EP1147851A1 - Finishing machine for crankshafts and camshafts - Google Patents

Finishing machine for crankshafts and camshafts Download PDF

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Publication number
EP1147851A1
EP1147851A1 EP00104645A EP00104645A EP1147851A1 EP 1147851 A1 EP1147851 A1 EP 1147851A1 EP 00104645 A EP00104645 A EP 00104645A EP 00104645 A EP00104645 A EP 00104645A EP 1147851 A1 EP1147851 A1 EP 1147851A1
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EP
European Patent Office
Prior art keywords
workpiece
guide
rear end
pressure
linear guide
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.)
Granted
Application number
EP00104645A
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German (de)
French (fr)
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EP1147851B1 (en
Inventor
Werner Max Dr.-Ing. Müller
Andreas Dipl.-Ing. Thölke
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Ernst Thielenhaus GmbH and Co KG
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Ernst Thielenhaus GmbH and Co KG
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Publication date
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Priority to EP20000104645 priority Critical patent/EP1147851B1/en
Priority to DE50000078T priority patent/DE50000078D1/en
Publication of EP1147851A1 publication Critical patent/EP1147851A1/en
Application granted granted Critical
Publication of EP1147851B1 publication Critical patent/EP1147851B1/en
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/12—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts
    • 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
    • B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency

Definitions

  • a device of the structure described and described Purpose is from DE-A 196 07 776 known.
  • the known device has two pressure shoes on, each movable on an arm in linear guides are arranged.
  • the arms are in one portal-like cross member and guided by an electromechanical or hydraulic tensioning device with which the Pressure force can be generated for the finish processing, interconnected.
  • the one trained with four guides The device is structurally complex. Through the constructional great length of the arms and their end guide on a cross member, the device has only a relatively low stiffness, the also depending on the position of the pressure shoes in the poor is still changeable. Through the insufficient rigidity can result in machining errors in the Finish machining occur. Furthermore, when and unloading a workpiece difficulties because the Pressure shoes in the longitudinal direction of the arms against each other can move. They are complex, very precise working positioning devices required so that Pressure shoes defined during a workpiece change Take positions.
  • the invention has for its object a compact and simple device with few movement components for finishing of shafts, specify the due to their construction, constant rigidity.
  • the transverse guide consists of a guided on the carrier Main slide exists, one on the workpiece has forked head, and that the guide rail for the linear guidance of the pressure shoe between the Leg of the fork-shaped head is inserted.
  • the work surfaces can be made with high stones equipped or for operation with a finishing tape be designed.
  • To generate the for finishing required pressure can be the pressure shoes by a electromechanical, hydraulic or pneumatic clamping device be connected.
  • the travel path of the The tensioning device is expediently set up so that the Pressure shoes for loading and unloading a workpiece far can be moved apart.
  • the main slide is preferably radial to Rotation axis of the workpiece aligned.
  • the main slide In the Workpiece machining is the guiding of the main slide free of bending moments, so that a smooth and precise guidance of the transverse guide is guaranteed.
  • the pressure shoes are designed as projecting components and have one at the rear end on the guide rail guided sled and on their protruding End of a workpiece encompassing an arc Work surface.
  • the main slide has a rear end protruding above the carrier, which can be locked, if the workpiece is not being machined.
  • the rear end a positioning device and assigned a clamping device and has the rear End a profile, which with the positioning device cooperates.
  • the basic structure of the device includes Carrier 1, at least one pressure shoe 2 and one Linear guide 3 of the pressure shoe 2.
  • the linear guide 3 of the pressure shoe 2 forms with a transverse guide 4 of the Linear guide carrying component a cross guide system, which is the orbital movement of the around its axis of rotation rotating workpiece 5 follows.
  • Fixtures are one in finishing Crankshaft side by side in the longitudinal direction of the workpiece arranged.
  • the rotary drive for the workpiece and a Axial oscillation drive usually also provided for axial relative movements between Workpiece 5 and the pressure shoes 2 are not shown.
  • the transverse guide 4 consists of a on the carrier 1st guided main slide 6, the workpiece one has fork-shaped head 7.
  • the guide rail 8 for the linear guide 3 of the pressure shoes 2 is between the Leg of the fork-shaped head 7 used, the Guide surfaces through a movable cover, e.g. B. can be protected by a bellows.
  • two pressure shoes 2 are movable performed, the work surfaces encompass the workpiece 5.
  • the work surfaces can be equipped with honing stones or for the operation of a finishing belt.
  • the Pressure shoes 2 are mutually by a tensioning device 9 connected to each other. In the embodiment a hydraulic tensioning device 9 is indicated.
  • the Clamping device 9 can as well as Electromechanical or pneumatic device executed become.
  • the main slide 6 is radial to the shaft axis of the workpiece 5 aligned.
  • the in a circular movement of the Adjustment movements of the main slide performed on the workpiece 6 and the pressure shoes 2 are in Fig. 1 by dash-dotted lines indicated.
  • the pressure shoes 2 are cantilevered components trained and instruct one at their rear end the guide rail guided carriage 10 and on her protruding end an arcuate the workpiece comprehensive work surface.
  • the main carriage 6 has a rear, over the Carrier protruding end 11, which with a in Fig. 2nd shown device can be positioned and locked is when the workpiece is not being machined.
  • a positioning device 12 and a clamping device 13 In the 2 shows a positioning device 12 and a clamping device 13.
  • the positioning device 12 acts with a profile 14 of the rear end 11 together. By pressing the Positioning device 12 is the main slide 6 in one through the profile 14 predetermined position movable. If the Finishing device for the first time with a new one Workpiece 5 is loaded, all main slides 6 using their associated positioning device 12 in brought a predetermined by the profile 14 central position. If the pressure shoes 2 are moved far apart, this becomes Workpiece 5 z. B. a crankshaft, in the device inserted. First, the clamping in the Main bearing surfaces of the workpiece lie in the axis of rotation. One after the other, the ones to be processed Lifting bearing surfaces of the workpiece in the "12 o'clock" positions or "6 o'clock" and the assigned pressure shoes 2 applied to the lifting bearing surface to be processed.
  • the machined crankshaft is determined in a predetermined manner Angular position positioned.
  • the main slide 6 by the assigned Clamps 13 in the angular position of the workpiece fixed positions. Now can the machined workpiece 5 removed and within the Series production of a new workpiece for machining be inserted.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The arrangement has a bearer (1), at least one pressure shoe (2) and a linear guide (3) for the pressure shoe forming a crossed guide system with a transverse guide (4) for the linear guide bearer that follows the motion of the workpiece (5) rotating about its rotation axis. The transverse guide consists of a main carriage (6) guided on the bearer and aligned radially with respect to the workpiece rotation axis and with a forked head (7) on the workpiece side. The guide rail (8) for the linear guide is set at right angles to the direction of motion of the transverse guide between the arms of the forked head.

Description

Die Erfindung betrifft eine Vorrichtung zur Finishbearbeitung von Wellen, insbesondere von Kurbel- und Nockenwellen, mit

  • einem Träger,
  • mindestens einem Andrückschuh und
  • einer Linearführung des Andrückschuhs,
    • wobei die Linearführung des Andrückschuhs mit einer Querführung des die Linearführung tragenden Bauteils ein Kreuzführungssystem bildet, welches der Umlaufbewegung des um seine Rotationsachse rotierenden Werkstückes folgt.The invention relates to a device for finishing shafts, in particular crankshafts and camshafts
  • a carrier,
  • at least one pressure shoe and
  • a linear guide of the pressure shoe,
    • wherein the linear guide of the pressure shoe forms a cross guide system with a transverse guide of the component carrying the linear guide, which follows the rotational movement of the workpiece rotating about its axis of rotation.

