EP1675706A1 - Systeme d'usinage par enlevement de copeaux de culasses - Google Patents

Systeme d'usinage par enlevement de copeaux de culasses

Info

Publication number
EP1675706A1
EP1675706A1 EP04764891A EP04764891A EP1675706A1 EP 1675706 A1 EP1675706 A1 EP 1675706A1 EP 04764891 A EP04764891 A EP 04764891A EP 04764891 A EP04764891 A EP 04764891A EP 1675706 A1 EP1675706 A1 EP 1675706A1
Authority
EP
European Patent Office
Prior art keywords
machining
tools
cylinder head
tool
cylinder heads
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04764891A
Other languages
German (de)
English (en)
Inventor
Oliver Doerfel
Thomas Hornig
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1675706A1 publication Critical patent/EP1675706A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q41/00—Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
    • B23Q37/007—Modular machining stations designed to be linked to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/04—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q41/00—Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
    • B23Q41/04—Features relating to relative arrangements of machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49995—Shaping one-piece blank by removing material
    • Y10T29/49996—Successive distinct removal operations

Definitions

  • the invention relates to a machining system for machining cylinder heads, in particular cylinder heads for cars.
  • transfer lines are conventionally used, which consist of several individual stations that are rigidly interlinked.
  • the cylinder head to be machined passes through these stations sequentially, with a different machining step being carried out on the cylinder head in each of the stations.
  • Such transfer lines are very inflexible due to the rigid succession of the individual stations.
  • machining centers To increase the flexibility of the cylinder head machining system, some (or all) of these stations can be replaced by flexible machining centers.
  • Each of these machining centers has one or more tool spindles as well as a tool changing system with which the spindles can be equipped with different tools.
  • the sequential use of these tools on the spindle of the machining center enables a large number of different machining operations to be carried out on the cylinder head. While the machining centers allow a high degree of flexibility, their use is associated with high proportions of unproductive idle times (due to the Tool change), which reduce the effectiveness of the manufacturing system.
  • the invention is based on the object of proposing a machining center for cylinder heads which on the one hand is very flexible and on the other hand enables a considerable reduction in machining times on cylinder heads.
  • At least some of the spindles are arranged in the working space of the machine tool in such a way that the tools attached to them are at the same time can engage on the cylinder head. Due to this multi-spindle machining, the main time when machining the cylinder heads can be greatly reduced.
  • the machine tools are expediently designed to be flexible, so that the tools and spindles can be arranged at different points and under different orientations within the machine. Then the machine tools for different machining stations have the same basic structure, but are equipped with different spindles and tools depending on the machining station. Maintenance is made considerably easier due to the uniform basic structure of the machines. Furthermore, a replacement machine can be quickly configured and replaced in the event of a machine failure. Finally, the machines can be easily and quickly reconfigured if another cylinder head type is to be machined.
  • the spindles that hold the tools can be slidably or pivotably mounted in the machine tool in order to be able to carry out several machining steps on the cylinder head with the same tool.
  • all the axes of movement are concentrated in the cylinder head to be machined in the machine tools.
  • the spindles or the tools are fixed and immovable in the machine tool; the relative movements that the cylinder head makes during the machining in relation to the tools of the machine tool take place with the aid of a multi-axis movable clamping device on which the cylinder head is mounted.
  • These machine tools are preferably used at all stations of the machining system. These stations differ in terms of the angular orientation in which the cylinder heads are processed, and are sequentially run through by the cylinder heads. Each station comprises one or more machine tools on which the cylinder heads are machined. All machine tools belonging to a given station are equipped the same. The machine tools of different stations differ in terms of their tooling, so that each of these machine tools only has the tools that are required for machining the cylinder heads in the respective clamping corresponding to this station.
  • the cylinder head is fed to the machine tools using a transport system.
  • the cylinder head - in accordance with the respective station - is received in a predetermined orientation on a clamping head and moved through the working area of the machine tool with the aid of a displacement unit.
  • Figure 1 is a schematic view of a processing system for cylinder heads according to the prior art.
  • Fig. 2 is a schematic view of a machining system for cylinder heads according to the invention.
  • Fig. 3 is a perspective view of a machine tool.
  • FIG. 1 shows a conventional machining system 101 for machining cylinder heads for cars.
  • the system 101 comprises six processing stations 102a to 102f which are sequentially run through in the course of the cylinder head machining. the.
  • the cylinder heads are processed in different angular orientations (OP20, OP40, ).
  • a cylinder head blank 3 is first fed to the processing station 102a at the beginning of the processing.
  • this machining station 102a with the aid of several machine tools 104a, 105a, 106a etc., different machining steps (milling operations, drilling operations etc.) are carried out on the cylinder head blank 3 in the orientation OP20.
  • the cylinder head blank 3 is sequentially fed to the machine tools 104a, 105a, 106a by means of a conveyor device 107a, each of which effects a different machining operation on the blank 3.
  • Each of the machine tools 104a, 105a, 106a, etc. is therefore fixed to a specific machining task (fixed cylinder head clamping, fixed machining tool).
  • the cylinder head blank 3 is fed to the next processing station 102b with the aid of a conveyor device (shown schematically as an arrow) 108.
