an abrasive-free edge region of the abrasive body is formed in that the abrasive is applied only in an inner circular area, forming the abrasive-free edge region by releasing the carrier material of abrasives.
  • Object of the present invention is to develop a generic abrasive in a simple and cost-effective manner such that an undesirable scoring can be reliably prevented.
  • the abrasive-free edge region by a material which smoothes the structure of the abrasive.
  • the outer edges of the abrasive body with curved surfaces or uneven placement of the abrasive article on the surface to be machined can not cut into this.
  • the material removal takes place in the new abrasive body only by the adjoining the edge to the inside central region of the abrasive body.
  • the smoothing of the abrasive structure can be carried out such that the material completely covers the abrasive in the edge region or that it fills the pores between the grains of the abrasive. In both cases, the abrasive action in the treated areas is eliminated.
  • the material is a mineral or a polymeric material.
  • Gypsum may be particularly preferred as a mineral material, while a two-component paint or a two-component polyester resin may be used as the polymeric material.
  • the inventively preferred layer thickness of the smoothing material is 30 to 40 microns. Depending on the grain size of the abrasive, it is ensured with such a layer thickness that the individual grains of the abrasive completely coated or at least the pores between the individual grains are filled. In this way, the abrasive body loses its abrasive effect in the treated edge area.
  • the smoothing of the structure of the abrasive material can be applied for example by screen printing, pad printing, spray painting, stamping, brushing, dipping or sticking. In principle, any method is suitable by which the smoothing material can be applied evenly to the edge region of the grinding wheel.
  • a carrier material of the abrasive article serves as a carrier material of the abrasive article, a tissue, a paper, a plastic film or a carrier plate.
  • a plastic film a film of polyvinyl chloride (PVC) can be used with particular preference.
  • the abrasive is preferably arrested by a binder.
  • a connecting means for connecting the abrasive body with a grinding device such as an eccentric or orbital sander applied.
  • a grinding device such as an eccentric or orbital sander
  • This may be, for example, adhesive, which, as long as the abrasive body is not in use, is provided with a cover.
  • the abrasive article may be applied to a sander, for example, with the aid of a hook and loop fastener formed from a hook and eye loop.
  • the abrasive of the abrasive article according to the invention preferably has a grain size in a range between 2500 and 7000, particularly preferably a grain size of 3000. Granulations in this area are particularly suitable for the post-processing of defects in painted surfaces, such as automobile bodies.
  • the support material of the abrasive article according to the invention preferably has a thickness between 30 and 70 .mu.m, particularly preferably a thickness of 50 .mu.m.
  • FIG. 1 and FIG. 2 show a designated as a whole by 1 inventive abrasive body, as used for example in the automotive industry for post-processing of defects in paint surfaces used.
  • the grinding wheel 1 is designed as a grinding flower with a corrugated edge. As a result, transitions between surfaces of different curvature can be processed more advantageously.
  • the grinding body 1 has an upper side 10, a lower side 11 and an edge 100.
  • the abrasive body 1 is composed of several layers.
  • a carrier material 5 is arranged, which consists of a fabric on the carrier material by means of a binder 4, an abrasive 2 applied with a 3000 grit adhesion.
  • an adhesive 6 which serves for the safe application of the grinding wheel 1 to a grinding tool, not shown here, for example an eccentric or orbital sander.
  • the adhesive is first provided with a cover film 7, which is removed before the application of the grinding wheel 1 on the grinding tool.
  • a material 3 smoothing the structure of the abrasive is applied circumferentially as a cover. These are plaster, which by brushing on the edge 100 and on the edge 100th immediately adjacent region on the abrasive side top 10 of the grinding wheel 1 is applied.
  • the abrasive surface structure of the abrasive body is covered in the edge region, so that only the central abrasive surface is able to remove material.
  • processing traces and consequently post-processing times are considerably reduced.
  • the grinding body 1 is characterized in particular by the fact that the smoothing material 3 can be applied in a simple and cost-effective manner to already existing grinding wheels 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP12700669.0A 2011-01-22 2012-01-17 Schleifkörper Not-in-force EP2665583B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011009164 2011-01-22
DE102011103815A DE102011103815A1 (de) 2011-06-01 2011-06-01 Schleifkörper
PCT/EP2012/050621 WO2012098104A1 (de) 2011-01-22 2012-01-17 Schleifkörper

Publications (2)

Publication Number Publication Date
EP2665583A1 EP2665583A1 (de) 2013-11-27
EP2665583B1 true EP2665583B1 (de) 2016-08-17

