Patents by Inventor Yasuhiko KUROSUMI
Yasuhiko KUROSUMI 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: 11385617Abstract: A diagnostic apparatus includes a context information acquisition unit that acquires context information of operation being performed from a plurality of mechanical apparatuses, a sensing information acquisition unit that acquires physical quantity sensing information sensed by each of sensing units of a target machine and other mechanical apparatuses, a sensing information separation unit that separates the physical quantity information of the target machine and the physical quantity information of the other mechanical apparatuses from each other based on the context information and the sensing information of each of the plurality of mechanical apparatuses, a feature information extraction unit that extracts feature information of the physical quantity information, and an anomaly determination unit that determines, from a model corresponding to the acquired context information and the extracted feature information, whether or not operation of the target machine is normal.Type: GrantFiled: August 17, 2020Date of Patent: July 12, 2022Assignee: FANUC CORPORATIONInventor: Yasuhiko Kurosumi
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Publication number: 20210096531Abstract: A diagnostic apparatus includes a context information acquisition unit that acquires context information of operation being performed from a plurality of mechanical apparatuses, a sensing information acquisition unit that acquires physical quantity sensing information sensed by each of sensing units of a target machine and other mechanical apparatuses, a sensing information separation unit that separates the physical quantity information of the target machine and the physical quantity information of the other mechanical apparatuses from each other based on the context information and the sensing information of each of the plurality of mechanical apparatuses, a feature information extraction unit that extracts feature information of the physical quantity information, and an anomaly determination unit that determines, from a model corresponding to the acquired context information and the extracted feature information, whether or not operation of the target machine is normal.Type: ApplicationFiled: August 17, 2020Publication date: April 1, 2021Inventor: Yasuhiko KUROSUMI
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Patent number: 10866411Abstract: A cleaning device includes: a lens cover configured to cover an object lens of a camera provided in a machining area of a machine tool, the lens cover being transparent; a motor configured to rotate the lens cover; and a wiping member configured to, when the lens cover rotates, wipe at least an adhering substance that has adhered to a region of the lens cover in an angle-of-view of the camera.Type: GrantFiled: April 3, 2019Date of Patent: December 15, 2020Assignee: FANUC CORPORATIONInventors: Hideaki Adachi, Yasuhiko Kurosumi, Yoshihiko Tarui
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Patent number: 10775767Abstract: A machining system includes a machine tool having a camera, and a three-dimensional shape generating apparatus. The three-dimensional shape generating apparatus includes an image capture unit that captures a first image from the camera at a first relative position and captures a second image from the camera at a second relative position, and a shape generator that generates a three-dimensional shape of at least one subject, based on the first image, the second image and a distance between the first relative position and the second relative position.Type: GrantFiled: March 25, 2019Date of Patent: September 15, 2020Assignee: FANUC CORPORATIONInventors: Hideaki Adachi, Yasuhiko Kurosumi, Yoshihiko Tarui
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Patent number: 10775319Abstract: A system includes a visual sensor provided in an industrial machine or in the vicinity thereof to acquire a plurality of image data, a calculation unit that calculates a contamination degree of a lens or a lens cover of the visual sensor on the basis of the image data acquired by the visual sensor, and a prediction unit that calculates information on a predicted cleaning timing to be performed in the future, of the lens or the lens cover on the basis of the calculated contamination degree of the lens or the lens cover.Type: GrantFiled: May 23, 2019Date of Patent: September 15, 2020Assignee: FANUC CORPORATIONInventors: Miho Niikura, Yasuhiko Kurosumi, Yoshihiko Tarui
