EP1105252A1 - Werkzeugträger - Google Patents
WerkzeugträgerInfo
- Publication number
- EP1105252A1 EP1105252A1 EP00943868A EP00943868A EP1105252A1 EP 1105252 A1 EP1105252 A1 EP 1105252A1 EP 00943868 A EP00943868 A EP 00943868A EP 00943868 A EP00943868 A EP 00943868A EP 1105252 A1 EP1105252 A1 EP 1105252A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- natural fibers
- tool
- grinding
- polishing
- carrier
- 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
Links
Classifications
-
- 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
- B24D9/003—Wheels having flaps of flexible abrasive material supported by a flexible material
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- 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
- B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
-
- 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
- B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
- B24D13/04—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
-
- 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
- B24D9/04—Rigid drums for carrying flexible material
Definitions
- the invention relates to a fiber-reinforced, rotationally symmetrical tool carrier, a tissue carrier for grinding and polishing fabrics and a grinding and polishing fabric according to the preambles of the independent claims.
- the invention further relates to a manufacturing method according to the preamble of the independent method claim.
- a fiber-reinforced, rotationally symmetrical tool carrier can be detachably connected to a rotary drive and also has a tool contact surface for receiving at least one grinding and / or polishing element.
- a material processing tool with a fiber-reinforced, rotationally symmetrical tool carrier which can be detachably connected to a rotary drive and has a tool contact surface, at least one grinding and / or polishing element is received on the tool contact surface.
- the rotationally symmetrical tool carrier can, for. B. be a circular disc or a cylindrical roller.
- a material processing tool can be, for example, flap grinders, flap grinding brushes or rollers, grinding discs, cutting discs, polishing discs, etc.
- Such material processing tools are used wherever surfaces of any material are to be processed, smoothed, polished and / or modeled. More generally formulated where material has to be removed from a workpiece. These tools are wear parts that are manufactured and consumed in large quantities.
- material processing tools which consist of a rotationally symmetrical tool carrier on which grinding and / or polishing elements are applied.
- the grinding and / or polishing elements can, for example, be felt polishing bodies, grinding or polishing fleece, abrasive cloth and the like.
- the tool carrier is made of plastic in a compact, rigid and rigid manner, fiber reinforcements, for example glass fiber reinforcements, also being used.
- the invention provides that the fiber reinforcement consists at least partially of natural fiber.
- the tool carrier is at least partially made of natural fibers.
- a rotationally symmetrical blank for further processing into a tool carrier is made according to the invention from a fiber mat which at least partially consists of natural fibers and is mixed with a binder for natural fibers.
- a key concept of the invention can be seen in the fact that the tool carrier of the material processing tool is made of plastic instead of previously, and thus essentially of renewable raw materials.
- the tool carriers made from materials with natural fibers have very good thermal and mechanical properties.
- Another positive aspect of the invention is that the natural fiber materials are relatively inexpensive to obtain and process today.
- the tool carrier or the objects described at the outset obtain particularly good mechanical and thermal properties when the fiber reinforcement is strengthened by binders.
- the binder can be in the commercially available forms, e.g. as a suspension or solid as a powder or granules, single or multi-component binders are suitable.
- Organic or inorganic binders can be used. Examples are phenolic resins, styrene resins, polycarbonates or polyolefins, such as in particular polypropylene.
- a fiber fabric, such as a hemp, flax and / or sisal knitted fabric, which is permeated with a solid binder, can be pressed to the final shape under increased pressure and at elevated temperature. The binder melts, spreads out in the fiber fabric, and a product of high stability and tear resistance is created.
- the proportion of natural fibers can be between 50% and 85%, preferably in the range from 70% to 80%.
- the tool carrier is made entirely of natural materials. This makes disposal particularly unproblematic.
- Cellulose materials for example, can be used as binders.
- Preferred embodiments of the tool carrier are characterized in that the natural fibers consist of one or more of the materials hemp, flax or sisal.
- the tool carrier is made from a granulate. Which has the components of natural fibers and polypropylene.
- the production with Granules are particularly simple and inexpensive.
- the granules are melted, as is known, for example, from plastic injection molding technology, and injected into appropriate molds, the granules each consisting of 50% natural fibers and polypropylene in a particularly suitable mixture.
- a preferred development of the material processing tool according to claim 8 is that the grinding and / or polishing element is also at least partially made of natural fibers. This in turn is advantageous with regard to the environmentally friendly disposal of the used material processing tool.
- Figure 1 is a partially sectioned plan view of a sander.
- FIG. 2 is a partially sectioned perspective view of a grinding wheel, which is also referred to as a mop wheel;
- FIG. 3 shows a partially sectioned perspective view of a roller-shaped tool carrier in connection with an endless grinding belt
- FIG. 5 shows a view of a fabric carrier covered with grinding flaps as a detail of the grinding tool according to FIG. 4;
- Fig. 6 is a perspective view of a plate-shaped base body for the production of tools or tool carriers.
- a flap disc 1 which consists of a tool holder 7 and fan-shaped grinding elements 5 (grinding flaps).
