EP1047525B1 - Disque a meuler dote d'une rainure peripherique - Google Patents

Disque a meuler dote d'une rainure peripherique Download PDF

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Publication number
EP1047525B1
EP1047525B1 EP99902539A EP99902539A EP1047525B1 EP 1047525 B1 EP1047525 B1 EP 1047525B1 EP 99902539 A EP99902539 A EP 99902539A EP 99902539 A EP99902539 A EP 99902539A EP 1047525 B1 EP1047525 B1 EP 1047525B1
Authority
EP
European Patent Office
Prior art keywords
grinding
grinding disc
stop surface
centring
disc according
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.)
Expired - Lifetime
Application number
EP99902539A
Other languages
German (de)
English (en)
Other versions
EP1047525A1 (fr
Inventor
Klaus Voigt
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.)
Wendt GmbH
Original Assignee
Wendt 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7854745&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1047525(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wendt GmbH filed Critical Wendt GmbH
Publication of EP1047525A1 publication Critical patent/EP1047525A1/fr
Application granted granted Critical
Publication of EP1047525B1 publication Critical patent/EP1047525B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • 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
    • B24D5/02—Wheels in one piece
    • 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
    • B24D7/18—Wheels of special form

Definitions

  • the present invention relates to a grinding wheel with circumferential groove according to the preamble of claim 1.
  • Such grinding wheels are known. They serve for Grinding the edges of glass panes at the same time Adding a cooling fluid to the grinding point.
  • the circumferential groove has a predetermined contour due to production and uses over time. Then the grinding wheel be replaced. To limit this wear and tear you hold a cooling fluid, mostly water, which Grinding point too.
  • the water jet must take into account the relevant influencing variables as precisely as possible to a predetermined Position.
  • the present invention seeks to improve this ratio. It is therefore an object of the present invention for the special purpose of sanding the edges of To improve the glass panes provided so that the tool life regardless of the abrasive composition is increased.
  • the advantage of the invention is that the number of the positioning processes that take place for each idle cycle Aligning the geometry between grinding wheel, glass plate and cooling fluid flow is necessary is halved.
  • the invention doubles the tool life in combination with a short one Changeover time for turning over the grinding wheel if from a machined circumferential groove on a new circumferential groove is changed.
  • the grinding wheel on two opposite Flat sides each have a stop surface.
  • This serves as a reference surface for determining the Distance to a single one of two circumferential grooves.
  • the other The stop surface then forms the reference surface for the other Circumferential groove. This makes the possibility of two-sided use created the grinding wheel. Any stop surface a single circumferential groove is assigned. The geometric distance between the stop surface and the circumferential groove is for both possibilities, which the grinding wheel offers, the same.
  • each circumferential groove is the Assigned to their immediately adjacent flat side. In the other embodiment, each circumferential groove is assigned an abutment surface on the opposite Flat side sits.
  • the first embodiment comes into consideration the expected lower susceptibility to vibrations the higher meaning too.
  • Fig.1 shows a grinding spindle 1, which is cantilevered a machine frame 2 is attached.
  • the grinding spindle 1 is tubular.
  • a quill 3 is guided inside the tube, which are fixed with the aid of a clamping collar 4 can.
  • the drive shaft is rotatably seated within the sleeve 3 5 the grinder at its lower end has a diameter step 6.
  • the diameter step 6 forms at its lower end the counter surface 7 against which the Grinding wheel 20 is present.
  • the grinding wheel 20 is by means of the clamping screws 17 held against the counter surface 7 and lies with its stop surface 8 (I) directly on the Counter surface 7.
  • the water tank 9 is firmly connected to the sleeve 3, the - not shown - fed with cooling water from outside becomes.
  • the water tank 9 has an opening 10, which serves to supply the cooling fluid to the grinding point 18.
  • drive means can be provided which should not be shown here.
  • the quill 3 vertically displaceable within the grinding spindle 1 and is in the setting position once found by means of the clamping sleeve 4 then held.
  • the grinding wheel 20 on two opposite flat sides I, II each have a stop surface 8 (I), 8 (II), and two circumferential grooves 13.14, each of which is a different one of the two stop faces 8 (I), 8 (II) is assigned, and that both circumferential grooves 13, 14 of the stop surface 8 (I) assigned to them, 8 (II) have the same distance X.
  • each Circumferential groove 13, 14 of the stop surface 8 of its immediately adjacent one Flat side I, II is assigned. In this way results in a grinding wheel 20 that is relative to your middle one Radial plane 15 is symmetrical.
  • the drive shaft 5 has at its lower End a straight cylindrical centering pin 16 which in a corresponding straight cylindrical center hole 19 the grinding wheel 20 is seated.
  • a straight cylindrical one Centering fit has the advantage that it also when turning the grinding wheel 20 is retained.
  • a centering fit can also be used find where the grinding wheel 20 of each of their flat sides I or II coming in a conical one Has center hole, each with a corresponding one conical centering pin on the drive axle 5 sits, cooperates.
  • the basic principle of the invention is based on that one of the two circumferential grooves each one of the is clearly assigned to both stop surfaces.
  • the invention therefore offers in combination with the axially adjustable Grinding spindle has the advantage that the grinding spindle over a doubled service life of the same tool practically can be seen statically, because the stop surfaces on the grinding wheel each have identical distances between the Counter surface 7 of the grinding spindle and one of the two circumferential grooves determine.
  • the invention is therefore a successful integration the relevant and the central radial plane the grinding wheel represent symmetrical machining surfaces that contribute to that during the change from one circumferential groove to the other of the two circumferential grooves in spite of unchanged Machine situation a tolerance-accurate continuation the one started with the previous circumferential groove Grinding can take place.
  • grinding wheels usually consist of a metallic Carrier body exist in the outer circumference Abrasive coating is incorporated, the covering depth is larger than the wear dimension, which is a circumferential groove such as can no longer be used Grinding wheels are repeatedly re-profiled, whereby the cost saving effect is repeated.
  • the abrasive coating in both possible directions of rotation is equally effective. This is achieved in that the abrasive components of the grinding surface are applied regardless of the direction of rotation.
  • the grinding surface has no preferred direction of grinding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (8)

