EP1481761A1 - Finishing machine for crankshafts and camshafts - Google Patents

Finishing machine for crankshafts and camshafts Download PDF

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Publication number
EP1481761A1
EP1481761A1 EP03011786A EP03011786A EP1481761A1 EP 1481761 A1 EP1481761 A1 EP 1481761A1 EP 03011786 A EP03011786 A EP 03011786A EP 03011786 A EP03011786 A EP 03011786A EP 1481761 A1 EP1481761 A1 EP 1481761A1
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EP
European Patent Office
Prior art keywords
workpiece
tool
bearing shafts
head piece
tool carrier
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
EP03011786A
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German (de)
French (fr)
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EP1481761B1 (en
Inventor
Horst Steinwender
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.)
Thielenhaus Technologies GmbH
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Thielenhaus Technologies 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 Thielenhaus Technologies GmbH filed Critical Thielenhaus Technologies GmbH
Priority to EP20030011786 priority Critical patent/EP1481761B1/en
Priority to DE50303194T priority patent/DE50303194D1/en
Publication of EP1481761A1 publication Critical patent/EP1481761A1/en
Application granted granted Critical
Publication of EP1481761B1 publication Critical patent/EP1481761B1/en
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Expired - Lifetime legal-status Critical Current

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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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
    • 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
    • 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

  • a device with the features described is from the publication DE 100 09 980 C1 known.
  • the tool carrier has a cross guide system on, which by linear movements in two Axes follows the workpiece movements.
  • the tool carrier has a hydraulic, electromechanical or pneumatic operated pressure shoe on which the to be processed Tightly encloses the workpiece surface. With an arrangement several tool carriers for simultaneous machining several surfaces of the workpiece is initially one so - called “teaching" required to determine the position of the individual tool carrier to the shape of the workpiece adapt.
  • the invention has for its object a device specify an exact, simple and quick finish processing of shafts, especially crankshafts and camshafts, allows.
  • the task is solved in that two Bearing shafts are arranged parallel to the workpiece, the Shape corresponds to the workpiece, the bearing shafts synchronous and in phase with the workpiece around its axes rotate and the workpiece carrier on peripheral surfaces of the bearing shafts is mounted, that of the to be machined Correspond to the surface of the workpiece.
  • the bearing shafts can Be copies of the workpiece or from existing ones machined workpieces exist.
  • the rotary drive can over the workpiece and / or one or both bearing shafts respectively.
  • the ends of the head piece embrace the Machining surface of the workpiece.
  • the headpiece can here consist of at least two pressure shoes that Deliverable radially to the machining surface or swiveling are interconnected.
  • it can Headpiece can also be fork-shaped. In this case it is possible to manufacture the tool carrier in one piece.
  • An abrasive belt is preferably used as a tool, which partially wraps around the workpiece both ends of the head is taut. At the head ends can rotate rollers for low-friction guidance of the Abrasive belt may be arranged. It can also be useful be that within the wrap around the headpiece at least one pressure roller arranged on the tool carrier the sanding belt is also attached to the processing surface presses.
  • the sanding belt can run continuously or clocked past the workpiece.
  • the sanding belt as an endless belt around one on the tool carrier arranged pulley tensioned. The pulley is equipped with a drive that runs the movement of the tape.
  • the invention teaches that on the the end of the tool carrier opposite the head piece another head piece with tools for simultaneous Finish processing a second synchronously and in phase to the bearing shafts rotating workpiece around its axis is arranged, the shape of the first workpiece equivalent. This allows simultaneous editing of two identical workpieces.
  • the figures each show a device for finishing processing of waves, especially of crank and Camshafts.
  • the device has a tool carrier 1 on which the orbital movement of one around its axis of rotation A rotating workpiece 2, in the present case a Crankshaft follows.
  • a tool 4 for finishing the Crankshaft 2 arranged on a head piece 3 of the tool carrier 1 .
  • Tool 4 uses an abrasive belt.
  • Parallel to the workpiece 2 two bearing shafts 5,5 'are arranged, the Shape corresponds to the workpiece 2.
  • the bearing shafts 5.5 ' can be copies of the workpiece 2, or else also consist of workpieces that have already been machined.
  • the Bearing shafts 5.5 ' rotate synchronously and in phase with the Workpiece 2 about its axes B, B ', the rotary drive via one or both bearing shafts 5,5 '.
  • the workpiece carrier 1 is on peripheral surfaces 6,6 'of the bearing shafts 5.5 'stored, the surface to be machined 7 of the Workpiece 2 correspond.
  • the device allows one simple constructive design as well as precise Storage of the tool holder 1.
  • the position of the tool holder 1 is defined by the two bearing shafts 5,5 ', so before clamping the crankshaft to be machined 2 no additional devices for adjusting the Tool carrier 1 are required. After relaxing the machined crankshaft 2 is retained by the tool carrier 1 its position at, making it quicker and easier Workpiece change is made possible.
  • the head piece 3 is fork-shaped, so that the Ends 10, 10 'of the head piece the machining surface 7 of the workpiece 2.
  • the fork-shaped tool carrier 1 is in one piece and therefore inexpensive to manufacture.
  • the sanding belt 4 runs continuously or clocked on workpiece 2 past.
  • the grinding belt 4 is an endless belt formed, which by a on the tool carrier 1st arranged deflection roller 12 is tensioned.
  • the pulley 12 has a drive, not shown, which Running movement of the grinding belt 4 enables.
  • the workpiece 2 or the bearing shafts 5.5 'with the attached Tool carriers 1,1 ', 1 are on a sliding Delivery carriage (not shown) arranged.
  • the head piece 3 consists of two pressure shoes 13, 13 ', which are pivotally connected to one another.
  • the pressure shoes 13, 13 ' can be hydraulic, for example, be operated electromechanically or pneumatically.
  • On the tool carrier 1 is one connected to one end of the grinding belt 4, rotatable dispenser roll wrapped by the grinding belt 4 15 and one with the other end of the grinding belt 4 connected winding roll 16 arranged.
  • drive 16 can selectively fresh from the donor roll 15 Sanding belt can be unwound while at the same time already used areas of the grinding belt 4 on the Winding roll 16 are rolled up.
  • Fig. 3 shows an embodiment of the invention, at the at the head 17 opposite end 17 of the Tool carrier 1 another from the grinding belt 4th covered head piece 3 'for simultaneous finish processing a second synchronous and in phase with the Bearing shafts 5.5 'rotating crankshaft about their axis A' 2 'is arranged, the shape of the first crankshaft 2 equivalent.
  • the Device complete two crankshafts 2,2 'simultaneously to edit.
  • the two crankshafts 2,2 'on two separate slidable Delivery carriage (not shown) arranged.

