EP1698432B1 - Disque de polissage pour outil de finition de surfaces optiques en particulier de verres de lunettes - Google Patents

Disque de polissage pour outil de finition de surfaces optiques en particulier de verres de lunettes Download PDF

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Publication number
EP1698432B1
EP1698432B1 EP06003967A EP06003967A EP1698432B1 EP 1698432 B1 EP1698432 B1 EP 1698432B1 EP 06003967 A EP06003967 A EP 06003967A EP 06003967 A EP06003967 A EP 06003967A EP 1698432 B1 EP1698432 B1 EP 1698432B1
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EP
European Patent Office
Prior art keywords
polishing
foam layer
tool
polishing disc
support body
Prior art date
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Active
Application number
EP06003967A
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German (de)
English (en)
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EP1698432A3 (fr
EP1698432A2 (fr
Inventor
Lothar Urban
Peter Phillips
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Satisloh GmbH
Original Assignee
Satisloh GmbH
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Classifications

    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
    • B24B13/012—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane
    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S451/00—Abrading
    • Y10S451/921—Pad for lens shaping tool

Definitions

  • the present invention relates to a polishing plate for a tool for fine machining of optically active surfaces, according to the preamble of patent claim 1, as shown in US-A-3,583,111 known.
  • Such polishing plates are used in bulk, especially in the production of prescription eyeglass lenses.
  • the machining of the optically effective surfaces of spectacle lenses can be roughly subdivided into two processing phases, namely first the pre-processing of the optically effective surface to produce the recipe macrogeometry and then the fine processing of the optically effective surface to eliminate Vorbearbeitungsspuren and obtain the desired microgeometry. While the pre-processing of the optically effective surfaces of spectacle lenses u.a. Depending on the material of the lenses by grinding, milling and / or turning done, the optically effective surfaces of spectacle lenses are usually subjected to a fine grinding, lapping and / or polishing during the finishing.
  • the polishing film can be adapted within certain limits to the geometry of the surface to be machined, both from “spectacle” to spectacle glass, which is to be processed, as well as in “dynamic” terms, ie during the processing of a specific spectacle lens, in which a relative movement between the polishing plate and the spectacle lens takes place.
  • the elasticity of the foam layer significantly influences the removal behavior of the polishing plate during the polishing process.
  • the invention is based on the object, starting from the prior art, as he by the US-A-3,583,111 is represented to create a simply constructed polishing plate for a tool for fine machining of optically effective surfaces of particular eyeglass lenses, which is used as long as possible to achieve higher surface qualities.
  • a polishing plate for a tool for fine machining optically effective surfaces on in particular spectacle lenses which has a carrier body, to which a foam layer is attached, which rests a polishing foil
  • the polishing foil is provided in a central region with at least one opening, wherein at the at least one opening in the polishing film in the direction of the carrier body adjoins a recess in the foam layer and the polishing film protrudes inwards over an outer circumference of the recess in the foam layer.
  • the opening in the polishing film provides fluid communication between an interior region of the foam layer soaked with polish during processing and the outer surface of the polishing film in machining engagement with the surface of the workpiece to be machined.
  • the liquid polishing agent can circulate better and also pass from the interior of the polishing pad to the engagement areas between the polishing film and the surface to be machined of the workpiece, whereby at these engagement areas due to increased wetting of the polishing film or a more uniform polishing agent on this better rinsing and Cooling is ensured. Accordingly, it no longer comes to partial, the surface quality produced detrimental solidification of the polishing film, so that the polishing plate can be used longer compared to polishing plates without opening in the middle region.
  • the opening virtually performs a valve function:
  • the polishing-active surface of the polishing plate In order to polish as form-retaining as possible, the polishing-active surface of the polishing plate, and therefore the polishing film must have a relatively high flexibility.
