Patents Assigned to FANUC Corporation
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Publication number: 20230384754Abstract: This numerical control device comprises a distance control unit, a filter unit, a determination unit, and a setting unit. The distance control unit controls the distance between a first object and a second object to be close to a target distance. The filter unit filters a signal indicating the distance. The determination unit determines, on the basis of the target distance, a time constant obtained from the relationship between the distance and an output signal from a distance sensor that measures the distance. The setting unit sets a time constant of the filter to the time constant determined by the determination unit.Type: ApplicationFiled: October 26, 2021Publication date: November 30, 2023Applicant: FANUC CORPORATIONInventor: Daiki KIKKAWA
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Publication number: 20230381982Abstract: A robot maintenance fixture includes: a fixture body removably attached to a robot mounted in a state of being suspended from a stand; a first hanger portion that can be disposed vertically above a position of the center of gravity of a working part of the robot, the working part being a part driven by an actuator on which maintenance is to be performed, the working part being in a state of being attached to the actuator, and with which the working part can be suspended from the fixture body with a first hanger member; and a second hanger portion that can be disposed vertically above a position of the center of gravity of the actuator in a state of being attached to the robot and with which the actuator can be suspended from the fixture body with a second hanger member.Type: ApplicationFiled: October 12, 2021Publication date: November 30, 2023Applicant: FANUC CORPORATIONInventor: Atsushi HORIGOME
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Publication number: 20230384760Abstract: A control device includes: a data access logic storage unit that stores a data access logic used for performing at least any one of reference and update of data related to an industrial machine; a data management unit that, based on the data access logic, performs reference or update of data related to the industrial machine; an operation logic storage unit that stores an operation logic used for performing a control process of the industrial machine; an operation management unit that, based on the operation logic, performs an operation related to the industrial machine; and an interface unit that provides a common interface used for accessing the data management unit and the operation management unit.Type: ApplicationFiled: November 8, 2021Publication date: November 30, 2023Applicant: Fanuc CorporationInventor: Takuya Saitou
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Publication number: 20230381976Abstract: A hand includes a hand part for removing a workpiece; a workpiece holding part that presses the removed workpiece at a prescribed location so as to hold the same; and a base part that supports the hand part and the workpiece holding part.Type: ApplicationFiled: October 25, 2021Publication date: November 30, 2023Applicant: Fanuc CorporationInventor: Atsushi Kimura
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Publication number: 20230375995Abstract: Provided are a display device, a computer program, and a storage medium that make it possible to increase visibility of a tool path. This display device comprises: an oscillation condition setting unit that sets oscillation conditions for oscillation cutting in which a workpiece and a tool are oscillated relative to each other; a tool path information generation unit that generates tool path information related to a tool path on the basis of the oscillation conditions; a determination unit that determines an actual cut portion and an air cut portion on the tool path on the basis of the tool path information; and a display control unit that controls a display unit to display thereon the tool path in which the actual cut portion and the air cut portion on the tool path are displayed in different manners.Type: ApplicationFiled: November 26, 2021Publication date: November 23, 2023Applicant: FANUC CORPORATIONInventors: Masahiko MIYAKE, Masashi YASUDA
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Publication number: 20230375997Abstract: A control device having the function of creating new setting parameters, which are candidates of a parameter to be applied when updating old software to new software, is provided with a software information storage unit, a recommended parameter creating unit, and a parameter storage unit, wherein the software information storage unit acquires and stores, from a storage medium, new software including new item information and candidate value information relating to the parameter, the recommended parameter creating unit creates new recommended parameters on the basis of the new item information and the candidate value information, and the parameter storage unit stores one of the new recommended parameters selected by an operator as a new setting parameter.Type: ApplicationFiled: October 5, 2021Publication date: November 23, 2023Applicant: Fanuc CorporationInventor: Iwao Makino
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Publication number: 20230373094Abstract: An arc welding robot system includes: a robot on which a welding torch is mounted; a robot control device; and a welding power supply that supplies power to the welding torch.Type: ApplicationFiled: October 8, 2021Publication date: November 23, 2023Applicant: Fanuc CorporationInventor: Shigeo Yoshida
