Patents Assigned to Lapmaster Wolters GmbH
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Patent number: 11878335Abstract: The disclosure pertains to a fine blanking press comprising a first press unit comprising a first press drive for driving the first press unit in a first driving movement during a fine blanking process step, and a second press unit wherein the second press unit is driven in a second driving movement at least partially during the first driving movement of the first press unit, and wherein a force control unit exerts a counter force against a force exerted by the first press unit during its first driving movement, and wherein the force control unit comprises at least one sensor and a controller operative to receive measuring data collected by the at least one sensor, and wherein the controller is configured to carry out a closed loop control on basis of the received measuring data. The disclosure further pertains to a method for operating a fine blanking press.Type: GrantFiled: December 13, 2019Date of Patent: January 23, 2024Assignee: Lapmaster Wolters GmbHInventor: Jose Lozano Bonet
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Patent number: 11779988Abstract: A fine blanking system comprises one or more movable parts, further comprises at least one first drive of a first drive type and at least one second drive of a second drive type different from the first drive type for driving at least one of the movable parts, wherein the first drive and the second drive are arranged to drive the same movable part.Type: GrantFiled: May 5, 2020Date of Patent: October 10, 2023Assignee: Lapmaster Wolters GmbHInventor: Jose Lozano Bonet
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Publication number: 20230234119Abstract: A fine blanking press includes a press frame with two or more guide elements extending along a vertical axis, a press ram including a ram plate section configured to carry a fine blanking tool and two or more guide sections positioned on the two opposing side surfaces of the ram plate section. The ram plate section includes an upper surface, lower surface, and two opposing side surfaces. The two or more guide sections are structured to guide movement of the press ram relative to a press frame of the fine blanking press during a fine blanking process. The two or more guide sections extend in a vertical direction to a level that is higher than the upper surface of the ram plate section.Type: ApplicationFiled: March 31, 2023Publication date: July 27, 2023Applicant: Lapmaster Wolters GmbHInventor: José Lozano Bonet
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Patent number: 11642716Abstract: A press ram for a fine blanking press comprises a ram plate section configured to carry a fine blanking tool and at least two guide sections positioned on opposing sides of the ram plate section. The ram plate section comprises an upper surface, a lower surface, and two opposing side surfaces. The at least two guide sections of the ram plate section are configured to guide movement of the press ram relative to a press frame during a fine blanking process. The at least two guide sections extend in a vertical direction to a level that is higher than the upper side of the ram plate section.Type: GrantFiled: December 3, 2020Date of Patent: May 9, 2023Assignee: Lapmaster Wolters GmbHInventor: José Lozano Bonet
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Publication number: 20220371154Abstract: A method for operating a double-sided processing machine having a top working disk and a bottom working disk which rotate relative to each other and define a working gap between them that is configured for processing flat workpieces is disclosed. The method includes performing a heating step by heating at least the working disks to an operating temperature using a heating apparatus. Then processing the workpieces using one or more processing steps after completion of the heating step.Type: ApplicationFiled: May 18, 2022Publication date: November 24, 2022Applicant: Lapmaster Wolters GmbHInventor: Robert Ravlic
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Patent number: 11484931Abstract: A fine blanking press comprises a blanking ram and a counter unit positioned opposite the blanking ram. A press drive is configured to drive at least the blanking ram along a driving direction during a fine blanking process step. A feeding device is configured to feed a process material to a process zone defined between the blanking ram and the counter unit and at least one handling device is configured to handle the process material outside of the process zone. At least one levelling drive is configured to drive the at least one handling device in a same direction as the blanking ram during a fine blanking process step.Type: GrantFiled: June 26, 2019Date of Patent: November 1, 2022Assignee: Lapmaster Wolters GmbHInventor: Jose Lozano Bonet
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Publication number: 20220258300Abstract: A machine tool includes a first support disk and a first working disk. The first working disk defines a clamping surface and is fastened to the first support disk. A counter bearing element is positioned relative to the first working disk such that a working gap is formed between the first working disk and the counter bearing element and is dimensioned to accept a flat workpiece. A first clamping arrangement clamps the clamping surface of the first working disk to the first support disk such that the clamping surface faces away from the working gap. At least one decoupling element is positioned to at least one decoupling element configured to reduce friction between the first support disk and the first working disk.Type: ApplicationFiled: February 16, 2022Publication date: August 18, 2022Applicant: Lapmaster Wolters GmbHInventors: Hans-Peter Boller, Ingo Neuber
