EP1142673A2 - Lamelle de meulage et disque de meulage comprenant plusieurs de ces lamelles - Google Patents

Lamelle de meulage et disque de meulage comprenant plusieurs de ces lamelles Download PDF

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Publication number
EP1142673A2
EP1142673A2 EP01106622A EP01106622A EP1142673A2 EP 1142673 A2 EP1142673 A2 EP 1142673A2 EP 01106622 A EP01106622 A EP 01106622A EP 01106622 A EP01106622 A EP 01106622A EP 1142673 A2 EP1142673 A2 EP 1142673A2
Authority
EP
European Patent Office
Prior art keywords
edge
sanding
grinding
flap
radius
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
Application number
EP01106622A
Other languages
German (de)
English (en)
Other versions
EP1142673A3 (fr
EP1142673B1 (fr
Inventor
Georg Dipl.-Ing. Klug
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.)
Lukas-Erzett Vereinigte Schleif - und Fraswerkzeug-Fabriken & Co KG GmbH
Original Assignee
Lukas-Erzett Vereinigte Schleif - und Fraswerkzeug-Fabriken & Co KG GmbH
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
Application filed by Lukas-Erzett Vereinigte Schleif - und Fraswerkzeug-Fabriken & Co KG GmbH filed Critical Lukas-Erzett Vereinigte Schleif - und Fraswerkzeug-Fabriken & Co KG GmbH
Priority to SI200130357T priority Critical patent/SI1142673T1/xx
Publication of EP1142673A2 publication Critical patent/EP1142673A2/fr
Publication of EP1142673A3 publication Critical patent/EP1142673A3/fr
Application granted granted Critical
Publication of EP1142673B1 publication Critical patent/EP1142673B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B24D11/008—Finishing manufactured abrasive sheets, e.g. cutting, deforming
    • 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 grinding flap and a grinding plate with a plurality of such on a plate-shaped Carrier, in particular for grinding tools that can be driven in rotation.
  • a grinding plate which one centered on an axis and rotatable plate-shaped Carrier with a hub section arranged around the axis and with an annular support portion arranged around it includes.
  • the hub section has a bore for the passage of a fastening element for fastening on a work spindle of a work machine.
  • an annular covering which consists of individual Abrasive flap is formed, attached by means of an adhesive.
  • the grinding lamellae are trapezoidal and overlapping each other like roof tiles on the ring-shaped one Carrier section arranged. Due to the trapezoidal shape of the grinding flaps cannot be cut in the subsequent cut be cut from a continuous tape. Further is a large number of such grinding flaps is required to occupy the annular support portion, which is relative large angle of attack for each individual grinding flap As a result, the sanding disc over the entire cross-section is relatively thick.
  • the object of the present invention is, on the one hand Propose grinding flap, minimal in their manufacture There is waste, and on the other hand a sanding disc too create that requires a small number of grinding flaps and a high degree of coverage in the edge area of Has grinding flaps.
  • Another advantage is that the degree of coverage of such a grinding flap comprehensive Sanding pads in the edge area, i.e. wherever in operation of the tool the highest speeds occur and furthermore, the main working zone is maximum.
  • the grinding flaps are characterized in that the radii of the third Edges and arcs describing the fourth edges approximately correspond to the nominal outside radius of the sanding plate. In particular it is envisaged that an applied to the third edge Tangent at the transition point to the second edge approximates this is. It is also provided that these second edges one grinding flap each adjacent to and within the outer contour of the grinding plate are arranged.
  • the distances between the first edge and the parallel, which is defined by the center points, the circular arcs describing the third and fourth edges, and between this and the second edge are different. It is advantageous in this embodiment that the grinding flaps are given a sickle shape, the pointed ends of which, formed between the second and fourth edges, are further away from the axis of the grinding plate, in contrast to the blunt ends defined by the first edge. In a preferred embodiment of the invention, it is provided that the distance between the first edge and the second edge is equal to or greater than the radius of the circular arcs describing the third edge and the fourth edge.
  • the advantage of wide grinding flaps with a large distance between the first and the second edge lies in the fact that only a small number of these are required in order to achieve a certain degree of coverage and a certain thickness of the covering for grinding plates formed from the grinding flaps.
  • the first edge is not contained in the parallel defined by the center points, but is at a distance from it.
  • a preferred development of the invention is characterized in that the length of the first or second edges corresponds approximately to the width of the annular carrier section. This ensures that the entire width of the plate-shaped carrier can be used during the grinding process.
  • the number the grinding flaps connected to the plate-shaped carrier is between 10 and 40.
  • the grinding flap becomes the thickness of the grinding plate and the angle of attack of the individual Sanding flaps influenced.
  • a preferred embodiment is characterized in that that the grinding flaps by means of an adhesive or a Cast resin are connected to the carrier portion of the carrier.