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Patent number: 10599123Abstract: The machine tool according to the present invention has: a function to set upper limits and lower limits for cutting conditions including a cutting width, a cutting depth, and a cutting load of a tool; a function to set a range and a modification condition of the machining program modifying the cutting width or the cutting depth of the tool; a function to modify, based on the modification condition, a movement amount of a block that orders a feeding operation of the machining program; a function to calculate a load imposed upon cutting, based on a cutting condition obtained prior to modification of the machining program and a variation in the modified movement amount; and a function to determine whether or not the calculated load and the modified movement amount fall within the set ranges between the upper limits and the lower limits of the cutting width or cutting depth and the cutting load.Type: GrantFiled: January 28, 2016Date of Patent: March 24, 2020Assignee: FANUC CORPORATIONInventor: Yasuhiko Kurosumi
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Patent number: 10507558Abstract: A machine tool system includes a machine tool main body for machining a workpiece supported on a table by using a tool detachably attached to a spindle, and an information processing apparatus. The machine tool main body includes a rotary tool magazine in which multiple grips each capable of holding the tool to be attached to the spindle are provided along the circumferential direction, and an image pickup device that is arranged in the tool magazine and configured to take an image of multiple members in a machining area of the machine tool main body. The information processing apparatus includes a geometric feature calculating unit configured to calculate the shapes and the arrangement state of the multiple members in the machining area, based on image data of the image taken by the image pickup device.Type: GrantFiled: February 28, 2018Date of Patent: December 17, 2019Assignee: FANUC CORPORATIONInventors: Yoshiharu Inaba, Hiroyuki Uchida, Zheng Tong, Yasuhiko Kurosumi, Masanori Itou
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Publication number: 20190369031Abstract: A system includes a visual sensor provided in an industrial machine or in the vicinity thereof to acquire a plurality of image data, a calculation unit that calculates a contamination degree of a lens or a lens cover of the visual sensor on the basis of the image data acquired by the visual sensor, and a prediction unit that calculates information on a predicted cleaning timing to be performed in the future, of the lens or the lens cover on the basis of the calculated contamination degree of the lens or the lens cover.Type: ApplicationFiled: May 23, 2019Publication date: December 5, 2019Applicant: FANUC CORPORATIONInventors: Miho NIIKURA, Yasuhiko KUROSUMI, Yoshihiko TARUI
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Publication number: 20190310471Abstract: A cleaning device includes: a lens cover configured to cover an object lens of a camera provided in a machining area of a machine tool, the lens cover being transparent; a motor configured to rotate the lens cover; and a wiping member configured to, when the lens cover rotates, wipe at least an adhering substance that has adhered to a region of the lens cover in an angle-of-view of the camera.Type: ApplicationFiled: April 3, 2019Publication date: October 10, 2019Applicant: FANUC CORPORATIONInventors: Hideaki Adachi, Yasuhiko Kurosumi, Yoshihiko Tarui
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Publication number: 20190294139Abstract: A machining system includes a machine tool having a camera, and a three-dimensional shape generating apparatus. The three-dimensional shape generating apparatus includes an image capture unit that captures a first image from the camera at a first relative position and captures a second image from the camera at a second relative position, and a shape generator that generates a three-dimensional shape of at least one subject, based on the first image, the second image and a distance between the first relative position and the second relative position.Type: ApplicationFiled: March 25, 2019Publication date: September 26, 2019Applicant: FANUC CORPORATIONInventors: Hideaki Adachi, Yasuhiko Kurosumi, Yoshihiko Tarui
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Patent number: 10340835Abstract: In a chip evacuation device that evacuates chips produced in a machine tool to outside of the machine tool, a synchronous motor is used as a power source for the chip evacuation device. A load on the synchronous motor is monitored and a number of rotation or a direction of rotation of the synchronous motor is changed when it is determined that the load exceeds a preset threshold.Type: GrantFiled: June 23, 2016Date of Patent: July 2, 2019Assignee: FANUC CORPORATIONInventor: Yasuhiko Kurosumi
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Publication number: 20180250783Abstract: A machine tool system includes a machine tool main body for machining a workpiece supported on a table by using a tool detachably attached to a spindle, and an information processing apparatus. The machine tool main body includes a rotary tool magazine in which multiple grips each capable of holding the tool to be attached to the spindle are provided along the circumferential direction, and an image pickup device that is arranged in the tool magazine and configured to take an image of multiple members in a machining area of the machine tool main body. The information processing apparatus includes a geometric feature calculating unit configured to calculate the shapes and the arrangement state of the multiple members in the machining area, based on image data of the image taken by the image pickup device.Type: ApplicationFiled: February 28, 2018Publication date: September 6, 2018Applicant: FANUC CORPORATIONInventors: Yoshiharu Inaba, Hiroyuki Uchida, Zheng Tong, Yasuhiko Kurosumi, Masanori Itou