  1. Meule (20) à gorge périphérique pour meuler les bords de plaques de verre (11) avec une amenée de fluide de refroidissement sur le point de meulage (18), étant précisé que la meule (20) présente un perçage de centrage continu (19) pour l'axe de centrage (16) d'une broche porte-meule (1), et qu'en position serrée, elle est appliquée avec une surface de butée latérale (8) contre une surface opposée (7) de la broche porte-meule (1), la position axiale de la broche porte-meule par rapport au plan de la plaque de verre étant réglée pour que le plan radial médian (21) de la gorge périphérique coïncide avec le plan médian (22) de la plaque de verre fixe axialement, caractérisée en ce que
    1.0 à partir du perçage de centrage (19), la meule (20) présente une surface de butée (8(I), 8(II)) définie avec précision sur chacune de ses faces planes opposées (I, II), et
    1.1 deux gorges périphériques identiques (13, 14) associées chacune à l'une des surfaces de butée (8(I), 8(II)) de telle sorte que
    1.2 les plans radiaux médians des deux gorges périphériques (13, 14) présentent le même écartement (X, X) par rapport à leur surface de butée associée (8(I), 8(II)).
  2. Meule selon la revendication 1, caractérisée en ce que chaque gorge périphérique (13, 14) est associée à la surface de butée (8(I), 8(II)) de la face plane (I, II) directement voisine.
  3. Meule selon la revendication 2, caractérisée en ce que la meule (20) est symétrique par rapport à son plan radial médian (15).
  4. Meule selon la revendication 3, caractérisée en ce qu'elle a un perçage de centrage cylindrique droit (19) pour un axe de centrage cylindrique droit (16) calé sur l'axe d'entraínement (5).
  5. Meule selon la revendication 3, caractérisée en ce qu'elle présente, ménagé à partir de l'une de ses faces planes (I, II), un perçage de centrage conique pour un axe de centrage conique qui est relié à l'axe d'entraínement (5).
  6. Meule selon la revendication 1, caractérisée en ce qu'il est prévu seulement deux gorges périphériques (13, 14).
  7. Meule selon la revendication 6, caractérisée en ce que le contour extérieur de la meule a une forme cylindrique droite en dehors des deux gorges périphériques.
  8. Meule selon la revendication 1, caractérisée en ce que le revêtement de meulage est indépendant du sens de rotation.
EP99902539A 1998-01-16 1999-01-15 Disque a meuler dote d'une rainure peripherique Expired - Lifetime EP1047525B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19801377A DE19801377C2 (de) 1998-01-16 1998-01-16 Schleifscheibe mit Umfangsrille
DE19801377 1998-01-16
PCT/EP1999/000195 WO1999036225A1 (fr) 1998-01-16 1999-01-15 Disque a meuler dote d'une rainure peripherique

