WO2024101991A1 - Ensemble d'usinage et procédé d'échange d'un outil d'usinage - Google Patents

Ensemble d'usinage et procédé d'échange d'un outil d'usinage Download PDF

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Publication number
WO2024101991A1
WO2024101991A1 PCT/NL2023/050590 NL2023050590W WO2024101991A1 WO 2024101991 A1 WO2024101991 A1 WO 2024101991A1 NL 2023050590 W NL2023050590 W NL 2023050590W WO 2024101991 A1 WO2024101991 A1 WO 2024101991A1
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WO
WIPO (PCT)
Prior art keywords
tool
machining
cnc
assembly
spindle heads
Prior art date
Application number
PCT/NL2023/050590
Other languages
English (en)
Inventor
Frans Herman VOLMER
Original Assignee
Voortman Steel Machinery Holding B.V.
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 Voortman Steel Machinery Holding B.V. filed Critical Voortman Steel Machinery Holding B.V.
Publication of WO2024101991A1 publication Critical patent/WO2024101991A1/fr

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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
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/02—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station
    • B23Q39/021—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like
    • B23Q39/025—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like with different working directions of toolheads on same workholder
    • B23Q39/026—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like with different working directions of toolheads on same workholder simultaneous working of toolheads
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/15526—Storage devices; Drive mechanisms therefor
    • B23Q3/15536—Non-rotary fixed racks
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15773—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking the tool from a storage device and passing it on to other transfer devices, which insert it in a spindle

