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EP2353780B1 - Dispositif de finition de rotation et procédé d'installation ou de fonctionnement d'un dispositif de finition de rotation - Google Patents

Dispositif de finition de rotation et procédé d'installation ou de fonctionnement d'un dispositif de finition de rotation Download PDF

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Publication number
EP2353780B1
EP2353780B1 EP10001258A EP10001258A EP2353780B1 EP 2353780 B1 EP2353780 B1 EP 2353780B1 EP 10001258 A EP10001258 A EP 10001258A EP 10001258 A EP10001258 A EP 10001258A EP 2353780 B1 EP2353780 B1 EP 2353780B1
Authority
EP
European Patent Office
Prior art keywords
recited
tool
parameter includes
work piece
workpiece
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
EP10001258A
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German (de)
English (en)
Other versions
EP2353780A1 (fr
Inventor
Oliver Hildebrandt
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.)
Supfina Grieshaber GmbH and Co KG
Original Assignee
Supfina Grieshaber GmbH and Co KG
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 Supfina Grieshaber GmbH and Co KG filed Critical Supfina Grieshaber GmbH and Co KG
Priority to EP10001258A priority Critical patent/EP2353780B1/fr
Priority to AT10001258T priority patent/ATE552069T1/de
Publication of EP2353780A1 publication Critical patent/EP2353780A1/fr
Application granted granted Critical
Publication of EP2353780B1 publication Critical patent/EP2353780B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/16—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged
    • 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
    • B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means