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

Abstract

Device for finishing shafts, especially crankshafts and camshafts, comprises at least one tool support (1) following the rotating motion of a workpiece (2) rotating about an axis of rotation (A), and at least one tool (4) arranged on a head part (3) of the tool support for finishing the workpiece. Two bearing shafts (5, 5') having a shape corresponding to that of the workpiece are arranged parallel to the workpiece. The bearing shafts are rotated about their axes (B, B') synchronously and in phase with the workpiece. The tool support is mounted on the peripheral surfaces (6, 6') of the bearing shafts which correspond to the surface (7) of the workpiece to be machined. Preferred Features: Several tool supports (1, 1', 1'') are arranged along the bearing shafts for simultaneous machining of the surfaces (7-9) of the workpiece.

Description

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

  • mindestens einem Werkzeugträger, der der Umlaufbewegung eines um seine Rotationsachse rotierenden Werkstückes folgt, und
  • mindestens einem an einem Kopfstück des Werkzeugträgers angeordneten Werkzeug zur Finishbearbeitung des Werkstückes.
    • The invention relates to a device for finishing shafts, in particular crankshafts and camshafts
  • at least one tool carrier which follows the orbital movement of a workpiece rotating about its axis of rotation, and
  • at least one tool arranged on a head piece of the tool carrier for finishing the workpiece.