Family

ID=45509489

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12700669.0A Not-in-force EP2665583B1 (de) 2011-01-22 2012-01-17 Schleifkörper

Country Status (11)

Country Link
US (1) US20130295827A1 (pt)
EP (1) EP2665583B1 (pt)
KR (1) KR101842661B1 (pt)
CN (1) CN103370175B (pt)
BR (1) BR112013017967A2 (pt)
ES (1) ES2603637T3 (pt)
MX (1) MX342789B (pt)
PL (1) PL2665583T3 (pt)
RU (1) RU2590749C2 (pt)
WO (1) WO2012098104A1 (pt)
ZA (1) ZA201304798B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11201901044QA (en) * 2016-08-10 2019-03-28 Klingspor Ag Roughing disc having a backing layer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US152127A (en) * 1874-06-16 Improvement in sand and emery paper for polishing-machines

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394502A (en) * 1964-03-30 1968-07-30 Mid West Abrasive Co Solid abrasive article and method of making honing elements therefrom
DE2805288A1 (de) 1978-02-08 1979-08-16 Miksa Marton Schleifblatt
SU1407781A1 (ru) * 1986-04-28 1988-07-07 Предприятие П/Я А-7495 Гибкий инструмент дл абразивной обработки
US5203881A (en) * 1990-02-02 1993-04-20 Wiand Ronald C Abrasive sheet and method
DE4440034A1 (de) 1993-11-10 1995-05-11 Dirk Ruebenstrunk Verfahren zum Seitenschleifen mit feinschleifbereichversehenen Schleifkörpern
US6234875B1 (en) * 1999-06-09 2001-05-22 3M Innovative Properties Company Method of modifying a surface
US6857943B2 (en) * 2000-06-28 2005-02-22 Michael Kapgan Burr removal apparatus
US6609947B1 (en) * 2000-08-30 2003-08-26 Micron Technology, Inc. Planarizing machines and control systems for mechanical and/or chemical-mechanical planarization of micro electronic substrates
US7160173B2 (en) * 2002-04-03 2007-01-09 3M Innovative Properties Company Abrasive articles and methods for the manufacture and use of same
JP2004025372A (ja) * 2002-06-26 2004-01-29 Disco Abrasive Syst Ltd 研磨砥石
DE10305189A1 (de) 2003-02-08 2004-02-26 Daimlerchrysler Ag Schleifteller mit Schleifscheibe für eine Rotationsschleifmaschine
US7026085B2 (en) * 2003-03-20 2006-04-11 Fuji Xerox Co., Ltd. Dry toner for electrostatic latent image developer, developer and image forming method
US20070066186A1 (en) * 2005-09-22 2007-03-22 3M Innovative Properties Company Flexible abrasive article and methods of making and using the same
US20070212985A1 (en) * 2006-03-07 2007-09-13 Boler Lewyn B Jr Wet sanding sponge; system and method for storing and using same
JP4942409B2 (ja) * 2006-07-07 2012-05-30 優一郎 新崎 ブラシ毛
US8808412B2 (en) * 2006-09-15 2014-08-19 Saint-Gobain Abrasives, Inc. Microfiber reinforcement for abrasive tools
US20080233845A1 (en) * 2007-03-21 2008-09-25 3M Innovative Properties Company Abrasive articles, rotationally reciprocating tools, and methods
US8662962B2 (en) * 2008-06-30 2014-03-04 3M Innovative Properties Company Sandpaper with non-slip coating layer and method of using
CN102039555B (zh) * 2009-10-26 2013-01-23 中芯国际集成电路制造(上海)有限公司 研磨头装置
TWI510328B (zh) * 2010-05-03 2015-12-01 Iv Technologies Co Ltd 基底層、包括此基底層的研磨墊及研磨方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US152127A (en) * 1874-06-16 Improvement in sand and emery paper for polishing-machines

Also Published As

Publication number Publication date
RU2013138300A (ru) 2015-02-27
CN103370175A (zh) 2013-10-23
BR112013017967A2 (pt) 2020-10-27
PL2665583T3 (pl) 2017-01-31
RU2590749C2 (ru) 2016-07-10
KR20140020256A (ko) 2014-02-18
MX342789B (es) 2016-10-12
ES2603637T3 (es) 2017-02-28
KR101842661B1 (ko) 2018-03-27
CN103370175B (zh) 2016-12-07
US20130295827A1 (en) 2013-11-07
EP2665583A1 (de) 2013-11-27
WO2012098104A1 (de) 2012-07-26
MX2013008366A (es) 2013-08-12
ZA201304798B (en) 2014-02-26

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