EP4110552A1 - Outil de polissage - Google Patents

Outil de polissage

Info

Publication number
EP4110552A1
EP4110552A1 EP21709892.0A EP21709892A EP4110552A1 EP 4110552 A1 EP4110552 A1 EP 4110552A1 EP 21709892 A EP21709892 A EP 21709892A EP 4110552 A1 EP4110552 A1 EP 4110552A1
Authority
EP
European Patent Office
Prior art keywords
polishing
lamellae
tool
fleece
polishing tool
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
EP21709892.0A
Other languages
German (de)
English (en)
Other versions
EP4110552B1 (fr
Inventor
Marion Wendt-Ginsberg
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 Poliertechnik GmbH and Co KG
Original Assignee
Wendt Poliertechnik 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
Priority claimed from DE202020000786.2U external-priority patent/DE202020000786U1/de
Priority claimed from DE102020001283.3A external-priority patent/DE102020001283A1/de
Application filed by Wendt Poliertechnik GmbH and Co KG filed Critical Wendt Poliertechnik GmbH and Co KG
Publication of EP4110552A1 publication Critical patent/EP4110552A1/fr
Application granted granted Critical
Publication of EP4110552B1 publication Critical patent/EP4110552B1/fr
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
    • 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
    • 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

Definitions

  • the invention relates to a polishing tool, in particular for rotating drive by a machine tool, in particular a handheld machine, about an axis of rotation, with a carrier body and a polishing body attached to the carrier body, the polishing body comprising a number of lamellae.
  • polishing When polishing, surfaces are finely machined with a polishing tool that is moved in relation to the workpiece. Due to the energy input via the relative movement and the contact pressure, the surface of a particularly metallic workpiece is machined without any significant change in the workpiece contour by leveling the surface roughness, removing possible impurities and, to a lesser extent, by removing material from roughness peaks on the workpiece surface.
  • a polishing agent is used that consists of unbound mineral powder, mostly metal oxides with a high melting point and a low tendency to dissolve in water or oil.
  • the mineral powder forms particles with a geometrically undefined shape.
  • the mineral powder is slurried or processed into polishing pastes or polishing agent suspensions by mixing with heat-resistant fats or paraffins. Through the particles, the pressure of the tool is transferred selectively from the particles to the workpiece surface via the very small contact area and leads to local and short-term flow processes that lead to a reduction in the surface roughness.
  • hand-operated machines with polishing tools are usually used, which do not have a workpiece-specific contour and are not intended for shaping the workpiece. Rather, the polishing mostly involves reworking the surface for decorative purposes or restoring such a surface in a repair shop (e.g. polishing up painted parts, polishing off scratches), or for technical reasons, e.g. in mold making.
  • Hand drills, angle grinders or straight grinders are particularly suitable as hand-operated machines.
  • polishing disks or buffing bells are also known, in particular for use in vehicle bodies before and after painting, in which the polishing body of the polishing tool consists of a package of cotton cloths placed on top of one another and quilted according to the desired strength consists, which are arranged radially to a bore of a clamping pin or to such a clamping pin.
  • solid felt polishing disks are known as felt polishing bodies, which can be used together with receiving mandrels for fastening the felt polishing disks with machines.
  • a number of contoured felt polishing bodies are known, which range from small spherical shapes of the felt through various partially conical designs to solid cylindrical felt polishing bodies.
  • These felt polishing bodies are also provided with shafts for mounting in conventional drill chucks.
  • a polishing disk made of a fiber material and a use of such a polishing disk for polishing watch cases is known.
  • a relatively narrow polishing disk is described, for which it is specified as a special feature that it consists of a single solid fiber material, the disk being cut transversely from the outer circumference in the direction towards the center.
  • Three radial zones are formed in the disk.
  • the outer zone has a large number of such incisions. Only every second of the incisions is continued into the radially more inner zone. The radially innermost zone has no such cuts.
  • these incisions do not run exactly radially, but are curved against the direction of rotation and the tangents of the curved incision relative to the radial one around one Angle oc are inclined, the angle oc increasing from the outside to the inside.
  • an inclination of 20 is specified there as the preferred value for the angle ⁇ . The inclination takes place in such a way that the tangents point past the core of the disk in the direction of rotation, ie that the slotted, radially outer parts of the polishing disk are pressed against one another by the inertia during rotation and thus make the polishing disk particularly hard in the radial direction.
  • the slot is intended to enable improved lateral (axial) mobility of the disk. Furthermore, it is indicated as particularly preferred to use a relatively hard felt for the polishing pad. As a result, a polishing wheel that is very hard in the radial direction but relatively flexible in the axial direction is obtained.
