WO2013142890A1 - Dispositif, machine et procédé pour l'usinage mécanique d'une pièce - Google Patents

Dispositif, machine et procédé pour l'usinage mécanique d'une pièce Download PDF

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Publication number
WO2013142890A1
WO2013142890A1 PCT/AT2013/050076 AT2013050076W WO2013142890A1 WO 2013142890 A1 WO2013142890 A1 WO 2013142890A1 AT 2013050076 W AT2013050076 W AT 2013050076W WO 2013142890 A1 WO2013142890 A1 WO 2013142890A1
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WO
WIPO (PCT)
Prior art keywords
cutting element
workpiece
vibration
mass
frequency
Prior art date
Application number
PCT/AT2013/050076
Other languages
German (de)
English (en)
Inventor
Friedrich Bleicher
Johannes BERNREITER
Original Assignee
Technische Universität Wien
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 Technische Universität Wien filed Critical Technische Universität Wien
Priority to DE112013001707.5T priority Critical patent/DE112013001707A5/de
Publication of WO2013142890A1 publication Critical patent/WO2013142890A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B25/00—Accessories or auxiliary equipment for turning-machines
    • B23B25/02—Arrangements for chip-breaking in turning-machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04—Tool holders for a single cutting tool
    • B23B29/12—Special arrangements on tool holders
    • B23B29/125—Vibratory toolholders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/34—Relative movement obtained by use of deformable elements, e.g. piezoelectric, magnetostrictive, elastic or thermally-dilatable elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
    • B23Q11/0035—Arrangements for preventing or isolating vibrations in parts of the machine by adding or adjusting a mass, e.g. counterweights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
    • B23Q11/0039—Arrangements for preventing or isolating vibrations in parts of the machine by changing the natural frequency of the system or by continuously changing the frequency of the force which causes the vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2250/00—Compensating adverse effects during turning, boring or drilling
    • B23B2250/16—Damping of vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/108—Piezoelectric elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
    • B23B2270/02—Use of a particular power source
    • B23B2270/025—Hydraulics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
    • B23B2270/02—Use of a particular power source
    • B23B2270/027—Pneumatics

Definitions

  • the invention relates to a device, in particular cutting tool, with a cutting element for the mechanical processing of a workpiece, wherein the cutting element is connected to a Schwingvor ⁇ direction, which is adapted to the
  • Cutting element to move in a vibration whose frequency is lower than the frequency of ultrasound
  • a Ma ⁇ machine for mechanically machining a workpiece comprising a tool holder for the particular replaceable assembly of a device, in particular cutting tool, for machining a workpiece.
  • the invention relates to a method for machining a workpiece with a cutting element which is vibrated, wherein the frequency of the vibration of the cutting element is lower than the frequency of ultrasound.
  • a tool is usually vibrated in the ultrasonic range, wherein the natural frequency of the tool is preferably chosen as the oscillation frequency, so that intentionally resonant vibrations auftre ⁇ th, by which, in particular during the machining of a workpiece, a supporting effect is achieved.
  • EP 0 197 172 A1 shows a method of the type mentioned in the introduction, wherein a rotary tool oscillates along the line of the feed vectors , so that the feed rate of the tool changes in the course of the workpiece rotation.
  • the vibration frequency is ⁇ so in relation to the speed of the tool, that the wavelength or its integral multiple, plus a half wavelength is equal to the respective workpiece screen.
  • the disadvantage here is, in particular, that a dynamic embedding ⁇ zier ung which the tool-bearing device occurs, whereby it can be damaged, in particular by input from resonant frequencies.
  • this prior art is concerned with compensating for disturbing vibrations, but not with the use of vibrations to assist in machining the workpiece. Due to the different field of application is used in such different types of machine tools, a free-swinging mass-spring damping system for reducing vibrations.
  • EP 0 323 518 A1 relates to a different kind of oscillating table.
  • the present invention has for its object to provide an apparatus and a method for the mechanical processing of workpieces, with which or which the vibration profile can be reliably controlled independently of resonance amplifications.
