Patents Assigned to Sodick Co., Ltd.
  • Patent number: 11678689
    Abstract: A peeling method includes a first decompression step, a pressure-heating step, and a second decompression step. In the first decompression step, an object with a skin to be peeled is placed in a pressure chamber being sealed, and an inside of the pressure chamber is decompressed to a predetermined first negative pressure state. In the pressure-heating step, the inside of the pressure chamber is pressure-heated to a predetermined pressure-heating state after the first decompression step. In the second decompression step, the inside of the pressure chamber is decompressed to a predetermined second negative pressure state after the pressure-heating step.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: June 20, 2023
    Assignee: Sodick Co., Ltd.
    Inventors: Maya Ueno, Yasuhisa Ogata, Akinori Noguchi
  • Patent number: 11660693
    Abstract: An electric discharge machine 1 incudes: a machining tank 11; a dirty fluid tank 13; a circulation pump 21; a filter unit 3 including a filter element 31 and a filter case 33; a fixing mechanism 5 fixing the filter unit; a clean fluid tank 15; and a fluid feeding pump 23. The fixing mechanism includes: a bracket 51 fixed in a predetermined position; a rotating member 53 rotatably connected to the bracket; a lever 6 having: a link 61 of which one end is connected to the rotating member, a nut 63 arranged on the other end of the link, and a rod 65 screwed with the nut; a locked member 55 fixed to the bracket and engaged with the rod; and a pressing member 7 of which one end is connected to the rotating member 53 and the other end presses the filter case.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: May 30, 2023
    Assignee: Sodick Co., Ltd.
    Inventor: Akio Hosaka
  • Publication number: 20230135308
    Abstract: An upper guide assembly includes an upper wire guide, an upper power feed contact, and a power feed contact movement device, and a lower guide assembly includes a lower power feed contact. The upper power feed contact and the lower power feed contact are configured to contact the wire electrode to supply power by moving in a horizontal direction from initial positions not contacting the wire electrode. The power feed contact movement device is configured to move the upper power feed contact in the horizontal direction from the initial position by a predetermined offset amount. The offset amount is set based on a machining condition including at least one of a condition of the wire electrode, a condition of a workpiece, and a surface roughness required for a cut surface of the workpiece.
    Type: Application
    Filed: October 14, 2022
    Publication date: May 4, 2023
    Applicant: Sodick Co., Ltd.
    Inventor: Manabu TSUKUDA
  • Publication number: 20230132245
    Abstract: A method for preparing an additive manufacturing program includes a loading step, a dividing step, an overhang calculating step, a subdividing step, a maintaining step, and an outputting step. In the loading step, a three-dimensional model is loaded. In the dividing step, the three-dimensional model is divided into divided layers. In the overhang calculating step, an overhang angle or overhang length of the divided layer is calculated. In the subdividing step, at least a part of the divided layer including an overhang portion is subdivided into two or more in a lamination direction. In the maintaining step, neither subdivision of the divided layer nor addition of a support structure supporting the divided layer is performed. The subdividing step and the maintaining step are selectively performed based on the overhang angle or overhang length. In the outputting step, an additive manufacturing program defining a command pertaining to additive manufacturing is output.
    Type: Application
    Filed: July 26, 2022
    Publication date: April 27, 2023
    Applicant: Sodick Co., Ltd.
    Inventor: Yasuyuki MIYASHITA
  • Publication number: 20230104794
    Abstract: The apparatus for additively manufacturing includes a chamber, a work table, a base plate, an imaging apparatus, an image processing apparatus, and a control apparatus. The imaging apparatus images a first region including an entire build region on the work table to obtain a first image which the image processing apparatus analyzes to obtain position information of the base plate in the build region. The control apparatus calculates coordinates of a detection target point as first calculated coordinates from the position information. The imaging apparatus images a second region being a part of the first region and including the first calculated coordinates to obtain a second image which the image processing apparatus analyzes to obtain position information of the detection target point in the build region. The control apparatus calculates coordinates of the detection target point as second calculated coordinates from the position information of the detection target point.