  • the workpiece is machined with the radially outer circumference of the tool.
  • abrasives When grinding, i.e. machining the surface of workpieces with a tool with a geometrically undefined cutting edge, abrasives are used in the form of abrasive grains that are bound to the tool. Depending on the flexibility of the grinding tool, when the workpiece surface is processed, the tool contour is transferred to the workpiece to a greater or lesser extent.
  • bonded abrasives In grinding tools with bonded grain, also known as bonded abrasives, the abrasive grains are embedded in a synthetic resin compound. These grinding tools are used in the form of grindstones and grinding wheels for shaping and surface treatment of workpieces. Such grinding tools are rigid, which on the one hand facilitates the creation of a surface contour, but brings with it the problem that abrasive grain can break out in an uncontrolled manner and in larger fractions and thus lead to an uneven grinding pattern on the surface of the workpiece.
  • abrasives are coated. These are described in detail in DIN ISO 16057. Paper, fabric, polyester and fiber (vulcanized fiber) can be used as carrier material for coated abrasives. These backing materials enable grinding tools with an even set of abrasive grains of various grain sizes and abrasives. The abrasive grains are attached to the carrier material with a synthetic resin bond. Since the backing material of the coated abrasives is flexible, such abrasives are also referred to as flexible abrasives. For the use of such Grinding tools in sheet form require a supporting support part for use when grinding with machines, usually in the form of a so-called backing plate, as standardized in DIN ISO 15636.
  • EP 1 093 885 A1 states that a similar disc grinding tool is known from EP 922 535 A1, in which elastic intermediate elements are to be arranged between the individual grinding lamellas. Furthermore, from US Pat. No. 4,517,773, for example, a grinding tool is known in which the grinding lamellas are not designed to protrude perpendicularly from a plate-shaped base body, but are arranged to protrude radially from a cylinder that is rotatably driven about its longitudinal axis.
  • the individual grinding flaps or bundles of grinding flaps can be stiffened on one side by a support sheet in order to prevent the grinding flaps from being deflected too much.
  • These support sheets are flexurally elastic, but designed to be more rigid than the actual grinding lamellae. Gaps are provided between the individual sanding lamellae or sanding lamella bundles, which should lead to an irregular sanding pattern, especially when processing soft materials such as wood.
  • EP 1 093 885 A1 proposes a disc grinding tool with grinding lamellae arranged radially with respect to the grinding tool axis, perpendicular to the tool body.
  • two intermediate elements are arranged between the grinding flaps, for example.
  • the first intermediate element should consist of a pressure-elastic material and should not come into contact with the side of the lamella that is not coated with abrasive.
  • a further intermediate element is arranged between this intermediate element and the side of the lamella coated with abrasive.
  • This intermediate element is preferably made of a plastic and has good flexibility, but has a higher resistance to wear than the first intermediate element. This arrangement is intended to improve the wear behavior of the intermediate elements during operation of the grinding tool.
  • a flap grinding tool is known with a sequence of overlapping flaps, the abrasive grains included, these lamellae being formed alternately from abrasive lamellae and compressible lamellae.
  • Each grinding flap should rest with its operative part on a compressible flap and be carried by the compressible flap.
  • the slats should also be able to be combined to form groups of slats of the type in question.
  • WO 2015/085211 A1 describes a coated abrasive material with a base comprising a web or fleece made of a polyester-based material impregnated with a phenolic resin, an acrylic resin, a urethane resin or a combination thereof, with an abrasive layer covering the base and containing abrasive particles .
  • a flap grinding tool is known from US Pat. No. 4,275,529 A, in which grinding flaps are bundled into packages and intermediate layers made of an abrasive fleece are arranged between adjacent grinding flap bundles.
  • Flap grinding tools with successive flaps made of abrasive fleece and abrasive cloth are available from SKDS sro, Luzany u Pfestic, CZ, on the SKDS.cz website under the name "Lameloveombinovane kotouce s upinaci stopkou", type designation BKC, in the various abrasive combinations of corundum / corundum, Corundum / zirconium, carbide / corundum known.
  • a flap disc is known with first lamellas made of a base, a basic bond layer applied to the base, a scattered layer of abrasive grain applied to the basic bond layer and a cover layer applied to the abrasive grain scattered layer, and of second lamellas, consisting of a base and a layer with abrasive substances applied to the base. Potassium fluoroborate, cryolite, calcium fluoride and chiolite are proposed as abrasive substances. Such a design should be able to produce a flap disc with reduced manufacturing and material costs.
  • a flap disc in which the slats are arranged in a shingled overlapping manner on the sanding plate.
  • the lamellas are made of cotton or polyester fabric on which abrasive particles are bonded by means of phenolic resin.
