EP2384853B1 - Meuleuse à double face - Google Patents

Meuleuse à double face Download PDF

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Publication number
EP2384853B1
EP2384853B1 EP20110003552 EP11003552A EP2384853B1 EP 2384853 B1 EP2384853 B1 EP 2384853B1 EP 20110003552 EP20110003552 EP 20110003552 EP 11003552 A EP11003552 A EP 11003552A EP 2384853 B1 EP2384853 B1 EP 2384853B1
Authority
EP
European Patent Office
Prior art keywords
dressing
wheel
dressing wheel
machine according
grinding
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.)
Not-in-force
Application number
EP20110003552
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German (de)
English (en)
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EP2384853A1 (fr
Inventor
Frank Runkel
Rolf Zielke
Wolfgang Habbecke
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.)
Peter Wolters GmbH
Original Assignee
Peter Wolters GmbH
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Publication date
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Publication of EP2384853A1 publication Critical patent/EP2384853A1/fr
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Publication of EP2384853B1 publication Critical patent/EP2384853B1/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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
    • 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
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/02—Devices or means for dressing or conditioning abrasive surfaces of plane surfaces on abrasive tools

Definitions

  • the invention relates to a double-sided grinding machine with two grinding wheels, which are rotationally driven by means of at least one grinding wheel rotary drive, and which define a working gap for workpieces to be ground between their facing end faces, further comprising a Maschinen Swisszufiihr adopted containing the workpieces to be ground for processing outside of the working gap into and out of the working gap.
  • the working surfaces of the grinding wheels are dressed using, for example, so-called single-grain diamonds.
  • the einkorn diamond For this purpose, for example, attached to a pivoting arm and guided into the working gap.
  • the single-grain diamond is first brought into contact with the outside of the grinding wheel, which is rotationally driven for dressing.
  • the einkorndiamant is then guided continuously over the swivel arm to the inner edge of the particular annular work surface, so that the Einkorndiamant spirals sweeps over the entire work surface in the course of dressing.
  • grinding wheels containing a so-called superabrasive for example cubic boron nitride (CBN) or diamond, can not satisfactorily graze with single grain diamonds.
  • CBN cubic boron nitride
  • the present invention seeks to provide a double side grinding machine of the type mentioned, with which dressing of the grinding wheels, especially those containing superabrasive abrasive grains, is possible in a precise and satisfactory manner within the grinding machine in the mounted state of the grinding wheels.
  • a double side grinding machine of the type mentioned above is characterized by at least one dressing wheel with at least one abrasive surface for dressing the working surface of at least one of the grinding wheels and a dressing device with which the dressing wheel is movable between a rest position located outside the working gap and a dressing position located in the working gap and with the dressing wheel is rotatably driven, wherein the dressing wheel in the dressing position with its abrasive surface can be brought into contact with the work surface to be dressed.
  • both grinding wheels can be driven in rotation, in particular by means of one or two suitable drives. For example, they can be driven in opposite directions.
  • dressing in this context includes making a desired shape and / or sharpening the working surface of the grinding wheels.
  • at least one dressing wheel with at least one abrasive surface is provided for dressing the working surface of one or both grinding wheels.
  • several dressing wheels can be provided.
  • the dressing wheel can be moved by means of the dressing from a rest position outside the working gap in the working gap into it.
  • the dressing wheel for dressing the work surface or the work surfaces can be brought into contact with them.
  • both the dressing wheel and the grinding wheel (s) to be dressed can be rotated by means of suitable drives. It is for example possible to realize the rotation of the grinding wheel (s) during the dressing process by means of one or two auxiliary drives. In particular, are for The dressing often required lower speeds or desirable than during a grinding process.
  • suitable auxiliary drives can be provided, in particular if such low speeds can not be achieved with the main rotary drives.
  • a uniform dressing of the respective grinding wheel surface is achieved in contrast to the conventionally used single-diamonds.
  • a flat disc shape is produced in a particularly simple manner.
