Plural Machine Tools, E.g., Flexible Manufacturing Patents (Class 483/15)
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Patent number: 8858411Abstract: A system for loading/unloading sheets is disclosed, some of which also being of metal, and handling method thereof, serving a laser cutting center. The system includes a pair of rails (1, 2), supported at a preset height above a feeding tray (T) of the cutting center, whereon at least one Cartesian robotized hand is movably mounted, capable of moving along horizontal axes X and Y as well as along a vertical axis Z, mutually orthogonal, and including at least two bridge cranes (3, 4) sliding along the rails (1, 2) each of which supports at least one pair of robotized hands (5-8), and the robotized hands (5-8) have an electromagnetic pick-up head which may be coupled with a suction-cup device (103). Feeding tray (T) consists of bars whereon small tesserae (204) of ceramic material are fitted.Type: GrantFiled: May 9, 2008Date of Patent: October 14, 2014Assignee: Travers International, S.A.Inventor: James Mossi
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Patent number: 8249741Abstract: A method for controlling the loading and unloading of machine tools where the tools from a magazine are first taken over into an intermediate storage station or provision area and from there are supplied to the machine tool. The tools are inserted into the machine tool using a changing apparatus for transfer to the machine tool. The magazine and the machine tool are each provided with a CNC controller and a PLC controller, and these components are adjusted by a separate controller. The magazine and the machine tool can each be provided with a separate CNC controller and PLC controller or a common CNC controller and PLC controller. Multichannel controllers, preferably dual-channel controllers, can also be used.Type: GrantFiled: March 28, 2008Date of Patent: August 21, 2012Assignee: Toyoda Mitsuiseiki Europe GmbHInventors: Marco Eckhardt, Robert Speich
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Patent number: 8132306Abstract: A device for machining components, in particular of a vehicle body has a transport and positioning unit for the component and several machining stations, which are arranged around said unit and to which the component held by a component holder of the transport and positioning unit can be fed in a position ready for machining. To transport the component from one machining station to the other machining stations while taking up the smallest possible surface area, the transport and positioning unit includes a rotor and a pivoting arm that is mounted eccentrically on said rotor, driven in opposition to the latter and supports the component holder. The drives of the rotor and the pivoting arm are synchronized in such a way that the component holder is displaced along a closed curved path comprising spaces between the neighboring apexes of said path.Type: GrantFiled: April 30, 2007Date of Patent: March 13, 2012Assignee: ThyssenKrupp Drauz Nothelfer GmbHInventors: Josef Kipping, Thomas Klemm
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Patent number: 8127415Abstract: A device for machining components, in particular of a vehicle body has a transport and positioning unit for the component and several machining stations, which are arranged around said unit and to which the component held by a component holder of the transport and positioning unit can be fed in a position ready for machining. To transport the component from one machining station to the other machining stations while taking up the smallest possible surface area, the transport and positioning unit includes a rotor and a pivoting arm that is mounted eccentrically on said rotor, driven in opposition to the latter and supports the component holder. The drives of the rotor and the pivoting arm are synchronized in such a way that the component holder is displaced along a closed curved path comprising spaces between the neighboring apexes of said path.Type: GrantFiled: April 20, 2007Date of Patent: March 6, 2012Assignee: ThyssenKrupp Drauz Nothelfer GmbHInventors: Josef Kipping, Thomas Klemm
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Patent number: 8114001Abstract: A workpiece processing plant comprises several machine tools which are arranged in opposite rows. The rows define a free space between each other. A loading and unloading device is provided which comprises a girder above the machine tools and above the free space. Rails are provided on the upper side of the girder. A loading and unloading unit configured as a multiple-axis robot is displaceable along the rails, the loading and unloading unit comprising several arms which are articulated to one another.Type: GrantFiled: June 11, 2008Date of Patent: February 14, 2012Assignee: MAG IAS, LLCInventors: Wolfgang Horn, Moshe Israel Meidar, Thomas Bayha, Ralf Haug
