EP1859905B1 - Disque abrasif en eventail - Google Patents

Disque abrasif en eventail Download PDF

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Publication number
EP1859905B1
EP1859905B1 EP06026974A EP06026974A EP1859905B1 EP 1859905 B1 EP1859905 B1 EP 1859905B1 EP 06026974 A EP06026974 A EP 06026974A EP 06026974 A EP06026974 A EP 06026974A EP 1859905 B1 EP1859905 B1 EP 1859905B1
Authority
EP
European Patent Office
Prior art keywords
fan
grinding wheel
wheel according
edge
type 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.)
Active
Application number
EP06026974A
Other languages
German (de)
English (en)
Other versions
EP1859905A3 (fr
EP1859905A2 (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.)
Filing date
Publication date
Application filed by August Rueggeberg GmbH and Co KG filed Critical August Rueggeberg GmbH and Co KG
Priority to PL06026974T priority Critical patent/PL1859905T3/pl
Priority to TW096114026A priority patent/TWI408026B/zh
Priority to CA2586791A priority patent/CA2586791C/fr
Priority to RU2007117362/02A priority patent/RU2424890C2/ru
Priority to BRPI0702553-0A priority patent/BRPI0702553B1/pt
Priority to MX2007006000A priority patent/MX2007006000A/es
Priority to AU2007202297A priority patent/AU2007202297B2/en
Priority to US11/752,632 priority patent/US7481699B2/en
Priority to CN2007101048718A priority patent/CN101077571B/zh
Publication of EP1859905A2 publication Critical patent/EP1859905A2/fr
Publication of EP1859905A3 publication Critical patent/EP1859905A3/fr
Application granted granted Critical
Publication of EP1859905B1 publication Critical patent/EP1859905B1/fr
Active 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
    • 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
    • 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