Definitions

  • the invention relates to a Rotationsfinishvoriques, with a finishing tool in the form of a cup wheel, which is rotatably driven by a tool drive means about a tool axis, wherein the position of the tool axis is adjustable by means of an adjusting relative to a workpiece to be machined.
  • Rotational finishing devices of the aforementioned type are used to machine rotating workpiece surfaces, in particular rolling bearing surfaces, by bringing an effective surface of a cup wheel into engagement with the workpiece surface, wherein the cup wheel is driven to rotate about a workpiece axis.
  • rotary finishing allows high precision machining of workpiece surfaces. In practice, however, it takes a lot of time to equip rotary finishing devices for machining certain workpieces and to maintain a consistent quality of surface machining over a batch of multiple workpieces. In particular, to set up the rotation finishing device, a high degree of experience on the part of the operator is required. In addition, setting up a rotary finishing device to accommodate a new workpiece lot is often accompanied by the destruction of multiple sample workpieces.
  • EP 1 878 534 A1 is a device for aligning a tool spindle and attached to the tool spindle cup wheel known, with which the tool spindle and the cup wheel can be pivoted about an inclination angle and a guide angle.
  • the present invention has the object to provide a Rotationsfinishvorraum, which allows short makeready times and easy control of the manufacturing quality.
  • the invention provides to detect an actual state of the workpiece surface and to determine on the basis of this actual state an actual value of at least one parameter which relates to a curvature property of the course of a machining track. This makes it possible, without the experience of a machine operator would need to be able to determine a deviation from a desired state and to create from this specifications for a change in the position of the tool axis.
  • the detection device is an optical system (for example a camera) which detects at least a section of the workpiece surface to be machined. It can be provided that the position and / or the position of the detection device is variable.
  • the detection device is designed in the form of an endoscope, so that as much space for the workpiece and the finishing tool remains as possible.
  • the position of the tool axis is adjustable relative to the workpiece to be machined by means of an adjustment.
  • a control device is provided, by means of which the adjusting device can be controlled as a function of, in particular, a comparison of the at least one actual value and at least one desired value. This allows an automated adjustment of the position of the tool axis relative to the workpiece to be machined, which is particularly advantageous in terms of time-consuming setup operations.
  • the at least one parameter comprises the relative position of a machining track and an associated center of curvature.
  • a center of curvature is understood to mean a reference point, from the viewpoint of which a machining track has a concave curvature. This makes it possible to determine whether the tool axis is arranged offset with respect to a centered desired position, in which direction there is an offset and in which direction a correction of the position of the tool axis should take place.
  • At least one first parameter comprises the relative position of a first processing track and an associated first center of curvature
  • at least one second parameter comprises the relative position of a second processing track and an associated second center of curvature, wherein the first relative position and the second relative position opposite to each other are.
  • the at least one parameter comprises an angle of a machining track relative to a reference plane or reference direction of the workpiece, in particular to a plane of rotation of the workpiece, a plane parallel to the plane of rotation or a direction perpendicular to the plane of rotation. This allows, for example, an undesirable offset the tool axis to determine in a direction parallel to the axis of rotation of the workpiece direction.
  • the at least one parameter comprises the existence of an angle between two intersecting machining tracks. If such an angle can not be determined, it can be concluded that intersecting machining tracks are not present and thus a change in the position of the workpiece axis is required.
  • the at least one parameter comprises the size of an angle between two intersecting machining tracks. This makes it possible in particular to check whether the ratio of the rotational speed of the finishing tool and the rotational speed of the workpiece to be machined is correct or whether a change of at least one rotational speed is required. After carrying out such a change, it can be checked whether the size of a processing line crossing between two corresponds to a predefinable setpoint value.
  • a change in a rotational speed of the finishing tool and / or a rotational speed of the workpiece to be machined is effected by means of a control unit which actuates a tool drive device and / or a workpiece drive device.
  • This control unit can also be formed by a control device described below.
  • a memory device for storing at least one desired value of the at least a parameter is provided.
  • the memory device is integrated into the evaluation device.
  • the position of the tool axis relative to the workpiece to be machined is adjusted by changing the absolute position of the tool axis.
  • the absolute position of the workpiece is changed.
  • the drive device may additionally be designed to control a tool drive device and / or a workpiece drive device in order to specify a rotational speed of the finishing tool and / or a rotational speed of the workpiece to be machined.
  • the invention further relates to a method for establishing or operating a Rotationsfinishvoriques, with a finishing tool in the form of a cup wheel, which is rotatably driven by a tool drive means about the tool axis, wherein the position of the tool axis is adjustable by means of an adjustment.
  • Another object of the present invention is to provide a method which enables short setup times and easy control of the manufacturing quality of a rotary finishing device.
  • the invention further relates to the use of a rotary finishing device described above for use in a method as described above.
  • FIG. 1 One embodiment of a rotation finishing device is shown in FIG. 1 generally designated by the reference numeral 10.
  • the rotary finishing apparatus 10 includes a machine bed 12 for mounting a workpiece driver 14 and a tool driver 16.
  • the workpiece drive device 14 comprises a workpiece carrier 18 for supporting a workpiece 20, which can be driven to rotate about an axis of rotation 22 by means of the workpiece drive device 14.
  • the workpiece 20 is in particular annular and has a workpiece surface 24, which in particular points radially inward and is curved in itself.
  • the workpiece 20 is in particular a bearing ring of a roller bearing.
  • the workpiece 20 is rotationally driven about the axis 22 and rotates within a plane of rotation 26.
  • a total of three adjustment devices 28, 30 and 32 (see also FIG. 3 ) intended.
  • the adjusting devices 28, 30 and 32 each have a pressure roller 34, 36, 38, which are adjustable relative to the workpiece axis 22 in radial directions in position.
  • the adjustment means 28, 30, and 32 corresponding adjustment device drives 40, 42 and 44, respectively.
  • the tool drive device 16 serves to drive a finishing tool 46, which can be driven to rotate about a tool axis 48.
  • the tool drive device 16 comprises a carriage 50, which can be moved by means of an adjusting device 51 along a first travel axis 52 and is mounted on the machine bed 12 by means of a first guide device 55.