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Patent number: 7744514Abstract: A machining station and a method produce vehicle bodies of different types. A clamping station has interchangeable clamping frames, at least one clamping frame magazine, into which the interchangeable clamping frames are deposited when not in use and from which the interchangeable clamping frames are removed when in use, and at least one robot for transporting the interchangeable clamping frames. The interchangeable clamping frames, in particular the clamping frames for the vehicle body side parts, are divided into a plurality of separable segmental clamping frames, with, to convert to a different type of vehicle body, one segmental clamping frame in each case being transported by a robot from the clamping station to the clamping frame magazine, being deposited there, a segmental clamping frame of a different type being removed from the clamping frame magazine and this segmental clamping frame being transported to the clamping station.Type: GrantFiled: November 27, 2006Date of Patent: June 29, 2010Assignee: Volkswagen AGInventor: Markus Rössinger
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Patent number: 7631407Abstract: A machine tool for cutting machining of work pieces has a tool spindle and a work piece spindle. The work piece spindle is a hollow spindle having a through hole extending through the spindle and a holding mechanism for holding a work piece at one end. The work piece held in the holding mechanism can be machined through the through hole by means of a machining tool held in the tool spindle.Type: GrantFiled: February 13, 2007Date of Patent: December 15, 2009Assignee: Stama Maschinenfabrik GmbHInventors: Achim Feinauer, Thomas Altmann, Pavel Blazek
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Patent number: 7606630Abstract: There is described a method for electronically operating a machine tool which comprises an electronic machine tool control and is positioned on a working place. Said machine tool is connected, through a data connection, to a server platform which is independent of the working place and on which software model algorithms run for simulating the machine tool behavior. For this purpose, said algorithms effect back the machine behavior in such a way that when process data items available through the data connection are deviated, process data items modified by calculated set values are transmitted through the data switch to the machine tool control and are used thereby. The machine tool control is carried out in sections, i.e. the section(s) are meaningfully considered on the basis of the software models of the machine tool behavior remotely from the software platform.Type: GrantFiled: February 27, 2006Date of Patent: October 20, 2009Assignee: Siemens AktiengesellschaftInventor: Volker Maier
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Patent number: 7555823Abstract: A production line comprises production devices arranged in a line for machining a workpiece by conveyance of the workpiece successively to the production devices. Each of the production devices has a machine for machining the workpiece, an individual base for supporting the machine, a mounting unit that removably integrally mounts the machine on a surface of the individual base, and a positioning/moving unit that positions the machine on the surface of the individual base and that facilitates sliding movement of the machine along the surface of the individual base to permit the machine to be slidingly drawn of f of the surface of the individual base when the machine is not mounted on the surface of the individual base by the mounting unit. The line unit also comprises a maintenance stand onto which the machine slidingly drawn off of the surface of the individual base is placed for transportation away from the production line and/or for undergoing a maintenance operation.Type: GrantFiled: July 8, 2005Date of Patent: July 7, 2009Assignee: Seiko Instruments Inc.Inventor: Shigehiro Arai
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Patent number: 7510124Abstract: A semiconductor wafer including a plurality of pits in the semiconductor wafer. The pits are arranged in an information-providing pattern and are readable after completion of processing on the wafer.Type: GrantFiled: November 10, 2005Date of Patent: March 31, 2009Assignee: International Business Machines CorporationInventors: Brian Barker, Raymond Bunkofske, John Colt, Perry Hartswick, John Lewis, Nancy Pascoe
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Patent number: 7507193Abstract: A machine tool comprising at least one machining unit having at least one work spindle for accommodating tools in order to machine workpieces in a working area is provided with a first and a second transport device, by which workpieces are transported between the working area and a loading/unloading station. A second machining unit is arranged laterally next to the first machining unit in such a way that, alternating with the first machining unit, it can reach the workpieces in the working area from the same direction.Type: GrantFiled: June 30, 2006Date of Patent: March 24, 2009Assignee: Chiron-Werke GmbH & Co. KGInventors: Dirk Prust, Hans-Henning Winkler
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Publication number: 20080274865Abstract: A machining or processing plant (1) is provided including one or several machining stations (2) that are surrounded by a protective partition (13) and are supplied with components (4, 5) from at least one external supply (6) by a feeding mechanism (8). The feeding mechanism (8) is provided with one or several distribution vehicles (9) which can be moved between the supply (6) and the processing stations (2). The distribution vehicles (9) are equipped with a multi-shaft manipulator (10) and a device (36) for surmounting the protective partitions (13). The distribution vehicles (9) are also equipped with one or several receptacles (30) for component supports (24, 25).Type: ApplicationFiled: September 20, 2006Publication date: November 6, 2008Inventor: Thomas Sturm