    Type: Application
    Filed: August 4, 2022
    Publication date: April 6, 2023
    Applicant: Sodick Co., Ltd.
    Inventors: Mikio KANEKO, Katsuhiko KOBAYASHI, Kyokatsu MOTOYA
  • Publication number: 20230106603
    Abstract: An additive manufacturing apparatus including a chamber, a manufacturing table, an imaging device, an image processing device, and a control device, in which a base plate disposed on the manufacturing table includes a first side and a second side, a first camera in the imaging device images a first region to acquire a first image and images a second region to acquire a second image, the image processing device analyzes the first and second images to acquire position information of each side, and the control device calculates a coordinate of an intersection point of the first side and the second side or an intersection point on extended lines of the first side and the second side as a point to be detected.
    Type: Application
    Filed: September 28, 2022
    Publication date: April 6, 2023
    Applicant: Sodick Co., Ltd.
    Inventors: Mikio KANEKO, Katsuhiko KOBAYASHI, Kyokatsu MOTOYA
  • Publication number: 20230083718
    Abstract: A stirring apparatus for foods includes an endless conveyer, a plurality of cups, and a rotation mechanism. The endless conveyer has a conveying surface circulating in an endless manner and is arranged to be inclined. The cups are attached to the endless conveyer to be perpendicular to the conveying surface. The rotation mechanism rotates the cups. The rotation mechanism includes a rotation shaft, a driven magnet, a driving magnet, and a rotation driving device. One end of the rotation shaft is fixed to a bottom plate of the cup. The driven magnet is provided at the other end of the rotation shaft. The driving magnet faces the driven magnet at a predetermined interval. The rotation driving device rotates the driving magnet.
    Type: Application
    Filed: July 13, 2022
    Publication date: March 16, 2023
    Applicant: Sodick Co., Ltd.
    Inventors: Kenichi IWAO, Masato TANIGUCHI, Maiko DODA
  • Publication number: 20230067273
    Abstract: A method for measuring a rotation center of a multi-axis processing machine 100 includes: using reference ball 8 and a measurement device 7 which has a probe 71 and measures, as a measurement value 72, a movement amount of the probe 71 when the reference ball 8 contacts the probe 71; executing a measurement process of rotating the rotation axis to measure the measurement value 72 in a state in which the reference ball 8 installed to one of the processing head 2 and the table 62, 63 contacts the probe 71 of the measurement device 71 installed to another of the processing head 2 and the table 62, 63; and executing a rotation center calculation process of calculating a rotation center of the rotation axis from the measurement value 72, a rotation angle of the rotation axis, and a position of a center of the reference ball 8.
    Type: Application
    Filed: August 16, 2022
    Publication date: March 2, 2023
    Applicant: Sodick Co., Ltd.
    Inventor: Michihisa KAWASAKI
  • Patent number: 11590594
    Abstract: A compact lower guide unit that allows the electrode guide to be attached and detached more easily and reliably. Provided is a lower guide unit including a housing, an electrode guide, and a pull-up mechanism having a guide support, links, and a power cylinder. The guide support includes a biasing member and a displacement member. The biasing member can bias the displacement member, and the displacement member can be displaced between a restriction position and a release position. The links can be rotated by a force applied by the power cylinder. The electrode guide is fixed to the guide support by a biasing force of the biasing member when the displacement member is in the restriction position, and the electrode guide is released from the lower guide unit when the displacement member is displaced to the release position.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: February 28, 2023
    Assignee: Sodick Co., Ltd.
    Inventors: Jun Takahashi, Yasuhiko Fujisawa, Yuzo Dohi
  • Patent number: 11571750
    Abstract: A lamination molding apparatus includes a molding room, a chamber, a chamber window, a molding table, a molding table driving device, surrounding walls, an irradiation device, a measuring unit, and a controller. The measuring unit includes a first measuring device acquiring a measured value of a light intensity, and a second measuring device acquiring a value of a beam diameter, and measures laser beams outputted based on set values of light intensity during molding. The controller determines an abnormality has occurred when a slope of a linear function obtained from a relationship between the measured value of the light intensity and the value of the beam diameter at a predetermined height is out of a predetermined range, or when a slope of a linear function obtained from a relationship between the measured value of the light intensity and a value of a focal position is out of a predetermined range.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: February 7, 2023
    Assignee: Sodick Co., Ltd.
