Patents by Inventor Franco Rigolone
Franco Rigolone has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10786882Abstract: The present disclosure relates to a machine tool, in particular multi-spindle turning machine, comprising a machine frame, a turret body being rotatably supported by the machine frame, a plurality of workpiece spindles being arranged on the turret body, each of the workpiece spindles having a workpiece receiving portion for receiving a respective workpiece on one side of the turret body facing a working space of the machine tool, and a torque motor for driving a rotation of the turret body. The torque motor is arranged at a back end portion of the turret body opposite to the side of the turret body facing the working space of the machine tool, and a position locking mechanism for locking a rotational position of the turret body is arranged at a front end portion of the turret body on the side of the turret body facing the working space of the machine tool.Type: GrantFiled: June 21, 2018Date of Patent: September 29, 2020Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Mirko Passerini, Paolo Vanotti, Valter Ginami, Franco Rigolone
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Patent number: 10737362Abstract: A machine tool, in particular multi-spindle turning machine, comprising a machine frame, a turret body being rotatably supported by the machine frame, a plurality of workpiece spindles being arranged on the turret body, each of the workpiece spindles having a workpiece receiving portion for receiving a respective workpiece on one side of the turret body facing a working space of the machine tool, and a plurality of tool post assemblies supported by the machine frame around the turret body, wherein each tool post assembly includes a tool post having one or more tool cartridge receiving openings respectively being configured to detachably receive a tool holder cartridge TC holding a tool.Type: GrantFiled: June 21, 2018Date of Patent: August 11, 2020Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Enrico Persico, Vittore Battaglia, Franco Rigolone
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Patent number: 10737329Abstract: The present disclosure relates to a bar loader and machine tool equipped with such bar loader, wherein the machine tool includes at least one workpiece spindle configured to receive an elongated workpiece, and the bar loader apparatus comprises, for each workpiece spindle of the machine tool being configured to move in a longitudinal direction being axially arranged with respect to the spindle axis of the respective workpiece spindle, a respective associated workpiece guide channel assembly for receiving and guiding a respective one of the elongated workpieces, and each respective workpiece guide channel assembly includes a fixed guide channel portion and at least one slidable guide channel portion, the at least one slidable guide channel portion being movable into the longitudinal direction of the spindle axis of the respective associated workpiece spindle.Type: GrantFiled: June 21, 2018Date of Patent: August 11, 2020Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Luca Milesi, Mirko Passerini, Franco Rigolone
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Publication number: 20180369978Abstract: A machine tool, in particular multi-spindle turning machine, comprising a machine frame, a turret body being rotatably supported by the machine frame, a plurality of workpiece spindles being arranged on the turret body, each of the workpiece spindles having a workpiece receiving portion for receiving a respective workpiece on one side of the turret body facing a working space of the machine tool, and a plurality of tool post assemblies supported by the machine frame around the turret body, wherein each tool post assembly includes a tool post having one or more tool cartridge receiving openings respectively being configured to detachably receive a tool holder cartridge TC holding a tool.Type: ApplicationFiled: June 21, 2018Publication date: December 27, 2018Applicant: GILDEMEISTER ITALIANA S.P.A.Inventors: Enrico PERSICO, Vittore BATTAGLIA, Franco RIGOLONE
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Publication number: 20180369979Abstract: The present disclosure relates to a machine tool, in particular multi-spindle turning machine, comprising a machine frame, a turret body being rotatably supported by the machine frame, a plurality of workpiece spindles being arranged on the turret body, each of the workpiece spindles having a workpiece receiving portion for receiving a respective workpiece on one side of the turret body facing a working space of the machine tool, and a torque motor for driving a rotation of the turret body. The torque motor is arranged at a back end portion of the turret body opposite to the side of the turret body facing the working space of the machine tool, and a position locking mechanism for locking a rotational position of the turret body is arranged at a front end portion of the turret body on the side of the turret body facing the working space of the machine tool.Type: ApplicationFiled: June 21, 2018Publication date: December 27, 2018Applicant: GILDEMEISTER ITALIANA S.P.A.Inventors: Mirko PASSERINI, Paolo VANOTTI, Valter GINAMI, Franco RIGOLONE