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Publication number: 20080188363Abstract: A machine tool (1) has a work chamber (3), in which two workpiece supports (7, 8) can move independently of one another. A plurality of tool bits (44, 45) are also disposed in the work chamber. Movement devices which define movement regions are assigned to the workpiece supports (7, 8). These movement devices overlap one another in a region in which a machining unit (35) can be disposed. With such a machine tool, very high flexibility in terms of the workpieces to be produced as well as high productivity are achieved. The machine tool (1) thus makes it possible to achieve high degrees of automation, even with small-scale mass production.Type: ApplicationFiled: October 7, 2005Publication date: August 7, 2008Applicant: Witzig & Frank GmbHInventors: Frank Baumbusch, Walter Bauer
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Patent number: 7367929Abstract: A machine tool for the cutting machining of workpieces, in particular of metallic workpieces, has a first and a second tool spindle for receiving a first and a second machining tool, and it has a first and a second workpiece carrier for receiving a first workpiece and a second workpiece. The first tool spindle is movable relative to the first and to the second workpiece carrier in order to selectively machine the first or the second workpiece. Moreover, the first workpiece are movable relative to one another in order to transfer a workpiece from one workpiece carrier to the other workpiece carrier. The second tool spindle is movable relative to the second workpiece carrier in order to machine the second workpiece.Type: GrantFiled: March 14, 2007Date of Patent: May 6, 2008Assignee: STAMA Maschinenfabrik GmbHInventors: Achim Feinauer, Pavel Blazek
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Patent number: 7343660Abstract: A machine tool apparatus is provided employing a plurality of tool heads which may be sequentially or simultaneously automatically controlled to perform preprogrammed operations on either the same or different workpieces. In one form, a plurality of tool heads are supported on the same frame, guideway or track and may be separate prepositioned or driven under remote or automatic control to perform preprogrammed operations either in sequence or simultaneously on the same workpiece or simultaneously on separate workpieces spaced apart on a common conveyor such as a flight conveyor while the conveyor is either in motion or stationary. In another form, the conveyor is automatically stopped with units of work thereon, each disposed so as to be predeterminately located with respect to a respective machine tool which has been prepositioned adjacent the work-holding conveyor.Type: GrantFiled: May 13, 1987Date of Patent: March 18, 2008Assignee: Lemeison Medical, Education & Research Foundation, Limited PartnershipInventor: Jerome H. Lemelson
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Patent number: 7065856Abstract: A machine tool apparatus is provided employing a plurality of tool heads which may be sequentially or simultaneously automatically controlled to perform preprogrammed operations on either the same or different workpieces. In one form, a plurality of tool heads are supported on the same frame, guideway or track and may be separate prepositioned or driven under remote or automatic control to perform preprogrammed operations wither in sequence or simultaneously on the same workpiece or simultaneously on separate workpieces spaced apart on a common conveyor such as a flight conveyor while the conveyor is either in motion or stationary. In another form, the conveyor is automatically stopped with units of work thereon, each disposed so as to be predeterminately located with respect to a respective machine tool which has been prepositioned adjacent the work-holding conveyor.Type: GrantFiled: November 10, 1987Date of Patent: June 27, 2006Inventor: Jerome H. Lemelson
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Patent number: 7035709Abstract: An optimum cutting tool is selected interactively in a cutting tools selection section, and a tooling sheet using the selected cutting tool is generated and output in a tooling sheet preparation section. The cutting tool selection section searches a cutting tool database using a unique order number for each cutting tool as a search key, and outputs a list of cutting tool search results, and when a declaration of intention to select an insert via the list is made, parameters indicating the recommended cutting conditions for the designated cutting tool are transferred to the tooling sheet preparation section. The tooling sheet preparation section generates and outputs tooling sheet item data for some items by computation with a prescribed formula, based on the transferred parameters. As a result, an accurate, interchangeable, and readily expandable system for the preparation of tooling sheets can be provided.Type: GrantFiled: January 21, 2004Date of Patent: April 25, 2006Assignee: Mitsubishi Materials CorporationInventors: Masato Yamada, Jun Oki