  • This machining station 102b comprises four identically equipped flexible machining centers 109, in which the cylinder head blank 3 is subjected to machining in the orientation OP40.
  • Each of these flexible machining centers 109 is equipped such that the entire machining program corresponding to the orientation OP40 can be executed in it; these flexible machining centers 109 are thus arranged parallel to one another, so that the cylinder head blank 3 only passes through one of these flexible machining centers 109.
  • Each of the flexible machining centers 109 is equipped with a spindle and a tool magazine that contains all the tools required for machining the cylinder head in the OP40 orientation. In the course of the cylinder Head machining in the work cells 109, different tools are used, which are placed one after the other from the tool magazine of the work cell 109 onto the spindle of this work cell 109.
  • the cylinder head blank 3 is transported into the processing station 102c, in which it is processed with the aid of the flexible processing centers 109 'in the OP50 orientation.
  • These flexible machining centers 109 ' are also arranged parallel to one another, so that each cylinder head blank 3 passes through only one of these flexible machining centers 109'.
  • the machining centers 109 ' differ only in relation to the clamping of the cylinder head and the tools that are kept in the tool magazine.
  • the cylinder head blanks 3 are then fed to the processing station 102d, in which they are processed in an orientation OP60.
  • This machining station 102d is similar to station 102a in that it also comprises a number of machine tools 110, 111, 112, etc., which are sequentially run through; Each cylinder head 3 is thus fed in succession to all machine tools 110, 111, 112, etc. with the aid of a conveying device 113 and machined there with the aid of a specific tool.
  • This also applies analogously to the processing stations 102e and 102f, in which the cylinder head blanks 3 in the orientations OP90 or OP120 pass through several machine tools sequentially.
  • the machining of the cylinder head 3 is then ended.
  • the conventional processing system 101 is thus a hybrid system with rigid components (transfer lines 102a, 102d, 102e, 102f) and flexible components (work cells 109, 109 'in stations 102b and 102c).
  • a machining system 1 according to the invention for machining cylinder heads 3 is shown in FIG.
  • the cylinder head machining takes place in six machining stations 2a to 2f, each of these machining stations corresponding to a defined angular orientation (OP20, OP40, ...) of the cylinder head 3.
  • three machine tools 9 are provided for machining the cylinder head 3 in the orientation OP20, which are configured and equipped identically.
  • the cylinder head 3 to be machined is fed to one of these three machine tools 9, where it is available, and machined there.
  • FIG. 3 shows a perspective view of the machine tool 9.
  • the machine 9 comprises a clamping device 5, by means of which the cylinder head 3 is received in the orientation OP20.
  • the clamping device 5 is mounted on a displacement unit (not shown in FIG. 3), by means of which the cylinder head can be displaced in the working space 6 of the machine tool 9.
  • the machine tool 9 comprises a plurality of fixed spindles 7, in which tools 8 (drills, milling cutters, ...) are received. These tools 8 thus project from below, from above and laterally into the working space 6 of the machine tool 9.
  • the spindles 7 can be driven individually, but can also be coupled; some of them are arranged in the work space 6 of the machine tool 9 in such a way that several machining operations of the cylinder head 3 can be carried out simultaneously with the aid of the tools 8 guided on them. For example, after the cylinder head 3 has been displaced with the aid of the displacement unit, your 7 'has been positioned - with the help of the tools 8' held therein, several drilling operations can be carried out simultaneously on the cylinder head 3.
  • each spindle 7 bears in the machine tools 9, 7 'a fixed tool 8,8'. While large (unproductive) idle times result from the tool change in the machine tools 109, the machine tools 9 are almost free of idle times. A further time saving arises from the fact that several of the tools 8, 8 'can simultaneously engage the cylinder head 3.
  • the cylinder head 3 is moved with the aid of a conveyor system 4 into one of the machine tools 10 of the machining station 2b, where the cylinder head 3 is machined in the direction OP40.
  • the machine tools 10 correspond in terms of their basic structure to the machine tools 9, but they have a different set of spindles and tools which are arranged in the working space of the machine tool 10 in such a way that, with the aid of the tools held in these spindles, all machining steps of the orientation OP40 of the Cylinder head 3 can be performed.
  • the cylinder head 3 After the machining of the cylinder head 3 " in one of the machine tools 10 of the station 2b, the cylinder head 3 is brought into one of the machine tools 11 of the station 2c, in which it is machined in the orientation OP50. Machining takes place in station 2d (in one of the machines 12), station 2e (in one of the machines 13) and Station 2f (in machine 14).
  • station 2d in one of the machines 12
  • station 2e in one of the machines 13
  • Station 2f in machine 14
  • the basic construction of each of these machine types 11, 12, 13, 14 corresponds to that of machines 9 and 10 and has a set of spindles and tools which are firmly held in these spindles and are required for machining the cylinder head in the associated orientation.
  • the number of machine tools 9, 10, ... in the machining stations 2a to 2f corresponds to the machining times of the cylinder heads 3 in the associated orientation OP20, OP40, ...
  • the stations 2a and 2c there is an extensive machining program through the cylinder heads 3, more (namely three) machine tools 9, 11 are provided than in the remaining stations.
  • the throughput times of the cylinder heads 3 can be optimized by the machining system 1.
  • the machine tools 9, 10, ... are identical in terms of their basic structure, but differ in terms of their equipment, i.e. on the position and orientation of the spindles 7,7 'and the tools 8,8' held in the spindles 7,7 '.
  • This allows machine tools 9 in station 2a to be converted, for example, to machine tools 10 in station 2b by providing the machine tool 9 with other spindles and equipping these spindles with other tools.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Multi-Process Working Machines And Systems (AREA)