  • a conventional abrasive such as corundum or the like
  • This can break the bond of the top, operationally blunted layer of the work surface, often made of a superabrasive, such as cubic boron nitride or diamond, so that an underlying layer of sharp abrasive forms the new surface of the dressed work surface.
  • dressing of the grinding wheels in the installed state is possible with the double side grinding machine according to the invention, wherein the dressing process by the dressing wheel in relation to conventional dressing tools additionally simplified and accelerated.
  • the grinding wheels are annular, wherein the diameter of the dressing wheel is at least as large as the ring width of the working surface to be dressed, ie the difference between the outer and inner radius of the annular surface of the working surface to be dressed.
  • the diameter of the dressing wheel can also be greater than the width of the annular surface of the respective grinding wheel. It is ensured in this embodiment that all areas of the working surface of the grinding wheel are dressed in a uniform manner. At the same time no tracking of the dressing wheel in the radial direction is required after positioning the dressing wheel in the working gap. It can nevertheless be advantageous to pivot the dressing wheel during the dressing process. In practice, it has been found to be particularly favorable, although the dressing wheel is annular.
  • the dressing device may comprise a pivoting device, with which the dressing wheel between the rest position and the dressing position is pivotable.
  • the pivoting and swinging out can be done automatically or manually by a suitable drive.
  • the dressing wheel can be moved by the dressing device in the dressing position in the vertical direction against the working surface to be dressed.
  • the dressing wheel for dressing is thus actively moved against the grinding wheel to be dressed.
  • the grinding wheel to be dressed can be fixed in the vertical direction.
  • the dressing device has a suitable drive.
  • the grinding wheel having the work surface to be dressed may be movable against the dressing wheel located in the dressing position.
  • the grinding wheel is moved against the example fixed in the vertical direction dressing wheel. This can be done by means of the vertical drives of the grinding wheel or the grinding wheels also used during a grinding process.
  • the dressing wheel can each have, at least in sections, an abrasive surface for dressing the working surface of one of the grinding wheels on both of its opposite disk surfaces.
  • both grinding wheels with their work surfaces substantially simultaneously against the example fixed in the vertical direction dressing wheel be moved. If, on the other hand, the dressing wheel is actively moved against the grinding wheels, the two work surfaces are dressed in succession.
  • the abrasive surface may be formed differently on the opposite sides of the dressing wheel. In this way it is possible to simultaneously or successively dress the opposite working surfaces of the grinding wheels in different ways.
  • at least one of the disc surfaces of the dressing wheel can be completely provided with the abrasive surface.
  • both disc surfaces of the dressing wheel can be completely provided with the abrasive surface. It is also conceivable that one or both disc surfaces of the dressing wheel are only partially provided with an abrasive surface.
  • the dressing wheel can be provided on at least one, for example two, of its opposite disk surfaces at least in sections, for example over the entire surface, with an abrasive coating.
  • the abrasive coating can, for example, by gluing or the like on the dressing wheel. be attached.
  • the dressing wheel may also be provided with at least one, for example a plurality of dressing elements, which forms an abrasive surface on at least one, for example two, of its opposite disk surfaces at least in sections, for example over the entire surface.
  • the dressing element (s) may be fastened to the dressing wheel, for example by gluing or the like. It is also conceivable that the or the dressing elements held in one or more openings of the dressing wheel, in particular rotatably held, are.
  • openings (s) may have suitable complementary projections and recesses which prevent rotation of the or the dressing elements in the or openings.
  • the opening (s) may pass through the dressing wheel, with the dressing element (s) in the opening (s) rotatably, but can be held with axial play.
  • the dressing wheel is made entirely of an abrasive material.
  • the dressing process can be adapted to different wear patterns of the grinding wheels occurring during operation.
  • the dressing behavior and the resulting grinding wheel geometry can be adapted.
  • it can easily a different way.
  • Abricht be achieved from top to bottom of the dressing tool by different shaped and different numbers
  • Abrasivium be mounted on the two sides of the dressing wheel. It is also conceivable to use elements made of different abrasive material on the top and / or bottom of the dressing wheel.
  • the abrasive surface of the dressing wheel in particular the entire Abrichfraction, by a conventional abrasive, such as corundum, be formed.
