EP3663043B1 - Outil de rectification - Google Patents

Outil de rectification Download PDF

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Publication number
EP3663043B1
EP3663043B1 EP18209812.9A EP18209812A EP3663043B1 EP 3663043 B1 EP3663043 B1 EP 3663043B1 EP 18209812 A EP18209812 A EP 18209812A EP 3663043 B1 EP3663043 B1 EP 3663043B1
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EP
European Patent Office
Prior art keywords
grinding
segments
tool
carrier device
another
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
EP18209812.9A
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German (de)
English (en)
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EP3663043A1 (fr
Inventor
Franco DI NARDO
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.)
Vincent Srl
Original Assignee
Vincent Srl
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Filing date
Publication date
Application filed by Vincent Srl filed Critical Vincent Srl
Priority to ES18209812T priority Critical patent/ES2791411T3/es
Priority to EP18209812.9A priority patent/EP3663043B1/fr
Priority to PL18209812T priority patent/PL3663043T3/pl
Priority to CN201911217040.0A priority patent/CN111251186A/zh
Publication of EP3663043A1 publication Critical patent/EP3663043A1/fr
Application granted granted Critical
Publication of EP3663043B1 publication Critical patent/EP3663043B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
    • 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/009—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding profiled workpieces using a profiled grinding tool
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/003—Accessories therefor
    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with cooling provisions, e.g. with radial slots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/14—Zonally-graded wheels; Composite wheels comprising different abrasives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/16—Bushings; Mountings