    • Eine Vorrichtung mit den beschriebenen Merkmalen ist aus der Druckschrift DE 100 09 980 C1 bekannt. Bei der bekannten Vorrichtung weist der Werkzeugträger ein Kreuzführungssystem auf, welches durch Linearbewegungen in zwei Achsen den Werkstückbewegungen folgt. Der Werkzeugträger weist einen hydraulisch, elektromechanisch oder pneumatisch betriebenen Andrückschuh auf, der die zu bearbeitende Werkstückoberfläche fest umschließt. Bei einer Anordnung mehrerer Werkzeugträger zur gleichzeitigen Bearbeitung mehrerer Oberflächen des Werkstückes ist zunächst ein sogenanntes "Teaching" erforderlich, um die Position der einzelnen Werkzeugträger an die Gestalt des Werkstückes anzupassen.A device with the features described is from the publication DE 100 09 980 C1 known. With the known The tool carrier has a cross guide system on, which by linear movements in two Axes follows the workpiece movements. The tool carrier has a hydraulic, electromechanical or pneumatic operated pressure shoe on which the to be processed Tightly encloses the workpiece surface. With an arrangement several tool carriers for simultaneous machining several surfaces of the workpiece is initially one so - called "teaching" required to determine the position of the individual tool carrier to the shape of the workpiece adapt.

    Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung anzugeben, die ein exaktes, einfaches und schnelles Finishbearbeiten von Wellen, insbesondere von Kurbel- und Nockenwellen, ermöglicht.The invention has for its object a device specify an exact, simple and quick finish processing of shafts, especially crankshafts and camshafts, allows.

    Ausgehend von einer Vorrichtung mit den eingangs beschriebenen Merkmalen wird die Aufgabe dadurch gelöst, dass zwei Lagerwellen parallel zum Werkstück angeordnet sind, deren Gestalt dem Werkstück entspricht, wobei die Lagerwellen synchron und phasengleich zum Werkstück um ihre Achsen rotieren und wobei der Werkstückträger an Umfangsflächen der Lagerwellen gelagert ist, die der zu bearbeitenden Fläche des Werkstückes entsprechen. Die Lagerwellen können Kopien des Werkstückes sein oder aber auch aus bereits bearbeiteten Werkstücken bestehen. Der Rotationsantrieb kann über das Werkstück und/oder eine oder beide Lagerwellen erfolgen.Starting from a device with those described in the introduction Features the task is solved in that two Bearing shafts are arranged parallel to the workpiece, the Shape corresponds to the workpiece, the bearing shafts synchronous and in phase with the workpiece around its axes rotate and the workpiece carrier on peripheral surfaces of the bearing shafts is mounted, that of the to be machined Correspond to the surface of the workpiece. The bearing shafts can Be copies of the workpiece or from existing ones machined workpieces exist. The rotary drive can over the workpiece and / or one or both bearing shafts respectively.

    Vorzugsweise sind entlang der Lagerwellen mehrere Werkzeugträger zur gleichzeitigen Bearbeitung von Werkstückflächen des Werkstückes angeordnet. Dies ermöglicht eine komplette Werkstückbearbeitung in einem einzigen Bearbeitungsvorgang. Da die Position der Werkzeugträger durch die Lagerwellen festgelegt ist, ist kein "Teaching" mehr erforderlich, um die Positionen der Werkzeugträger an die Gestalt des Werkstückes anzupassen.There are preferably several tool carriers along the bearing shafts for simultaneous machining of workpiece surfaces arranged of the workpiece. This enables a complete Workpiece processing in a single machining process. Because the position of the tool carrier through the bearing shafts is set, "teaching" is no longer required to the positions of the tool carriers to the shape of the workpiece adapt.

    Vorzugsweise umgreifen die Enden des Kopfstückes die Bearbeitungsoberfläche des Werkstückes. Das Kopfstück kann hierbei aus mindestens zwei Andrückschuhen bestehen, die radial zur Bearbeitungsoberfläche zustellbar oder schwenkbeweglich miteinander verbunden sind. Alternativ kann das Kopfstück auch gabelförmig ausgebildet sein. In diesem Fall ist es möglich, den Werkzeugträger einstückig herzustellen.Preferably, the ends of the head piece embrace the Machining surface of the workpiece. The headpiece can here consist of at least two pressure shoes that Deliverable radially to the machining surface or swiveling are interconnected. Alternatively, it can Headpiece can also be fork-shaped. In this case it is possible to manufacture the tool carrier in one piece.

