CN113245585A - Automatic drilling testing arrangement of blind hole method residual stress - Google Patents

Automatic drilling testing arrangement of blind hole method residual stress Download PDF

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Publication number
CN113245585A
CN113245585A CN202110510850.6A CN202110510850A CN113245585A CN 113245585 A CN113245585 A CN 113245585A CN 202110510850 A CN202110510850 A CN 202110510850A CN 113245585 A CN113245585 A CN 113245585A
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drilling
clamping
axis
automatic
strain gauge
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张以都
高子涵
吴琼
高瀚君
李�杰
祝世强
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Beihang University
Capital Aerospace Machinery Co Ltd
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Beihang University
Capital Aerospace Machinery Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/28—Electric drives

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

本发明设计了一种盲孔法残余应力自动钻孔测试装置，该装置包括钻孔系统、装夹系统、定位系统和自动测试系统。钻孔系统可针对测试样件任意平面进行钻孔；装夹系统通过顶紧和压紧的形式进行装夹，可最大程度上减少装夹应力，减小测量误差；定位系统可自动识别应变片的位置，计算钻孔位置坐标；自动测试系统根据图像识别的应变片位置进行自动对刀和自动钻孔，钻孔结束后软件根据每次进给后的应变值和图像识别测量的实际钻孔孔径，计算样件不同深度和表层的残余应力。

Figure 202110510850

The invention designs a blind hole method residual stress automatic drilling test device, which includes a drilling system, a clamping system, a positioning system and an automatic testing system. The drilling system can drill holes on any plane of the test sample; the clamping system can be clamped in the form of jacking and pressing, which can minimize the clamping stress and reduce the measurement error; the positioning system can automatically identify the strain gauge The position of the drill hole is calculated, and the coordinates of the drilling position are calculated; the automatic test system performs automatic tool setting and automatic drilling according to the position of the strain gauge recognized by the image. After drilling, the software recognizes the actual drill hole measured according to the strain value after each feeding and the image. The pore size is used to calculate the residual stress of the sample at different depths and surface layers.