  • the proposed arrangement is intended to cause worn abrasive particles to break out at the wear edges of the lamellas and the relatively flexible carrier fabric that is then exposed to wear quickly, exposing fresh abrasive grains with which the grinding process can be continued continuously.
  • grinding marks should be made by setting down the tool and New batch after replacing a worn or clogged grinding wheel can be reduced.
  • a polishing brush is known from US Pat. No. 3,529,385 A, which consists of strips of a fleece material, the number of strips increasing from the center of the carrier disk to the radially outer edge, so that the density of the strips is uniform or is set higher at the radially outer edge can be.
  • a porous polishing tool and a method for polishing a roller are known from DE 199 30 373 A1, which is intended to make it possible to polish a roller within a satisfactory dimensional accuracy while avoiding feed marks and striped printing effects when the polished roller is to be used for printing.
  • a polishing pad which has a short fibrous web layer with a strong bond to a holding layer, and a Velcro adhesive layer is attached to the back of the polishing pad in order to detachably attach the polishing pad to a corresponding polishing pad. It is stated as an advantage that it is possible to remove the polishing disk from the polishing plate and wash it in household or industrial washing machines and thereby remove dried-on polishing agent and polishing dust. This is to ensure that the polishing pad can be used a few times.
  • a lamella polishing tool is known from WO 2002/018102 A1 and US Pat.
  • lamellae made of polishing felt of different densities.
  • intermediate layers for stiffening the tool between at least some of the felt lamellas.
  • a disk for the efficient processing of largely flat surfaces using an angle grinder, it is proposed to use a disk as a support body and to arrange the felt lamellae on the axial face of the disk so as to protrude radially.
  • inner edge areas should also be able to be polished particularly well.
  • a suitable polishing paste that matches the hardness of the felt material and its porosity, the type of fat or oil being added to avoid premature clogging of the polishing tool. Such premature clogging leads to streaks and streaks on the workpiece and, in extreme cases, can lead to burn marks.
  • polishing discs described in the utility model DE-GM 1 940 005 in which an adapted polishing agent is to be integrated in a soft bond.
  • the textile should be soaked with the polishing agent preparation or such should be embedded, e.g. by wrapping it in pieces of cloth. It is emphasized as essential that the cloth-like character of such a polishing wheel should be retained, as in the case of the known polishing wheels made up of flat or fluffed cloth layers.
  • the operator must maintain an adapted contact pressure in order to obtain the desired polishing effect on the one hand and to avoid overheating on the other.
  • overheating can lead to burn marks on the workpiece or to charring of the polishing felt, which in turn can lead to scratches on the workpiece when the polishing tool is used in the future.
  • the polishing result is therefore dependent on a certain experience and practice on the part of the operator as well as his or her experience in suitable selection of a polishing body with a suitable hardness and a polishing agent adapted to the material of the workpiece and the polishing body.
  • the invention is therefore based on the object of providing a polishing tool that has improved properties with regard to its handling and with regard to a more efficient use of work.
  • the object is achieved according to the invention by a polishing tool of the type mentioned at the beginning for rotary drive by a drive machine around an axis of rotation, with a carrier body and a polishing body attached to the carrier body, the polishing body comprising a number of first lamellae and at least a number of second lamellae wherein the first lamellae comprise a polishing felt and the second lamellae a fleece, wherein the fleece is essentially formed from plastic fibers and wherein the fleece has a greater porosity than the polishing felt.
  • the porosity of the fleece is formed by the cavities between the fibers.
  • the fleece absorbs the polishing paste that needs to be added during operation and gradually releases it when the tool is used.
  • the fleece thus acts as a depot for the polishing paste during operation.
  • the configuration of a polishing tool according to the invention now makes it possible to fine-grind and polish an unmachined workpiece surface in a single operation with just one tool. Due to the depot effect of the abrasive fleece for the polishing agent, in many cases it is no longer necessary to interrupt the polishing process in order to add more polishing agent, which not only saves considerable time, but also prevents the surface from being impaired by interruptions that require reworking .
  • a polishing tool according to the invention thus enables faster and more effective fine machining of a surface of a workpiece for a large part of the typical applications.
  • the fine machining of workpiece surfaces can thus be carried out much more economically with the polishing tool according to the invention than with the tools known up to now.
  • the carrier body is designed as a carrier disk.
  • the carrier disk can preferably be produced as a synthetic resin-bonded glass fiber plate or essentially from a plastic, preferably a fiber-reinforced plastic, from aluminum, from a flat paper (fiber material), from a composite material or from steel.