  • At least the working surfaces of the grinding wheels, in particular the entire grinding wheels may be formed by a superabrasive, for example cubic boron nitride or diamond.
  • a superabrasive for example cubic boron nitride or diamond.
  • the at least one dressing wheel is non-rotatable in a preferably annular Abrichtusionnam, but with play in Be held in the axial direction.
  • several dressing wheels can be held in a dressing disk holder.
  • the dressing wheel can have at least one axially extending groove on its outer circumference and the dressing disk holder on its inner circumference at least one projection.
  • the Abrichtusionnam on its inner circumference having at least one axially extending groove and the dressing wheel on its outer periphery has the at least one projection.
  • the at least one projection is movably guided in the at least one groove in the axial direction so as to ensure the vertical mobility of the dressing wheel.
  • the axial direction When referring to the axial direction, it means the axial direction of the dressing wheel, which usually runs in the direction of the vertical. Characterized in that the dressing wheel can perform a vertical movement at least over a certain range, as already explained above, an adaptation of the dressing tool to vertical tolerances of the grinding wheel position is possible in a simple manner. In particular, a strain due to a deviation between the working gap center and the position of the dressing wheel is reliably avoided.
  • the axial play of the dressing wheel is limited in particular in the vertical direction such that the dressing wheel can not fall down from the dressing wheel recording.
  • the groove for example, although open down, but closed in the vertical direction upwards.
  • the projection and the groove form a driver pair, via which a transmitted by means of a rotary drive to the dressing wheel receiving rotational movement is also transmitted to the dressing wheel. If dressing elements are held in suitable openings of the dressing wheel, the embodiments of projections and grooves described here can likewise be provided there.
  • the dressing device may comprise a belt drive which rotatably drives the dressing wheel and / or the dressing wheel holder.
  • the dressing wheel or the dressing wheel seat has an outer toothing which engages at least one toothing driven in rotation by the dressing device.
  • the dressing device may comprise at least three toothed wheels which mesh with the outer toothing of the dressing wheel or dressing wheel seat, at least one of which may be driven in rotation and which may be distributed over the circumference of the outer toothing of the dressing wheel or dressing wheel seat.
  • the gearwheel can each be driven directly or, for example, via a drive belt by a drive, for example an electric motor.
  • At least one control and / or regulating device is provided for controlling and / or regulating the dressing process, which is designed to bring the dressing wheel into contact with the at least one working surface to be dressed, during the dressing process parameters the dressing process, in particular the contact pressure and / or the contact pressure and / or the delivery speed between the dressing wheel and the work surface to be dressed and / or the rotational speed of the dressing wheel and / or the at least one grinding wheel to be dressed, to control and / or to regulate and to complete the dressing process the Stop contact between the dressing wheel and the working surface to be dressed.
  • the control and / or regulating device can furthermore be designed to control and / or regulate the dressing process on the basis of predefined setpoint values.
  • At least one measuring device can be provided, wherein measurement data determined by the measuring device abut against an input of the control and / or regulating device and the control and / or regulating device is designed to control parameters of the dressing process as a function of the measured data and / or to regulate.
  • the delivery between the dressing wheel and the work surface to be dressed or the work surfaces to be dressed is force or path controlled.
  • suitable sensors can be used to detect the contact between the dressing wheel and the work surfaces to be dressed.
  • the measuring device may comprise at least one acoustic sensor, for example a structure-borne noise sensor.
  • the measuring device comprises at least one force sensor which measures the contact pressure between the dressing wheel and the grinding wheel or the work surface to be dressed.
  • the force sensor may measure a force exerted by the dressing device upon delivery of the dressing wheel to the grinding wheel. It is also possible that the force exerted by the grinding wheel drives during delivery to the dressing wheel is measured. Again, it can be concluded from the force measurement on the contact between the dressing wheel and work surface.
  • the measuring device may also comprise at least one torque sensor which measures the torque applied by at least one grinding wheel rotary drive or auxiliary drive and / or by the dressing device during rotation of the dressing wheel.
