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EP2011603A1 - Machine destinée au traitement de pièces optiques, en particulier de verres solaires en plastique - Google Patents

Machine destinée au traitement de pièces optiques, en particulier de verres solaires en plastique Download PDF

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Publication number
EP2011603A1
EP2011603A1 EP08010854A EP08010854A EP2011603A1 EP 2011603 A1 EP2011603 A1 EP 2011603A1 EP 08010854 A EP08010854 A EP 08010854A EP 08010854 A EP08010854 A EP 08010854A EP 2011603 A1 EP2011603 A1 EP 2011603A1
Authority
EP
European Patent Office
Prior art keywords
machine
workpiece
drive unit
axis
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08010854A
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German (de)
English (en)
Other versions
EP2011603B2 (fr
EP2011603B1 (fr
Inventor
Holger Schäfer
Steffen Wallendorf
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.)
Satisloh AG
Original Assignee
Satisloh AG
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Filing date
Publication date
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Application granted granted Critical
Publication of EP2011603B1 publication Critical patent/EP2011603B1/fr
Publication of EP2011603B2 publication Critical patent/EP2011603B2/fr
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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
    • B24B13/0031—Machines having several working posts; Feeding and manipulating devices
    • 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
    • B24B13/06—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
    • 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
    • Y10S29/00—Metal working
    • Y10S29/086—Hood encased cutter
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5124—Plural diverse manufacturing apparatus including means for metal shaping or assembling with means to feed work intermittently from one tool station to another
    • Y10T29/5127—Blank turret
    • Y10T29/5128—Rotary work - vertical axis
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5124—Plural diverse manufacturing apparatus including means for metal shaping or assembling with means to feed work intermittently from one tool station to another
    • Y10T29/5127—Blank turret
    • Y10T29/5129—Rotary work - horizontal axis
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/30392—Milling with means to protect operative or machine [e.g., guard, safety device, etc.]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/304536—Milling including means to infeed work to cutter
    • Y10T409/305264—Multiple work stations
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/304536—Milling including means to infeed work to cutter
    • Y10T409/30532—Milling including means to infeed work to cutter with means to advance work or product
    • Y10T409/305432—Endless or orbital work or product advancing means
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/304536—Milling including means to infeed work to cutter
    • Y10T409/305544—Milling including means to infeed work to cutter with work holder
    • Y10T409/305656—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation
    • Y10T409/305768—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation with linear movement of work
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/304536—Milling including means to infeed work to cutter
    • Y10T409/305544—Milling including means to infeed work to cutter with work holder
    • Y10T409/305656—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation
    • Y10T409/305824—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation with angular movement of work
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2514—Lathe with work feeder or remover
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2524—Multiple
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2566—Bed

