EP1493533B1 - Machine à meuler sans centre - Google Patents

Machine à meuler sans centre Download PDF

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Publication number
EP1493533B1
EP1493533B1 EP03405501A EP03405501A EP1493533B1 EP 1493533 B1 EP1493533 B1 EP 1493533B1 EP 03405501 A EP03405501 A EP 03405501A EP 03405501 A EP03405501 A EP 03405501A EP 1493533 B1 EP1493533 B1 EP 1493533B1
Authority
EP
European Patent Office
Prior art keywords
carriage
wheel
dressing
grinding machine
machine according
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.)
Expired - Lifetime
Application number
EP03405501A
Other languages
German (de)
English (en)
Other versions
EP1493533A1 (fr
Inventor
Rolf Deller
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.)
Agathon AG Maschinenfabrik
Original Assignee
Agathon AG Maschinenfabrik
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agathon AG Maschinenfabrik filed Critical Agathon AG Maschinenfabrik
Priority to AT03405501T priority Critical patent/ATE345898T1/de
Priority to EP03405501A priority patent/EP1493533B1/fr
Priority to DE50305751T priority patent/DE50305751D1/de
Priority to US10/882,351 priority patent/US6969298B2/en
Publication of EP1493533A1 publication Critical patent/EP1493533A1/fr
Application granted granted Critical
Publication of EP1493533B1 publication Critical patent/EP1493533B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
    • B24B5/30—Regulating-wheels; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
    • 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
    • B24B53/04—Devices or means for dressing or conditioning abrasive surfaces of cylindrical or conical surfaces on abrasive tools or wheels