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Patent number: 10010990Abstract: A machine tool with a chip evacuation device according to the present invention is provided with a cleaning mechanism for cleaning a part or the whole of the chip evacuation device and a control unit configured to control respective operations of the chip evacuation device and the cleaning mechanism in association with each other. By using an electric motor, such as a synchronous motor capable of position control, as a power source for the chip evacuation device, the respective operations of the chip evacuation device and the cleaning mechanism can be associated with each other to effectively clean the chip evacuation device.Type: GrantFiled: December 29, 2016Date of Patent: July 3, 2018Assignee: FANUC CORPORATIONInventor: Yasuhiko Kurosumi
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Patent number: 9989957Abstract: A controller for controlling a machine tool calculates a variation of a cutting load based on a changed rotational speed or feed rate of a tool in a machining program for machining a workpiece when the rotational speed or the feed rate is changed, and executes the machining program if the changed rotational speed and/or feed rate of the tool and/or the cutting load are within the ranges of predetermined upper and lower limit values.Type: GrantFiled: November 19, 2015Date of Patent: June 5, 2018Assignee: FANUC CORPORATIONInventor: Yasuhiko Kurosumi
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Publication number: 20170190011Abstract: A machine tool with a chip evacuation device according to the present invention is provided with a cleaning mechanism for cleaning a part or the whole of the chip evacuation device and a control unit configured to control respective operations of the chip evacuation device and the cleaning mechanism in association with each other. By using an electric motor, such as a synchronous motor capable of position control, as a power source for the chip evacuation device, the respective operations of the chip evacuation device and the cleaning mechanism can be associated with each other to effectively clean the chip evacuation device.Type: ApplicationFiled: December 29, 2016Publication date: July 6, 2017Inventor: Yasuhiko KUROSUMI
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Publication number: 20160380574Abstract: In a chip evacuation device that evacuates chips produced in a machine tool to outside of the machine tool, a synchronous motor is used as a power source for the chip evacuation device. A load on the synchronous motor is monitored and a number of rotation or a direction of rotation of the synchronous motor is changed when it is determined that the load exceeds a preset threshold.Type: ApplicationFiled: June 23, 2016Publication date: December 29, 2016Inventor: Yasuhiko KUROSUMI
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Publication number: 20160224004Abstract: The machine tool according to the present invention has: a function to set upper limits and lower limits for cutting conditions including a cutting width, a cutting depth, and a cutting load of a tool; a function to set a range and a modification condition of the machining program modifying the cutting width or the cutting depth of the tool; a function to modify, based on the modification condition, a movement amount of a block that orders a feeding operation of the machining program; a function to calculate a load imposed upon cutting, based on a cutting condition obtained prior to modification of the machining program and a variation in the modified movement amount; and a function to determine whether or not the calculated load and the modified movement amount fall within the set ranges between the upper limits and the lower limits of the cutting width or cutting depth and the cutting load.Type: ApplicationFiled: January 28, 2016Publication date: August 4, 2016Inventor: Yasuhiko KUROSUMI
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Publication number: 20160147212Abstract: A controller for controlling a machine tool calculates a variation of a cutting load based on a changed rotational speed or feed rate of a tool in a machining program for machining a workpiece when the rotational speed or the feed rate is changed, and executes the machining program if the changed rotational speed and/or feed rate of the tool and/or the cutting load are within the ranges of predetermined upper and lower limit values.Type: ApplicationFiled: November 19, 2015Publication date: May 26, 2016Inventor: Yasuhiko KUROSUMI