EP3015222B1 - Disque de meulage - Google Patents

Disque de meulage Download PDF

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Publication number
EP3015222B1
EP3015222B1 EP15176163.2A EP15176163A EP3015222B1 EP 3015222 B1 EP3015222 B1 EP 3015222B1 EP 15176163 A EP15176163 A EP 15176163A EP 3015222 B1 EP3015222 B1 EP 3015222B1
Authority
EP
European Patent Office
Prior art keywords
grinding
blanks
grinding disc
circular
abrasive
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.)
Active
Application number
EP15176163.2A
Other languages
German (de)
English (en)
Other versions
EP3015222A1 (fr
Inventor
Jan Schuster
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.)
Lukas-Erzett Vereinigte Schleif- und Fraswerkzeugfabriken & Co KG GmbH
Original Assignee
Lukas-Erzett Vereinigte Schleif- und Fraswerkzeugfabriken & Co KG 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
Application filed by Lukas-Erzett Vereinigte Schleif- und Fraswerkzeugfabriken & Co KG GmbH filed Critical Lukas-Erzett Vereinigte Schleif- und Fraswerkzeugfabriken & Co KG GmbH
Priority to EP15176163.2A priority Critical patent/EP3015222B1/fr
Priority to ES15176163.2T priority patent/ES2653813T3/es
Priority to PL15176163T priority patent/PL3015222T3/pl
Priority to SI201530140T priority patent/SI3015222T1/en
Publication of EP3015222A1 publication Critical patent/EP3015222A1/fr
Priority to CA2992056A priority patent/CA2992056C/fr
Priority to RU2018104814A priority patent/RU2664842C1/ru
Priority to MX2018000272A priority patent/MX2018000272A/es
Priority to SG11201800067VA priority patent/SG11201800067VA/en
Priority to US15/742,715 priority patent/US10500698B2/en
Priority to PCT/EP2016/065107 priority patent/WO2017005569A1/fr
Priority to JP2018512250A priority patent/JP6494866B2/ja
Priority to UAA201712795A priority patent/UA121498C2/uk
Priority to CN201680040389.XA priority patent/CN107848095B/zh
Priority to BR112018000050-7A priority patent/BR112018000050B1/pt
Application granted granted Critical
Publication of EP3015222B1 publication Critical patent/EP3015222B1/fr
Priority to PH12018500072A priority patent/PH12018500072A1/en
Priority to CL2018000069A priority patent/CL2018000069A1/es
Priority to ZA2018/00503A priority patent/ZA201800503B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B24D13/06—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
    • 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
    • B24D13/08—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising annular or circular sheets packed side by side
    • 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