- the tool holder 7 also has a circular shape, the outer edge of the tool holder 7 being visible only in a small angular segment in the view shown here.
- an opening 3 is incorporated, which serves to connect the flap disc 1 to a rotary drive.
- the tool carrier 7 is made from a hemp / polypropylene granulate.
- the natural fibers 31 are shown schematically in FIG. 1.
- the tool carrier 7 has a tool contact surface 9 on which a plurality of grinding elements 5 are attached in a fan-like manner. is arranged. In a small angle segment, however, the grinding elements 5 are omitted for the sake of illustration.
- FIG. 2 shows a so-called Moprad 1 1, which has a roller-shaped tool carrier 15 with radially arranged grinding elements 1 7 (grinding flaps).
- an axis 19 is inserted in the center of the tool carrier 15, via which the mop wheel 11 can be connected to a drive.
- the tool support surface 21 is the outer surface of the cylinder, the grinding elements 17 being attached to the outer surface and projecting radially from the tool carrier 15.
- the tool carrier 15 is also made from a natural fiber / binder granulate.
- the grinding elements 17 are omitted for the sake of illustration in order to illustrate the tool contact surface 21.
- a partial area is shown broken away and the natural fibers 31 are indicated schematically.
- FIG. 3 shows a roller-shaped tool carrier 23, on the tool support surface 25 of which an endless grinding or polishing belt rolls off during operation.
- the tool carrier 23 has an axial opening 29, which is used for connection to a rotary drive (not shown).
- the grinding element, i. H. the endless grinding belt 27 is not received by the tool support surface 25, as in the exemplary embodiments shown in FIG. 1 and FIG. 2, by means of a material connection, but by means of a non-positive connection.
- 1 and 2 consist of a fabric made of natural fibers such as hemp, sisal or flax, which is coated with abrasive grain on the working side.
- the abrasive cloth is impregnated in a manner known per se, for example from phenolic resins, and e.g. sprayed with urea so that the abrasive grain adheres well.
- the abrasive belt 27 also consists of a woven fabric made of natural fibers with an abrasive grain.
- the grinding tool comprises a disk-shaped tool carrier 10, a separate fabric carrier 26, which can be detachably attached to the tool carrier 10, and radially aligned grinding flaps 16 mounted thereon.
- the basic material for tool carriers 10, fabric carrier 26 and grinding flaps 16 are each natural fibers that are processed and adapted differently depending on the intended use.
- micro hooks 12 which are also referred to as Velcro hooks. They interact with a support 30 made of loose threads as a so-called Velcro fastener, so that the tissue carrier 26 can be easily attached to or removed from the tool carrier.
- a support 30 made of loose threads as a so-called Velcro fastener, so that the tissue carrier 26 can be easily attached to or removed from the tool carrier.
- the natural fibers are provided with an impregnation which improves the adhesive connection with the grinding flaps 16.
- the tissue carrier 26 covered with grinding lamella 16 is thus an object which, after the grinding lamella 16 has worn, can be replaced by a new tissue carrier occupied by unused grinding lamella 16, while the tool carrier 10 can be retained in order to conserve resources.
- a plate-shaped base body 61 is produced from a pulp made of natural fibers and binding agents as well as homogeneously distributed abrasive grain. It is then pressed under increased pressure and at elevated temperature, the blanks 62 of the tools being shaped and pressed next to one another. The blanks 62 receive the final shape and strength of the end product. The blanks 62 are punched out in a final punching process. Thanks to the integrated abrasive grain, these tools can be used as cutting discs, for example.
- tools produced in this way can be covered with abrasive grain on their end face after punching out, so that they can be used for grinding, roughing or polishing surfaces.
