CN105806234A - Automatic detection device and detection method for thickness of solid rocket engine coating - Google Patents
Automatic detection device and detection method for thickness of solid rocket engine coating Download PDFInfo
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- CN105806234A CN105806234A CN201610268322.3A CN201610268322A CN105806234A CN 105806234 A CN105806234 A CN 105806234A CN 201610268322 A CN201610268322 A CN 201610268322A CN 105806234 A CN105806234 A CN 105806234A
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- propellant rocket
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention belongs to the technical field of industrial detection devices and detection methods, and particularly relates to an automatic detection device and detection method for the thickness of a solid rocket engine coating.The technical problems that in an existing detection method for the thickness of the solid rocket engine coating, detection is prone to be influenced by the hardness degree of the coating, coating pollution is prone to be caused, the detection steps are tedious, and random point detection cannot be achieved are solved.According to the automatic detection device and detection method, one-time detection on the thickness of the coating in a solid rocket engine is achieved by combining the laser ranging and vortex thickness measuring principles through a combined sensor composed of a laser ranging measuring head and an annular vortex measuring head; random point detection on the thickness of the coating in the solid rocket engine is achieved by adopting a measurement control system, a main measurement arm, an auxiliary measurement arm and the rotatable combined sensor; operation is convenient and rapid, the detection precision is high, and the application range is wide.
Description
Technical field
The invention belongs to industry detection apparatus and detection method technical field, be specifically related to a kind of solid propellant rocket coating layer thickness automatic detection device and detection method.
Background technology
Solid propellant rocket is generally made up of metal shell, coating (heat insulation layer, lining or clad) and propellant, coating is usually and is cured on metal shell by gluey composite through special process, thickness after its solidification has strict requirement, therefore in process of production, need to carry out the detection of coating layer thickness before loading propellant, internal state and the surface texture of coating during detection, can not be changed.
Existing detection method has supersonic detection method, eddy current detection method and laser detecting method.Huabei Polytechnical College adopts " Lamb wave brings out compressional wave ultrasonic detecting technology " can detect steel sheel undercoating thickness (see China Patent No. 93118358.8), but the method needs contact steel housing, and its suitability is relevant with the acoustic attenuation coefficient of coating and thickness；Eddy current detection method is that eddy current probe directly contacts the coating layer thickness in Coating measurement steel housing, but the method is easily by the impact of coating soft or hard intensity, and belongs to contact measurement, can cause the pollution of coating surface；Thickness measurement with laser method is to adopt laser displacement sensor by measuring the displacement to surface of the coating spraying forward and backward sensor, value measured by twice is subtracted each other and can obtain thick coating angle value (see China Patent No. CN201310137425.2), but the method is required for measuring before and after spraying, add detection burden, and the detection of random point after spraying can not be realized.
Summary of the invention
Present invention aim to address that the detection method of existing solid propellant rocket coating layer thickness exists to be subject to the impact of coating soft or hard degree, to easily cause coating contamination, detecting step loaded down with trivial details and the technical problem of detection of random point cannot be realized, it is provided that a kind of solid propellant rocket coating layer thickness automatic detection device and detection method.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
nullA kind of solid propellant rocket coating layer thickness automatic detection device，Including by measuring arm base、Measure arm support、Main measurement arm、The measuring mechanism of subsidiary arm and combination sensor composition、By workpiece support platform、The left ejection device of workpiece、The right ejection device of workpiece、Active support is taken turns、Driven support is taken turns、The test desk of encoder and Zero-point switch composition、Five motors and control measurement system，Measuring, arm base is provided with line slideway II，First motor is located on measurement arm base and is connected with line slideway II，The lower end measuring arm support is connected with the slide block of line slideway II so that measuring arm support to measure side-to-side movement on arm base，It is provided with line slideway I in the right panel face measuring arm support，Second motor is located on measurement arm support and is connected with line slideway I，The left end of main measurement arm is connected with the slide block of line slideway I so that main measurement arm is measuring up and down motion on arm support，The left end of subsidiary arm is connected by joint I with the right-hand member of main measurement arm，3rd motor is located on measurement arm support and drives subsidiary arm to rotate relative to main measurement arm by steel wire rope I，Combination sensor is located at the right-hand member of subsidiary arm，4th motor is located on measurement arm support and drives combination sensor to rotate at the right-hand member of subsidiary arm by steel wire rope II；Workpiece support platform is located at the right side measuring arm base and is positioned in same level with measuring arm base, the left ejection device of workpiece and the right ejection device of workpiece are respectively provided at the two ends, left and right of workpiece support platform table top, Active support wheel and the driven wheel that supports are respectively provided at the left and right sides of workpiece support platform table top, 5th motor is located on workpiece support platform and is connected with Active support wheel by belt drive, encoder is located at driven support and takes turns, Zero-point switch is located on Active support wheel, control measurement system respectively with five motors, combination sensor, Zero-point switch and encoder electrical connection, for controlling the work of five motors, when the signal of Zero-point switch being detected, control combination sensor and encoder carry out the collection of detection data.
