EP2335877A2 - Meule à éventail pour l'utilisation sur des meuleuses stationnaires - Google Patents

Meule à éventail pour l'utilisation sur des meuleuses stationnaires Download PDF

Info

Publication number: EP2335877A2
Authority: EP; European Patent Office
Prior art keywords: edge; grinding; central axis; corner; grinding wheel
Prior art date: 2009-12-15
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

Application number

EP10190651A

Other languages

German (de)

English (en)

Other versions

EP2335877A3 (fr

EP2335877B1 (fr

Inventor

Olaf Schweitzer

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.)

2009-12-15

Filing date

2010-11-10

Publication date

2011-06-22

2010-11-10 Application filed by August Rueggeberg GmbH and Co KG filed Critical August Rueggeberg GmbH and Co KG

2010-11-10 Priority to PL10190651T priority Critical patent/PL2335877T3/pl

2011-06-22 Publication of EP2335877A2 publication Critical patent/EP2335877A2/fr

2013-11-20 Publication of EP2335877A3 publication Critical patent/EP2335877A3/fr

2017-01-04 Application granted granted Critical

2017-01-04 Publication of EP2335877B1 publication Critical patent/EP2335877B1/fr

Status Not-in-force legal-status Critical Current

2030-11-10 Anticipated expiration legal-status Critical

Links

241000446313 Lamella Species 0.000 claims abstract description 9
239000011248 coating agent Substances 0.000 claims description 6
238000000576 coating method Methods 0.000 claims description 6
239000000853 adhesive Substances 0.000 description 2
230000001070 adhesive effect Effects 0.000 description 2
239000000463 material Substances 0.000 description 2
230000002093 peripheral effect Effects 0.000 description 2
238000011076 safety test Methods 0.000 description 2
239000006061 abrasive grain Substances 0.000 description 1
238000004026 adhesive bonding Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
239000004744 fabric Substances 0.000 description 1
229920003002 synthetic resin Polymers 0.000 description 1
239000000057 synthetic resin Substances 0.000 description 1

Images

Classifications

- 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
- B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
- B24D13/16—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips