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Patent number: 11331711Abstract: A method for operating a fine blanking system comprises at least one fine blanking press having a first press unit, a second press unit, and one or more sensors. The method comprises obtaining parameter data from the one or more sensors for at least one of the first press unit, the second press unit, and another component of the fine blanking system during a first fine blanking process step. Adjustments are determined for control parameters of at least one of the first press unit, the second press unit, and the other component based on the parameter data. The adjustments are applied to the control parameters in a second fine blanking process step subsequent to the first fine blanking process step.Type: GrantFiled: April 16, 2020Date of Patent: May 17, 2022Assignee: Lapmaster Wolters GmbHInventor: Jose Lozano Bonet
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Publication number: 20220097205Abstract: A machining machine comprises a first support disk, a first working disk coupled to the first support disk, and a counter bearing element positioned to define a working gap between the first working disk and the counter bearing element. The first working disk and the counter bearing element are configured to rotate relative to each other to machine at least one side of a flat workpiece. A pressure volume is positioned between the first support disk and the first working disk and is configured to hold a pressure fluid, which generates a pressure configured to deform the first working disk. One or more temperature-controlling channels are positioned within the first working disk and configured to hold a temperature-controlling fluid that is configured to control a temperature of the first working disk, wherein the one or more temperature-controlling channels are fluidly separate from the pressure volume.Type: ApplicationFiled: September 27, 2021Publication date: March 31, 2022Applicant: Lapmaster Wolters GmbHInventors: Hans-Peter Boller, Ingo Neuber
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Patent number: 11273533Abstract: A machining machine includes an annular bottom working disk and a top counter bearing element. The bottom working disk and top counter bearing element are driven to rotate relative to each other. A working gap is defined between the bottom working disk and the top counter bearing to machine flat work pieces on at least one side. A means for generating a local deformation of the bottom working disk are also provided.Type: GrantFiled: February 9, 2017Date of Patent: March 15, 2022Assignee: Lapmaster Wolters GmbHInventor: Hans-Peter Boller
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Publication number: 20210220963Abstract: A rotor disk for guiding workpieces in a double-sided processing machine including a fluid feeding apparatus to feed a processing fluid into a working gap between a first working disk and a second working disk is provided. The rotor disk comprises a surface defining at least one workpiece opening configured to receive at least one workpiece to be processed on both sides in the double-sided processing machine in a material-removing manner using the processing fluid. A contact angle of a drop of the processing fluid with the surface is at least 60°.Type: ApplicationFiled: January 21, 2021Publication date: July 22, 2021Applicant: Lapmaster Wolters GmbHInventors: Helge Möller, Jörn Kanzow
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Patent number: 10987835Abstract: A method for casting a ring-shaped plastic frame comprises providing two mold parts, wherein at least one of the two molds parts includes at least one ring-shaped seat. Positioning a rotor disk between the two mold parts where the rotor disk comprises at least one annular recess. Engaging a mold core with at least a portion of each of the two mold parts. The mold core comprises at least one casting channel configured to attach at one end to a supply of plastified plastic. Inserting at least one mold insert into the at least one ring-shaped seat. A mold volume is defined by the at least one mold insert, the mold core and an edge of the at least one annular recess, wherein the mold volume is configured to fluidly connect with the at least one casting channel to receive plastified plastic to form a plastic frame.Type: GrantFiled: December 17, 2019Date of Patent: April 27, 2021Assignee: Lapmaster Wolters GmbHInventors: Helge Moeller, Joern Kanzow
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Publication number: 20200353528Abstract: Fine blanking system comprising one or more movable parts, further comprising at least one first drive of a first drive type and at least one second drive of a second drive type different from the first drive type for driving at least one of the movable parts, wherein the first drive and the second drive are arranged to drive the same movable part.Type: ApplicationFiled: May 5, 2020Publication date: November 12, 2020Applicant: Lapmaster Wolters GmbHInventor: Jose Lozano Bonet
