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公开(公告)号：US20220057194A1
公开(公告)日：2022-02-24
申请号：US17312543
申请日：2019-03-28
Inventor： Xiancheng Zhang , Shuang Liu , Shulei Yao , Xumin Zhu , Kaiming Zhang , Yixin Liu , Yunfei Jia , Shantung Tu
Abstract: The present application provides an on-machine point cloud detection and compensation method for processing complex surfaces, which comprises: step S1, installing a detecting and scanning actuator on an ultrasonic rolling machine tool; step S2, installing a processed workpiece on the chuck which is scanned by the detecting and scanning actuator to obtain the point cloud data of the workpiece in a coordinate system of detecting and scanning actuator, which is converted into the point cloud data of the workpiece in a coordinate system of machine tool; step S3, processing the point cloud data of the workpiece in the coordinate system of machine tool; step S4, obtaining and compensating the shape error feature of the workpiece according to theoretical design data of the processed workpiece and processed point cloud data of the workpiece in the coordinate system of machine tool. The accuracy and efficiency of complex surface strengthening is improved in the present application.
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公开(公告)号：US12146063B2
公开(公告)日：2024-11-19
申请号：US18286457
申请日：2023-03-31
Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY , SHANGHAI JIAO TONG UNIVERSITY , CHINA UNITED GAS TURBINE TECHNOLOGY CO., LTD.
Inventor： Xiancheng Zhang , Xiaofeng Zhao , Yali Yu , Shantung Tu , Dingwu Zhang , Xiaobo Wang , Junmiao Shi , Weize Wang
Abstract: Provided are a thermal barrier coating and a preparation method thereof, which belong to the field of coating technology. The thermal barrier coating has a double-layer coating structure, and includes an intermediate layer attached to a surface of a metal bonding layer, and a top layer, wherein the intermediate layer is formed by atmospheric plasma spraying YSZ porous microspheres, and the top layer is formed by atmospheric plasma spraying Yb—Gd codoped YSZ porous microspheres; the intermediate layer is in contact with the surface of the metal bonding layer, and the top layer is directly exposed to a high-temperature gas environment.
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公开(公告)号：US12097590B1
公开(公告)日：2024-09-24
申请号：US18285325
申请日：2023-04-10
Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY , AECC COMMERCIAL AIRCRAFT ENGINE CO. LTD , AECC HUNAN AVIATION POWERPLANT RESEARCH INSTITUTE
Inventor： Xiancheng Zhang , Shulei Yao , Shantung Tu , Yuxin Chi , Yalong Chen , Lizhang Zhang , Fei Zeng , Congyang Gong , Ning Wang , Junmiao Shi , Yunfei Jia , Shuang Liu
CPC classification number: B24B31/06 , B24B1/04 , B24B19/14 , B24B31/003 , B24B31/064 , B24B31/12 , B24C3/22 , B24C3/28 , B24C5/005
Abstract: A water jet strengthening and polishing integrated system for blades of a blisk includes a vibration polishing unit and a water jet strengthening unit. The vibration polishing unit includes a vibration polishing bath, the vibration polishing bath is internally provided with a clamp for clamping the blisk, and vibration motors for driving the vibration polishing bath to vibrate are installed on the vibration polishing bath. Top ends of support springs are fixedly connected with the vibration polishing bath, and bottom ends of the support springs are fixedly connected with a workbench. The water jet strengthening unit includes a water jet strengthening device for carrying out water jet strengthening on the blades of the blisk and a driving mechanism for clamping the water jet strengthening device and capable of driving the water jet strengthening device to move in any direction in space.