Definitions

  • the invention relates to a grinding wheel with which a workpiece can be abraded.
  • the grinding wheel can be driven to rotate about an axis of rotation and has a front side and a rear side facing away from the front side.
  • the grinding wheel is in particular connectable to a drive machine in order to be driven.
  • the grinding wheel has a multi-layer sanding disk package with a plurality of sanding blanks, wherein the sanding blanks are stacked flat over the axis of rotation and each have a central opening. The central openings together form a recess of the Schleifrondenvers.
  • Such a grinding tool is from the WO97 / 05991 A1 and the DE 10 2008 023 946 B3 known.
  • the tool according to the WO97 / 05991 A1 comprises a plurality of superimposed discs of a flexible abrasive material, each disc having a central hub portion.
  • the discs each have in the hub portion on a central opening, with which the discs are threaded onto a mandrel or a spindle and are clamped together centrally via clamping plate.
  • the apertures of the discs together form a recess for receiving the mandrel or the spindle.
  • the individual discs are radially cut and form radially extending fingers, which form the grinding area of the tool.
  • the grinding area or the part of the tool which is active for machining a workpiece is not axially supported or stiffened in the direction parallel to the axis of rotation. Rather, the tool behaves flexibly according to the strengths and flexibilities of the individual discs. The wear during use of such grinding tools causes fanning and tearing big pieces of slices.
  • the DE 10 2011 108 859 A1 describes a tool for machining of material surfaces with a plurality of slices formed for machining, which are drivable about an axis of rotation.
  • the individual disks are stacked on one another in such a way that they overlap one another in such a way that a portion of each disk comes to rest on a disk through an incision of an overlying disk.
  • the discs are thus interleaved or interlaced.
  • These discs, which are interconnected in this way, can be designed as a grinding disc pack and fastened on a carrier plate.
  • DE 195 11 004 C1 shows a tool with a plate-shaped carrier having a mounting surface. On the mounting surface an annular lining is arranged.
  • the annular covering consists of a plurality of grinding blades, which are arranged in a ring-like shingle-like manner partially overlapping. Due to the shingle-like arrangement of the grinding blades, they are not aligned in a planar manner to a surface of the tool to be machined.
  • Object of the present invention is to provide a grinding wheel, which ensures an optimized alignment of the effective grinding surface to the workpiece and has a long service life.
  • the grinding wheel has a carrier plate, which is arranged in the recess formed by the apertures of at least a part number, respectively a plurality of grinding blanks, wherein each individual grinding blank is fastened to the carrier plate.
  • the individual Schleifronden must therefore not be interconnected or interconnected. However, it is not excluded that in addition to the attachment of each individual Schleifronde on the carrier plate and a compound of the Schleifronden can be provided with each other. It is important, however, that the abrasive blanks of the abrasive blotter package be individually secured to the backing, so that not by the tearing of a single Schleifronde from the carrier the entire Schleifrondenvers is detached from the carrier.
  • the Schleifrondenb is disposed between the front and the back of the grinding wheel.
  • an outer first sanding disk of the Schleifrondenpaktes forms the front.
  • an outer last abrasive blank of the abrasive blanket package forms the backside of the grinding wheel.
  • the axis of rotation is defined by a longitudinal axis extending perpendicular to the front and perpendicular to the back of the grinding wheel, which extends through the center of rotation of the grinding wheel.
  • the recess is formed differently at least over a longitudinal section in the circumference.
  • the shape and / or size of the recess is defined by the central openings of at least a part number or plurality of Schleifronden, respectively limited.
  • the central openings of at least a subset of the grinding blanks of the Schleifrondenpaktes can be designed to be different in size.
  • each of the openings in comparison with the other openings may have a different sized cross-sectional area.
  • some of the openings may be the same size or have the same size cross-sectional areas, so that only a subset of the apertures is formed differently large.
  • the recess may be designed in such a way that, starting from the front side toward the back side of the abrasive-disk package, it is designed to become larger in circumference.
  • the recess is thus designed substantially cone-shaped, with the cone opens to the back of the Schleifrondenvers out.