Definitions

  • the present invention relates to a machine for processing optical workpieces according to the preamble of claim 1.
  • the invention relates to the industrial processing of prescription surfaces on lenses of plastics such as polycarbonate, CR39 and so-called "high index" materials.
  • plastic injection-molded spectacle lens blank also called a blank
  • a plastic injection-molded spectacle lens blank also called a blank
  • the generally concave interior or prescription surfaces are machined to have a spherical, aspherical, toric, atorical, progressive, or free-form geometry (e.g., progressive power), depending on the desired optical effect.
  • the typical conventional process in inner surface working after blocking the lens blank with its outer surface on a block piece, provides a milling or turning process for producing the optically active form, usually followed by a finish grinding or polishing process to achieve the necessary surface finish.
  • a series-working combined milling-turning machine which generally has the following components: A workpiece spindle, by means of which the workpiece is rotatably driven about a workpiece axis of rotation, at least one machining unit having a tool by means of which on the Workpiece spindle held workpiece machinable, and an adjusting mechanism for generating a relative movement between the workpiece spindle and the tool to allow either a loading / unloading or machining of the workpiece.
  • the prior art machine has on a side of a working space in parallel arrangement a milling machining unit with a milling spindle and a rotary machining unit with two fast tool arrangements, wherein the provided on the opposite side of the working space adjustment mechanism by a workpiece spindle supporting the cross table assembly is formed, by means of which the workpiece held on the workpiece workpiece can be moved on the one hand parallel to the processing units (X-axis) and on the other hand to these from or away from them (Y-axis).
  • VFT Ultra marketed by Satisloh AG
  • the invention has for its object to provide a compact machine for machining of optical workpieces, in particular of plastic spectacle lenses, in which in particular the working space as easy as possible encapsulate or seal.
  • the adjusting mechanism comprises a linear drive unit and a pivot drive unit, which are arranged on top of each other, wherein the workpiece spindle by means of the pivot drive unit about a pivot axis A is pivotally substantially perpendicular to the workpiece axis of rotation B, while the workpiece spindle is movable by means of the linear drive unit along a linear axis Y, which is substantially perpendicular to the pivot axis A and substantially parallel to the workpiece axis of rotation B or substantially parallel to the pivot axis A and substantially perpendicular to the workpiece axis.
  • Rotary axis B runs.
  • the second alternative is quite suitable for building about a fast-tool lathe, in the the tool is assigned a position-controlled (infeed) axis anyway, which can compensate for most machining cases the lack of a corresponding movement possibility on the workpiece side.
  • the second-mentioned alternative would be less suitable because this would require an additional position-controlled linear axis on the tool side, which would not be needed in the former alternative to a milling tool.
  • the pivot drive unit in comparison to the previously known linear drive unit can be much easier "seal", i. the not in the working space of the machine above components of the swivel drive unit can be easily separated from the working space or encapsulate, such as by means of suitable rotary joints seals with commercial lip seal profiles measures for Sperrluftbeetzschung etc., which is also common that they are very wear and low friction can be.
  • the machine according to the invention is very compact due to the stacked arrangement of linear drive unit and pivot drive unit; Long travels, as they are required in the generic state of the art in the X-axis, to be able to approach the individual processing units, are not available. This also leads to an acceleration of the processing, namely a shortening of the processing overhead times, because the moving machine components on the workpiece side compared to the generic state of the art have to travel shorter distances.
  • the arrangement of the linear drive unit and the pivot drive unit allows the respective guides to be arranged very close to each other, resulting in a high rigidity of the adjustment mechanism. This is also beneficial for a high quality of processing.
  • the machine concept according to the invention allows a very flexible modular structure of the machine, in which the respective processing requirements according to processing units, handling units, measuring stations, etc. in the Art a modular and can be grouped around the adjustment mechanism around.
  • the machine concept according to the invention is advantageous from an ergonomic point of view; The individual machine components can be easily arranged so that they are easily accessible for assembly, maintenance and set-up operations.
  • linear drive unit is arranged on the pivot drive unit.
  • this makes the machine concept more flexible with regard to the possible machine expansion stages;
  • a smaller installation space is required for the adjusting mechanism and the linear drive unit can be sealed more easily.
  • the workpiece spindle is controlled by means of the pivot drive unit in the rotation angle, that is, angular position-controlled about the pivot axis A is pivotable.
  • the pivot drive unit mainly serves the workpiece change, as described above, it may be sufficient to provide instead of a CNC controlled pivot axis A only a not controlled in the rotation angle pivoting possibility of the workpiece spindle on end stops.