  • the polishing film is relatively strongly deformed in particular during the passage of the polishing plate on the edge of the lens to be processed but also in the processing of, for example, toric surfaces during rotation of the tool and workpiece.
  • the underlying foam layer which is saturated with the liquid polishing agent, is forced to flex; The result is a pumping effect between different areas of the top and bottom covered foam layer.
  • liquid polishing agent could not emerge laterally from an edge region of the foam layer on the polishing pad without an opening in the middle region, then it could happen, especially in the interior lying areas of the foam layer to pressure jam.
  • these pressure jams could cause the pores of the foam layer to be partially torn and / or the foam layer to be at least partially torn off at its connection points to the carrier body and / or the polishing foil from the respective mating surface, so that the polishing plate had to be replaced.
  • a recess in the foam layer adjoins the at least one opening in the polishing film in the direction of the carrier body.
  • This recess advantageously serves as a reservoir for the liquid polishing agent.
  • the polishing film protrudes inwardly beyond an outer periphery of the recess in the foam layer.
  • the polishing film in the direction of the carrier body can yield more easily; it comes to a rounding or to a natural radius of the polishing film.
  • unwanted impressions may be avoided, which could otherwise be caused by a more or less sharp edge of the polishing film which results when the at least one opening in the polishing film is made by cutting or punching.
  • the opening can be cross-shaped, star-shaped, curved or S-shaped, elliptical or the like. be educated.
  • a plurality of openings may be provided, in shape and distribution, for example as the mounting holes on a button.
  • the recess in the foam layer extends to the carrier body.
  • Such a continuous recess is not only particularly easy to produce, but also advantageously maximizes the uptake volume of the reservoir formed by the recess for the liquid polishing agent.
  • the polishing film can project beyond an outer circumference of the foam layer to the outside.
  • the polishing foil is intentionally kept larger in its radial dimensions than the underlying foam layer, that is, has a certain overhang with respect to the foam layer, the polishing foil spreads slightly in this area of the surface to be machined.
  • unwanted impressions are avoided, as already described above; In this case no significant polishing pressure can be exerted on the surface to be machined over the outer edge of the polishing film.
  • the overhang of the polishing film with respect to the foam layer also leads to a further improvement of the polishing agent supply: Between the surface of the spectacle lens just worked and the overhanging part of the polishing foil which is slightly folded away, a capillary gap which opens radially outwards forms, even at high temperatures Speeds always carries a certain amount of polish with it. The thus created additional polishing agent reservoir is not thrown off, but carried along with each movement and is thus constantly available.
  • the carrier body can be provided with a depression for orientation of the foam layer, which in particular simplifies the attachment of the foam layer to the carrier body.
  • the edge delimiting this depression clearly defines the mounting location for the foam layer and thus also serves as an aid in the application of an adhesive for fastening the foam layer to the carrier body.
  • the edge defining the depression provides also for a certain positive fit of the foam layer on the carrier body.
  • an embodiment of the polishing plate is furthermore preferred in which the carrier body for fixing the foam layer has a carrier surface preformed in accordance with the macrogeometry of the surface to be processed, e.g. in the case of processing a toric surface has a corresponding toric preform.
  • the carrier body may be made of a rubber elastic material having a hardness of Shore A in a range of preferably 60 to 80.
  • the polishing plate according to the invention can advantageously be used on a tool for fine machining of optically effective surfaces on, in particular, spectacle lenses, comprising a base body which can be attached to a tool spindle of a processing machine, a joint part which has a tilting and longitudinally movably guided receiving section with respect to the base body, to which in the direction of the main body is connected a bellows portion, by means of which the joint part is rotationally fixed on the base body, and a limited by the main body and the joint part pressure medium chamber which is selectively acted upon by a pressure medium, wherein the polishing plate interchangeable held on the receiving portion of the joint part is.
  • complementary shaped structures may be formed on the mutually facing surfaces of the receiving portion and the carrier body of the polishing plate, which engage in a form-fitting manner.