  • the control and / or regulating device may be configured to terminate the dressing process when the torque measured by the at least one torque sensor exceeds a predetermined limit torque.
  • a contact between the dressing wheel and grinding wheel shows up by an increase in the torque of the respective rotary drive. For example, when a delivery of both grinding wheels on the fixed in the vertical direction dressing wheel will usually first touch the lower grinding wheel dressing.
  • the dressing wheel is lifted against the rest of its weight from the rest position with further delivery of the grinding wheels, resulting in a first - small - torque increase, in particular at the lower grinding wheel rotary drive.
  • the torque of both grinding wheel drives will rise suddenly, as both grinding wheels now press against the dressing wheel.
  • the feed rate and the total amount of grinding wheels to be delivered against the dressing wheel, upon reaching which the dressing process is to be completed, can be fixed as a setpoint.
  • a tilting device (Tiltung) may be provided. Before the start of the dressing process, the tilt of the grinding wheels can be set to zero by means of the tilting device, ie the grinding gap is set plane-parallel. Such a setting causes a substantially level dressing of the work surface. However, it is also possible by means of the tilting device to tilt at least one of the grinding wheels and / or the dressing wheel during the dressing process such that the work surface to be dressed receives a convex or concave cone-shaped design in the course of dressing.
  • FIG. 1 a conventional continuous grinding machine is shown in a perspective view.
  • the grinding machine has an upper carrier disk 10 carrying a cylindrical upper grinding wheel 12. Via a drive shaft 14 and a drive, not shown, the upper support plate 10 and with it the upper grinding wheel 12 is rotatably driven about a vertical axis, as illustrated by the arrow 16.
  • the double side grinding machine further comprises a lower carrier disk 18 carrying a lower cylindrical grinding wheel 20 also cylindrical. Via a drive shaft 22 and a drive, again not shown, and the lower support plate 18 is rotatably driven together with the lower grinding wheel 20 about a vertical axis, as illustrated by the arrow 24.
  • the vertical axes of rotation of the grinding wheels 12, 20 are substantially coaxial.
  • the upper grinding wheel 20 has an annular working surface 26 on its upper side.
  • the upper working disk 12 has an annular upper working surface 28 which is identical to the lower working surface 26.
  • the grinding wheels 12, 20 and thus also their working surfaces 26, 28 can, for example made of a superabrasive, such as cubic boron nitride or diamond.
  • the upper and lower grinding wheels 12, 20 define between their working surfaces 26, 28 a working gap 29 for workpieces to be machined.
  • the double-side grinding machine moreover has a workpiece feed disc 30, which can likewise be driven to rotate about a vertical axis by means of a drive, not shown, as illustrated by the arrow 32.
  • the Maschinen Swisszu Switzerlandity 30 has a plurality of workpiece receiving openings 34, in each of which a workpiece 36 for processing in the double side grinding machine is held.
  • the axis of rotation of the Maschinen Swisszu technologicality 30 is arranged substantially parallel and laterally offset from the axes of rotation of the upper and lower grinding wheels 12, 20.
  • the lateral offset is such that workpieces 36 held in the workpiece receiving apertures 36 are guided into the workpiece from a location outside of the work nip 29 during processing of a workpiece feed disk 30 and are guided out therefrom again in the course of the further rotary movement of the workpiece feed disk 30.
  • the grinding wheels 12, 20 delivered to each other, as in FIG. 2 is shown.
  • the limited between the grinding wheels 12, 20 working gap 29 is usually adjusted so that it narrows in the direction of the workpieces 36 through the working gap 29.
  • the width of the working gap 29 is selected, for example, so that the workpieces are easily inserted into the working gap 29, but in the course of their further movement through the working gap 29 material removal then come into contact with the upper and lower working surface 26, 28 and thereby sanding processed.
  • the grinding machining of the workpieces can be completed after a single pass through the working gap 29.
  • FIGS. 3 and 4 a double-side grinding machine according to the invention is shown according to two different embodiments.
