Patents Assigned to Lapmaster Wolters GmbH
  • Patent number: 11878335
    Abstract: 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: Grant
    Filed: December 13, 2019
    Date of Patent: January 23, 2024
    Assignee: Lapmaster Wolters GmbH
    Inventor: Jose Lozano Bonet
  • Patent number: 11779988
    Abstract: 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: Grant
    Filed: May 5, 2020
    Date of Patent: October 10, 2023
    Assignee: Lapmaster Wolters GmbH
    Inventor: Jose Lozano Bonet
  • Publication number: 20230234119
    Abstract: 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: Application
    Filed: March 31, 2023
    Publication date: July 27, 2023
    Applicant: Lapmaster Wolters GmbH
    Inventor: José Lozano Bonet
  • Patent number: 11642716
    Abstract: 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: Grant
    Filed: December 3, 2020
    Date of Patent: May 9, 2023
    Assignee: Lapmaster Wolters GmbH
    Inventor: José Lozano Bonet
  • Publication number: 20220371154
    Abstract: 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: Application
    Filed: May 18, 2022
    Publication date: November 24, 2022
    Applicant: Lapmaster Wolters GmbH
    Inventor: Robert Ravlic
  • Patent number: 11484931
    Abstract: 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: Grant
    Filed: June 26, 2019
    Date of Patent: November 1, 2022
    Assignee: Lapmaster Wolters GmbH
    Inventor: Jose Lozano Bonet
  • Publication number: 20220258300
    Abstract: 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: Application
    Filed: February 16, 2022
    Publication date: August 18, 2022
    Applicant: Lapmaster Wolters GmbH
    Inventors: Hans-Peter Boller, Ingo Neuber
  • Patent number: 11331711
    Abstract: 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: Grant
    Filed: April 16, 2020
    Date of Patent: May 17, 2022
    Assignee: Lapmaster Wolters GmbH
    Inventor: Jose Lozano Bonet
  • Publication number: 20220097205
    Abstract: 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: Application
    Filed: September 27, 2021
    Publication date: March 31, 2022
    Applicant: Lapmaster Wolters GmbH
    Inventors: Hans-Peter Boller, Ingo Neuber
  • Patent number: 11273533
    Abstract: 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: Grant
    Filed: February 9, 2017
    Date of Patent: March 15, 2022
    Assignee: Lapmaster Wolters GmbH
    Inventor: Hans-Peter Boller
  • Publication number: 20210220963
    Abstract: 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: Application
    Filed: January 21, 2021
    Publication date: July 22, 2021
    Applicant: Lapmaster Wolters GmbH
    Inventors: Helge Möller, Jörn Kanzow
  • Patent number: 10987835
    Abstract: 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: Grant
    Filed: December 17, 2019
    Date of Patent: April 27, 2021
    Assignee: Lapmaster Wolters GmbH
    Inventors: Helge Moeller, Joern Kanzow
  • Publication number: 20200353528
    Abstract: 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: Application
    Filed: May 5, 2020
    Publication date: November 12, 2020
    Applicant: Lapmaster Wolters GmbH
    Inventor: Jose Lozano Bonet
  • Publication number: 20200331052
    Abstract: 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: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: Lapmaster Wolters GmbH
    Inventor: Jose Lozano Bonet
  • Publication number: 20200188983
    Abstract: 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: Application
    Filed: December 13, 2019
    Publication date: June 18, 2020
    Applicant: Lapmaster Wolters GmbH
    Inventor: Jose Lozano Bonet
  • Publication number: 20200114549
    Abstract: 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: Application
    Filed: December 17, 2019
    Publication date: April 16, 2020
    Applicant: Lapmaster Wolters GmbH
    Inventors: Helge Moller, Jurgen Kanzow
  • Patent number: 10543625
    Abstract: 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: Grant
    Filed: July 29, 2016
    Date of Patent: January 28, 2020
    Assignee: Lapmaster Wolters GmbH
    Inventors: Helge Moller, Jurgen Kanzow
  • Publication number: 20200009633
    Abstract: 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: Application
    Filed: June 26, 2019
    Publication date: January 9, 2020
    Applicant: Lapmaster Wolters GmbH
    Inventor: Jose Lozano Bonet
  • Publication number: 20180056478
    Abstract: 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: Application
    Filed: August 28, 2017
    Publication date: March 1, 2018
    Applicant: Lapmaster Wolters GmbH
    Inventors: Jörn Kanzow, Sascha Werth