Figure 202110510850

Description

Automatic drilling testing arrangement of blind hole method residual stress
Technical Field
The invention relates to an automatic drilling testing device for residual stress by a blind hole method, which comprises a drilling system, a clamping system, a positioning system and an automatic testing system, and can realize the functions of automatic tool setting, automatic drilling and automatic correction of measurement errors.
Background
Residual stress is the stress that exists when the object maintains an internal equilibrium when no external force is applied, and varying degrees of residual stress occur in mechanical manufacturing processes such as casting, cutting, welding, heat treatment and assembly. The residual stress can affect the processing deformation, the fatigue life, the structural strength and the like of the material, and the requirement on the residual stress of the material is higher and higher along with the development of material science. The existing testing methods of residual stress are divided into two categories of nondestructive testing and destructive testing, and the blind hole method is the most common method in the destructive testing methods. At present, the detection principle of the blind hole method is mature, residual stress of different depths in a certain depth range can be obtained through one-time drilling, but the development of detection equipment of the blind hole method is relatively slow. The traditional blind hole method can only measure the average stress in a certain range, and the drilling positioning device needs to be fixed by a magnetic seat, so that the device is inconvenient to fix and measure non-ferrous and non-planar parts and has low stability; the residual stress in different depth ranges can be obtained by testing the residual stress by the laser speckle diffraction blind hole method, but the equipment cost is higher, the drilling direction is only the horizontal direction, and the drilling height is inconvenient to adjust. In order to overcome the defects of the prior art, the invention provides the blind hole method residual stress automatic drilling testing device which can realize the functions of automatic tool setting, automatic drilling and automatic correction of measurement errors and can carry out residual stress measurement on curved surface parts and irregular planes prepared by spinning and other processes.
Disclosure of Invention
The invention designs an automatic drilling testing device for residual stress by a blind hole method. The drilling system comprises an X-axis slide rail, a Y-axis slide rail, a Z-axis slide rail, an A-axis motor, a drilling main shaft and a cutter, wherein the A-axis motor can control the X-axis slide rail to rotate around the X axis by +/-180 degrees, and the drilling system can perform drilling operation on any plane of a test sample piece; the clamping system consists of a T-shaped groove table surface, a jacking clamp, a pressing clamp and a sample piece, and clamping is carried out in a jacking and pressing mode, so that stress introduced by clamping can be reduced to the greatest extent, and measurement errors are reduced; the positioning system comprises a binocular camera, a light supplement lamp and image recognition software, can automatically recognize the position of the strain gauge, calculates the coordinates of the drilling position, and measures the aperture after the drilling is finished; the automatic test system comprises a strain gauge, a strain gauge and control software, automatic tool setting and automatic drilling are carried out according to the position of the strain gauge identified by an image, the drilling depth is 2mm, single feeding is 0.05mm, and after the drilling is finished, the residual stress of different depths and a surface layer of a sample piece is calculated by the software according to a strain value after each feeding and the actual drilling aperture measured by the image identification. The device can automatically measure the residual stress on any plane angle.
The drilling system structure comprises an X-axis slide rail (7), a Y-axis slide rail (3), a Z-axis slide rail (5), an A-axis driving motor (10), an A-axis speed reducer (9), a drilling spindle (8) and a drilling tool, wherein the position relations of the components are shown in figure 1. The Y-axis slide rails (3) are arranged on the left side and the right side of the base (1), and are driven by a screw motor in the middle; two Z-axis slide rails (5) are arranged on the slide block of the Y-axis slide rail by adopting a connecting piece (4); the left side of an A-axis reducer (9) is installed on a slide block of a left Z-axis slide rail, a right rotating shaft is installed on an X-axis slide rail (7), and an A-axis driving motor (10) is installed at the input of the A-axis reducer; the right side of the X-axis sliding rail (7) is arranged in a bearing on a sliding block of the right Z-axis sliding rail; a drilling main shaft (8) is arranged on a sliding block of the X-axis sliding rail; a lead screw motor is integrated on the sliding block of the X-axis sliding rail to control the sliding block to move left and right; and lead screw motors (6) of the Y-axis slide rail and the Z-axis slide rail are arranged on one side of the slide rails.
The clamping system comprises a T-shaped groove table top (2), a jacking clamp (14), a pressing clamp (12) and a sample (13), and the position relation of the components is shown in figures 1 and 3. The sample piece (13) is flatly placed on the table top (2) of the T-shaped groove, the left side face, the front side face and the rear side face of the sample piece (13) are respectively tightly propped by a propping clamp (14), and the right side face of the sample piece is tightly propped by a pressing clamp (12); the tightening clamp (14) comprises a tightening base (16), a tightening bolt (15) and a tightening pin (17), as shown in fig. 4. The jacking base is fixed on the table top (2) of the T-shaped groove by adopting a T-shaped bolt and a nut, and a jacking bolt (15) is rotated by an inner hexagonal wrench to apply jacking force, so that a jacking pin jacks a sample piece.
