EP3429802A1 - Verfahren zur wiederbelegung eines schleifwerkzeugs - Google Patents
Verfahren zur wiederbelegung eines schleifwerkzeugsInfo
- Publication number
- EP3429802A1 EP3429802A1 EP17710226.6A EP17710226A EP3429802A1 EP 3429802 A1 EP3429802 A1 EP 3429802A1 EP 17710226 A EP17710226 A EP 17710226A EP 3429802 A1 EP3429802 A1 EP 3429802A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- tool
- grinding
- base body
- receiving surface
- 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- Withdrawn
Links
Classifications
-
- 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
- B24D3/007—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent between different parts of an abrasive tool
-
- 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
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
-
- 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
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
-
- 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
-
- 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
- B24D5/08—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 reinforcing means
-
- 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
-
- 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
-
- 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
- B24D7/08—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 with reinforcing means
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/50—Additional features of adhesives in the form of films or foils characterized by process specific features
- C09J2301/502—Additional features of adhesives in the form of films or foils characterized by process specific features process for debonding adherents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2463/00—Presence of epoxy resin
Definitions
- the invention relates to a method for repositioning a grinding tool, wherein the grinding tool has a tool base body which has at least one receiving surface for receiving grinding bodies, wherein the grinding bodies are adhesively bonded to the receiving surface by means of an adhesive.
- From DE 31 48 499 A1 discloses a method for repositioning a grinding tool is known, wherein the grinding tool has a tool body having at least one receiving surface for receiving abrasive bodies.
- the abrasive particles are glued to the receiving surface, and these are worn and need to be replaced, a soluble release layer is used so that the grinding wheels can be detached from the receiving surface.
- the construction of the connection between the grinding bodies and the tool base body is multi-layered and thus elaborate.
- CFRP basic body find particular use due to the low weight.
- CBN grinding wheels are applied to the tool body made of CFRP, and if worn grinding wheels have to be removed, they are chiseled down from the base body, resulting in a high mechanical stress on the body.
- CFRP basic bodies are distinguished above all by a tensile strength and rigidity and are disadvantageous sensitive to bumps and blows. Consequently, the remains of the abrasive coating and also the adhesive are turned down from the body. Carbon fibers are inevitably cut and damaged.
- the aim is therefore to simplify the repositioning of grinding tools, and bodies made of CFRP materials should be minimally or not loaded or damaged, so that a significant increase in the service life and the frequency of repopulation can be achieved.
- the object of the invention is the development of a method for reposting a grinding tool, in which a tool base body gentle removal of worn grinding wheels is possible.
- a possible frequent reuse of a tool body of the grinding tool should be possible.
- the method according to the invention comprises at least the following steps: degenerate the adhesive; Removing the worn abrasive article from the tool body, peeling the degenerate adhesive from the tool body, new order of the adhesive and reposting of the tool body with new abrasive.
- the core idea of the invention is the use of a degenerable adhesive, so that the process of repopulation the step of Degenerating the adhesive comprises, which forms the connection between the grinding wheels and the receiving surface of the tool body without the use of additional layers and in a degenerate in a simple and gentle way the connection is solvable.
- the inventive solution for the formation of the method is very simple and inexpensive and neither an operator nor the material, in particular the tool body, are endangered. By the method, the previously necessary sacrificial layers on the tool body are superfluous and this omitted.
- the tool base body in particular formed of a CFRP material, is advantageously adapted, designed and produced inexpensively.
- the degenerate of the adhesive is achieved by heat is introduced into the adhesive.
- the heating is introduced, for example, to the least possible impairment of the body from the outside over the worn abrasive, so that the heat reaches the adhesive in the glue joint between the grinding wheels and the tool body, without substantially heating the tool body. It is also conceivable, however, the introduction of the entire grinding tool in a furnace, and the adhesive is selected such that it degenerates at temperatures that do not cause impairment of the tool body.
- the method alternatively or additionally provides that an organic acid is brought into contact with the adhesive.
- the organic acid for example, acetic acid which is brought into contact with the adhesive is used.
- acetic acid which is brought into contact with the adhesive.
- the dissolution of the adhesive with organic acid in particular acetic acid, is given the further possibility of first mechanically remove the worn abrasive, so that the adhesive is exposed.
- the organic acid so in particular acetic acid, brought into contact with the adhesive. If the adhesive is degenerated, in particular dissolved, it can be removed from the receiving surface in a simple manner, without stressing the tool body in particular mechanically.
- Another advantage is achieved when a two-component epoxy adhesive system is used as the adhesive.