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Publication number: 20200331052Abstract: A method for operating a fine blanking system comprises at least one fine blanking press having a first press unit, a second press unit, and one or more sensors. The method comprises obtaining parameter data from the one or more sensors for at least one of the first press unit, the second press unit, and another component of the fine blanking system during a first fine blanking process step. Adjustments are determined for control parameters of at least one of the first press unit, the second press unit, and the other component based on the parameter data. The adjustments are applied to the control parameters in a second fine blanking process step subsequent to the first fine blanking process step.Type: ApplicationFiled: April 16, 2020Publication date: October 22, 2020Applicant: Lapmaster Wolters GmbHInventor: Jose Lozano Bonet
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Publication number: 20200188983Abstract: The disclosure pertains to a fine blanking press comprising a first press unit comprising a first press drive for driving the first press unit in a first driving movement during a fine blanking process step, and a second press unit wherein the second press unit is driven in a second driving movement at least partially during the first driving movement of the first press unit, and wherein a force control unit exerts a counter force against a force exerted by the first press unit during its first driving movement, and wherein the force control unit comprises at least one sensor and a controller operative to receive measuring data collected by the at least one sensor, and wherein the controller is configured to carry out a closed loop control on basis of the received measuring data. The disclosure further pertains to a method for operating a fine blanking press.Type: ApplicationFiled: December 13, 2019Publication date: June 18, 2020Applicant: Lapmaster Wolters GmbHInventor: Jose Lozano Bonet
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Publication number: 20200114549Abstract: A method for casting a ring-shaped plastic frame comprises providing two mold parts, wherein at least one of the two molds parts includes at least one ring-shaped seat. Positioning a rotor disk between the two mold parts where the rotor disk comprises at least one annular recess. Engaging a mold core with at least a portion of each of the two mold parts. The mold core comprises at least one casting channel configured to attach at one end to a supply of plastified plastic. Inserting at least one mold insert into the at least one ring-shaped seat. A mold volume is defined by the at least one mold insert, the mold core and an edge of the at least one annular recess, wherein the mold volume is configured to fluidly connect with the at least one casting channel to receive plastified plastic to form a plastic frame.Type: ApplicationFiled: December 17, 2019Publication date: April 16, 2020Applicant: Lapmaster Wolters GmbHInventors: Helge Moller, Jurgen Kanzow
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Patent number: 10543625Abstract: The invention relates to a device for casting a ring-shaped plastic frame. The device includes a first mold part and a second mold part, a rotor having at least one recess, and a mold core. The mold core includes at least one casting channel configured to connect to a supply one end. The mold parts may also include at least one mold insert. The mold volume is at least partially defined by the at least one mold insert, the at least one recess of the rotor, and the mold core. The mold volume is fluidly connected to the other end of the at least one casting channel.Type: GrantFiled: July 29, 2016Date of Patent: January 28, 2020Assignee: Lapmaster Wolters GmbHInventors: Helge Moller, Jurgen Kanzow
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Publication number: 20200009633Abstract: A fine blanking press comprises a blanking ram and a counter unit positioned opposite the blanking ram. A press drive is configured to drive at least the blanking ram along a driving direction during a fine blanking process step. A feeding device is configured to feed a process material to a process zone defined between the blanking ram and the counter unit and at least one handling device is configured to handle the process material outside of the process zone. At least one levelling drive is configured to drive the at least one handling device in a same direction as the blanking ram during a fine blanking process step.Type: ApplicationFiled: June 26, 2019Publication date: January 9, 2020Applicant: Lapmaster Wolters GmbHInventor: Jose Lozano Bonet
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Publication number: 20180056478Abstract: A method for measuring the thickness of flat workpieces processed in a double-side processing machine comprises processing the workpieces in a working gap formed between an upper working disk and a lower working disk configured to remove material from the workpieces. Optically measuring the thickness of the workpieces during processing by at least one optical thickness measurement apparatus disposed on at least one of the upper working disk or the lower working disk. The at least one optical thickness measurement apparatus configured to measure the thickness of the workpieces disposed in the working gap through at least one through-hole in a corresponding upper working disk or the lower working disk. Supplying the measurement results of the at least one thickness measurement apparatus to a control apparatus of the double-side processing machine. Terminating the processing of the workpieces once a previously specified target thickness of the workpieces is reached.Type: ApplicationFiled: August 28, 2017Publication date: March 1, 2018Applicant: Lapmaster Wolters GmbHInventors: Jörn Kanzow, Sascha Werth