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Patent number: 7007855Abstract: A semiconductor wafer including a plurality of pits in the semiconductor wafer. The pits are arranged in an information-providing pattern and are readable after completion of processing on the wafer.Type: GrantFiled: March 17, 2000Date of Patent: March 7, 2006Assignee: International Business Machines CorporationInventors: Brian C. Barker, Raymond J. Bunkofske, John Z. Colt, Jr., Perry G. Hartswick, John W. Lewis, Nancy T. Pascoe
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Publication number: 20040215363Abstract: An optimum cutting tool is selected interactively in a cutting tools selection section, and a tooling sheet using the selected cutting tool is generated and output in a tooling sheet preparation section. The cutting tool selection section searches a cutting tool database using a unique order number for each cutting tool as a search key, and outputs a list of cutting tool search results, and when a declaration of intention to select an insert via the list is made, parameters indicating the recommended cutting conditions for the designated cutting tool are transferred to the tooling sheet preparation section. The tooling sheet preparation section generates and outputs tooling sheet item data for some items by computation with a prescribed formula, based on the transferred parameters. As a result, an accurate, interchangeable, and readily expandable system for the preparation of tooling sheets can be provided.Type: ApplicationFiled: January 21, 2004Publication date: October 28, 2004Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Masato Yamada, Jun Oki
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Patent number: 6445971Abstract: This machine tool such as CNC edge grinding apparatus is an apparatus for machining small glass parts such as a side view mirror. For small parts, grind time can exceed by a considerable amount the load/unload time. This machine greatly increases the output of the system. It minimizes the waiting time by providing an auxiliary station for simultaneous unloading/loading while grinding. Controls integrate multiple axes, which are part of the holding mechanisms, with the linear axes of the grind head, to grind the part.Type: GrantFiled: November 19, 1999Date of Patent: September 3, 2002Assignee: Glassline CorporationInventors: Charles E. Gottschalk, Mark R. Kolkemeyer
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Patent number: 6409642Abstract: An assembling device for supplying and assembling a part on an object has a table and a first moving portion disposed above the table, where the first moving portion includes a guide and a movable body. The guide extends in a first direction parallel to a surface of the table out of a range in which the table is positioned. The movable body is movable to a position out of the range in which the table is positioned. The assembling device also has a second moving portion disposed on the table and movable in a second direction transverse to the first direction, the object being mounted on the second moving portion.Type: GrantFiled: May 18, 1999Date of Patent: June 25, 2002Assignee: Sony CorporationInventors: Morio Tominaga, Katsuya Arai, Shoichi Hayashi, Kenichi Kato, Tsuyoshi Inoue, Hiroyuki Suzuki, Tetsuo Higewake, Hideaki Tomikawa, Takeshi Tokita, Norifumi Otsuka, Hiroshi Teranishi
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Patent number: 6256868Abstract: An assembly process apparatus includes an assembly robot for assembling parts to a workpiece which is a main body, a part supply apparatus for supplying parts to the workpiece, a work pallet for supplying workpieces to an assembly station of the assembly robot, and a tool pallet for supplying assembly process modules interchangeable with respect to the assembly robot. The part supply apparatus is made up of a plurality of part supply modules interchangeable with respect to the assembly robot. With the assembly process apparatus as one unit, it is constructed to assemble parts one unit only or with a plurality of units combined. Accordingly, an assembly process apparatus achieves excellent productivity with which it is possible to expand or cut line equipments easily according to production volume, and it is possible to achieve utilization of surplus assembly robots.Type: GrantFiled: April 15, 1999Date of Patent: July 10, 2001Assignee: Denso CorporationInventors: Katsuhiko Sugito, Masakazu Watanabe, Kazunori Nakamura
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Publication number: 20010002380Abstract: An assembling device for supplying and assembling a part on an object has a table and a first moving means disposed above the table, wherein the first moving means includes a guide and a movable body. The guide extends in a first direction parallel to a surface of the table out of a range in which the table is positioned. The movable body is movable to a position out of the range in which the table is positioned. The assembling device also has a second moving means disposed on the table and movable in a second direction transverse to the first direction, the object being mounted on the second moving means.Type: ApplicationFiled: May 18, 1999Publication date: May 31, 2001Applicant: kananenInventors: MORIO TOMINAGA, KATSUYA ARAI, SHOICHI HAYASHI, KENICHI KATO, TSUYOSHI INOUE, HIROYUKI SUZUKI, TETSUO HIGEWAKE, HIDEAKI TOMIKAWA, TAKESHI TOKITA, NORIFUMI OTSUKA, HIROSHI TERANISHI