Described combination sensor is made up of sensor fastening device, laser ranging gauge head and toroidal vortex flow gauge head, toroidal vortex flow gauge head is located at the bottom of sensor fastening device, laser ranging gauge head is located at the middle part of sensor fastening device, and makes the center of laser ranging gauge head and toroidal vortex flow gauge head be centrally located at same axis.
A kind of method adopting described solid propellant rocket coating layer thickness automatic detection device to carry out solid propellant rocket coat thickness detection, comprises the following steps:
1) solid propellant rocket to be checked being placed on test desk, controlling Active support wheel rotation by controlling measurement system, thus driving solid propellant rocket to be checked, driven support wheel and encoder code disc to rotate；
2) control main measurement arm by control measurement system to move up and down, be directed at solid propellant rocket opening to be checked；
3) by controlling, the measurement system main measurement arm of control is movable, subsidiary arm rotates and combination sensor rotates so that combination sensor is at range ability inner laser bundle vertical incidence solid propellant rocket detection to be checked position inner surface；
4) control the signal of measurement system detection Zero-point switch, when a signal has been detected, carry out laser and eddy current data collection according to the feedback signal of encoder, finally draw the actual (real) thickness of solid propellant rocket coating to be checked.
The present invention adopts above technical scheme, compared with background technology, the invention have the advantages that
1) combination sensor being made up of laser ranging gauge head and toroidal vortex flow gauge head, achieve the disposable detection of coating layer thickness, avoid pollution that eddy current or ultrasound detection bring and inaccurate, and secondary laser detection bring not convenient, reach the purpose of detection convenient, fast, accurate；
2) upper and lower, movable by main measurement arm, the rotation of subsidiary arm and combination sensor, it is possible to achieve the detection of internal structure complex situations；
3) present invention Active support wheel, driven support wheel, ejection device can regulate as required after workpiece, it is adaptable to many sizes, many specification products detection, use scope wide.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of combination sensor of the present invention；
Fig. 3 and Fig. 4 is that the present invention detects sensor and measurement arm schematic diagram when solid propellant rocket cambered surface section or bevel phase；
Fig. 5 detects the thickness scanogram that 55 cross sections of solid propellant rocket are obtained in the embodiment of the present invention.
Fig. 6 and Fig. 7 detects the obtained thickness curve in the 30th cross section of solid propellant rocket and 30 ° of positions in the embodiment of the present invention.
