EP1786596A1 - Schleifscheibe und verfahren zur herstellung derselben - Google Patents
Schleifscheibe und verfahren zur herstellung derselbenInfo
- Publication number
- EP1786596A1 EP1786596A1 EP05779274A EP05779274A EP1786596A1 EP 1786596 A1 EP1786596 A1 EP 1786596A1 EP 05779274 A EP05779274 A EP 05779274A EP 05779274 A EP05779274 A EP 05779274A EP 1786596 A1 EP1786596 A1 EP 1786596A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grinding wheel
- abrasive grains
- macro
- base body
- grinding
- 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.)
- Granted
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
- B24D3/02—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
- B24D3/04—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 inorganic
- B24D3/06—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 inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
-
- 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
- B24D18/0018—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by electrolytic deposition
-
- 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
- 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
Definitions
- the invention relates to a grinding wheel according to the preamble of claim 1. Furthermore, the invention relates to a method for producing a grinding wheel.
- the present invention is based on the problem to provide a novel grinding wheel and a method for producing the same.
- a grinding wheel according to claim 1 ge This problem is solved by a grinding wheel according to claim 1 ge.
- the abrasive grains are applied to the surface of the grinding wheel base body with a defined position and a defined distance from one another.
- a grinding wheel is proposed in which the abrasive grains are applied to the surface of the grinding wheel base body with a defined distribution, namely with a defined position and a defined distance from each other.
- the defined distribution of the abrasive grains on the Schleifschei ⁇ ben groundSystem allows improved supply of coolant to the surface in grinding surface of the grinding wheel and ei ⁇ ne improved removal of chips forming during grinding.
- a further advantage is that the service life of the same can be increased with a grinding wheel designed in accordance with the invention and thus tool costs can be reduced.
- the abrasive grains are applied to the surface of the grinding wheel base body in such a way that the number of abrasive grains is approximately constant for each region of the grinding wheel surface which is effectively in grinding engagement with a constant width.
- a larger number of abrasive grains are positioned in predetermined macro regions of the surface of the grinding wheel base body than in other predetermined macro-regions of the surface, wherein the position and / or the distance and / or the number of abrasive grains on the Surface of the grinding wheel base body is matched to the workpiece contour to be generated by grinding.
- FIG. 1 shows a partial cross-section through a grinding wheel together with a workpiece to be machined by grinding
- FIG. 2 is a schematic plan view of the surface of a grinding wheel according to the invention.
- FIG. 3 shows a schematic plan view of the surface of a further grinding wheel according to the invention.
- FIG. 4 shows a schematic plan view of the surface of a further grinding wheel according to the invention.
- FIG. 1 shows a highly schematic representation of a detail of a grinding wheel 10 together with a workpiece 11 to be processed by grinding.
- the grinding wheel 10 is rotationally driven in the direction of the arrow 12 and in the direction of the arrow 13 moves relative to the workpiece 11.
- the movement in the direction of the arrow 13 is referred to as a feed movement.
- a section or area 16 bounded by the points 14 and 15 of the surface 17 of the grinding wheel 10 engages the workpiece 11 in an effective grinding engagement.
- the grinding wheel 10 has a preferably metallic grinding wheel base body as well as abrasive grains applied to the surface of the grinding wheel base body.
- the abrasive grains are preferably formed of cubic boron nitride.
- the abrasive grains are applied to the surface of the grinding wheel base body in such a way that the number of abrasive grains is approximately constant for each effective region of the grinding wheel surface 17 that is in grinding engagement with a constant width.
- a larger number of abrasive grains are preferably positioned in predetermined macro-regions of the surface of the grinding-wheel base body, as in other predetermined macro-regions of the surface.
- macro-areas with abrasive grains and macro areas without abrasive grains can mutually join one another on the surface of the grinding wheel base body.
- FIG. 2 shows a possible arrangement of the abrasive grains on the surface of the grinding wheel base body.