Abstract

L'invention concerne un système d'usinage par enlèvement de copeaux de culasses (3), lequel comprend plusieurs stations d'usinage où les culasses (3) à usiner sont usinées selon diverses orientations. Chaque station d'usinage comprend une machine-outil (9) ou plusieurs machines-outils identiques. Chaque machine-outil (9) comporte plusieurs broches (7, 7') dont au moins certaines sont pourvues d'un outil (8, 8') fixé. Une culasse (3) est, à l'aide d'une unité de déplacement, déplacée dans l'espace de travail (6) de la machine-outil (9) et positionnée par rapport aux outils (8, 8') de telle sorte que ces outils (8, 8') viennent en contact l'un après l'autre ou simultanément avec la culasse (3). Avec un tel système d'usinage, il est possible de réduire sensiblement les temps morts lors de l'usinage par enlèvement de copeaux de culasses (3).
EP04764891A 2003-10-24 2004-09-07 Systeme d'usinage par enlevement de copeaux de culasses Withdrawn EP1675706A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10349697A DE10349697B4 (de) 2003-10-24 2003-10-24 Bearbeitungssystem zur spanenden Bearbeitung von Zylinderköpfen
PCT/EP2004/009946 WO2005049268A1 (fr) 2003-10-24 2004-09-07 Systeme d'usinage par enlevement de copeaux de culasses

Publications (1)

