EP2483023A2 - Outil d'usinage par enlèvement de copeaux, en particulier outil de décolletage, tête d'alésage profond, porte-larmes plein ou tête d'alésage, ainsi que machine d'usinage et procédé correspondant - Google Patents

Outil d'usinage par enlèvement de copeaux, en particulier outil de décolletage, tête d'alésage profond, porte-larmes plein ou tête d'alésage, ainsi que machine d'usinage et procédé correspondant

Info

Publication number
EP2483023A2
EP2483023A2 EP10782525A EP10782525A EP2483023A2 EP 2483023 A2 EP2483023 A2 EP 2483023A2 EP 10782525 A EP10782525 A EP 10782525A EP 10782525 A EP10782525 A EP 10782525A EP 2483023 A2 EP2483023 A2 EP 2483023A2
Authority
EP
European Patent Office
Prior art keywords
tool
actuator
cutting
workpiece
head
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.)
Withdrawn
Application number
EP10782525A
Other languages
German (de)
English (en)
Inventor
Alfred Ostertag
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.)
Ecoroll AG Werkzeugtechnik
Original Assignee
Ferroll GmbH
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 Ferroll GmbH filed Critical Ferroll GmbH
Publication of EP2483023A2 publication Critical patent/EP2483023A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • B23Q17/2233—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
    • 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
    • B23B29/03—Boring heads
    • B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • 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
    • B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
    • B24B39/02—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working internal surfaces of revolution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/128—Sensors
    • 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
    • B23B2270/04—Use of centrifugal force
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/21—Cutting by use of rotating axially moving tool with signal, indicator, illuminator or optical means

