Patents by Inventor Zheng TONG

Zheng TONG 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).

  • Patent number: 11002126
    Abstract: An active control method and system for wellbore pressure in open-cycle drilling in marine natural gas hydrates. The system comprises a drilling system, a drilling fluid injection system, and a data processing system for conducting the drilling operation.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: May 11, 2021
    Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
    Inventors: Zhiyuan Wang, Jianbo Zhang, Baojiang Sun, Wenqiang Lou, Xiaohui Sun, Zheng Liu, Shikun Tong
  • Publication number: 20210010904
    Abstract: The present disclosure provides a method and an apparatus for evaluating a degree of injury of a rider's head colliding with a pavement and a test method for testing the apparatus. An impact acceleration of a head model falling from a certain height and hitting the pavement is obtained through a self-made test apparatus, a TBS value is calculated after processing the obtained impact acceleration, and a possibility of the degree of the injury to the rider's head colliding on a test pavement after falling is obtained by inquiring a look-up table of possibility of injury degree of the head of the rider corresponding to the TBS provided by the present disclosure, for evaluating safety hazard when falling on the pavement.
    Type: Application
    Filed: December 13, 2018
    Publication date: January 14, 2021
    Inventors: Aimin SHA, Jie GAO, Bo LUAN, Yuqiao TAN, Zheng TONG
  • Publication number: 20200338678
    Abstract: A machining system according to an aspect of the present disclosure includes: a jig which retains a plurality of workpieces; a measurement device which measures a plurality of workpieces retained on the jig; and a machining device which machines the plurality of workpieces retained on the jig, in which the jig has a reference part which is positioned or position detected by the machining device, and in which the measurement device has: a measurement unit which measures a positional relationship of the plurality of workpieces retained on the jig relative to the reference part, and an input unit which uses a recording medium or communication to input positional information of the plurality of workpieces measured by the measurement unit to the machining device, and in which the machining device has: a jig coordinate system specifying unit which specifies a coordinate system of the jig, by positioning or position measuring the reference part of the jig, and a workpiece coordinate system setting unit which individ
    Type: Application
    Filed: March 31, 2020
    Publication date: October 29, 2020
    Applicant: FANUC CORPORATION
    Inventors: Susumu MAEKAWA, Zheng TONG
  • Patent number: 10802462
    Abstract: A machining condition selecting device includes a machining condition contribution data management unit configured to manage machining condition contribution data in which each of a plurality of machining conditions is associated with a 3-dimensional surface roughness parameter and degrees of contribution to each item of a required condition related to productivity of a target product; a matter of priority acquisition unit configured to acquire a combination of the 3-dimensional surface roughness parameter and at least one item of the required condition as a matter of priority; and a machining condition selection data management unit configured to manage, for each of the plurality of machining conditions, machining condition selection data in which a combination pattern of the matters of priority is associated with a sum of the degrees of contribution to each item in the combination pattern.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: October 13, 2020
    Assignee: FANUC CORPORATION
    Inventors: Takaaki Fujii, Zheng Tong
  • Patent number: 10695882
    Abstract: The cutting fluid supply device of a machine tool includes a storage tank of a cutting fluid, a cutting fluid discharge port which discharges the cutting fluid, at least one pump which feeds the cutting fluid to the cutting fluid discharge port, a first filter, a second filter which has filter performance different from the first filter, a path switching unit which switches the paths of the cutting fluid and a control unit, and the control unit controls the pump and the path switching unit so as to switch, as the paths, to a first path along which the cutting fluid is fed without being passed through the filters, a second path along which the cutting fluid is passed through the first filter and is fed and a third path along which the cutting fluid is passed through the second filter and is fed.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: June 30, 2020
    Assignee: FANUC CORPORATION
    Inventors: Takaaki Fujii, Zheng Tong
  • Patent number: 10620164
    Abstract: A diagnostic device includes: a spindle rotational frequency acquisition unit configured to acquire a spindle rotational frequency of a spindle; a pitch acquisition unit configured to acquire a pitch of streaks generated on a surface of a workpiece; a feed rate acquisition unit configured to acquire a feed rate of a tool when mirror surface machining is performed on the surface of the workpiece; a streak frequency calculator configured to calculate a streak frequency that is a cause of the streaks, from the pitch of the streaks and the feed rate of the tool; a causal frequency calculator configured to calculate a causal frequency which causes vibrations of the streak frequency; and a notifying unit configured to indicate whether or not there is a peripheral device that generates vibrations at the causal frequency, around a machine tool.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: April 14, 2020
