EP1174219A2 - Outil de meulage - Google Patents

Outil de meulage Download PDF

Info

Publication number
EP1174219A2
EP1174219A2 EP01116979A EP01116979A EP1174219A2 EP 1174219 A2 EP1174219 A2 EP 1174219A2 EP 01116979 A EP01116979 A EP 01116979A EP 01116979 A EP01116979 A EP 01116979A EP 1174219 A2 EP1174219 A2 EP 1174219A2
Authority
EP
European Patent Office
Prior art keywords
grinding tool
disc
layer
tool according
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.)
Granted
Application number
EP01116979A
Other languages
German (de)
English (en)
Other versions
EP1174219B1 (fr
EP1174219A3 (fr
Inventor
Gerd Braasch
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.)
Sia Abrasives Industries AG
Original Assignee
Gerd Braasch
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 Gerd Braasch filed Critical Gerd Braasch
Priority to EP06124027A priority Critical patent/EP1747851A3/fr
Publication of EP1174219A2 publication Critical patent/EP1174219A2/fr
Publication of EP1174219A3 publication Critical patent/EP1174219A3/fr
Application granted granted Critical
Publication of EP1174219B1 publication Critical patent/EP1174219B1/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
    • 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
    • B24D7/16—Bushings; Mountings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
    • B24D9/08—Circular back-plates for carrying flexible material
    • B24D9/085—Devices for mounting sheets on a backing plate