  • the Schwingvor ⁇ direction has a vibrating in the opposite direction to the cutting element balancing mass.
  • a Impulsentkoppelung can be achieved, so that any frequency can be set for machining the workpiece, regardless of the natural frequency of the device.
  • an active control or forced control of the balancing mass is insbeson ⁇ particular provided relative to the vibration of the cutting element.
  • the balancing mass and the cutting element preferably have a common longitudinal axis, whereby advantageously ⁇ effects in the jerk decoupling can be avoided.
  • the balancing mass may have an identical to the cutting element mass; in this case, the balancing mass with the same Fre acid sequence and of the same acceleration as the cutting element, but vibrated with opposite direction of movement. If the cutting element and balancing mass do not have the same mass, a compensating inertia effect can be achieved by adjusting the acceleration. Provided that the balancing mass has a smaller mass than the cutting ⁇ element, it is thus advantageous way to ⁇ pulse is effected when the balancing mass with the same frequency swings like and a larger amplitude than the cutting element.
  • Demzu ⁇ result oscillates the balancing mass with the same frequency as the cutting element, but has a higher acceleration and thus sets at the same frequency a greater way back. Due to the comparatively high acceleration capacity, the process reaction forces can also be advantageously reduced. be acted upon.
  • the oscillation profile can be reliably controlled, since the amplitude of the oscillation can be adjusted in a targeted manner via the stroke during the excitation of the oscillation. During machining, therefore, the desired oscillation amplitude can be maintained independently of the coupling between the tool and the workpiece, so that the supporting effect of the oscillation is reliably achieved.
  • the mechanical machining of the workpiece can be supported in many ways. Under mechanical machining in connection with the present invention, each machining with geome ⁇ symmetrical certain or geometrically undefined cutting edges are in particular to be understood; This includes in particular turning, drilling, milling, reaming and grinding, honing, lapping and polishing.
  • the device similar to known devices in which, however, the tool is excited in the ultrasonic range - to support the mechanical processing of difficult-to-work materials, ie in particular long-chipping or hard and / or brittle materials, such as ceramic materials, in particular a variety of silicon Materials such as silicon nitride or silicon oxide, or glass, but also steel.
  • difficult-to-work materials ie in particular long-chipping or hard and / or brittle materials
  • ceramic materials in particular a variety of silicon Materials such as silicon nitride or silicon oxide, or glass, but also steel.
  • the device is designed as a chip removal tool.
  • chip chips can damage the workpiece surface; Furthermore, the chip removal is made more difficult.
  • relatively short chips can be separated when he ⁇ inventive clamping tool due to vibration of Schnei ⁇ delements which the drawbacks of the conventional systems are overcome.
  • the frequency of vibration of the Schneidele ⁇ ment less than 10 kHz, preferably less than 5 kHz, particularly especially less than 1 kHz, more preferably between 500 Hz and 50 Hz.
  • a resonance vibration as this may damage the device.
  • the oscillating device has drive means acting in the oscillation direction of the cutting element or the compensating mass.
  • drive means acting in the oscillation direction of the cutting element or the compensating mass.
  • the drive means of the oscillating device are connected to a control or regulating device which is adapted to control the oscillation of the cutting element, in particular the same as the oscillation of the balancing mass regulate.
  • the vibration of the cutting element is merely controlled.
  • the drive means is driven accordingly.
  • the controller is per ⁇ but embedded in a feedback loop to deviations of the actual vibration waveform of the desired
  • the measuring element and / or the balancing mass is assigned a measuring element, in particular a displacement and / or acceleration sensor, for measuring a characteristic oscillation variable whose measured values are transmitted as the actual variable to the regulating device ⁇ be averaged.
  • the control device compares the actual size of the characteristic oscillation variable with a predetermined one Target size, whereby the control difference is compensated.
  • the drive means of the oscillating device to ⁇ least a piezo element, in particular at least one piezo element for driving the cutting element and at least one further piezo element for driving the balancing mass, have.
  • the piezoelectric element is supplied with electrical pulses which cause a periodic variation in length of the piezo element, which in the vibration of the cutting element or is converted from ⁇ equal mass.