  • the pivot drive unit may have a pivot table, are mounted on the parallel guide rails for a Y-carriage of the linear drive unit, wherein between the guide rails, a linear motor is arranged, by means of which the Y-carriage is movable relative to the pivot table ,
  • a linear motor is arranged, by means of which the Y-carriage is movable relative to the pivot table .
  • the pivot drive unit for generating the pivoting movement about the pivot axis A has a torque motor. This makes a gear in the generation of the pivoting dispensable, so that no gear (reversal) play can occur, whereby a high and reproducible accuracy of the pivoting movements of the workpiece spindle about the pivot axis A and thus the angle adjustment is achieved.
  • the machine concept according to the invention is so flexible that the at least one machining unit can be a turning-machining unit with a fast-tool arrangement and / or a milling-machining unit with a tool spindle, wherein the The simplest variant of the machine would have only such a processing unit.
  • the adjusting spindle carrying the workpiece spindle is arranged at a central location in the machine frame, while the at least one processing unit, a loading / unloading station for loading / unloading of workpieces and at least one further unit or station is star-like - eg cross-, X- or Y-shaped or with respect to the pivot axis A unevenly angularly spaced - are arranged around the adjusting mechanism, the latter, ie the at least one further unit or station is selected from a group comprising the following units or stations: a turning processing unit with a fast tool arrangement, a milling processing unit with a tool spindle, an engraving station for applying a marking to the workpiece and a measuring station for measuring the workpiece.
  • the fast tool arrangements may be e.g. be driven so that the one fast tool assembly rotates the rotating workpiece with reciprocating movements (F1 axis), while the other fast tool arrangement oscillates in relation to the pivot axis A in opposite directions to the first Fast tool arrangement to prevent excessive vibration excitation of the machine frame by vibration compensation.
  • direction of action F1 (F2) of the fast tool arrangement of the at least one rotary machining unit with respect to a plane which is substantially perpendicular to the pivot axis A is inclined such that the fast tool arrangement of the Adjusting seen from radially outward falls.
  • the measure of the feed movement of the workpiece spindle in the direction of its axis (Y-axis in the first alternative according to the invention) and thus the achieved height compensation between the workpiece rotation axis B and the operating point of the cutting tool cutting edge takes place here in accordance with the sine function of the predetermined angle between the pivot axis A perpendicular plane and the direction of action F1 (F2) of the fast tool arrangement.
  • the inclination of the fast tool assembly is such that the latter falls radially outward as seen from the adjustment mechanism, has the advantage that the turning tool when switching off the energization of the fast tool assembly in a respect to the working space of the machine withdrawn position can run back and there remains in the de-energized state of the fast tool assembly, so that the risk is reduced that the operator of the machine in any set-up work or the like. injured in the working space of the machine at the very sharp turning cutting edge.
  • a cover hood can be attached to a swivel table of the swivel drive unit, which at the same time covers the workpiece spindle and the linear drive unit, so that advantageously no separate sealing and / or protective measures are required here.
  • the cover may have an opening through which the workpiece spindle extends through movable, wherein between an inner periphery of the opening and an outer periphery of the workpiece spindle a rolling bellows is arranged, which seals the interior of the cover against the working space of the machine.
  • a rolling bellows is inexpensive, seals reliably, is not susceptible to wear and sets the linear movements of the workpiece spindle against only a very low resistance.
  • the workpiece spindle has an aerostatic bearing.
  • the exhaust air of such storage serves as a barrier air at the same time, which prevents cooling lubricant or the like. from the working space of the machine can penetrate through any existing gaps or cracks in the cover or the workpiece spindle.
  • a machine frame pivotable machine head which limits the working space of the machine together with the machine frame, wherein the machine upper part has a lower, substantially annular cylindrical edge, the form-fitting in the closed state of the machine shell in an associated , engages substantially annular recess in the machine frame.
  • the machine frame may preferably be made of monolithic polymer concrete - also known as mineral casting.
  • This material which is a composite material consisting of a mineral filler mixture and a binder based on reactive resin, has, inter alia, a high mass and a low coefficient of thermal expansion, is very stiff and has very good damping properties, especially in the case of use a rotary machining unit with a fast tool arrangement is advantageous in order to prevent vibrations generated by the fast tool arrangement from being transmitted to the adjusting mechanism and thus the workpiece spindle in a disturbing manner via the machine frame.
  • the adjusting mechanism 26 has a linear drive unit 28 and a pivot drive unit 30 (see Fig. 3 to 6 ), which are arranged on each other, wherein the workpiece spindle 12 is pivotable about a pivot axis A by means of the pivot drive unit 30, which is substantially perpendicular to the workpiece axis of rotation B, while the workpiece spindle 12 by means of the linear drive unit 28 along a linear axis Y is movable in the illustrated embodiment is substantially perpendicular to the pivot axis A and substantially parallel to the workpiece axis of rotation B.