  • the central apertures of the grinding blanks can be made larger, starting at the front side toward the rear side, at least along a section extending parallel to the axis of rotation or longitudinal section, ie in the direction of the axis of rotation.
  • the abrasive blanks of a first half of the abrasive blotter package extending, for example, from the front to the top extends to the center of the grinding wheel, successively larger breakthroughs have.
  • the central apertures of the abrasive blanks can be made to increase in size at least along a section of the abrasive blotter packet extending parallel to the axis of rotation starting from the rear side toward the front side.
  • the abrasive blanks of first and second halves of the abrasive blotter stack extending, for example, from the back to the center of the abrasive wheel may have successively larger apertures.
  • the grinding wheel can in particular a first half with abrasive blanks, the openings of which are larger, starting from the front to the back, and a second half with abrasive blanks, whose openings from the back to the front are larger, or from the center of the grinding wheel towards Back again become smaller.
  • the central openings of the grinding blanks, starting from the front side of the abrasive blanket package are made larger toward the rear side.
  • the individual grinding blanks can each be connected to a central ring section on a mounting surface of the carrier plate arranged parallel to the front side.
  • the carrier plate is preferably formed in a longitudinal section, based on the axis of rotation, step-shaped.
  • the carrier plate may have a plurality of rotational axis direction one behind the other arranged mounting surfaces on different diameters about the axis of rotation.
  • the carrier plate is cast into the recess.
  • a curable material such as synthetic resin, epoxy resin, phenolic resin or polyurethane, or other material of an adhesive or Kittsystem be introduced, which holds the individual Schleifronden after curing.
  • a threaded element with an internal thread for fastening the grinding wheel to a drive machine is arranged in the carrier plate.
  • the threaded element e.g. in the form of a threaded nut to be inserted before pouring into the recess.
  • the breakthroughs of the Schleifronden may have a deviating from a circle cross-section.
  • the breakthroughs may be in the form of polygons.
  • other possibilities are conceivable, such as e.g. radially extending recesses or webs.
  • Such a configuration of the openings ensures an increased resistance to rotation of the Schleifrondenvers relative to the carrier plate.
  • the outer peripheral surfaces of the individual abrasive blanks are preferably identical in shape, size and orientation.
  • the outer peripheral surfaces may be circular, so that a circular cylindrical outer surface of the grinding wheel results around the axis of rotation.
  • the abrasive blanks may each have an outer peripheral surface, wherein the outer peripheral surfaces viewed in cross section of the grinding wheel are each arranged to form an angle between 5 ° and 85 °, in particular between 20 ° and 40 °, preferably about 30 ° to the axis of rotation.
  • the outer peripheral surfaces may be arranged roof-shaped.
  • the outer peripheral surfaces of the grinding blanks may lie on a common peripheral surface.
  • the peripheral surface may in particular be conical or cylindrical. Due to the outer peripheral surfaces aligned at an angle to the axis of rotation, good grinding results can be achieved even with a grinding wheel held at an angle to the workpiece.
  • the individual Schleifronden can also have radial recesses, wherein the radial recesses of the individual Schleifronden are identical and are arranged in alignment with each other in the direction of the axis of rotation. This ensures that the result of grinding through the recesses is visible to the user when the grinding wheel is driven in rotation.
  • the grinding wheel is rotationally symmetrical to the axis of rotation.
  • the abrasive wheel may include a backing layer for axially supporting the abrasive wheel package.
  • the support layer is preferably arranged on the back, but could also be arranged on the front side.
  • the support layer may be a fiber element, in particular of a fabric material.
  • the support layer is made of glass fibers and phenolic resin.
  • a maximum radial distance of an outer peripheral surface of the support layer is smaller than a maximum radial distance of an outer circumferential surface of the grinding wheel directly adjacent to the support layer or of all the abrasive blanks.
  • the abrasive blanks may each have an abrasive layer on a side facing the front of the abrasive wheel.
  • the abrasive blanks in particular all abrasive blanks, have their own abrasive layer or abrasive grain coating.