  • a fluid line having a linear drive preferably a hydraulic or pneumatic pulser, is provided, which is coupled to excite the vibration with the cutting element or the balancing mass.
  • a linear drive preferably a hydraulic or pneumatic pulser
  • Such hydraulic pulpers are described, for example, in the article “Hydraulische Pulser” by H. Lohrentz, published in the journal “O + P - ⁇ lhydraulik und Pneumatik” (1999), the entire contents of which are hereby incorporated by reference.
  • the linear drive can be double-acting or single-acting.
  • a compressed air tool may be provided, which is used in the prior art engraving pins.
  • the linear drive has an adjustable stroke frequency.
  • a drive means for the oscillating device and a mechanical drive for example with a cam control, or an electromechanical drive can be provided.
  • the fluid line of the linear drive has a Re ⁇ gelventil, which is connected to the control or regulating device.
  • the fluid line of the linear drive is in communication with a pressure chamber, which is connected to a displaceably mounted, coupled to the cutting element piston.
  • the pressure chamber is connected to a piston opposite the drive of the cutting element with another piston for driving the balancing mass.
  • the fluid pressure in the pressure chamber is in this case converted into the displacement of the two pistons in opposite directions.
  • the cutting element and the balancing mass can be driven via the common pressure chamber, so that can be dispensed with its own, second pressure chamber for the ⁇ equal mass.
  • the design effort for the arrangement of the vibration device is reduced;
  • the error rate of the linear drive is reduced, whereby the operating time can be extended.
  • Another advantage of this embodiment is that only a single control signal is needed with which the pressure in the common pressure chamber is adjusted. As a result, the control or regulation of the vibration can be considerably simplified, as can be dispensed with a synchronization of separate control or control signals for the drive of the cutting element or the balancing mass.
  • At least one compressible fluid which can be filled with a compressible fluid and which is associated with the cutting element or the balancing mass is provided which dampens the oscillation of the cutting element or the balancing mass during operation. Due to the compression chamber, the movement of the cutting element or the leveling compound can be braked in particular at Errei ⁇ chen the end positions of the movement process. By the lifting movement of the cutting element or the balancing mass, the fluid contained in the compression chamber is compressed, wherein a damping effect is achieved by the internal friction of the fluid. In this case, a pressure prevailing in the compression chamber of the fluid can be discharged via a throttle to the outside. According to a preferred embodiment, two compression chambers are provided, which are associated with the vibration of the cutting element or the opposite vibration of the balancing mass.
  • the filling pressure of the compression chamber is variable via a supply with a control valve. Due to the control valve, the base pressure can be set in the compression chamber so that the damping force in dependence can be varied by the Erfor ⁇ dernissen of the respective processing operation.
  • the cutting element is designed as a turning tool, the oscillation of the cutting element taking place in the longitudinal direction of the turning tool.
  • the vibration of the cutting element can be used to separate comparatively short chips from the workpiece, whereby the chip removal is considerably facilitated.
  • the advantages of the invention can also be used with other tools (e.g., drills, cutters, etc.).
  • Particular advantages also include a machine for the mechanical processing of a workpiece, which is equipped with the device described above ⁇ in the manner of a chip tool.
  • the machine has a tool holder in which the device is installed.
  • the device is in this case preferably designed as an insert, which can be arranged exchangeable in the corresponding tool holder of the machine.
  • Machines with suitable tool holders are known in the prior art in various designs, for example as a turning or milling machine.
  • the integration of the oscillating device in the insert part has the advantage that existing Ma ⁇ machines can be retrofitted.
  • the method for machining a workpiece of the type mentioned above is characterized in that a leveling compound is set in oscillation in the opposite direction to the cutting element.
  • the frequency of the oscillation of the cutting element is below 10 kHz, preferably below 5 kHz, in particular below 1 kHz, particularly preferably between 500 Hz and 50 Hz.