Definitions

  • the invention relates to a rotating machine grinding tool, comprising a disc-like Carrier body by means of approximately in the area of Rotation center located fasteners a machine drive can be used and at least has a working side equipped with abrasive.
  • Such areas can only be done manually with appropriate Abrasive material, such as abrasive cloth, sandpaper or the like can be ground in a wage-intensive manner.
  • the invention is based, an easy task usable, versatile grinding tool too create that with appropriate machines even then can be used if it applies difficult shapes even in difficult places grind.
  • the carrier body is also advantageous Training designed as a disc ring that is thin that in the area of its periphery transverse to Disc ring plane can resiliently, the Disc ring in the disc ring center an approach for the Has connecting element.
  • the abrasive is so with the carrier body connected that it is upholstered on the thin and thus elastic collar flange can be glued on.
  • the carrier body is preferably a one-piece molded part made of glass fiber reinforced polyamide, this material is high strength due to the glass fiber reinforcement and thereby sufficient elasticity due to its dimensioning because the thickness of the collar flange is approximately equal to one Is twentieth of its width. It is also advantageous that this material with certain solvents is dissolvable, so that the abrasive easily the detached surface can be glued. Additional glue is not needed.
  • the carrier body equipped with the abrasive is an inexpensive disposable part that after wear of the Abrasive can be easily replaced.
  • Leave carrier body made of glass fiber reinforced polyamide are mass-produced by injection molding.
  • the abrasives can also be produced in series be produced on an industrial scale. That at Contour grinding work otherwise usual incorporation certain profiles of workpieces to be ground in negative form in the working pages of grinding tools does not apply to the grinding tool according to the invention.
  • the abrasive present as a sheet-like disc has a hole in the center, the diameter of which is about the same, but not smaller than the outside diameter of the Sleeve of the support body is. So the abrasive with the hole placed on the sleeve of the carrier body be it, with its cushioning on the collar flange attached so that it is glued.
  • the outer diameter of the elastic padding layer as Disc of abrasive present is approximately the same triple the width of the collar flange of the carrier body.
  • the thickness of the elastic cushion layer also corresponds about three times the thickness of the collar flange.
  • At the Example of an outer diameter of the collar flange of is about 70 mm and a width of about 10 mm Collar flange about 1 mm thick.
  • the grinding tool according to the invention makes it possible in sharpen sharp corners.
  • the elasticity of his Abrasives avoid the formation of large areas Grinding contours on curved workpieces due to too high Contact pressure. Transitions from surfaces to workpieces by nestling on all levels in the Transition area, also ground simultaneously.
  • the grinding tool according to the invention with the relatively soft Abrasive prevents unwanted heat build-up Example when grinding stainless steel workpieces, otherwise due to frictional heat could discolor undesirably (tarnish colors).
  • Fig. 1 shows a particularly advantageous embodiment for connecting a grinding tool with a Machine drive.
  • a clamping ring 14 in a clamping ring 14 a lower extension 25 a Inner bore 17 is provided, in which a conventional spring ring 26 can be inserted.
  • a stretch cover 21 has in its Circumferential incised grooves 27 and 27 'at corresponding rotational position of the clamping lid 21 congruent to drivers 9 of the support body 1, so that this Carrier body can be pulled down without the Remove the tension cover 21.
  • a new one from below Abrasive tool consisting of with abrasive equipped carrier body 1 are pushed.
  • the carrier body 1 consists of a disc 3, the is so thin, for example 1 mm, that it is transverse to the Can resiliently level the disc.
  • Die Disk 3 corresponds to an approximately radial of the sleeve 4th protruding collar flange.
  • the abrasive 2 is a flat structure. It includes a first disc layer 5, here an elastic one Padding layer. Furthermore there is a second disc layer provided, which is designated 6 and also one highly flexible abrasive cloth.
  • the first layer 5, the cushion layer can be foam rubber or Be plastic foam and has a thickness of about 3 mm on.
  • the carrier body 1 in particular its disc, which is present on the sleeve as a collar flange 3, much smaller in diameter than the real one Abrasives 2.
  • Fig. 1 illustrates that the outer diameter of the second Disc layer 6, which is a highly flexible abrasive cloth is present, is such that it is over the outer edge 8 of the first layer 5 in the form of a cushion layer predetermined dimension protrudes freely. This supernatant is with 7 designated.
  • Fig. 2 shows a view of the grinding tool from above.
  • Fig. 3 shows the grinding tool from below, that is in one View of the grinding surface to be sanded with Workpieces are brought into plant.
  • the abrasive 2nd has a ring shape and from the corresponding Material layers punched out or cut parts is composed.
  • the sleeve 4 with the drivers 9 and 9 ' is visible in the top view, as is that in FIG essentially present as a disk 3 Carrier body 1, the disc 3 as a collar flange the sleeve 4 is arranged.
  • the first layer 5, the Upholstery layer is an annular disc which, as shown in FIG. 1 clarifies with the present as flange flange Disk 3 of the support body is glued.
  • the second layer 6, the highly elastic abrasive cloth, is also one Washer on the first layer 5, the cushion layer, is glued.
  • the diameter of the second layer 6 is so dimensioned that one over the outer edge 8 of the Upholstery layer (first layer 5) protruding free overhang 7 results, the area of which is visible in FIG. 2.
  • Fig. 3 shows the grinding side of the grinding tool, at only the outer grinding work surface the highly elastic abrasive cloth (second disc layer 6) is visible as well as the sleeve 4 and the two Driver 9, 9 '.
  • the grinding tool is a prefabricated and for Grinding in any variations and dimensions available unit part, which if the highly elastic abrasive cloth is consumed as Complete, from carrier body 1 and arranged thereon Abrasive 2, existing unit replaced can be.
  • a machine drive that is usually one Has clamping device is that shown in Fig. 1 Clamping pin 18 added. Throughout the entire Grinding work the clamping pin 18 in Machine drive remain.
  • the clamping ring 14 is with equipped with an inner bore 17, the insertion of the Clamping pin 18 allows. For this purpose, the clamping pin 18 on one end of his tenon 19, which in the Inner bore 17 of the clamping ring 14 is pluggable Thread blind hole 20 on.
  • a clamping cover 21 attached the is disc-shaped and for example Stamped part can be made of sheet metal.
  • the outer diameter of the tension cover 21 is approximately the same, but not larger than the inner diameter of the sleeve 4 of the carrier body 1. This allows the tension cover 21 on shoulders 23 to the Undersides of the length of the sleeve 4th shortened driver 9 and 9 'rest.
  • the stretch lid 21 is thus sunk in the sleeve as soon as it with the countersunk screw 24 on the pin base 19 of the pin 18 is attached and as soon as all components, under Intermediate clamping of the grinding tool, assembled and have contracted.
  • the replacement of grinding tools as a complete Structural unit consisting of carrier body and abrasive can be after loosening the tension cover 21 and twisting of the tensioning cover, as described at the beginning, quickly and simply make, the clamping pin 18 in the Manual chuck, such as an electric one feasible machine that can remain clamped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
EP01116979A 2000-07-22 2001-07-12 Outil de meulage Expired - Lifetime EP1174219B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06124027A EP1747851A3 (fr) 2000-07-22 2001-07-12 Outil de meulage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20012746U 2000-07-22
DE20012746U DE20012746U1 (de) 2000-07-22 2000-07-22 Schleifwerkzeug