  • the abrasive layer may extend over the entire side facing the front of the grinding wheel or may comprise only a portion of this side. Because the abrasive blanks have an abrasive layer, the abrasive blanks may be successively consumed in sequence starting from the front to the back.
  • At least a subset of the abrasive blanks in addition to or as an alternative to the abrasive layer on the front side of the abrasive blank, may have an abrasive layer or an abrasive grain coating on a side facing the back side of the abrasive wheel. If the grinding wheel has the support layer, which is arranged for example on the back of the grinding wheel, the individual grinding blanks can only on the front-facing surfaces have an abrasive grain coating.
  • the last or the last and further, located directly in front of sanding blanks can be inserted and cast with the grain side opposite to the other layers.
  • the user can use the grinding wheel on both sides and / or also to turn.
  • This can be advantageous if the layers are different, for example, contain different grain sizes.
  • it can also be advantageous for identical abrasive blanks since the flexibility of the abrasive blanks in the grain direction is generally much lower. As a result, the two abrasive coatings of adjacent abrading blanks stabilize each other and the grinding wheel becomes stiffer.
  • the entire abrasive blank may be capable of being sanded, ie, the abrasive layer extends parallel to the axis of rotation over the entire transverse extent of the respective abrasive blank and thus can be used continuously for grinding starting from the side facing the front to the side facing the back.
  • the abrasive blanks of abrasive on pad may be a fabric, scrim or nonwoven (also pressed).
  • the pad used therein may be a fabric, scrim or nonwoven (also pressed).
  • the base and / or the Schleifronden can be as much as possible voltage isotropic.
  • the pad builds, or build the Schleifronden as evenly as possible, i. circular.
  • Tensile strengths in the warp and weft directions or also in the diagonal should be as identical as possible. Examples are, for example, coated abrasives and documents as used in segmented broad bands.
  • the abrasive cloth and the abrasive on backing have relatively high tensile strengths.
  • At least one of the grinding disks may have a plurality of grinding disk segments which abut against one another in the circumferential direction.
  • the waste can be optimized during production of the individual abrasive blanks.
  • the individual Schleifrondensegmente do not overlap, but butt against each other.
  • all of the abrasive blanks are composed of individual abrasive bladder segments.
  • FIGS. 1 to 4 show a first embodiment of a grinding wheel 3 and are described together below.
  • the grinding wheel 3 comprises a Schleifrondenvers 2 with a plurality of individual Schleifronden 6.
  • the Schleifrondenvert 2 is attached to a support plate 1, wherein each individual Schleifronde 6 is directly connected to the support plate 1 and is secured thereto.
  • the grinding wheel 3 is rotatably drivable about a rotation axis D.
  • the grinding wheel 3 has a front side 4 for machining a workpiece. Furthermore, the grinding wheel 3 has a rear side 5 facing away from the front side 4.
  • the individual grinding blanks 6 are stacked flat in the direction of the axis of rotation D one above the other.
  • a final blank 8 is provided, which is part of the multi-layer Schleifrondenpers 2.
  • the end blotter 8 is also an abrasive blotter of the abrasive blotter package 2. However, the blotter 8 is optional and may be omitted. All abrasive blanks 6 have a flexible carrier material and are provided with an abrasive grain coating at least on the surface facing the front side 4. The end blotter 8 may also be provided with an abrasive grain coating or made of the same material as the abrasive blanks 6. Thus, the end blade 8, as the first abrasive blotter, viewed from the front side 4 of the abrasive wheel 3, can contribute a large part to the grinding performance. In principle, the sanding blanks 6 and the end blanks 8 can each also be provided with an abrasive grain coating on the surface facing towards the back 5.
  • the grinding blanks 6 have central openings 7.
  • the final round 8 is provided with a central opening 9.
  • the mecanicronde 8 can also be designed continuously flat without central breakthrough.
  • the central openings 7 of the grinding blanks 6 are circular in the first embodiment of the grinding wheel 3 concentric with the axis of rotation D, wherein the diameter of the central openings 7, starting from the front side 4 towards the back 5, are larger.
  • the openings 7 thus form a central recess 10 in the Schleifrondenb second
  • the carrier plate 1 is cast into the recess 10.
  • a threaded nut 15 with which the grinding wheel 3 can be attached to a drive tool As in FIG. 4 shown, previously be inserted into the recess 10, a threaded nut 15 with which the grinding wheel 3 can be attached to a drive tool.