  • the complementary shaped structures may be formed by a projection on the carrier body of the polishing plate and an associated recess in the receiving portion of the joint part.
  • the complementary shaped structures are formed by a projection on the receiving portion and an associated recess in the carrier body.
  • the projection on the receiving portion and the recess in the carrier body may have the shape of a truncated pyramid, which has a rectangular, non-square base with a longer edge pair and a shorter edge pair.
  • a good tilting stability of the polishing plate during processing in the case of a polishing plate in which the carrier surface of the carrier body is toroidally preformed, with a base axis and a cylinder axis, it is preferred if the truncated pyramid-shaped recess in the carrier body is aligned with respect to the carrier surface in that the longer edge pair runs parallel to the base axis.
  • Fig. 1 has a polishing pad 10 for a tool 12 for fine machining of optically active surfaces F in particular lenses L a support body 14 to which a foam layer 16 is fixed, which rests a polishing sheet 18. It is essential that the polishing film 18 is provided in a central region with at least one opening 20, as will be described in more detail below.
  • polishing film 18 also called “polishing pad”, according to Fig. 1 forming the machining active tool component, is a commercially available, elastic and abrasion resistant Feinschleif- or Polierstoffmik, such as a PUR (polyurethane) film, which has a thickness of 0.5 to 1.4 mm and a hardness between 12 and 45 after Shore D.
  • PUR polyurethane
  • the polishing film 18 is rather thicker, if by means of the polishing plate 10 is a pre-polishing to take place, but rather thinner in the case of a fine polishing.
  • the radial dimensions of the polishing film 18 are preferably selected so that in accordance with the plan view Fig. 2 seen in this embodiment circular polishing foil 18 with an outer edge portion 22 over an outer periphery 24 of the cylindrically cut foam layer 16 here to the outside (see Fig. 1 ).
  • the outer diameter of the polishing film 18 may be, for example, so dimensioned that the outer diameter of the foam layer 16 is about 85 to 95% of the outer diameter of the polishing film 18.
  • a wedge-shaped gap 28 which always carries a certain amount of liquid polishing agent due to its capillary action and thus also serves as an annular polishing agent reservoir.
  • the through hole 20 is made by cutting or punching, in which in the Fig. 1 to 3 illustrated embodiment has a circular shape.
  • the opening 20 in the polishing film 18 occupies a surface area of 0.25 to 2% of the entire face of the polishing film 18 facing the surface F to be processed.
  • the polishing sheet 18 is attached to the foam layer 16 by means of a suitable adhesive.
  • the polishing sheet 18 may also be connected to the foam layer 16 more or less permanently in some other way, e.g. by vulcanization or Aufkletten.
  • the connection between the polishing sheet 18 and the foam layer 16 must be so strong that at any time during processingclosmitworm, in particular rotational drive of the polishing sheet 18 is ensured with the foam layer 16.
  • the foam layer 16 may be, for example, an open-celled PUR (polyurethane) foam, as it is available, for example, under the trade name Sylomer® R from Getzner Maschinentechnik GmbH, Berlin, Germany. This has a hardness of about 60 to Shore A.
  • the top of the foam layer 16 facing the polishing sheet 18 may, but need not be provided with a final, manufacturing technology-related "casting" (release layer to the mold, not shown), the foam layer 16 an additional Stiffness gives.
  • the thickness of the foam layer 16 may be the respective Processing requirements, for example, between 2 and 10 mm. It will be apparent to those skilled in the art that the size and distribution of the pores in the foam layer 16 should be selected so as to provide the desired rinse and cooling previously discussed by means of the liquid polishing agent through the opening 20 in the polishing sheet 18.
  • Fig. 1 illustrated embodiment joins the opening 20 in the polishing film 18 in the direction of the carrier body 14 a recess 30 in the foam layer 16, which extends to the support body 14.
  • the preferably formed by punching recess 30 has a cylindrical outer peripheral surface 32, whose diameter corresponds to the diameter of the opening 20 in the polishing sheet 18.
  • the recess 30 also serves as a reservoir for the liquid polishing agent during processing.
  • the foam layer 16 in turn, for example, by means of a suitable adhesive firmly attached to the support body 14, which preferably consists of a rubber-elastic material, such as NBR (elastomer based on acrylonitrile-butadiene-styrene rubber), EPDM (elastomer based on ethylene-propylene-diene rubber ) or a PUR (polyurethane) elastomer having a Shore A hardness in a range of 60 to 80.