    Vorzugsweise wird als Werkzeug ein Schleifband verwendet, welches das Werkstück teilweise umschlingend zwischen den beiden Kopfstückenden gespannt ist. An den Kopfstückenden können drehbewegliche Rollen zur reibungsarmen Führung des Schleifbandes angeordnet sein. Ferner kann es zweckmäßig sein, dass innerhalb der Umgreifung des Kopfstückes mindestens eine Andrückrolle am Werkzeugträger angeordnet ist, die das Schleifband zusätzlich an die Bearbeitungsoberfläche andrückt. Das Schleifband kann kontinuierlich oder getaktet an dem Werkstück vorbeilaufen. Vorzugsweise ist das Schleifband als Endlosband um eine an dem Werkzeugträger angeordnete Umlenkrolle gespannt. Die Umlenkrolle ist mit einem Antrieb ausgerüstet, der die Laufbewegung des Bandes ermöglicht. Alternativ kann an dem Werkzeugträger auch eine mit dem einen Ende des Schleifbandes verbundene, von dem Schleifband umwickelte drehbewegliche Spenderrolle und eine mit dem anderen Ende des Schleifbandes verbundene Aufwickelrolle angeordnet sein. Von der Spenderrolle wird frisches Schleifband abgewickelt, während gleichzeitig benutztes Schleifband auf der mit einem Antrieb ausgerüsteten Aufwickelrolle aufgewickelt wird. Im Rahmen der Erfindung liegt auch die Verwendung eines Werkzeuges, welches mit dem Werkstück eine linienförmige Berührungsfläche bildet, z. B. eines Honsteines.An abrasive belt is preferably used as a tool, which partially wraps around the workpiece both ends of the head is taut. At the head ends can rotate rollers for low-friction guidance of the Abrasive belt may be arranged. It can also be useful be that within the wrap around the headpiece at least one pressure roller arranged on the tool carrier the sanding belt is also attached to the processing surface presses. The sanding belt can run continuously or clocked past the workpiece. Preferably is the sanding belt as an endless belt around one on the tool carrier arranged pulley tensioned. The pulley is equipped with a drive that runs the movement of the tape. Alternatively, on the Tool carrier also one with one end of the sanding belt connected rotatable, wrapped by the grinding belt Donor role and one with the other end of the Abrasive belt connected take-up reel. Fresh sanding belt is unwound from the dispenser roll, while simultaneously using the sanding belt on the a take-up reel equipped with a drive becomes. The use also lies within the scope of the invention a tool that is linear with the workpiece Contact surface forms, for. B. a honing stone.

    In weiterer Ausgestaltung lehrt die Erfindung, dass an dem dem Kopfstück gegenüberliegenden Ende des Werkzeugträgers ein weiteres Kopfstück mit Werkzeug zur gleichzeitigen Finishbearbeitung eines zweiten synchron und phasengleich zu den Lagerwellen um seine Achse rotierenden Werkstückes angeordnet ist, dessen Gestalt dem ersten Werkstück entspricht. Dies erlaubt die gleichzeitige Bearbeitung von zwei gleichen Werkstücken.In a further embodiment, the invention teaches that on the the end of the tool carrier opposite the head piece another head piece with tools for simultaneous Finish processing a second synchronously and in phase to the bearing shafts rotating workpiece around its axis is arranged, the shape of the first workpiece equivalent. This allows simultaneous editing of two identical workpieces.

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

    Fig. 1
    eine Seitenansicht einer erfindungsgemäßen Vorrichtung zur Finishbearbeitung von Wellen,
    Fig. 2
    und 3 weitere Ausgestaltungen der erfindungsgemäßen Vorrichtung ebenfalls in einer Seitenansicht.
    In the following, the invention is explained in detail on the basis of a drawing representing only one exemplary embodiment. They show schematically:
    Fig. 1
    2 shows a side view of a device according to the invention for finishing shafts,
    Fig. 2
    and 3 further refinements of the device according to the invention also in a side view.