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公开(公告)号：US20230103274A9
公开(公告)日：2023-03-30
申请号：US17421929
申请日：2019-10-31
Inventor： Runzi Wang , Xiancheng Zhang , Sujuan Guo , Guangjian Yuan , Xumin Zhu , Shantung Tu
Abstract: The present invention discloses a multiaxial creep-fatigue prediction method based on ABAQUS, which comprises: S1: establishing an ABAQUS finite element model, and defining the viscoplastic constitutive equation of the material to be tested by means of the user subroutine UMAT; S2: determining the model parameters required by the viscoplastic constitutive equation; S3: establishing the fatigue damage calculation model and creep damage calculation model of the multiaxial stress-strain state of the material to be tested; S4: establishing an ABAQUS finite element model under the multiaxial stress-strain state, and calculating the stress-strain tensor of each cycle based on the defined viscoplastic constitutive equation and the model parameters; S5: calculating the equivalent stress and equivalent plastic strain by means of the user subroutine USDFLD, and superimposing the fatigue damage and creep damage of each cycle according to the linear cumulative damage criterion to obtain the crack initiation life of the material to be tested based on the fatigue damage calculation model and creep damage calculation model in combination with the stress-strain tensor.
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5.发明授权公开(公告)号：US12151325B2
公开(公告)日：2024-11-26
申请号：US18681015
申请日：2023-04-10
Inventor： Xiancheng Zhang , Jiawei Wang , Lin Zhu , Shantung Tu , Kaiming Zhang , Zhaoxing Sun , Shuang Liu , Huayi Cheng , Junmiao Shi
Abstract: A double-sided ultrasonic rolling cooperative strengthening system and a control method thereof are provided. The system includes a first mechanical arm subsystem, a second mechanical arm subsystem, a first ultrasonic rolling strengthening subsystem, a second ultrasonic rolling strengthening subsystem and a servo turntable (13); the servo turntable (13) is configured to fix a blade to be processed; the first ultrasonic rolling strengthening subsystem is provided at an end of the first mechanical arm subsystem; and the second ultrasonic rolling strengthening subsystem is provided at an end of the second mechanical arm subsystem. The way that the mechanical arm is equipped with an ultrasonic rolling strengthening device improves a degree of freedom of processing the blade, and the first mechanical arm subsystem, the second mechanical arm subsystem, the first ultrasonic rolling strengthening subsystem, the second ultrasonic rolling strengthening subsystem and the servo turntable (13) are provided to cooperate to realize double-sided processing.
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Patent Agency Ranking
公开(公告)号：US12061078B2
公开(公告)日：2024-08-13
申请号：US17312543
申请日：2019-03-28
Inventor： Xiancheng Zhang , Shuang Liu , Shulei Yao , Xumin Zhu , Kaiming Zhang , Yixin Liu , Yunfei Jia , Shantung Tu
CPC classification number: G01B11/24 , B23Q17/098 , B23Q17/2457 , G01B11/002
Abstract: The present application provides an on-machine point cloud detection and compensation method for processing complex surfaces, which comprises: step S1, installing a detecting and scanning actuator on an ultrasonic rolling machine tool; step S2, installing a processed workpiece on the chuck which is scanned by the detecting and scanning actuator to obtain the point cloud data of the workpiece in a coordinate system of detecting and scanning actuator, which is converted into the point cloud data of the workpiece in a coordinate system of machine tool; step S3, processing the point cloud data of the workpiece in the coordinate system of machine tool; step S4, obtaining and compensating the shape error feature of the workpiece according to theoretical design data of the processed workpiece and processed point cloud data of the workpiece in the coordinate system of machine tool. The accuracy and efficiency of complex surface strengthening is improved in the present application.
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公开(公告)号：US20240191082A1
公开(公告)日：2024-06-13
申请号：US18286457
申请日：2022-04-02
Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY , SHANGHAI JIAO TONG UNIVERSITY , CHINA UNITED GAS TURBINE TECHNOLOGY CO., LTD.