  • the machine 10 has a monolithic molded polymer concrete machine frame 32, which is provided starting from its upper side 34 in the middle with a ring trough-like recess 36 which defines a working space 38 of the machine 10 down and laterally.
  • a bearing eye 40 is provided for the adjusting mechanism 26.
  • Fig. 2 are also two with respect to the bearing eye 40 diametrically opposite drains 42 for the coolant and chip disposal in the bottom of the recess 36 can be seen.
  • Around the recess 36 around a plurality of flange surfaces 44 are embedded in the machine frame 32 in a star-like arrangement starting from the top 34, which serve to mount the processing units 14, 16, 22 and other units or stations, which will be described below.
  • the Fig. 1 and 2 still show a laterally mounted on the machine frame 32 transport device 46 for the transport of work boxes 48 in which to be processed / processed lenses L are transported.
  • a control cabinet 50 is mounted on the machine frame 32, which contains the required control and supply modules.
  • the linear drive unit 28 is arranged on the pivot drive unit 30.
  • the latter is mounted in the bearing eye 40 of the machine frame 32 by means of a two-part bearing flange 52, which has a lower part 54 and an upper part 56.
  • the pivot drive unit 30 has a torque motor 58, which - like all other main drives of the machine 10 also - is water cooled (not shown in detail) and serves to pivot the workpiece spindle 12 in the rotation angle CNC-controlled about the pivot axis A.
  • the stator 60 of the torque motor 58 is fixed in the lower part 54 of the bearing flange 52, while the rotor 62 of the torque motor 58 by means of a combined axial-radial needle bearing assembly 64 is rotatably mounted in the lower part 54 of the bearing flange 52.
  • an aerodynamic or hydrostatic bearing of the rotor 62 could also be provided.
  • annular measuring system 66 is further provided which surrounds the rotor 62 of the torque motor 58 and by means of which the angular position of the rotor 62 with respect to the stator 60 for the angular position control of the torque motor 58 can be detected.
  • a hollow shaft encoder could be considered.
  • a pivot table 68 is attached to the rotor 62 of the torque motor 58, 52 annular seals 70 are provided between the pivot table 68 and the stationary upper part 56 of the bearing flange, which seal the pivot drive unit 30 relative to the working space 38 of the machine.
  • a Sperrluftbeaufschlagung done here (not shown in detail), which also prevents coolant enters the rotary drive unit 30.
  • FIG. 5 and 6 further show that two guide rails 72 for a Y-carriage 74 of the linear drive unit 28 are mounted on the turntable 68 in a parallel arrangement.
  • the Y-carriage 74 is slidably guided by means of a total of four carriages 76 on the guide rails 72, in a large spatial proximity to the axial-radial needle bearing arrangement 64 of the pivot drive unit 30th
  • a linear motor 78 is arranged, by means of which the Y-carriage 74 relative to the turntable 68 is movable or adjustable, namely CNC-position-controlled in both directions of the Y-axis (the associated measuring system is not to simplify the illustration shown). While the stator 80 of the linear motor 78 is fixed to the turntable 68, the rotor 82 of the linear motor 78 is mounted on the Y-carriage 74, on which in turn the workpiece spindle 12 is mounted.
  • the workpiece spindle 12 is known per se and therefore need not be further described at this point. It should be mentioned only that the workpiece spindle 12 has an aerostatic bearing (not shown in detail), the exhaust air advantageously contributes to the sealing against the working space 38, and with a double-acting piston-cylinder assembly 84 is provided for the operation of a collet 86 (see Fig. 5 ), by means of which on a block piece (not shown) blocked spectacle lens L can be clamped to the workpiece spindle 12. Finally, with the aid of the electric motor 88 of the workpiece spindle 12, the spectacle lens L is in the angular position of rotation CNC-controlled about the workpiece rotation axis B rotationally driven (the associated measuring system is again not shown for simplicity of illustration).
  • a cover hood 90 is attached, which covers both the workpiece spindle 12 and the linear drive unit 28, wherein the interior 92 of the cover 90 by means of sealing profiles 94 which between the cover 90 and the pivot table 68th are arranged opposite the working space 38 of the machine 10 is sealed.
  • the cover 90 On the in Fig. 5 On the right side, the cover 90 has an opening 96, through which the workpiece spindle 12 extends movably, so that the collet 86 with the spectacle lens L stretched in it is located in the working space 38 of the machine 10.
  • a rolling bellows 98 is finally arranged, which is suitably attached to the workpiece spindle 12 and cover 90 and (also) serves to seal the interior 92 of the cover 90 relative to the working space 38 of the machine 10 ,
  • FIG. 1 and 2 Now show various units or stations that are arranged in a star-like manner around the provided at a central location in the machine frame 32, the workpiece spindle 12 supporting adjusting mechanism 26 around.
  • the workpiece spindle 12 of the rotary processing unit 14 opposite.
  • the rotary processing unit 16 On the relative to the adjusting mechanism 26 diametrically opposite side of the machine frame 32 is the rotary processing unit 16, so that the effective directions F1, F2 arranged in opposite positions Fast tool assemblies 18, 20 and the pivot axis A substantially in one plane lie, which can be used by suitable control of the fast tool assemblies 18, 20 for vibration compensation.
  • the internal structure and function of the fast tool assemblies 18, 20 shown here are in the EP-A-1 779 967 The same applicant described in detail, which is hereby incorporated by reference to avoid repetition.