    Eine Vorrichtung des beschriebenen Aufbaus und der beschriebenen Zweckbestimmung ist aus DE-A 196 07 776 bekannt. Die bekannte Vorrichtung weist zwei Andrückschuhe auf, die jeweils an einem Arm in Linearführungen beweglich angeordnet sind. Die Arme ihrerseits sind an einem portalartigen Querträger geführt und durch eine elektromechanische oder hydraulische Spanneinrichtung, mit der die Andruckkraft für die Finishbearbeitung erzeugt werden kann, untereinander verbunden. Die mit vier Führungen ausgebildete Vorrichtung ist konstruktiv aufwendig. Durch die konstruktionsbedingte große Länge der Arme und deren endseitige Führung an einem Querträger, besitzt die Vorrichtung nur eine verhältnismäßig geringe Steifigkeit, die zudem in Abhängigkeit von der Position der Andrückschuhe auf den Armen noch veränderlich ist. Durch die unzureichende Steifigkeit können Bearbeitungsfehler bei der Finishbearbeitung auftreten. Ferner ergeben sich beim Be- und Entladen eines Werkstückes Schwierigkeiten, da sich die Andrückschuhe in Längsrichtung der Arme gegeneinander verschieben können. Es sind aufwendige, sehr präzise arbeitende Positioniereinrichtungen erforderlich, damit die Andrückschuhe während eines Werkstückwechsels definierte Positionen einnehmen.A device of the structure described and described Purpose is from DE-A 196 07 776 known. The known device has two pressure shoes on, each movable on an arm in linear guides are arranged. The arms are in one portal-like cross member and guided by an electromechanical or hydraulic tensioning device with which the Pressure force can be generated for the finish processing, interconnected. The one trained with four guides The device is structurally complex. Through the constructional great length of the arms and their end guide on a cross member, the device has only a relatively low stiffness, the also depending on the position of the pressure shoes in the poor is still changeable. Through the insufficient rigidity can result in machining errors in the Finish machining occur. Furthermore, when and unloading a workpiece difficulties because the Pressure shoes in the longitudinal direction of the arms against each other can move. They are complex, very precise working positioning devices required so that Pressure shoes defined during a workpiece change Take positions.

    Der Erfindung liegt die Aufgabe zugrunde, eine kompakte und im Aufbau einfache Vorrichtung mit wenigen Bewegungskomponenten zur Finishbearbeitung von Wellen anzugeben, die sich aufgrund ihrer Konstruktion durch eine hohe, unveränderliche Steifigkeit auszeichnet.The invention has for its object a compact and simple device with few movement components for finishing of shafts, specify the due to their construction, constant rigidity.

    Ausgehend von einer Vorrichtung des eingangs beschriebenen Aufbaus wird die Aufgabe erfindungsgemäß dadurch gelöst, dass die Querführung aus einem an dem Träger geführten Hauptschlitten besteht, der werkstückseitig einen gabelförmigen Kopf aufweist, und dass die Führungsschiene für die Linearführung des Andrückschuhs zwischen die Schenkel des gabelförmigen Kopfes eingesetzt ist. Vorzugsweise sind an der Führungsschiene zwei Andrückschuhe beweglich geführt, deren Arbeitsflächen das Werkstück umgreifen. Die Arbeitsflächen können mit hohen Steinen bestückt oder für den Betrieb mit einem Finishband ausgelegt sein. Zur Erzeugung des für die Finishbearbeitung erforderlichen Druckes können die Andrückschuhe durch eine elektromechanische, hydraulische oder pneumatische Spanneinrichtung miteinander verbunden sein. Der Stellweg der Spanneinrichtung ist zweckmäßig so eingerichtet, dass die Andrückschuhe zum Be- und Entladen eines Werkstückes weit auseinandergefahren werden können.Starting from a device of the initially described According to the invention, the object is achieved by that the transverse guide consists of a guided on the carrier Main slide exists, one on the workpiece has forked head, and that the guide rail for the linear guidance of the pressure shoe between the Leg of the fork-shaped head is inserted. There are preferably two pressure shoes on the guide rail movably guided, the work surfaces of the workpiece reach around. The work surfaces can be made with high stones equipped or for operation with a finishing tape be designed. To generate the for finishing required pressure can be the pressure shoes by a electromechanical, hydraulic or pneumatic clamping device be connected. The travel path of the The tensioning device is expediently set up so that the Pressure shoes for loading and unloading a workpiece far can be moved apart.

