Patents by Inventor Valter GINAMI
Valter GINAMI 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: 11167354Abstract: A machine tool, in particular a lathe, including a machine frame having an upper tool carrier support portion, a lower tool carrier support portion and a spindle carrier portion arranged between the upper and lower tool carrier support portions, a spindle carrier, being arranged on or at a height of the spindle carrier portion of the machine frame, supporting a main spindle configured to receive a workpiece W, the main spindle having a horizontally arranged spindle axis, one or more tool carriers, each tool carrier being supported on a tool carrier assembly being arranged on either the upper tool carrier support portion or the lower tool carrier support portion of the machine frame. Wherein a lower side-surface of the lower tool carrier support portion, to which the one or more tool carriers are mountable, is arranged to have an overhanging inclination.Type: GrantFiled: August 29, 2019Date of Patent: November 9, 2021Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Mirko Passerini, Valter Ginami
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Patent number: 11130208Abstract: A spindle apparatus for use at a machine tool, having: an assembly including a workpiece spindle to receive an elongated workpiece and a motor for driving spindle rotation of the workpiece spindle about a spindle axis; a rotary guide-bush assembly being axially arranged with the workpiece spindle with respect to the spindle axis, the rotary guide-bush assembly receiving the elongated workpiece supported at the rotary guide-bush assembly to rotate about the spindle axis enabling movement of the elongated workpiece; wherein the rotary guide-bush assembly includes a portion to clamp the elongated workpiece, received in the rotary guide-bush and in the workpiece spindle, to transfer driving torque applied from the spindle motor during a driven acceleration of the rotation through the clamped elongated workpiece for rotation of the rotary guide-bush synchronized with the driven acceleration of the rotation of the workpiece spindle.Type: GrantFiled: January 22, 2019Date of Patent: September 28, 2021Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Mirko Passerini, Valter Ginami
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Patent number: 11027380Abstract: A spindle apparatus for use at a machine tool, in particular a lathe, has: a spindle assembly including a workpiece spindle to receive an elongated workpiece and a spindle motor for driving spindle rotation; and a rotary guide-bush assembly axially arranged with the workpiece spindle, the rotary guide-bush assembly including a rotary guide-bush to receive the elongated workpiece and supported at the rotary guide-bush assembly to rotate with the elongated workpiece received in the workpiece spindle about the axis while enabling a movement of the elongated workpiece in the axial direction. The spindle and rotary guide-bush assemblies connect to each other by a torque transferring connection, between the spindle and rotary guide-bush assemblies along the axis to transfer driving torque during acceleration or deceleration of the spindle rotation driven by the spindle motor to the rotary guide-bush of the rotary guide-bush assembly.Type: GrantFiled: January 22, 2019Date of Patent: June 8, 2021Assignee: GILDEMEISTER ITALIANA S.P.A.Inventors: Mirko Passerini, Valter Ginami
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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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Publication number: 20200070252Abstract: A machine tool, in particular a lathe, including a machine frame having an upper tool carrier support portion, a lower tool carrier support portion and a spindle carrier portion arranged between the upper and lower tool carrier support portions, a spindle carrier, being arranged on or at a height of the spindle carrier portion of the machine frame, supporting a main spindle configured to receive a workpiece W, the main spindle having a horizontally arranged spindle axis, one or more tool carriers, each tool carrier being supported on a tool carrier assembly being arranged on either the upper tool carrier support portion or the lower tool carrier support portion of the machine frame. Wherein a lower side-surface of the lower tool carrier support portion, to which the one or more tool carriers are mountable, is arranged to have an overhanging inclination.Type: ApplicationFiled: August 29, 2019Publication date: March 5, 2020Applicant: GILDEMEISTER ITALIANA S.P.A.Inventors: Mirko PASSERINI, Valter GINAMI
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Publication number: 20190224757Abstract: A spindle apparatus for use at a machine tool, having: an assembly including a workpiece spindle to receive an elongated workpiece and a motor for driving spindle rotation of the workpiece spindle about a spindle axis; a rotary guide-bush assembly being axially arranged with the workpiece spindle with respect to the spindle axis, the rotary guide-bush assembly receiving the elongated workpiece supported at the rotary guide-bush assembly to rotate about the spindle axis enabling movement of the elongated workpiece; wherein the rotary guide-bush assembly includes a portion to clamp the elongated workpiece, received in the rotary guide-bush and in the workpiece spindle, to transfer driving torque applied from the spindle motor during a driven acceleration of the rotation through the clamped elongated workpiece for rotation of the rotary guide-bush synchronized with the driven acceleration of the rotation of the workpiece spindle.Type: ApplicationFiled: January 22, 2019Publication date: July 25, 2019Applicant: GILDEMEISTER ITALIANA S.P.A.Inventors: Mirko PASSERINI, Valter GINAMI
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Publication number: 20190224791Abstract: A spindle apparatus for use at a machine tool, in particular a lathe, has: a spindle assembly including a workpiece spindle to receive an elongated workpiece and a spindle motor for driving spindle rotation; and a rotary guide-bush assembly axially arranged with the workpiece spindle, the rotary guide-bush assembly including a rotary guide-bush to receive the elongated workpiece and supported at the rotary guide-bush assembly to rotate with the elongated workpiece received in the workpiece spindle about the axis while enabling a movement of the elongated workpiece in the axial direction. The spindle and rotary guide-bush assemblies connect to each other by a torque transferring connection, between the spindle and rotary guide-bush assemblies along the axis to transfer driving torque during acceleration or deceleration of the spindle rotation driven by the spindle motor to the rotary guide-bush of the rotary guide-bush assembly.Type: ApplicationFiled: January 22, 2019Publication date: July 25, 2019Applicant: GILDEMEISTER ITALIANA S.P.A.Inventors: Mirko PASSERINI, Valter GINAMI
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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