  • the space around the threaded nut 15 and within the washers can now be filled with a hardening material (synthetic resin, epoxy resin, phenolic polyurethane or any other known in the art adhesive or Kittsystem), which holds the grinding blanks 6 and nut 15 after curing together.
  • threaded nut 15 As an alternative to the threaded nut 15, other threaded elements or sleeves can be used. The prerequisite is always the ability to mount on a drive machine.
  • the threaded nut 15 has the advantage of being quickly screwed onto the angle grinder.
  • An ordinary hexagon nut is already sufficient to improve the stability of the anchoring in the putty or resin system. But there are also other geometries, especially with increased surface (roughened, "wings", “brim”, etc.) conceivable.
  • the material of the threaded element may be metal, preferably stainless metal, but also plastic. Of course, a combination of metal thread, embedded in a plastic ring, etc. is conceivable.
  • the carrier plate 1 has a central aperture 14 for attachment to a prime mover.
  • the recess 10 and the carrier plate 1 are thus designed substantially cone-shaped, wherein the cone angle opens to the back 5 out.
  • the diameter of the apertures 7 of the individual sanding discs 6 are also stepped such that the back 5 facing open exposed ring sections 11, with which the individual sanding discs 6 are arranged in abutment to step-shaped mounting surfaces 12 of the support plate 1 and secured thereto. This ensures that the largest possible area of the individual grinding blanks 6 are in contact with the carrier plate 1. Likewise, the simplifyronde 8 a pointing towards the back 5 facing open ring portion 23, with which the final blank 8 is arranged in contact with a mounting surface 24 of the support plate 1 and is fixed thereto.
  • the individual grinding blanks 6 each have a circular outer circumferential surface 13.
  • the outer peripheral surfaces 13 of all the abrasive blanks 6 and the end blade 8 have the same diameter, so that the overall result is a circular-cylindrical outer surface of the abrasive blotter package 2 with the grinding wheel 3.
  • the recess 10 is designed stepped substantially frusto-conical, wherein the material which is poured into the recess 10 for the preparation of the carrier plate 1, when filling is not or only to a small extent between the grinding blasters 6 flows.
  • the cone angle of a lateral surface enveloping the carrier plate 10 is about 160 to 170 degrees, preferably about 164 degrees. This makes it possible that the worker can set the grinding wheel 3 at different angles to the surface of the workpiece to be machined. In this case, the Schleifrondenvers 2 can largely work off completely until the carrier plate 1 hits the workpiece.
  • FIG. 5 shows a second embodiment of a Schleifrondenvers 2 a grinding wheel 3.
  • the openings 7 of the grinding blanks 6 are not circular in cross-section in this embodiment, but deviate from a circular shape. They are in the form of a hexagonal polygon.
  • the carrier plate (not shown here) is designed accordingly, so that an increased rotational security of the Schleifrondenpers 2 is ensured relative to the carrier plate.
  • FIG. 6 shows a third embodiment of a Schleifrondenvers 2, wherein for increasing the rotational security of the Schleifrondenpers 2 with respect to the support plate.
  • 1 (Not shown here) 6 radially extending recesses 17 are provided in the individual grinding blanks, wherein the closest to the back 5 Schleifronde 6 instead of the recesses 17 radially extending webs 18 has.
  • FIG. 7 shows the top view of a front side 4 of a second embodiment of a grinding wheel 3, wherein the outer peripheral surfaces 13 of the grinding blanks 6 have a deviating from a circle contour.
  • radially inwardly extending viewing recesses 19 are provided, which allow a view of the grinding result with rotating driven grinding wheel 3.
  • FIGS. 8 and 9 show a third embodiment of a grinding wheel 3, wherein the outer peripheral surfaces 13 of the grinding blanks 6 and the end blank 8, as previously with respect to the FIGS. 1 to 6 described, form a circular cylindrical outer peripheral surface 20.
  • the grinding wheel 3 has a supporting layer 21 of a glass fiber fabric with phenolic resin.
  • the support layer 21 likewise has an opening 22 which, together with the further openings 7, 9 of the grinding blanks 6 and the end blank 8, forms the central recess 10.
  • the carrier plate 1 is cast into the recess 10, so that the disk-shaped support layer 21 is fixed to the carrier plate 1.
  • the apertures 7 of the grinding blanks 6 are larger, starting from the front side 4 towards the back 5, wherein the opening 22 of the support layer 21 is smaller than the opening 7 of the adjacent Schleifronde 6.
  • the support layer 21 has a smaller outer diameter than the Schleifronden 6.