  • a chip in a turning operation, is separated from a rotating workpiece, wherein the oscillation of the cutting element is synchronized with the rotation of the workpiece such that a wave crest of a wave-shaped course of the penetration depth of the cutting element into the workpiece at a separation point with a trough a wave-shaped course of the surface of the lifted chip to ⁇ sammeutic.
  • the oscillation of the cutting element is synchronized with the rotation of the workpiece such that a wave crest of a wave-shaped course of the penetration depth of the cutting element into the workpiece at a separation point with a trough a wave-shaped course of the surface of the lifted chip to ⁇ sammeutic.
  • FIG. 1 shows a sectional view of a device according to the invention for processing a workpiece
  • FIG. 2 shows a sectional view of a device according to a further embodiment of the invention
  • FIG. 3 schematically shows the principle of cutting short chips with a device such as a turning tool according to FIG. 1 or FIG. 2.
  • a device 1 for the mechanical processing of a (schematically drawn) workpiece 2 is shown, which is designed in the embodiment shown as a turning tool.
  • the device 1 comprises a cutting member 3 with a cutting edge 4, with which chips bring ⁇ lifted from the surface of the workpiece 2, after the workpiece 2 has been rotated.
  • the cutting element 3 of the device 1 shown is connected to a vibrating device 5, which is accommodated in a schematically shown housing 7 of the device 1.
  • the oscillating device 5 is adapted to the cutting element 3 in a vibration or in a vibrating movement verset ⁇ zen.
  • the frequency of the vibration of the cutting element between 500 Hz and 50 Hz, ie, a frequency that is lower than the frequency of ultrasound.
  • This may in particular ⁇ sondere the mechanical machining of hard and / or brittle materials such as ceramic materials, particularly a wide variety of silicon materials such as silicon nitride or silicon oxide, or glass, as well as of hardened steel or the like, are supported.
  • the balancing mass 6 and the cutting element 3 have the same longitudinal axis 1 ', so that the balancing mass
  • the drive means of the oscillating device 5 according to FIG. 1 have a piezoelectric element 8 for driving the cutting element 3 and a further piezoelectric element 8 'for driving the compensating mass 6.
  • substantially identical, rod-shaped piezo elements 8, 8 ' are provided.
  • the piezoelectric element 8 is coupled ge ⁇ with the cutting element. 3
  • the application of a suitable electrical voltage to the piezoelectric element 8 causes a periodic change in length, wel ⁇ che is converted into the vibration of the cutting element 3.
  • the further piezoelectric element 8 ' is coupled to the compensating mass 6, so that the compensating mass 6 is offset by a periodicconsmene ⁇ tion of the further piezoelectric element 8' in a opposite vibra ⁇ tion.
  • the piezoelectric element 8 is wound with a helical spring 9, which counteracts the longitudinal expansion of the piezoelectric element 8. Moreover, it is off Fig. 1 shows a return spring 10, which causes a restoring ⁇ force at a displacement of the balancing mass 6 from the rest position.
  • Fig. 1 shows a return spring 10, which causes a restoring ⁇ force at a displacement of the balancing mass 6 from the rest position.
  • the piezoelectric elements can be seen ⁇ instead of a piezo element 'in a (not shown), so that can be dispensed in the initial position of the arrangement of a spring element for returning the driving means.
  • the drive means of the oscillating device 5 are connected to a control or regulating device 11, which controls or controls the oscillation of the cutting element 3 in opposition to the oscillation of the balancing mass 6.
  • a generator 13 is actuated via the control or Re ⁇ gel means 11, which supplies the piezoelectric elements 8, 8 'by appropriate electrical pulses.
  • the electrical pulses are synchronized with one another in such a way that the desired counter-vibration of cutting element 3 and compensating mass 6 is produced.
  • the cutting element 3 is connected to a measuring element 12, so that a control loop is closed ⁇ sen.
  • the sensing element 12 detects a continuously charac ⁇ specific vibration magnitude.
  • the measured values of the oscillation variable are transferred as an actual variable to the control device 11 in order to determine a control deviation by comparison with a predetermined desired value, which is compensated by corresponding control of the drive means.
  • measuring element 12 insbeson ⁇ a particular distance and / or acceleration sensor is provided, which receives the distance traveled by the cutting element 3 path and / or its acceleration. .