Definitions

  • the invention relates to a machining assembly for automatically machining a metal elongate profile shaped workpiece, as well as to a method of exchanging a machining tool in such a machining assembly.
  • a known machining assembly comprises a CNC -spindle head configured to machine one side of the workpiece and to exchangeably receive a machining tool.
  • the known machining assembly further comprises a tool bank configured to hold a plurality of machining tools, for example including drill bits, each suitable for the CNC-spindle head.
  • a tool exchanger assembly may be configured to selectively exchange machining tools between the tool bank and the CNC- spindle head, in particular as an automated alternative to manual exchange of machining tools.
  • An object of the present invention is to make the machining of metal elongate profile shaped workpieces more efficient, more versatile and/or more user friendly, in particular with respect to exchanging machining tools.
  • An object is to at least partly resolve one or more disadvantages associated with a known machining assembly for automatically machining such workpieces, in particular while maintaining and/or extending existing advantages.
  • An object is to at least provide an alternative method of exchanging a machining tool in such a machining assembly.
  • An aspect of the invention provides a machining assembly for automatically machining a metal elongate profile shaped workpiece.
  • the machining assembly comprises at least three CNC-spindle heads.
  • a first CNC-spindle head of the at least three CNC-spindle heads is configured to machine a first lateral side of the workpiece.
  • a second CNC-spindle head of the at least three CNC-spindle heads is configured to machine a second lateral side of the workpiece opposite the first lateral side.
  • a third CNC- spindle head of the at least three CNC-spindle heads is configured to machine an upwardly directed side of the workpiece.
  • Each CNC-spindle head is configured to exchangeably receive a machining tool and controllable to simultaneously machine with each other of the at least three CNC- spindle heads the workpiece using the received machining tool.
  • the machining assembly further comprises a conveyor for transporting the workpiece along an X-axis with respect to the at least three CNC-spindle heads, the X-axis corresponding to a main axis of the elongate workpiece.
  • the machining assembly further comprises: a tool bank configured to hold a plurality of machining tools each suitable for each of the at least three CNC-spindle heads; and a tool exchanger assembly configured to selectively exchange machining tools between the tool bank on the one hand and any one of the at least three CNC-spindle heads on the other hand.
  • such a tool bank and tool exchanger assembly enable the machining assembly to use machining tools more efficiently, in particular by operationally sharing a same set of machining tools among the at least three CNC-spindle heads.
  • a set may be referred to as a pool of machining tools.
  • the pool may comprise, e.g. consist of, all machining tools held by the machining assembly, e.g. by the tool bank, by any of the CNC- spindle heads, and/or by any other part of the machining assembly.
  • only one or two of such tools in the pool may suffice to enable each of the at least three CNC-spindle heads to use such a tool.
  • a total number of machining tools in the machining assembly may be reduced while an availability of machining tools for each of the CNC-spindle heads can be maintained or even be improved.
  • the availability of tools may be improved while the total number of machining tools can be maintained or even reduced.
  • the machining assembly can be more versatile and can be easier to use, in particular with a reduced operator work load regarding manual handling of tools.
  • machining tool refers to a tool which is configured to be exchangeably received by a CNC-spindle head, to be brought in contact with the workpiece for machining the workpiece by said contact.
  • relevant machining tools may include tool bits, for example a drill bit, a tap bit, a milling bit and a reamer bit.
  • Such machining tools are generally subject to wear as a result of the contact with the workpiece and hence may generally need replacing after some amount of use. Next to wear, which is relatively predictable, breakage may also occur which can happen at any time and is therefore not predictable.
  • the spindle head may also be used to mount a touch probe for performing measurements or a marking tool.
  • a further aspect provides a method of exchanging a machining tool in a machining assembly for automatically machining a metal workpiece.
  • the method comprises: providing a machining assembly as described herein; and, using the tool exchanger assembly, selectively exchanging a machining tool between the tool bank on the one hand and any one of the at least three CNC-spindle heads on the other hand.
  • Fig. 1 shows a perspective view of an example of a machining assembly comprising a tool bank and tool exchanger assembly
  • Fig. 2 shows a perspective view of the tool bank and tool exchanger assembly of Fig. 1; and Fig. 3 shows a front view of a variation of the tool bank and tool exchanger assembly of Fig. 2, with one tool exchanger arm of the tool exchanger assembly in a different position compared to Fig. 2.
  • Fig. 1 shows a machining assembly 2 for automatically machining a metal elongate profile shaped workpiece 4.
  • a relatively small and simple workpiece 4 has been drawn in Fig. 1, wherein it shall be appreciated that metal elongate profile shaped workpieces can have various shapes and sizes, including with much larger lengths than what is shown in Fig. 1.
  • the main axis of the elongate workpiece will generally be aligned with the horizontal X- axis as indicated in the figures.
  • the Y-axis then generally corresponds to a horizontal transverse direction and the Z-axis then generally corresponds to a vertical transverse direction.
  • the machining assembly 2 comprises at least three CNC -spin die heads 6, 8, 10.
  • a first CNC-spindle head 6 of the at least three CNC-spindle heads is configured to machine a first lateral side of the workpiece 4.
  • a second CNC-spindle head 8 of the at least three CNC-spindle heads is configured to machine a second lateral side of the workpiece 4 opposite the first lateral side.
  • a third CNC-spindle head 10 of the at least three CNC- spindle heads is configured to machine an upwardly directed side of the workpiece 4.
  • the first and second CNC-spindle heads 6 and 8 may be directed in mutually opposite directions along the Y-axis, while the third CNC-spindle head 10 may be downwardly directed along the Z-axis.
  • a respective position of each CNC-spindle head 6, 8, 10 with respect to the workpiece 4 is automatically adjustable, in particular in a plane transverse to a main axis of the workpiece 4. In the shown examples, such a transverse plane corresponds to a Y-Z-plane. It shall be appreciated that any one or more of the CNC-spindle heads 6, 8, 10 may additionally or alternatively be automatically adjustable along the X- axis.