Definitions

  • tooling in particular peeling tool, boring head, solid boring head or boring head, as well as a cutting machine and method
  • the invention relates to a peeling tool, in particular in the form of a boring head, a solid boring head, a boring head or a cutting tool, and a cutting machine and various methods for controlling chip tools.
  • Rotationally symmetrical bodies of metallic materials often have to be provided with central and straight cylindrical bores. This bore extends partially over the entire length, so that drilling creates a tubular body. If the hole does not extend over the entire length, the hole is called a blind hole. Holes with a depth of approximately greater than 10 x the diameter are executed on deep hole drilling machines. The components used for such holes require a precise and straight course.
  • a drill head is mounted on a drill pipe, which transfers both the torque required for drilling and the feed force from the drilling machine to the drill head via the drill pipe.
  • Used drilling machines are often designed so that only the drill pipe and the associated drill head or just the workpiece to be machined or both the drill head and the workpiece rotate in reverse. If deep hole drilling machines are used, the opposite arrangement is preferred with respect to straightness of the bore. [04] Both this measure and other design details on the tools of the prior art, however, can not prevent deviations of the drilling axis of the axis of the workpiece. Exceeding these deviations above a certain permissible level regularly leads to waste production. General quantities that can cause this deviation are:
  • CONFIRMATION COPY The sag of the drill pipe by its own weight and a twisting drill and thereby caused misalignment of the drill head. Furthermore, the slack can change continuously due to imposed vibrations,
  • the former can be eliminated or significantly reduced by using a stabilizing drill string.
  • the other disturbances are not appreciably affected in this way.
  • the workpiece to be processed may be responsible even for incoming disturbances.
  • the workpieces are prepared and clamped so that the intended bore axis is identical to the machine axis, straightness and mismatch errors in the outer diameter may cause the outer diameters of the workpieces to be non-concentric with the intended bore axis.
  • a measurement of the bore profile with the reference to the outer diameter is eliminated in most cases.
  • the measurement of the bore course is possible only after processing.
  • materials with impermissible deviation of the axis nominal course are rejected as rejects.
  • the object of the invention is to improve the state of the art.
  • this object can be achieved by a peeling tool, which can be used and provided in particular for producing eccentric screws and has a directional control. [09] As a result, deviations when creating, for example, an eccentric screw on the direction control of the peeling tool can be influenced.
  • the peeling tool can have a floating support body.
  • the peeling tool has a peeling blade and an actuator, whereby the peeling blade is positioned by means of the adjusting member so that the directional control is realized.
  • a simple direction control for the peeling tool can be provided.
  • the peeling tool can be provided in such a way that an OMEGA system from ECOROLL, which has a peeling head with three floating peeling blades and a supporting body floating in the middle, is converted so that the peeling blades no longer work are arranged floating and are controlled purely by the actuators.
  • an "actuator” is an actuator which can be controlled by means of electronic or pneumatic or hydraulic signals and which can influence a change in position in the case of the peeling blades, a directional correction by the actuators can take place radially.
  • the peeling tool can have a smooth-rolling element.
  • an exhibiting is already ensured by when peeling tool and smooth rolling element can act on the workpiece in a clamping in a cutting machine.
  • the object can be achieved by a boring head which has a cutting element on a radial outer side, so that a hole can be enlarged in a defined manner by means of a chip removal, wherein the boring head has a directional control ,
  • a "boring head” is a tool for a drilling machine or a deep drilling machine, which enlarges a predrilled hole to a target diameter.
  • the "cutting element” can be formed, for example, by cutting, which are located at an outer position of the drill head and which lead to a "Spanabhub” in a feed into the pre-drilled hole by the contact with the material of the workpiece.
  • the boring head can have an actuator.
  • the problem can be solved by a solid boring head which has a cutting element in a feed direction at the end, so that a chip removal takes place during a feed, and which has a directional control with an actuator, wherein a guide bar means of the Actuator defined auslenkabr is and / or the actuator causes a defined angular position of the Aufbohrkopfes.
  • the tool can be guided over the guide rail.
  • the cutting elements are distributed in the radial direction over the circumference so that the entire drill cross section can be machined.
  • the solid drill head may have a central bore, so that in corresponding deep drilling systems, the cooling lubricant can be discharged with the chips against the feed direction in the center of the workpiece.
  • the "feed” is realized in such a way that, when the workpiece and / or the solid drill head rotate, the solid drill head is pressed against the workpiece with a certain force, which causes the cutting elements to cause a "chip removal" on the workpiece.
  • the object can be achieved by a drill head which has a tool carrier in relation to which a change takes place by means of the direction control.
  • the "drilling head” can be realized as a boring head or solid boring head, so that the term “boring head” is to be understood as generic term for "full boring head” and “boring head”.
  • a "tool carrier” comprises in particular a drill pipe, via which the drill or deep drilling machine is connected to the cutting element.
  • the drill head can have a torque receptacle, which is in engagement with the tool carrier.
  • the object is achieved by a cutting tool, wherein the actuator is designed as a pneumatic actuator, as a hydraulic actuator or as an electric actuator.
  • the actuator is designed as a pneumatic actuator, as a hydraulic actuator or as an electric actuator.
  • a "cutting tool” may include all previously described drill bits, solid boring heads, boring heads or peeling tools, which is to be understood as a generic term for "chip removal tooling".