Definitions

  • the present invention relates to a grinding tool for processing a workpiece, in particular laminated safety glass, comprising a carrier device with a central coupling area for coupling the grinding tool to a rotary drive of a grinding machine and a grinding layer which is arranged on the circumference of the carrier device and which has grinding segments that are in a Grinding direction are spaced from each other.
  • the invention further relates to a grinding machine comprising at least one rotary drive and at least one such grinding tool, wherein the at least one grinding tool is coupled or can be coupled to the rotary drive of the grinding machine via the central coupling area of the carrier device.
  • a grinding tool of the type specified is, for example, from WO 99/54089 A1 known.
  • This grinding tool has a carrier disk and a grinding layer arranged on the circumference.
  • This grinding layer in turn has a large number of recesses distributed over the circumference. These recesses are essentially V-shaped or U-shaped in a plan view.
  • a grinding tool which has a first group of grinding segments and a second group of grinding segments, which are formed by triangular shapes standing on the head and / or by grinding segments in parallelogram shape between triangular grinding segments.
  • the object of the invention is to avoid at least the disadvantage described above and to provide a grinding tool and an improved grinding machine which are improved compared to the prior art.
  • An essential idea with regard to the grinding tool according to the invention is that at least one first group of at least two grinding segments following one another in the grinding direction is provided, the grinding segments of this first group having a first orientation relative to the carrier device, and that at least, preferably precisely, one Another group of at least two grinding segments following one another in the grinding direction is provided, the grinding segments of the at least one further group having a second orientation deviating from the first orientation relative to the carrier device, and wherein the first and the at least one further group successively in the grinding direction on the Carrier device are arranged.
  • This measure ensures that the material removed during a grinding process tears, so that no serpentine grinding abrasion occurs, which would hinder the grinding process.
  • the grinding segments of the groups provided each extend essentially over the same angular range of the carrier device.
  • exactly one further group of at least two grinding segments following one another in the grinding direction is provided, the grinding segments of the first group and of precisely one further group each essentially being the same Extend over an angular range of approx. 180 ° of the carrier device.
  • three further groups of at least two grinding segments following one another in the grinding direction are provided, the grinding segments of the first group and the three additional groups each extend essentially over an angular range of approximately 90 ° of the carrier device.
  • the grinding machine comprises at least, preferably precisely, two grinding tools, and wherein at least one of the at least two grinding tools is designed according to the invention, wherein the at least two grinding tools are adjacent to one another, preferably screwed to one another, or, preferably by means of at least one spacer, spaced from one another via the respective central coupling area of the carrier device with the rotary drive of the grinding machine.
  • FIG 2a shows a perspective view of a grinding machine 16 (not shown in more detail) with a rotary drive 3, two grinding tools 1 a, 1 b being coupled to the rotary drive 3.
  • the grinding machine 16 can have an electric drive for the rotary drive 3.
  • the grinding tools 1a, 1b each include a carrier device 2 with a central coupling area 6 for coupling the respective grinding tool 1a, 1b to the rotary drive 3 of the grinding machine 16.
  • the grinding tools 1a, 1b also have an abrasive coating 4, which is arranged on the circumference of the carrier device 2 is.
  • the grinding layer 4 of the grinding tool 1a furthermore has the grinding segments 5a, 5b, which are spaced apart in the grinding direction SR, and the grinding layer 4 of the grinding tool 1b has the grinding segments 5c, 5d, which are also spaced apart in the grinding direction SR.
  • the Grinding tools 1a, 1b can be used in both grinding directions SR.
  • the individual grinding segments 5a, 5b, 5c, 5d of the respective grinding tool 1a, 1b are connected to one another via an abrasive-free layer or an abrasive layer. It can be provided that at least some of the grinding segments 5a, 5b, 5c, 5d of the groups provided are designed in one piece.
  • an intermediate covering 13 is provided here, the grinding segments 5a, 5b, 5c, 5d of the groups provided being formed, preferably in one piece, with the intermediate covering 13.
  • an intermediate covering 13 is not absolutely necessary.
  • the carrier device 2 also has a circumferential surface 12, the grinding segments 5a, 5b, 5c, 5d of the groups provided projecting from the circumferential surface 12 in the radial direction RR.