  • Each CNC-spindle head 6, 8, 10 is configured to exchangeably receive a machining tool 12 and controllable to simultaneously with each other of the at least three CNC-spindle heads 6, 8, 10 machine the workpiece 4 using the received machining tool 12.
  • CNC-spindle head 8 is shown with a machining tool 12 received thereby, wherein it shall be appreciated that such a machining tool can similarly be received by the other CNC-spindle heads 6 and 10.
  • the machining assembly 2 comprises a conveyor 14 for transporting the workpiece 4 along an X-axis with respect to the at least three CNC-spindle heads 6, 8, 10, the X-axis corresponding to a main axis of the elongate workpiece 4.
  • a conveyor 14 has been indicated highly schematically in Fig. 1 as extending in an X-Y-plane, i.e. corresponding to a horizontal conveyor surface on which the workpiece 4 is supported.
  • suitable conveyors are known as such, including e.g. roller conveyors.
  • a gripper truck assembly (not shown) or other driving means may be provided for driving the workpiece 4 along the conveyor 14.
  • the conveyor itself may be configured to drive the workpiece 4, e.g. by actuation of rollers, a belt, etc.
  • One or more clamping assemblies may be provided at the machining assembly 2 to fixate the workpiece 4 during the machining, in particular clamping from one or more lateral sides of the workpiece 4, i.e. along the Y-axis, to stabilize the workpiece 4 during the machining.
  • the machining assembly 2 further comprises: a tool bank 16 configured to hold a plurality of machining tools 12 each suitable for each of the at least three CNC-spindle heads 6, 8, 10; and a tool exchanger assembly 18 configured to selectively exchange machining tools 12 between the tool bank 16 on the one hand and any one of the at least three CNC- spindle heads 6, 8, 10 on the other hand.
  • Fig. 2 shows the tool bank 16 and tool exchanger assembly 18 of the machining assembly 2 of Fig. 1, from a substantially opposite viewing direction compared to Fig. 1.
  • machining tool 12 in the tool bank 16 has been indicated by a reference sign 12.
  • the tool bank 16 comprises a total of 42 (three rows of 14) of such machining tools in this example. More generally, in embodiments, the number of machining tools 12 which the tool bank 16 is configured to hold is at least 20, preferably at least 30, more preferably at least 40, for example about 42.
  • the tool bank 16 need not necessarily be completely filled with machining tools 12 as shown.
  • one or more positions in the tool bank 16 are at least sometimes open to provide capacity for accepting tools 12 into the tool bank 16, e.g. in exchange for another tool leaving the tool bank 16.
  • the machining tools 12 are shown as drill and milling bits. However, as indicated in the summary above, various different types of machining tools 12 can be used. Also, the machining tools used can generally be of various different sizes, e.g. drill or milling bits can have various diameters. More generally, during use, the tool bank 16 preferably holds a heterogeneous mix of machining tools, wherein the composition of the mix is preferably adapted to an expected tool use during an upcoming period of use of the machining assembly 2.
  • the figures also illustrate an example of a method of exchanging a machining tool 12 in a machining assembly 2 for automatically machining a metal workpiece 4.
  • the method comprises: providing a machining assembly 2 as described herein; and, using the tool exchanger assembly 18, selectively exchanging a machining tool 12 between the tool bank 16 on the one hand and any one of the at least three CNC-spindle heads 6, 8, 10 on the other hand.
  • the tool exchanger assembly 18 comprises at least one tool exchanger arm 22, 24, 26 configured to move a machining tool 12 between a CNC-spindle head receipt position in which the machining tool 12 can be received by one of the CNC-spindle heads 6, 8, 10, and an exchange position of the tool exchanger arm 22, 24, 26.
  • Such a tool exchanger arm 22, 24, 26 can advantageously move a machining tool 12 to and/or from a CNC-spindle head 6, 8, 10.
  • one or more further parts of the tool exchanger assembly 18, in particular a tool transfer device 28 which is explained further elsewhere herein, can be of a relatively simple design.
  • tasks related to tool exchange may be performed in parallel, e.g. with multiple tool exchanger arms 22, 24, 26 operating in parallel with each other and/or in parallel with the tool transfer device 28.
  • FIG. 2 shows two tool exchanger arms 22 and 26 in such an exchange position, whereas one further tool exchanger arm 24 is shown in an intermediate position close to the exchange position.
  • Fig. 3 shows a slight variation of the tool exchanger assembly 18 of Fig. 2 with a corresponding tool exchanger arm 24 in a CNC-spindle head receipt position.
  • the machining tools 12 are held substantially horizontally (along the Y-axis) by the tool exchanger arm 24 so as to facilitate exchange with the correspondingly directed CNC-spindle head 8.
  • the machining tools 12 may be held substantially vertically (along the Z-direction in the drawings) for efficient storage and stable positioning.
  • machining tools 12 could be held in different orientations in a tool bank.
  • CNC-spindle head receipt positions of tool exchanger arms can thus substantially correspond to positions and directions of respective CNC-spindle heads.
  • the CNC-spindle head may be moved along the CNC-spindle head’s main axis towards the tool exchanger arm to engage the machining tool, where after the tool exchanger arm may release the machining tool by moving away from the CNC-spindle head, in particular transverse to the CNC-spindle head’s main axis.
  • the at least one tool exchanger arm 22, 24, 26 comprises a respective tool exchanger arm 22, 24, 26 for each of the CNC-spindle heads 6, 8, 10.
  • tool exchanger arms 22, 24, 26 thus correspond to CNC-spindle heads 6, 8, 10, respectively.
  • each CNC-spindle head 6, 8, 10 can have a respective tool exchanger arm 22, 24, 26 operating substantially independently of the other CNC-spindle heads, thereby further promoting versatility and efficiency of the tool exchanger assembly 18 and the overall machining assembly 2.
  • the tool exchanger assembly 18 further comprises a tool transfer device 28 configured to transfer a machining tool 12 between the tool bank 16 and the at least one tool exchanger arm 22, 24, 26 in its exchange position.
  • the tool transfer device 28 may be configured to transfer machining tools 12 between any of the tool receiving positions of the tool bank and any tool exchanger arm 22, 24, 26 in its exchange position. Additionally, the tool transfer device 28 may be configured to transfer machining tools 12 among further combinations of positions, e.g. to and from a tool receipt station 20 which is explained further elsewhere herein.