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Publication number: 20230373083Abstract: A device for acquiring a positional relationship between a robot coordinate system set in a robot and a working machine coordinate system set in a working machine installed outside the robot, includes a position data acquisition unit that acquires, when a finger part of the robot is placed in a predetermined position and posture with respect to the working machine, first position data indicating the position and posture of the finger part with respect to the robot coordinate system, and second position data indicating the position and the posture of the finger part with respect to the working machine coordinate system; and a positional relationship acquisition unit that acquires third position data indicating the positional relationship using the first position data and the second position data.Type: ApplicationFiled: September 28, 2021Publication date: November 23, 2023Applicant: Fanuc CorporationInventors: Toshiro Watanabe, Masahiro Morioka, Kenichiro Abe, Seigo Kato, Hiroyuki Uchida, Zheng Tong, Masanori Itou
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Patent number: 11823075Abstract: Predicting a state of a mold after molding upon injection molding. A machine learning device includes: an input data acquiring unit that acquires input data including any molding condition including at least a type of resin, a type of additive, a blending ratio of the additive, and a temperature of the resin in molding any article molded by any injection molding machine, and state information indicating a wear amount of a mold before molding at the molding conditions; a label acquiring unit that acquires label data indicating state information of the mold after molding at the molding conditions included in the input data; and a learning unit that executes supervised learning using the input data acquired by the input data acquiring unit and the label data acquired by the label acquiring unit, and generates a learned model.Type: GrantFiled: May 18, 2020Date of Patent: November 21, 2023Assignee: FANUC CORPORATIONInventor: Shinichi Ozeki
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Patent number: 11822308Abstract: A polishing tool wear amount prediction device, machine learning device, and system capable of predicting a wear amount of a polishing tool unit of a polishing tool during polishing are provided. The polishing tool wear amount prediction device includes a machine learning device which observes polishing condition data indicating a processing condition of polishing as a state variable indicating a current environment state and performs, based on the state variable, learning or prediction by using a learning model which stores a correlation of the wear amount of the polishing tool with respect to the processing condition of polishing.Type: GrantFiled: February 5, 2019Date of Patent: November 21, 2023Assignee: FANUC CORPORATIONInventor: He Zhang
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Patent number: 11819961Abstract: A sticking detection device for detecting the presence or absence of sticking of a welding wire disposed in an arc welding robot to a workpiece includes a first sticking detection unit and a second sticking detection unit. The first sticking detection unit detects the presence or absence of sticking based on a voltage value detected with respect to voltage being applied to the welding wire and the workpiece. The second sticking detection unit determines the presence or absence of sticking based on the voltage value and a result of the detection by the first sticking detection unit.Type: GrantFiled: October 19, 2020Date of Patent: November 21, 2023Assignee: FANUC CORPORATIONInventor: Yuuichi Matsuda
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Publication number: 20230364729Abstract: This machine tool comprises: a motor; a motor driving unit; an encoder which detects the rotation speed of the rotary shaft of the motor; a vibration sensor which detects a vibration amount; an acquisition unit which acquires the vibration amount detected by the vibration sensor at the time of a specified rotation speed; and a display control unit which associates the specified rotation speed with the vibration amount and causes a display unit to display the associated result.Type: ApplicationFiled: September 24, 2021Publication date: November 16, 2023Applicant: FANUC CORPORATIONInventor: Toshifumi MURAMATSU
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Publication number: 20230364709Abstract: A galvano scanner that performs scanning with a laser beam according to the present invention includes a galvano unit having a mirror and a mirror drive mechanism, a base member on which the galvano unit is mounted, an outer peripheral member disposed so as to surround the galvano unit, and a frame member to which the base member and the outer peripheral member are attached, and is configured such that the base member and the outer peripheral member are attached to the frame member via a sealing member.Type: ApplicationFiled: October 8, 2021Publication date: November 16, 2023Applicant: Fanuc CorporationInventor: Yoshinori Murakami
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Publication number: 20230364793Abstract: Provided is a command value correction device that can reduce positioning error for a robot. A command value correction device according to one embodiment of the present invention corrects a command value for directing the orientation of a articulated robot that positions a tip end of an arm that has a plurality of joints, the device comprising: a robot model setting unit that sets a robot model that represents the articulated robot with an elastically deformable model; a support model setting unit that sets a support model that represents a support, to which the articulated robot is secured, with an elastically deformable model; a force calculation unit that calculates a force that acts on the support by the weight of the articulated robot if the orientation of the articulated robot follows the command value prior to correction; and a correction unit that corrects the command value so as to cancel out elastic deformation of the support model due to the force calculated by the force calculation unit.Type: ApplicationFiled: December 10, 2021Publication date: November 16, 2023Applicant: FANUC CORPORATIONInventor: Kunihiko HARADA