Definitions

the invention relates to a fan grinding wheel for use on stationary grinding machines.
fan grinding wheels For use on hand-held grinding machines numerous different fan grinding wheels are known, as for example in the EP 1 859 905 A2 , of the WO 2008/083994 A1 and the EP 1 142 673 B1 are described. These fan-grinding wheels are characterized in that they are designed for use on a workpiece, wherein the axis of the grinding machine is not perpendicular to the surface to be machined on the workpiece, but at an angle. The use is thus oblique to the workpiece.
the grinding lamellae have in all cases triangular shape, albeit with different edge progressions.
the abrasive flaps are mounted on a support plate having an inner hub and an annular edge region, a Kröpfungs Suite between the annular edge region and the hub.
the edge region carrying the abrasive lamellae is inclined radially outward against the annular web.
Known fan grinding wheel is the section of the triangular grinding lamellae such that thickened in a still unused grinding wheel of the abrasive lamella pad radially to the center axis from the inside out.
the grinding insert surface is therefore even and perpendicular to the center axis in an unused grinding wheel.
a hand-held grinding machine with obliquely to the workpiece surface to be ground running center axis in the outer region of the grinding blade lining particularly much abrasive blade material is concentrated.
the support plate having an annular edge region which is provided with an axis perpendicular to the central axis annular surface.
grinding lamellae are fastened in the form of circular-ring sectors, which thus have inner ring-shaped inner edges and outer edges and which-with respect to the working rotational direction-each have a leading edge and a trailing edge which run radially to the central axis.
the grinding insert surface of the grinding lamella coating thus also runs in a plane perpendicular to the central axis.
Fan grinding wheels must achieve a peripheral speed in the so-called fracture safety test that is 1.73 times the peripheral speed for which the fan grinding wheel is approved. Fan grinding wheels of the above type reliably achieve this breakage speed only with relatively low abrasive coating. The abrasive coating is essential for the life of the grinding wheel and their removal rate.
the invention has for its object to provide a fan grinding wheel for use on stationary grinding machines, whose service life and removal rate is particularly high.
a fan-grinding wheel has a support plate 1 with a hub 2 with a central, circular opening 3 on.
the support plate 1 is rotationally symmetrical to a central axis 4 is formed.
the support plate 1 has an outer annular edge region 5 for receiving grinding lamellae 6.
This edge region 5 is connected to the hub 2 via a projecting in the direction of the central axis 4 of the support plate 1 annular web 7, which forms a Kröpfungs Surrey.
the support plate 1 is thus formed in one piece.
the edge region 5 is located in a perpendicular to the central axis 4 extending (imaginary) first plane 8.
the grinding blades 6 are mounted on a lying in the first plane 8 annular surface 9 of the edge region 5, wherein the hub 2 with the opening 3 with respect to this Ring surface 9 is reset.
the grinding blades 6 are arranged on the support plate 1 such that the height h of the grinding blade pad 10 on the edge region 5 radially to the center axis 4 is the same everywhere.
this means that the grinding insert surface 11 of the grinding wheel is also again in a plane perpendicular to the central axis 4 (imaginary) second plane 12, which is parallel to the first plane 8, wherein the height h is the distance of the first plane eighth and the second plane 12 corresponds to each other in the direction of the center axis 4.
the abrasive flake pad 10 thus has substantially the shape of a cylindrical annular disc.
the shape of the grinding blades 6 results from FIG. 3 , They have a circular-segment-shaped inner edge 13 and a circular-segment-shaped outer edge 14.
the inner edge 13 has an inner radius of curvature ri to the central axis 4;
the outer edge 14 has an outer radius of curvature ra to the central axis 4.
the inner edge 13 is connected to the outer edge 14 by means of a straight front edge 15 and a likewise rectilinear trailing edge 16.
the front edge 15 and the inner edge 13 intersect at a front inner corner 17.
the outer edge 14 and the front edge 15 intersect at a front outer corner 18.
the inner edge 13 and the trailing edge 16 intersect at a rear inner corner 19, and the outer edge 14 and the trailing edge 16 intersect at a rear outer corner 20.
the front edge 15 of the grinding blade 6 extends - based on a working direction of rotation 21 of the grinding wheel - leading from the front inner corner 17 to the front outer corner 18.
the trailing edge 16 is - also based on the working direction of rotation 21 - leading from the rear inner corner 19 to the rear outer corner 20 formed out.
a directed from the central axis 4 through the front outer corner 18 first radial beam 22 and directed from the central axis 4 through the front inner corner 17 second radial beam 23 enclose an angle ⁇ .
An angle ⁇ is included between the second radial beam 23 and a third radial beam 24, the third radial beam 24 being directed from the central axis 4 through the rear inner corner 19. From the center axis 4, a fourth radial beam 25 passes through the rear outer corner 20 of the grinding lamella 6.
the - with respect to the direction of rotation 21 - trailing third radial beam 24 includes the leading edge against this fourth radial beam 25 an angle ⁇ .
the grinding blades 6 are arranged at equal angular intervals over the circumference of the edge region 5 to a circular ring, wherein adjacent grinding blades 6 overlap each other such that only the trailing edges 16 and - related to the direction of rotation 21 - not covered by the respective next preceding sanding blades 6 , the respective trailing edge 16 adjacent areas to the grinding insert surface 11 are exposed.
the entirety of the grinding lamellae 6 forms the abrasive lamella coating 10, which is annular.
the degree of overlap of the grinding blades 6 is basically free to choose; in FIG. 1 is shown hatched for illustrative purposes only, how many grinding blades 6 can overlap each other.
the circular outer edge 26 of the grinding blade pad 10 is - as FIG. 2 is removable - radially to the central axis 4 to a small extent on the outer edge 27 of the support plate 1 before.
the circular inner edge 28 of the abrasive lamella pad 10 is located radially slightly outside the Kröpfungs Kunststoffs. 7
the abrasive flaps 6 are cut in the usual way from so-called abrasive belt, which is formed from a base in the form of paper, fabric, non-woven or the like and is applied on one side of the abrasive grain by a synthetic resin bond.
the attachment of the grinding blades 6 on the annular surface 9 also takes place in the usual way by means of an adhesive, wherein from the Figures 3 and 4 also the annular, applied to the annular surface 9 adhesive traces 29 can be seen.
FIG. 5 it can be seen how when using a grinding wheel on a stationary grinding machine 30, a workpiece 31 in the direction of the central axis 4 against the grinding insert surface 11 of the grinding blade pad 10 is applied. Unlike hand-held grinding machines, the grinding wheel is thus not slanted against the workpiece, but the workpiece 31 is attached in the direction of the central axis 4 against the perpendicular thereto insert surface 11. The wear of the abrasive blade pad 10 is thus due to its constant height h in the radial direction completely uniformly in the direction of the central axis 4. The abrasive pad 10 can therefore be processed completely.