    Die Figuren zeigen jeweils eine Vorrichtung zur Finishbearbeitung von Wellen, insbesondere von Kurbel- und Nockenwellen. Die Vorrichtung weist einen Werkzeugträger 1 auf, der der Umlaufbewegung eines um seine Rotationsachse A rotierenden Werkstückes 2, im vorliegenden Fall einer Kurbelwelle, folgt. An einem Kopfstück 3 des Werkzeugträgers 1 ist ein Werkzeug 4 zur Finishbearbeitung der Kurbelwelle 2 angeordnet. Im Ausführungsbeispiel wird als Werkzeug 4 ein Schleifband verwendet. Parallel zum Werkstück 2 sind zwei Lagerwellen 5,5' angeordnet, deren Gestalt dem Werkstück 2 entspricht. Die Lagerwellen 5,5' können hierbei Kopien des Werkstückes 2 sein, oder aber auch aus bereits bearbeiteten Werkstücken bestehen. Die Lagerwellen 5,5' rotieren synchron und phasengleich zum Werkstück 2 um ihre Achsen B,B', wobei der Rotationsantrieb über eine oder beide Lagerwellen 5,5' erfolgt. Der Werkstückträger 1 ist an Umfangsflächen 6,6' der Lagerwellen 5,5' gelagert, die der zu bearbeitenden Fläche 7 des Werkstückes 2 entsprechen. Die Vorrichtung erlaubt eine einfache konstruktive Gestaltung sowie eine präzise Lagerung des Werkzeugträgers 1. Die Position des Werkzeugträgers 1 ist durch die beiden Lagerwellen 5,5' festgelegt, so dass vor dem Einspannen der zu bearbeitenden Kurbelwelle 2 keine zusätzlichen Vorrichtungen zur Justierung des Werkzeugträgers 1 erforderlich sind. Nach dem Ausspannen der bearbeiteten Kurbelwelle 2 behält der Werkzeugträger 1 seine Position bei, wodurch ein schneller und einfacher Werkstückwechsel ermöglicht wird. Zur gleichzeitigen Bearbeitung mehrerer Werkstückflächen 7,8,9 des Werkstückes sind entlang der Lagerwellen 5,5' mehrere Werkzeugträger 1, 1' 1 , 1 ' ' angeordnet, die aus Gründen der Übersichtlichkeit lediglich mit gestrichelten Linien angedeutet sind. Hierdurch ist ein vollständiges, präzises und schnelles Finishen aller zu bearbeitenden Flächen des Werkstückes in einem einzigen Bearbeitungsvorgang möglich. Bei der erfindungsgemäßen Vorrichtung ist kein "Teaching" mehr erforderlich, da die Positionen der einzelnen Werkzeugträger 1,1',1" durch die Lagerwellen 5,5' vorgegeben ist.The figures each show a device for finishing processing of waves, especially of crank and Camshafts. The device has a tool carrier 1 on which the orbital movement of one around its axis of rotation A rotating workpiece 2, in the present case a Crankshaft follows. On a head piece 3 of the tool carrier 1 is a tool 4 for finishing the Crankshaft 2 arranged. In the exemplary embodiment is as Tool 4 uses an abrasive belt. Parallel to the workpiece 2, two bearing shafts 5,5 'are arranged, the Shape corresponds to the workpiece 2. The bearing shafts 5.5 ' can be copies of the workpiece 2, or else also consist of workpieces that have already been machined. The Bearing shafts 5.5 'rotate synchronously and in phase with the Workpiece 2 about its axes B, B ', the rotary drive via one or both bearing shafts 5,5 '. The workpiece carrier 1 is on peripheral surfaces 6,6 'of the bearing shafts 5.5 'stored, the surface to be machined 7 of the Workpiece 2 correspond. The device allows one simple constructive design as well as precise Storage of the tool holder 1. The position of the tool holder 1 is defined by the two bearing shafts 5,5 ', so before clamping the crankshaft to be machined 2 no additional devices for adjusting the Tool carrier 1 are required. After relaxing the machined crankshaft 2 is retained by the tool carrier 1 its position at, making it quicker and easier Workpiece change is made possible. For simultaneous Machining several workpiece surfaces 7,8,9 of the workpiece are several tool carriers along the bearing shafts 5,5 ' 1, 1 '1, 1' 'arranged for reasons of clarity are only indicated with dashed lines. This is a complete, precise and quick Finish all surfaces of the workpiece to be machined in possible in a single machining operation. In the The device according to the invention is no longer "teaching" required because of the positions of the individual tool carriers 1.1 ', 1 "is predetermined by the bearing shafts 5.5'.