    Vorzugsweise ist der Hauptschlitten radial zur Rotationsachse des Werkstückes ausgerichtet. Bei der Werkstückbearbeitung ist die Führung des Hauptschlittens frei von Biegemomenten, so dass eine leichtgängige und präzise Führung der Querführung gewährleistet ist.The main slide is preferably radial to Rotation axis of the workpiece aligned. In the Workpiece machining is the guiding of the main slide free of bending moments, so that a smooth and precise guidance of the transverse guide is guaranteed.

    Die Andrückschuhe sind als vorkragende Bauteile ausgebildet und weisen an ihrem rückwärtigen Ende einen an der Führungsschiene geführten Schlitten sowie an ihrem vorstehenden Ende eine das Werkstück bogenförmig umgreifende Arbeitsfläche auf.The pressure shoes are designed as projecting components and have one at the rear end on the guide rail guided sled and on their protruding End of a workpiece encompassing an arc Work surface.

    Es versteht sich, dass bei der Bearbeitung der Haupt- und Hublager einer Kurbelwelle oder bei Bearbeitung einer Nockenwelle eine Mehrzahl der beschriebenen Vorrichtungen in Werkstücklängsrichtung nebeneinander angeordnet sind. Nach der Finishbearbeitung eines Werkstückes werden die Andrückschuhe in Öffnungsstellungen bewegt und das Werkstück entnommen. Das Einlegen eines neuen Werkstückes kann erheblich vereinfacht werden, wenn die Hauptschlitten der nebeneinander angeordneten Vorrichtungen ihre Positionen exakt beibehalten. Gemäß einer bevorzugten Ausführung der Erfindung weist der Hauptschlitten daher ein rückwärtiges über den Träger vorstehendes Ende auf, das arretierbar ist, wenn das Werkstück nicht bearbeitet wird. Vorzugsweise ist dem rückwärtigen Ende eine Positioniervorrichtung sowie eine Klemmvorrichtung zugeordnet und weist das rückwärtige Ende ein Profil auf, welches mit der Positioniervorrichtung zusammenwirkt. Bei einer Betätigung der Positioniervorrichtung nimmt der Hauptschlitten eine durch das Profil des rückwärtigen Endes vorgegebene Stellung ein. Bei einer Betätigung der Klemmvorrichtung ist das rückwärtige Ende ferner in beliebigen Stellungen fixierbar.It is understood that when editing the main and Pin bearing of a crankshaft or when machining one Camshaft a plurality of the devices described are arranged side by side in the longitudinal direction of the workpiece. After finishing a workpiece, the pressure shoes are moved into opening positions and the workpiece taken. Inserting a new workpiece can be significant be simplified if the main slide of the juxtaposed devices their positions exactly maintained. According to a preferred embodiment of the Invention therefore the main slide has a rear end protruding above the carrier, which can be locked, if the workpiece is not being machined. Preferably the rear end a positioning device and assigned a clamping device and has the rear End a profile, which with the positioning device cooperates. When the positioning device is actuated the main sled takes one through the profile of the position at the rear end. At a Actuation of the clamping device is the rear end also fixable in any position.

    Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung erläutert. Es zeigen schematisch

    Fig. 1
    eine Vorrichtung zur Finishbearbeitung von Hublagern einer Kurbelwelle,
    Fig. 2
    eine am rückwärtigen Ende der Vorrichtung angeordnete Positionier- und Klemmeinrichtung.
    In the following the invention will be explained with reference to a drawing showing only one embodiment. They show schematically
    Fig. 1
    a device for finish machining pin bearings of a crankshaft,
    Fig. 2
    a positioning and clamping device arranged at the rear end of the device.