  • the double side grinders from the FIGS. 3 and 4 correspond in their basic structure as far as possible of the double side grinding from the Figures 1 and 2 ,
  • the machines also have the FIGS. 3 and 4 one according to the Figures 1 and 2 trained Maschinen Swisszu Swissstage with workpiece holders for the workpieces on (not shown).
  • the double side grinding machines have the FIGS. 3 and 4 in each case a dressing device with a dressing device shown schematically at 38.
  • the dressing device 38 comprises in each case a dressing wheel 40, which is annular in the example shown.
  • the dressing wheel 40 is in the in the FIGS.
  • FIGS. 3 and 4 each shown examples of an abrasive, such as corundum or the like.
  • abrasive surfaces 42 are formed on their two opposite annular disc surfaces.
  • the dressing wheel 40 can be driven in each case to rotate about a vertical axis, as illustrated by the arrows 46.
  • the dressing wheel 40 is held on a support plate 48.
  • the in the example shown oval support plate 48 is held by a cylindrical support 50 each.
  • the carrier 50 is pivotable in each case together with the support plate 48 about the cylinder axis, as in FIG. 3 illustrated by the arrow 54.
  • the support plate 48 and with it the dressing wheel 40 held therein between each one located outside the working gap 29 rest position and one in the FIGS. 3 and 4 shown in the working gap 29 dressing position pivotally.
  • the diameter of the dressing wheel 40 is each slightly larger than the ring width of the annular work surfaces 26, 28 of the upper and lower grinding wheels 12, 20.
  • the axes of rotation of the dressing wheels 40 are each aligned so that they cover the entire ring width.
  • the dressing wheel 40 in the in the FIGS. 3 and 4 shown dressing position in each case with the working surfaces 26, 28 of the grinding wheels 12, 20 are brought into contact.
  • the support plate 48 is fixedly arranged in the vertical direction.
  • the two grinding wheels 12, 20 are delivered to the dressing wheel 40 until their work surfaces 26, 28 come into contact with the upper and lower abrasive surface 42 of the dressing wheel 40.
  • the dressing of the work surfaces begins 26, 28.
  • two measuring devices 56, 58 are provided which, in the example shown, are torque sensors associated with the upper and lower grinding wheel rotary drives.
  • first and second controllers 60, 62 Also includes first and second controllers 60, 62. Measurements taken by the torque sensors 56, 58 are applied to an input of the controllers 60, 62, respectively, as illustrated by arrows 64, 66. As also illustrated by the arrows 68, 70, the vertical adjustment of the upper and lower grinding wheels 12, 20 may be controlled and controlled by the controllers 60, 62 in response to the measurements input by the torque sensors 56, 58. In particular, an increase in the respective torque is detected by the torque sensors 56, 58 in contact between the working surfaces 26, 28 and the dressing wheel 40. Once such a torque increase of both torque sensors 56, 58 is detected, is closed by the control and regulating device to a contact of both working surfaces 26, 28 with the dressing wheel 40 and the beginning of the dressing detected. From this point on, the dressing process can be controlled and regulated in a defined manner, for example, by a corresponding control of the infeed of the grinding wheels 12, 20 on the dressing wheel 40 via the grinding wheel rotary drives.
  • FIG. 4 becomes - unlike the embodiment after FIG. 3 -
  • the dressing wheel 40 of the dressing device 38 successively against the vertically fixed upper and lower grinding wheel 12, 20 for dressing the work surfaces 26 and 28, respectively.
  • a suitable vertical drive is provided which in FIG. 4 is illustrated by the arrow 72.
  • a carriage of the vertical drive in be moved in the vertical direction.
  • the dressing process is largely analogous to the dressing process according to FIG. 3
  • the dressing device 38 furthermore has a measuring device 74, in this case, for example, an acoustic sensor, in particular a structure-borne sound sensor, or a force sensor.
  • the measurement results of this measuring device 74 are applied to a control and regulating device 76, as illustrated by the arrow 78.
  • the controller 76 may control the dresser 38 and in particular the vertical drive as illustrated by the arrow 80.
  • the dressing wheel 40 is in the in FIG. 4 pivoted dressing position shown, so that the dressing wheel 40 is located centrally to the ring width of the lower work surfaces 26, 28.