  • the sickle shape of the grinding lamella offers the special Advantage that the grinding flaps cover almost the entire length of the concave fourth edges with the support section can be glued.
  • a simple and inexpensive manufacture of the individual Grinding flaps result from the fact that these are from one continuous belt with a defined width by means of a Cutting tool to be cut. The corresponds to Width of the band between the first and the second edge the distance formed by the grinding flap.
  • a preferred embodiment is schematic in the drawing shown.
  • the grinding flap 1 can be seen from FIG. This has a straight first edge 2, a straight second edge 3 lying opposite and parallel to it, a convex third edge 4 extending in a circular arc around a first center M 1 , and a concave fourth edge lying parallel to this and running in a circular arc around a second center M 2 Edge 5.
  • the arcs of the third edge 4 and the fourth edge 5 have the same radius R.
  • the center points M 1 , M 2 are offset on the straight line (parallels) g to the first edge 2 and the second edge 3, respectively , so that the length of these edges 2, 3 corresponds to the distance between the center points M 1 , M 2 .
  • the grinding flap 1 is designed in such a way that the convex third edge 4 merges into the straight second edge 3.
  • the second edge 3 is arranged within the circle, which is described by an arc with radius R around the center M 1 , but is directly adjacent to it.
  • the distance A between the first edge 2 and the second edge 3 is greater than the radius R of the circle, so that an offset B is formed between the first edge 2 and the parallel g.
  • FIG. 2 shows a band 6 with two delimiting edges 7, 8 arranged parallel to one another, which define the width A of the band.
  • the belt 6 is cut off intermittently by means of a cutting tool with constant feed.
  • the third edge 4, the grinding flap 1 cut off first simultaneously represents the fourth edge 5 'of the following grinding flap to be cut off the length of the first edge 2 and the second edge 3 1 1 '.
  • the center M of the through the circle described with a radius R lies within the width A of the band 6, adjacent to the second edge 8.
  • the grinding disks 1, 1 ', 1 ", 1"" are arranged such that they overlap one another arcuate third edges 4 form the outer contour of the ring 9.
  • the inner radius of the ring 9 is defined by the shortest distance between the concave fourth edges 5 and the center M 1 . It can be seen that the fourth edges 5 move away from the center M 1 starting from the point of contact with the inner radius toward the second edge 3. It follows from this that the overlap area 10 of two abrasive lamellae 1, 1 '''which overlap like a roof tile lies in the outer area of the ring 9. Consequently, in the case of a large number of grinding flaps, the degree of coverage, ie the number of overlapping grinding flaps 1, increases from the inner radius to the outer radius of the ring 9.
  • FIG. 4 shows a grinding plate 11 according to the invention Partial grinding flaps 1 in perspective view cut out.
  • This includes a plate-shaped carrier 12, which is arranged centered on an axis x and one Hub section 13 with a centered on the axis x Hole 14 and an adjoining this has annular support portion 15, further an annular Protective element 16 and grinding lamellae 1.
  • the plate-shaped Carrier 12 can be made of metal, from resin-bonded abrasive fiber layers or consist of a volcanic fiber. He is drivable about the axis x by a work machine.
  • the bore 14 of the hub portion 13 is for the passage a fastening element, not shown, for fastening of the grinding plate 11 on a work spindle of the working machine intended.
  • the annular protective element 16 is arranged around the outer circumference of the plate-shaped carrier 12. It has an essentially L-shaped cross section, so that it delimits the plate-shaped carrier 12 in the radial direction.
  • the protective element 16 is made of plastic and serves to damage the workpiece surface to be machined, especially at large angles of attack Sanding pads to prevent.
  • the grinding flaps 1 On the annular support section 15 of the support 12 are the grinding flaps 1 overlapping one another like roof tiles attached by means of an adhesive or a casting resin.
  • the Outside diameter of the formed by the grinding flaps 1 Ring is slightly larger than the outside diameter of the Carrier 12 together with the annular protective element 16. This has the advantage of being used in the grinding process large angle of attack of the grinding plate 11 the plate-shaped Carrier 12 or the protective element 8 is not in contact with the workpiece to be machined. It can be seen that the degree of coverage of the overlapping grinding flaps 1 starting from the axis x towards the outer radius of the Grinding plates 11 increases. This is particularly advantageous because the highest path speeds, especially in the edge region of the grinding plate 11 and thus the main processing zone is located.
  • the cross-sectional shape of the coverage area 10 of the grinding flaps 1 is therefore the degree of wear during operation of the Adjusted grinding plates 11. This has a long service life for the Grinding plates 11 result.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Pinball Game Machines (AREA)
  • Road Paving Structures (AREA)
EP01106622A 2000-04-03 2001-03-16 Lamelle de meulage et disque de meulage comprenant plusieurs de ces lamelles Expired - Lifetime EP1142673B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200130357T SI1142673T1 (en) 2000-04-03 2001-03-16 Grinding flap and Grinding disc having a plurality of such flaps