- the two-component epoxy adhesive system is used as an amine-cured adhesive system.
- Such adhesive systems are degenerate with heat and / or by contact with organic acid, so that the inventive method, in particular with such adhesive systems, is executable.
- the method for repositioning a grinding tool is particularly suitable for tool bodies comprising a CFRP base body, and the temperatures which are necessary to degenerate an adhesive by means of heat, are selected so that a CFRP base body is not affected by the introduced heat becomes.
- acetic acid is used to degenerate the adhesive, since acetic acid does not attack a CFRP body, or no interaction with the material produces a CFRP body.
- the invention is further directed to a Wegbelegbares grinding tool with a tool body and with glued on a receiving surface of the tool body grinding wheels.
- the abrasive bodies are glued to the tool base body with an adhesive that can be degenerated by means of heat and / or by means of an organic acid.
- the adhesive advantageously comprises a two-component epoxy adhesive system and / or it is provided that the tool base body comprises a CFRP material.
- the adhesive is in particular degenerate by means of an acetic acid. In the context of the invention, in particular, it is provided to introduce both heat to degenerate the adhesive system and also to degenerate the adhesive by means of an acetic acid.
- Figure 1 is an illustration of the grinding tool in a half-sided
- FIG. 2 shows the grinding tool according to FIG. 1, with the grinding bodies having been removed and the adhesive being degenerated;
- FIG 3 shows the grinding tool of Figure 2, wherein the adhesive from the
- Figure 4 shows the grinding tool, with a new adhesive on the
- FIG. 5 shows the grinding tool with a newly applied adhesive on the receiving surface
- Figure 6 shows the grinding tool on the new abrasive on the with
- Adhesive wetted receiving surface is applied.
- FIGS. 1 to 6 each show a grinding tool 1 in a cross-sectioned half-section along a central axis 14 of a tool body 10 and in a left-hand front view, in which the grinding tool 1 is shown over a partial circumference from the direction of view of the center axis 14.
- the tool body 10 has a substantially cylindrical receiving surface 1 1, on which a plurality of grinding wheels 12 are applied.
- an adhesive 13 which is located in the glue joint between the receiving surface 1 1 of the tool body 10 and the used-up grinding wheels 12.
- FIG. 1 shows a grinding tool 1 with worn abrasive bodies 12 'which have to be removed from the tool base body 10 for reapplication of the grinding tool 1.
- the worn abrasive bodies 12 ' can initially be removed from the receiving surface 11 for improved accessibility of the adhesive 13.
- Figure 2 shows the inventive method of degenerating the adhesive 13 ', according to the invention for this purpose, for example, an acid is used, which is applied by means of a spray source 15. Also shown is a heat source 16, with which heat, shown with an arrow, is introduced into the layer of adhesive 13 'to degenerate it. It is advantageous if the degeneration of the adhesive 13, a mechanical separation of the worn abrasive article 12 'anticipates, for example by a turning or grinding.
- Figure 3 shows the grinding tool 1 with the tool body 10 and a removal tool 17, with the degenerate adhesive 13 'is mechanically removed from the receiving surface 1 1, for example by scraping, so from the receiving surface 1 1, both the grinding body 12' and the Adhesive 13 'were removed.
- Figure 4 shows the step of the order of a new adhesive 13 on the receiving surface 1 1 by means of an adhesive source 18.
- adhesive 13 for example, a two-component epoxy adhesive system is used, so that it has particularly advantageous properties for repeated degeneration.
- FIG. 5 shows the grinding tool 1, and on the receiving surface 1 1 of the tool base 10, finally, the new adhesive 13 has been completely applied.
- FIG. 6 shows the method step in which new, non-worn grinding wheels 12 are glued, the adhesive 13 being used for adhesive bonding.