    Zum grundsätzlichen Aufbau der Vorrichtung gehören ein Träger 1, mindestens ein Andrückschuh 2 und eine Linearführung 3 des Andrückschuhs 2. Die Linearführung 3 des Andrückschuhs 2 bildet mit einer Querführung 4 des die Linearführung tragenden Bauteils ein Kreuzführungssystem, welches der Umlaufbewegung des um seine Rotationsachse rotierenden Werkstückes 5 folgt. Mehrere der dargestellten Vorrichtungen sind bei der Finishbearbeitung einer Kurbelwelle in Werkstücklängsrichtung nebeneinander angeordnet. Der Rotationsantrieb für das Werkstück und ein üblicherweise ebenfalls vorgesehener Axial-Oszillationsantrieb für axiale Relativbewegungen zwischen Werkstück 5 und den Andrückschuhen 2 sind nicht dargestellt.The basic structure of the device includes Carrier 1, at least one pressure shoe 2 and one Linear guide 3 of the pressure shoe 2. The linear guide 3 of the pressure shoe 2 forms with a transverse guide 4 of the Linear guide carrying component a cross guide system, which is the orbital movement of the around its axis of rotation rotating workpiece 5 follows. Several of the shown Fixtures are one in finishing Crankshaft side by side in the longitudinal direction of the workpiece arranged. The rotary drive for the workpiece and a Axial oscillation drive usually also provided for axial relative movements between Workpiece 5 and the pressure shoes 2 are not shown.

    Die Querführung 4 besteht aus einem an dem Träger 1 geführten Hauptschlitten 6, der werkstückseitig einen gabelförmigen Kopf 7 aufweist. Die Führungsschiene 8 für die Linearführung 3 der Andrückschuhe 2 ist zwischen die Schenkel des gabelförmigen Kopfes 7 eingesetzt, wobei die Führungsflächen durch eine bewegliche Abdeckung, z. B. durch einen Faltenbalg, geschützt werden können. An der Führungsschiene 8 sind zwei Andrückschuhe 2 beweglich geführt, deren Arbeitsflächen das Werkstück 5 umgreifen. Die Arbeitsflächen können mit Honsteinen bestückt oder für den Betrieb eines Finishbandes ausgelegt sein. Die Andrückschuhe 2 sind untereinander durch eine Spanneinrichtung 9 miteinander verbunden. Im Ausführungsbeispiel ist eine hydraulische Spanneinrichtung 9 angedeutet. Die Spanneinrichtung 9 kann aber ebenso gut als elektromechanische oder pneumatische Einrichtung ausgeführt werden.The transverse guide 4 consists of a on the carrier 1st guided main slide 6, the workpiece one has fork-shaped head 7. The guide rail 8 for the linear guide 3 of the pressure shoes 2 is between the Leg of the fork-shaped head 7 used, the Guide surfaces through a movable cover, e.g. B. can be protected by a bellows. At the Guide rail 8, two pressure shoes 2 are movable performed, the work surfaces encompass the workpiece 5. The work surfaces can be equipped with honing stones or for the operation of a finishing belt. The Pressure shoes 2 are mutually by a tensioning device 9 connected to each other. In the embodiment a hydraulic tensioning device 9 is indicated. The Clamping device 9 can as well as Electromechanical or pneumatic device executed become.

    Der Hauptschlitten 6 ist radial zur Wellenachse des Werkstückes 5 ausgerichtet. Die bei einer Umlaufbewegung des Werkstückes ausgeführten Stellbewegungen des Hauptschlittens 6 sowie der Andrückschuhe 2 sind in Fig. 1 durch strichpunktierte Linien angedeutet.The main slide 6 is radial to the shaft axis of the workpiece 5 aligned. The in a circular movement of the Adjustment movements of the main slide performed on the workpiece 6 and the pressure shoes 2 are in Fig. 1 by dash-dotted lines indicated.