  • the chip tool may have a deviation detector, which detects a deviation of the chip tool from a desired orientation.
  • This deviation detector is the prerequisite for a regulating or controlling intervention on the directionally adjustable cutting tool, so that even over large drilling depths an exact alignment can be ensured.
  • the force sensor can have a force sensor. Since the workpiece to be machined rotates, due to the measurement of the force, the center deviation from the machine axis due to eccentric rotation of the workpiece can be detected. In the case of an exact hole, the force is zero. If there is an eccentricity, then the force is greater than zero. [37] If the cutting tool rotates, due to the eccentricity, the centrifugal force is greater than in the absence of eccentricity. Thus, it can be concluded by measuring the centrifugal force on the eccentricity of the chip tool and thus on the course of the bore. In this case, the force sensor is designed as a centrifugal force sensor.
  • the deviation detector has a guide beam and a detector associated with the guide beam. If the detector signal deviates from the guide beam, this can also be deduced from a deviation of the chip removal tool.
  • the chip tool may have a controller in which a control algorithm is stored, the controller is connected to the deviation detector and the direction control, so that the deviation of the chip tool to compensate by means of directional control leads.
  • the centrifugal force sensor In the case of the centrifugal force sensor, the centrifugal force is continuously measured throughout the drilling process. The control is designed so that the proportion of eccentricity is kept as low as possible.
  • the actuators can act on the cutting tool in two different ways.
  • the eccentric position of the drill head can be changed, for example, via the guide rails.
  • a variable angular deviation between the axis of the drill pipe and the drill head is possible.
  • the cutting tool has a drill pipe, wherein the drill pipe is in particular rotatably connected to the tool carrier.
  • the drill pipe can have a stabilizing drill pipe set. Thus, influences due to the weight of the drill pipe and the chip tool can be reduced.
  • the tool carrier and / or the drilling and / or the cutting tool can have a post-processing device by means of which a surface created by the cutting tool can be machined in a machine clamping.
  • a post-processing device may, in particular, be a smooth-rolling element which changes the microstructure of the surface created by the machining so that it becomes particularly durable.
  • the object can be achieved by a cutting machine, in particular deep drilling machine, which comprises a previously described peeling tool and / or a previously described boring head and / or a previously described solid boring head and / or a previously described boring head and / or a previously described boring head has described chip tool.
  • a tool can be provided, but also a cutting machine.
  • a cutting machine may be, for example, a lathe or a whirling machine.
  • the object is achieved by a method for controlling a cutting tool, wherein an adjustment of the direction of a cutting tool by an angle adjustment and / or by a deflection of guide strips takes place.
  • the object may be achieved by a method for determining a deviation of a tool from a desired direction, wherein the determination of the deviation by a centrifugal force sensor and / or by a guide beam and associated detector takes place.
  • a measured value of the centrifugal force sensor is determined and compared with an expected value. If, for example, due to the eccentricity of the value is higher than the expected value, there is a different direction, which can be compensated by the Richtrichtverstellen the tool.
  • the guide beam can be designed as a laser and the associated detector is a location-sensitive light detector, such as a CCD camera, or a position-sensitive photosensor. If the light beam no longer hits the desired point on the detector, the detector signal can be used to determine in which direction the tool deviated.
  • a location-sensitive light detector such as a CCD camera, or a position-sensitive photosensor. If the light beam no longer hits the desired point on the detector, the detector signal can be used to determine in which direction the tool deviated.
  • the tool may be a previously described peeling tool, a previously described boring head, a previously described solid boring head, a previously described boring head or a previously described cutting tool.
  • the object is achieved by a method for machining a workpiece, wherein the workpiece consists in particular of metal and the method is carried out on a previously described cutting machine, wherein the peeling tool or the boring head or the solid boring head or a feed and a rotation is impressed on the drill head or the chip tool and / or the workpiece, so that a chip is lifted off the workpiece.
  • a workpiece can be provided, the bores are worked more accurately and thus the reject probability is reduced for the workpiece.
  • the workpiece is imparted with opposite rotation and in comparison to the rotation of the peeling tool or of the boring head or of the solid boring head or of the boring head or of the cutting tool.
  • the object can be achieved by a workpiece which is produced by one of the methods described above.
  • the invention will be explained in more detail with reference to an embodiment with reference to the figures. Shown
  • FIG. 2 shows in a schematic cross section the boring head of FIG. 1 in the
  • FIG 3 shows a diagram for the dependence of the centrifugal force on a rotation angle of a workpiece for three centrifugal force sensors.
  • a drill head 1 In a preferred embodiment of a drill head 1, it is coupled via a drill pipe 5 to a deep drilling machine (not shown).
  • the drill head 1 has one or more cutters 1.1 designed as indexable inserts.
  • At least two wear-resistant guide rails 1.2 are arranged at an appropriate point on the circumference of the drill head 1.
  • An arrow 1.7 indicates the feed direction of the tool 1.
  • the receiving bore of the drill head 1 is equipped with a toothing or with differently shaped form-fitting elements 1.3 for torque transmission. These are in engagement with torque transmitting elements 2.1 a Mit videflansches 2.
  • the latter is equipped in the forward feed direction with a spherical surface 2.2 and 2.2 in feed directions with a spherical surface.
  • a corresponding concave spherical surface 3.5 is located at the rear end of an axis 3.4 and contacts the spherical surface 2.2.