  • the tool transfer device 28 comprises a tool engagement unit 30 configured to subsequently engage, lift, lower and release a machining tool 12, wherein the tool transfer device 28 is configured to move the tool engagement unit 30 horizontally between the lifting and the lowering so as to selectively position the tool engagement unit 30 over tool receiving positions of the tool bank 16 and/or over the tool exchanger arms 22, 24, 26 in their exchange positions.
  • each of the tool exchanger arms 22, 24, 26 has a different respective exchange position, wherein the tool transfer device 28 is configured to transfer a machining tool 12 to and from each of the exchange positions.
  • the tool transfer device 28 can for example exchange tools directly between the tool exchanger arms 22, 24, 26. Moreover, the tool exchanger arms 22, 24, 26 can thus always reach their respective exchange position without first having to wait for another of the exchanger arms 22, 24, 26.
  • the tool exchanger arm 22, 24, 26 is configured to hold multiple, e.g. two, machining tools 12 simultaneously for exchanging machining tools 12 at the CNC-spindle head 6, 8, 10 without requiring intermediate use of the tool transfer device 28.
  • a tool exchanger arm 22, 24, 26 may bring one fresh machining tool towards a CNC-spindle head 6, 8, 10, then receive a spent tool from that CNC-spindle head, then cause the CNC-spindle head to receive the fresh machining tool, and only then move back towards the tool bank 16.
  • the tool exchanger arm briefly simultaneously holds two machining tools, i.e. the spent tool and the fresh tool, close to the CNC-spindle head.
  • the overall speed of exchanging tools can be increased compared to when a tool exchanger arm would only hold one machining tool at a time. Consequently, the effective operational time of the respective CNC-spindle head can be increased.
  • each tool exchanger arm 22, 24, 26 can be seen to hold two machining tools 12 at or close to the exchange position. This is merely to illustrate how the arms 22, 24, 26 can be configured to hold two machining tools 12. It shall be appreciated that during use, the number of machining tools held by a tool exchanger arm 22, 24, 26 in its exchange position will generally be less than two, e.g. one or zero.
  • the tool exchanger assembly 18 is configured to exchange a machining tool 12 between the tool bank 16 and one of the CNC- spindle heads 6, 8, 10 while another one of the CNC-spindle heads 6, 8, 10 machines the workpiece 4.
  • a tool exchange for one of the CNC-spindle heads need not affect the effective machining operations of the other CNC- spindle heads, while the at least three CNC-spindle heads can still benefit from the common tool exchanger assembly 18.
  • the machining assembly 2 comprises a tool receipt station 20 outside the tool bank 16.
  • the tool receipt station 20 is configured to receive an additional machining tool 12 for adoption into a pool of usable machining tools 12 held jointly by the tool bank 16, the tool exchanger assembly 18 and the plurality of CNC- spindle heads 6, 8, 10.
  • the tool exchanger assembly 18 may be configured to automatically exchange a machining tool 12 to and/or from the tool receipt station 20, for example from and/or to the tool bank 16.
  • the method comprises: using the tool exchanger assembly 18, adopting an additional machining tool 12 into a pool of usable machining tools 12 held jointly by the tool bank 16, the tool exchanger assembly 18 and the plurality of CNC-spindle heads 6, 8, 10.
  • the tool exchanger assembly 18 is configured to exchange a machining tool 12 directly between the tool receipt station 20 on the one hand and any one of the CNC-spindle heads 6, 8, 10 on the other hand. Additionally or alternatively, in embodiments, the tool exchanger assembly 18 may be configured to exchange a machining tool 12 directly between any two of the at least three CNC-spindle heads 6, 8, 10. Correspondingly, in embodiments, the method comprises: using the tool exchanger assembly 18, transferring a machining tool 12 from one of the CNC-spindle heads 6, 8, 10 directly to another one of the CNC-spindle heads 6, 8, 10. In this context, ‘directly’ can be understood as in particular not via the tool bank 16.
  • the tool bank 16 could be bypassed when a machining tool 12 is exchanged with respect to one or more of the CNC- spindle heads 6, 8, 10, thereby further promoting efficiency and versatility of the machining assembly 2.
  • the machining assembly 2 is configured to automatically mechanically sense a dimension of a machining tool 12 in the machining assembly 2.
  • the method comprises: by the machining assembly 2, automatically mechanically sensing a dimension of a machining tool 12 in the machining assembly 2.
  • the sensing of a dimension of a machining tool 12 may be performed in the tool exchanger assembly 18 so that the machining tool 12 can be measured prior to use.
  • the machining assembly 2 may automatically determine whether a machining tool 12 is suitable for use or e.g. needs to be replaced by a fresh tool, in particular via the tool receipt station 20. Alternatively or additionally, the machining assembly 2 may thus automatically determine an expected remaining machining capacity of the machining tool 12. In this respect, it has been found that mechanical sensing is more robust than e.g. optical sensing, and thus such automatic determining can be particularly reliable and effective.
  • the machining assembly 2 is configured to automatically remove a machining tool 12 from a pool of usable machining tools 12 held jointly by the tool bank 16, the tool exchanger assembly 18 and the at least three CNC-spindle heads 6, 8, 10 in response to a removal criterion, which may be automatically evaluated by the machining assembly 2.
  • the automatic removal may prompt, at least be followed by, a replacement of the spent tool by a fresh tool, e.g. by an operator via the tool receipt station 20.
  • the removal criterion is based on at least one of: an automatic accounting, in particular by the machining assembly 2, of an amount of machining performed using the machining tool 12; and a mechanically sensed dimension of the machining tool 12, in particular sensed by the machining assembly 2.
  • the removal may be effected e.g. by the tool exchanger assembly 18 moving the relevant tool 12 to the tool receipt station 20 for removal therefrom by an operator.
  • the machining assembly 2 may send a corresponding notification to an operator, e.g. via a user interface for the operator.
  • the method comprises: by the machining assembly 2, automatically removing a machining tool 12 from a pool of usable machining tools 12 held jointly by the tool bank 16, the tool exchanger assembly 18 and the plurality of CNC-spindle heads 6, 8, 10, wherein the removing may be dependent on an automatic determination by the machining assembly 2 that the machining tool 12 has become less suitable for use by the CNC-spindle heads 6, 8, 10.
  • the present invention advantageously enables the machining of metal elongate profile shaped workpieces to become more efficient, more versatile and more user friendly, in particular with respect to exchanging machining tools in a machining assembly.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Abstract