- Tool carriers according to FIGS. 1 and 4 can be produced in the same way as illustrated in FIG. 6.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06016758.2A EP1741516B1 (de) | 1999-06-22 | 2000-06-23 | Werkzeugträger |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29910931U DE29910931U1 (de) | 1999-06-22 | 1999-06-22 | Werkzeugträger |
DE29910931U | 1999-06-22 | ||
PCT/EP2000/005796 WO2000078506A1 (de) | 1999-06-22 | 2000-06-23 | Werkzeugträger |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06016758.2A Division EP1741516B1 (de) | 1999-06-22 | 2000-06-23 | Werkzeugträger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1105252A1 true EP1105252A1 (de) | 2001-06-13 |
EP1105252B1 EP1105252B1 (de) | 2007-02-14 |
Family
ID=8075173
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06016758.2A Expired - Lifetime EP1741516B1 (de) | 1999-06-22 | 2000-06-23 | Werkzeugträger |
EP00943868A Expired - Lifetime EP1105252B1 (de) | 1999-06-22 | 2000-06-23 | Werkzeugträger |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06016758.2A Expired - Lifetime EP1741516B1 (de) | 1999-06-22 | 2000-06-23 | Werkzeugträger |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP1741516B1 (de) |
AT (1) | ATE353739T1 (de) |
DE (2) | DE29910931U1 (de) |
ES (2) | ES2280228T3 (de) |
WO (1) | WO2000078506A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015011442A1 (de) | 2015-09-01 | 2017-03-02 | Gerd Eisenblätter Gmbh | Fächerschleifscheibe, Tragteller dafür und Verfahren zu deren Herstellung |
DE102016002400A1 (de) | 2016-02-29 | 2017-08-31 | Gerd Eisenblätter Gmbh | Schleifscheibe und Tragteller dafür |
DE102016002401A1 (de) | 2016-02-29 | 2017-08-31 | Gerd Eisenblätter Gmbh | Schleifscheibe und Tragteller dafür |
Families Citing this family (8)
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 |
CN101376233B (zh) * | 2007-08-27 | 2010-09-15 | 四川省三台县固锐实业有限责任公司 | 一种翘八度平面砂布轮 |
FI125880B (fi) | 2009-04-29 | 2016-03-31 | Picote Oy Ltd | Työkalu ja menetelmä putkiston saneeraamiseen |
WO2012000647A1 (de) * | 2010-06-29 | 2012-01-05 | Gerd Eisenblätter Gmbh | Werkzeugträger mit einer verstärkung aus jutefaser, sowie spritzgiessverfahren zur herstellung eines solchen werkzeugträgers |
DE102012021267B4 (de) | 2012-09-18 | 2022-02-24 | Ppr Gmbh | Fächerschleifscheibe |
ES2553006T3 (es) | 2012-09-18 | 2015-12-03 | Ppr Gmbh | Muela abrasiva de abanico |
TWI583730B (zh) | 2014-05-29 | 2017-05-21 | 聖高拜磨料有限公司 | 具有包含聚合物材料之核的磨料製品 |
DE102021127343A1 (de) | 2021-10-21 | 2023-04-27 | Klingspor Ag | Schleifvorrichtung mit Trägerrad und Schleifmittel |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB951450A (en) * | 1959-05-15 | 1964-03-04 | Osborn Mfg Co | Abrasive articles |
US3498010A (en) * | 1965-06-03 | 1970-03-03 | Nobuyoshi Hagihara | Flexible grinding disc |
US3449871A (en) * | 1966-06-18 | 1969-06-17 | Hisamine Kobayashi | Beeline flow finishing method and apparatus |
DE4020461C1 (en) * | 1990-06-27 | 1991-07-18 | Gerd Eisenblaetter Gmbh, 8192 Geretsried, De | Face grinding disc tool - has replaceable grinding disc with backing disc having plastics rods |
US5316812A (en) | 1991-12-20 | 1994-05-31 | Minnesota Mining And Manufacturing Company | Coated abrasive backing |
AU1735295A (en) * | 1994-02-22 | 1995-09-04 | Minnesota Mining And Manufacturing Company | Method for making an endless coated abrasive article and the product thereof |
-
1999
- 1999-06-22 DE DE29910931U patent/DE29910931U1/de not_active Expired - Lifetime
-
2000
- 2000-06-23 EP EP06016758.2A patent/EP1741516B1/de not_active Expired - Lifetime
- 2000-06-23 DE DE50014059T patent/DE50014059D1/de not_active Expired - Lifetime
- 2000-06-23 WO PCT/EP2000/005796 patent/WO2000078506A1/de active IP Right Grant
- 2000-06-23 EP EP00943868A patent/EP1105252B1/de not_active Expired - Lifetime
- 2000-06-23 ES ES00943868T patent/ES2280228T3/es not_active Expired - Lifetime
- 2000-06-23 ES ES06016758.2T patent/ES2476795T3/es not_active Expired - Lifetime
- 2000-06-23 AT AT00943868T patent/ATE353739T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO0078506A1 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015011442A1 (de) | 2015-09-01 | 2017-03-02 | Gerd Eisenblätter Gmbh | Fächerschleifscheibe, Tragteller dafür und Verfahren zu deren Herstellung |
DE102016002400A1 (de) | 2016-02-29 | 2017-08-31 | Gerd Eisenblätter Gmbh | Schleifscheibe und Tragteller dafür |
DE102016002401A1 (de) | 2016-02-29 | 2017-08-31 | Gerd Eisenblätter Gmbh | Schleifscheibe und Tragteller dafür |
DE102016002401B4 (de) | 2016-02-29 | 2024-05-16 | Gerd Eisenblätter Gmbh | Schleifscheibe mit unsymmetrischem Tragteller |
Also Published As
Publication number | Publication date |
---|---|
EP1741516B1 (de) | 2014-04-02 |
EP1105252B1 (de) | 2007-02-14 |
DE29910931U1 (de) | 1999-08-26 |
DE50014059D1 (de) | 2007-03-29 |
ATE353739T1 (de) | 2007-03-15 |
ES2476795T3 (es) | 2014-07-15 |
ES2280228T3 (es) | 2007-09-16 |
EP1741516A1 (de) | 2007-01-10 |
WO2000078506A1 (de) | 2000-12-28 |
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