Detailed description of the invention
nullAs shown in Figure 1，A kind of solid propellant rocket coating layer thickness automatic detection device in the present embodiment，Including by measuring arm base 1、Measure arm support 4、Main measurement arm 11、The measuring mechanism of subsidiary arm 13 and combination sensor 15 composition、By workpiece support platform 25、The left ejection device 24 of workpiece、The right ejection device 17 of workpiece、Active support wheel 21、Driven support wheel 19、The test desk of encoder 18 and Zero-point switch 20 composition、Five motors 2、6、7、8、22 and control measurement system，Measuring, arm base 1 is provided with line slideway II 3，First motor 2 is located on measurement arm base 1 and is connected with line slideway II 3，The lower end measuring arm support 4 is connected with the slide block of line slideway II 3 so that measuring arm support 4 to measure side-to-side movement on arm base 1，It is provided with line slideway I 5 in the right panel face measuring arm support 4，Second motor 8 is located on measurement arm support 4 and is connected with line slideway I 5，The left end of main measurement arm 11 is connected with the slide block of line slideway I 5 so that main measurement arm 11 is measuring up and down motion on arm support 4，The left end of subsidiary arm 13 is connected by joint I 12 with the right-hand member of main measurement arm 11，3rd motor 7 is located on measurement arm support 4 and drives subsidiary arm 13 to rotate relative to main measurement arm 11 by steel wire rope I 9，Combination sensor 15 is located at the right-hand member of subsidiary arm 13，4th motor 6 is located on measurement arm support 4 and drives combination sensor 15 to rotate at the right-hand member of subsidiary arm 13 by steel wire rope II 10；nullWorkpiece support platform 25 is located at the right side measuring arm base 1 and is positioned in same level with measuring arm base 1，The left ejection device of workpiece 24 and the right ejection device 17 of workpiece are respectively provided at the two ends, left and right of workpiece support platform 25 table top，Active support wheel 21 and the driven wheel 19 that supports are respectively provided at the left and right sides of workpiece support platform 25 table top，5th motor 22 is located on workpiece support platform 25 and takes turns 21 by belt drive 23 with Active support and is connected，Encoder 18 is located at driven support on wheel 19，Zero-point switch 20 is located on Active support wheel 21，Control measurement system respectively with five motors 2、6、7、8、22、Combination sensor 15、Zero-point switch 20 and encoder 18 are electrically connected，For controlling five motors 2、6、7、8、The work of 22，When the signal of Zero-point switch 20 being detected，Control combination sensor 15 and encoder 18 carry out the collection of detection data.
As shown in Figure 2, described combination sensor 15 is by sensor fastening device 26) laser ranging gauge head 27 and toroidal vortex flow gauge head 28 form, toroidal vortex flow gauge head 28 is located at the bottom of sensor fastening device 26, laser ranging gauge head 27 is located at the middle part of sensor fastening device 26, and makes the center of laser ranging gauge head 27 and toroidal vortex flow gauge head 28 be centrally located at same axis.The measurement point guaranteeing laser ranging gauge head 27 and toroidal vortex flow gauge head 28 is same point, and the measuring surface distance of the measuring surface of laser ranging gauge head 27 and toroidal vortex flow gauge head 28 is d, d=38mm in the present embodiment.It is M1 that laser ranging gauge head 27 can measure measuring surface to the distance of coating 29 interface, and it is M2 that toroidal vortex flow gauge head 28 can measure measuring surface to the distance of coating 29 inner surface, is calculated the coating layer thickness h=M1-M2-d of measured position by geometrical relationship.
A kind of method adopting solid propellant rocket coating layer thickness automatic detection device described in the present embodiment to carry out solid propellant rocket coat thickness detection, the long 2200mm of solid propellant rocket in the present embodiment, diameter 380mm, 10 cross sections are detected in leading portion cambered surface section, 10 cross sections of cambered surface section detection, rear end, 35 cross sections of middle direct tube section detection, the thickness of coated inside is between 1.5-5mm.