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Patent number: 6216325Abstract: A machining center has a number of machine tools which each have a working space for machining workpieces, a clamping station in which workpieces to be machined are clamped into workpiece holders, and a loading device 26 which transports the workpiece holders between the clamping station and the working space of at least one machine tool, and in order to transport the workpiece holder has a pivot arm 43 which is swung in as the loading device 26 moves, and which for workpiece changing is pivoted at least partially about a pivot axis 93 into the working space or to the clamping station. The workpiece holder has a fixture 51 for positionally accurate receiving of a workpiece, which has at its two end faces holding parts 56, 57 via which it is held in the clamping station and in the working space. The loading device 26 has a further pivot arm 43′ arranged parallel to the pivot arm 43, the pivot arms 43, 43′ grasping the fixture 51 at the end faces and receiving it between them for transport.Type: GrantFiled: October 30, 1998Date of Patent: April 17, 2001Assignee: Chiron - Werke GmbH & Co. KGInventors: Rudolf Haninger, Hans-Henning Winkler
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Patent number: 6205631Abstract: A machining center has machine tools which each have a working space for machining workpieces 21, a clamping station 18 in which workpieces 21 to be machined are clamped into workpiece holders 19, and a loading device which transports the workpiece holders 19 between the clamping station 18 and the working space of at least one machine tool. A multiple coupling 70 for transferring fluidic energy, which is selectably docked in the clamping station 18, is provided on the workpiece holder 19 (FIG. 5).Type: GrantFiled: October 30, 1998Date of Patent: March 27, 2001Assignee: Chiron-Werke GmbH & Co. KGInventor: Anton Schweizer
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Patent number: 6115895Abstract: A machining center has machine tools which each have a working space for machining workpieces 21, a clamping station 18 in which workpieces 21 to be machined are clamped into workpiece holders 19, and a loading device which transports the workpiece holders 19 between the clamping station 18 and the working space of at least one machine tool. The workpiece holder 19 have a fixture 51 having self-locking clamping elements 53 for positionally accurate clamping of a workpiece 21. The fixture 51 carries a coupling module 66 for supplying the clamping elements 53 with fluidic energy as well as a multiple coupling 70 which serves for the transfer of measurement signals, and is selectably docked therein.Type: GrantFiled: October 30, 1998Date of Patent: September 12, 2000Assignee: Chiron-Werke GmbH & Co. KGInventors: Anton Schweizer, Hans-Henning Winkler
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Patent number: 6102838Abstract: A machine tool for machining crankshafts (200), including, arranged in the same horizontal plane on a frame extending along the transfer axis (arrow A) of a machining line (C), a machining station (P1) with two tool holder discs (110, 120) for machining the crankshafts (200), and two parallel work stations (S1, S2) arranged upstream and downstream from the machining station (P1) for rotating the two crankshafts, whereby the tool holder disc (110, 120) of the machining station, movably mounted (arrow X) along the transfer axis (arrow A) can move back and forth between one work station (S1 or S2) and the other (S2 or S1) and machine a crankshaft (200) at a work station (S1 or S2) during the auxiliary operations needed to position a new crankshaft (200) in the other work station (S2 or S1), and vice versa. An operating method and a machining line comprising such a machine tool are also disclosed. Said machine tool is useful for turning/shaving crankshafts for engines with four in-line cylinders.Type: GrantFiled: November 12, 1998Date of Patent: August 15, 2000Assignee: Renault-AutomationInventor: Jean-Paul Assie
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Patent number: 6074329Abstract: Each of plural workpiece transfer units 10 input from on end of a machining line 100 in turn is fed toward the other end thereof in a first horizontal direction by a linear motor. In this transfer process, the workpiece transfer unit 100 is indexed to the front of predetermined some of plural spindle heads 60 arranged along the machining line 100, in turn. At an indexed position of the workpiece transfer unit 10, a workpiece supporting device movably mounted on the workpiece transfer unit 10 in two direction mutually perpendicular to the first horizontal direction, performs the machining operation on a workpiece in accordance with an NC program with respect to a tool T attached to a tool spindle 66 of the spindle head 60. At generally the same time when the workpiece transfer unit 10 starts a transfer feed toward the next spindle head 60 after finishing the machining operation by one of the spindle heads 60, the tool spindle 66 of the next spindle head 60 is started to rotate.Type: GrantFiled: December 21, 1998Date of Patent: June 13, 2000Assignee: Toyoda Koki Kabushiki KaishaInventors: Hidekazu Hirano, Hiroyuki Takahara, Kazuo Machida