Definitions

  • Such a fan-grinding wheel is from the EP 1 142 673 B1 known.
  • the grinding blades are square. They have two mutually parallel straight edges and a concave and a convex edge.
  • the convex and the concave edges are each in the form of a circular arc whose radii are the same, but the centers of the radii are offset from each other on a line parallel to the straight edges.
  • the advantage of this embodiment of the grinding blades is that they can be cut without waste, so waste free from a grinding belt with mutually parallel edges.
  • the abrasive flaps are attached overlapping each other on the edge region of the support plate, whereby a portion of the outer edge of the abrasive flake package is formed by the convex edge of each abrasive flake.
  • the invention is based on the object, a fan-grinding wheel of the aforementioned kind so ausgestalten that their life is further increased.
  • the claims 7 and 8 give advantageous embodiments of the inner edge again, wherein the embodiment according to claim 7 has the advantage that the grinding blades can be cut to save space from a grinding belt.
  • the embodiment according to claim 8 is particularly preferred when the abrasive slats are not cut from ribbons from a roll, but from sheets, so there may be interleaved.
  • the claims 12 and 13 relate to the fact that the grinding lamellae have a true triangular shape, so that in each case two major edges, whether rectilinear or curved, intersect at an intersection.
  • the claims 14 and 15 relate to a particularly preferred embodiment, according to which the corners of the respective triangle are rounded, by convexly curved side edges whose radii of curvature are significantly smaller than the curvature radii of the main edges.
  • the advantage of this embodiment is that both the production of the punching tools and the detachment of the abrasive flaps after punching from the strip material is simplified. The production of real sharp corners in the punching tools is more complex.
  • the detachment of a triangular in the true sense abrasive slat from the strip material is more difficult than the detachment of a grinding blade with rounded corners.
  • the embodiments according to the Claims 12 on the one hand and 14 on the other hand also include hybrid forms between these two embodiments.
  • grinding blade 1 is triangular. Their three edges are referred to as outer edge 2, inner edge 3 and trailing edge 4 according to their later position on a support plate of a fan grinding wheel.
  • the edges 2 to 4 are formed as circular arc sections with a corresponding radius of curvature R2, R3 and R4.
  • the outer edge 2 and the trailing edge 4 are - with respect to the grinding blade 1 - convex, while the inner edge 3 is concave.
  • Even with such geometric shapes are triangles, since according to the rules of spherical geometry, the boundary lines of a triangle need not be rectilinear, but can also be curved; It is crucial that two side edges intersect at one point of intersection, ie form a corner.
  • the support plate 5 has an outer annular edge region 8 for receiving the grinding blades 1.
  • This edge region 8 is connected to the hub 6 via a projecting in the direction of the central axis 9 of the support plate 5 annular web 10.
  • the edge region 8 is inclined radially outward against the annular web 10, such as Fig. 3 is removable.
  • the working surface 11 of the grinding lamellae 1 to be arranged on the support plate 5 again runs essentially radially and perpendicular to the central axis 9.
  • Fig. 2 This geometry results from the fact that more and more abrasive lamellae 1 overlap or overlap one another from inside to outside, such as Fig. 2 is removable.
  • the grinding blades 1 are fastened on the edge region 8 of the support plate 5 by means of an adhesive layer 12.
  • Fig. 2 can be removed, the grinding blades 1 are arranged on the support plate 5 at equal angular intervals, in each case rotationally symmetrical in the same position to the support plate 5.
  • the outer radius R13 of the grinding lamella packet 13 fastened on the support plate 5 corresponds to the radius of curvature R2 of the outer edge 2, so that the outer edge 14 of the abrasive lamella packet 13 projecting outwardly beyond the edge region 8 is circular.