  • NBR elastomer based on acrylonitrile-butadiene-styrene rubber
  • EPDM elastomer based on ethylene-propylene-diene rubber
  • PUR polyurethane
  • the carrier body 14 On the outer circumference, the carrier body 14 has a cross-sectionally V-shaped annular groove 40, which serves as a handle for a gripper (not shown) of an automatic polishing plate changing device (also not shown). On a level bottom 42 of the carrier body 14 of the polishing plate 10 is held in a manner to be described interchangeable on the tool 12.
  • the tool 12 has a base body 44 which is attached to an in Fig. 1 indicated with dashed lines tool spindle 46 of a processing machine (not shown) is attachable. Furthermore, the tool 12 has a generally numbered 48 with a hinge part having a respect to the body 44 tilt and longitudinally movably guided receiving portion 50 to which the polishing plate 10 is held interchangeable. Adjoining the receiving portion 50 in the direction of the main body 44 is a bellows portion 52, by means of which the joint part 48 is fastened on the main body 44 so as to be capable of rotation.
  • the main body 44 and the hinge part 48 define a pressure medium chamber 54, which can be acted upon via a channel 56 optionally with a suitable liquid or gaseous pressure medium (eg oil or compressed air), during the processing of the optically active surface F on the receiving portion 50 and resting thereon polishing plate 10 to apply a processing pressure.
  • a suitable liquid or gaseous pressure medium eg oil or compressed air
  • Guided longitudinally displaceable on the base body 44 is a guide member 58 which is operatively connected to the receiving portion 50 of the joint part 48, so that the receiving portion 50 in the longitudinal direction of the guide member 58 and held movable in the transverse direction to the guide member 58, but under an elastic deformation of the Faltenbalgabites 52 of Joint part 48 is tiltable with respect to the guide member 58 is.
  • the preferably metallic base body 44 has a fixing portion 60, by means of which the tool 12 releasably attached to the Tool spindle 46 can be mounted, and a subsequent to the mounting portion 60 head portion 62 to which the hinge part 48 is mounted interchangeable by means of the Faltenbalgabitess 52.
  • the attachment portion 60 in a very simple embodiment, a cylindrical outer peripheral surface.
  • the attachment portion can also be designed as a steep taper, with eg a hollow shaft cone according to the German standard DIN 69893.
  • the head section 62 of the main body 44 has a cylindrical shoulder 64, which is provided with a radial groove 66 for the positive fastening of the bellows section 52 of the joint part 48 on the main body 44.
  • the Faltenbalgabites 52 of the joint part 48 has a substantially hollow cylindrical mounting end portion 68 which is provided on the inner peripheral side with a radially inwardly projecting, circumferential nose 70 which engages positively into the radial groove 66 of the shoulder 64 on the head portion 62.
  • On the outer circumference of the fastening end portion 68 in turn is provided with a radial groove 72 which serves the positive reception of a known, metallic ring clamp 74.
  • the ring clamp 74 clamps the fastening end section 68 against the shoulder 64.
  • the receiving portion 50 of the joint part 48 is positively secured to the Faltenbalgabrough 52 in the tensile and compressive direction and in the circumferential direction frictionally.
  • the substantially plate-shaped receiving portion 50 on a cylindrical outer peripheral surface 76 has a radial groove 78 into which engages on a hollow cylindrical mounting end 80 of the Faltenbalgabitess 52 on the inner circumference circumferentially mounted, radially inwardly projecting nose 82 positively.
  • the mounting end portion 80 is provided on the outer peripheral side with a radial groove 84 for receiving a ring clamp 86, which braces the mounting end 80 with the receiving portion 50.
  • the existing in the illustrated embodiment of a plastic receiving portion 50 of the joint part 48 is in a plan view from above in Fig. 1 seen circular and has on its the pressure medium chamber 54 facing inside substantially centrally an undercut receiving chamber 88 for pivotal connection of the receiving portion 50 to the guide member 58.
  • the latter is formed by a pin which is longitudinally displaceably and rotatably guided in a central receiving bore 90 in the main body 44 , which extends in the longitudinal direction through the entire body 44 therethrough.
  • the guide member 58 At its end facing the receiving portion 50 of the joint part 48, the guide member 58 has a ball head 92, which is connected via a conical transition section with a cylindrical main part 94 of the guide member 58 guided in the receiving bore 90.
  • the ball head 92 of the guide member 58 is knotted in the undercut receiving chamber 88 of the receiving portion 50 in the manner of a ball joint, so that the receiving portion 50 can pivot relative to the guide member 58 and perform gimbal compensating movements.