  • the grinding tools 1a, 1b each have at least one first group of at least two grinding segments 5a, 5c following one another in the grinding direction SR, the grinding segments 5a, 5c of this first group having a first orientation 7a, 7c relative to the respective carrier device 2, and that at least, preferably precisely, one further group of at least two consecutive sanding segments 5b, 5d in the sanding direction SR is provided, the sanding segments 5b, 5d of the at least one further group having a second orientation deviating from the first orientation 7a, 7c 7b, 7d relative to the carrier device 2, and wherein the first and the at least one further group are arranged one after the other in the grinding direction SR on the carrier device 2.
  • empty spaces 9 can be seen which are formed between the individual grinding segments 5a, 5b, 5c, 5d, each within a group. It can therefore be provided that the grinding segments 5a, 5b, 5c, 5d of the intended groups are spaced apart from one another by empty spaces 9, preferably with the grinding segments 5a, 5b, 5c, 5d within one of the intended groups being separated from one another by identically designed empty spaces 9 . It can be provided, for example, that the empty spaces 9 to The spacing of the grinding segments 5a, 5c of the first group from one another is mirror-symmetrical to the empty spaces 9 for spacing the grinding segments 5b, 5d of the at least one further group from one another (see also in this regard Figure 5 or Figure 6 ).
  • the empty spaces 9 can be designed as grooves which, in a top view, can be designed essentially in the form of a parallelogram (see again in this regard Figure 5 or Figure 6 ).
  • the provided groups of at least two grinding segments 5a, 5b, 5c, 5d following one another in the grinding direction SR can be connected to one another via at least one additional grinding segment 10 (grinding tool 1b) and / or at least one additional empty space 11 (grinding tool 1a).
  • Figure 2b shows a perspective view of the grinding machine 16 (not shown in more detail) with a rotary drive 3, two grinding tools 1 a, 1 b again being coupled to the rotary drive 3.
  • no intermediate covering 13 is provided and the grinding segments 5a, 5b, 5c, 5d of the respective grinding tool 1a, 1b are arranged directly, but without contact with one another, on the corresponding carrier device 2.
  • a first grinding tool 1 a is designed in such a way that the grinding segments 5 a, 5 b are soldered directly onto the carrier device 2.
  • the second grinding tool 1b differs in that the grinding segments 5c, 5d are connected to one another via an abrasive-free layer or an abrasive layer.
  • the resulting abrasive coating 4 is connected either via an intermediate coating 13 or directly to the corresponding carrier device 2 by sintering.
  • a grinding machine 16 with at least two grinding tools 1a, 1b it can be provided that recesses 9 between the individual grinding segments 5a, 5b, 5c, 5d in only at least one of the Grinding tools 1a, 1b are formed.
  • Such recesses 9 are not absolutely necessary in grinding tools 1a, 1b with grinding segments 5a, 5b, 5c, 5d, which each have a V-shaped recess 15.
  • Figure 3 shows a grinding machine 16 in a view from the front (not shown in more detail) with the rotary drive 3 and two grinding tools 1a, 1b coupled to the rotary drive 3.
  • the grinding tools 1a, 1b rest against one another and can be fastened to one another by means of screws, for example.
  • the grinding tools 1a, 1b can also be attached to one another via flanges.
  • at least one water supply 17 can be provided for cooling the intended grinding tools 1a, 1b and / or for transporting away grinding debris 18 that arises when machining a workpiece 19, for example laminated safety glass.
  • the empty spaces 9 are arranged essentially at an angle to the axial direction AR.
  • the axial direction AR runs essentially in the direction of the axis of rotation DA of the grinding tools 1a, 1b.
  • the grinding tools 1a, 1b each have two end faces 14a, 14b aligned essentially normal to the axis of rotation DA of the respective grinding tool 1a, 1b (see FIG Figure 4 ), wherein the grinding segments 5c, 5d of the groups provided have a recess 15 formed essentially centrally between the two end faces 14a, 14b and essentially parallel to the two end faces 14a, 14b, for example for the formation of two chamfers on the workpiece 19 to be machined .
  • the surfaces 23a, 23b, 23c, 23d of the respective grinding segments 5a, 5b, 5c, 5d involved in the grinding process can be seen. It can be provided that the sums of the surfaces 23a, 23b, 23c, 23d of the grinding segments 5a, 5b, 5c, 5d of the at least two grinding tools 1a, 1b involved in the grinding process are of different sizes.
  • the sum of the surfaces 23a, 23b of the grinding segments 5a, 5b of the first grinding tool 1a involved in the grinding process is preferably smaller than the sum of the surfaces 23c involved in the grinding process, 23d of the grinding segments 5c, 5d of the second grinding tool 1b.
  • the first grinding tool 1a serves to remove a large amount of material in accordance with the requirements.
  • the second grinding tool 1b serves to finalize the workpiece 19. Therefore, the grinding segments 5c, 5d of this second grinding tool 1b can each have a recess 15 for shaping the workpiece 19.
