EP2712704A3 - Cup grinding wheel - Google Patents

Cup grinding wheel Download PDF

Info

Publication number
EP2712704A3
EP2712704A3 EP20130004692 EP13004692A EP2712704A3 EP 2712704 A3 EP2712704 A3 EP 2712704A3 EP 20130004692 EP20130004692 EP 20130004692 EP 13004692 A EP13004692 A EP 13004692A EP 2712704 A3 EP2712704 A3 EP 2712704A3
Authority
EP
European Patent Office
Prior art keywords
structural elements
group
cup
grinding
grinding wheel
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
EP20130004692
Other languages
German (de)
French (fr)
Other versions
EP2712704A2 (en
EP2712704B1 (en
Inventor
Bernaert Ruben
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.)
Illinois Tool Works Inc
Original Assignee
ITW Heller 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
Priority claimed from DE201220009283 external-priority patent/DE202012009283U1/en
Priority claimed from DE201220009282 external-priority patent/DE202012009282U1/en
Application filed by ITW Heller GmbH filed Critical ITW Heller GmbH
Publication of EP2712704A2 publication Critical patent/EP2712704A2/en
Publication of EP2712704A3 publication Critical patent/EP2712704A3/en
Application granted granted Critical
Publication of EP2712704B1 publication Critical patent/EP2712704B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B24D7/066—Grinding blocks; their mountings or supports
    • 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
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
    • B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
    • 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
    • B24D7/10—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 cooling provisions

Landscapes

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

Abstract

Die Erfindung betrifft eine Topfschleifscheibe (1) mit einer wesentlich kreisförmigen Grundscheibe (2) und einer Mehrzahl von Schleifsegmenten (3), welche dadurch gekennzeichnet ist, dass die Schleifsegmente (3) jeweils eine in radialer Richtung nach außen geöffnete V-Form aufweisen, welche durch jeweils zwei Schenkel (4, 5) der Schleifsegmente (3) gebildet wird. Die Erfindung betrifft auch ein Schleifsegment (3) für eine Topfschleifscheibe (1), wobei das Schleifsegment (3) eine V-Form aufweist, welche durch zwei Schenkel (4, 5) des Schleifsegments (3) gebildet wird und welche dadurch gekennzeichnet ist, dass sich die Schenkel (4, 5) an ihren divergierenden Enden verbreitern. Die Erfindung betrifft ferner ein Schleifsegment (3a) für eine Topfschleifscheibe (1), wobei das Schleifsegment (3a) einen Schenkel (4b) aufweist und dadurch gekennzeichnet ist, dass der Schenkel (4b) sich an einem Schenkelende (4c) tropfenartig verbreitert. Daneben betrifft die Erfindung eine Grundscheibe (101) für eine Topfschleifscheibe (102) mit einer Mittelachse (107), auf welcher ein Massenmittelpunkt der Grundscheibe (101) liegt, wobei die Grundscheibe (101) eine Gruppe von Strukturelementen (110) umfasst, wobei jedes Strukturelement (110) der Gruppe von Strukturelementen (110) einen gleichen Abstand zur Mittelachse (107) aufweist und zu benachbarten Strukturelementen (110) der Gruppe von Strukturelementen (110) bezogen auf die Mittelachse (107) um einen vorgegebenen Winkel versetzt angeordnet ist. Die Grundscheibe (101) ist dadurch gekennzeichnet, dass mindestens zwei Strukturelemente (110) der Gruppe von Strukturelementen (110) eine voneinander abweichende jeweilige Querschnittskontur aufweisen.

Figure imgaf001
The invention relates to a cup wheel (1) having a substantially circular base disc (2) and a plurality of abrasive segments (3), which is characterized in that the abrasive segments (3) each have a radially outwardly open V-shape, which by two legs (4, 5) of the abrasive segments (3) is formed. The invention also relates to a grinding segment (3) for a cup grinding wheel (1), wherein the grinding segment (3) has a V-shape which is formed by two limbs (4, 5) of the grinding segment (3) and which is characterized that the legs (4, 5) widen at their diverging ends. The invention further relates to a grinding segment (3a) for a cup grinding wheel (1), wherein the grinding segment (3a) has a limb (4b) and is characterized in that the limb (4b) widens like a drop at one limb end (4c). In addition, the invention relates to a base disk (101) for a cup grinding wheel (102) having a central axis (107) on which a center of mass of the base disk (101) lies, wherein the base disk (101) comprises a group of structural elements (110), each Structural element (110) of the group of structural elements (110) has a same distance from the central axis (107) and is arranged offset to adjacent structural elements (110) of the group of structural elements (110) with respect to the central axis (107) by a predetermined angle. The base disk (101) is characterized in that at least two structural elements (110) of the group of structural elements (110) have a respective mutually differing cross-sectional contour.
Figure imgaf001
EP13004692.3A 2012-09-27 2013-09-27 Cup grinding wheel Active EP2712704B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201220009283 DE202012009283U1 (en) 2012-09-27 2012-09-27 Base disk for a cup grinding wheel
DE201220009282 DE202012009282U1 (en) 2012-09-27 2012-09-27 Cup grinding wheel

Publications (3)

Publication Number Publication Date
EP2712704A2 EP2712704A2 (en) 2014-04-02
EP2712704A3 true EP2712704A3 (en) 2014-07-02
EP2712704B1 EP2712704B1 (en) 2015-12-30

Family

ID=49304650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13004692.3A Active EP2712704B1 (en) 2012-09-27 2013-09-27 Cup grinding wheel

Country Status (1)

Country Link
EP (1) EP2712704B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3634691A4 (en) * 2017-06-09 2021-03-31 Saint-Gobain Abrasives, Inc. Grinding ring with concave abrasive segments

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19707445A1 (en) * 1997-02-25 1998-08-27 Hilti Ag Cup-shaped grinding wheel
EP1319471A1 (en) * 2001-12-17 2003-06-18 HILTI Aktiengesellschaft Grinding wheel with grinding segments
WO2006031044A1 (en) * 2004-09-15 2006-03-23 Sewon Tech Co., Ltd. Grinding wheel
US20080176498A1 (en) * 2007-01-18 2008-07-24 Nufinish Corporation Grinding tools and apparatus for securing grinding tools to grinding machines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1014434A3 (en) 2001-10-19 2003-10-07 Carbodiam Design and method of making cutting tool for removing coatings on the mineral substrates.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19707445A1 (en) * 1997-02-25 1998-08-27 Hilti Ag Cup-shaped grinding wheel
EP1319471A1 (en) * 2001-12-17 2003-06-18 HILTI Aktiengesellschaft Grinding wheel with grinding segments
WO2006031044A1 (en) * 2004-09-15 2006-03-23 Sewon Tech Co., Ltd. Grinding wheel
US20080176498A1 (en) * 2007-01-18 2008-07-24 Nufinish Corporation Grinding tools and apparatus for securing grinding tools to grinding machines

Also Published As

Publication number Publication date
EP2712704A2 (en) 2014-04-02
EP2712704B1 (en) 2015-12-30

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