  • the channel 56 is formed for pressurizing the pressure medium chamber 54 in the guide member 58, wherein the channel 56 in the guide member 58 has a longitudinal bore 96 which communicates via a transverse bore 98 near the ball head 92 with the pressure medium chamber 54.
  • the guide member 58 is biased in the direction of the surface F to be processed by means of a helical compression spring 100, which in Fig. 1 is received in the receiving bore 90 below the guide member 58 and is supported on a grub screw 102.
  • the grub screw 102 is finally screwed into an internally threaded portion 104 of the receiving bore 90 in the base body 44 and provided with a through hole 106 for the pressure medium.
  • the receiving portion 50 of the joint part 48 by means of the guide member 58 in the transverse direction relative to the base body 44 is supported.
  • the guide member 58 can follow the receiving portion 50 in the axial direction and vice versa, when the pressure medium chamber 54 is acted upon by the channel 56 with the pressure medium or the receiving portion 50 is pressed by external action against the force of the helical compression spring 100 in the direction of the main body 44.
  • the receiving portion 50 of the hinge portion 48 due to the hinge connection to the guide member 58 on the ball head 92 of the guide member 58 tilt, wherein the Faltenbalgabites 52 of the joint part 48 is deformed accordingly.
  • a toric preformed support surface 38 on the support body 14 which has a base axis BA and a cylinder axis ZA (see Fig. 3 )
  • the truncated pyramidal recess 112 in the carrier body 14 is aligned with respect to the support surface 38, that the longer edge pair 114 is parallel to the base axis BA, which increases the tilt stability of the polishing plate 10 during processing.
  • a high tilting stability of the polishing plate 10 is also conducive to the fact that the formed by the undercut receiving chamber 88 in the receiving portion 50 of the joint part 48 and the ball head 92 of the guide member 58 ball joint is at least partially in the region of the projection 110, whereby the point to the the receiving portion 50 can tilt, the location of the machining engagement between the polishing plate 10 and the lens L is relatively close.
  • the tool 12 and the lens L are also in a conventional manner substantially synchronously, that is driven in the same direction and at substantially the same speed.
  • the tool 12 and the lens L are simultaneously pivoted relative to each other, so that the engagement area between the polishing plate 10 and lens L changes continuously.
  • Excess polish is here, as in Fig. 1 indicated by arrows in the foam layer 16, displaced both radially outward and radially inward, from where it can wet over the opening 20 in the polishing film 18 to be processed surface F of the lens L.
  • the Fig. 4 shows a second embodiment of a polishing pad 10, which is mounted on a tool 12 for fine machining of optically active surfaces F to particular spectacle lenses L. Since the latter is not of the tool 12 according to Fig. 1 is different, the drawing was aborted down.
  • the polishing plate 10 according to the second embodiment differs from the polishing plate 10 according to the first embodiment only in that the polishing film 18 projects beyond the outer peripheral surface 32 of the recess 30 in the foam layer 16 with an inner edge portion 118 radially inward.
  • a natural radius or an "edge rounding" arises at 120, which leaves no undesirable machining marks during the machining of the optically effective surface F.
  • the Fig. 5 to 9 illustrate finally that the opening 20 / openings 20 in a central region of the polishing sheet 18 of the polishing pad 10 according to the respective processing requirements, for example, depending on the polishing pressure, the size and / or the position of the surface area on the surface to be machined F, at the processing is constantly covered by the polishing plate 10, a different position, size, shape and / or number may have.
  • Exemplified are a cruciform ( Fig. 5 ), star-shaped ( Fig. 6 ), curved or S-shaped ( Fig. 7 ) and oblong or elliptical ( Fig. 8 ) Opening 20 in the polishing film 18 and a plurality of openings 20 (FIG. Fig. 9 ) similar in shape and distribution to the mounting holes on a button.
  • a polishing plate for a tool for fine machining of optically effective surfaces on, in particular, spectacle lenses which has a carrier body to which a foam layer is attached, which rests on a polishing foil.
  • the polishing foil is in a middle area provided with at least one opening. The opening provides pressure equalization during processing and provides liquid polishing agent from inside the foam layer, thereby providing better rinsing and cooling of otherwise less favored beater areas.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (13)