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Publication number: 20180369921Abstract: The present disclosure relates to a bar loader and machine tool equipped with such bar loader, wherein the machine tool includes at least one workpiece spindle configured to receive an elongated workpiece, and the bar loader apparatus comprises, for each workpiece spindle of the machine tool being configured to move in a longitudinal direction being axially arranged with respect to the spindle axis of the respective workpiece spindle, a respective associated workpiece guide channel assembly for receiving and guiding a respective one of the elongated workpieces, and each respective workpiece guide channel assembly includes a fixed guide channel portion and at least one slidable guide channel portion, the at least one slidable guide channel portion being movable into the longitudinal direction of the spindle axis of the respective associated workpiece spindle.Type: ApplicationFiled: June 21, 2018Publication date: December 27, 2018Applicant: GILDEMEISTER ITALIANA S.P.A.Inventors: Luca MILESI, Mirko PASSERINI, Franco RIGOLONE
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Patent number: 9687912Abstract: The present invention relates to a tool carrier 62 for a machine tool, in particular a lathe, having a rotary shaft drive for a numerically controllable rotary shaft B for rotating the tool carrier 62, a first tool turret head 62A carrying tools, rotatably mounted around a first turret axis, and a second tool turret head 62B carrying tools, rotatably mounted around a second turret axis, the first tool turret head 62A and the second tool turret head 62B being positioned on opposite sides of the tool carrier 62 with respect to the axis of rotation of the rotary shaft B. The present invention also relates to a machine tool, in particular a lathe, having a tool carrier 62 of this type.Type: GrantFiled: May 18, 2012Date of Patent: June 27, 2017Assignee: GILDEMEISTER Italiana S.p.A.Inventors: Jürgen Walz, Franco Rigolone, Gottfried Deuringer, Renato Rota, Manuel Gerst
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Patent number: 9421616Abstract: The present invention relates to a machine tool, in particular a lathe, having a machine frame 1, a first work spindle 21, arranged on a face of a first carrier portion 1a of the machine frame 1, for receiving a first workpiece W1, a second work spindle 22, facing the first work spindle 21 and arranged on a face of second carrier portion 1b of the machine frame 1, for receiving a second work piece W2, the spindle axis of the second work spindle 22 being aligned parallel to, in particular coaxial with, the spindle axis of the first work spindle 21, and two displaceable tool carrier slides 51 and 52 on each of which a tool-carrying tool carrier 61 or 62 is arranged. According to the invention, a third tool carrier 63 is provided which is displaceable between the work spindles 21 and 22 transverse to the spindle axes and which is arranged on a tool carrier face WTS3 of a central carrier portion 1c positioned between the first and the second carrier portion 1a, 1b.Type: GrantFiled: May 18, 2012Date of Patent: August 23, 2016Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Jürgen Walz, Franco Rigolone, Gottfried Deuringer, Renato Rota, Manuel Gerst
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Patent number: 9156119Abstract: The present invention relates to a machine tool, in particular to a lathe, comprising a machine frame 1, a first work spindle 21 which is arranged on a spindle carrier face of the machine frame 1 and is to receive a first workpiece W1, a second work spindle 22 which faces the first work spindle 21, is arranged on a spindle carrier face of the machine frame 1 and is to receive a second workpiece W2, the axis of the second work spindle 22 being aligned parallel, in particular coaxially to the axis of the first work spindle 21, and comprising two movable tool carrier slides 51 and 52, on which a respective tool-carrying tool carrier 61 and 62 is arranged. According to the invention, provided between the work spindles 21 and 22 is a tool carrier 62 which can be moved transversely to the spindle axes, is configured as a tool turret and the turret axis of which is aligned transversely to the spindle axes.Type: GrantFiled: May 18, 2012Date of Patent: October 13, 2015Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Jürgen Walz, Franco Rigolone, Gottfried Deuringer, Renato Rota, Manuel Gerst
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Patent number: 9126266Abstract: The present invention relates to a machine tool, in particular a lathe, comprising a machine frame 1 having a first carrier side TS1 and a second carrier side TS2, wherein the machine frame 1 includes a first carrier portion 1a, a second carrier portion 1b and a middle carrier portion 1c which is arranged between the first and second carrier portions, a first spindle carrier 31 which is arranged on the first carrier side TS1 of the first carrier portion 1a and which holds a first work spindle 21, a first spindle carrier slide 42 which is arranged on the first or second carrier side of the second carrier portion 1b and on which a second spindle carrier 32 is arranged which holds a second work spindle 22 facing the first work spindle 21, wherein the spindle axes are aligned in parallel, in particular coaxially, and wherein the second spindle carrier 32 can be moved in direction W parallel to the spindle axes, and a second tool carrier slide 52 which is arranged on the first carrier side TS1 of the middle portioType: GrantFiled: May 18, 2012Date of Patent: September 8, 2015Assignee: GILDEMEISTER Italiana S.p.A.Inventors: Jürgen Walz, Franco Rigolone, Gottfried Deuringer, Renato Rota, Manuel Gerst