    Das Kopfstück 3 ist gabelförmig ausgebildet, so dass die Enden 10,10' des Kopfstückes die Bearbeitungsoberfläche 7 des Werkstückes 2 umgreifen. An den Kopfstückenden 10,10' sind drehbewegliche Rollen 11,11' zur Führung des Schleifbandes 4 angeordnet, welches zwischen den beiden Kopfstückenden 10,10' gespannt ist und dabei die Kurbelwelle 2 teilweise umschlingt. Der gabelförmige Werkzeugträger 1 ist einstückig und daher kostengünstig herstellbar. Durch die Umschlingung des Werkstückes 2 gewährleistet das Schleifband 4 eine große Andrückoberfläche. Das Schleifband 4 läuft kontinuierlich oder getaktet an dem Werkstück 2 vorbei. In Fig. 1 ist das Schleifband 4 als Endlosband ausgebildet, welches um eine an dem Werkzeugträger 1 angeordnete Umlenkrolle 12 gespannt ist. Die Umlenkrolle 12 besitzt einen nicht dargestellten Antrieb, der die Laufbewegung des Schleifbandes 4 ermöglicht. Das Werkstück 2 oder die Lagerwellen 5,5' mit den daran befestigten Werkzeugträgern 1,1',1" sind auf einem verschiebbaren (nicht dargestellten) Zustellschlitten angeordnet.The head piece 3 is fork-shaped, so that the Ends 10, 10 'of the head piece the machining surface 7 of the workpiece 2. At the ends 10,10 ' are rotatable rollers 11, 11 'for guiding the grinding belt 4 arranged, which between the two head ends 10,10 'is tensioned and the crankshaft 2 partially wraps around. The fork-shaped tool carrier 1 is in one piece and therefore inexpensive to manufacture. Through the Wrapping the workpiece 2 ensures the grinding belt 4 a large pressing surface. The sanding belt 4 runs continuously or clocked on workpiece 2 past. In Fig. 1, the grinding belt 4 is an endless belt formed, which by a on the tool carrier 1st arranged deflection roller 12 is tensioned. The pulley 12 has a drive, not shown, which Running movement of the grinding belt 4 enables. The workpiece 2 or the bearing shafts 5.5 'with the attached Tool carriers 1,1 ', 1 "are on a sliding Delivery carriage (not shown) arranged.

    In Fig. 2 besteht das Kopfstück 3 aus zwei Andrückschuhen 13,13', die schwenkbeweglich miteinander verbunden sind. Die Andrückschuhe 13,13' können beispielsweise hydraulisch, elektromechanisch oder auch pneumatisch betrieben werden. Innerhalb der Umgreifung ist eine zusätzliche Andrückrolle 14 am Werkzeugträger 1 angeordnet. An dem Werkzeugträger 1 ist eine mit dem einen Ende des Schleifbandes 4 verbundene, von dem Schleifband 4 umwickelte drehbewegliche Spenderrolle 15 und eine mit dem anderen Ende des Schleifbandes 4 verbundene Aufwickelrolle 16 angeordnet. Durch die mit einem (nicht dargestellten) Antrieb ausgerüstete Aufwickelrolle 16 kann von der Spenderrolle 15 gezielt frisches Schleifband abgewickelt werden, während gleichzeitig bereits benutzte Bereiche des Schleifbandes 4 auf der Aufwickelrolle 16 aufgerollt werden. In Fig. 2, the head piece 3 consists of two pressure shoes 13, 13 ', which are pivotally connected to one another. The pressure shoes 13, 13 'can be hydraulic, for example, be operated electromechanically or pneumatically. There is an additional pressure roller within the grip 14 arranged on the tool carrier 1. On the tool carrier 1 is one connected to one end of the grinding belt 4, rotatable dispenser roll wrapped by the grinding belt 4 15 and one with the other end of the grinding belt 4 connected winding roll 16 arranged. By with a take-up reel equipped (not shown) drive 16 can selectively fresh from the donor roll 15 Sanding belt can be unwound while at the same time already used areas of the grinding belt 4 on the Winding roll 16 are rolled up.