  • the carriage and with it the carrier plate 48 with the dressing wheel 40 for example, moved against the upper working surface 28 of the upper grinding wheel 12 until a predetermined force setpoint value is measured by the force sensor 74.
  • the dressing wheel 40 is rotated by the drive 44 in rotation.
  • the dressing wheel 40 is in the example after Fig. 4 moved against the lower working surface 26 of the lower grinding wheel 20 in an analogous manner and this work surface 26 is also trained.
  • the work surfaces 26, 28 are brought into a planar shape according to the invention. If desired, however, by suitable tilting of the axes of rotation of the upper and lower grinding wheels 12, 20 and the dressing wheel 40, however, a convex or concave configuration of the working surfaces 26, 28 of the grinding wheels 12, 20 can be produced.
  • FIGS. 5 to 8 Based on FIGS. 5 to 8 to two embodiments of the double-sided grinding after the FIGS. 3 and 4 usable dressing wheels are explained.
  • the annular dressing wheel 40 In the plan view of FIG. 5 and the sectional view of FIG. 6 is the annular dressing wheel 40 can be seen, which is held in the illustrated example in an annular Abrichtusionnam 82.
  • the Abrichtusionnam 82 has over its entire outer circumference an outer toothing 84, which for reasons of simplicity in FIG. 5 only shown in sections.
  • the dressing wheel 40 has at regular intervals distributed over its circumference four extending in the axial direction, downwardly open, but upwardly closed grooves 86.
  • the dress wheel receiving 82 has at its inner circumference also at regular intervals distributed to the grooves 86 corresponding projections 88.
  • the dressing wheel 40 in the dressing wheel receptacle 82 rotationally fixed, but held with axial play.
  • the dressing wheel 40 can not fall down out of the dressing disk receptacle 82.
  • Such an embodiment of the dressing wheel 40 is particularly suitable for the simultaneous dressing of both grinding wheels 12, 20, in which the normal force required for dressing is applied by the grinding wheels abutting on both sides.
  • the dressing wheel 40 is provided with a plurality of dressing elements 90 which each consist of an abrasive and thus form an abrasive surface 92 on its upper and lower sides.
  • the dressing elements 90 are each held with axial play in corresponding, through the dressing wheel 40 extending through openings.
  • analogue groove-projection configurations can be provided, as to the FIGS. 5 and 6 explained.
  • the dressing wheel 40 itself is one over its entire length Scope and in FIG. 7 provided for reasons of simplicity only partially outer teeth 94 shown.
  • suitable adaptation of the dressing elements 90 in shape, size and / or arrangement of the dressing process can be influenced in a flexible manner.
  • this embodiment is particularly suitable for dressing the grinding wheels 12, 20 individually and in succession.
  • FIGS. 9 and 10 Two embodiments of the rotary drive for a dressing wheel according to the invention for in the FIGS. 5 and 6 Example shown will be explained.
  • drives also in the embodiment of the FIGS. 7 and 8 be used.
  • the carrier plate 48 carrying the dressing wheel 40 can be seen.
  • FIG. 9 is driven by the rotary drive 44, a first of three evenly distributed over the circumference of Abrichtusionngiving 82 gears 96, 97.
  • the gears 96, 97 are each with their teeth in engagement with the external teeth 84 of the dressing wheel 82.
  • a rotational movement of the drive 44 is thereby transferred to the gear 96 and from there to the dressing wheel 82. About the interaction of the grooves 86 and projections 88, this rotational movement is also transmitted to the dressing wheel 40.
  • the gears 96, 97 By the gears 96, 97 while a horizontal guidance of Abrichtusionnfact 82 and with it the dressing wheel 40 is achieved.
  • the drive 44 drives a drive belt 98, which in turn causes a rotational movement of the dressing wheel receiving 82, which transmits to the dressing wheel 40.