  • abrasive blade 1 is shown in dashed lines, although their respective abrasive region 15 extends only from its trailing edge 4 to the next in the direction of rotation 16 of the grinding wheel leading edge arranged 4.
  • Fig. 2 can be removed, form the tangent 17 to the trailing edge 4 at the intersection 18 with the outer edge 2 and the radius R13 through the intersection 18 an angle ⁇ > 0 °, the tangent 17 with respect to the radius R13 in the direction of rotation 16 leads.
  • angle ⁇ is 5 ° ⁇ ⁇ ⁇ 35 °.
  • each grinding lamella 1 extends over an angle ⁇ of the annular abrasive lamella package 13, wherein 25 ° ⁇ 90 °.
  • ⁇ the angle of the annular abrasive lamella package 13
  • Fig. 4 It can be seen how the grinding blades 1 are cut from a grinding belt 20.
  • the width a of the sanding belt 20 is selected so that the intersection point 21 of the outer edge 2 and the inner edge 3 lies on a longitudinal edge 22 of the sanding belt 20, while the point of intersection 23 between the inner edge 3 and the trailing edge 4 on the other longitudinal edge parallel to the longitudinal edge 22 24 is located.
  • the point of intersection 18 between the outer edge 2 and the trailing edge 4 abuts against the inner edge 3 of the adjacent grinding blade 1 to be cut out.
  • abrasive blade 1 has the already described outer edge 2 and trailing edge 4.
  • the inner edge 3 ' is formed in a straight line. Their radius of curvature R3 'is therefore infinitely long.
  • FIG. 7 the design of a grinding lamella 1 "', in which not only the inner edge 3' and the trailing edge 4 ', but also the outer edge 2' are rectilinearly formed, whose radius of curvature R2" therefore also has an infinite length.
  • the embodiments of the 8 to 11 in their basic structure correspond to those according to the Fig. 1 . 5 . 6 . 7 , wherein instead of the sharp-edged intersections 18, 21, 23 respectively rounded corners are provided.
  • These abrasive slats thus each have the basic shape of a triangle.
  • the main edges forming outer edges, inner edges and trailing edges are thus connected to each other by convexly curved side edges whose radius of curvature r each is significantly smaller than the radius of curvature R of the mentioned main edges.
  • the main edges forming outer edges, inner edges and trailing edges are in the 8 to 11 with the same reference numerals as the corresponding edges in the Fig. 1 . 5 . 6 . 7 denotes, in each case an "a" is added to distinguish. The same applies to the radii of curvature R.
  • the side edges are provided with the same reference numerals, as the intersections 18, 21, 23, wherein these are added to distinguish an "a". The same applies to the name of the radii of curvature r of the minor edges.
  • Fig. 8 At the grinding blade 1a after Fig. 8 are all three major edges, namely the outer edge 2a, the inner edge 3a and the trailing edge 4a curved, namely the outer edge 2a and the trailing edge 4a convex, while the inner edge 3a is concavely curved.
  • the radii of curvature are R2a, R4a and R3a.
  • the major edges are connected to each other by three side edges 18a, 21a and 23a, respectively, which are convexly curved and have radii of curvature r18a, r21a and r23a, respectively.
  • the grinding blade 1'a after Fig. 9 is different from the after Fig. 8 in that the inner edge 3'a is rectilinear and consequently the radius of curvature R3'a of this inner edge 3'a has an infinite length.
  • the grinding blade 1 "a to Fig. 10 differs in turn from the after Fig. 9 in that also the trailing edge 4'a is rectilinear and consequently its radius of curvature R4'a has an infinite length.
  • the radii of curvature R of the main edges are significantly larger than the radii of curvature r of the minor edges.
  • the ratio of the radii of curvature R of the main edges to the radii of curvature applies r of the minor edges: 3 ⁇ R / r ⁇ 20 and preferably 10 ⁇ R / r ⁇ 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Power Steering Mechanism (AREA)
  • Surgical Instruments (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Motor Or Generator Cooling System (AREA)