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Patent number: 6010440Abstract: An automated machine tool is provided and includes a frame having a first workpiece transfer station at a first location on the frame; at least two self-contained processing units, each of the units including structure for holding the workpiece for processing and structure for performing a process on the workpiece; structure for sequentially indexing the processing units to the first workpiece transfer station for transferring workpieces to and from each of the processing units; a shared tool storing device; a first cutting tool transfer device for transferring cutting tools to and from the processing units; and a second cutting tool transfer device for transferring cutting tools between the first transfer device and the storing device.Type: GrantFiled: September 3, 1997Date of Patent: January 4, 2000Inventor: Toshiharu Tom Miyano
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Patent number: 5997452Abstract: A machine tool for machining crankshafts for four cylinder engines. A machining station and two parallel workstations are arranged in the same horizontal plane on a frame extending along the transfer axis of a machining line. The machining station has two tool holder disks for machining the crankshafts. The two parallel work stations are arranged upstream and downstream from the machining station for rotating the two crankshafts. The tool holder disk of the machining station is movably mounted along the transfer axis and can move back and forth between one workstation and the other. A crankshaft can be machined at a workstation during the auxiliary operations needed to position a new crankshaft in the other workstation.Type: GrantFiled: August 20, 1997Date of Patent: December 7, 1999Assignee: Renault-AutomationInventor: Jean-Paul Assie
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Patent number: 5620405Abstract: Various component supplying cassettes contain components of different kinds and feed predetermined numbers of the components to take-out openings of the cassettes. A tool supplying cassette contains several kinds of tools for use with the components or for use in assembling the components and selectively feeds the tools to a take-out opening of the cassette. The component and tool supplying cassettes are set in or removed from a component/tool supplying unit of an apparatus using the components and tools in accordance with operating procedures of the apparatus and the quantity of consumption of components, thereby allowing supply of necessary components and tools to the apparatus for every necessary occasion.Type: GrantFiled: June 29, 1994Date of Patent: April 15, 1997Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Ryoichi Kamatani, Hideto Machida, Yoshiyuki Kubota
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Patent number: 5478300Abstract: An automatic pallet handling system for a machine tool is described in which the pallets are formed as lightweight cassettes (10) which can be mounted by means of shaped locating features on the external periphery of a receiving device (4) mounted, for example, for rotation with a horizontal indexing spindle (2) in a vertical spindle CNC machine. A portable cassette-loading system (15) which consists of a chain conveyor (17) having links (18) pivotably connected side-by-side and formed from lightweight extrusions is positionable adjacent the machine or removable to a loading station. The extruded links form features for engaging the same cassette-locating features on the cassettes and a transfer mechanism (50) slides the cassettes from the loading conveyor to the periphery of the receiving device.Type: GrantFiled: March 3, 1993Date of Patent: December 26, 1995Assignee: Renishaw Metrology LimitedInventors: David R. McMurtry, Marc T B Saunders, Nicholas A. James, Mark A. Buckingham
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Patent number: 5401229Abstract: An automatic machining apparatus includes a rack for storing workpieces mounted on pallets, setting stations for setting the workpieces on the pallets, processing machines for processing the workpieces according to specified processing information, and a stacker crane for transporting the workpieces on the pallets between the rack and setting stations and between the rack and processing machines. The entire apparatus is operable under control of a main controller, with the processing machines controlled by an auxiliary controller. Each pallet carries an IC card for storing information on treatment done to the workpiece mounted thereon. The main controller includes a first communicating device for writing the information on treatment into the IC card. The auxiliary controller includes a second communicating device for reading the information on treatment from the IC card.Type: GrantFiled: June 23, 1993Date of Patent: March 28, 1995Assignee: Daifuku Co., Ltd.Inventors: Hiroshi Otsuka, Kimiaki Yoshida, Shinjiro Nishiki, Suzushi Takao, Tsutomu Imamura
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Patent number: 5374231Abstract: The invention provides an automatically operable manufacturing and machining plant. It comprises a plurality of machining cells, a management system for the workpieces including storage appliances for storing the workpieces, transporting appliances for transporting the workpieces and handling appliances for manipulating the workpieces, and a data handling and exchange system for controlling the operations of the manufacturing and machining plant. The data handling and exchange system comprises a first external data handling and exchange network with a central data processing unit for the exchange of operation control data between the central data processing unit and the machining cells and for the exchange of transporting control data between the central processing unit and the transporting appliances. Further, there is provided a second internal data handling and exchange network for the exchange of data between the storage appliances, the transporting appliances and the handling appliances.Type: GrantFiled: December 17, 1991Date of Patent: December 20, 1994Assignee: Erowa AGInventor: Basil Obrist