    Die Andrückschuhe 2 sind als vorkragende Bauteile ausgebildet und weisen an ihrem rückwärtigen Ende einen an der Führungsschiene geführten Schlitten 10 sowie an ihrem vorstehenden Ende eine das Werkstück bogenförmig umgreifende Arbeitsfläche auf.The pressure shoes 2 are cantilevered components trained and instruct one at their rear end the guide rail guided carriage 10 and on her protruding end an arcuate the workpiece comprehensive work surface.

    Der Hauptschlitten 6 weist ein rückwärtiges, über den Träger vorstehendes Ende 11 auf, das mit einer in Fig. 2 dargestellten Einrichtung positionierbar und arretierbar ist, wenn das Werkstück nicht bearbeitet wird. Die in Fig. 2 dargestellte Einrichtung umfasst eine Positioniervorrichtung 12 sowie eine Klemmvorrichtung 13.The main carriage 6 has a rear, over the Carrier protruding end 11, which with a in Fig. 2nd shown device can be positioned and locked is when the workpiece is not being machined. In the 2 shows a positioning device 12 and a clamping device 13.

    Die Positioniervorrichtung 12 wirkt mit einem Profil 14 des rückwärtigen Endes 11 zusammen. Durch Betätigung der Positioniervorrichtung 12 ist der Hauptschlitten 6 in eine durch das Profil 14 vorgegebene Stellung bewegbar. Wenn die Vorrichtung zur Finishbearbeitung erstmals mit einem neuen Werkstück 5 beschickt wird, werden alle Hauptschlitten 6 mit Hilfe ihrer zugeordneten Positioniervorrichtung 12 in eine durch das Profil 14 vorgegebene Mittellage gebracht. Bei weit auseinander gefahrenen Andrückschuhen 2 wird das Werkstück 5 z. B. eine Kurbelwelle, in die Vorrichtung eingelegt. Zunächst erfolgt die Einspannung der in der Rotationsachse liegenden Hauptlagerflächen des Werkstückes. Nacheinander werden dann die zu bearbeitenden Hublagerflächen des Werkstückes in die Positionen "12 Uhr" oder "6 Uhr" gebracht und die zugeordneten Andrückschuhe 2 an die zu bearbeitende Hublagerfläche angelegt. Sobald die Andrückschuhe 2 an der zu bearbeitenden Hublagerfläche anliegen, wird die Positioniervorrichtung 12 gelöst, so dass der Hauptschlitten 6 frei beweglich ist. Die Vorgänge werden wiederholt, bis alle Andrückschuhe 2 an den zu bearbeitenden Hublagerflächen anliegen. Damit ist das sogenannte "Teach in" abgeschlossen und kann mit einer Serienproduktion begonnen werden.The positioning device 12 acts with a profile 14 of the rear end 11 together. By pressing the Positioning device 12 is the main slide 6 in one through the profile 14 predetermined position movable. If the Finishing device for the first time with a new one Workpiece 5 is loaded, all main slides 6 using their associated positioning device 12 in brought a predetermined by the profile 14 central position. If the pressure shoes 2 are moved far apart, this becomes Workpiece 5 z. B. a crankshaft, in the device inserted. First, the clamping in the Main bearing surfaces of the workpiece lie in the axis of rotation. One after the other, the ones to be processed Lifting bearing surfaces of the workpiece in the "12 o'clock" positions or "6 o'clock" and the assigned pressure shoes 2 applied to the lifting bearing surface to be processed. As soon as the Pressure shoes 2 on the lifting bearing surface to be machined apply, the positioning device 12 is released, so that the main slide 6 is freely movable. The processes are repeated until all pressure shoes 2 on the machining pin bearing surfaces. That’s it So-called "Teach in" completed and can be done with a Series production can be started.