  • the drive belt 98 distributed over the circumference of Abrichtusionnfact 82 four guide elements 100 for the horizontal guidance of the dressing wheel holder 82 and with it the dressing wheel 40 is provided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Claims (15)

  1. Rectifieuse double face avec deux disques d'aiguisage (12, 20), qui peuvent être entrainés en rotation moyennant au moins un entraînement en rotation de disque d'aiguisage (14, 22) et qui définissent une fente de travail (29) pour des composants (36) à rectifier entre leurs surfaces de travail (26, 28) frontales faisant face l'une à l'autre, en plus avec un moyen d'alimentation en composants (30) qui conduit des composants (36) à rectifier de l'extérieur de la fente de travail (29) à l'intérieur de la fente de travail (29) pour le traitement, et encore en dehors de celle-ci, comportant
    • au moins une meule de dressage (40) avec au moins une surface abrasive (42, 92) pour dresser la surface de travail (26, 28) d'au moins un des disques d'aiguisage (12, 20), et
    • un dispositif de dressage (38), par lequel la meule de dressage (40) est mobile entre une position de repos située en dehors de la fente de travail (29) et une position de dressage située dans la fente de travail (29) et par lequel la meule de dressage (40) peut être entrainée en rotation, la meule de dressage (40) pouvant être mise en contact avec la surface de travail qu'on veut dresser (26, 28) avec sa surface abrasive (42, 92) quand elle est dans la position de dressage,
    • les disques d'aiguisage (12, 20) étant faites en forme annulaire et le diamètre de la meule de dressage (40) étant au moins aussi grand que la largeur d'anneau de la surface de travail qu'on veut dresser (26, 28),
    • caractérisé en ce que la meule de dressage (40) est retenue dans une prise de meule de dressage (82) de manière fixe en rotation, mais avec du jeu dans la direction axiale.
  2. Dispositif selon la revendication 1, caractérisé en ce que la meule de dressage (40) est faite en forme annulaire.
  3. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la meule de dressage (40) comporte au moins partiellement une surface abrasive (42, 92) pour dresser la surface de travail (26, 28) d'un des disques d'aiguisage (12, 20) dans chacune des deux surfaces de meule opposées.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de dressage (38) comporte un mécanisme de pivotement avec lequel la meule de dressage (40) peut être pivotée entre la position de repos et la position de dressage.
  5. Dispositif selon l'une quelconque des revendications 1 to 4, caractérisé en ce que la meule de dressage (40) est mobile dans la direction verticale contre la surface de travail qu'on veut dresser (26, 28) par le dispositif de dressage (38).
  6. Dispositif selon l'une quelconque des revendications 1 to 4, caractérisé en ce que le disque d'aiguisage (12, 20) comportant la surface de travail qu'on veut dresser (26, 28) est mobile contre la meule de dressage (40) qui est située dans la position de dressage.
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la meule de dressage (40) consiste d'un matériau abrasif.
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la meule de dressage (40) est pourvue avec au moins un élément de dressage (90), qui forme au moins partiellement une surface abrasive (92) sur au moins une des surfaces de meule de la meule de dressage (40).
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface abrasive (42, 92) de la meule de dressage (40) est faite d'un matériau abrasif conventionnel, par exemple de corindon.
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que au moins les surfaces de travail (26, 28) des disques d'aiguisage (12, 20) sont formées par un super-abrasif, par exemple nitrure de bore cubique ou diamant.
  11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la prise de meule de dressage (82) est annulaire.
  12. Dispositif selon la revendication 11, caractérisé en ce que la meule de dressage (40) sur sa périphérie externe, ou la prise de meule de dressage (82) sur sa périphérie intérieure, ont au moins une rainure (86) s'étendant dans la direction axiale, et l'autre respectif de meule de dressage (40) ou prise de meule de dressage (82) a au moins une saillie (88) sur sa périphérie externe ou respectivement sur sa périphérie intérieure, l'au moins une saillie étant (88) étant axialement guidée dans l'au moins une rainure (86) de manière axialement mobile.
