WO2014140037A1 - Dispositif et procédé de fabrication de rainures annulaires en contre-dépouille - Google Patents

Dispositif et procédé de fabrication de rainures annulaires en contre-dépouille Download PDF

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Publication number
WO2014140037A1
WO2014140037A1 PCT/EP2014/054738 EP2014054738W WO2014140037A1 WO 2014140037 A1 WO2014140037 A1 WO 2014140037A1 EP 2014054738 W EP2014054738 W EP 2014054738W WO 2014140037 A1 WO2014140037 A1 WO 2014140037A1
Authority
WO
WIPO (PCT)
Prior art keywords
axis
working
groove
undercut
rotation
Prior art date
Application number
PCT/EP2014/054738
Other languages
German (de)
English (en)
Inventor
Ulrich Leiseder
Original Assignee
Ulrich Leiseder
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 Ulrich Leiseder filed Critical Ulrich Leiseder
Priority to EP14709639.0A priority Critical patent/EP2969329A1/fr
Publication of WO2014140037A1 publication Critical patent/WO2014140037A1/fr

Links

Classifications

    • 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
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • 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
    • 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
    • B23B29/03432—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable during manufacturing
    • B23B29/03489—Adjustment means not specified or not covered by the groups B23B29/03435 - B23B29/03478
    • B23B29/03496—Grooving tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2220/00—Details of turning, boring or drilling processes
    • B23B2220/12—Grooving
    • B23B2220/126—Producing ring grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
    • B23H7/28—Moving electrode in a plane normal to the feed direction, e.g. orbiting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects

Definitions

  • the invention relates to a device for producing or machining annular undercut grooves in a workpiece, having a carrier that is rotatable relative to the workpiece about an axis of rotation defining the axis of the groove.
  • the object of the invention is to provide a device with which to produce undercut annular grooves rational and / or edit.
  • the carrier along a transverse to the axis of rotation translational axis is movable and carries two work tools that project in the direction of the translation axis of the carrier and of which a working edge for machining an undercut on the outer peripheral edge of the groove and the other has a working edge for machining an undercut on the inner peripheral edge of the groove.
  • the workpiece rotates about the axis of rotation, while the carrier is movable exclusively along the translation axis or along the axis of rotation and additionally along a radial axis extending at right angles to the axis of rotation.
  • the workpiece is fixed and the drive for the carrier, which controls the movement of the carrier along the translation axis or the movements along the axis of rotation and the radial axis, is rotatable relative to the workpiece about the axis of rotation wherein then also the translation axis or the radial axis rotates about the axis of rotation.
  • the working edges of the working tools can be, for example, cutting edges or erosion electrodes.
  • the two working tools upon first contact with the workpiece, produce an annular groove which later forms the clear opening of the undercut groove. If the grooves for finishing the surfaces or a non-destructive machining are already given, the axis of rotation corresponds to the axis of symmetry of the grooves.
  • the working tools then first axially penetrate deeper into the workpiece and then moved radially or alternatively perform a superimposed axial and radial movement along the translation axis, so be undercut by the working edges of the two working tools both the inner peripheral edge and the outer peripheral edge of the groove so that the undercut groove can be made in an extremely rational manner without having to widen the clear opening at the inlet of the groove at one location to insert the work tools into the groove.
  • an oblique elliptical hollow cylinder is obtained whose outer surface is formed by the outer peripheral edge of the clear opening of the groove and whose inner peripheral surface is defined by the inner surface Peripheral edge of this clear opening is formed.
  • these inner and outer peripheral surfaces of the hollow cylinder envelope surfaces for the working tools, ie, the working tools and possibly a tool holding these working tools are completely within the volume of this hollow cylinder.
  • each working tool has a working edge, which runs in the plane of rotation, that is to say at right angles to the axis of rotation and preferably radially, and generates the undercut when the carrier is moved linearly along the translational axis. tion axis is advanced obliquely. With this working edge at the same time the bottom of the undercut groove can be cleared.
  • a symmetrical dovetail groove can be produced in which the width of the groove base can be up to twice the width of the clear opening of the groove.
  • each working tool also has at least one working edge, or preferably two working edges, which run parallel to the translation axis.
  • each working tool has a working edge on the underside and a further lateral working edge, which runs parallel to the axis of rotation.
  • This can produce a T-shaped undercut groove by first introducing the tool axially and then moved radially to the side.
  • the working edges, which run in the plane of rotation, are preferably arranged so that they are symmetrical to the axis of rotation upon first contact of the working tools with the surface of the workpiece.
  • the essential tools for the production of the grooves are preferably in the plane which is spanned by the translation axis and the axis of rotation, and are arranged diametrically opposite in the rotation plane.
  • the carrier can also be equipped with several pairs of work tools with which then the concentric grooves can be made in one operation.
  • Fig. 1 (a) shows a section through a workpiece and a device for
  • Fig. 1 (b) is a Grundrissskizze to Fig. 1 (a);
  • Fig. 1 (c) a section analogous to Fig. 1 (a) in the state during the production of the groove:
  • Fig. 1 (d) is a section through the workpiece with the finished groove
  • FIGS. 2 (a) - (c) representations analogous to FIGS. 1 (a) - (d) for a device according to another embodiment
  • Fig. 1 shows a tool 1 with a non-immersing part as a support 2, a collision freely dipping into the groove 8 to be produced part as a base 3, a linear adjustment 4 and a workpiece 7.
  • the workpiece 7 is relative to the support 2 about an axis of rotation 6, which represents the axis of symmetry of the groove, rotatable.
  • the linear adjustment 4 allows a movement of the tool 1 along a translation axis 5, which extends obliquely to the axis of rotation 6.
  • an XY drive (not shown, can be provided with which the tool 1 can be moved on the one hand in the direction parallel to the axis of rotation 6 and on the other hand in a radial direction (sideways to the left in FIG , A movement along the translation axis 5 can then be by superimposing movements in X and Create Y direction.
  • the substructure 3 is formed in this example by two working tools 13, 14, which are designed as a parallelogram-shaped cutting plates and projecting in the direction of the translation axis 5 of the carrier 2.
  • the substructure may also comprise a hollow cylinder whose axis is parallel to the translation axis 5 and which has an elliptical cross section in the plane perpendicular to this axis and has a circular cross section as the top and bottom surface, ie in the plane perpendicular to the axis of rotation 6.
  • the work tools can then be embedded in the wall of this hollow cylinder, that they are held stable in position and, if necessary, survive only inside and / or outside and at the bottom something.
  • Fig. 1 (a) shows the state in which the free ends of these work tools impinge on the surface of the workpiece 7. In this position, the free ends of the working tools are symmetrical to a spindle axis 11 which defines the axis of rotation 6. During the rotation of the workpiece 7, these free ends of the work tools 13, 14 with their working edges (cutting edges) running horizontally on the underside (in FIG. 1 (a)) initially produce an annular groove 9.1 (FIG. 1 (d)). , which later forms the clear opening of the undercut groove 8. In Fig. L (a) - (c), the projection of this clear opening of Fig. 1 (a) to Fig. 1 (b) is denoted by 9.2.
  • the tool 1 performs a linear movement along the translation axis 5.
  • the (lower) cutting edge of the working tool 14 creates an undercut 17 on the outer peripheral edge 15 of the groove 8 (see FIG. 1 (d)) and produces the cutting edge of the working tool 13 at the same time an undercut 17 at the inner peripheral edge 16 of the groove 8, as can be seen in particular in Fig. 1 (c).
  • the center 12 between the running in the rotation plane cutting at the free ends of the two working tools 13 and 14 moves to the left in Fig. 1 (b). Together, these cutting edges also first produce a flat groove base 10 (Fig. 1 (d)).
  • FIG. 2 shows an embodiment in which additional working tools 21, 22 are provided, with which even in such a deeper undercut groove, a flat groove bottom can be created.
  • the inner and outer tracks of these work tools 21, 22 are indicated at 23 and 24 in FIG. 2 (b).
  • the cutting edges are advantageously so that they optimally machine the workpiece in the end position, here tangential to the groove.
  • each working tool in addition to the extending in the rotation plane working edge on two lateral cutting, which are parallel to each other and to the translation axis 5.
  • the undercuts can be made or recessed in the submerged condition while the wearer is merely making a radial movement.
  • Fig. 3 (a) shows a device for the production of concentric undercut grooves 36.
  • a tool 30 is used, the doubled substructure each having a pair of working tools 30a and 30b.
  • the working tools 30a create an inner groove, while the working tools 30b concentrically generate an outer undercut groove when the tool carrier is moved along the translation axis.
  • FIG. 3 (b) illustrates an alternative embodiment in which concentric undercut grooves 37 lying in different planes perpendicular to the axis of rotation 6 are also produced in one operation, but with the inner groove being made with a second functional unit 31 having a from the carrier 35 of the first functional unit has different second carrier 34 and also has its own linear adjustment 32 whose translation axis in this example opposite set inclined to the translation axis of the linear adjustment 4 for the first functional unit.
  • These two functional units can be used not only for the production of concentric grooves, but also as a gripper, with which the workpiece can be detected and raised by engaging in the concentric grooves.
  • Fig. 4 shows embodiments in which the work tools are designed on the base so that they profile only parts of the groove or reach.
  • FIG. 5 (a) shows an example which differs from the example of Fig. 2 in that the working tools 13, 14 penetrate by a difference deeper than the working tools 21, 22, whereby from the critical depth a W-shaped notch the difference depth in the groove bottom arises, since the center still remains machined by the working tools 21, 22. You can see the state where just the center of the W-shaped notch of the working tools 21, 22 is first reduced and so doubles the visible edge.
  • Fig. 5 (b) shows a further embodiment of an embodiment with asymmetrical groove bottom.
  • the asymmetric surface moments of the inclined cylinder of the substructure trigger a tumbling motion with rotating tools, the holder and tool spindle (milling spindle) have to take or can be balanced conventionally.
  • the rigidity of the material is advantageously optimized and it can absorb larger forces, as well as the loads advantageously have a relatively symmetrical effect.
  • the substructure for e.g. Cutting tools are provided with cut-outs or channels for the chips and for the recordings of the plates, as well as the slices which are designed to be thinner than the clear width, leaving the free space to work without jamming.
  • Such tools can be combined with the conventional adjustment element, for example nem driven cutter or boring head, are used against the spindle or workpiece axis.
  • the conventional adjustment element for example nem driven cutter or boring head
  • the oblique adjustment but simultaneously adjusting X and Z axis or with respect to the pivoted tool carriage is achieved.
  • the carrier remains perpendicular to the spindle or workpiece axis.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

L'invention concerne un dispositif de fabrication ou d'usinage de rainures annulaires (8) en contre-dépouille dans une pièce (7), comprenant un élément porteur (2) qui peut tourner par rapport à la pièce (7) sur un axe de rotation (6) qui définit l'axe de la rainure, caractérisé en ce que l'élément porteur (2) peut être déplacé le long d'un axe de translation (5) qui s'étend en biais par rapport à l'axe de rotation (6) et comporte deux outils de travail (13, 14) qui dépassent de l'élément porteur en direction de l'axe de translation et dont l'un (14) possède une arête de travail servant à usiner une contre-dépouille (17) sur le bord périphérique extérieur (15) de la rainure (8) et l'autre (13) possède une arête de travail servant à usiner une contre-dépouille (17) sur le bord périphérique intérieur (16) de la rainure (8).
PCT/EP2014/054738 2013-03-12 2014-03-11 Dispositif et procédé de fabrication de rainures annulaires en contre-dépouille WO2014140037A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14709639.0A EP2969329A1 (fr) 2013-03-12 2014-03-11 Dispositif et procédé de fabrication de rainures annulaires en contre-dépouille

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202013002647.2 2013-03-12
DE202013002647.2U DE202013002647U1 (de) 2013-03-12 2013-03-12 Vorrichtung für hinterschnittene Nuten

Publications (1)

Publication Number Publication Date
WO2014140037A1 true WO2014140037A1 (fr) 2014-09-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/054738 WO2014140037A1 (fr) 2013-03-12 2014-03-11 Dispositif et procédé de fabrication de rainures annulaires en contre-dépouille

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EP (1) EP2969329A1 (fr)
DE (1) DE202013002647U1 (fr)
WO (1) WO2014140037A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014006536U1 (de) 2014-08-14 2015-11-19 Ulrich Leiseder Backenfutter oder -greifer mit Wechselbacken

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1199481A1 (ru) * 1984-04-26 1985-12-23 Предприятие П/Я Р-6973 Способ обработки кольцевых канавок
DE3738873A1 (de) * 1987-11-10 1989-05-24 Mitsubishi Electric Corp Halbleitervorrichtung und verfahren zur herstellung derselben
WO2012089377A1 (fr) * 2010-12-29 2012-07-05 Robert Bosch Gmbh Outil de coupe pour produire au moins une dépression dans une surface, en particulier dans la surface d'un disque de frein
CN202591639U (zh) * 2012-05-22 2012-12-12 宁波市镇海福尔迅电梯部件厂 用于电磁制动器静板上环状线槽的精加工刀具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003145333A (ja) * 2001-11-19 2003-05-20 Kayaba Ind Co Ltd ポートの形成方法およびこの方法に用いる切削具
DE102008049196B4 (de) 2008-09-26 2014-07-10 Siemens Aktiengesellschaft Werkzeug zum Spanen einer Nut mit einer Hinterschneidung und Verfahren zum Spanen der Nut
DE202009008736U1 (de) * 2009-06-25 2010-11-11 Leiseder, Ulrich, Dr.-Ing. Dipl.-Phys. Vorrichtung zum Verbinden von Bauteilen
DE102011082053A1 (de) * 2011-09-02 2013-03-07 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Herstellung einer Axial-Ringnut in einem Werkstück

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1199481A1 (ru) * 1984-04-26 1985-12-23 Предприятие П/Я Р-6973 Способ обработки кольцевых канавок
DE3738873A1 (de) * 1987-11-10 1989-05-24 Mitsubishi Electric Corp Halbleitervorrichtung und verfahren zur herstellung derselben
WO2012089377A1 (fr) * 2010-12-29 2012-07-05 Robert Bosch Gmbh Outil de coupe pour produire au moins une dépression dans une surface, en particulier dans la surface d'un disque de frein
CN202591639U (zh) * 2012-05-22 2012-12-12 宁波市镇海福尔迅电梯部件厂 用于电磁制动器静板上环状线槽的精加工刀具

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 198631, Derwent World Patents Index; AN 1986-202840, XP002724487 *
DATABASE WPI Week 201329, Derwent World Patents Index; AN 2013-E74992, XP002724488 *

Also Published As

Publication number Publication date
DE202013002647U1 (de) 2014-06-13
EP2969329A1 (fr) 2016-01-20

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