  1. Disque de polissage (10) pour un outil (12) destiné à l'usinage de finition de surfaces actives optiques (F) notamment sur des verres de lunettes (L), comprenant un corps de support (14) sur lequel est fixée une couche de mousse (16) sur laquelle repose une feuille de polissage (18), la feuille de polissage (18) étant pourvue, dans une zone centrale, d'au moins une ouverture (20),
    caractérisé en ce qu'à ladite au moins une ouverture (20) dans la feuille de polissage (18) se raccorde, en direction du corps de support (14), un évidement (30) dans la couche de mousse (16), et la feuille de polissage (18) dépasse vers l'intérieur d'un pourtour extérieur (32) de l'évidement (30) dans la couche de mousse (16).
  2. Disque de polissage (10) selon la revendication 1, caractérisé en ce que ladite au moins une ouverture (20) dans la feuille de polissage (18) est ronde.
  3. Disque de polissage (10) selon la revendication 1 ou 2, caractérisé en ce que ladite au moins une ouverture (20) dans la feuille de polissage (18) occupe une zone de surface de 0,25 à 2 % de la surface frontale totale de la feuille de polissage (18).
  4. Disque de polissage (10) selon l'une des revendications précédentes, caractérisé en ce que l'évidement (30) s'étend jusqu'au corps de support (14).
  5. Disque de polissage (10) selon l'une des revendications précédentes, caractérisé en ce que la feuille de polissage (18) dépasse vers l'extérieur d'un pourtour extérieur (24) de la couche de mousse (16).
  6. Disque de polissage (10) selon l'une des revendications précédentes, caractérisé en ce que le corps de support (14) est pourvu d'une empreinte en creux (34) pour l'orientation de la couche de mousse (16).
  7. Disque de polissage (10) selon l'une des revendications précédentes, caractérisé en ce que le corps de support (14) présente une surface de support (38) sur laquelle est fixée la couche de mousse (16), la surface de support (38) étant préformée en fonction de la macro-géométrie de la surface (F) à usiner.
  8. Disque de polissage (10) selon l'une des revendications précédentes, caractérisé en ce que le corps de support (14) est réalisé en un matériau élastique du genre caoutchouc présentant une dureté selon Shore se situant dans une plage de préférence de 60 à 80.
  9. Outil (12) pour l'usinage de finition de surfaces actives optiques (F) notamment sur des verres de lunettes (L), comprenant
    un corps de base (44) qui peut être rapporté sur une broche porte-outil (46) d'une machine d'usinage,
    une partie articulée (48) qui présente un élément de réception (50) guidé de manière mobile longitudinalement et en basculement par rapport au corps de base (44), et auquel se raccorde en direction du corps de base (44), un tronçon de soufflet (52) au moyen duquel la partie articulée (48) est fixée au corps de base (44) de manière à pouvoir être entraînée en rotation,
    une chambre d'agent de pression (54) délimitée par le corps de base (44) et la partie articulée (48), et pouvant être alimentée sélectivement par un agent de pression, et
    un disque de polissage (10) selon l'une des revendications précédentes, qui est maintenu de manière interchangeable sur l'élément de réception (50) de la partie articulée (48).
  10. Outil (12) selon la revendication 9, dans lequel sur les surfaces (108, 42) mutuellement en regard de l'élément de réception (50) de la partie articulée (48) et du corps de support (14) du disque de polissage (10), sont formées des structures (110, 112) de configuration complémentaire, qui s'engagent l'une dans l'autre par complémentarité de formes, en vue de garantir une tenue fiable du disque de polissage (10) sur l'élément de réception (50) et un entraînement en rotation du disque de polissage (10) avec cet élément de réception (50).
  11. Outil (12) selon la revendication 10, dans lequel les structures de configuration complémentaire sont réalisées par une protubérance (110) sur l'élément de réception (50) et un évidement (112) associé dans le corps de support (14).
  12. Outil (12) selon la revendication 11, dans lequel la protubérance (110) sur l'élément de réception (50) et l'évidement (112) dans le corps de support (14) présentent une forme de tronc de pyramide qui a une surface de base rectangulaire, non carrée, avec une paire de côtés plus longs (114) et une paire de côtés plus courts (116).
  13. Outil (12) selon la revendication 12, comprenant un disque de polissage (10) selon au moins la revendication 7, dans lequel la surface de support (38) du corps de support (14) est préformée de manière asphérique, avec un axe de base (BA) et un axe de cylindre (ZA) , et dans lequel l'évidement (112) en forme de tronc de pyramide dans le corps de support (14) est orienté de manière telle par rapport à la surface de support (38), que la paire de côtés plus longs (114) s'étende parallèlement à l'axe de base (BA).
EP06003967A 2005-03-04 2006-02-27 Disque de polissage pour outil de finition de surfaces optiques en particulier de verres de lunettes Active EP1698432B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005010583A DE102005010583A1 (de) 2005-03-04 2005-03-04 Polierteller für ein Werkzeug zur Feinbearbeitung von optisch wirksamen Flächen an insbesondere Brillengläsern