  • the lamellae are preferably arranged along the circumference of the carrier disk, preferably projecting radially beyond it, on the axial end face of the disk. With such an embodiment, inner edge areas can also be polished particularly well.
  • first and second lamellae are aligned essentially parallel to the axis of rotation.
  • Such a polishing tool according to the invention can also be placed over the entire surface for polishing, corresponding to a setting angle of 0 °.
  • first and second lamellae are arranged at an angle with respect to the axis of rotation and the carrier disk, preferably projecting radially beyond the edge of the carrier disk.
  • the second lamellas comprise a fleece with abrasive bonded to fibers.
  • a grain size of at least about 320 is preferred, corresponding to a particle size of less than 50 ⁇ m.
  • the second lamellae comprise a fleece without abrasives bound to fibers.
  • the material of the plastic fibers consists of a plastic filled with an aluminum silicate powder.
  • the polishing body further comprises a number of third lamellae, the second and third lamellae each comprising a fleece with and without an abrasive bonded to fibers.
  • the advantages of fleece lamellas with and without abrasives can be combined, while at the same time a particularly flexible polishing tool for strongly contoured surfaces can be obtained.
  • the polishing body has first and second lamellae in a ratio of 1: 1, 1: 2 or 1: 3.
  • the second lamellae made of fleece are at least partially filled with a polishing paste.
  • the polishing paste is located in the cavities between the fibers of the fleece. This creates a polishing agent depot from which the polishing agent is continuously dispensed during the machining process.
  • the amount of polishing agent can be adjusted via a thickness and density of the fleece so that the polishing agent depot in the fleece lamellae is sufficient for the service life of the tool.
  • the user of the tool is thus not concerned with questions of selecting the correct polishing agent and adding appropriate amounts of the polishing agent.
  • Such a tool is particularly suitable for repeated processing of larger areas, even by semi-skilled personnel.
  • the envelope can be designed, for example, in the form of a film or in the manner of a wax envelope.
  • the cover usually has to be removed by the user before using the tool.
  • the envelope can also be formed by a - possibly also reusable - packaging for one or more of the polishing tools according to the invention.
  • Fig. 1 a first embodiment of a polishing tool according to the invention in
  • FIG. 2 the lamellar polishing disk from FIG. 1 in a plan view of the polishing side
  • FIG. 3 a second embodiment of a polishing tool according to the invention in the form of a lamellar polishing disk in a perspective view;
  • FIG. 4 the lamellar polishing disk from FIG. 3 in a plan view of the polishing side
  • a third embodiment of a polishing tool according to the invention in the form of a lamellar polishing disk with lying lamellae in a perspective view;
  • FIG. 6 the lamellar polishing disk from FIG. 5 in a plan view of the polishing side
  • FIG. 8 the lamellar polishing disk from FIG. 7 in a plan view of the polishing side
  • a fifth embodiment of a polishing tool according to the invention in the form of a lamellar polishing disc with standing lamellae in a perspective view;
  • FIG. 10 the lamellar polishing disk from FIG. 9 in a plan view of the polishing side
  • FIG. 11 a sixth embodiment of a polishing tool according to the invention in the form of a lamellar polishing disk in a perspective view
  • FIG. 12 the lamellar polishing disk from FIG. 11 in a plan view of the polishing side.
  • the polishing tool according to the invention shown in the figures, designated as a whole by 1 is designed for rotating drive by a machine tool about an axis of rotation 2.
  • the polishing tool 1 has a polishing body that comprises a number of first sipes 3 and at least a number of second sipes 4.
  • the first and second lamellae 3, 4 are attached to a carrier disk 5 as a carrier body.
  • the carrier disk 5 has a receiving surface which is designed to be rotationally symmetrical with respect to the axis of rotation 2 of the polishing tool 1 and to which the lamellae 3, 4 are fastened, for example by means of a synthetic resin adhesive.
  • the receiving surface is arranged axially on the end face on the carrier disk 5.
  • the first lamellae 3 are made of a polishing felt.
  • the felt material of the first lamellae 3 can comprise conventional polishing felts, for example and preferably polishing felt with a pure wool (animal hair) content of at least about 30% and preferably a hardness of 0.14 to 0.68 (W4 to H5) according to DIN 61200 In particular, there are significantly less polishing residues on the workpiece than with other polishing materials.
  • the second lamellae 4 comprise a fleece, the fleece being essentially formed from plastic fibers.
  • the fleece has a greater porosity than the polishing felt.
  • Abrasive fleeces consist of plastic fibers, usually nylon, polyester or mixtures thereof. Depending on the processing, abrasive fleeces of different elasticity and strength are created.
  • a method for producing an abrasive fleece with an abrasive bonded to the fibers in the form of abrasive grains is known, for example, from WO 2017/072293 A1 and US 2018/0326556 A1.
  • the porosity of the fleece is formed by the relatively large cavities between the fibers.
  • the fleece absorbs the polishing paste that needs to be added during operation and gradually releases it when the tool is used.
  • the fleece thus acts as a depot for the polishing paste during operation.