- macro-areas 18 with abrasive grains and macro-areas 19 without abrasive bodies are formed on the surface of the grinding-wheel base body.
- the macro-areas 18 and 19 extend diagonally across the surface 17 of the grinding-wheel base body, with a macro-area 19 without abrasive grains running between two neighboring macro-areas 18 with abrasive grains.
- the abrasive grains are in each case distributed uniformly, that is, in the same number and at the same distance from each other, positioned on the surface of the grinding-wheel base body. There are no abrasive grains in the macro regions 19.
- FIG. 3 An alternative arrangement of the abrasive grains on the surface of the grinding wheel base body is shown in FIG. 3. Also in the exemplary embodiment of FIG. 3, macroareas 20 with abrasive grains and macrobatches 21 without abrasive grains are again formed. The macro-regions 20 with abrasive grains run diagonally crosswise over the surface of the grinding-wheel base body and enclose rectangular or diamond-shaped macro-regions 21 without abrasive grains. In the macro-areas 20 are the In turn, abrasive grains are evenly distributed, ie with an equal number and the same distance from each other, positioned.
- FIG. 4 shows a further possible arrangement of abrasive grains on the surface of the grinding wheel main body.
- first macro regions 22 with abrasive grains extend annularly on the surface of the grinding wheel main body, with a macro-region between each two adjacent macro-regions 22 with abrasive grains 23 is included without abrasive grains, and wherein the Makroberei ⁇ surface 23 are also formed without abrasive grains ring segment.
- a second macro region 24 of abrasive grains extends over the surface over the surface of the abrasive wheel body, with the second macro-region 24 intersecting the macro-regions 22 and 23. In the macro region 24, a larger number of abrasive grains are positioned opposite the macro regions 22.
- macro-areas are defined which are positioned by the number of areas in the macro-areas Differentiate abrasive grains.
- macro-areas 19, 21 and 23 no abrasive grains are present in the exemplary embodiments of FIGS. 2 to 4, these macro-regions of the feed of a coolant and of the discharge serving to form chips forming during grinding.
- the macro-areas 18, 20, 22 and 24, however, have abrasive grains.
- a larger number of abrasive grains may be provided in macro regions 24, as in macrobatches 22.
- the specific arrangement of the abrasive grains on the surface of the grinding wheel base body is preferably carried out in the sense of the present invention such that the distribution of the abrasive grains corresponds to the contour to be generated by means of the grinding wheel in the workpiece to be machined.
- the position and the distance and the number of Schleifkör ⁇ ner on the surface of the grinding wheel base body is then tuned to the workpiece contour to be generated by grinding.
- a method for producing a grinding wheel according to the invention comprises at least the following steps: a) providing a grinding wheel base body of preferably metal; b) Providing abrasive grains of preferably cubic boron nitride; c) applying the abrasive grains with a defined position and with a defined distance from each other on the surface of the grinding wheel base body.
- the procedure is in detail vorzugswei ⁇ se so that the metallic grinding wheel base body and optionally the abrasive grains of preferably cubic boron nitride before the application of the abrasive grains on the grinding wheel base are ver ⁇ nickelt.
- the nickel-plated grinding wheel main body is preferably heated partially or partially at the surface by partial laser irradiation, and the abrasive grains are applied to these heated macro regions of the surface.
- the abrasive grains adhere to the surface of the grinding wheel base body in the heated macro-regions.
- the abrasive grains of cubic boron nitride adhere to the surface of the grinding wheel base body in the predetermined macro-regions.
- nickel plating or sintering takes place in a chemical or galvanic way.