  • flange 44 extend for the Fast tool assemblies 18, 20 obliquely, so that they fall off starting from the working space 38 of the machine 10 radially outward.
  • the directions of action F1, F2 of the fast tool assemblies 18, 20 mounted on the flange surfaces 44 are correspondingly inclined with respect to a plane which is substantially perpendicular to the pivot axis A.
  • Sense and purpose of the inclination are in the EP-A-1 719 585 The same applicant described in detail, to which also hereby expressly avoided to avoid repetition becomes.
  • the loading / unloading station 100 has a loading mechanism 102 adapted in terms of its degrees of freedom of movement and grasping capabilities Remove lens L from a work box 48 and, after opening a door 104 provided on the machine frame 32, move it into the working space 38 of the machine 10 to tension the blocked lens L on the workpiece spindle 12, and vice versa.
  • the second rotary processing unit 16 This corresponds in principle to the first rotary processing unit 14, but may be provided according to the respective processing requirements with another turning tool 21, possibly also with an engraving stylus, as in the older German patent application 10 2006 026 524.6 the same applicant, which is hereby expressly referred to the engraving or marking function.
  • the lenses L could, if desired or required, but also other means are used, for example, a laser or engraving stylus, which is similar to a stylus mounted aerostatically and driven by a voice coil drive The latter could also be dimensioned significantly smaller than the fast tool arrangements 18, 20 shown here.
  • a device could be mounted approximately on the still free flange surface 44 of the machine frame 32 (see FIG Fig. 1 , front left or Fig. 2 , bottom left).
  • a measuring station 106 for measuring the lenses L may be a known form sensor, by means of which the lens L can be measured in situ. Also conceivable are devices for non-contact, eg optical measurement of the lenses L. If such a measuring station 106 is present, the machine 10 - namely their rotary processing units 14, 16 - be automatically calibrated, as in EP-A-1 719 584 described in detail by the same applicant.
  • An additional cribbing spindle with a milling tool projecting into the working space 38 could also be provided on the machine frame 32 for the edge (s) of the spectacle lenses L (not shown), whose axis of rotation would preferably lie in the same plane as the workpiece axis of rotation B. , like from the EP-A-1 719 573 the same applicant.
  • Fig. 7 to 10 Further details of the encapsulation of the working space 38 of the machine 10 are the Fig. 7 to 10 refer to.
  • Fig. 7 At the front, 108 denotes a sliding door, which is suitably guided on the machine frame 32 and can be lowered into it (see the US Pat Fig. 9 and 10 ) to allow an operator to access the workspace 38 of the machine 10.
  • patch and attached covers 110 cover in particular the rotary processing unit 14 and the measuring station 106 from; between the latter and the working space 38 can also be an optional door to sit open to protect the measuring station 106 (not shown).
  • a control panel 112 with integrated screen is on in the Fig. 7 . 8th and 10 left cover 110 is arranged.
  • the machine 10 has a machine upper part 114, which is hinged by means of hinges 116 in the area of the control cabinet 50 with respect to the machine frame 32, between a lower, closed position (FIG. Fig. 7 and 9 ), in which the working space 38 of the machine 10 is hermetically sealed, and an upper, open position (FIG. Fig. 10 ).
  • the machine head 114 has an elliptical viewing window 118, which allows the operator in the closed position of the machine head 114 a clear view into the working space 38 of the machine 10.
  • the oblique installation of the viewing window 118 ensures a targeted drainage of the during the processing of the inside against the viewing window 118 splashing cooling lubricant.
  • the machine head 114 finally has a lower, substantially annular cylindrical edge 120, which in accordance with Fig. 8 in the closed state of the machine head 114 positively engages in an associated, substantially annular recess 122 in the machine frame 32.
  • a circumferential seal 124 can be arranged between the edge 120 of the machine upper part 114 and the associated recess 122 in the machine frame 32 (see FIG Fig. 8 ).
  • a machine for processing optical workpieces comprising a workpiece spindle, by means of which the workpiece about a workpiece axis of rotation (B) is rotatably driven, at least one machining unit having a tool, by means of which the workpiece is machinable, and a Adjustment mechanism for generating a relative movement between the workpiece spindle and tool, to allow either a loading / unloading or editing of the workpiece.
  • the adjusting mechanism has a linear drive unit and a pivot drive unit, which are arranged on each other, wherein the workpiece spindle by means of the pivot drive unit about a pivot axis (A) is pivotable, which is perpendicular to the workpiece axis of rotation, while the workpiece spindle by means of the linear drive unit along a linear axis (Y) is movable, which in particular runs perpendicular to the pivot axis and parallel to the workpiece axis of rotation.
  • A pivot a pivot axis
  • Y linear axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Milling Processes (AREA)
  • Eyeglasses (AREA)
  • Optical Filters (AREA)
  • Machine Tool Units (AREA)
EP08010854.1A 2007-07-06 2008-06-14 Machine destinée au traitement de pièces optiques, en particulier de verres solaires en plastique Active EP2011603B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007031703A DE102007031703A1 (de) 2007-07-06 2007-07-06 Maschine zur Bearbeitung von optischen Werkstücken, insbesondere von Kunststoff-Brillengläsern