  • Figure 4 shows a front view of the grinding machine 16 with the rotary drive 3 and two grinding tools 1a, 1b coupled to the rotary drive 3, the two grinding tools 1a, 1b being spaced from one another.
  • a spacer can also be arranged between the two grinding tools 1a, 1b.
  • the carrier device 2 has a width B in the axial direction AR and the empty spaces 9 extend essentially over the entire width B. Alternatively, the empty spaces 9 can also only extend over part of the width B.
  • a first grinding tool 1a of the at least two grinding tools 1a, 1b has more grinding segments 5a, 5b, 5c, 5d than a second grinding tool 1b of the at least two grinding tools 1a, 1b.
  • Figure 5 shows the circumferential surface 12 of the carrier device 2 of the grinding tool 1a with the grinding layer 4, which has the grinding segments 5a, 5b.
  • the angular ranges 8a, 8b can be seen here. It can therefore be provided that the grinding segments 5a, 5b of the groups provided each extend essentially over the same angular region 8a, 8b of the carrier device 2.
  • exactly one further group of at least two grinding segments 5b following one another in the grinding direction SR is provided, the grinding segments 5a of the first group and precisely one further group 5b each essentially extending over an angular range 8a, 8b of approx. 180 ° Support device 2 extend.
  • Figure 6 shows analogous to Figure 5 the circumferential surface 12 of the carrier device 2 of the grinding tool 1b with the grinding layer 4, which has the grinding segments 5c, 5d.
  • exactly one further group of at least two grinding segments 5d following one another in the grinding direction SR is provided, the grinding segments 5c of the first group and precisely one further group 5d each essentially extending over an angular range 8a, 8b of approx. 180 ° of the carrier device 2 extend.
  • Figures 7a to 7h show different embodiments of grinding segments 5a, 5b of an abrasive coating 4 of a grinding tool 1a. It can be provided that the grinding segments 5a of the first group are aligned essentially mirror-symmetrically or point-symmetrically to the grinding segments 5b of the at least one further group. Furthermore, it can be provided that the grinding segments 5a, 5b are designed essentially identically within one of the groups provided, preferably wherein the grinding segments 5a, 5b of the groups provided are designed essentially mirror-symmetrically. As in the Figures 7g and 7h shown, the individual grinding segments 5a, 5b can also be formed in several parts.
  • FIG 8 shows a sectional view of the grinding tool 1a.
  • the channels 20 can be seen here, which are formed in the grinding tool 1a. It can therefore be provided that the grinding tool 1a has at least one channel 20 running at least in sections in the radial direction RR for the conduction of a cooling fluid, preferably wherein the at least one channel 20 has at least one first opening 21 arranged in the central coupling area 6 and a second opening 21 in the area of the Has grinding segments 5a, 5b arranged opening 22.
  • the grinding tools 1a, 1b can therefore be supplied with a cooling fluid, for example water, both externally (water supply 17) and internally (channels 20).
  • the channels 20 are also separated by an intermediate covering 13 that may be provided and one that may be provided Abrasive-free layer or an abrasive layer, wherein the abrasive-free layer or the abrasive layer can connect the individual abrasive segments 5a, 5b to one another, extends through.
  • a cooling fluid can be conducted through the carrier device 2 in the direction of the grinding segments 5a, 5b, as a result of which cooling of the grinding tool 1a and / or removal of abrasive material 18 is possible.
  • Figures 9a to 9c each show a grinding segment 5c arranged on the carrier device 2 according to different embodiments in a sectional illustration.
  • the recess 15 can be seen in each case, which is trapezoidal in cross-section ( Figure 9a ), V-shaped ( Figure 9b ) or arched ( Figure 9c ) can be formed.
  • the depressions 15 of the grinding segments 5a, 5b, 5c, 5d are determined as a function of the desired edge profile of the workpiece 19 to be machined, whereby, of course, such depressions 15 are not absolutely necessary.
  • the individual grinding segments 5a, 5b, 5c, 5d can therefore each be connected directly to the carrier device 2 and can be designed without contact with one another.
  • the individual grinding segments 5a, 5b, 5c, 5d can also be connected to one another via an abrasive-free layer or an abrasive layer, the grinding segments 5a, 5b, 5c, 5d are connected to the carrier device 2 via this layer.
  • an intermediate covering 13 is arranged between the grinding segments 5a, 5b, 5c, 5d and the carrier device 2 or between the abrasive-free layer or the abrasive layer and the carrier device 2.
  • the grinding segments 5a, 5b, 5c, 5d can, however, also be arranged in depressions in the carrier device 2.
  • grinding machine 16 it should be noted that, depending on the application, the desired edge profile and the required quality, several, preferably four, grinding tools 1a, 1b can be provided, the provided grinding tools 1a, 1b being used one after the other to machine the workpiece 19.