    Inventor: Yasuyuki Miyashita
  • Publication number: 20230013567
    Abstract: An additive manufacturing apparatus includes: a chamber, including a front plate; a door, provided at an opening of the front plate; an irradiator; a gas supplier, supplying an inert gas to the chamber; and a gas discharger, discharging the inert gas from the chamber. The gas supplier includes a middle nozzle and a lower nozzle. The middle nozzle is provided so as to cross the opening when the door is closed, has one end swingably supported on the front plate, and swings independently of opening and closing of the door.
    Type: Application
    Filed: May 22, 2022
    Publication date: January 19, 2023
    Applicant: Sodick Co., Ltd.
    Inventor: Katsutaka MURANAKA
  • Patent number: 11548196
    Abstract: An injection apparatus of the invention injects a molding material supplied from a material supply port, and includes a die, a material supply apparatus that extrudes the molding material that is thread-like or strip-like via the die, and a material guide apparatus that guides the molding material supplied via the die to the material supply port. The material discharge port of the material supply apparatus and the die protrude downward in the material supply apparatus, and a pressure inside the material guide apparatus is reduced by a pressure reducing apparatus from a pressure reducing port provided above the material discharge port of the material supply apparatus and the die.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 10, 2023
    Assignee: SODICK CO., LTD.
    Inventor: Koichi Yokoyama
  • Patent number: 11541604
    Abstract: A method for producing a three-dimensional molded object includes forming a solidified layer, calculating a laser power, calculating a scanning speed, calculating a beam diameter, and determining that the solidified layer is poor when the laser power is outside a first reference range related to the laser power, the scanning speed is outside a second reference range related to the scanning speed, or the beam diameter is outside a third reference range related to the beam diameter.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: January 3, 2023
    Assignee: Sodick Co., Ltd.
    Inventor: Yasuyuki Miyashita
  • Patent number: 11534843
    Abstract: To automatically change and set machining conditions suitable for a plate thickness even when machining paths of a rough machining step and an end surface finishing step are different in level difference machining in which the plate thickness changes during machining. In a wire electric discharge machining method and a wire electric discharge machining apparatus of the disclosure, an XY-plane of a workpiece stand is divided into small regions to form a plurality of divided regions, and a plate thickness of the workpiece is detected and stored in association with the divided regions. Thereafter, whether there is a level difference ahead of a traveling direction of a machining path is estimated according to plate thickness information associated with the divided regions and a plate thickness of the workpiece at a current machining position, and machining conditions are changed.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: December 27, 2022
    Assignee: Sodick Co., Ltd.
    Inventors: Kuniharu Yamada, Kohei Matsuura
  • Publication number: 20220395908
    Abstract: A stress controlled layer is constituted to include a compressive stress applied part that is a region to which a compressive stress is applied and a compressive stress non-applied part that is a region different from the compressive stress applied part. In a solidifying step, scanning of a laser beam or an electron beam is performed while a scanning direction for the compressive stress applied part is different from a scanning direction for the compressive stress non-applied part such that the compressive stress applied part expands further than the compressive stress non-applied part or the compressive stress non-applied part shrinks compared with the compressive stress applied part based on a relationship between the scanning direction and an expansion quantity or a shrinkage quantity at a time of temperature change or at a time of heat treatment.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 15, 2022
    Applicant: Sodick Co., Ltd.