Publications (3)

Publication Number Publication Date
EP1698432A2 EP1698432A2 (fr) 2006-09-06
EP1698432A3 EP1698432A3 (fr) 2007-07-18
EP1698432B1 true EP1698432B1 (fr) 2009-07-15

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EP06003967A Active EP1698432B1 (fr) 2005-03-04 2006-02-27 Disque de polissage pour outil de finition de surfaces optiques en particulier de verres de lunettes

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US (1) US7278908B2 (fr)
EP (1) EP1698432B1 (fr)
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ES (1) ES2326991T3 (fr)

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JP6378626B2 (ja) * 2014-12-17 2018-08-22 オリンパス株式会社 光学素子の加工用工具および光学素子の製造方法
CN106141922B (zh) * 2015-03-23 2018-09-14 深圳富泰宏精密工业有限公司 抛光工具
DE102015110712A1 (de) * 2015-07-02 2017-01-05 Bundesrepublik Deutschland, vertr. durch das Bundesministerium für Wirtschaft und Energie, dieses vertreten durch den Präsidenten der Physikalisch-Technischen Bundesanstalt Maschine zum Herstellen von Kugeln, Kugel und Verfahren zum Herstellen einer Kugel
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EP3418000B1 (fr) 2017-06-19 2024-02-21 Schneider GmbH & Co. KG Porte-outil et dispositif de polissage de lentilles
EP3479912A1 (fr) 2017-11-07 2019-05-08 Satisloh AG Station de nettoyage pour des éléments optiques
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DE102021005202A1 (de) 2021-10-19 2023-04-20 Satisloh Ag Aufnahme für die Bearbeitung von optischen Werkstücken, insbesondere Brillenlinsen

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US7278908B2 (en) 2007-10-09
DE102005010583A1 (de) 2006-09-07
US20060199481A1 (en) 2006-09-07
DE502006004214D1 (de) 2009-08-27
EP1698432A3 (fr) 2007-07-18
EP1698432A2 (fr) 2006-09-06
ES2326991T3 (es) 2009-10-22

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