    Nach erfolgter Finishbearbeitung eines ersten Werkstückes wird die bearbeitete Kurbelwelle in einer vorher bestimmten Winkellage positioniert. Bevor das bearbeitete Werkstück 5 entnommen wird, werden die Hauptschlitten 6 durch die zugeordneten Klemmvorrichtungen 13 in den durch die Winkellage des Werkstückes bestimmten Positionen fixiert. Nunmehr kann das bearbeitete Werkstück 5 entnommen und im Rahmen der Serienproduktion ein neues Werkstück zur Bearbeitung eingelegt werden.After finishing the first workpiece the machined crankshaft is determined in a predetermined manner Angular position positioned. Before the machined workpiece 5 is removed, the main slide 6 by the assigned Clamps 13 in the angular position of the workpiece fixed positions. Now can the machined workpiece 5 removed and within the Series production of a new workpiece for machining be inserted.

    Claims (7)

    Vorrichtung zur Finishbearbeitung von Wellen, insbesondere von Kurbel- und Nockenwellen, mit einem Träger (1), mindestens einem Andrückschuh (2) und einer Linearführung (3) des Andrückschuhs (2), wobei die Linearführung (3) des Andrückschuhs (2) mit einer Querführung (4) des die Linearführung (3) tragenden Bauteils ein Kreuzführungssystem bildet, welches der Umlaufbewegung des um seine Rotationsachse rotierenden Werkstückes (5) folgt, dadurch gekennzeichnet, dass die Querführung (4) aus einem an dem Träger (1) geführten Hauptschlitten (6) besteht, der werkstückseitig einen gabelförmigen Kopf (7) aufweist, und dass die Führungsschiene (8) für die Linearführung (3) des Andrückschuhs (2) zwischen die Schenkel des gabelförmigen Kopfes (7) eingesetzt ist.Device for finishing shafts, in particular crankshafts and camshafts, with a carrier (1), at least one pressure shoe (2) and a linear guide (3) of the pressure shoe (2), wherein the linear guide (3) of the pressure shoe (2) forms a cross guide system with a transverse guide (4) of the component carrying the linear guide (3), which follows the rotational movement of the workpiece (5) rotating about its axis of rotation, characterized in that the transverse guide ( 4) consists of a main slide (6) guided on the carrier (1), which has a fork-shaped head (7) on the workpiece side, and that the guide rail (8) for the linear guide (3) of the pressure shoe (2) between the legs of the fork-shaped Head (7) is inserted. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass an der Führungsschiene (8) zwei Andrückschuhe (2) beweglich geführt sind, deren Arbeitsflächen das Werkstück (5) umgreifen.Device according to claim 1, characterized in that two pressure shoes (2) are movably guided on the guide rail (8), the working surfaces of which grip around the workpiece (5). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Andrückschuhe (2) durch eine elektromechanische, hydraulische oder pneumatische Spanneinrichtung (9) miteinander verbunden sind.Device according to claim 2, characterized in that the pressure shoes (2) are connected to one another by an electromechanical, hydraulic or pneumatic tensioning device (9). Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Hauptschlitten (6) radial zur Rotationsachse des Werkstückes (5) ausgerichtet ist.Device according to one of claims 1 to 3, characterized in that the main slide (6) is aligned radially to the axis of rotation of the workpiece (5). Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Andrückschuhe (2) als vorkragende Bauteile ausgebildet sind und an ihrem rückwärtigen Ende einen an der Führungsschiene (8) geführten Schlitten (10) sowie an ihrem vorstehenden Ende eine das Werkstück (5) bogenförmig umgreifende Arbeitsfläche aufweisen.Device according to one of claims 1 to 4, characterized in that the pressure shoes (2) are designed as projecting components and at their rear end a slide (10) guided on the guide rail (8) and at their projecting end a workpiece (5 ) have an arched work surface. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Hauptschlitten (6) ein rückwärtiges über den Träger (1) vorstehendes Ende (11) aufweist, das arretierbar ist, wenn das Werkstück (5) nicht bearbeitet wird.Device according to one of claims 1 to 5, characterized in that the main slide (6) has a rear end (11) which projects beyond the carrier (1) and which can be locked when the workpiece (5) is not being machined. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass dem rückwärtigen Ende (11) eine Positioniervorrichtung (12) und eine Klemmvorrichtung (13) zugeordnet ist, wobei das rückwärtige Ende (11) ein Profil (14) aufweist, welches mit der Positioniervorrichtung (12) zusammenwirkt, und bei einer Betätigung der Positioniervorrichtung (12) eine durch das Profil (14) vorgegebene Stellung einnimmt und wobei das rückwärtige Ende (11) bei Betätigung der Klemmvorrichtung (13) in beliebigen Stellungen fixierbar ist.Apparatus according to claim 6, characterized in that the rear end (11) is assigned a positioning device (12) and a clamping device (13), the rear end (11) having a profile (14) which is connected to the positioning device (12) cooperates, and assumes a position predetermined by the profile (14) when the positioning device (12) is actuated, and the rear end (11) can be fixed in any position when the clamping device (13) is actuated.
    EP20000104645 2000-03-03 2000-03-03 Finishing machine for crankshafts and camshafts Expired - Lifetime EP1147851B1 (en)