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Publication number: 20230364812Abstract: The objective of the present invention is to provide a robot system with which, if the position of a robot becomes displaced, it is easy to perform work by employing a camera or the like to apply a three-dimensional correction. This robot system is provided with: a robot 2; a robot conveying device 3 on which the robot is mounted, for moving the robot to a predetermined work space; at least two target marks 4 installed in the work space; a target mark position acquiring unit 5 for obtaining a three-dimensional position by using a vision sensor provided on the robot 2 to perform stereoscopic measurement of the at least two target marks 4; a displacement amount acquiring unit 6 for obtaining the displacement amount between the robot 2 and a desired relative position in the work space, from the acquired three-dimensional position; and a robot control unit 7 for activating the robot 2 using a value adjusted from a prescribed activation amount, using the acquired displacement amount.Type: ApplicationFiled: October 5, 2021Publication date: November 16, 2023Applicant: FANUC CORPORATIONInventors: Yuutarou TAKAHASHI, Fumikazu WARASHINA, Junichirou YOSHIDA
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Publication number: 20230364789Abstract: Provided is a robot control device capable of reducing a robot vibration amount using machine learning based on a small number of operations.Type: ApplicationFiled: December 14, 2021Publication date: November 16, 2023Applicant: FANUC CORPORATIONInventors: Satoshi INAGAKI, Hajime SUZUKI
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Publication number: 20230364728Abstract: A control device generates, for each command cycle on the basis of machining line information expressing a plane machining line with a function displayed by a prescribed parameter and tangential line information showing a tangential line direction at respective positions of the machining line, a position command on a rotational axis and two linear axes with a position on the machining line obtained when the parameter is changed by a prescribed amount set as a machining position. The position command generated by the control device includes a command on a position of the rotational axis at which the tangential line at the machining position forms a prescribed angle set in advance with respect to any one of the linear axes and a command on the position of the two linear axes at which a tool is set at the machining position when the rotational axis is located at the position of the rotational axis.Type: ApplicationFiled: October 1, 2021Publication date: November 16, 2023Applicant: Fanuc CorporationInventor: Takayuki Koyama
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Patent number: 11815416Abstract: A displacement detection device and a torque sensor include a movable part that is connected to a first member and to a second member and that changes a gap along with displacement of the second member with respect to the first member in a prescribed direction; and a detection part (detection circuit) that, on the basis of the change in the gap detects displacement of the second member with respect to the first member in the prescribed direction, wherein the movable part is configured to make the amount of N change in the gap greater than the amount of displacement of the second member with respect to the first member in the prescribed direction.Type: GrantFiled: June 7, 2021Date of Patent: November 14, 2023Assignee: FANUC CORPORATIONInventor: Kazuki Wakabayashi
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Patent number: 11813749Abstract: A method for teaching a robot to perform an operation based on human demonstration with images from a camera. The method includes a teaching phase where a 2D or 3D camera detects a human hand grasping and moving a workpiece, and images of the hand and workpiece are analyzed to determine a robot gripper pose and positions which equate to the pose and positions of the hand and corresponding pose and positions of the workpiece. Robot programming commands are then generated from the computed gripper pose and position relative to the workpiece pose and position. In a replay phase, the camera identifies workpiece pose and position, and the programming commands cause the robot to move the gripper to pick, move and place the workpiece as demonstrated. A teleoperation mode is also disclosed, where camera images of a human hand are used to control movement of the robot in real time.Type: GrantFiled: April 8, 2020Date of Patent: November 14, 2023Assignee: FANUC CORPORATIONInventors: Kaimeng Wang, Tetsuaki Kato
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Patent number: 11813753Abstract: A robot collision avoidance motion planning technique using a worst state search and optimization. The motion planning technique begins with a geometric definition of obstacles, start and goal points, and an initial set of waypoints which may be sparsely spaced. Given an inter-point interpolation method such as linear or spline, a continuous trajectory can be described as a function of the waypoints and an arc length parameter. A worst state search is then performed which finds a location between each adjacent pair of waypoints having a worst state of distance to obstacle, considering all parts of the robot and tool. A collision avoidance constraint is defined using the worst state locations, and an optimization of the waypoint locations is then performed to improve the worst states until all collisions are eliminated and an obstacle avoidance minimum distance criteria is met.Type: GrantFiled: February 19, 2021Date of Patent: November 14, 2023Assignee: FANUC CORPORATIONInventors: Changhao Wang, Hsien-Chung Lin, Tetsuaki Kato