Claims (16)

  1. Disque abrasif en éventail, qui peut être entraîné en rotation dans un sens de rotation (16),
    - doté d'un plateau de support (5), qui comprend
    -- un axe médian (9),
    -- un moyeu interne (6) et
    -- une zone de bord annulaire (8),
    - doté de lamelles abrasives (1, 1' , 1", 1"'), qui
    -- sont conçues avec la forme de base d'un triangle doté de trois arêtes principales, à savoir une arête extérieure (2, 2', 2a, 2'a), une arête intérieure (3, 3', 3a, 3'a) et une arête arrière (4, 4', 4a, 4'a) et
    -- sont disposées sur la zone de bord (8) en formant un paquet annulaire de lamelles abrasives (13) à intervalles angulaires égaux de telle sorte que
    --- l'arête extérieure (2, 2', 2a, 2'a) délimite une partie d'un bord extérieur (14) du paquet de lamelles abrasives (13),
    --- l'arête intérieure (3, 3', 3a, 3'a) s'étend d'un bord intérieur (19) du paquet de lamelles abrasives (13) au bord extérieur (14) et est en partie recouverte par des lamelles abrasives (1, 1', 1", 1"' 1, 1a, 1' a, 1" a, 1"'a) disposées en amont dans le sens de rotation (16) et
    --- l'arête arrière (4, 4', 4a, 4'a) repose de façon ouverte et -par rapport au sens de rotation (16)-s'étend en avançant du bord intérieur (19) au bord extérieur (14) du paquet de lamelles abrasives (13).
  2. Disque abrasif en éventail selon la revendication 1, caractérisé en ce que l'arête extérieure (2, 2a) est conçue en étant incurvée de façon convexe avec un rayon de courbure Ra ou R2a.
  3. Disque abrasif en éventail selon la revendication 2, caractérisé en ce que le bord extérieur (14) du paquet de lamelles abrasives (13) présente un rayon extérieur R13 qui est identique au rayon de courbure R2 ou R2a de l'arête extérieure incurvée (2).
  4. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 3, caractérisé en ce que
    l'arête arrière (4', 4'a) est conçue de façon rectiligne.
  5. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 3, caractérisé en ce que
    l'arête arrière (4, 4a) est conçue en étant incurvée de façon convexe avec un rayon de courbure R4 ou R4a.
  6. Disque abrasif en éventail selon la revendication 4 ou 5, caractérisé en ce que
    une tangente (17) sur l'arête inférieure (4, 4') dans un point d'intersection (18) entre l'arête extérieure (2, 2') et l'arête arrière (4, 4') et un rayon R13 depuis l'axe médian (9) à travers le point d'intersection (18) enferment un angle ouvert dans le sens de rotation (16) par rapport au rayon R13.
  7. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 6, caractérisé en ce que
    l'arête intérieure (3, 3a) est incurvée de façon concave avec un rayon de courbure R3 ou R3a.
  8. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 6, caractérisé en ce que
    l'arête intérieure (3', 3'a) est conçue de façon rectiligne.
  9. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 8, caractérisé en ce que
    le nombre n de lamelles abrasives (1, 1', 1", 1"') disposées sur un plateau de support (5) correspond à : 10≤n≤80.
  10. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 9, caractérisé en ce que
    chaque lamelle abrasive (1, 1', 1'', 1"') s'étend suivant un angle β du paquet circulaire de lamelles abrasives (13), correspondant à : 25°≤β≤90°.
  11. Disque abrasif en éventail selon la revendication 6, caractérisé en ce que l'angle α correspond à : 5°≤α≤35°.
  12. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 11, caractérisé en ce que
    au moins deux arêtes principales se coupent dans un point d'intersection (18, 21, 23).
  13. Disque abrasif en éventail selon la revendication 12, caractérisé en ce que toutes les arêtes principales se coupent en un point d'intersection (18, 21, 23).
  14. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 11, caractérisé en ce que
    au moins deux arêtes principales sont reliées l'une à l'autre par une arête secondaire (18a, 21a, 23a) incurvée de façon convexe.
  15. Disque abrasif en éventail selon la revendication 14, caractérisé en ce que toutes les arêtes principales sont reliées les unes aux autres par des arêtes secondaires (18a, 21a, 23a) incurvées de façon convexe.
  16. Disque abrasif en éventail selon l'une quelconque des revendications 1 à 15, caractérisé en ce que
    pour les rayons de courbure R des arêtes principales par rapport aux rayons de courbure r des arêtes secondaires, on obtient : 3≤R/r et de préférence 10≤R/r.
EP06026974A 2006-05-23 2006-12-28 Disque abrasif en eventail Active EP1859905B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL06026974T PL1859905T3 (pl) 2006-05-23 2006-12-28 Ściernica wachlarzowa
TW096114026A TWI408026B (zh) 2006-05-23 2007-04-20 風扇式研磨輪
CA2586791A CA2586791C (fr) 2006-05-23 2007-05-01 Meule -eventail
RU2007117362/02A RU2424890C2 (ru) 2006-05-23 2007-05-10 Веерный шлифовальный круг
BRPI0702553-0A BRPI0702553B1 (pt) 2006-05-23 2007-05-14 Rebolo em leque
MX2007006000A MX2007006000A (es) 2006-05-23 2007-05-18 Muela abrasiva en abanico.
AU2007202297A AU2007202297B2 (en) 2006-05-23 2007-05-22 Fan-type grinding wheel
US11/752,632 US7481699B2 (en) 2006-05-23 2007-05-23 Fan-type grinding wheel
CN2007101048718A CN101077571B (zh) 2006-05-23 2007-05-23 风扇式研磨轮

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006024015A DE102006024015A1 (de) 2006-05-23 2006-05-23 Fächer-Schleifscheibe

Publications (3)

Publication Number Publication Date
EP1859905A2 EP1859905A2 (fr) 2007-11-28
EP1859905A3 EP1859905A3 (fr) 2008-04-16
EP1859905B1 true EP1859905B1 (fr) 2008-10-01

Family

ID=38222155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06026974A Active EP1859905B1 (fr) 2006-05-23 2006-12-28 Disque abrasif en eventail

Country Status (15)