Publications (3)

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EP2011603A1 true EP2011603A1 (fr) 2009-01-07
EP2011603B1 EP2011603B1 (fr) 2010-05-26
EP2011603B2 EP2011603B2 (fr) 2014-07-30

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Country Status (8)

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US (1) US7975356B2 (fr)
EP (1) EP2011603B2 (fr)
JP (1) JP5198957B2 (fr)
CN (1) CN101337281B (fr)
AT (1) ATE468939T1 (fr)
BR (1) BRPI0803511B1 (fr)
DE (2) DE102007031703A1 (fr)
ES (1) ES2345575T5 (fr)

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EP2636484A3 (fr) * 2012-03-09 2014-11-12 Nidek Co., Ltd Appareil de traitement de l'objectif à loupe
EP2963458A1 (fr) 2014-07-05 2016-01-06 Satisloh AG Ébauche de lentille comportant un revêtement de préhension temporaire pour un procédé de verres de lunettes selon une prescription
WO2016058663A1 (fr) * 2014-10-15 2016-04-21 Satisloh Ag Dispositif d'usinage fin de surfaces optiquement actives en particulier de verres de lunettes
EP3124175A2 (fr) 2015-07-31 2017-02-01 Satisloh AG Procede de traitement de pieces usinees optiques, en particulier lentilles de lunette en matiere plastique
DE102017010321A1 (de) 2017-11-08 2019-05-09 Satisloh Ag Verfahren zur Fertigung von individuellen Brillenlinsen nach einem Rezeptauftrag
DE102021004831A1 (de) 2021-09-24 2023-03-30 Satisloh Ag Verfahren zur spanenden bearbeitung von optischen werkstücken, insbesondere brillenlinsen aus kunststoff
DE102021005202A1 (de) 2021-10-19 2023-04-20 Satisloh Ag Aufnahme für die Bearbeitung von optischen Werkstücken, insbesondere Brillenlinsen
DE102021005399A1 (de) 2021-11-01 2023-05-04 Satisloh Ag Verfahren zur spanenden bearbeitung von brillenlinsen und werkstück- haltekopf für optische werkstücke, wie brillenlinsen
EP4450220A1 (fr) 2023-04-20 2024-10-23 Satisloh AG Membrane elastique pour un support d'usinage de pieces optiques, notamment de lentilles de lunettes, et support ainsi equipe
DE102023110130A1 (de) 2023-04-20 2024-10-24 Satisloh Ag Aufnahme für die bearbeitung von optischen werkstücken, insbesondere brillenlinsen