Definitions

  • the present invention relates to a grinding machine according to the preamble of claim 1.
  • a grinding machine is known from US-A-4 538 587.
  • Centerless cylindrical grinding machines are known in which the dressing device is arranged on a CNC-controlled cross slide.
  • One axis of this cross slide is aligned at right angles to the axis of rotation of the wheel to be dressed, while the other axis of this cross slide is aligned parallel to the axis of rotation of the wheel to be dressed.
  • the dressing device is brought by means of this cross slide in the region of the slice to be dressed and employed, during dressing, the dressing device along the other axis, which is aligned parallel to the axis of rotation of the slice to be dressed, moved. With such arrangements, discs to be dressed can be contoured or profiled.
  • the guide mechanism does not have a degree of precision that corresponds to the required precision of the parts to be produced.
  • these precision defects affect the dimensional accuracy of the workpieces to be produced.
  • the document US-A-4 538 587 shows a device with which a pure copy dressing can be carried out.
  • the object of the present invention is to design the dressing devices of a grinding machine so that the corresponding wheels can be dressed with high precision, so that the workpieces to be produced have the required precision.
  • the dressing device By using such a guideway along which the dressing device is moved, the dressing device obtains a reference position with respect to the slice to be dressed which is very precise, possibly eliminating the excessive inaccuracies of the CNC axis control control and drive mechanism along the first axis can.
  • the device according to the invention can also be used, in particular, in centreless cylindrical grinding machines, each equipped with a grinding wheel arranged on a grinding wheel slide and with a regulating wheel arranged on a regulating wheel slide, wherein the grinding wheel and the regulating wheel are arranged opposite each other and the axes of rotation of the grinding wheel and the regulating wheel are mutually aligned are and the device for holding a to be processed Workpiece is designed as arranged between the two discs workpiece support device.
  • the carriage on which the respective dressing device is arranged mounted on the respective disc carriage.
  • a simple structure is obtained, especially in the case of Regulating disc carriage, if this is mounted on a relative to the machine table about a vertical axis pivotable swivel plate.
  • the dressing device is mounted on a sliding carriage which is displaceable along guides aligned at right angles to the first axis. This can be obtained in an optimal manner an independence of the dressing device of the guides parallel to the axis of rotation of the disc to be dressed.
  • a further advantageous embodiment of the invention is that the respective guide track is formed as a guide rail, and that the sliding carriage is equipped with a probe element which runs along the guide rail and is in contact therewith.
  • the sliding carriage and the dressing device and thus the probe element can be pressed by elastic means against the guide bar. This ensures that the probe element is always in contact with the guide rail.
  • a further advantageous embodiment of the invention is that the dressing device is mounted on the carriage, which is arranged on the slide, which is mounted on the disc carriage, that the guide rail is mounted on the arranged on the machine table base of the disc carriage and that for dressing the respective disc of the corresponding disc carriage is movable and against the corresponding dressing device can be adjusted, and the sliding carriage, held by the probe element and the guide bar, slides along the guides on the disc carriage.
  • a CNC-controlled axis can be saved, which simplifies the structure of the device.
  • the dressing device can also be placed on the slide, which in turn is arranged on the carriage, said carriage is mounted on an additional carriage, which along the arranged on the disc table guides perpendicular to the axis of rotation of the respective Disc can be adjusted to and off this, and that the guide rail is attached to the additional carriage.
  • the additional carriage can be moved and the dressing device can be adjusted against the corresponding disk.
  • the disc carriage must therefore not be moved when dressing.
  • the respective carriages, the additional carriages and the disc carriages are movable via CNC axis controls.
  • the machine table 1 of a non-pointed cylindrical grinding machine can be seen, on which on one side the grinding wheel 2 and on the other side the regulating wheel 3 are arranged.
  • the grinding wheel 2 is rotatably mounted in a headstock 4 about the rotation axis 5.
  • This headstock 4 is mounted on a grinding wheel carriage 6.
  • This grinding wheel slide 6 is on a pad 7 attached, which is attached to the machine table 1.
  • the shift takes place in a known manner via a CNC control, not shown, the drive 9 is visible on Fig. 1.
  • the grinding wheel carriage 6 is placed directly on the machine table 1 without pad 7.
  • the regulating wheel 3 is in turn rotatably mounted in a further headstock 10 about the axis of rotation 11.
  • This headstock 10 of the regulating wheel 3 is mounted on a regulating wheel slide 12.
  • This regulating wheel slide 12 is mounted on a pivot plate 13 which is pivotable relative to the machine table 1 in a known manner about a vertical axis, not shown, in order to adjust an angular position of the regulating wheel 3 with respect to the grinding wheel 2, if necessary.
  • Linear guides 14 (FIG. 2) are also mounted between this pivot plate 13 and the regulating wheel slide 12, along which the regulating wheel slide 12 is displaceable perpendicular to the axis of rotation 11 of the regulating wheel 2. This shift is carried out in a known manner via a CNC control, the drive 15 in Fig. 1 can be seen.
  • a workpiece support device 16 is used between the grinding wheel 2 and the regulating wheel 3, which are arranged opposite one another.
  • the workpieces to be machined are placed in a known manner, for grinding the grinding wheel slide 6 with the grinding wheel 2 and the regulating wheel slide 12 with the regulating wheel 3 are moved against the workpiece support device 16.
  • a dressing device 17 is arranged in each case, which is basically constructed basically the same for the dressing of the grinding wheel 2 and the dressing of the regulating wheel 3, which is why for the same thing Components for both dressers 17 in the following description, the same reference numerals are used.
  • the dressing device 17 is arranged on a carriage 18 which is displaceable along the first axis 19, which is aligned parallel to the respective axis of rotation 5, 11.
  • a CNC control the drive 20 in Fig. 1 is visible.