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20006127U 2000-04-03
DE20006127U DE20006127U1 (de) 2000-04-03 2000-04-03 Schleiflamelle und Schleifteller mit einer Mehrzahl von solchen

Publications (3)

Publication Number Publication Date
EP1142673A2 true EP1142673A2 (fr) 2001-10-10
EP1142673A3 EP1142673A3 (fr) 2003-12-17
EP1142673B1 EP1142673B1 (fr) 2005-07-20

Family

ID=7939743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106622A Expired - Lifetime EP1142673B1 (fr) 2000-04-03 2001-03-16 Lamelle de meulage et disque de meulage comprenant plusieurs de ces lamelles

Country Status (7)

Country Link
EP (1) EP1142673B1 (fr)
AT (1) ATE299781T1 (fr)
DE (2) DE20006127U1 (fr)
DK (1) DK1142673T3 (fr)
ES (1) ES2242669T3 (fr)
PT (1) PT1142673E (fr)
SI (1) SI1142673T1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007101589A2 (fr) * 2006-03-03 2007-09-13 Lukas-Erzett Vereinigte Schleif-und Fräswerkzeugfabriken GmbH & Co. KG Lamelle de polissage et meule comportant cette lamelle
WO2008037320A1 (fr) * 2006-09-25 2008-04-03 Lukas-Erzett Vereinigte Schleif- Und Fräswerkzeugfabriken Gmbh & Co. Kg Lamelle de meulage et meule comportant cette lamelle
CN101077571B (zh) * 2006-05-23 2010-06-16 奥古斯特吕格贝格有限及两合公司 风扇式研磨轮
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
DE102008011570B4 (de) 2008-02-28 2019-08-22 Lukas-Erzett Vereinigte Schleif- Und Fräswerkzeugfabriken Gmbh & Co. Kg Schleifelement, Schleifwerkzeug mit Schleifelement und Verfahren zur Herstellung eines Schleifelements
US11667010B2 (en) 2012-09-18 2023-06-06 Ppm Gmbh Abrasive flap disc