Inventor： Xiancheng Zhang , Xiaofeng Zhao , Yali Yu , Shantung Tu , Dingwu Zhang , Xiaobo Wang , Junmiao Shi , Weize Wang
Abstract: Provided are a thermal barrier coating and a preparation method thereof, which belong to the field of coating technology. The thermal barrier coating has a double-layer coating structure, and includes an intermediate layer attached to a surface of a metal bonding layer, and a top layer, wherein the intermediate layer is formed by atmospheric plasma spraying YSZ porous microspheres, and the top layer is formed by atmospheric plasma spraying Yb—Gd codoped YSZ porous microspheres; the intermediate layer is in contact with the surface of the metal bonding layer, and the top layer is directly exposed to a high-temperature gas environment
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公开(公告)号：US11904423B2
公开(公告)日：2024-02-20
申请号：US17764136
申请日：2020-05-20
Inventor： Xiancheng Zhang , Kaiming Zhang , Shulei Yao , Shuang Liu , Feng Cheng , Shantung Tu
IPC: B23P9/02
CPC classification number: B23P9/02
Abstract: Provided is a bilateral ultrasonic rolling processing track coordination method for a blade surface, the method comprising: step S1, performing layering processing on a blade to acquire a contour curve of “A”-shaped and “n”-shaped blade edges of a blade model at different heights; step S2: determining the endpoints of a blade processing track; and step S3: planning the thickness and the rotation angle of the blade, comprising: step S31, solving a main direction angle αmain of the contour curve; step S32, solving the thickness d of the blade; step S33, solving a rotation angle required by blade processing when the blade edge is “A”-shaped; and step S34, solving the rotation angle required by blade processing when the blade edge is “n”-shaped. According to the method, blade deformation generated by an ultrasonic rolling force is reduced, the processing efficiency is improved, and the blade processing precision is also improved.
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公开(公告)号：US12241813B2
公开(公告)日：2025-03-04
申请号：US18021173
申请日：2022-08-04
Inventor： Xiancheng Zhang , Liqiang Liu , Jianping Tan , Runzi Wang , Shantung Tu , Junmiao Shi
Abstract: An ultrahigh-temperature wind tunnel erosion testing system is provided, including a fuel system (1), an erosion system (2), an erosion spray gun (3), a test piece fixture (5) and a testing device; the erosion spray gun (3) is connected with the fuel system (1) and the erosion system (2) respectively; the erosion spray gun (3) is arranged on a lifting and rotating mechanism (4); the test piece fixture (5) is arranged on one side of the lifting and rotating mechanism (4) and is opposite to a nozzle of the erosion spray gun (3); and the testing device is connected with the test piece fixture (5). The plurality of groups of test pieces are circlewise arranged around the lifting and rotating mechanism (4).
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10.发明公开公开(公告)号：US20240326182A1
公开(公告)日：2024-10-03
申请号：US18681015
申请日：2023-04-10
Inventor： Xiancheng Zhang , Jiawei Wang , Lin Zhu , Shantung Tu , Kaiming Zhang , Zhaoxing Sun , Shuang Liu , Huayi Cheng , Junmiao Shi
CPC classification number: B23P9/02 , B21B11/00 , B21B13/001 , B21B13/14
Abstract: A double-sided ultrasonic rolling cooperative strengthening system and a control method thereof are provided. The system includes a first mechanical arm subsystem, a second mechanical arm subsystem, a first ultrasonic rolling strengthening subsystem, a second ultrasonic rolling strengthening subsystem and a servo turntable (13); the servo turntable (13) is configured to fix a blade to be processed; the first ultrasonic rolling strengthening subsystem is provided at an end of the first mechanical arm subsystem; and the second ultrasonic rolling strengthening subsystem is provided at an end of the second mechanical arm subsystem. The way that the mechanical arm is equipped with an ultrasonic rolling strengthening device improves a degree of freedom of processing the blade, and the first mechanical arm subsystem, the second mechanical arm subsystem, the first ultrasonic rolling strengthening subsystem, the second ultrasonic rolling strengthening subsystem and the servo turntable (13) are provided to cooperate to realize double-sided processing.
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