    Assignee: FANUC CORPORATION
    Inventors: Takaaki Fujii, Zheng Tong, Daisuke Uenishi
  • Patent number: 10509397
    Abstract: To perform reinforcement learning that enables selecting action information for shortening a cycle time while also avoiding the occurrence of overheating.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: December 17, 2019
    Assignee: FANUC CORPORATION
    Inventors: Zheng Tong, Takuma Nishimura, Yuuzou Inaguchi
  • Patent number: 10507558
    Abstract: 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: Grant
    Filed: February 28, 2018
    Date of Patent: December 17, 2019
    Assignee: FANUC CORPORATION
    Inventors: Yoshiharu Inaba, Hiroyuki Uchida, Zheng Tong, Yasuhiko Kurosumi, Masanori Itou
  • Patent number: 10399194
    Abstract: A rotary table assembly is provided with a rotary table with a workpiece mounting table on one end of a rotating shaft and a cover covering the rotary table. A seal member is disposed between the cover and the workpiece mounting table, thereby preventing foreign matter, such as chips, from adhering to the rotary table.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: September 3, 2019
    Assignee: FANUC CORPORATION
    Inventors: Hiroki Tezuka, Tomoya Itou, Zheng Tong
  • Patent number: 10359742
    Abstract: A learning model is constructed for adjusting control information so that a cycle time becomes shorter while also avoiding the occurrence of overheating. A learning model construction device includes: an input data acquisition means that acquires, as input data, control information including a combination of an operation pattern of a spindle and parameters related to machining in a machine tool, and temperature information of the spindle prior to performing the machining based on the control information; a label acquisition means for acquiring temperature information of the spindle after having performed the machining based on the control information as a label; and a learning model construction means for constructing a learning model for temperature information of the spindle after having performed machining based on the control information, by performing supervised learning with a group of the input data and the label as training data.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: July 23, 2019
    Assignee: FANUC CORPORATION
    Inventors: Zheng Tong, Takuma Nishimura, Yuuzou Inaguchi
  • Publication number: 20190128849
    Abstract: A diagnostic device includes: a spindle rotational frequency acquisition unit configured to acquire a spindle rotational frequency of a spindle; a pitch acquisition unit configured to acquire a pitch of streaks generated on a surface of a workpiece; a feed rate acquisition unit configured to acquire a feed rate of a tool when mirror surface machining is performed on the surface of the workpiece; a streak frequency calculator configured to calculate a streak frequency that is a cause of the streaks, from the pitch of the streaks and the feed rate of the tool; a causal frequency calculator configured to calculate a causal frequency which causes vibrations of the streak frequency; and a notifying unit configured to indicate whether or not there is a peripheral device that generates vibrations at the causal frequency, around a machine tool.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 2, 2019
    Inventors: Takaaki FUJII, Zheng Tong, Daisuke Uenishi
  • Publication number: 20190121314
    Abstract: A machining condition selecting device includes a machining condition contribution data management unit configured to manage machining condition contribution data in which each of a plurality of machining conditions is associated with a 3-dimensional surface roughness parameter and degrees of contribution to each item of a required condition related to productivity of a target product; a matter of priority acquisition unit configured to acquire a combination of the 3-dimensional surface roughness parameter and at least one item of the required condition as a matter of priority; and a machining condition selection data management unit configured to manage, for each of the plurality of machining conditions, machining condition selection data in which a combination pattern of the matters of priority is associated with a sum of the degrees of contribution to each item in the combination pattern.
    Type: Application
    Filed: September 17, 2018
    Publication date: April 25, 2019
    Applicant: FANUC CORPORATION
    Inventors: Takaaki FUJII, Zheng TONG
  • Publication number: 20190118324
    Abstract: The cutting fluid supply device of a machine tool includes a storage tank of a cutting fluid, a cutting fluid discharge port which discharges the cutting fluid, at least one pump which feeds the cutting fluid to the cutting fluid discharge port, a first filter, a second filter which has filter performance different from the first filter, a path switching unit which switches the paths of the cutting fluid and a control unit, and the control unit controls the pump and the path switching unit so as to switch, as the paths, to a first path along which the cutting fluid is fed without being passed through the filters, a second path along which the cutting fluid is passed through the first filter and is fed and a third path along which the cutting fluid is passed through the second filter and is fed.