    Inventors: Ichiro ARAIE, Toshio KAJI, Tatsuro HAYAKAWA, Hiroshi AMIOKA, Atsushi HIROTA
  • Patent number: 11498119
    Abstract: An injection device of a light metal injection molding machine of the disclosure includes: a melting cylinder that heats and melts a billet pushed along a cylinder hole and stores molten metal; an injection cylinder that injects, by an inserted plunger, the molten metal supplied by free fall due to the own weight from the melting cylinder through a communication path that can be opened and closed; and a molten metal pot in which a molten metal supply/discharge port connected to the melting cylinder is opened at a location in the melting cylinder that does not face an opening of the communication path on the melting cylinder side, and molten metal in an amount in excess of a capacity that can be stored in the melting cylinder is stored.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: November 15, 2022
    Assignee: Sodick Co., Ltd.
    Inventors: Shinjiro Tsuji, Shuji Kai
  • Publication number: 20220355311
    Abstract: The invention provides an electrostatic precipitator, including: a gas inlet, supplied with gas containing dust that is a magnetic substance; a charging part, charging the dust; a collecting part, capturing the charged dust; a cleaning device, including at least one of a charging part cleaning device and a collecting part cleaning device; a magnet filter, provided downstream of the collecting part; an ozone removing filter, provided downstream of the magnet filter and removing ozone from the gas; and a gas outlet, discharging the gas in which the dust and the ozone are removed. In the magnet filter, multiple magnet plates are arranged at a predetermined interval. A downstream side of each magnet plate provided on an upper side with respect to a center is inclined downward. A downstream side of each magnet plate provided on a lower side with respect to the center is inclined upward.
    Type: Application
    Filed: April 17, 2022
    Publication date: November 10, 2022
    Applicant: Sodick Co., Ltd.
    Inventors: Shuichi KAWADA, Hiroki TATSUNO
  • Publication number: 20220339696
    Abstract: An injection device of a light metal injection molding machine of the disclosure includes: a melting cylinder that heats and melts a billet pushed along a cylinder hole and stores molten metal; an injection cylinder that injects, by an inserted plunger, the molten metal supplied by free fall due to the own weight from the melting cylinder through a communication path that can be opened and closed; and a molten metal pot in which a molten metal supply/discharge port connected to the melting cylinder is opened at a location in the melting cylinder that does not face an opening of the communication path on the melting cylinder side, and molten metal in an amount in excess of a capacity that can be stored in the melting cylinder is stored.
    Type: Application
    Filed: March 8, 2022
    Publication date: October 27, 2022
    Applicant: Sodick Co., Ltd.
    Inventors: Shinjiro TSUJI, Shuji KAI
  • Patent number: 11480939
    Abstract: The disclosure is a rotation center measurement method of a multi-axis processing machine which relatively moves tables on which a work piece is placed and a tool for processing the work piece by control of rotation axes based on a processing program, and the rotation center measurement method is characterized to include: a processing program acquisition step in which the processing program is acquired; a processing program analysis step in which command angles of tool postures are read from the processing program and analyzed, and measurement angles are calculated based on the analysis results; and a geometric deviation measurement step in which a reference sphere is placed on the tables and the tables and the tool are relatively moved to measure a position of the reference sphere, and directions and positions of rotation centers of the rotation axes are calculated.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: October 25, 2022
    Assignee: Sodick Co., Ltd.
    Inventors: Michihisa Kawasaki, Shoya Yokota, Munetaka Ambai
  • Patent number: 11471945
    Abstract: A lamination molding apparatus includes: a material layer forming device that forms a material layer in a molding region; an irradiator that sinters or melts the material layer to form a solidified layer; and a cooling device that cools, to a cooling temperature, at least a part including an upper surface of a solidified body. The material layer forming device includes: a base having the molding region, a recoater head disposed on the base, a recoater head driving device that reciprocates the recoater head in a horizontal direction, and a blade that is arranged on the recoater head and that levels material powder to form the material layer. The cooling device includes: a cooling body that is controlled to the cooling temperature and comes into contact with the upper surface of the solidified body, and a mounting member that mounts the cooling body to the recoater head.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: October 18, 2022
    Assignee: Sodick Co., Ltd.
    Inventors: Naoto Nakamura, Shuji Okazaki