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Patent number: 9085031Abstract: A thread whirling device for producing a thread on a workpiece on a numerically controlled turning machine by a thread whirling method, having a retention structure for fitting the thread whirling device to the turning machine, a whirling head which is retained on the retention structure, has an opening and carries one or more cutters which are arranged peripherally on the edge of the opening, having a first drive device which is configured to drive the whirling head in a rotational manner about a first rotation axis which extends through the opening. The thread whirling device further includes a second drive device which is configured to drive the whirling head in a rotational manner about a second rotation axis which extends transversely relative to the first rotation axis, in order to orientate an angle between the first rotation axis and the spindle axis of the turning machine work spindle.Type: GrantFiled: September 18, 2012Date of Patent: July 21, 2015Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Franco Rigolone, Renato Rota, Marco Cavadini, Luca Milesi
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Patent number: 8915694Abstract: Disclosed examples relate to loading devices for loading bars for machining in machine tools. A disclosed example loading device is adapted to move a bar from a starting position to an end position and to feed the bar from the end position to the machine tool, comprising a rest portion for supplying the loading device with at least one bar lying on the rest portion in the starting position, and a movable transport for transporting the bar from the starting position to the end position. The transport is adapted to transport the bar downward in a downward movement due to its gravity along a downwardly inclined guiding portion, the bar being supported by a first support portion of the transport.Type: GrantFiled: March 9, 2011Date of Patent: December 23, 2014Assignee: Gildemeister AktiengesellschaftInventors: Franco Rigolone, Renato Rota
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Publication number: 20140318330Abstract: A thread whirling device for producing a thread on a workpiece on a numerically controlled turning machine by a thread whirling method, having a retention structure for fitting the thread whirling device to the turning machine, a whirling head which is retained on the retention structure, has an opening and carries one or more cutters which are arranged peripherally on the edge of the opening, having a first drive device which is configured to drive the whirling head in a rotational manner about a first rotation axis which extends through the opening. The thread whirling device further includes a second drive device which is configured to drive the whirling head in a rotational manner about a second rotation axis which extends transversely relative to the first rotation axis, in order to orientate an angle between the first rotation axis and the spindle axis of the turning machine work spindle.Type: ApplicationFiled: September 18, 2012Publication date: October 30, 2014Inventors: Franco Rigolone, Renato Rota, Marco Cavadini, Luca Milesi
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Publication number: 20140318331Abstract: The present invention relates to a tool carrier 62 for a machine tool, in particular a lathe, having a rotary shaft drive for a numerically controllable rotary shaft B for rotating the tool carrier 62, a first tool turret head 62A carrying tools, rotatably mounted around a first turret axis, and a second tool turret head 62B carrying tools, rotatably mounted around a second turret axis, the first tool turret head 62A and the second tool turret head 62B being positioned on opposite sides of the tool carrier 62 with respect to the axis of rotation of the rotary shaft B. The present invention also relates to a machine tool, in particular a lathe, having a tool carrier 62 of this type.Type: ApplicationFiled: May 18, 2012Publication date: October 30, 2014Applicant: GILDEMEISTER Italiana S.p.A.Inventors: Jürgen Walz, Franco Rigolone, Gottfried Deuringer, Renato Rota, Manuel Gerst
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Publication number: 20140298961Abstract: The present invention relates to a machine tool, in particular a lathe, comprising a machine frame 1 having a first carrier side TS1 and a second carrier side TS2, wherein the machine frame 1 includes a first carrier portion 1a, a second carrier portion 1b and a middle carrier portion 1c which is arranged between the first and second carrier portions, a first spindle carrier 31 which is arranged on the first carrier side TS1 of the first carrier portion 1a and which holds a first work spindle 21, a first spindle carrier slide 42 which is arranged on the first or second carrier side of the second carrier portion 1b and on which a second spindle carrier 32 is arranged which holds a second work spindle 22 facing the first work spindle 21, wherein the spindle axes are aligned in parallel, in particular coaxially, and wherein the second spindle carrier 32 can be moved in direction W parallel to the spindle axes, and a second tool carrier slide 52 which is arranged on the first carrier side TS1 of the middle portioType: ApplicationFiled: May 18, 2012Publication date: October 9, 2014Applicant: GILDEMEISTER Italiana S.p.A.Inventors: Jürgen Walz, Franco Rigolone, Gottfried Deuringer, Renato Rota, Manuel Gerst