  • the carriage 50 is used to arrange a drive motor 53, by means of which a drive wheel 54 is driven in rotation.
  • the drive wheel 54 serves to drive a drive belt 56, which in turn serves to drive a driven gear 58.
  • the output gear 58 is rotatably driven about the tool axis 48.
  • the tool drive device 16 can be moved along a second travel axis 60.
  • an adjusting device 62 and a second guide device 64 are provided.
  • the first travel axis 52 and the second travel axis 60 are in particular perpendicular to each other.
  • the first travel axis 52 is, for example, an X-axis
  • the second travel axis is a Z-axis of the rotation-finishing device 10.
  • the rotary finishing device preferably further comprises a pressing device, not shown (for reasons of clarity), which has pressure rollers which press on the upper edge 66 of the workpiece 20 in the drawing and thus the workpiece 20 against the workpiece carrier 18.
  • a pressing device is known per se and becomes therefore not explained in detail.
  • a magnetic workpiece carrier 18 may be provided, which is in particular designed as a magnetic disk.
  • the tool 46 is designed in the form of a cup wheel 68, which has an annular active surface 70 for finishing machining of the workpiece surface 24.
  • the cup wheel 68 is rotatably connected to a spindle 72 which is mounted in a spindle housing 74.
  • the spindle 72 is rotatably driven by means of the output gear 58 of the drive belt 56.
  • the rotation finishing device 10 further comprises a detection device 76, which is designed as an optical system and in particular in the form of a camera or an endoscope, and which serves to optically detect the actual state of the workpiece surface 24 to be processed.
  • the optical data obtained thereby can be evaluated by means of an evaluation unit 78.
  • the detection device may alternatively or additionally to a camera or an endoscope also Scattering light measuring system include.
  • a camera or an endoscope also Scattering light measuring system include.
  • the workpiece surface 24 is illuminated in sections and the backscattered from the workpiece surface 24 radiation is directed by a measuring optics on a diode cell.
  • the evaluation unit 78 comprises a memory device 80 in which target values are stored. These are used for comparison with actual values obtained from the actual states of parameters explained below.
  • the evaluation unit 78 is coupled to a control device 82, which preferably serves to control at least one of the adjustment devices 28, 30, 32, 51 and 62, in particular of all adjustment devices 28, 30, 32, 51 and 62. Additionally or alternatively, the drive device 82 is used to control the workpiece drive device 14 and / or the tool drive device 16 for setting a rotational speed of the finishing tool 46 and / or the workpiece 20.
  • the detection device 76 has an optical sensor 84 whose position relative to the workpiece surface 24 is adjustable in mutually perpendicular adjustment directions 86 and 88. This makes it possible to optically detect a respective section 90 of the workpiece surface 24.
  • the aim is for the active surface 70 to be in contact with the workpiece surface 24 that is as full-surface contact as possible. This is the case when the tool axis 48 and a radial direction 92 relative to the workpiece surface 24 (cf. FIG. 7 ) agree with each other.
  • the radial direction 92 corresponds to the axis of a sphere, the workpiece surface 24 being part of the surface of this sphere.
  • FIG. 7 a case is shown in which the radial direction 92 and the tool axis 48 are offset relative to each other.
  • the active surface 70 is only in operative engagement with the workpiece surface 24 with one partial section.
  • the tool axis 48 is arranged to the right of the radial direction 92.
  • first processing tracks 94 are generated. These machining tracks are curved, in the direction of a center of curvature 96, which is arranged to the left of the machining tracks 94 relative to the machining tracks 94.
  • FIG. 8 illustrated micrograph is also referred to as "beam ground”.
  • FIG. 9 illustrated grinding pattern generated in which second processing tracks 98 are curved toward a second center of curvature 100.
  • the second center of curvature 100 is arranged to the right of the processing track 98 relative to the second processing track 98.
  • Detector 76 now allows the FIGS. 8 and 9 be able to detect corresponding actual states of the workpiece surface 24.
  • the evaluation unit 78 the relative position between a processing track 94, 98 and a respective associated center of curvature 96, 100 are determined. This makes it possible to change the relative position between the tool axis 48 and the radial direction 92 of the workpiece 20 so that they are brought together in overlapping position. Practically, this is done by means of the drive means 82, which controls the adjustment means 30 and 32 so that the position of the workpiece 20 and thus the radial direction 92 is displaced. Alternatively or additionally, it is also possible to change the absolute position of the tool axis 48, for example by changing the position of the spindle housing 74.
  • FIG. 10 a state is shown in which the tool axis 48 and the radial direction 92 of the workpiece 20 are brought into overlapping position with each other.
  • the annular active surface 70 of the cup wheel 68 is in engagement with the workpiece surface 24 with a main cutting edge 70a and with a secondary cutting edge 70b.
  • This microsection has first processing tracks 94 and oppositely curved second processing tracks 98.
  • the processing tracks 94 and 98 intersect and enclose an angle 102 between them.
  • the existence of such an angle is a parameter for whether the active surface 70 is in contact with the main cutting edge 70a and the minor cutting edge 70b with the workpiece surface 24.
  • the size of the angle 102 is a parameter for determining whether the ratio of the rotational speeds of the cup wheel 68 (and thus the effective area 70) and the Workpiece 20 in a correct relationship to each other.
  • the tool axis 48 and the plane of rotation 26 of the workpiece 20 are offset relative to each other.
  • the respectively associated centers of curvature 96 and 100 lie in a plane which is displaced more than a predefinable or predetermined permissible dimension relative to the plane of rotation 26.
  • This offset can be detected with the aid of the detection device 76 and with the aid of the evaluation unit 78.
  • Another possibility is to detect, at the level of the plane of rotation 26, an angle 103 which exists between a machining track 94 and the plane of rotation 26.
  • the angle 103 is dependent on the ratio of a first movement speed of the active surface 70 of the cup wheel 68 and a second movement speed of the workpiece surface 24.
  • the first movement speed is determined by the geometry of the active surface 70 and by the rotational speed of the cup wheel 68 about the tool axis 48.
  • the second movement speed is determined by the geometry of the workpiece surface 24 and by the rotational speed of the workpiece 20 about the workpiece axis 22.
  • the angle 103 is approximately perpendicular. If the angle 103 deviates more than a predefinable or given measure from a vertical angle, can be closed to an undesirable height offset of the tool axis 48 and the rotation plane 26.
  • angles 104 and 106 are at least approximately equal. If the angles 104 and 106 deviate from one another by more than a predefinable or predefined measure, a height offset between the tool axis 48 and the plane of rotation 26 can be deduced. Alternatively or in addition to a comparison of the angles 104 and 106, the angles 104 and / or 106 can also be evaluated independently of one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Claims (15)