  • a divided ring in two halves 1.4 surrounds the spherical surface 2.4 of Mit supportiveflansches 2. It is screwed by means of screws 1.5 almost free of play with the axis 3.4 that the resulting unit of drill head 1, axis 3.4 and split ring 1.4 opposite the driver flange 2 is pivotable in all directions. However, a rotation of this unit relative to the driver flange 2 is not provided.
  • the arcuate driver elements 2.1 and the spherical surfaces 2.2 and 2.3 have a common center 2.1 1. Around this center, the drill head 1 can be pivoted in any direction steplessly by a variable angle ⁇ . This movement leads to a change in the direction of drilling and is therefore a desired adjusting movement for correcting the course of the bore.
  • the angular mobility of the drill head is achieved by other designs.
  • the connection of Mit videflansches 2 with the drill head 1 via a shaft with elastically flexible region possible.
  • FIG. 1 Three on the circumference evenly distributed electronic actuators 2.8, wherein in Fig. 1 representatively the actuator 2.8.1 is shown, are arranged so that they hold the drill head in alignment with a tool axis 2.9, when the bore is centered. If an angular deflection of the drill head 1 is required for correction because of occurring eccentricity of the bore, the actuators 2.8 change the angular position of the drill head 1 by the variable deflection angle ⁇ to the tool axis 2.9. Alternatively, instead of the electronic actuators 2.8 hydraulic actuators are used.
  • the control unit consists of the axis 3.4, a housing 3.5 and a concentric ring 3 accommodated therein, the ring 3 having a mass, further comprising an electronic controller 4 and a battery 4.1 required for the power supply of the regulator 4.
  • the concentric ring 3 is arranged on all sides in the radial direction and is supported by means of three force sensors 3.3 relative to the axis 3.4.
  • An anti-rotation device not shown, keeps the ring 3 in a constant angular position relative to the axis 3.4.
  • the control unit is attached by means of a nut 3.2 on the axis 3.4.
  • the drill head 1 described above is screwed tightly by means of the screws 2.7 with a tool carrier 8 and secured against rotation.
  • the tool carrier 8 is screwed to the drill pipe 5 by means of a standardized connecting thread.
  • the drill pipe 5 transmits the feed force 2.5 generated by the deep drilling machine, which is transmitted via the driver flange 2 to the drill head unit 8, 5, 1. At the same time, the drill pipe 5 takes on rotating workpiece on the resulting reaction torque during drilling.
  • a force 2.12 introduced by the drill pipe 5 during the retraction of the tool 1 is transmitted to the drill head unit via the rear spherical surface 2.4.
  • the center axis of a bore 6.1 has an eccentricity e with respect to a central axis 7 of the deep drilling machine.
  • the workpiece 6 rotates in the direction of an arrow 6.2 around the deep drilling machine axis 7.
  • a tool axis 2.9 describes an orbit 2.10 with a radius e.
  • the mass of the ring 3 generates under this rotation, a centrifugal force 3.1, which is taken in the illustrated instantaneous position by a portion of the force sensors 3.3.2, 3.3.3 each half.
  • FIG. 3 shows how centrifugal force 3.1 depends on the angle of rotation of the workpiece to one to two of the three sensors 3.3 is distributed.
  • the magnitude of the centrifugal force depends on the constant mass of the ring 3, the constant workpiece speed and on the variable eccentricity e.
  • the sensors 3.3 measure both magnitude and direction of centrifugal force during workpiece rotation on synchronous orbit 2.10. Both sizes are variable.
  • ring 3 exerts the weight force, which is constant in size and direction, to the center of the earth. This has no significance for the function of the tool and is therefore filtered out in the controller 4.
  • the two variables are processed in the controller 4 and output as control signals to the actuators 2.8.
  • Each of the actuators 2.8.1 to 2.8.3 (for reference, only the actuator is 2.8.1 drawn) is assigned to each sensor 3.3.1 to 3.3.3.
  • the adjusting movement causes a change in the drilling direction against the centrifugal force.
  • Actuators 2.8 distributed evenly around the circumference are acted upon in such a way that the axis of the drill head 1 is deflected by the angle ⁇ counter to the direction of the centrifuge force. This changes the drilling direction. After adjusting, the hole runs along the axis 1.7.1 at the angle a.
  • the size of the deflection angle is proportionally controlled depending on the size of the centrifugal force and thus directly dependent on the eccentricity e.
  • the direction control is adjusted for this operating mode.
  • the decisive for controlling the drilling tool centrifugal force 3.1 runs synchronously with the workpiece speed. It is from the sensors 3.3. Ibis 3.3.3 continuously measured. The relative movement of the tool against the workpiece rotation causes each sensor 3.3. Ibis 3.3.3 passes through the effective direction of the centrifugal force several times per workpiece rotation.
  • the drill head 1 is deflected against the effective direction of the centrifugal force 3.1 by a variable angle ⁇ . In this case, the direction of the deflection angle ⁇ always remains in accordance with the direction of the revolving centrifugal force.
  • the actuators 2.8 between the drill head 1 and guide rails 1.2 are arranged. This embodiment is not shown in the drawing. An angular mobility of the drill head 1 relative to the tool is not required in this embodiment. Instead, the guide rails 1.2 are movable in the radial direction. The control movement takes place in this case by the deflection of the guide rails 1.2 in the radial direction.
  • the invention is applied to solid boring tools, for example.
  • the drill head 1 is designed so that the control unit is arranged in the feed direction behind the drill head 1 and that the cutting in the radial direction and are distributed over the circumference, so that with this arrangement, the entire bore cross section is machined.
  • the control unit is structurally provided with a continuous central bore so that, in accordance with the deep-hole drilling machine system, the cooling lubricant with the chips is discharged against the feed direction in the center of the tool.
  • the directional control is alternatively incorporated in single or combined with straight rolling tools peeling tools.
  • an OMEGA system from ECOROLL with three floating peeling knives and a central floating support body is being adapted for this purpose.
  • the actuators are arranged so that the peeling blades no longer float freely and are deflected to correct direction by the actuators radially.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Drilling And Boring (AREA)
  • Drilling Tools (AREA)