  • a polishing tool according to the invention now makes it possible to finely grind and polish an unmachined workpiece surface in a single operation with just one tool. Due to the depot effect of the abrasive fleece for the polishing agent, in many cases it is no longer necessary to interrupt the polishing process in order to add more polishing agent Surface due to interruptions that require reworking can be avoided.
  • a polishing tool according to the invention thus enables faster and more effective fine machining of a surface of a workpiece for a large part of the typical applications. The fine machining of workpiece surfaces can thus be carried out much more economically with the polishing tool according to the invention than with the tools known up to now.
  • the carrier disk 5 can expediently be produced as a resin-bonded glass fiber plate or from a plastic, preferably a fiber-reinforced plastic, from aluminum, a hard paper (fiber material) or from steel.
  • the carrier disk 5 is expediently cranked, as shown in the figures. As a result, in the case of strongly contoured workpieces, the working distance between the drive machine and the workpiece surface can be increased; on the other hand, such a more rigid configuration of the carrier disk 5 counteracts fluttering of the polishing tool 1.
  • FIGS. 3, 4, 7, 8, 11 and 12 have a carrier disk 5 with a hole 6 for receiving a conventional receiving mandrel for connection to a drive machine.
  • the carrier disk 5 is produced from a fiber-reinforced plastic
  • the edge of the hole 6 is expediently reinforced with a metal eyelet 7 in order to guarantee a secure, centric fit.
  • a diameter of the hole 6 of 22.23 mm is suitable for many angle grinders.
  • first and second lamellae 3, 4 are aligned essentially parallel to the axis of rotation 2, i.e. standing on the axial end face of the carrier disk 5.
  • the lamellae 3, 4 are arranged along the circumference of the carrier disk 5, preferably arranged so as to protrude radially. This can be seen particularly well in FIGS. 1 to 4 and 9 to 12.
  • Such a polishing tool according to the invention can also be placed over the entire surface for polishing, corresponding to a setting angle of 0 °.
  • first and second lamellae 3, 4 are arranged at an angle with respect to the axis of rotation 2 and the carrier disk 5, also preferably the edge of the carrier disk 5 radially outstanding. Such an arrangement is also often referred to as “lying down”. Embodiments with such an arrangement of the lamellae 3, 4 are shown in FIGS.
  • Figures 1, 3, 5, 7, 9 and 11 show a perspective view of the embodiments of a polishing tool 1 according to the invention seen from the drive machine side.
  • Figures 2, 4, 6, 8, 10 and 12 show a plan view of the embodiments of a polishing tool 1 according to the invention, seen from the workpiece side.
  • inner edge areas can also be polished particularly well with such an embodiment, since this polishing tool 1 extends into the corners.
  • a thickness of the lamellae 3, 4 of approximately 1 mm to approximately 20 mm, preferably in the range of approximately 3 mm to approximately 10 mm.
  • the thickness of the first lamellae 3 and the second lamellae 4 can be adjusted. Narrower first lamellae 3 in conjunction with thicker second lamellae 4 result in a higher level of aggressiveness, that is to say removal rate.
  • the second lamellae 4 comprise a fleece with an abrasive bonded to fibers.
  • a grain size of at least about P320 according to FEPA or finer is preferred, corresponding to a particle size of less than about 50 ⁇ m.
  • the second lamellae 4 comprise a fleece without any abrasive material bonded to fibers.
  • the material of the plastic fibers consists of a plastic filled with an aluminum silicate powder.
  • the polishing body further comprises a number of third lamellae 9, the second and third lamellae 4, 9 each comprising a fleece with and without an abrasive bonded to fibers.
  • the advantages of fleece lamellas with and without abrasives can thus be combined, and at the same time a particularly flexible polishing tool 1 for strongly contoured surfaces can be obtained.
  • Such an embodiment can be seen in FIGS.
  • the polishing body has first and second lamellae 3, 4 in a ratio of 1: 1, 1: 2 or 1: 3.
  • An embodiment of a polishing tool 1 according to the invention with first and second lamellae 3, 4 in a ratio of 1: 2 is shown in FIGS. 11 and 12.
  • the second lamellae 4 made of fleece are at least partially filled with a polishing paste.
  • the polishing paste is located in the cavities between the fibers of the fleece. This creates a polishing agent depot from which the polishing agent is continuously dispensed during the machining process.
  • the amount of polishing agent can be adjusted via a thickness and density of the fleece so that the polishing agent depot in the fleece lamellae is sufficient for the service life of the tool.
  • Polishing tool 1 is therefore not concerned with questions of selecting the correct polishing agent and adding appropriate amounts of the polishing agent.
  • Such a polishing tool 1 according to the invention is particularly suitable for the repeated processing of larger surfaces, even by semi-skilled personnel.
  • the polishing body of the polishing tool 1 is provided with a covering that prevents the polishing agent from drying out until it is used.
  • the envelope can be designed, for example, in the form of a film or in the manner of a wax envelope.
  • the covering is usually to be removed by the user before using the tool 1.
  • the envelope can also be formed by a - possibly also reusable - packaging for one or more of the polishing tools 1 according to the invention.