The positioning system comprises a binocular camera (11) and image recognition software. The cameras (11) are arranged on the left side and the right side of the spindle motor to form a binocular measuring system, and the image recognition software obtains three-dimensional space coordinates of the strain gauge by recognizing a strain gauge cross mark on the sample piece.
The automatic testing system comprises a strain gauge, a strain gauge and control software, wherein the control software automatically carries out tool setting operation according to the measured position of the strain gauge, and then carries out automatic drilling with 0.05mm feeding each time, and the hole depth is 2 mm; after drilling, the practical drilling diameter is obtained through the camera, and the residual stress of different depths and the surface layer of the sample piece is calculated by combining the strain value measured after feeding every time.
The testing process of the automatic residual stress drilling testing device by the blind hole method is shown in figure 5, firstly, a strain gauge is pasted at a position to be tested by glue and connected with a cable, a sample piece is clamped on the table top of a T-shaped groove after the glue is dried completely, meanwhile, a dynamic strain gauge is used for measuring stress introduced by clamping, and when the stress introduced by a clamping system is more than 2MPa, the subsequent measurement can be started after the residual stress introduced by clamping is less than 2MPa by adjusting the pretightening force of a jacking clamp and a pressing clamp; the drilling spindle is moved to the position of the strain gauge accessory by using the drilling control system, and a strain gauge image can be observed through the binocular camera; at the moment, the positioning system can automatically determine the drilling position and then start the drilling process of single 0.05mm feeding, after each feeding is finished, the automatic testing system records strain data, and then the next feeding is repeated; and after the drilling depth reaches 2mm, drilling is finished, the binocular camera identifies the diameter of the drilled hole and automatically calculates the residual stress of the measuring point along the depth direction by combining strain data.
Drawings
FIG. 1, FIG. 2, FIG. 3, FIG. 4 are schematic diagrams of a structure of an automatic drilling testing device for residual stress of a blind via method, FIG. 5 is a flow chart of a testing process of the automatic drilling testing device for residual stress of a blind via method
The symbols in fig. 1 are illustrated as follows:
(1) a base; (2) a T-shaped groove table surface; (3) a Y-axis slide rail; (4) a connecting member; (5) a Z-axis slide rail; (6) a lead screw motor; (7) an X-axis slide rail; (8) drilling a main shaft; (9) a shaft A reducer; (10) an A-axis drive motor; (11) a binocular camera; (12) compressing the clamp; (13) a sample piece; (14) tightly pushing the clamp; (15) jacking the bolt; (16) tightly propping the base; (17) and (6) tightening the pin.
The invention has the advantages of
(1) The angle of a main shaft of the drilling system of the device is adjustable around the X-axis direction, and planes with any angle can be drilled.
(2) The clamping system of the device clamps by adopting a method combining jacking and pressing, reduces the measurement error caused by clamping stress, and designs a novel jacking clamp.
(3) A positioning system of the device adopts an image recognition method to determine the center position of the strain gauge, so that the tool setting operation is simplified, and the tool setting accuracy is improved.
(4) The automatic testing system of the device can complete automatic drilling operation, and combines the image recognition technology to measure the actual bore diameter of the drilled hole, so as to correct the measurement errors caused by the position and the size of the drilled hole, and the measurement precision is higher.
(5) The testing process of the device has very high degree of automation, and compared with the existing drilling device, the device has the characteristics of simple operation, convenient use, wide application range, low cost and the like, reduces the measurement error from multiple aspects, and improves the accuracy of the measurement result.
Detailed Description
The invention designs an automatic drilling testing device for residual stress by a blind hole method. The drilling system comprises an X-axis slide rail, a Y-axis slide rail, a Z-axis slide rail, an A-axis motor, a drilling main shaft and a cutter, wherein the A-axis motor can control the X-axis slide rail to rotate around the X axis by +/-180 degrees, and the drilling system can perform drilling operation on any plane of a test sample piece; the clamping system consists of a T-shaped groove table surface, a jacking clamp, a pressing clamp and a sample piece, and clamping is carried out in a jacking and pressing mode, so that stress introduced by clamping can be reduced to the greatest extent, and measurement errors are reduced; the positioning system comprises a binocular camera and image recognition software, can automatically recognize the position of the strain gauge, calculate the coordinates of the drilling position and measure the aperture after the drilling is finished; the automatic test system comprises a strain gauge, a strain gauge and control software, automatic tool setting and automatic drilling are carried out according to the position of the strain gauge identified by an image, the drilling depth is 2mm, single feeding is 0.05mm, and after the drilling is finished, the residual stress of different depths and a surface layer of a sample piece is calculated by the software according to a strain value after each feeding and the actual drilling aperture measured by the image identification. The device can automatically measure the residual stress on any plane angle.