  1. Dispositif de finition rotatif (10), comprenant un outil de finition (46) sous forme d'une meule-boisseau (68), qui est apte à être entraîné à rotation autour d'un axe d'outil (48) au moyen d'un dispositif d'entraînement d'outil (16), la position de l'axe d'outil (48) par rapport à une pièce à usiner (20) pouvant être réglée par l'intermédiaire d'un dispositif de réglage (28, 30, 32, 51, 62), caractérisé par un dispositif de détection (76) sous forme d'un système optique destiné à détecter l'état réel d'au moins une trace d'usinage (94, 98) apte à être générée ou générée sur une surface de pièce (24) au moyen de l'outil de finition (46), par une unité d'évaluation (78) destinée à évaluer ledit état réel détecté par égard à la valeur réelle d'au moins un paramètre qui concerne une propriété de courbure de l'allure d'au moins une trace d'usinage (94, 98) sur la surface de la pièce, et caractérisé par le fait qu'un dispositif de commande (82) est prévu au moyen duquel ledit dispositif de réglage (28, 30, 32, 51, 62) peut être commandé en fonction de la valeur réelle et d'au moins une valeur de consigne.
  2. Dispositif de finition rotatif (10) selon la revendication 1, caractérisé par le fait que ledit au moins un paramètre comprend la position relative d'une trace d'usinage (94, 98) et d'un point central de courbure (96, 100) associé.
  3. Dispositif de finition rotatif (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait qu'au moins un premier paramètre comprend la position relative d'une première trace d'usinage (94) et d'un premier point central de courbure (96) associé et qu'au moins un deuxième paramètre comprend la position relative d'une deuxième trace d'usinage (98) et d'un deuxième point central de courbure (100) associé, la première position relative et la deuxième position relative étant opposées l'une à l'autre.
  4. Dispositif de finition rotatif (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que ledit au moins un paramètre comprend un angle (103, 104, 106) d'une trace d'usinage (94) par rapport à un plan de référence ou une direction de référence de ladite pièce (20), en particulier par rapport à un plan de rotation (26) de la pièce (20), à un plan parallèle audit plan de rotation (26) ou à une direction perpendiculaire au plan de rotation (26).
  5. Dispositif de finition rotatif (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que ledit au moins un paramètre comprend l'existence d'un angle (102) entre deux traces d'usinage (94, 98) qui se coupent.
  6. Dispositif de finition rotatif (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que ledit au moins un paramètre comprend la taille d'un angle (102) entre deux traces d'usinage (94, 98) qui se coupent.
  7. Dispositif de finition rotatif (10) selon l'une quelconque des revendications précédentes, caractérisé par un dispositif de mémorisation (80) destiné à mémoriser au moins une valeur de consigne dudit au moins un paramètre.
  8. Dispositif de finition rotatif (10) selon l'une quelconque des revendications précédentes, caractérisé par le fait que ledit dispositif de réglage (28, 30, 32, 51, 62) peut être commandé en fonction d'une comparaison faite entre la valeur réelle et ladite au moins une valeur de consigne.
  9. Procédé d'ajustage ou de fonctionnement d'un dispositif de finition rotatif (10) comprenant un outil de finition (46) sous forme d'une meule-boisseau (68), qui est apte à être entraîné à rotation autour de l'axe d'outil (48) au moyen d'un dispositif d'entraînement d'outil (16), la position de l'axe d'outil (48) par rapport à une pièce à usiner (20) pouvant être réglée par l'intermédiaire d'un dispositif de réglage (28, 30, 32, 51, 62), caractérisé par le fait qu'un état réel d'au moins une trace d'usinage (94, 98) générée sur une surface de pièce (24) au moyen de l'outil de finition (46) est détecté de façon optique, que ledit état réel détecté est évalué par égard à la valeur réelle d'au moins un paramètre qui concerne une propriété de courbure de l'allure d'au moins une trace d'usinage (94, 98) sur la surface de pièce (24), et que ledit dispositif de réglage (28, 30, 32, 51, 62) est commandé en fonction de la valeur réelle et d'une valeur de consigne dudit au moins un paramètre.
  10. Procédé selon la revendication 9, caractérisé par le fait que ledit au moins un paramètre comprend la position relative d'une trace d'usinage (94, 98) et d'un point central de courbure (96, 100) associé.
  11. Procédé selon la revendication 9 ou 10, caractérisé par le fait qu'au moins un premier paramètre comprend la position relative d'une première trace d'usinage (94) et d'un premier point central de courbure (96) associé et qu'au moins un deuxième paramètre comprend la position relative d'une deuxième trace d'usinage (98) et d'un deuxième point central de courbure (100) associé, la première position relative et la deuxième position relative étant opposées l'une à l'autre.
  12. Procédé selon l'une quelconque des revendications 9 à 11, caractérisé par le fait que ledit au moins un paramètre comprend un angle (103, 104, 106) d'une trace d'usinage (94) par rapport à un plan de référence ou une direction de référence de ladite pièce (20), en particulier par rapport à un plan de rotation (26) de la pièce (20), à un plan parallèle audit plan de rotation (26) ou à une direction perpendiculaire au plan de rotation (26).
  13. Procédé selon l'une quelconque des revendications 9 à 12, caractérisé par le fait que ledit au moins un paramètre comprend l'existence d'un angle (102) entre deux traces d'usinage (94, 98) qui se coupent.
  14. Procédé selon l'une quelconque des revendications 9 à 13, caractérisé par le fait que ledit au moins un paramètre comprend la taille d'un angle (102) entre deux traces d'usinage (94, 98) qui se coupent.
  15. Utilisation d'un dispositif de finition rotatif (10) selon l'une quelconque des revendications 1 à 8, pour la mise en oeuvre d'un procédé selon l'une quelconque des revendications 9 à 14.
EP10001258A 2010-02-08 2010-02-08 Dispositif de finition de rotation et procédé d'installation ou de fonctionnement d'un dispositif de finition de rotation Not-in-force EP2353780B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10001258A EP2353780B1 (fr) 2010-02-08 2010-02-08 Dispositif de finition de rotation et procédé d'installation ou de fonctionnement d'un dispositif de finition de rotation
AT10001258T ATE552069T1 (de) 2010-02-08 2010-02-08 Rotationsfinishvorrichtung und verfahren zur einrichtung oder zum betrieb einer rotationsfinishvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10001258A EP2353780B1 (fr) 2010-02-08 2010-02-08 Dispositif de finition de rotation et procédé d'installation ou de fonctionnement d'un dispositif de finition de rotation