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06124027A Division EP1747851A3 (fr) 2000-07-22 2001-07-12 Outil de meulage

Publications (3)

Publication Number Publication Date
EP1174219A2 true EP1174219A2 (fr) 2002-01-23
EP1174219A3 EP1174219A3 (fr) 2004-01-02
EP1174219B1 EP1174219B1 (fr) 2006-11-15

Family

ID=7944307

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01116979A Expired - Lifetime EP1174219B1 (fr) 2000-07-22 2001-07-12 Outil de meulage
EP06124027A Withdrawn EP1747851A3 (fr) 2000-07-22 2001-07-12 Outil de meulage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06124027A Withdrawn EP1747851A3 (fr) 2000-07-22 2001-07-12 Outil de meulage

Country Status (4)

Country Link
US (1) US6551180B2 (fr)
EP (2) EP1174219B1 (fr)
AT (1) ATE345193T1 (fr)
DE (2) DE20012746U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003097299A1 (fr) * 2002-05-18 2003-11-27 Robert Bosch Gmbh Système doté d'un raccordement d'outil
CN112518385A (zh) * 2020-12-29 2021-03-19 芜湖舜富精密压铸科技有限公司 一种智能调节式压铸件切削装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1436120A4 (fr) * 2001-09-19 2004-12-15 Mackay Joseph Hartley Dispositif de montage pour meules abrasives
EP1601495A2 (fr) * 2003-01-06 2005-12-07 Joseph Hartley Mackay Jr. Arbres et dispositifs de fixation pour permettre deux formes de montage de disques abrasifs a changement simple/rapide
DE10305189A1 (de) * 2003-02-08 2004-02-26 Daimlerchrysler Ag Schleifteller mit Schleifscheibe für eine Rotationsschleifmaschine
CN101890671B (zh) * 2009-02-17 2014-05-28 C.&E.泛音有限公司 用于振动驱动装置的磨削或磨光的工具
US9381618B2 (en) 2013-04-25 2016-07-05 Saint-Gobain Abrasives, Inc. Grinding and polishing tool
CN113580002A (zh) * 2021-08-02 2021-11-02 浙江诺研新材料有限公司 一种用于连接砂纸和转矩砂碟托盘的磨盘

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540160A (en) * 1967-01-31 1970-11-17 Antonio De Rose Surface finishing device
US3742656A (en) * 1967-12-18 1973-07-03 R Amos Coupling devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US252928A (en) * 1882-01-31 Machine for shaving and whitening leather
US2480886A (en) * 1947-03-03 1949-09-06 Budd Co Abrasive disk support
US3191351A (en) * 1963-04-29 1965-06-29 Louis A Balz Ice drill sharpener
US3883998A (en) * 1974-02-11 1975-05-20 Minnesota Mining & Mfg Fastening device for psa abrasive disc
DE8716114U1 (fr) 1987-12-05 1988-01-28 Dzierzon, Jochen C., 2800 Bremen, De
US5390449A (en) * 1993-12-06 1995-02-21 Hilton; Harry Rotary sanding apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540160A (en) * 1967-01-31 1970-11-17 Antonio De Rose Surface finishing device
US3742656A (en) * 1967-12-18 1973-07-03 R Amos Coupling devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003097299A1 (fr) * 2002-05-18 2003-11-27 Robert Bosch Gmbh Système doté d'un raccordement d'outil
US8167689B2 (en) 2002-05-18 2012-05-01 Robert Bosch Gmbh System with a tool-holding fixture
CN112518385A (zh) * 2020-12-29 2021-03-19 芜湖舜富精密压铸科技有限公司 一种智能调节式压铸件切削装置

Also Published As

Publication number Publication date
US20020009965A1 (en) 2002-01-24
US6551180B2 (en) 2003-04-22
DE20012746U1 (de) 2000-09-28
DE50111439D1 (de) 2006-12-28
EP1174219B1 (fr) 2006-11-15
EP1747851A3 (fr) 2007-02-21
EP1747851A2 (fr) 2007-01-31
ATE345193T1 (de) 2006-12-15
EP1174219A3 (fr) 2004-01-02

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