L'invention concerne un ensemble d'usinage pour usiner automatiquement une pièce façonnée en forme de profilé allongée métallique, comprenant : au moins trois têtes de broche CNC, chaque tête de broche CNC étant conçue pour recevoir de manière interchangeable un outil d'usinage et pouvant être commandée pour usiner simultanément la pièce à l'aide de l'outil d'usinage reçu ; un convoyeur pour transporter la pièce le long d'un axe X par rapport aux au moins trois têtes de broche CNC, l'axe X correspondant à un axe principal de la pièce allongée ; un banc d'outils conçu pour maintenir une pluralité d'outils d'usinage chacun approprié pour chacune des au moins trois têtes de broche CNC ; et un ensemble échangeur d'outil conçu pour échanger sélectivement des outils d'usinage entre le banc d'outils d'une part et l'une quelconque des au moins trois têtes de broche CNC d'autre part.
PCT/NL2023/050590 2022-11-10 2023-11-09 Ensemble d'usinage et procédé d'échange d'un outil d'usinage WO2024101991A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2033503 2022-11-10
NL2033503 2022-11-10

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WO2024101991A1 true WO2024101991A1 (fr) 2024-05-16

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0583085A2 (fr) * 1992-07-31 1994-02-16 Ford Motor Company Limited Appareil de positionnement pour travailler à multibroche
WO2013034591A1 (fr) * 2011-09-09 2013-03-14 Mag Ias Gmbh Machine-outil et procédé de changement d'outil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0583085A2 (fr) * 1992-07-31 1994-02-16 Ford Motor Company Limited Appareil de positionnement pour travailler à multibroche
WO2013034591A1 (fr) * 2011-09-09 2013-03-14 Mag Ias Gmbh Machine-outil et procédé de changement d'outil

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