  • the recess 10 of the Schleifrondenwovens 2 is not just filled with hardenable material, but also the last layer of Schleifronden 6 coated back with curable material. This will the last Schleifronde 6 on the back additionally bound to the support plate 1 and simultaneously reinforced against folding.
  • the last sanding blanks 6 may also be replaced by a fiber disk or a disk of another harder material, which is stronger than the overlying sanding blanks 6.
  • FIG. 10 a fourth embodiment of a Schleifrondenvers 2 is shown in side view.
  • the individual grinding blanks 6 each have a circular outer peripheral surface 13, wherein the outer peripheral surfaces 13 are designed in such a form and size that they form a cone-shaped outer circumferential surface area 20 of the Schleifrondenvers 2.
  • the outer peripheral surfaces 13 of the grinding blanks 6 are arranged with respect to the side view forming an angle ⁇ to the axis of rotation.
  • the angle ⁇ can be between 5 ° and 85 °, in particular between 20 ° and 40 °, and is shown here only by way of example with about 30 °. However, the optimum angle ⁇ results from the grinding task for which the grinding wheel 3 is to be used.
  • FIG. 11 shows the top view of a front side 4 of a fourth embodiment of a grinding wheel 3, wherein the outer peripheral surfaces 13 of the individual grinding blanks 6 and the two end blanks 8 each have a circular outer peripheral surface 13.
  • the outer circumferential surfaces 13 of all the abrasive blanks 6 and end blanks 8 have the same outer diameter, so that the overall result is a circular cylindrical outer surface of the abrasive blister package 2.
  • FIG. 12 the grinding wheel 3 according to the fourth embodiment is shown in sectional view. It can be seen that the apertures 7 of the grinding blanks 6, in contrast to the aforementioned embodiments, do not increase continuously starting from the front side 4 towards the rear side 5. Instead, the central breakthroughs 7 are the in FIG.
  • the opening 9 of the two end blanks 8 is formed identically and smaller than the openings 7 of the grinding blanks 6. Starting at the front 4 also correspond to the five here between the final blanks 8 grinding blanks 6 of the grinding wheel 3, the first and the fifth and the second and the third Schleifronde 6 in shape and size.
  • the diameters of the apertures 7, 9 of the individual grinding blanks 6 and the front end 4 arranged on the end 8 in a longitudinal section extending from the front 4 toward the center, are stepped such that facing the back 5 facing open ring sections 11, 23 form, with which these Schleifronden 6 and the front-sidecetronde 8 are arranged in abutment with step-shaped attachment surfaces 12, 24 of the support plate 1 and are attached thereto.
  • the diameter of the apertures 7, 9 of the other individual abrasive blanks 6 and arranged on the back 5 end 8 in a further longitudinal section extending from the center of the Schleifrondenwovenes 2 to the back 5, are stepped such that the front to the fourth open facing ring sections 11, 23 form, with which these Schleifronden 6 and 8 on the back redesignronde are arranged in abutment with step-shaped attachment surfaces 12, 24 of the support plate 1 and secured thereto. This ensures that the largest possible area of the individual grinding blanks 6 and the end blanks 8 are in contact with the carrier plate 1.
  • the last or the last and further layers of abrasive blanks 6 located directly in front of it can also be inserted and cast with the grain side opposite to the other layers.
  • the user can use the grinding wheel 3 on both sides and / or also to turn.
  • This can be advantageous if the layers are different, for example, contain different grain sizes.
  • the casting of the carrier plate 1 can be completely dispensed with.
  • a carrier plate for example a frusto-conical plate made of ABS plastic or other material, which is usually used for backing pad for Schleifrondenteller (flap discs) can be used.
  • Schleifronden 6 are attached with a Kittsystem.
  • the Schleifronden 6 consist of abrasive on pad.
  • the pad used therein may be a fabric, scrim or nonwoven (also pressed).
  • the base and / or the finished sanding blanks 6 and / or the end blanks 8 are as far as possible anisotropic.
  • the pad, or the Schleifronden 6, or the end blanks 8 builds as evenly as possible, i. circular.
  • Tensile strengths in the warp and weft directions or also in the diagonal should be as identical as possible. Examples are, for example, coated abrasives and documents as used in segmented broad bands. The abrasive cloth and the coated abrasive should generally have relatively high tensile strengths.
  • coated abrasives having high tear strength are used in as many directions as possible (longitudinal, transverse and diagonal).
  • the fabric of the coated abrasive used is an X or Y backing.
  • the abrasive grain is ceramic grain or mixtures thereof with zirconia corundum and / or corundum.