  • the compensation ⁇ mass 6 associated measuring element '12 is provided to one of the balancing mass 6 associated characteristic vibration size - independently of the signal of the measuring element 12 - to detect. Accordingly, an actively controlled pulse decoupling can be achieved over which reliable resonant vibrations can be avoided.
  • FIG. 2 shows a further embodiment of the invention. in the following, only the differences from FIG.
  • the embodiment according to FIG. 2, as the drive means comprise a linear actuator 13, in particular in the form of a hydraulic or pneumatic pulser, on which is coupled to the excitation of the vibration with the cutting element 3 and with the balancing mass 6 ⁇ .
  • the linear drive 13 has a (schematically shown ⁇ table) fluid line 14, in which a preferably electromechanical control valve 15 is arranged with an actuator 15 ', via the control or regulating device
  • the pressure chamber 16 is connected to a feed or longitudinal direction 1 'of the cutting ⁇ elements 3 slidably mounted piston 17 in conjunction, which is coupled to the cutting element 3.
  • the pressure chamber 16 is controlled via the control or regulating device 11 with a periodic pressure curve, which is transmitted via the piston 17 to the cutting element 3 in order to set the cutting element 3 in the desired oscillation.
  • a further piston 1, displaceably mounted in the longitudinal direction 1 'of the device 1, is provided on a side of the pressure chamber 16 opposite the piston 17 for driving the cutting element 3, which is arranged to drive the compensating mass 6.
  • the fluid pressure in the pressure chamber 16 can therefore be converted into the displacement of the pistons 17, 18 in opposite directions, so that an opposite vibration of the cutting element 3 and leveling compound 6 is achieved.
  • the additional piston 18 which is coupled to the compensating mass 6 is also displaceably mounted in the piston 17 via a guide 19.
  • the housing 7 spring members 20 between the pistons of the Ver ⁇ displacement of the piston 17 from its starting position counter to reset the further piston 18 are corresponding Fe ⁇ the elements 20 is provided, which between the further piston 18 and the housing 7 act.
  • the housing 7 of the pre ⁇ device 1 each have a cutting element 3 or the off ⁇ equal mass 6 associated compression chamber 21 or 21 ', which via a feed 14' and 14 '' with a compressible fluid is supplied.
  • the supply 14 'or 14'' has ever ⁇ wells a control valve 22 and 23 respectively, each with an actuator 22' and 23 '.
  • the damping chambers 21 and 21 ' allow a targeted damping of the vibration of the cutting element 3 and the compensating mass 6.
  • the damping properties can be influenced by the filling pressure of the compression chamber 21 and 21', which is specified by the control or regulating device 11 ,
  • the device 1 described above can be used in conjunction with a machine such as a rotation system or a combinational ⁇ ned turning / milling machine, which has a suitable tool holder for the device. 1
  • a machine such as a rotation system or a combinational ⁇ ned turning / milling machine, which has a suitable tool holder for the device. 1
  • an existing operating fluid line of the machine in particular a hydraulic line or a cooling lubricant ⁇ line, is used to power the linear drive 13. So ⁇ with the device 1 can be retrofitted with little effort.
  • Fig. 3 the principle of operation of the device 1 during the separation of a comparatively short chip 24 from the workpiece 2 is illustrated.
  • the cutting element 3 is rotated by the oscillating device 5 in ⁇ a vibration which, as described above has a frequency below the ultrasonic.
  • the vibration of the cutting element 3 causes a time dependent on ⁇ pressing force F d (t) of the cutting element 3, so that the depth of penetration of the cutting element 3 a wavy course x d (t) follows, which depends on the amplitude and frequency of vibration.
  • the surface of the chip 24 has a raised ent ⁇ speaking, however, with regard to the cycle time T of the rotational movement of the workpiece 2 by a length E strigobenenen wavy course x d (tT).
  • a constant chip thickness h s is indicated by dashed lines in FIG. 3, which would be achieved with a constant contact force.