Abstract

Les corps à symétrie de révolution constitués de matériaux métalliques doivent souvent être pourvus de trous cylindriques centrés et rectilignes qui s'étendent en partie sur toute la longueur desdits corps de sorte que le perçage produit un corps tubulaire. Lorsqu'il est nécessaire de réaliser ces trous à une profondeur supérieure à environ 10 fois le diamètre, on utilise des machines à percer des trous profonds. En raison de cette profondeur de perçage et en raison de détails de conception, des écarts peuvent apparaître entre l'axe de perçage et l'axe de la pièce, ce qui peut entraîner des rebuts. L'invention propose par conséquent une tête d'alésage profond ou un porte-larmes plein qui présentent une commande directionnelle destinée à être utilisée dans des machines à percer des trous profonds.
EP10782525A 2009-10-02 2010-10-01 Outil d'usinage par enlèvement de copeaux, en particulier outil de décolletage, tête d'alésage profond, porte-larmes plein ou tête d'alésage, ainsi que machine d'usinage et procédé correspondant Withdrawn EP2483023A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009048057 2009-10-02
DE102010013480A DE102010013480A1 (de) 2009-10-02 2010-03-30 Spanwerkzeug, insbesondere Schälwerkzeug, Aufbohrkopf, Vollbohrkopf oder Bohrkopf, sowie Zerspanungsmaschine und Verfahren
PCT/DE2010/001152 WO2011038724A2 (fr) 2009-10-02 2010-10-01 Outil d'usinage par enlèvement de copeaux, en particulier outil de décolletage, tête d'alésage profond, porte-larmes plein ou tête d'alésage, ainsi que machine d'usinage et procédé correspondant

Publications (1)

Publication Number Publication Date
EP2483023A2 true EP2483023A2 (fr) 2012-08-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10782525A Withdrawn EP2483023A2 (fr) 2009-10-02 2010-10-01 Outil d'usinage par enlèvement de copeaux, en particulier outil de décolletage, tête d'alésage profond, porte-larmes plein ou tête d'alésage, ainsi que machine d'usinage et procédé correspondant

Country Status (5)

Country Link
US (1) US20120219370A1 (fr)
EP (1) EP2483023A2 (fr)
KR (1) KR20120105424A (fr)
DE (1) DE102010013480A1 (fr)
WO (1) WO2011038724A2 (fr)

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DE102012012414A1 (de) * 2012-06-25 2014-04-17 Ecoroll Ag Werkzeugtechnik Tiefbohrmaschine und Tiefbohrverfahren
CN102962764B (zh) * 2012-12-17 2015-03-18 北京理工大学 一种刚性偏心传动公自转气压施力数控抛光装置
DE102013209243A1 (de) * 2013-05-17 2014-11-20 Ecoroll Ag Werkzeugtechnik Spanende Werkzeugmaschine, Werkzeugsatz und Verfahren zum Herstellen eines Zylinders mit einer Sack- und/oder Stufenbohrung
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CN105269079B (zh) * 2015-11-17 2018-02-02 江苏保捷锻压有限公司 一种汽车变速箱齿轮固定开槽装置
US11090737B2 (en) * 2019-08-29 2021-08-17 Kennametal Inc. Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration
CN110899858B (zh) * 2019-11-15 2021-01-29 沪东中华造船(集团)有限公司 一种设备底脚铰制螺栓孔平面刮排及平面刮平方法
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US20120219370A1 (en) 2012-08-30
KR20120105424A (ko) 2012-09-25
DE102010013480A1 (de) 2011-04-07
WO2011038724A3 (fr) 2011-07-21

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