  • the carriage 18 is mounted on a sliding carriage 21, which is displaceable along guides 22 (FIG. 2), which are aligned at right angles to the first axis 19.
  • This slide 21 is pulled by elastic means 23, which are formed as tension springs, against a fixedly connected to the pad 7, 13 essay 24.
  • elastic means 23 which are formed as tension springs, against a fixedly connected to the pad 7, 13 essay 24.
  • On the top 24 a designed as a guide rail 25 guideway is attached.
  • a probe element 26 is mounted, which is pressed by the tension springs 23 via the sliding carriage 21 and the carriage 18 against the guide rail 25.
  • the dressing process is described in more detail below with reference to the schematic representation according to FIG. 2, wherein this dressing process is applicable both to the dressing of the grinding wheel 2 and to the dressing of the regulating wheel 3.
  • the dressing device 17 can be seen, which is equipped with a dressing tool 27.
  • This dressing device 17 is arranged on the carriage 18, which along the first axis, represented by the double arrow 19 along the guides 28 is movable.
  • the carriage 18 is in turn placed on the sliding carriage 21.
  • This slide 21 is along the guides 22 which are arranged on the disc slide 6 and 12, freely movable, represented by the double arrow 29.
  • This slide 21 is pulled by the springs 23 against the top 24, in this case, the probe element 26 is constantly supported on the guide bar 25 from.
  • the disc carriage 6 and 12 For dressing the corresponding disc 2 or 3, which are arranged on the corresponding disc carriage 6 and 12, the disc carriage 6 and 12, respectively, is moved against the dressing tool 27, in the direction represented by the double arrow 30. During this procedure the disc carriage 6, 12 shifts this disc carriage 6, 12 under the slide 21, which is held by the probe element 26 which is supported on the guide bar 25. Upon reaching the correct position of the disc 2, 3 with respect to the dressing tool 27, which is approached via the CNC control, the dressing process begins. For this purpose, the carriage 18, driven by the CNC control, moved along the guides 28. During the process, the feeler element 26 shifts accordingly on the guide rail 25.
  • the position of the dressing tool 27 in this direction is thus exclusively determined by the guide rail 25 , so you get a very precise reference position. Any inaccuracies of the guiding and driving mechanism between the sliding carriage 21 and the carriage 18, which could cause a movement of the dressing tool 27 during dressing against the disc 2, 3 to be dressed or away, is fully compensated.
  • the disc carriage 6 or 12 controlled by the CNC control can be moved in the direction of the double arrow 30 when the disc to be dressed 2 or 3 to be profiled or provided with a contour. This additional procedure takes place with reference to the reference position, the desired accuracy is maintained.
  • FIG. 3 shows the control disk-side structure on the machine table 1, according to FIG. 1 seen from the left.
  • the headstock 10 of the regulating wheel 3 can be seen, which is arranged on the regulating wheel slide 12.
  • the regulating wheel 3 is driven by the drive 31 precisely controlled by speed. Also visible is the workpiece support device 16, on which the workpiece to be machined is placed.
  • the regulating wheel slide 12 is arranged on the pivot plate 13 and with respect to this at right angles to the axis of rotation 11 of the regulating wheel 3 via the drive 15 slidably.
  • the dressing device 17 On the regulating wheel slide 12, the dressing device 17 is arranged, which is placed on the carriage 18, which in turn is arranged on the sliding carriage 21. The movement of the carriage 18 along the guides 28 on the sliding carriage 21 via the drive 20. On the dressing device 17, the dressing tool 27 is mounted.
  • the attachment 24, on which the guide rail 25 is fixed, is held on the pivot plate 13. About the springs 23 of the sliding carriage 21 and consequently the carriage 18 is pulled with the probe element 26 against the guide rail 25.
  • the dressing of the regulating wheel 3 is carried out according to the method described above.
  • a further embodiment of a dressing arrangement is shown, which is also constructed the same for dressing both grinding wheels and regulating wheels.
  • the same reference numerals are used for components that are identical to the components of the first embodiment.
  • the dressing device 17 with the dressing tool 27 is arranged on the sliding carriage 21.
  • This sliding carriage 21 is freely displaceable along the guides 22 in the direction of the double arrow 29.
  • the sliding carriage 21 is mounted on a carriage 18, on which the guides 28 are mounted.
  • This carriage 18 is displaceable along the first axis, represented by the double arrow 19, and consequently along the guides 28. To shift in turn is used in a known manner, not shown CNC control.
  • These guides 28 are arranged on an additional carriage 31 which is placed on the disc carriage 6 and 12 respectively.
  • This additional carriage 31 can be moved in the direction of the double arrow 33 along guides 32 mounted on the disc carriage 6 or 12, parallel to the direction of movement of the disc carriage 6 and 12, represented by the double arrow 30. Again, a shift is used in a known manner for the displacement not shown CNC control.
  • the guide rail 25 is attached on the additional carriage 31, the guide rail 25 is attached.
  • the probe element 26 is mounted on sliding carriage 21, the probe element 26 is mounted. The slide 21 and the probe element 26 and thus the dressing device 17 is pressed by a tension spring 23 against the guide bar 25.
  • a dressing device 17 constructed in accordance with this further exemplary embodiment can be inserted into a grinding machine both on the grinding wheel side and on the regulating wheel side, as in the first exemplary embodiment.
  • the additional carriage 31 is controlled with the dressing device 17 against the disc 2 and 3 moved towards.
  • the carriage 18, driven by the CNC control moved in the direction of the first axis 19.
  • the probe element 26 shifts accordingly on the guide rail 25. Since the sliding carriage 21 is also completely free with respect to the direction represented by the double arrow 29, a very precise reference position is achieved.
  • the additional carriage 31, controlled by the CNC control can be moved in the direction of the double arrow 33 when the disc to be dressed 2 or 3 to be profiled or provided with a contour. This additional procedure takes place with reference to the reference position, the desired accuracy is maintained.
  • the grinding wheel or the regulating wheel can be dressed very accurately, since any errors of the guides when moving the dressing device parallel to the axis of rotation of the corresponding disc can be completely eliminated by the reference position of the dressing.