Landscapes

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

EP10190651.9A 2009-12-15 2010-11-10 Meule à éventail pour l'utilisation sur des meuleuses stationnaires Not-in-force EP2335877B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL10190651T PL2335877T3 (pl)	2009-12-15	2010-11-10	Listkowa tarcza szlifierska do zastosowania w szlifierkach stacjonarnych

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102009054696A DE102009054696A1 (de)	2009-12-15	2009-12-15	Fächer-Schleifscheibe für den Einsatz an stationären Schleifmaschinen

Publications (3)

Publication Number	Publication Date
EP2335877A2 true EP2335877A2 (fr)	2011-06-22
EP2335877A3 EP2335877A3 (fr)	2013-11-20
EP2335877B1 EP2335877B1 (fr)	2017-01-04

Family

ID=43856192

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP10190651.9A Not-in-force EP2335877B1 (fr)	2009-12-15	2010-11-10	Meule à éventail pour l'utilisation sur des meuleuses stationnaires

Country Status (4)

Country	Link
EP (1)	EP2335877B1 (fr)
DE (1)	DE102009054696A1 (fr)
ES (1)	ES2616060T3 (fr)
PL (1)	PL2335877T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012055671A1 (fr) *	2010-10-26	2012-05-03	Lukas-Erzett Vereinigte Schleif- Und Fräswerkzeugfabriken Gmbh & Co. Kg	Lamelle de meulage destinée à être disposée sur une meule entraînée en rotation autour d'un axe de rotation
EP3892421A1 (fr)	2020-04-07	2021-10-13	VK Investment GmbH	Tampon de broyage, corps de support de tampon de broyage et meule

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE202013105892U1 (de)	2013-12-20	2014-03-13	Heinrich Kreeb Gmbh & Co. Kg	Schleifkörper

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1142673B1 (fr)	2000-04-03	2005-07-20	LUKAS-ERZETT VEREINIGTE SCHLEIF - UND FRÄSWERKZEUG-FABRIKEN GmbH & CO. KG	Lamelle de meulage et disque de meulage comprenant plusieurs de ces lamelles
EP1859905A2 (fr)	2006-05-23	2007-11-28	August Rüggeberg GmbH & Co. KG	Disque abrasif en eventail
WO2008083994A1 (fr)	2007-01-12	2008-07-17	Rhodius Schleifwerkzeuge Gmbh & Co. Kg	Meule à lamelles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2907147A (en) *	1957-12-23	1959-10-06	F L & J C Codman Company	Radial face rotary buffing element
DE4020461C1 (en) *	1990-06-27	1991-07-18	Gerd Eisenblaetter Gmbh, 8192 Geretsried, De	Face grinding disc tool - has replaceable grinding disc with backing disc having plastics rods
DE202007007839U1 (de) *	2007-06-01	2008-07-03	Düppe, Götz	Lamellenschleifscheibe

2009
- 2009-12-15 DE DE102009054696A patent/DE102009054696A1/de not_active Withdrawn
2010
- 2010-11-10 ES ES10190651.9T patent/ES2616060T3/es active Active
- 2010-11-10 PL PL10190651T patent/PL2335877T3/pl unknown
- 2010-11-10 EP EP10190651.9A patent/EP2335877B1/fr not_active Not-in-force

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1142673B1 (fr)	2000-04-03	2005-07-20	LUKAS-ERZETT VEREINIGTE SCHLEIF - UND FRÄSWERKZEUG-FABRIKEN GmbH & CO. KG	Lamelle de meulage et disque de meulage comprenant plusieurs de ces lamelles
EP1859905A2 (fr)	2006-05-23	2007-11-28	August Rüggeberg GmbH & Co. KG	Disque abrasif en eventail
WO2008083994A1 (fr)	2007-01-12	2008-07-17	Rhodius Schleifwerkzeuge Gmbh & Co. Kg	Meule à lamelles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012055671A1 (fr) *	2010-10-26	2012-05-03	Lukas-Erzett Vereinigte Schleif- Und Fräswerkzeugfabriken Gmbh & Co. Kg	Lamelle de meulage destinée à être disposée sur une meule entraînée en rotation autour d'un axe de rotation
US9056388B2 (en)	2010-10-26	2015-06-16	Lukas-Erzett Vereinigte Schleif-Und Fraswerkzeugfabriken Gmbh & Co. Kg	Grinding lamella for arrangement on a grinding wheel which can be driven in rotation about an axis of rotation
EP3892421A1 (fr)	2020-04-07	2021-10-13	VK Investment GmbH	Tampon de broyage, corps de support de tampon de broyage et meule

Also Published As

Publication number	Publication date
PL2335877T3 (pl)	2017-07-31
EP2335877A3 (fr)	2013-11-20
EP2335877B1 (fr)	2017-01-04
DE102009054696A1 (de)	2011-06-16
ES2616060T3 (es)	2017-06-09

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