- the process of reassignment of the grinding tool 1 is very often repeatable, since the degeneration of the adhesive 13, a purely chemical process takes place without a mechanical action on the tool body 10 must be made. Even with a separation of the abrasive body 12 to expose the adhesive 13 of the tool body 10 is not mechanically stressed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016105049.0A DE102016105049B4 (de) | 2016-03-18 | 2016-03-18 | Verfahren zur Wiederbelegung eines Schleifwerkzeugs sowie wiederbelegbares Schleifwerkzeug hierzu |
| PCT/EP2017/055668 WO2017157789A1 (de) | 2016-03-18 | 2017-03-10 | Verfahren zur wiederbelegung eines schleifwerkzeugs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3429802A1 true EP3429802A1 (de) | 2019-01-23 |
Family
ID=58266624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17710226.6A Withdrawn EP3429802A1 (de) | 2016-03-18 | 2017-03-10 | Verfahren zur wiederbelegung eines schleifwerkzeugs |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20190070710A1 (de) |
| EP (1) | EP3429802A1 (de) |
| CN (1) | CN108778628A (de) |
| DE (1) | DE102016105049B4 (de) |
| WO (1) | WO2017157789A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3231558B1 (de) | 2016-04-11 | 2020-02-05 | 3M Innovative Properties Company | Ein grünkörper, eine schleifscheibe und ein verfahren zur herstellung mindestens eines grünkörpers |
| AT518908B1 (de) * | 2016-08-11 | 2019-04-15 | Tyrolit Schleifmittelwerke Swarovski Kg | Trägerkörper für Schleifwerkzeuge |
| CN110774183B (zh) * | 2019-11-01 | 2021-04-23 | 古德尚新材料科技湖北有限公司 | 一种超薄超软光面砂布及其生产工艺 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE537578C (de) * | 1930-04-08 | 1931-11-04 | Fritz Szepanscky Dipl Ing | Verfahren zum Befestigen von Mitteln zur Oberflaechenbehandlung, z. B. Schleifbelaegen aus Schmirgelleinen, auf ihrer Unterlage |
| US2581934A (en) * | 1949-04-04 | 1952-01-08 | Firestone Tire & Rubber Co | Abrading roll |
| DE3148499A1 (de) | 1981-12-08 | 1983-06-23 | Gerd 4475 Sögel Braasch | Verfahren zum kleben von schleifmaterial auf einen schleifkoerper |
| DE3503619C2 (de) * | 1985-02-02 | 1994-08-25 | Renia Gmbh | Verfahren zur Klebeverbindung von Hon- und Schleifsteinen mit einem metallenen Trägerkörper |
| JPH08112768A (ja) * | 1994-10-14 | 1996-05-07 | Honda Motor Co Ltd | 砥石の再生方法 |
| US6245443B1 (en) * | 1996-08-28 | 2001-06-12 | Norton Company | Removable bond for abrasive tool |
| US6074278A (en) * | 1998-01-30 | 2000-06-13 | Norton Company | High speed grinding wheel |
| US6102789A (en) * | 1998-03-27 | 2000-08-15 | Norton Company | Abrasive tools |
| JP3426522B2 (ja) * | 1998-11-06 | 2003-07-14 | 株式会社ノリタケカンパニーリミテド | ベース円板型研削砥石 |
| US7195549B2 (en) * | 2004-08-23 | 2007-03-27 | Saint-Gobain Abrasives, Inc. | Drum grinding wheel |
| US20060069192A1 (en) * | 2004-09-29 | 2006-03-30 | Konica Minolta Opto, Inc. | Method for manufacturing cellulose ester film, and cellulose ester film, optical film, polarizing plate and liquid crystal display device using the same |
| JPWO2007066519A1 (ja) * | 2005-12-07 | 2009-05-14 | コニカミノルタオプト株式会社 | セルロースエステルフィルム、その製造方法、偏光板及び液晶表示装置 |
| EP1967541B1 (de) * | 2005-12-21 | 2013-07-03 | Konica Minolta Opto, Inc. | Verfahren zur Herstellung von Celluloseesterfolie |
| US9050706B2 (en) * | 2012-02-22 | 2015-06-09 | Inland Diamond Products Company | Segmented profiled wheel and method for making same |
| DE102013203116A1 (de) * | 2013-02-26 | 2014-08-28 | Robert Bosch Gmbh | Schleifmittelvorrichtung |
| DE102015122233A1 (de) | 2015-12-18 | 2017-06-22 | Thyssenkrupp Ag | Massereduzierter Schleif-Grundkörper |
-
2016
- 2016-03-18 DE DE102016105049.0A patent/DE102016105049B4/de active Active
-
2017
- 2017-03-10 US US16/084,601 patent/US20190070710A1/en not_active Abandoned
- 2017-03-10 CN CN201780017779.XA patent/CN108778628A/zh active Pending
- 2017-03-10 EP EP17710226.6A patent/EP3429802A1/de not_active Withdrawn
- 2017-03-10 WO PCT/EP2017/055668 patent/WO2017157789A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN108778628A (zh) | 2018-11-09 |
| DE102016105049B4 (de) | 2018-09-06 |
| US20190070710A1 (en) | 2019-03-07 |
| DE102016105049A1 (de) | 2017-09-21 |
| WO2017157789A1 (de) | 2017-09-21 |
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