    Type: Application
    Filed: August 29, 2018
    Publication date: April 25, 2019
    Applicant: FANUC CORPORATION
    Inventors: Takaaki FUJII, Zheng TONG
  • Publication number: 20190064782
    Abstract: A linking system is a system for linking operations of a machine tool and a robot. The linking system includes a transmission side device and a reception side device, one of which is the machine tool or a controller thereof and the other one of which is the robot or a controller thereof. The transmission side device includes position information generation unit configured to generate position-related information of the transmission side device and transmission unit configured to transmit the position-related information to the reception side device. The reception side device includes reception unit configured to receive the position-related information from the transmission side device and coordinate transformation unit configured to transform the position-related information to a coordinate system of the reception side device.
    Type: Application
    Filed: August 15, 2018
    Publication date: February 28, 2019
    Inventor: Zheng TONG
  • Patent number: 10179385
    Abstract: A clamping mechanism of rotation table device includes a shaft fixing a workpiece to an end portion thereof, a brake disk fixed to the shaft, and a clamping mechanism clamping or unclamping the brake disk by driving a piston. The clamping mechanism includes a plate spring fixed to a rear plate fixed to a casing and a piston and urging the piston in a clamping direction at all times by an elastic deformation restoring force and the plate spring is fixed to the rear plate or the piston through an annular plate.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: January 15, 2019
    Assignee: FANUC CORPORATION
    Inventors: Zhizhen Xia, Zheng Tong, Hiroki Tezuka
  • Publication number: 20180307198
    Abstract: A machined surface quality evaluation device includes a machine learning device that learns a result of evaluation on machined surface quality of a workpiece by an observer which correspond to an inspection result on the machined surface quality of the workpiece. The machine learning device observes the inspection result on the machined surface quality of the workpiece as a state variable, acquires label data indicating the result of the evaluation on the machined surface quality of the workpiece by the observer, and learns the state variable and the label data in a manner such that they are correlated each other.
    Type: Application
    Filed: April 19, 2018
    Publication date: October 25, 2018
    Inventors: Nobuaki AIZAWA, Tomokazu KAYANUMA, Zheng TONG
  • Publication number: 20180250783
    Abstract: 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: Application
    Filed: February 28, 2018
    Publication date: September 6, 2018
    Applicant: FANUC CORPORATION
    Inventors: Yoshiharu Inaba, Hiroyuki Uchida, Zheng Tong, Yasuhiko Kurosumi, Masanori Itou
  • Publication number: 20180224808
    Abstract: A learning model is constructed for adjusting control information so that a cycle time becomes shorter while also avoiding the occurrence of overheating. A learning model construction device includes: an input data acquisition means that acquires, as input data, control information including a combination of an operation pattern of a spindle and parameters related to machining in a machine tool, and temperature information of the spindle prior to performing the machining based on the control information; a label acquisition means for acquiring temperature information of the spindle after having performed the machining based on the control information as a label; and a learning model construction means for constructing a learning model for temperature information of the spindle after having performed machining based on the control information, by performing supervised learning with a group of the input data and the label as training data.
    Type: Application
    Filed: January 29, 2018
    Publication date: August 9, 2018
    Inventors: Zheng TONG, Takuma NISHIMURA, Yuuzou INAGUCHI
  • Publication number: 20180210431
    Abstract: To perform reinforcement learning that enables selecting action information for shortening a cycle time while also avoiding the occurrence of overheating.
    Type: Application
    Filed: December 29, 2017
    Publication date: July 26, 2018
    Applicant: FANUC CORPORATION
    Inventors: Zheng TONG, Takuma NISHIMURA, Yuuzou INAGUCHI
  • Patent number: 9752725
    Abstract: Provided is a machining tool having a telescopic cover, with a plurality of covers sequentially overlapped and telescopic in the moving direction of the movable portion of the machine tool. The machining includes a lubricant supply unit to supply a lubricant to a slide portion of the telescopic cover.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: September 5, 2017
    Assignee: FANUC CORPORATION
    Inventor: Zheng Tong