Claims (15)

  1. Outil de meulage (1a, 1b) pour traiter d'une pièce (19), en particulier de verre de sécurité feuilleté, comprenant un dispositif de support (2) avec une zone d'accouplement centrale (6) pour coupler l'outil de meulage (1a, 1b) à un entraînement rotatif (3) d'une meuleuse (16) et un revêtement abrasif (4) qui est disposé de manière périphérique sur le dispositif de support (2) et qui présente des segments de meulage (5a, 5b, 5c, 5d), qui sont espacés les uns des autres dans une direction de meulage (SR), avec un premier et un deuxième groupe de segments de meulage, caractérisé en ce qu'au moins le premier groupe est constitué d'au moins deux segments de meulage (5a, 5c) qui se suivent dans la direction de meulage (SR), les segments de meulage (5a, 5c) de ce premier groupe présentant une première orientation (7a, 7c) par rapport au dispositif de support (2), et en ce qu'il est prévu au moins, de préférence exactement, un autre groupe d'au moins deux segments de meulage (5b, 5d) se succédant dans la direction de meulage (SR), les segments de meulage (5b, 5d) du au moins un autre groupe présentent une deuxième orientation (7b, 7d) qui diffère de la première orientation (7a, 7c) par rapport au dispositif de support (2), et le premier et le au moins un autre groupe étant disposés successivement dans la direction de meulage (SR) sur le dispositif de support (2).
  2. Outil de meulage (1a, 1b) selon la revendication 1, dans lequel les segments de meulage (5a, 5b, 5c, 5d) des groupes prévus s'étendent chacun sensiblement sur une même région angulaire (8a, 8b) du dispositif de support (2), de préférence, il est prévu exactement un autre groupe d'au moins deux segments de meulage (5b, 5d) se succédant dans la direction de meulage (SR), les segments de meulage (5a, 5b, 5c, 5d) du premier groupe et de l'exactement un autre groupe s'étendant chacun sensiblement sur une plage angulaire (8a, 8b) d'environ 180° du dispositif de support (2).
  3. Outil de meulage (1a, 1b) selon la revendication 1 ou 2, dans lequel les segments de meulage (5a, 5b, 5c, 5d) des groupes prévus sont espacés les uns des autres par des espaces vides (9), de préférence dans lequel les segments de meulage (5a, 5b, 5c, 5d) à l'intérieur de l'un des groupes prévus sont espacés les uns des autres par des espaces vides (9) de forme identique, de manière particulièrement préférée, dans lequel les espaces vides (9) pour espacer les segments de meulage (5a, 5c) du premier groupe sont formés de manière symétrique aux espaces vides (9) pour espacer les segments de meulage (5b, 5d) du au moins un autre groupe.
  4. Outil de meulage (1a, 1b) selon la revendication précédente, dans lequel les espaces vides (9) sont formés comme des rainures, de préférence dans lequel les espaces vides (9) sont formés sensiblement en forme de parallélogramme dans une vue de dessus, et/ou dans lequel les espaces vides (9) sont disposés sensiblement en oblique par rapport à la direction axiale (AR).
  5. Outil de meulage (1a, 1b) selon l'une quelconque des revendications 1 à 4, dans lequel le dispositif de support (2) présente une largeur (B) dans la direction axiale (AR) et les vides (9) s'étendent sensiblement sur toute la largeur (B).
  6. Outil de meulage (1a, 1b) selon l'une quelconque des revendications 1 à 5, dans lequel les groupes prévus d'au moins deux segments de meulage (5a, 5b, 5c, 5d) se succédant dans la direction de meulage (SR) sont reliés entre eux par au moins un segment de meulage supplémentaire (10) et/ou au moins un espace vide supplémentaire (11).
  7. Outil de meulage (1a, 1b) selon l'une quelconque des revendications 1 à 6, dans lequel les segments de meulage (5a, 5c) du premier groupe sont orientés sensiblement en symétrie axiale ou en symétrie centrale par rapport aux segments de meulage (5b, 5d) du au moins un autre groupe, et/ou les segments de broyage (5a, 5b, 5c, 5d) à l'intérieur de l'un des groupes fournis étant formés de manière sensiblement identique, de préférence dans lequel les segments de broyage (5a, 5b, 5c, 5d) des groupes fournis sont formés de manière sensiblement symétrique axialement.
  8. Outil de meulage (1a, 1b) selon l'une quelconque des revendications 1 à 7, dans lequel le dispositif de support (2) présente une surface périphérique (12) et les segments de meulage (5a, 5b, 5c, 5d) des groupes prévus font saillie en direction radiale (RR) de la surface périphérique (12).
  9. Outil de meulage (1a, 1b) selon l'une quelconque des revendications 1 à 8, dans lequel au moins certains des segments de meulage (5a, 5b, 5c, 5d) des groupes prévus sont formés d'un seul tenant les uns avec les autres, et/ou dans lequel un patin intermédiaire (13) est prévu, et les segments de meulage (5a, 5b, 5c, 5d) des groupes prévus sont formés, de préférence d'un seul tenant, avec le patin intermédiaire (13).
  10. Outil de meulage (1a, 1b) selon l'une quelconque des revendications 1 à 9, dans lequel l'outil de meulage (1a, 1b) présente deux faces frontales (14a, 14b) alignées sensiblement perpendiculairement à l'axe de rotation (DA) de l'outil de meulage (1a, 1b), dans lequel les segments de meulage (5a, 5b, 5c, 5d) des groupes prévus présentent un évidement (15) formé sensiblement au centre entre les deux faces frontales (14a, 14b) et sensiblement parallèle aux deux faces d'extrémité (14a, 14b), par exemple pour former deux chanfreins sur la pièce (19) à usiner, de préférence dans laquelle l'évidement (15) a une section transversale trapézoïdale, en forme de V ou en forme d'arc.
  11. Outil de meulage (1a, 1b) selon l'une quelconque des revendications 1 à 10, l'outil de meulage (1a, 1b) présentant au moins un canal (20) s'étendant au moins par tronçons dans la direction radiale (RR) pour le guidage d'un fluide de refroidissement, de préférence le au moins un canal (20) présentant au moins une première ouverture (21) disposée dans la zone d'accouplement centrale (6) et une deuxième ouverture (22) disposée dans la zone des segments de meulage (5a, 5b, 5c, 5d).
  12. Meuleuse (16) comprenant au moins un entraînement en rotation (3) et au moins un outil de meulage (1a, 1b) selon l'une quelconque des revendications précédentes, dans laquelle le au moins un outil de meulage (1a, 1b) est couplé ou peut être couplé à l'entraînement en rotation (3) de la meuleuse (16) par l'intermédiaire de la zone de couplage centrale (6) du dispositif de support (2).
  13. Meuleuse (16) selon la revendication 12, dans laquelle la meuleuse (16) comprend au moins, de préférence exactement, deux outils de meulage (1a, 1b), et dans laquelle au moins un des au moins deux outils de meulage (1a, 1b) est conçu selon l'une des revendications 1 à 11, dans laquelle les au moins deux outils de meulage (1a, 1b) sont couplés ou peuvent être couplés à l'entraînement rotatif (3) de la meuleuse (16) en butée l'un contre l'autre, de préférence vissés l'un à l'autre, ou, de préférence au moyen d'au moins une entretoise, espacés l'un de l'autre par l'intermédiaire de la zone d'accouplement centrale respective (6) du dispositif de support (2).
  14. Meuleuse (16) selon la revendication 12 ou 13, dans laquelle au moins une alimentation en eau (17) est prévue pour refroidir les outils de meulage (1a, 1b) prévus et/ou pour éliminer l'abrasion de meulage (18) qui se produit lors du traitement, par exemple, d'un verre de sécurité feuilleté.
  15. Meuleuse (16) selon la revendication 13 ou 14, dans laquelle un premier outil de meulage (1a) des au moins deux outils de meulage (1a, 1b) présente plus de segments de meulage (5a, 5b, 5c, 5d) qu'un deuxième outil de meulage (1b) des au moins deux outils de meulage (1a, 1b), et/ou dans laquelle les sommes des surfaces (23a, 23b, 23c, 23d) impliquées dans le processus de meulage des segments de meulage (5a, 5b, 5c, 5d) des au moins deux outils de meulage (1a, 1b) sont de tailles différentes.
EP18209812.9A 2018-12-03 2018-12-03 Outil de rectification Active EP3663043B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES18209812T ES2791411T3 (es) 2018-12-03 2018-12-03 Herramienta de rectificado
EP18209812.9A EP3663043B1 (fr) 2018-12-03 2018-12-03 Outil de rectification
PL18209812T PL3663043T3 (pl) 2018-12-03 2018-12-03 Narzędzie szlifierskie
CN201911217040.0A CN111251186A (zh) 2018-12-03 2019-12-03 磨削工具