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  • Polishing Bodies And Polishing Tools (AREA)

Claims (15)

  1. Disque de meulage (3), lequel peut être entraîné en rotation autour d'un axe de rotation (D) et présente une face avant (4) ainsi qu'une face arrière (5) tournant le dos à la face avant (4), dans lequel le disque de meulage (3) comprend en outre ce qui suit :
    un paquet de disques abrasifs multicouche (2) avec une pluralité de disques abrasifs (6) qui sont empilés à plat les uns au-dessus des autres le long de l'axe de rotation (D) et qui présentent respectivement une ouverture centrale (7), dans lequel les ouvertures centrales (7) forment ensemble un évidement (10) du paquet de disques abrasifs (2),
    caractérisé en ce que le disque de meulage (3) présente un plateau porteur (1) disposé dans l'évidement (10), et
    en ce que les disques abrasifs (6) sont fixés respectivement individuellement au plateau porteur (1).
  2. Disque de meulage (3) selon la revendication 1,
    caractérisé en ce que les ouvertures centrales (7) d'au moins une quantité partielle des disques abrasifs (6) du paquet de disques abrasifs (2) sont réalisées avec différentes dimensions.
  3. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce que les ouvertures centrales (7) des disques abrasifs (6) sont réalisées de manière à s'agrandir au moins le long d'une partie, s'étendant parallèlement à l'axe de rotation (D), du paquet de disques abrasifs (2) en partant de la face avant (4) jusqu'à la face arrière (5).
  4. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce que les ouvertures centrales (7) des disques abrasifs (6) sont réalisées de manière à s'agrandir au moins le long d'une partie, s'étendant parallèlement à l'axe de rotation (D), du paquet de disques abrasifs (2) en partant de la face arrière (5) jusqu'à la face avant (4).
  5. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce que les disques abrasifs individuels (6) sont respectivement reliés avec une partie annulaire centrale (11) à une surface de fixation (12), disposée parallèlement à la face avant (4), du plateau porteur (1) en étant reliés à celui-ci.
  6. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce que le plateau porteur (1) est coulé dans l'évidement (10).
  7. Disque de meulage (3) selon la revendication 6,
    caractérisé en ce qu'un élément fileté (15) avec un filetage intérieur (16) pour la fixation du disque de meulage (3) à un moteur d'entraînement est disposé dans le plateau porteur (1), en étant en particulier coulé dans le plateau porteur (1).
  8. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce que les ouvertures (7) des disques abrasifs (6) présentent une section transversale qui diverge par rapport à un cercle, en présentant en particulier une section transversale polygonale.
  9. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce que les disques abrasifs (6) présentent respectivement une surface périphérique extérieure (13), dans lequel les surfaces périphériques extérieures (13) de tous les disques abrasifs (6) sont identiques concernant la forme, la taille et l'orientation.
  10. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce que les disques abrasifs (6) présentent respectivement une surface périphérique extérieure (13), dans lequel les surfaces périphériques extérieures (13), lorsque vues en section transversale du disque de meulage (3), sont respectivement disposées en formant un angle (α) entre 5° et 85°, en particulier entre 20° et 40° par rapport à l'axe de rotation (D).
  11. Disque de meulage (3) selon la revendication 9 ou 10,
    caractérisé en ce que les surfaces périphériques extérieures (13) présentent des évidements radiaux (19).
  12. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce que le disque de meulage (3) présente une couche de support (21) sur la face arrière (5).
  13. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce qu'au moins une quantité partielle des disques abrasifs (6) présentent une couche de meulage respectivement sur une face orientée vers la face avant (4) du disque de meulage (3).
  14. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce qu'au moins une quantité partielle des disques abrasifs (6) présentent une couche de meulage respectivement sur une face orientée vers la face arrière (5) du disque de meulage (3).
  15. Disque de meulage (3) selon l'une des revendications précédentes,
    caractérisé en ce qu'au moins l'un des disques abrasifs (6) présente une pluralité de segments de disques abrasifs qui arrivent en contact bout à bout de manière répartie en direction périphérique.
EP15176163.2A 2015-07-09 2015-07-09 Disque de meulage Active EP3015222B1 (fr)

Priority Applications (17)