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Patent number: 5314397Abstract: Positioning apparatus for multiple-spindle machining, comprising: (a) a plurality of upstanding columns rigidly interconnected to a common platform and aligned parallel to each other and perpendicular to the platform within an accuracy of .+-.0.0005 inches; (b) rail means extending between each of the columns along the periphery defined by the footprint of the columns for providing movable support and having bearing means on the columns providing for movement of each rail means along the Y-axis; (c) other movement means slidable on each of the rail means along at least another axis of movement; (d) linear motor means for selectively moving the rail means and other movement means along said respective Y and another axis at peak accelerations or decelerations of about 1-2 G's; and (d) spindle means on each ram having a spindle rotationally driven about an S-axis thereof.Type: GrantFiled: July 31, 1992Date of Patent: May 24, 1994Assignee: Ford Motor CompanyInventors: Daniel M. Mills, Richard Ogletree, Thomas J. Lindem
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Patent number: 5310396Abstract: A flexible manufacturing system which includes a stack yard, a machine tool and a stacker crane. In the stack yard, a pallet group, formed by stacking a number of pellets, is stored. The pallet group is transferred to a machine tool cell by the stacker crane. Each pallet has a memory, and data of the pallet itself and the member loaded on the pallet are memorized by the pallet. There are various kinds of members such as work-piece, tool and chuck jaw. These members are stored on exclusive pallets made for each kind of the member. Of the members, each tool and chuck jaw has its own memory and memorizes its own data. The data of all the memory can be read and written; therefore, the position of the pallet, tool and chuck jaw can be controlled at all times.Type: GrantFiled: September 3, 1991Date of Patent: May 10, 1994Assignee: Yamazaki Mazak CorporationInventors: Shoji Momoi, Kiyohisa Mizoguchi, Yasushi Nakamura
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Patent number: 5283934Abstract: A machining system is provided which includes a selected number of machining centers for selectively cutting or machining metallic parts, the system further including a rack structure for providing inventory storage for parts which are to be machined by the centers. There is further provided a part transport device for moving a given one of the parts in a first part flow loop when the given part is in a condition which enables the part to be readily moved around a plant or other manufacturing establishment or to be shipped in commerce. The part transport device also moves the given part through a second part flow loop when the part is in a condition which enables the part to be machined by one of the machining centers.Type: GrantFiled: December 5, 1986Date of Patent: February 8, 1994Assignee: Kearney & Trecker CorporationInventors: John J. Zimpel, David R. Koplin
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Patent number: 5242359Abstract: The manufacturing plant comprises at least one manufacturing cell provided with at least one processing device, a handling device associated with the processing device in order to automatically exchange tools and/or workpieces on the processing device, and a magazine for the objects to be handled arranged in the reach of the handling device. The magazine is provided with a rotating rack having a plurality of storing planes mounted upon another on a support. The manufacturing plant comprises a plurality of such rotating racks. The rotating racks are designed as separate transportable constructional units which are exchangeably inserted in a stationary part of the magazine. The stationary part comprises means for rotating the rotating rack. The manufacturing plant further comprises a transfer station separate from the manufacturing cell for loading and unloading the rotating racks. Transporting means, e.g.Type: GrantFiled: June 3, 1992Date of Patent: September 7, 1993Assignee: Erowa AGInventor: Basil Obrist
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Patent number: 5142766Abstract: A tool exchanger for programmed machine tools includes a device for the conveyance of selected tools between a tool room and a main spindle of the machine tool and with two grip devices moving along a prescribed rotation angle and arranged in a carrier support mounted to the conveyance device and able to rotate between an alternate position and at least one standby position. In order to achieve faster exchange operations of the tools in a horizontal and vertical machining spindle, the drives to open and close both tool grips are activated at the same time. The support mounted includes a locking device which blocks the tool grip to standby position in its closed condition.Type: GrantFiled: May 9, 1990Date of Patent: September 1, 1992Assignee: MAHO AktiengesellschaftInventor: Gerhard Wehrmeister