Landscapes

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

Claims (12)

  1. Machine à rectifier, en particulier machine à rectifier cylindrique sans centre avec une table de machine (1), avec au moins un disque (2, 3) disposé sur au moins un chariot de porte-disque (6, 12) avec un équipement pour le maintien d'une pièce à usiner, le chariot porte-disque (6, 12) effectuant un mouvement de translation commandé respectivement par rapport à la fixation de la pièce à usiner et avec au moins un dispositif de dressage du disque(2, 3), en vue du dressage, le dispositif de dressage respectif (17) et le disque correspondant sont réglables par commande de manière relative entre eux, le dispositif de dressage (17) étant disposé sur un chariot (18) qui est mobile le long d'un premier axe (19) qui est orienté essentiellement parallèlement à l'axe de rotation (5, 11) du disque correspondant (2, 3), caractérisée en ce que pendant le déplacement du dispositif de dressage (17) le long du premier axe (19), une voie de guidage fixe (25) définit une position de référence du dispositif de dressage (17) par rapport à la meule à dresser (2, 3) en direction rectangulaire par rapport au premier axe (19), position de référence depuis laquelle le dispositif de dressage (17) et le disque à dresser (2, 3) sont déplaçables par commande l'un vers l'autre.
  2. machine à rectifier selon la revendication 1, caractérisée en ce qu'elle est munie d'un disque de meule (2) disposé sur un chariot porte-meule (6) et d'un disque de réglage disposé sur un chariot porte-disque de réglage (12), le disque de meule (2) et le disque de réglage (3) étant disposés de manière opposée mutuellement et les axes de rotation (5, 11) du disque de meule (2) et du disque de réglage (3) étant disposés en opposition mutuelle et l'équipement pour la fixation d'une pièce à usiner étant réalisé comme un dispositif d'application de pièce (16) à usiner, disposé entre les deux disques.
  3. Machine à rectifier selon la revendication 1 ou 2, caractérisée en ce que le chariot (18) sur lequel est disposé le dispositif respectivement de dressage (17)est placé sur le chariot porte-disque (6, 12) respectif.
  4. Machine à rectifier selon la revendication 2 ou 3, caractérisée en ce que le chariot porte-disques de réglage (12) est placé sur une plaque pivotante (13) autour d'un axe vertical par rapport à la table de machine (1).
  5. Machine à rectifier selon l'une des revendications 1 à 4, caractérisée en ce que le dispositif de dressage (17) est placé sur un chariot coulissant (21) qui est mobile le long de guides (14) orientés en angle droit par rapport au premier axe (19).
  6. Machine à rectifier selon la revendication 5, caractérisée en ce que la glissière respective (25) est constituée comme une réglette de guidage et en ce que le chariot coulissant (21) est muni d'un élément palpeur (26) qui court le long de la réglette de guidage (25) et qui est en contact avec celle-ci.
  7. Machine à rectifier selon la revendication 6, caractérisée en ce que le chariot coulissant (21) avec le dispositif de dressage (17) et ainsi l'élément palpeur (26) peuvent être pressés contre la réglette de guidage (25) par des moyens élastiques.
  8. Machine à rectifier selon l'une des revendications 5 à 7, caractérisée en ce que le dispositif de dressage (17) est placé sur le chariot (18) qui est disposé sur le chariot coulissant (21) lequel est placé sur le chariot porte-disque (6, 12) et en ce que la réglette de guidage (25) est fixée sur l'infrastructure (7, 13) disposée sur la table de machine (1) du chariot porte-disque (6, 12).
  9. Machine à rectifier selon l'une des revendications 6 à 8, caractérisée en ce que pour le dressage du disque respectif (2, 3), le chariot porte-disque correspondant (6, 12) est mobile et réglable en direction du dispositif de dressage correspondant (17) et le chariot coulissant (21) maintenu par l'élément palpeur (26) et la réglette de guidage (25) est déplacé le long des guides (28) par rapport au chariot porte-disque (6, 12).
  10. Machine à rectifier selon l'une des revendications 5 à 7, caractérisée en ce que le dispositif de dressage (17) est placé sur le chariot coulissant (21) qui est disposé pour sa part sur le chariot (18), ce chariot (18) étant placé sur un chariot supplémentaire (31), qui peut être approché ou éloigné le long de guides (32) disposés sur la table à disque (6, 12) verticalement à l'axe de rotation (5, 11) du disque respectif (2, 3) et en ce que la réglette de guidage (25) est fixée sur le chariot supplémentaire (31).
  11. Machine à rectifier selon la revendication 10, caractérisée en ce que pour le dressage du disque respectif (2, 3), le chariot supplémentaire (31) est mobile et le dispositif de dressage (17) peut être approché du disque correspondant (2, 3).
  12. Machine à rectifier selon l'une des revendications 1 à 11, caractérisée en ce que les chariots respectifs (18), les chariots supplémentaires (31) et les chariots porte-disques (6, 12) sont déplaçables par des commandes d'axes CNC.
EP03405501A 2003-07-04 2003-07-04 Machine à meuler sans centre Expired - Lifetime EP1493533B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT03405501T ATE345898T1 (de) 2003-07-04 2003-07-04 Spitzenlose rundschleifmaschine
EP03405501A EP1493533B1 (fr) 2003-07-04 2003-07-04 Machine à meuler sans centre
DE50305751T DE50305751D1 (de) 2003-07-04 2003-07-04 Spitzenlose Rundschleifmaschine
US10/882,351 US6969298B2 (en) 2003-07-04 2004-07-02 Grinding machine, in particular centerless cylindrical grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03405501A EP1493533B1 (fr) 2003-07-04 2003-07-04 Machine à meuler sans centre