  13. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que au moins un dispositif de commande et/ou de réglage (60, 62, 76) est pourvu pour la commande et/ou le réglage du procès de dressage, qui est adapté à mettre la meule de dressage (40) en contact avec l'au moins une surface de travail (26, 28) qu'on veut dresser, et/ou à reconnaitre un contact entre la meule de dressage (40) et l'au moins une surface de travail (26, 28) qu'on veut dresser, à commander et/ou régler des paramètres du procès de dressage, en particulier la pression de pressage et/ou la force de pression et/ou la vitesse d'avancement entre la meule de dressage (40) et la surface de travail qu'on veut dresser (26, 28) et/ou la vitesse de rotation de la meule de dressage et/ou du disque d'aiguisage (12, 20) comportant la surface de travail (26, 28) qu'on veut dresser, et à finir le contact entre la meule de dressage (40) et la surface de travail (26, 28) qu'on veut dresser afin de finir le procès de dressage.
  14. Dispositif selon la revendication 13, caractérisé en ce que au moins un dispositif de mesure (56, 58, 74) est pourvu, des données de mesure détectées par le dispositif de mesure (56, 58, 74) sont appliquées à une entrée du dispositif de commande et/ou réglage (60, 62, 76) et le dispositif de commande et/ou réglage (60, 62, 76) est adapté à commander et/ou régler des paramètres du procédé de dressage selon les données de mesure.
  15. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que un dispositif de basculement est pourvu qui est adapté à basculer au moins un des disques d'aiguisage (12, 20) et/ou la meule de dressage (40) pendant le procès de dressage, de sorte que la surface de travail (26, 28) qu'on veut dresser reçoit une forme conique convexe ou concave pendant le procès de dressage.
EP20110003552 2010-05-04 2011-05-02 Meuleuse à double face Not-in-force EP2384853B1 (fr)

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DE201010019203 DE102010019203A1 (de) 2010-05-04 2010-05-04 Doppelseitenschleifmaschine

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EP2384853B1 true EP2384853B1 (fr) 2015-02-25

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CN103182681A (zh) * 2011-12-28 2013-07-03 青岛嘉星晶电科技股份有限公司 一种双面研磨机研磨盘修整装置及其修整方法
CN103522166B (zh) * 2013-07-26 2016-06-22 浙江工业大学 一种基于上盘偏心加压的圆柱形零件外圆加工方法
CN103522168A (zh) * 2013-07-26 2014-01-22 浙江工业大学 基于保持架偏心转摆式双平面研磨的圆柱形零件外圆加工装置
CN107326954B (zh) * 2017-08-21 2023-07-28 江滨 一种淤泥清理装置
CN110744378A (zh) * 2019-11-14 2020-02-04 江苏万源新材料股份有限公司 一种裤三通自动成型设备
CN111230630B (zh) * 2020-03-14 2022-04-22 李广超 一种扁钢双面打磨器
DE102020119173A1 (de) 2020-07-21 2022-01-27 Supfina Grieshaber Gmbh & Co. Kg System und Verfahren zum Abrichten einer Wirkfläche einer Schleifscheibe
CN111941249B (zh) * 2020-07-31 2022-03-18 东莞市尚弘博实业有限公司 一种数控双工位抛光机
CN113084617B (zh) * 2021-03-23 2024-02-20 纪红 一种半导体元件智能制造用自动化加工设备
EP4215313A1 (fr) * 2022-01-20 2023-07-26 Supfina Grieshaber GmbH & Co. KG Machine à rectifier double face et procédé de rectification d'un disque de frein

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JPS60103654U (ja) * 1983-12-21 1985-07-15 光洋機械工業株式会社 両頭平面研削盤におけるといし車の形直し・目立て装置
JPS6310916Y2 (fr) * 1985-06-27 1988-03-31
JP2873063B2 (ja) * 1990-08-31 1999-03-24 株式会社日平トヤマ 両頭研削盤の砥石修正目立て装置及び修正目立て方法
JP2000127042A (ja) * 1998-10-19 2000-05-09 Nippei Toyama Corp 両頭平面研削盤の砥石目立て装置
JP4457073B2 (ja) * 2003-10-01 2010-04-28 大昌精機株式会社 竪型両頭平面研削盤

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DE102010019203A1 (de) 2011-11-10

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