  • the vibration of the Cutting elements 3 is synchronized by means of the control or regulating device 11 with the rotation of the workpiece 2 such that a wave peak 25 of the undulating course x d (t) of the penetration depth of the cutting element 3 into the workpiece 2 at a separation point 27 with a trough 26 of Wavy curve x d (tT) of the surface of the lifted chip 24 coincides.
  • a chip 24 is obtained with a periodically tapered cross-section, which can be solved at each separation point 27.
  • a plurality of comparatively short chips 24 can be separated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

La présente invention concerne un dispositif (1), en particulier un outil d'enlèvement de copeaux, une machine équipée d'un tel dispositif (1) et un procédé, comportant un élément de coupe (3) pour l'usinage mécanique d'une pièce (2), l'élément de coupe (3) étant relié à un dispositif oscillant (5). Le dispositif oscillant (5) provoque une oscillation de l'élément de coupe (3) dont la fréquence est inférieure à une fréquence ultrasonore, et le dispositif oscillant (5) présente une masse d'équilibrage (6) oscillant dans le sens opposé par rapport à l'élément de coupe (3).
PCT/AT2013/050076 2012-03-28 2013-03-27 Dispositif, machine et procédé pour l'usinage mécanique d'une pièce WO2013142890A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112013001707.5T DE112013001707A5 (de) 2012-03-28 2013-03-27 Vorrichtung, Maschine und Verfahren zur mechanischen Bearbeitung eines Werkstücks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT501062012A AT513094B1 (de) 2012-03-28 2012-03-28 Vorrichtung, insbesondere Spanwerkzeug
ATA50106/2012 2012-03-28

Publications (1)

Publication Number Publication Date
WO2013142890A1 true WO2013142890A1 (fr) 2013-10-03

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AT (1) AT513094B1 (fr)
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140133930A1 (en) * 2011-07-19 2014-05-15 Mauser-Werker Oberndorf Maschinenbau GmbH Readjustment System
DE102015101167A1 (de) 2015-01-27 2016-07-28 Technische Universität Wien Spindelanordnung
WO2016162483A3 (fr) * 2015-04-08 2016-12-08 Lti Motion Gmbh Entraînement d'outil comprenant un arbre de broche et procédé de fonctionnement

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EP0197172A1 (fr) 1985-04-09 1986-10-15 Wilhelm Hegenscheidt Gesellschaft mbH Dispositif pour obtenir des copeaux brisés pendant l'usinage de pièces
EP0323518A1 (fr) 1987-06-24 1989-07-12 Research Development Corporation Of Japan Dispositif permettant de soumettre a une vibration une piece a usiner destinee a etre rectifiee
WO1993025352A1 (fr) * 1992-06-11 1993-12-23 Clear Cut Limited Systeme de penetration d'outil
DE19728268A1 (de) * 1996-07-04 1998-01-08 Mitsubishi Materials Corp Schneidverfahren mit einem vibrierenden Schneidwerkzeug
WO2004082897A1 (fr) * 2003-03-21 2004-09-30 Black & Decker Inc Systeme limitant les vibrations pour outil electrique, et outil electrique incorporant ce systeme
JP2006326812A (ja) * 2005-05-30 2006-12-07 Konica Minolta Opto Inc 振動切削装置、成形金型、及び光学素子
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US20060291973A1 (en) * 2005-06-28 2006-12-28 Ingvar Claesson Device and a method for preventing or reducing vibrations in a cutting tool
DE102006049867A1 (de) 2006-10-23 2008-04-24 Siemens Ag Werkzeugmaschine
DE102008000908A1 (de) * 2008-04-01 2009-10-08 Robert Bosch Gmbh Gegenschwingungsvorrichtung
EP2269781A2 (fr) 2009-07-02 2011-01-05 Robert Bosch GmbH Dispositif de réduction et/ou de compensation de vibrations, notamment pour une machine-outil manuelle et pour l'utilisation dans des machines-outils manuelles

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Publication number Priority date Publication date Assignee Title
US3757638A (en) * 1972-04-12 1973-09-11 J Martin Five-axis shaper
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