- abrasive grains conventionally to the entire surface of the grinding wheel main body, and then work out, for example by laser ablation, the macro regions without abrasive grains or with a smaller number of abrasive grains ,
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004042384A DE102004042384A1 (de) | 2004-09-02 | 2004-09-02 | Schleifscheibe und Verfahren zur Herstellung derselben |
PCT/DE2005/001502 WO2006024274A1 (de) | 2004-09-02 | 2005-08-26 | Schleifscheibe und verfahren zur herstellung derselben |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1786596A1 true EP1786596A1 (de) | 2007-05-23 |
EP1786596B1 EP1786596B1 (de) | 2010-01-06 |
Family
ID=35311796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05779274A Not-in-force EP1786596B1 (de) | 2004-09-02 | 2005-08-26 | Verfahren zur herstellung einer schleifscheibe |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080163558A1 (de) |
EP (1) | EP1786596B1 (de) |
AT (1) | ATE454245T1 (de) |
DE (2) | DE102004042384A1 (de) |
ES (1) | ES2335598T3 (de) |
WO (1) | WO2006024274A1 (de) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2438488A1 (de) * | 1974-08-10 | 1976-02-19 | Winter & Sohn Ernst | Verfahren zum herstellen eines spanwerkzeuges, insbesondere schleifwerkzeuges und danach hergestelltes erzeugnis |
DE2601788A1 (de) * | 1976-01-20 | 1977-07-21 | Effgen Fa Guenter | Schleifscheibe o.dgl. |
JPS6080562A (ja) * | 1983-10-07 | 1985-05-08 | Disco Abrasive Sys Ltd | 電着砥石 |
GB8826305D0 (en) * | 1988-11-10 | 1988-12-14 | De Beers Ind Diamond | Shaping of bonded abrasive products |
DE3912681A1 (de) * | 1989-04-18 | 1990-10-25 | Winter & Sohn Ernst | Verfahren zum galvanischen beschichten von segmentflaechen, die auf der oberflaeche eines grundkoerpers angeordnet sind und danach hergestellte erzeugnisse |
DE4129486C1 (de) * | 1991-09-05 | 1992-09-17 | Kapp & Co Werkzeugmaschinenfabrik, 8630 Coburg, De | |
JPH09190626A (ja) * | 1995-11-10 | 1997-07-22 | Kao Corp | 研磨材組成物、磁気記録媒体用基板及びその製造方法並びに磁気記録媒体 |
DE19643113A1 (de) * | 1996-10-21 | 1998-04-30 | Diamant Boart Sa | Schleifscheibe zur Randbearbeitung von optischen Linsen aus Kunststoff, Verfahren zur Herstellung von Schleifscheiben und Verfahren zum Konturschleifen von optischen Kunststofflinsen |
US6024824A (en) * | 1997-07-17 | 2000-02-15 | 3M Innovative Properties Company | Method of making articles in sheet form, particularly abrasive articles |
DE19902077A1 (de) * | 1999-01-20 | 2000-07-27 | Dia Lux Diamantwerkzeuge Gmbh | Schleif- oder Schneidwerkzeug |
WO2004094111A1 (de) * | 2003-04-24 | 2004-11-04 | Empa Eidgenössische Materialprüfungs- Und Forschungsanstalt | Verfahren zur herstellung eines abrasiven werkzeugs |
-
2004
- 2004-09-02 DE DE102004042384A patent/DE102004042384A1/de not_active Withdrawn
-
2005
- 2005-08-26 AT AT05779274T patent/ATE454245T1/de not_active IP Right Cessation
- 2005-08-26 WO PCT/DE2005/001502 patent/WO2006024274A1/de active Application Filing
- 2005-08-26 EP EP05779274A patent/EP1786596B1/de not_active Not-in-force
- 2005-08-26 DE DE502005008836T patent/DE502005008836D1/de active Active
- 2005-08-26 ES ES05779274T patent/ES2335598T3/es active Active
- 2005-08-26 US US11/661,181 patent/US20080163558A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2006024274A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1786596B1 (de) | 2010-01-06 |
DE102004042384A1 (de) | 2006-03-09 |
WO2006024274A1 (de) | 2006-03-09 |
ATE454245T1 (de) | 2010-01-15 |
US20080163558A1 (en) | 2008-07-10 |
ES2335598T3 (es) | 2010-03-30 |
DE502005008836D1 (de) | 2010-02-25 |
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