Publication Number Publication Date
EP1675706A1 true EP1675706A1 (fr) 2006-07-05

Family

ID=34485004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04764891A Withdrawn EP1675706A1 (fr) 2003-10-24 2004-09-07 Systeme d'usinage par enlevement de copeaux de culasses

Country Status (6)

Country Link
US (1) US20070271765A1 (fr)
EP (1) EP1675706A1 (fr)
JP (1) JP2007508948A (fr)
KR (1) KR100745294B1 (fr)
DE (1) DE10349697B4 (fr)
WO (1) WO2005049268A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107335969B (zh) * 2017-05-31 2019-03-01 安庆中船动力配套有限公司 一种缸盖生产加工系统及方法
CN112453836B (zh) * 2020-11-27 2022-08-12 一拖(洛阳)柴油机有限公司 一种发动机轴承盖的生产制作方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3928139A1 (de) 1989-08-25 1991-02-28 Audi Ag Verfahren zum fertigen von werkstuecken, insbesondere von fahrzeug-anriebsaggegaten, sowie einrichtung zur durchfuehrung des verfahrens
DE19744157A1 (de) 1997-10-07 1999-04-08 Heller Geb Gmbh Maschf Werkzeugmaschinengruppe mit zwei einander gegenüberstehenden Bearbeitungseinheiten
DE10163445A1 (de) 2001-12-21 2003-07-03 Grob Werke Burkhart Grob Ek Bearbeitungsanlage
DE10302985A1 (de) 2002-03-22 2003-10-23 Grob Werke Burkhart Grob Ek Bearbeitungszentrum

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001018102A (ja) * 1999-07-07 2001-01-23 Toyota Motor Corp トランスファマシン
EP1346788A3 (fr) * 2002-03-22 2003-10-22 GROB-Werke Burkhart Grob e.K. Centre d'usinage
DE20304653U1 (de) * 2002-07-09 2004-03-18 Grob-Werke Burkhart Grob E.K. Bearbeitungsstation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3928139A1 (de) 1989-08-25 1991-02-28 Audi Ag Verfahren zum fertigen von werkstuecken, insbesondere von fahrzeug-anriebsaggegaten, sowie einrichtung zur durchfuehrung des verfahrens
DE19744157A1 (de) 1997-10-07 1999-04-08 Heller Geb Gmbh Maschf Werkzeugmaschinengruppe mit zwei einander gegenüberstehenden Bearbeitungseinheiten
DE10163445A1 (de) 2001-12-21 2003-07-03 Grob Werke Burkhart Grob Ek Bearbeitungsanlage
DE10302985A1 (de) 2002-03-22 2003-10-23 Grob Werke Burkhart Grob Ek Bearbeitungszentrum

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
ELHA MASCHINENBAU: "Fertigungsmodule - Vom Entwickler der Fertigungsmodule - die neue Generation der rekonfigurierbaren Werkzeugmaschinen", BROSCHURE, pages 1 - 12, XP003021486
ELHA MASCHINENBAU: "Fertigungssysteme - Hochproduktive Bearbeitungsloesungen fuer komplexe Zerspanungsaufgaben", BROSCHURE, pages 1 - 8, XP003021487
ELHA-MASCHINENBAU LIEMKE KG: "FM 3+X Fertigungsmodul - extrem kurze Nebenzeiten", BROSCHURE, August 2002 (2002-08-01), pages 1 - 10, XP003021483
FM 3+X, Zylinderkopf fuer Bremszylinder von ELHA-Maschinenbau Liemke KG
HUIJBERS M., MESZAROS I.: "Hartgewindedreher - verkuerzt die Prozesskette", WB, 2002, pages 33 - 35, XP003021484
See also references of WO2005049268A1

Also Published As

Publication number Publication date
KR100745294B1 (ko) 2007-08-01
JP2007508948A (ja) 2007-04-12
WO2005049268A1 (fr) 2005-06-02
DE10349697A1 (de) 2005-05-25
KR20060061394A (ko) 2006-06-07
DE10349697B4 (de) 2007-03-29
US20070271765A1 (en) 2007-11-29

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