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FR2987771B1 (fr) 2012-03-07 2014-04-25 Essilor Int Procede de polissage d'une surface optique au moyen d'un outil de polissage
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EP2636484A3 (fr) * 2012-03-09 2014-11-12 Nidek Co., Ltd Appareil de traitement de l'objectif à loupe
US9776293B2 (en) 2012-03-09 2017-10-03 Nidek Co., Ltd. Eyeglass lens processing apparatus
WO2013174487A3 (fr) * 2012-05-22 2014-08-28 Schneider Gmbh & Co. Kg Dispositif et procédé d'usinage d'une pièce optique
US10092956B2 (en) 2012-05-22 2018-10-09 Schneider Gmbh & Co. Kg Device and method for machining an optical workpiece
EP2963458A1 (fr) 2014-07-05 2016-01-06 Satisloh AG Ébauche de lentille comportant un revêtement de préhension temporaire pour un procédé de verres de lunettes selon une prescription
WO2016058663A1 (fr) * 2014-10-15 2016-04-21 Satisloh Ag Dispositif d'usinage fin de surfaces optiquement actives en particulier de verres de lunettes
EP3124175A2 (fr) 2015-07-31 2017-02-01 Satisloh AG Procede de traitement de pieces usinees optiques, en particulier lentilles de lunette en matiere plastique
DE102015009973A1 (de) 2015-07-31 2017-02-02 Satisloh Ag Verfahren zur Bearbeitung von optischen Werkstücken, insbesondere Brillenlinsen aus Kunststoff
DE102017010321A1 (de) 2017-11-08 2019-05-09 Satisloh Ag Verfahren zur Fertigung von individuellen Brillenlinsen nach einem Rezeptauftrag
DE102021004831A1 (de) 2021-09-24 2023-03-30 Satisloh Ag Verfahren zur spanenden bearbeitung von optischen werkstücken, insbesondere brillenlinsen aus kunststoff
WO2023046937A1 (fr) 2021-09-24 2023-03-30 Satisloh Ag Procédé d'usinage de pièces optiques, en particulier de verres de lunettes en matière plastique
DE102021005202A1 (de) 2021-10-19 2023-04-20 Satisloh Ag Aufnahme für die Bearbeitung von optischen Werkstücken, insbesondere Brillenlinsen
WO2023066824A1 (fr) 2021-10-19 2023-04-27 Satisloh Ag Dispositif de retenue en vue du traitement de pièces optiques à travailler, en particulier de verres de lunettes
DE102021005399A1 (de) 2021-11-01 2023-05-04 Satisloh Ag Verfahren zur spanenden bearbeitung von brillenlinsen und werkstück- haltekopf für optische werkstücke, wie brillenlinsen
WO2023073249A1 (fr) 2021-11-01 2023-05-04 Satisloh Ag Procédé d'usinage par enlèvement de copeaux de verres de lunettes et tête de maintien de pièce pour pièces optiques de type verres de lunettes
EP4450220A1 (fr) 2023-04-20 2024-10-23 Satisloh AG Membrane elastique pour un support d'usinage de pieces optiques, notamment de lentilles de lunettes, et support ainsi equipe
DE102023110129A1 (de) 2023-04-20 2024-10-24 Satisloh Ag Elastische membran für eine aufnahme zur bearbeitung von optischen werkstücken, insbesondere brillenlinsen, und damit ausgestattete aufnahme
DE102023110130A1 (de) 2023-04-20 2024-10-24 Satisloh Ag Aufnahme für die bearbeitung von optischen werkstücken, insbesondere brillenlinsen
EP4454810A1 (fr) 2023-04-20 2024-10-30 Satisloh AG Support pour l'usinage de pièces optiques, en particulier de lentilles de lunettes

Also Published As

Publication number Publication date
JP2009012178A (ja) 2009-01-22
ES2345575T3 (es) 2010-09-27
JP5198957B2 (ja) 2013-05-15
US20090011688A1 (en) 2009-01-08
DE502008000706D1 (de) 2010-07-08
EP2011603B2 (fr) 2014-07-30
CN101337281B (zh) 2013-04-24
DE102007031703A1 (de) 2009-01-08
US7975356B2 (en) 2011-07-12
EP2011603B1 (fr) 2010-05-26
BRPI0803511A2 (pt) 2009-04-07
CN101337281A (zh) 2009-01-07
ATE468939T1 (de) 2010-06-15
BRPI0803511B1 (pt) 2019-05-28
HK1121425A1 (en) 2009-04-24
ES2345575T5 (es) 2014-09-30

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