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EP18209812.9A EP3663043B1 (fr) 2018-12-03 2018-12-03 Outil de rectification

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EP3663043B1 true EP3663043B1 (fr) 2021-06-30

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IT202100015614A1 (it) 2021-06-15 2022-12-15 Diamant Di Nunziata Andrea E C S A S Mola diamantata atta alla molatura e all’abrasione di materiali solidi stratificati

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JPS555238Y2 (fr) * 1975-10-01 1980-02-06
AU3512199A (en) 1998-04-21 1999-11-08 Tyrolit Schleifmittelwerke Swarovski K.G. Grinding wheel
JP2000354969A (ja) * 1999-06-15 2000-12-26 Katagiri Seisakusho:Kk 超砥粒研削砥石
RU2167048C1 (ru) * 1999-12-10 2001-05-20 Ульяновский государственный технический университет Сборный шлифовальный круг
JP4248167B2 (ja) * 2001-08-08 2009-04-02 株式会社ノリタケスーパーアブレーシブ 研削砥石
US20050064799A1 (en) * 2003-09-24 2005-03-24 Inland Diamond Products Company Ophthalmic roughing wheel
JP4999560B2 (ja) * 2007-06-07 2012-08-15 豊田バンモップス株式会社 研削盤における砥石軸装置
US8597079B2 (en) 2011-01-07 2013-12-03 Inland Diamond Products Company Abrasive wheel with closed profiles in cutting surface
CN204525208U (zh) * 2015-01-20 2015-08-05 广东奔朗新材料股份有限公司 组合式金刚石磨轮
KR102396166B1 (ko) * 2015-10-05 2022-05-11 이화다이아몬드공업 주식회사 냉각수 유로를 포함하는 기판의 엣지 연삭용 엣지휠 및 그 엣지휠의 제조방법

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EP3663043A1 (fr) 2020-06-10
PL3663043T3 (pl) 2022-01-17
CN111251186A (zh) 2020-06-09
ES2791411T3 (es) 2022-03-11

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