Publications (2)

Publication Number Publication Date
EP1047525A1 EP1047525A1 (fr) 2000-11-02
EP1047525B1 true EP1047525B1 (fr) 2001-10-04

Family

ID=7854745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99902539A Expired - Lifetime EP1047525B1 (fr) 1998-01-16 1999-01-15 Disque a meuler dote d'une rainure peripherique

Country Status (6)

Country Link
US (1) US6287176B1 (fr)
EP (1) EP1047525B1 (fr)
AT (1) ATE206343T1 (fr)
DE (2) DE19801377C2 (fr)
ES (1) ES2162515T3 (fr)
WO (1) WO1999036225A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10249578B4 (de) * 2002-10-24 2005-08-04 Rohmer & Stimpfig Maschinen- Und Apparatebau Gmbh Einrichtung zum Bearbeiten des Randes eines Gegenstandes
WO2014176202A1 (fr) * 2013-04-25 2014-10-30 Saint-Gobain Abrasives, Inc. Outil de meulage et de polissage
CN109048547A (zh) * 2018-08-24 2018-12-21 北京铂阳顶荣光伏科技有限公司 磨边倒角方法及磨边倒角设备
CN109304667A (zh) * 2018-10-26 2019-02-05 东旭科技集团有限公司 研磨装置
FR3093662A1 (fr) * 2019-03-14 2020-09-18 Saint-Gobain Glass France FACONNAGE De VERRE PLAT et AVIVAGE DES MEULES UTILISEES

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7202327U (de) * 1972-01-21 1972-05-10 Helbrecht O Schleifscheibe für Brillenfacetten
DE3534425A1 (de) * 1985-02-13 1986-08-14 Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn Kantenschleifmaschine
DE8627694U1 (de) * 1986-10-14 1987-02-05 Heinrich, Alfred Schleifwerkzeug für rotierende oder oszillierende Manikür- und Pedikürgeräte
DE3706886A1 (de) * 1987-03-04 1988-09-22 Bielefelder Union Bruno Koch G Kantenschleifmaschine
CH687913A5 (de) * 1993-11-19 1997-03-27 Bystronic Masch Bearbeitungsverfahren und Schleifmaschine bzw. Schleifscheibe zur Durchfuehrung desselben.
JP3010572B2 (ja) * 1994-09-29 2000-02-21 株式会社東京精密 ウェーハエッジの加工装置
JP3620679B2 (ja) * 1996-08-27 2005-02-16 信越半導体株式会社 遊離砥粒によるウエーハの面取装置及び面取方法
JPH11320364A (ja) * 1998-05-19 1999-11-24 Shin Etsu Handotai Co Ltd ウエーハの面取り部の軟研削加工管理方法及び面取り装置

Also Published As

Publication number Publication date
DE59900294D1 (de) 2001-11-08
DE19801377A1 (de) 1999-07-22
ES2162515T3 (es) 2001-12-16
EP1047525A1 (fr) 2000-11-02
WO1999036225A1 (fr) 1999-07-22
DE19801377C2 (de) 2001-07-05
ATE206343T1 (de) 2001-10-15
US6287176B1 (en) 2001-09-11

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