    Die Fig. 3 zeigt eine Ausführungsform der Erfindung, bei der an dem dem Kopfstück 3 gegenüberliegenden Ende 17 des Werkzeugträgers 1 ein weiteres von dem Schleifband 4 umspanntes Kopfstück 3' zur gleichzeitigen Finishbearbeitung einer zweiten synchron und phasengleich zu den Lagerwellen 5,5' um ihre Achse A' rotierenden Kurbelwelle 2' angeordnet ist, deren Gestalt der ersten Kurbelwelle 2 entspricht. Auf diese Weise ist es möglich, mit der Vorrichtung zwei Kurbelwellen 2,2' gleichzeitig vollständig zu bearbeiten. In diesem Fall sind zweckmäßigerweise die beiden Kurbelwellen 2,2' auf zwei separaten verschiebbaren (nicht dargestellten) Zustellschlitten angeordnet.Fig. 3 shows an embodiment of the invention, at the at the head 17 opposite end 17 of the Tool carrier 1 another from the grinding belt 4th covered head piece 3 'for simultaneous finish processing a second synchronous and in phase with the Bearing shafts 5.5 'rotating crankshaft about their axis A' 2 'is arranged, the shape of the first crankshaft 2 equivalent. In this way it is possible with the Device complete two crankshafts 2,2 'simultaneously to edit. In this case, the two crankshafts 2,2 'on two separate slidable Delivery carriage (not shown) arranged.

    Claims (9)

    Vorrichtung zur Finishbearbeitung von Wellen, insbesondere von Kurbel- und Nockenwellen, mit mindestens einem Werkzeugträger (1), der der Umlaufbewegung eines um seine Rotationsachse (A) rotierenden Werkstückes (2) folgt, und mindestens einem an einem Kopfstück (3) des Werkzeugträgers (1) angeordneten Werkzeug (4) zur Finishbearbeitung des Werkstückes gekennzeichnet durch zwei parallel zum Werkstück (2) angeordnete Lagerwellen (5,5'), deren Gestalt dem Werkstück (2) entspricht, wobei die Lagerwellen (5,5') synchron und phasengleich zum Werkstück (2) um ihre Achsen (B,B') rotieren und wobei der Werkzeugträger (1) an Umfangsflächen (6,6') der Lagerwellen (5,5') gelagert ist, die der zu bearbeitenden Fläche (7) des Werkstückes (2) entsprechen.Device for finishing shafts, in particular crankshafts and camshafts, with at least one tool carrier (1) which follows the orbital movement of a workpiece (2) rotating about its axis of rotation (A), and at least one tool (4) arranged on a head piece (3) of the tool carrier (1) for finishing the workpiece characterized by two bearing shafts (5,5 ') arranged parallel to the workpiece (2), the shape of which corresponds to the workpiece (2), the bearing shafts (5,5') being synchronous and in phase with the workpiece (2) about their axes (B, B ') rotate and the tool carrier (1) is mounted on peripheral surfaces (6,6') of the bearing shafts (5,5 ') which correspond to the surface (7) of the workpiece (2) to be machined. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass entlang der Lagerwellen (5,5') mehrere Werkzeugträger (1,1',1") zur gleichzeitigen Bearbeitung von Werkstückflächen (7,8,9) des Werkstückes (2) angeordnet sind.Device according to claim 1, characterized in that a plurality of tool carriers (1,1 ', 1 ") are arranged along the bearing shafts (5,5') for the simultaneous machining of workpiece surfaces (7,8,9) of the workpiece (2). Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Enden (10,10') des Kopfstückes (3) die Bearbeitungsoberfläche (7) des Werkstückes (2) umgreifen. Device according to claim 1 or 2, characterized in that the ends (10, 10 ') of the head piece (3) encompass the machining surface (7) of the workpiece (2). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Kopfstück (3) aus mindestens zwei Andrückschuhen (13,13') besteht, die radial zur Bearbeitungsoberfläche (7) zustellbar oder schwenkbeweglich miteinander verbunden sind.Apparatus according to claim 3, characterized in that the head piece (3) consists of at least two pressure shoes (13, 13 '), which are connected to one another radially to the processing surface (7) or can be pivoted together. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Kopfstück (3) gabelförmig ausgebildet ist.Apparatus according to claim 3, characterized in that the head piece (3) is fork-shaped. Vorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass das Werkzeug (4) als Schleifband ausgebildet ist, welches das Werkstück (2) teilweise umschlingend zwischen den beiden Kopfstückenden (10,10') gespannt ist.Device according to one of claims 3 to 5, characterized in that the tool (4) is designed as an abrasive belt, which partially wraps the workpiece (2) between the two ends of the head piece (10, 10 '). Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass das Schleifband (4) als Endlosband um eine an dem Werkzeugträger (1) angeordnete drehbewegliche Umlenkrolle (12) gespannt ist.Apparatus according to claim 6, characterized in that the grinding belt (4) is stretched as an endless belt around a rotatable deflection roller (12) arranged on the tool carrier (1). Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass an dem Werkzeugträger (1,1',1") eine mit dem einen Ende des Schleifbandes (4) verbundene, von dem Schleifband (4) umwickelte drehbewegliche Spenderrolle (13) und eine mit dem anderen Ende des Schleifbandes (4) verbundene drehbewegliche Aufwickelrolle (16) angeordnet ist.Apparatus according to claim 6, characterized in that on the tool carrier (1, 1 ', 1 ") one rotatable dispenser roller (13) connected to one end of the grinding belt (4) and wrapped by the grinding belt (4) and one with the other End of the grinding belt (4) connected rotatable take-up reel (16) is arranged. Vorrichtung nach Anspruch 1 bis 8, dadurch gekennzeichnet, dass an dem dem Kopfstück (3) gegenüberliegenden Ende (17) des Werkzeugträgers (1,1',1" ) ein weiteres Kopfstück (3') mit Werkzeug (4) zur gleichzeitigen Finishbearbeitung eines zweiten synchron und phasengleich zu den Lagerwellen (5,5') um seine Achse (A') rotierenden Werkstückes (2') angeordnet ist, dessen Gestalt dem ersten Werkstück (2) entspricht.Device according to Claims 1 to 8, characterized in that at the end (17) of the tool carrier (1, 1 ', 1 ") opposite the head piece (3) there is a further head piece (3') with a tool (4) for simultaneous finishing of a second synchronous and in phase with the bearing shafts (5,5 ') around its axis (A') rotating workpiece (2 ') is arranged, the shape of which corresponds to the first workpiece (2).
    EP20030011786 2003-05-24 2003-05-24 Finishing machine for crankshafts and camshafts Expired - Lifetime EP1481761B1 (en)