The drilling system structure comprises an X-axis slide rail (7), a Y-axis slide rail (3), a Z-axis slide rail (5), an A-axis driving motor (10), an A-axis speed reducer (9), a drilling spindle (8) and a drilling tool, wherein the position relations of the components are shown in figure 1. The Y-axis slide rails (3) are arranged on the left side and the right side of the base (1), and are driven by a screw motor in the middle; two Z-axis slide rails (5) are arranged on the slide block of the Y-axis slide rail by adopting a connecting piece (4); the left side of an A-axis reducer (9) is installed on a slide block of a left Z-axis slide rail, a right rotating shaft is installed on an X-axis slide rail (7), and an A-axis driving motor (10) is installed at the input of the A-axis reducer; the right side of the X-axis sliding rail (7) is arranged in a bearing on a sliding block of the right Z-axis sliding rail; a drilling main shaft (8) is arranged on a sliding block of the X-axis sliding rail; a lead screw motor is integrated on the sliding block of the X-axis sliding rail to control the sliding block to move left and right; and lead screw motors (6) of the Y-axis slide rail and the Z-axis slide rail are arranged on one side of the slide rails.
The clamping system comprises a T-shaped groove table top (2), a jacking clamp (14), a pressing clamp (12) and a sample (13), and the position relation of the components is shown in figures 1 and 3. The sample piece (13) is flatly placed on the table top (2) of the T-shaped groove, the left side face, the front side face and the rear side face of the sample piece (13) are respectively tightly propped by a propping clamp (14), and the right side face of the sample piece is tightly propped by a pressing clamp (12); the tightening clamp (14) comprises a tightening base (16), a tightening bolt (15) and a tightening pin (17), as shown in fig. 4. The jacking base is fixed on the table top (2) of the T-shaped groove by adopting a T-shaped bolt and a nut, and a jacking bolt (15) is rotated by an inner hexagonal wrench to apply jacking force, so that a jacking pin jacks a sample piece.
The positioning system comprises a binocular camera (11) and image recognition software. The cameras (11) are arranged on the left side and the right side of the spindle motor to form a binocular measuring system, and the image recognition software obtains three-dimensional space coordinates of the strain gauge by recognizing a strain gauge cross mark on the sample piece.
The automatic testing system comprises a strain gauge, a strain gauge and control software, wherein the control software automatically carries out tool setting operation according to the measured position of the strain gauge, and then carries out automatic drilling with 0.05mm feeding each time, and the hole depth is 2 mm; after drilling, the practical drilling diameter is obtained through the camera, and the residual stress of different depths and the surface layer of the sample piece is calculated by combining the strain value measured after feeding every time.
The control method of the blind hole method residual stress automatic drilling testing device is shown in fig. 5, and a drilling control system can control an X-axis slide rail motor, a Y-axis slide rail motor, a Z-axis slide rail motor and an A-axis motor, so that the movement of a drilling main shaft in the directions of an X axis, a Y axis and a Z axis and the rotation around the X axis are realized, and the rotating speed of the drilling main shaft can be controlled; the positioning system acquires three-dimensional position coordinates of the strain gauge through the binocular camera, determines the position of a drilled hole, calculates a drilling strategy through the automatic test system and controls the drilling control system to perform drilling operation; meanwhile, the automatic test system can correct the residual stress measurement value according to the actual size of the bore hole diameter measured by the binocular camera.
The testing process of the blind hole method residual stress automatic drilling testing device is as follows: firstly, adhering a strain gauge to a position to be tested by using glue and connecting a cable, clamping a sample piece on the table top of a T-shaped groove after the glue is dried completely, simultaneously measuring stress introduced by clamping by using a dynamic strain gauge, and when the stress introduced by a clamping system is more than 2MPa, adjusting the pretightening force of a jacking clamp and a pressing clamp to enable the residual stress introduced by clamping to be less than 2MPa and then starting subsequent measurement; the drilling spindle is moved to a position near the strain gauge by using a drilling control system, and the strain gauge image can be observed through a binocular camera; at the moment, the positioning system can automatically determine the drilling position and then start the drilling process of single 0.05mm feeding, after the drilling depth reaches 2mm, the drilling is finished, the binocular camera identifies the drilling diameter and combines strain data to automatically calculate the residual stress of the measuring point along the depth direction, and the process is automatically finished without manual intervention.