Publications (2)

Publication Number Publication Date
EP2353780A1 EP2353780A1 (fr) 2011-08-10
EP2353780B1 true EP2353780B1 (fr) 2012-04-04

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EP10001258A Not-in-force EP2353780B1 (fr) 2010-02-08 2010-02-08 Dispositif de finition de rotation et procédé d'installation ou de fonctionnement d'un dispositif de finition de rotation

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EP (1) EP2353780B1 (fr)
AT (1) ATE552069T1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109093469B (zh) * 2018-09-25 2020-08-11 嘉善德诺轴承有限公司 一种生产轴承用的一体化加工装置
CN109333167B (zh) * 2018-10-13 2020-09-15 宁波慈北医疗器械有限公司 一种3d激光打印颅颌面骨打光装置

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Publication number Priority date Publication date Assignee Title
DE102004045418A1 (de) * 2004-03-16 2005-10-06 Waldrich Siegen Werkzeugmaschinen Gmbh Verfahren und Vorrichtung zum Schleifen einer Walze
DE102006004747A1 (de) 2006-02-02 2007-08-09 Supfina Grieshaber Gmbh & Co.Kg Vorrichtung zum Einstellen einer Werkzeugspindel
DE102006050838A1 (de) * 2006-03-09 2007-09-20 Nagel Maschinen- Und Werkzeugfabrik Gmbh Messverfahren, Messsystem und Bearbeitungsmaschine mit Messsystem
DE102007050482B4 (de) * 2007-10-19 2017-08-24 Thielenhaus Technologies Gmbh Verfahren und Vorrichtung zur Finishbearbeitung

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EP2353780A1 (fr) 2011-08-10
ATE552069T1 (de) 2012-04-15

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