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106631A1 (de) * 2001-02-12 2002-08-22 Rueggeberg August Gmbh & Co Tragteller für Fächerschleifscheibe und Fächerschleifscheibe
DE202006020390U1 (de) 2006-05-23 2008-06-19 August Rüggeberg Gmbh & Co. Kg Fächer-Schleifscheibe
DE102007002643A1 (de) * 2007-01-12 2008-07-17 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Lamellenschleifscheibe
DE102009054696A1 (de) 2009-12-15 2011-06-16 August Rüggeberg Gmbh & Co. Kg Fächer-Schleifscheibe für den Einsatz an stationären Schleifmaschinen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212062A1 (fr) * 1985-07-18 1987-03-04 Gerd Eisenblätter Machine à rectifier les surfaces
JPH04283077A (ja) * 1991-03-05 1992-10-08 Nippon Coated Abureeshibu Kk 研磨ディスク

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212062A1 (fr) * 1985-07-18 1987-03-04 Gerd Eisenblätter Machine à rectifier les surfaces
JPH04283077A (ja) * 1991-03-05 1992-10-08 Nippon Coated Abureeshibu Kk 研磨ディスク

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 083 (M-1369), 18. Februar 1993 (1993-02-18) & JP 04 283077 A (NIHON KOOTETSUDO ABUREESHIBU KK), 8. Oktober 1992 (1992-10-08) *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007101589A2 (fr) * 2006-03-03 2007-09-13 Lukas-Erzett Vereinigte Schleif-und Fräswerkzeugfabriken GmbH & Co. KG Lamelle de polissage et meule comportant cette lamelle
WO2007101589A3 (fr) * 2006-03-03 2007-10-11 Lukas Erzett Schleif Fraes Lamelle de polissage et meule comportant cette lamelle
JP2009528174A (ja) * 2006-03-03 2009-08-06 ルーカス−エルツェット フェアイニクテ シュライフ−ウント フレスヴェルクツォイクファブリケン ゲーエムベーハー ウント ツェーオー．カーゲー 研削ディスク及びこれを保持する研削砥石
CN101437654B (zh) * 2006-03-03 2012-02-22 德国Lukas-Erzett磨料磨具有限公司 磨盘及保持该磨盘的磨轮
US8360830B2 (en) 2006-03-03 2013-01-29 Lukas-Erzett Vereinigte Schleif-und Fräswerkzeugfabriken GmbH & Co. KG Grinding lamella and grinding wheel holding same
CN101077571B (zh) * 2006-05-23 2010-06-16 奥古斯特吕格贝格有限及两合公司 风扇式研磨轮
TWI408026B (zh) * 2006-05-23 2013-09-11 August Ruggeberg Gmbh & Co Kg 風扇式研磨輪
WO2008037320A1 (fr) * 2006-09-25 2008-04-03 Lukas-Erzett Vereinigte Schleif- Und Fräswerkzeugfabriken Gmbh & Co. Kg Lamelle de meulage et meule comportant cette lamelle
DE102008011570B4 (de) 2008-02-28 2019-08-22 Lukas-Erzett Vereinigte Schleif- Und Fräswerkzeugfabriken Gmbh & Co. Kg Schleifelement, Schleifwerkzeug mit Schleifelement und Verfahren zur Herstellung eines Schleifelements
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
US11667010B2 (en) 2012-09-18 2023-06-06 Ppm Gmbh Abrasive flap disc

Also Published As

Publication number Publication date
DE50106751D1 (de) 2005-08-25
SI1142673T1 (en) 2005-10-31
EP1142673A3 (fr) 2003-12-17
DE20006127U1 (de) 2000-07-06
ATE299781T1 (de) 2005-08-15
PT1142673E (pt) 2005-10-31
DK1142673T3 (da) 2005-11-14
EP1142673B1 (fr) 2005-07-20
ES2242669T3 (es) 2005-11-16

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