Landscapes

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

Abstract

L'invention concerne un outil de polissage (1) qui comporte des améliorations en termes de maniement et d'efficacité d'utilisation, destiné à être entraîné en rotation par une machine d'entraînement autour d'un axe de rotation (2), l'outil comprenant un corps de support et un corps de polissage disposé sur le corps de support, le corps de polissage comprenant un certain nombre de premières lamelles (3) et au moins un certain nombre de secondes lamelles (4), les premières lamelles (3) comprenant un feutre de polissage et les secondes lamelles (4) comprenant un non-tissé, le non-tissé étant constitué principalement de fibres de matière plastique et le non-tissé présentant une porosité supérieure à celle du feutre de polissage.
EP21709892.0A 2020-02-28 2021-02-28 Outil de polissage Active EP4110552B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202020000786.2U DE202020000786U1 (de) 2020-02-28 2020-02-28 Polierwerkzeug
DE102020001283.3A DE102020001283A1 (de) 2020-02-28 2020-02-28 Polierwerkzeug
PCT/EP2021/025080 WO2021170298A1 (fr) 2020-02-28 2021-02-28 Outil de polissage

Publications (2)

Publication Number Publication Date
EP4110552A1 true EP4110552A1 (fr) 2023-01-04
EP4110552B1 EP4110552B1 (fr) 2024-04-10

Family

ID=74858385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21709892.0A Active EP4110552B1 (fr) 2020-02-28 2021-02-28 Outil de polissage

Country Status (4)