Claims (5)

1.一种盲孔法残余应力自动钻孔测试装置，该装置包括钻孔系统、装夹系统、定位系统和自动测试系统；所述的钻孔系统包括X轴滑轨、Y轴滑轨、Z轴滑轨、A轴电机、钻孔主轴和刀具，A轴涡轮电机可控制Y轴滑轨绕着Y轴做±180°转动，该钻孔系统可针对测试样件任意平面进行钻孔操作；所述的装夹系统由T型槽台面、顶紧夹具、压紧卡具和样件组成，通过顶紧和压紧的形式进行装夹，可最大程度上减少装夹引入的应力，减小测量误差；所述的定位系统包括双目摄像头、补光灯和图像识别系统，可自动识别应变片的位置，计算钻孔位置坐标；所述的自动测试系统包括应变仪、应变片和控制软件，根据图像识别的应变片位置进行自动对刀和自动钻孔，钻孔深度为2mm，单次进给为0.05mm，钻孔结束后软件根据每次进给后的应变值和图像识别测量的实际钻孔孔径，计算样件不同深度和表层的残余应力。1. A blind hole method residual stress automatic drilling test device, the device includes a drilling system, a clamping system, a positioning system and an automatic testing system; the drilling system includes an X-axis slide rail, a Y-axis slide rail, Z-axis slide rail, A-axis motor, drilling spindle and tool, A-axis turbine motor can control the Y-axis slide rail to rotate ±180° around the Y-axis, the drilling system can perform drilling operations on any plane of the test sample ; The clamping system is composed of a T-slot table, a clamping fixture, a clamping fixture and a sample. Clamping is performed in the form of clamping and pressing, which can minimize the stress introduced by the clamping and reduce the Small measurement error; the positioning system includes a binocular camera, a fill light and an image recognition system, which can automatically identify the position of the strain gauge and calculate the coordinates of the drilling position; the automatic test system includes a strain gauge, a strain gauge and a control The software performs automatic tool setting and automatic drilling according to the position of the strain gauge recognized by the image. The drilling depth is 2mm, and the single feed is 0.05mm. After drilling, the software recognizes and measures according to the strain value and image after each feed. The actual borehole diameter is calculated, and the residual stress of the sample at different depths and surface layers is calculated. 2.根据权利要求1所述的装夹系统由T型槽台面、顶紧夹具、压紧卡具和样件组成，样件平放在T型槽台面上，分别在样件的左、前、后侧面用顶紧夹具进行顶紧，在右侧用压紧夹具压紧；所述的顶紧夹具包括顶紧底座、顶紧螺栓和顶紧销。2. The clamping system according to claim 1 is composed of a T-slot table, a pressing fixture, a pressing fixture and a sample, the sample is placed flat on the T-slot table, respectively on the left and front of the sample. , The rear side is pressed with a pressing fixture, and the right side is pressed with a pressing fixture; the topping fixture includes a topping base, a topping bolt and a topping pin. 3.根据权利要求1所述的一种盲孔法残余应力自动钻孔测试装置的控制方法为钻孔控制系统可控制X轴滑轨电机、Y轴滑轨电机、Z轴滑轨电机、A轴电机，实现钻孔主轴在X轴、Y轴、Z轴方向的移动和绕X轴的转动，还可以控制钻孔主轴的转速。3. The control method of a blind hole method residual stress automatic drilling test device according to claim 1 is that the drilling control system can control the X-axis slide motor, the Y-axis slide motor, the Z-axis slide motor, A The axis motor realizes the movement of the drilling spindle in the X-axis, Y-axis and Z-axis directions and the rotation around the X-axis, and can also control the rotation speed of the drilling spindle. 4.根据权利要求1所述的定位系统通过双目摄像头获取应变片的三维位置坐标，确定钻孔的位置，然后通过自动测试系统计算钻孔策略，控制钻孔控制系统进行钻孔操作；同时自动测试系统可根据双目摄像头测量的钻孔孔径实际大小来对残余应力测量值进行修正。4. The positioning system according to claim 1 obtains the three-dimensional position coordinates of the strain gauge through the binocular camera, determines the position of the drilling hole, then calculates the drilling strategy through the automatic test system, and controls the drilling control system to carry out the drilling operation; The automatic test system can correct the residual stress measurement according to the actual size of the borehole diameter measured by the binocular camera. 5.根据权利要求1所述的一种盲孔法残余应力自动钻孔测试装置的测试过程为首先将应变片用胶水粘贴在需要测试的位置并连接好线缆，待胶水干透后将样件装夹在T型槽台面上，同时利用动态应变仪测量装夹引入的应力，当装夹系统引入的应力大于2MPa时，通过调整顶紧夹具和压紧夹具的预紧力使装夹引入的残余应力小于2MPa后才能开始后续测量；利用钻孔控制系统将钻孔主轴移动到应变片附近位置，通过双目摄像头可以观察到应变片图像；此时定位系统会自动确定钻孔位置然后开始单次0.05mm进给的钻孔过程，钻孔深度达到2mm后，钻孔结束，双目摄像头识别钻孔直径并结合应变数据，自动计算该测点沿深度方向的残余应力大小，此过程自动完成，无需人工干预。5. The test process of the blind hole method residual stress automatic drilling test device according to claim 1 is to first glue the strain gauge to the position that needs to be tested and connect the cable, and after the glue dries, the sample is The parts are clamped on the T-slot table, and the dynamic strain gauge is used to measure the stress introduced by the clamping. When the stress introduced by the clamping system is greater than 2MPa, the clamping force can be adjusted by adjusting the pre-tightening force of the clamping fixture and the clamping fixture. The follow-up measurement can only be started when the residual stress of the machine is less than 2MPa; use the drilling control system to move the drilling spindle to the position near the strain gauge, and the strain gauge image can be observed through the binocular camera; at this time, the positioning system will automatically determine the drilling position and start During the drilling process of a single feed of 0.05mm, when the drilling depth reaches 2mm, the drilling is completed. The binocular camera recognizes the diameter of the hole and combines the strain data to automatically calculate the residual stress of the measuring point along the depth direction. This process automatically Done without manual intervention.