Country Link
US (1) US7481699B2 (fr)
EP (1) EP1859905B1 (fr)
CN (1) CN101077571B (fr)
AT (1) ATE409550T1 (fr)
AU (1) AU2007202297B2 (fr)
BR (1) BRPI0702553B1 (fr)
CA (1) CA2586791C (fr)
DE (2) DE102006024015A1 (fr)
DK (1) DK1859905T3 (fr)
ES (1) ES2313537T3 (fr)
MX (1) MX2007006000A (fr)
PL (1) PL1859905T3 (fr)
RU (1) RU2424890C2 (fr)
TW (1) TWI408026B (fr)
ZA (1) ZA200703921B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007002643A1 (de) * 2007-01-12 2008-07-17 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Lamellenschleifscheibe
EP2153939B1 (fr) 2008-08-16 2010-11-03 August Rüggeberg GmbH & Co. KG Meule à éventail
DE102009054696A1 (de) 2009-12-15 2011-06-16 August Rüggeberg Gmbh & Co. Kg Fächer-Schleifscheibe für den Einsatz an stationären Schleifmaschinen
DE102011107675A1 (de) * 2010-07-21 2012-01-26 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Verfahren zur Herstellung einer Lamellenschleifscheibe mit einem tellerförmigen Träger
DE102010046878B3 (de) 2010-09-29 2011-12-15 Dipl.-Ing. Günter Wendt GmbH Lamellenschleifwerkzeug
ITMI20130734A1 (it) * 2013-05-07 2014-11-08 Ren S R L Utensile abrasivo
CN105798790A (zh) * 2016-04-22 2016-07-27 长葛市汇达感光材料有限公司 一种感光材料剖光辊
CN110505831B (zh) 2017-02-22 2021-07-09 Acs工业股份有限公司 旋转分段式地板起蜡垫
CN107598762B (zh) * 2017-10-21 2023-10-31 德清凯晶光电科技有限公司 大尺寸游星轮及其均匀打磨方法
CN109834602B (zh) * 2018-12-04 2021-11-02 卓士豪 一种切割片

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1869564A (en) * 1930-03-10 1932-08-02 David R Johnston Polishing tool
US2907147A (en) * 1957-12-23 1959-10-06 F L & J C Codman Company Radial face rotary buffing element
DE3541347C1 (de) * 1985-11-22 1986-10-30 Gerd 8192 Geretsried Eisenblätter Faecherstirnschleifscheibe
CN2102822U (zh) * 1990-12-26 1992-04-29 程东利 多用途叶片式砂布轮
DE20006127U1 (de) * 2000-04-03 2000-07-06 Lukas Erzett Schleif Fraes Schleiflamelle und Schleifteller mit einer Mehrzahl von solchen
DE20018756U1 (de) 2000-11-02 2000-12-28 Lukas Erzett Schleif Fraes Schleif- oder Polierwerkzeug
US6955591B2 (en) * 2002-09-20 2005-10-18 Deware William R Adjustable abrading tool

Also Published As

Publication number Publication date
TW200800503A (en) 2008-01-01
EP1859905A3 (fr) 2008-04-16
AU2007202297B2 (en) 2011-08-25
CA2586791A1 (fr) 2007-11-23
ES2313537T3 (es) 2009-03-01
DK1859905T3 (da) 2009-01-26
DE102006024015A1 (de) 2007-11-29
ZA200703921B (en) 2008-08-27
US7481699B2 (en) 2009-01-27
CN101077571B (zh) 2010-06-16
CA2586791C (fr) 2013-06-25
RU2007117362A (ru) 2008-11-20
US20070275643A1 (en) 2007-11-29
ATE409550T1 (de) 2008-10-15
AU2007202297A1 (en) 2007-12-13
PL1859905T3 (pl) 2009-01-30
TWI408026B (zh) 2013-09-11
EP1859905A2 (fr) 2007-11-28
CN101077571A (zh) 2007-11-28
DE502006001687D1 (de) 2008-11-13
MX2007006000A (es) 2009-01-09
RU2424890C2 (ru) 2011-07-27
BRPI0702553B1 (pt) 2019-08-06
BRPI0702553A (pt) 2008-03-11

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