Application Number Priority Date Filing Date Title
EP15176163.2A EP3015222B1 (fr) 2015-07-09 2015-07-09 Disque de meulage
ES15176163.2T ES2653813T3 (es) 2015-07-09 2015-07-09 Muela abrasiva
PL15176163T PL3015222T3 (pl) 2015-07-09 2015-07-09 Tarcza szlifierska
SI201530140T SI3015222T1 (en) 2015-07-09 2015-07-09 Sanding disc
US15/742,715 US10500698B2 (en) 2015-07-09 2016-06-29 Grinding disc
BR112018000050-7A BR112018000050B1 (pt) 2015-07-09 2016-06-29 Disco abrasivo
MX2018000272A MX2018000272A (es) 2015-07-09 2016-06-29 Disco de esmerilado.
SG11201800067VA SG11201800067VA (en) 2015-07-09 2016-06-29 Grinding disc
CA2992056A CA2992056C (fr) 2015-07-09 2016-06-29 Meule
PCT/EP2016/065107 WO2017005569A1 (fr) 2015-07-09 2016-06-29 Meule
JP2018512250A JP6494866B2 (ja) 2015-07-09 2016-06-29 砥石ディスク
UAA201712795A UA121498C2 (uk) 2015-07-09 2016-06-29 Шліфувальний диск
CN201680040389.XA CN107848095B (zh) 2015-07-09 2016-06-29 研磨盘
RU2018104814A RU2664842C1 (ru) 2015-07-09 2016-06-29 Шлифовальный круг
PH12018500072A PH12018500072A1 (en) 2015-07-09 2018-01-08 Grinding disc
CL2018000069A CL2018000069A1 (es) 2015-07-09 2018-01-09 Disco de molienda
ZA2018/00503A ZA201800503B (en) 2015-07-09 2018-01-24 Abrasive wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15176163.2A EP3015222B1 (fr) 2015-07-09 2015-07-09 Disque de meulage

Publications (2)

Publication Number Publication Date
EP3015222A1 EP3015222A1 (fr) 2016-05-04
EP3015222B1 true EP3015222B1 (fr) 2017-10-25

Family

ID=53541553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15176163.2A Active EP3015222B1 (fr) 2015-07-09 2015-07-09 Disque de meulage

Country Status (17)

Country Link
US (1) US10500698B2 (fr)
EP (1) EP3015222B1 (fr)
JP (1) JP6494866B2 (fr)
CN (1) CN107848095B (fr)
BR (1) BR112018000050B1 (fr)
CA (1) CA2992056C (fr)
CL (1) CL2018000069A1 (fr)
ES (1) ES2653813T3 (fr)
MX (1) MX2018000272A (fr)
PH (1) PH12018500072A1 (fr)
PL (1) PL3015222T3 (fr)
RU (1) RU2664842C1 (fr)
SG (1) SG11201800067VA (fr)
SI (1) SI3015222T1 (fr)
UA (1) UA121498C2 (fr)
WO (1) WO2017005569A1 (fr)
ZA (1) ZA201800503B (fr)

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Also Published As

Publication number Publication date
EP3015222A1 (fr) 2016-05-04
SG11201800067VA (en) 2018-02-27
JP2018521871A (ja) 2018-08-09
BR112018000050B1 (pt) 2022-02-15
ZA201800503B (en) 2019-04-24
CA2992056A1 (fr) 2017-01-12
CN107848095B (zh) 2019-03-26
JP6494866B2 (ja) 2019-04-03
CA2992056C (fr) 2018-10-16
US20180193981A1 (en) 2018-07-12
UA121498C2 (uk) 2020-06-10
SI3015222T1 (en) 2018-04-30
CN107848095A (zh) 2018-03-27
PH12018500072A1 (en) 2018-07-30
WO2017005569A1 (fr) 2017-01-12
US10500698B2 (en) 2019-12-10
CL2018000069A1 (es) 2018-08-17
BR112018000050A2 (pt) 2018-09-04
MX2018000272A (es) 2018-03-08
RU2664842C1 (ru) 2018-08-23
ES2653813T3 (es) 2018-02-08
PL3015222T3 (pl) 2018-04-30

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