    Priority Applications (2)

    Application Number Priority Date Filing Date Title
    EP20000104645 EP1147851B1 (en) 2000-03-03 2000-03-03 Finishing machine for crankshafts and camshafts
    DE50000078T DE50000078D1 (en) 2000-03-03 2000-03-03 Device for finishing shafts, in particular crankshafts and camshafts

    Applications Claiming Priority (1)

    Application Number Priority Date Filing Date Title
    EP20000104645 EP1147851B1 (en) 2000-03-03 2000-03-03 Finishing machine for crankshafts and camshafts

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    EP1147851A1 true EP1147851A1 (en) 2001-10-24
    EP1147851B1 EP1147851B1 (en) 2001-11-14

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    Cited By (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1800799A1 (en) * 2005-12-22 2007-06-27 Aktiebolaget SKF A vibration device for a super finishing apparatus and an attachment tool comprising the vibration device
    US8670384B2 (en) 2007-01-31 2014-03-11 Telefonaktiebolaget L M Ericsson (Publ) Cell searching system and method
    CN109227266A (en) * 2018-09-01 2019-01-18 浙江众亿智能科技有限公司 A kind of fork handle edge grinding device of fork
    CN109290896A (en) * 2018-09-01 2019-02-01 浙江众亿智能科技有限公司 A kind of fork handle surface batch grinding device of fork

    Citations (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19607821A1 (en) * 1996-03-01 1997-09-04 Nagel Masch Werkzeug Finisher for outer periphery of crankshafts or camshafts
    DE19607776A1 (en) * 1996-03-01 1997-09-04 Nagel Masch Werkzeug Finishing outer surfaces of machine crankshafts and camshafts

    Patent Citations (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19607821A1 (en) * 1996-03-01 1997-09-04 Nagel Masch Werkzeug Finisher for outer periphery of crankshafts or camshafts
    DE19607776A1 (en) * 1996-03-01 1997-09-04 Nagel Masch Werkzeug Finishing outer surfaces of machine crankshafts and camshafts

    Cited By (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1800799A1 (en) * 2005-12-22 2007-06-27 Aktiebolaget SKF A vibration device for a super finishing apparatus and an attachment tool comprising the vibration device
    US8100741B2 (en) 2005-12-22 2012-01-24 Aktiebolaget Skf Vibration device for a super finishing apparatus and an attachment tool comprising the vibration device
    US8670384B2 (en) 2007-01-31 2014-03-11 Telefonaktiebolaget L M Ericsson (Publ) Cell searching system and method
    CN109227266A (en) * 2018-09-01 2019-01-18 浙江众亿智能科技有限公司 A kind of fork handle edge grinding device of fork
    CN109290896A (en) * 2018-09-01 2019-02-01 浙江众亿智能科技有限公司 A kind of fork handle surface batch grinding device of fork
    CN109290896B (en) * 2018-09-01 2020-09-04 浙江众亿智能科技有限公司 Fork handle surface batch grinding device of fork

    Also Published As

    Publication number Publication date
    EP1147851B1 (en) 2001-11-14
    DE50000078D1 (en) 2002-02-21

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