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CN113790841A (en) * 2021-10-09 2021-12-14 西安近代化学研究所 Residual stress detection device and method for compression molding explosive
CN114441079A (en) * 2021-12-24 2022-05-06 浙江工业大学 A Residual Stress Measurement Device Based on Blind Hole Method
CN114459654A (en) * 2022-02-10 2022-05-10 江苏徐工工程机械研究院有限公司 Drilling device for testing residual stress after blind hole method welding and working method thereof
CN115077763A (en) * 2022-05-20 2022-09-20 国家石油天然气管网集团有限公司 Method for measuring residual stress of pipeline
CN115609082A (en) * 2022-09-13 2023-01-17 成都飞机工业（集团）有限责任公司 A blind hanging point processing detection device and processing method
CN115890932A (en) * 2022-09-19 2023-04-04 上海理工大学 A device for measuring the residual stress of hard and brittle material slices by blind hole method
CN117405278A (en) * 2023-11-29 2024-01-16 东莞市唯美陶瓷工业园有限公司 Laser blind hole method residual stress detection system and detection method
CN118291736A (en) * 2024-06-05 2024-07-05 纽威数控装备(苏州)股份有限公司 Machine tool foundation large piece residual stress control method and drilling device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104792440A (en) * 2014-01-17 2015-07-22 中国科学院沈阳自动化研究所 Method of testing three-dimensional residual stress inside laser material increase manufacturing part
CN105598498A (en) * 2016-03-21 2016-05-25 北京中水科工程总公司 Automatic adjustment drilling device for testing welding residual stress
CN106944638A (en) * 2017-04-19 2017-07-14 广东工业大学 A kind of PCB aperture processing method of control cutting heat
CN109434158A (en) * 2018-12-19 2019-03-08 南京工程学院 One kind being based on layer-by-layer drilling-strain rosette technology residual stress measurement drilling equipment
CN208628472U (en) * 2018-03-26 2019-03-22 济南长川数控设备有限公司 A kind of perforating device of residual stress detection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104792440A (en) * 2014-01-17 2015-07-22 中国科学院沈阳自动化研究所 Method of testing three-dimensional residual stress inside laser material increase manufacturing part
CN105598498A (en) * 2016-03-21 2016-05-25 北京中水科工程总公司 Automatic adjustment drilling device for testing welding residual stress
CN106944638A (en) * 2017-04-19 2017-07-14 广东工业大学 A kind of PCB aperture processing method of control cutting heat
CN208628472U (en) * 2018-03-26 2019-03-22 济南长川数控设备有限公司 A kind of perforating device of residual stress detection
CN109434158A (en) * 2018-12-19 2019-03-08 南京工程学院 One kind being based on layer-by-layer drilling-strain rosette technology residual stress measurement drilling equipment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
冯浩等: "《机电一体化系统设计》", 30 May 2020, 华中科技大学出版社 *
宋秋等: "基于DIC方法的残余应力快速测量系统", 《实验力学》 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113790841A (en) * 2021-10-09 2021-12-14 西安近代化学研究所 Residual stress detection device and method for compression molding explosive
CN114441079A (en) * 2021-12-24 2022-05-06 浙江工业大学 A Residual Stress Measurement Device Based on Blind Hole Method
CN114441079B (en) * 2021-12-24 2024-05-17 浙江工业大学 Residual stress measuring device based on blind hole method
CN114459654A (en) * 2022-02-10 2022-05-10 江苏徐工工程机械研究院有限公司 Drilling device for testing residual stress after blind hole method welding and working method thereof
CN114459654B (en) * 2022-02-10 2023-11-07 江苏徐工工程机械研究院有限公司 Blind hole method post-welding residual stress test drilling device and working method thereof
CN115077763A (en) * 2022-05-20 2022-09-20 国家石油天然气管网集团有限公司 Method for measuring residual stress of pipeline
CN115609082A (en) * 2022-09-13 2023-01-17 成都飞机工业（集团）有限责任公司 A blind hanging point processing detection device and processing method
CN115890932A (en) * 2022-09-19 2023-04-04 上海理工大学 A device for measuring the residual stress of hard and brittle material slices by blind hole method
CN117405278A (en) * 2023-11-29 2024-01-16 东莞市唯美陶瓷工业园有限公司 Laser blind hole method residual stress detection system and detection method
CN118291736A (en) * 2024-06-05 2024-07-05 纽威数控装备(苏州)股份有限公司 Machine tool foundation large piece residual stress control method and drilling device

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Application publication date: 20210813