    Priority Applications (2)

    Application Number Priority Date Filing Date Title
    EP20030011786 EP1481761B1 (en) 2003-05-24 2003-05-24 Finishing machine for crankshafts and camshafts
    DE50303194T DE50303194D1 (en) 2003-05-24 2003-05-24 Device for finish machining of shafts, in particular crankshafts and camshafts

    Applications Claiming Priority (1)

    Application Number Priority Date Filing Date Title
    EP20030011786 EP1481761B1 (en) 2003-05-24 2003-05-24 Finishing machine for crankshafts and camshafts

    Publications (2)

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    EP1481761A1 true EP1481761A1 (en) 2004-12-01
    EP1481761B1 EP1481761B1 (en) 2006-05-03

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    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    JP2006315168A (en) * 2005-04-11 2006-11-24 Nissan Motor Co Ltd Machining method and machining device for crankshaft

    Citations (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE10009980C1 (en) * 2000-03-03 2001-08-23 Thielenhaus Ernst Gmbh & Co Kg Device for finishing shafts, in particular crankshafts and camshafts

    Patent Citations (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE10009980C1 (en) * 2000-03-03 2001-08-23 Thielenhaus Ernst Gmbh & Co Kg Device for finishing shafts, in particular crankshafts and camshafts

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    JP2006315168A (en) * 2005-04-11 2006-11-24 Nissan Motor Co Ltd Machining method and machining device for crankshaft

    Also Published As

    Publication number Publication date
    DE50303194D1 (en) 2006-06-08
    EP1481761B1 (en) 2006-05-03

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