Country Link
US (1) US20230136260A1 (fr)
EP (1) EP4110552B1 (fr)
MX (1) MX2022010370A (fr)
WO (1) WO2021170298A1 (fr)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191208A (en) 1962-04-19 1965-06-29 George R Churchill Company Inc Buffing wheel
US3529385A (en) 1968-11-12 1970-09-22 Norton Co Abrasive brush
DE7903893U1 (de) 1979-02-13 1979-05-17 Fa. August Rueggeberg, 5277 Marienheide Rotations-schleifwerkzeug
US4275529A (en) 1979-08-28 1981-06-30 Minnesota Mining And Manufacturing Company High flap density abrasive flap wheel
DE3145151C2 (de) 1981-11-13 1986-02-06 Bayerische Motoren Werke AG, 8000 München Antreibbare Walze zum Überschleifen oder Polieren der Oberfläche einer Fahrzeugkarosserie oder dergleichen
CH666377GA3 (fr) 1986-06-03 1988-07-29
US5752876A (en) 1995-10-23 1998-05-19 Weiler Brush Company, Inc. Flap disc abrasive tool
EP0922535B1 (fr) 1997-12-12 2002-04-10 Botech AG Gesellschaft für Beratung und Oberflächentechnik Outil pour le traitement abrasif de surfaces
JP3006591B2 (ja) 1998-07-02 2000-02-07 信濃電気製錬株式会社 ロール研磨用多孔質砥石及びロール表面の研磨方法
DE19843267A1 (de) 1998-09-21 2000-03-23 Martin Wiemann Polierscheibe
DE19853550C1 (de) 1998-11-20 2000-03-09 Ver Schmirgel & Maschf Fächerschleifscheibe
EP1093885A1 (fr) 1999-10-18 2001-04-25 Botech AG Outil de meulage
DE10042109C2 (de) 2000-08-28 2003-07-03 M & F Entw & Patentverwertungs Polierwerkzeug
BE1015278B3 (nl) 2004-03-03 2005-11-08 Cibo N V Schuurelement.
JP6317446B2 (ja) 2013-12-06 2018-04-25 サンーゴバン アブレイシブズ，インコーポレイティド 不織布材料を含む塗布研磨材製品
EP3162502A1 (fr) 2015-10-28 2017-05-03 VSM. Vereinigte Schmirgel- Und Maschinen-Fabriken AG Non-tisse abrasif et son procede de fabrication

Also Published As

Publication number Publication date
WO2021170298A1 (fr) 2021-09-02
EP4110552B1 (fr) 2024-04-10
US20230136260A1 (en) 2023-05-04
MX2022010370A (es) 2022-11-08

Similar Documents

Publication Publication Date Title
DE602005001842T2 (de) Schleifelement
CH372567A (de) Körper für Schleif-und Polierzwecke und Verfahren zu dessen Herstellung
DE102011108859B4 (de) Rotationssymmetrisches Werkzeug zur spanenden Bearbeitung von Materialoberflächen, Scheibe oder Ringscheibe zur Verwendung bei einem derartigen Werkzeug sowie Verfahren zur Herstellung eines solchen Werkzeugs
CH646628A5 (de) Schleifkoerper fuer die metallbearbeitung.
DE202012101515U1 (de) Schleifmittel und Schleifwerkzeug
EP1827762B1 (fr) Produit abrasif et son procede de production
DE10042109C2 (de) Polierwerkzeug
EP1120198B1 (fr) Outil de meulage, dispositif ainsi équipé et procédé d'usinage de pièces mettant en oeuvre cet outil
DE69907280T2 (de) Schleifscheibe mit stützteller
DE3413598A1 (de) Verfahren zur herstellung einer profilschleifscheibe
EP1859903B1 (fr) Outil rotatif pour le traitement de surface
EP3210721B1 (fr) Utilisation d'une tete de brosse
EP4110552B1 (fr) Outil de polissage
EP1961519A1 (fr) Meule
DE102020001283A1 (de) Polierwerkzeug
DE202020000786U1 (de) Polierwerkzeug
DE102017105394B4 (de) Polierscheibe oder -walze
DE2931695A1 (de) Schleifkoerper zum vor- und nachschleifen
DE69911546T2 (de) Verfahren zum elektrolytischen Polieren von Werkstücken mit Anwendung spezieller Schleifmaterialien
DE2322602A1 (de) Laepp-kissen
WO2005095058A1 (fr) Tete de meulage pour dispositif de meulage
DE102005056368B4 (de) Schleifmittel und Verfahren zu dessen Herstellung
EP1797995B1 (fr) Outil abrasif
EP0446871A1 (fr) ProcÀ©dé et dispositif pour meuler et/ou affûter le tranchant d'un outil de coupe
DE820888C (de) Drahtbuerste fuer die Bearbeitung der Oberflaeche von Werkstuecken

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220927

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
INTG Intention to grant announced

Effective date: 20230413

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

INTC Intention to grant announced (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20231010

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502021003308

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN