EP1330338B1 - Machine polyvalente - Google Patents

Machine polyvalente Download PDF

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Publication number
EP1330338B1
EP1330338B1 EP01978451A EP01978451A EP1330338B1 EP 1330338 B1 EP1330338 B1 EP 1330338B1 EP 01978451 A EP01978451 A EP 01978451A EP 01978451 A EP01978451 A EP 01978451A EP 1330338 B1 EP1330338 B1 EP 1330338B1
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EP
European Patent Office
Prior art keywords
workpiece
tool
machining
machine
rotation
Prior art date
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Revoked
Application number
EP01978451A
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German (de)
English (en)
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EP1330338A1 (fr
Inventor
Anton Horsky
Paul Dieter Scharpf
Wolf-Dietrich Voss
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.)
MAG IAS GmbH Eislingen
Original Assignee
Boehringer Werkzeugmaschinen GmbH
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Application filed by Boehringer Werkzeugmaschinen GmbH filed Critical Boehringer Werkzeugmaschinen GmbH
Publication of EP1330338A1 publication Critical patent/EP1330338A1/fr
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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
    • B24B5/36—Single-purpose machines or devices
    • B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins

Definitions

  • the invention relates to the machining of workpieces by means of material-removing, preferably mechanically material-removing process and related Devices, the workpieces being both centric and eccentric arranged rotationally symmetrical with respect to the central axis of the workpiece Surfaces and possibly further front surfaces includes the are to be processed (see e.g. WO-A-95 05265 or EP-A-0 807 489).
  • a typical workpiece of this type is crankshafts, in which the lateral surfaces the main bearing represents the centric, rotationally symmetrical surfaces and the lateral surfaces of the pin bearings the eccentric rotationally symmetrical Surfaces.
  • the machining operations are centric, however the end area and thus the area used for tensioning in chucks End pegs or end flanges (small or large outer diameter) a difficulty, and the associated with the decrease in large quantities of material Machining cheek side surfaces.
  • Crankshafts are typical representatives of workpieces that have the following problems to unite:
  • the currently preferred methods are usually used in large series production used one after the other on separate machines.
  • the lateral surfaces to be machined only spoken of rotationally symmetrical surfaces, since this is the is by far the largest proportion of processing cases.
  • the cams of camshafts can be processed analogously.
  • crankshafts and similar parts on the relevant Processing points hub bearings, main bearings, cheek side surfaces, End spigot / end flange
  • the workpiece should be centered on all machining steps Axis tensioned and driven around this axis to the Avoid using mechanically very complex and expensive so-called cycle chucks, which also severely restrict the flexibility of a machine because they must be geared to the dimensions of the crankshaft to be machined.
  • the speed of the workpiece can be kept so low that optimal tool tracking and thus optimum dimensional accuracy of these areas is ensured.
  • Both drives can be operated by separate motors (preferred) or driven by a common motor, however at least the self-locking slow drive train z. B. between the spindle and can be uncoupled from the self-locking point or between the chuck and the spindle his.
  • the spindles In addition to end journals and end flanges, at least their outer surfaces, the spindles must be next to a usual chuck, about a three-jaw chuck, also have a centering point, centering point and the jaws of the jaw chuck relative to each other in the axial direction (Z direction) can be moved, for example by using feeds with retractable jaws. In this way it is possible to have one End area rotatably by means of chuck with the respective spindle connect, while the other end area currently being processed is merely is supported by a centering tip.
  • the end area recorded in the slow spindle can - due to Drive by the fast spindle - can be operated at high speeds and with the workpiece-based machining process also used for the central bearings, z. B. turn-turn rooms can be edited.
  • the other option is to use the same as the low workpiece speed tool-based processes, for example using external round milling, this Edit end area.
  • the disadvantage is that compared to workpiece-based Process slightly poorer achievable surface quality. There in usually for all similar workpiece surfaces, for example all centric Bearings, matching minimum requirements regarding the Surface quality is provided by this end flange machining Circumstances may not meet a quality target that applies to all other central storage locations is achievable due to the more suitable processing method.
  • a tension using chuck is usually first on the unprocessed Outer circumference of the workpiece is necessary, at least this must be appropriate Have chuck balancing jaws.
  • one of the Spindles fix the workpiece in rotational position relative to one of the spindles be present, for example a rotational position stop or straightening jaws in the corresponding Jaw chuck.
  • the milling cutter must be able to be moved in the Z direction the tool support have a Z-slide, and the other must the cutting of the milling cutter not only on its outer circumference, but also in outer edge area of the end face to be present with continuous delivery to be able to cut on the end face in the Z direction. Otherwise, is only the axial section machining via grooving and circumferential machining possible.
  • the procedure is exclusively a processing procedure in which the Tool does not necessarily have to rotate a full 360 ° - cutting from both Types of cutting material simultaneously on the same, for example disc-shaped, Tool base body can be arranged so that only a single total Tool unit on the machine would be necessary.
  • Fig. 1a shows a machine tool that a workpiece, such as the one shown Crankshaft 1, which both central surfaces 2, z. B. main storage locations, as well as eccentric surfaces 3, for example pin bearings, at the end areas rotatably drivable and processed.
  • a workpiece such as the one shown Crankshaft 1, which both central surfaces 2, z. B. main storage locations, as well as eccentric surfaces 3, for example pin bearings, at the end areas rotatably drivable and processed.
  • the axial end region of the workpiece is in the holding devices two mutually aligned, aligned spindles 15, 16 added.
  • Both jaw chuck 20 serve as receiving devices or 21 and centering tips 22, 23, which are arranged on each of the spindles 15, 16 are.
  • the spindles 15, 16 are arranged on the bed 14 of the machine, as well the tool supports 12, 13, each carrying a tool unit, which about an axis parallel to the axis of rotation (Z axis) of the workpiece (C2 axis) can be driven to rotate.
  • the tool supports 12, 13 are in the X direction, that is to say transversely to the axial Z direction, defined to be movable on the respective Z slide that can be moved in the Z direction 26, 27.
  • the Z-slides can be moved along the Z-guides 33.
  • the Tool units are usually disk-shaped tool bodies, the tool body 18 of the one tool support 12 on the outside Circumferential area is occupied with cutting edges, which is necessary for a workpiece-based process can be used, for example with rotary cutting or rotary-rotary broaching.
  • this tool body 18 does not necessarily have to Allow a full 360 ° to be rotated, but it is already pivoting sufficient for smaller angular ranges around the C2 axis. Taking one However, the defined rotational position of the tool base body 18 is necessary. Corresponding is this tool body 18 when machining a central one rotationally symmetrical surface 2, namely a central bearing.
  • the other tool base body 19 is one with cutting edges tool-based process, for example with milling cutting, in its outer Equipped circumferential area, which accordingly preferably over the distributed over the entire circumference of the disk-shaped base body 19, in particular are evenly distributed.
  • the tool body 19 of this tool-based Accordingly, the process must be more than 360 °, in particular be drivable over any number of revolutions.
  • the Z-guides 33 are so long that both tool body 18, 19 can reach any axial position on the workpiece in the Z direction, in particular also the end regions, namely that in FIG. 1a at the right end of the crankshaft shown end pin 5 and the one at the left end of the crankshaft 1 illustrated end flange 6, which has a larger outer diameter than the end journal 5 has.
  • crankshaft is preferred during machining at both ends in the respective jaw chucks 20, 21, ie with the help of radial gripping jaws 20a, 20b, ..., 21a, 21b, ... held and driven in rotation.
  • This enables the machining of workpieces of different lengths, and also facilitates the loading and unloading of the machine with workpieces.
  • the centering point arranged on the same spindle in the Z direction Jaws are movable relative to the jaw chuck, or the centering tip relative to the chuck or to the spindle is not decisive, whereby in in practice the displacement of the centering tip 22, 23 in the Z direction compared to the associated jaw chuck and the associated spindle is preferred, such as exemplarily in Fig. 3a, 3b separately for the left and right side of the machine is shown. It is also irrelevant whether there is tension in the jaw chuck on the same In addition, the tension through the centering tip on the same Side is maintained.
  • FIG. 1b shows a machine tool that differs from the solution according to FIG. 1a differs in that the tool support 13 with the associated Tool base body 19, which the cutting for the or the tool-based Proceedings are missing.
  • FIG. 2a shows the machine according to FIG. 1a from the left side in a section along the line IIa-IIa. It can be seen that the spindle 16 carries Headstock over the tub of a tub-shaped bed 14 in the Z direction movably rests. The one that rotatably supports the tool body 19 Tool support 13, which is designed as an X slide, is in turn in the X direction guided on a Z-slide, with the X-direction directed obliquely downwards at an angle of 60 - 80 ° to the horizontal is inclined.
  • the guide plane of the Z slide 27 opposite the bed 14 is also not horizontal or vertically, but at an angle of about 40 - 50 ° opposite inclined to the horizontal.
  • Fig. 2b shows a bed construction with a bed 14 ', which with respect the Z direction is symmetrical, that is, on two opposite sides inclined guide surfaces each carries a Z-slide 26 ', 27', the again in each case in the X1 or X2 direction, which strive apart in a V-shape, movable tool support 12 ', 13' with corresponding Wear tool body 18 ', 19'.
  • Figures 3a and 3b show the left and right headstock of the machine.
  • the respective spindle 15 or 16 is in the headstock, not specified rotatably mounted and axially fixed.
  • the jaw chuck 20 or 21 is connected to the spindle and non-rotatably connected to it the jaws 20a, ..., 21a, ...
  • Both the spindle 15 and 16 and the jaw chuck 20 and 21 are in Center in the Z direction is hollow throughout, and is in this cavity the centering tip 22 or 23 is mounted, which from the jaw chuck 20 or 21st can also be positioned projecting forward.
  • the centering tip is rotatably mounted in relation to the spindle and jaw chuck Axial position shiftable.
  • Fig. 3a - as in Figures 1 - is the workpiece, namely the crankshaft 1, with the end flange 6 at the left end, and the end pin 5 at the right end.
  • crankshaft 1 is held on the left side by the clamping jaws 20a, 20b, ... of the jaw chuck 20 on the outer circumference of the end flange 6 rest and tension it, the centering tip 22 additionally in the corresponding Centering hole 36 engages.
  • the crankshaft On the right is the crankshaft on the other hand, only by means of those engaging in the centering bore 37 Centering tip 23 held corresponding to the associated Bakken 21a, 21b, ... of the jaw chuck 21 protrudes further.
  • the Z position of the centering tip 23 is analogous to the other centering tip 22 - by means of a centering stop 35 which can be fixed in the axial position fixed by z.
  • the thread between the centering stop 34/35 and the surrounding spindle 15, 16 is self-locking.
  • the two spindle sides also differ fundamentally in terms of mutual drives:
  • One, for example left, spindle 15 is at high speeds by means of a Motors M drivable, which is mounted on the headstock and for example a belt drive and related pulleys 28, 29, the spindle 15 drives around the Z axis.
  • a Motors M drivable which is mounted on the headstock and for example a belt drive and related pulleys 28, 29, the spindle 15 drives around the Z axis.
  • the other, e.g. B. right, spindle 16 is by means of another, not shown Motors can be driven slowly by rotating a gear pair by the worm wheel 38 is rotatably connected to the spindle 16 during the Motor, not shown, drives the screw 39.
  • This drive train can be uncoupled, for example by disengaging screw 39 and Worm gear 38, or by disengaging a clutch, not shown in this drivetrain.
  • Figures 4 and 5 show typical clamping situations of the workpiece, for example a crankshaft 1 when processing the different areas of the workpiece.
  • the one to be machined End area When machining the end areas of a workpiece, the one to be machined End area preferably held exclusively by means of a centering tip the drive from the other end of the workpiece via the spindle there is done to ensure accessibility for the corresponding tool in the end area to enable at all.
  • Figures 4a-4d show situations in which the crankshaft is at the left end by means of the jaws 20a, 20b, ... of the jaw chuck 20 on the circumference of the left end area, so z. B. the end flange 6, clamped and driven in rotation becomes. In the solution according to FIGS. 3a, 3b, this is the one that can be driven quickly Spindle 15.
  • the other, right-hand end, the workpiece, must be able to rotate freely be given, as by means of the slow on the right side Rotary drive of the right spindle 16 is a synchronous drive with also high Speed is not possible.
  • the other option is the right, that is, the slow spindle drive facing, end of the crankshaft in the jaw chuck there tension, but to decouple the drive train of the right chuck, for example, by disengaging the worm 39 from the worm wheel 38 of the Drive train, as shown in Fig. 4e.
  • the workpiece can be subjected to high Speed are driven and thus all the centric machining surfaces on the workpiece by means of a machining process on the workpiece such as Turning, turning rooms or turning-turning rooms can be edited.
  • the workpiece must also be in a defined Z position.
  • the right centering tip can be used for this purpose the workpiece to the left until the right centering point 23 reaches a centering stop 35 ', for example in the form of that in the figures 3 shown centering stop 35.
  • the right to force F2 acting on the left, with which the right centering tip 23 is acted upon be greater than the opposite force F1 with which the left centering tip 22 is applied.
  • the force F1 with which the left centering tip 22 is applied is greater than the right-to-left force of the right centering tip 23, 4b, a timely workpiece stop 44 'must be in the region of FIG right spindle 16 to be present.
  • the right centering tip must be used at the same time 23 remain axially fixed in the right centering hole 37 of the workpiece, thus the Z position of the right centering tip 23 can be fixed without the rotatability the centering point.
  • Fig. 4c differs from the solution according to Fig. 4b in that - at the same Relation of left to right force of the two centering tips - the left one Centering tip, which is subjected to the higher force, against a longitudinal one Centering stop 34 'presses. This must also - as with the solution according to Fig. 4b - happen before the jaws 20a, 20b of the left jaw chuck 20 closed become.
  • Fig. 5 shows the drive of the crankshaft from the right side, that is the slow driveline.
  • the right end is therefore in FIGS. 5, for example the end pin 5, the crankshaft 1 on the circumference of the jaws 21a, 21b of the right jaw chuck 21, which is from the assigned spindle 16 is driven slowly rotating.
  • the left centering tip 22 can engage on the left side Workpiece remain.
  • the workpiece can also be left only from the centering tip be held so that the jaws of the chuck are lifted off the workpiece there are.
  • Fig. 6 shows the machining of a crank bearing H1 of the crankshaft on the Center bearing ML is tensioned and driven in rotation. It can be seen from this that when the crankshaft rotates around the Z direction, the displacement of the one to be machined Pin bearing pin H1 in the X direction must be compensated by appropriate Tracking the machining tool, for example the rotating tool body 18, to the same extent in the analog direction. From this it is also clear that the diameter of the tool body is large must be chosen enough to be at the most distant position eccentric workpiece surface from the axis of rotation C2 of the tool body still to ensure editing.
  • Fig. 6 also shows the inclusion of the end pin 5 between the jaws 21 a, 21b, 21c of the jaw chuck 21, and the fixation of the rotational position of the crankshaft compared to the jaw chuck by a ram 31 off-center and transverse to the Z direction against one of the other pin journals, e.g. B. H3, presses to this to press against a rotary stop 32, rotary stop 32 and Ram 31 are rotatably connected to the chuck or the spindle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Milling Processes (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Paper (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Claims (14)

  1. Procédé pour l'usinage des surfaces symétriques de rotation tant centriques (2) qu'excentriques (3) des pièces, spécialement des vilebrequins (1) par enlèvement mécanique de matériau sur une et la même machine (11), ou
    à tous les pas d'usinage la pièce est serrée sur l'axe central et peut être entraínée en rotation,
    les surfaces symétriques de rotation, centriques (2) sont usinées par les procédés basés sur pièce,
    à l'usinage des surfaces symétriques de rotation, excentriques (3) l'usinage a lieu par les procédés basés sur outil, caractérisé en ce que du côté d'un bout la pièce peut être entraínée à grandes vitesses de rotation pour l'usinage par les procédés basés sur pièce et du côté de l'autre bout, celle-ci peut être entraínée à petites vitesses de rotation et avec le maintien d'une certaine position angulaire pour l'usinage par les procédés basés sur outil.
  2. Procédé selon la revendication 1, caractérisé en ce que, les surfaces symétriques de rotation excentriques (3) sont usinées par les procédés basés sur pièce mais à vitesses de rotation de la pièce plus petites, au moins de 10 fois qu'à l'utilisation des procédés basés sur outil.
  3. Procédé selon l'une des revendications antérieures, caractérisé en ce que, les manetons terminaux de la pièce sont aussi usinés et spécialement à l'usinage des segments terminaux, l'un d'entre les segments terminaux se réalise à une vitesse de rotation plus grande de la pièce et par un procédé basé sur pièce et l'autre segment terminal se réalise à une vitesse de rotation de la pièce plus petite, au moins de 10 fois, par l'entraínement du côté du bout de la pièce entraíné à une vitesse de rotation plus petite.
  4. Procédé selon l'une des revendications antérieures, caractérisé en ce que, l'un d'entre les segments terminaux est un maneton et l'autre segment terminal est une bride terminale avec un diamètre extérieur considérablement plus grand que le maneton terminal, spécialement à un vilebrequin (1) comme pièce et d'un côté, spécialement du côté de la bride terminale (6) la pièce peut être entraínée avec une vitesse de rotation plus grande et/ou spécialement l'usinage du segment terminal a lieu le plutôt possible, spécialement avant l'usinage des autres surfaces symétriques de rotation centriques et après l'usinage des segments terminaux, la surface de circonférence au moins de l'un d'entre les segments terminaux est utilisé pour serrage et/ou pour entraínement, spécialement par l'intermédiaire d'un mandrin à mâchoires.
  5. Procédé selon l'une des revendications antérieures, caractérisé en ce que, les surfaces symétriques de rotation excentriques (3), spécialement les paliers de bielle (7) d'un vilebrequin 91 se réalisent avant des surfaces symétriques de rotation centriques (2) - exceptant les segments terminaux - spécialement des paliers principaux (8) d'un vilebrequin (1) et/ou spécialement les grandes vitesses de rotation pendant l'usinage sont des vitesses de rotation de 40 rot/min jusqu'à 1600 rot/min, spécialement de 200 rot/min jusqu'à 800 rot/min et des petites vitesses de rotation de la pièce sont de 0 rot/min jusqu'à 40 rot/min, spécialement de 20 rot/min jusqu'à 40 rot/min.
  6. Procédé selon l'une des revendications antérieures, caractérisé en ce que, les grands moments de rotation du système d'entraínement pour la pièce pendant l'usinage sont des moments de rotation du système d'entraínement, de 600 Nm jusqu'à 3000 Nm, spécialement de 2000 Nm jusqu'à 2500 Nm et les petits moments de rotation du système d'entraínement pour la pièce sont des moments de rotation du système d'entraínement de 200 Nm jusqu'à 600 Nm, spécialement de 300 jusqu'à 550 Nm et/ou, spécialement les vitesses de coupe sont situées dans le domaine de 150 m/s jusqu'à 700 m/s, spécialement de 180 m/s jusqu'à 250 m/s.
  7. Machine (11) pour l'usinage des surfaces symétriques de rotation tant centriques (2) qu'excentriques (3) des pièces, spécialement des vilebrequins (1) par enlèvement mécanique de matériau, avec
    un bâti (14)
    deux axes (15, 16) dirigés l'un vers l'autre, entraínés en rotation pour le soutènement et l'entraínement des bouts de la pièce, spécialement d'un vilebrequin (1) autour la direction longitudinale (10), l'axe Z
    au moins un porte-outil (12, 13) qui peut être déplacé dans un mode défini au moins dans la direction X, caractérisée en ce que,
    l'un d'entre les axes (15) peut être entraíné avec une grande vitesse de rotation et l'autre, l'axe (16) peut être entraíné avec une petite vitesse de rotation et celui-ci est en mesure se fixer sur certaines positions angulaires (l'axe C1) et
    au moins l'un d'entre les axes (15, 16) dispose d'un dispositif d'ajustement de la position angulaire pour pièce.
  8. Machine selon la revendication 7,caractérisée en ce que, le porte-outil (12, 13) en plus de la possibilité de déplacement dans la direction X dispose de manière supplémentaire, soit d'une possibilité de déplacement dans la direction Y, soit d'une possibilité de pivotement autour la direction Z (l'axe C2) et/ou spécialement le système d'entraínement en rotation de l'axe (16) plus lent est un système d'entraínement en rotation avec autoblocage et spécialement celui-ci dispose d'un appareillement, vis sans fin/roue hélicoïdale.
  9. Machine selon l'une des revendications de dispositifs antérieurs, caractérisée en ce que, la machine (2) présente des porte-outils (12, 13), où l'un soutient un outil pour les procédés d'usinage basés sur pièce, spécialement un outil de tournage, un outil de brochage, un outil de brochage rotatif, un outil de brochage rotatif à tournage ou un outil de finissage et l'autre au moins un outil pour un procédé d'usinage basé sur outil, spécialement une fraise orthogonale ou une fraise à denture extérieure.
  10. Machine selon l'une des revendications de dispositifs antérieurs, caractérisée en ce que, les systèmes d'entraínement des axes (15, 16) peuvent être désaccouplés et/ ou spécialement les axes (15, 16) sont entraínés par le même moteur (17).
  11. Machine selon l'une des revendications de dispositifs antérieurs, caractérisée en ce que, les outils sont disposés au moins sur un corps de base de l'outil en forme de disque (18, 19) sur la circonférence extérieure et spécialement les outils pour les procédés basés sur outil sont repartis sur toute la circonférence extérieure du corps de base (18, 19).
  12. Machine selon l'une des revendications de dispositifs antérieurs, caractérisée en ce que, la machine est équipée avec outils de différents matériaux, spécialement des matériaux pour grandes vitesses de coupe, spécialement au-dessus de 180 m/s, d'une part et pour petites vitesses de coupe, spécialement de maximum 180 m/s d'autre part, spécialement des matériaux de coupe en métal dur ou céramique d'une part et en acier rapide (HSS) donc des outils en acier d'autre part et/ou spécialement la machine dispose seulement d'un seul porte-outil (12) sur lequel sont disposés les outils pour grandes vitesses de coupe et les outils pour petites vitesses de coupe mais qui absolument tous sont des outils pour les procédés d'usinage basés sur pièce.
  13. Machine selon l'une des revendications de dispositifs antérieurs, caractérisée en ce qu'au moins l'un d'entre les axes, spécialement les deux axes (15, 16) disposent d'une part d'un mandrine de serrage sur la circonférence extérieure, spécialement un mandrin à mâchoires (20) respectivement (21) et d'autre part d'un bec à centrer (22) respectivement (23) spécialement d'un bec à centrer mobil dans la direction Z par rapport au mandrin et/ou spécialement le bec à centrer (22, 23) est monté dans les paliers avec la possibilité de rotation libre.
  14. Machine selon l'une des revendications de dispositifs antérieurs, caractérisée en ce que, le bec à centrer (22, 23) est fixé dans la direction axiale dans une certaine position (Z) par rapport au mandrin à mâchoires et/ou spécialement au moins l'un, spécialement tous les deux axes (15, 16) disposent soit d'un arrêt longitudinal (24) respectivement (25) pour la position (Z) du bec à centrer (22, 23) par rapport au mandrin à mâchoires (20, 21) ou par rapport à l'axe (15, 16), soit d'un arrêt longitudinal pour la pièce par rapport au mandrin à mâchoires (20, 21) et/ ou spécialement les forces axiales avec lesquelles peuvent être sollicitées les becs à centrer (22, 23) peuvent être fixés, spécialement en ce qui concerne le fait si la force axiale correspondante est plus grande ou plus petite que la force axiale avec laquelle est sollicité l'autre bec à centrer par exemple 23.
EP01978451A 2000-10-23 2001-10-23 Machine polyvalente Revoked EP1330338B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10052443 2000-10-23
DE10052443A DE10052443A1 (de) 2000-10-23 2000-10-23 Kombimaschine
PCT/EP2001/012247 WO2002034466A1 (fr) 2000-10-23 2001-10-23 Machine polyvalente

Publications (2)

Publication Number Publication Date
EP1330338A1 EP1330338A1 (fr) 2003-07-30
EP1330338B1 true EP1330338B1 (fr) 2004-09-15

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EP01978451A Revoked EP1330338B1 (fr) 2000-10-23 2001-10-23 Machine polyvalente

Country Status (6)

Country Link
US (1) US6926591B2 (fr)
EP (1) EP1330338B1 (fr)
JP (1) JP2004512185A (fr)
AT (1) ATE276070T1 (fr)
DE (2) DE10052443A1 (fr)
WO (1) WO2002034466A1 (fr)

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JP4065185B2 (ja) * 2002-11-26 2008-03-19 武蔵精密工業株式会社 非円形回転体ワークの研削方法及びその装置
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ATE276070T1 (de) 2004-10-15
WO2002034466A1 (fr) 2002-05-02
EP1330338A1 (fr) 2003-07-30
US20040023600A1 (en) 2004-02-05
DE50103668D1 (de) 2004-10-21
US6926591B2 (en) 2005-08-09
JP2004512185A (ja) 2004-04-22
DE10052443A1 (de) 2002-05-08

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