Publications (2)

Publication Number Publication Date
EP1493533A1 EP1493533A1 (fr) 2005-01-05
EP1493533B1 true EP1493533B1 (fr) 2006-11-22

Family

ID=33427289

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03405501A Expired - Lifetime EP1493533B1 (fr) 2003-07-04 2003-07-04 Machine à meuler sans centre

Country Status (4)

Country Link
US (1) US6969298B2 (fr)
EP (1) EP1493533B1 (fr)
AT (1) ATE345898T1 (fr)
DE (1) DE50305751D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005045023B3 (de) * 2005-09-12 2007-01-04 Studer Mikrosa Gmbh Regelscheibengruppe für eine spitzenlose Schleifmaschine
US8133527B2 (en) 2006-06-16 2012-03-13 Kraft Foods Global Brands Llc Production of stabilized whole grain wheat flour and products thereof
CA2717331C (fr) * 2009-06-22 2017-12-19 Dan Schellenberg Rectification sans pointe
DE102011117819B4 (de) * 2011-11-02 2017-11-02 Schaudt Mikrosa Gmbh Spitzenlose Rundschleifmaschine
CN104816238B (zh) * 2015-03-29 2017-03-15 东莞市联洲知识产权运营管理有限公司 一种无心磨床承载底座
CN119057510A (zh) * 2024-08-29 2024-12-03 阿戈通贸易(上海)有限公司 一种激光设备的校准装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2153201A1 (de) * 1970-10-27 1972-05-10 VEB Werkzeugmaschinenkombinat "7. Oktober" Berlin; χ 1120 Berlin Einrichtung zum Profilieren von Schleifkörpern, insbesondere zur Erzeugung schwachgekrümmter Mantellinien
DD99324A1 (fr) * 1972-06-08 1973-08-13
SE436102B (sv) * 1983-02-14 1984-11-12 Lidkoepings Mekaniska Verkstad Anordning for skerpning av en reglerskiva i en centerless- slipmaskin
JPS59227360A (ja) * 1983-06-08 1984-12-20 Toyoda Mach Works Ltd センタレス研削盤における調整車修正装置
JPH06246634A (ja) * 1993-02-26 1994-09-06 Toshin Technical:Kk 心なし研削盤
US5766057A (en) * 1995-04-19 1998-06-16 Cincinnati Milacron Inc. Centerless grinding machine
US5643051A (en) * 1995-06-16 1997-07-01 The University Of Connecticut Centerless grinding process and apparatus therefor
DE19940685A1 (de) * 1999-08-27 2001-03-01 Mikrosa Werkzeugmaschinen Gmbh Verfahren zum spitzenlosen Schräg-Einstechschleifen und Schleifmaschine

Also Published As

Publication number Publication date
US6969298B2 (en) 2005-11-29
DE50305751D1 (de) 2007-01-04
US20050003739A1 (en) 2005-01-06
ATE345898T1 (de) 2006-12-15
EP1493533A1 (fr) 2005-01-05

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