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Publication number: 20140251097Abstract: The present invention relates to a machine tool, in particular to a lathe, comprising a machine frame 1, a first work spindle 21 which is arranged on a spindle carrier face of the machine frame 1 and is to receive a first workpiece W1, a second work spindle 22 which faces the first work spindle 21, is arranged on a spindle carrier face of the machine frame 1 and is to receive a second workpiece W2, the axis of the second work spindle 22 being aligned parallel, in particular coaxially to the axis of the first work spindle 21, and comprising two movable tool carrier slides 51 and 52, on which a respective tool-carrying tool carrier 61 and 62 is arranged. According to the invention, provided between the work spindles 21 and 22 is a tool carrier 62 which can be moved transversely to the spindle axes, is configured as a tool turret and the turret axis of which is aligned transversely to the spindle axes.Type: ApplicationFiled: May 18, 2012Publication date: September 11, 2014Applicant: GILDEMEISTER Italiana S.p.A.Inventors: Jürgen Walz, Franco Rigolone, Gottfried Deuringer, Renato Rota, Manuel Gerst
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Publication number: 20140245870Abstract: The present invention relates to a machine tool, in particular a lathe, having a machine frame 1, a first work spindle 21, arranged on a face of a first carrier portion 1a of the machine frame 1, for receiving a first workpiece W1, a second work spindle 22, facing the first work spindle 21 and arranged on a face of second carrier portion 1b of the machine frame 1, for receiving a second work piece W2, the spindle axis of the second work spindle 22 being aligned parallel to, in particular coaxial with, the spindle axis of the first work spindle 21, and two displaceable tool carrier slides 51 and 52 on each of which a tool-carrying tool carrier 61 or 62 is arranged. According to the invention, a third tool carrier 63 is provided which is displaceable between the work spindles 21 and 22 transverse to the spindle axes and which is arranged on a tool carrier face WTS3 of a central carrier portion 1c positioned between the first and the second carrier portion 1a, 1b.Type: ApplicationFiled: May 18, 2012Publication date: September 4, 2014Applicant: GILDEMEISTER Italiana S.p.A.Inventors: Jürgen Walz, Franco Rigolone, Gottfried Deuringer, Renato Rota, Manuel Gerst
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Publication number: 20110274520Abstract: Disclosed examples relate to loading devices for loading bars for machining in machine tools. A disclosed example loading device is adapted to move a bar from a starting position to an end position and to feed the bar from the end position to the machine tool, comprising a rest portion for supplying the loading device with at least one bar lying on the rest portion in the starting position, and a movable transport for transporting the bar from the starting position to the end position. The transport is adapted to transport the bar downward in a downward movement due to its gravity along a downwardly inclined guiding portion, the bar being supported by a first support portion of the transport.Type: ApplicationFiled: March 9, 2011Publication date: November 10, 2011Inventors: Franco Rigolone, Renato Rota
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Patent number: 7958805Abstract: A piece-threading device on a numerically controlled lathe comprises a supporting assembly having an inner rotatively driven body which, on a side thereof facing a workpiece to be threaded, comprises a plurality of threading tools, the rotatively driven body having a built-in electrical rotor (9) to which an electric stator (8) also built-in in the supporting assembly is operatively coupled, the stator (8) having a plurality of circumferential channels (6) for circulating therethrough a refrigerating and lubricating fluid.Type: GrantFiled: April 23, 2008Date of Patent: June 14, 2011Assignee: Gildemeister Italiana S.p.A.Inventors: Franco Rigolone, Renato Rota, Oscar Gervasoni
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Publication number: 20100058903Abstract: A multiple-spindle turning machine has an upright structure supporting a rotary drum which, in turn, supports a plurality of workpiece supporting spindles. On the upright, at each spindle, a cross slide adapted to support a plurality of machining tools to be used for machining the front portion of a workpiece is provided. The machine tool further comprises, in front of the rotary drum, parallel guides which are arranged crosswise of the machine bed, on the guides being slidably mounted two slides each including a workpiece supporting spindle. On the two sides of the machine tool, near each spindle, a vertical slide adapted to support a plurality of machining tools for machining the rear portion of the workpiece is arranged.Type: ApplicationFiled: September 2, 2009Publication date: March 11, 2010Applicant: GILDEMEISTER ITALIANA S.P.AInventors: Franco RIGOLONE, Enrico PERSICO, Renato ROTA