Comprise the following steps:
1) solid propellant rocket 16 to be checked is placed on the Active support wheel 21 on test desk and driven support is taken turns on 19, the left ejection device 24 of workpiece is withstood in one end of solid propellant rocket 16 to be checked, the right ejection device of travelling workpiece 17 withstands the other end of solid propellant rocket 16 to be checked, Active support wheel 21 rotation is controlled, thus driving solid propellant rocket 16 to be checked, driven support wheel 19 and encoder 18 code-disc to rotate by controlling measurement system；
2) control main measurement arm 11 by control measurement system to move up and down, be directed at solid propellant rocket 16 opening to be checked；
3) by controlling, the main measurement arm of measurement system control 11 is movable, subsidiary arm 13 rotates and combination sensor 15 rotates so that combination sensor 15 is at first detection inner surface of range ability inner laser bundle vertical incidence solid propellant rocket 16 to be checked；
4) signal of measurement system detection Zero-point switch 20 is controlled, when a signal has been detected, feedback signal according to encoder 18 carries out laser and eddy current data collection, and through type h=M1-M2-d calculates test point thickness, when Zero-point switch again being detected, the detection of this cross section is complete, preserves first detection sectional plane coating one-tenth-value thickness 1/10 of a week；Main measurement arm 11 moves, subsidiary arm 13 rotates and combination sensor 15 rotates by controlling to control measurement system, adjust position and the direction of combination sensor 15, making combination sensor 15 impinge perpendicularly on solid propellant rocket 16 to be checked 2nd detection inner surface at range ability inner laser bundle, repeat the above steps obtains the thick coating angle value in second cross section；And then the detection one-tenth-value thickness 1/10 in 3-55 cross section can be obtained, and finally drawing the actual (real) thickness of solid propellant rocket 16 coating to be checked, its data show sees that the maximum gauge value that Fig. 5-7, testing result obtain is 4.51mm, and minima is 1.51mm.55 cross section detections need 2 hours 40 minutes altogether, and actually detected speed is determined according to rocket engine size, detection sectional plane number and detection lateral resolution.System is at accuracy of detection respectively 0.1mm and the 0.05mm of cambered surface section and direct tube section.
Claims (3)
- null1. a solid propellant rocket coating layer thickness automatic detection device，It is characterized in that: include by measuring arm base (1)、Measure arm support (4)、Main measurement arm (11)、The measuring mechanism that subsidiary arm (13) and combination sensor (15) form、By workpiece support platform (25)、The left ejection device of workpiece (24)、The right ejection device of workpiece (17)、Active support wheel (21)、Driven support takes turns (19)、The test desk that encoder (18) and Zero-point switch (20) form、Five motors (2、6、7、8、22) and control measurement system，Measuring, arm base (1) is provided with line slideway II (3)，First motor (2) is located at measurement arm base (1) and above and is connected with line slideway II (3)，The lower end measuring arm support (4) is connected with the slide block of line slideway II (3) so that measuring arm support (4) to measure the upper side-to-side movement of arm base (1)，It is provided with line slideway I (5) in the right panel face measuring arm support (4)，Second motor (8) is located at measurement arm support (4) and above and is connected with line slideway I (5)，The left end of main measurement arm (11) is connected with the slide block of line slideway I (5) so that main measurement arm (11) is measuring the upper up and down motion of arm support (4)，The left end of subsidiary arm (13) is connected by joint I (12) with the right-hand member of main measurement arm (11)，3rd motor (7) is located at measurement arm support (4) and above and drives subsidiary arm (13) to rotate relative to main measurement arm (11) by steel wire rope I (9)，Combination sensor (15) is located at the right-hand member of subsidiary arm (13)，4th motor (6) is located at measurement arm support (4) and above and drives combination sensor (15) to rotate at the right-hand member of subsidiary arm (13) by steel wire rope II (10)；nullWorkpiece support platform (25) is located at the right side measuring arm base (1) and is positioned in same level with measuring arm base (1)，The left ejection device of workpiece (24) and the right ejection device of workpiece (17) are respectively provided at the two ends, left and right of workpiece support platform (25) table top，Active support wheel (21) and the driven wheel (19) that supports are respectively provided at the left and right sides of workpiece support platform (25) table top，5th motor (22) is located at workpiece support platform (25) and above and is connected with Active support wheel (21) by belt drive (23)，Encoder (18) is located at driven support on wheel (19)，Zero-point switch (20) is located in Active support wheel (21)，Control measurement system respectively with five motors (2、6、7、8、22)、Combination sensor (15)、Zero-point switch (20) and encoder (18) electrical connection，For controlling five motors (2、6、7、8、22) work，When the signal of Zero-point switch (20) being detected，Control combination sensor (15) and encoder (18) carry out the collection of detection data.
- 2. a kind of solid propellant rocket coating layer thickness automatic detection device according to claim 1, it is characterized in that: described combination sensor (15) is made up of sensor fastening device (26), laser ranging gauge head (27) and toroidal vortex flow gauge head (28), toroidal vortex flow gauge head (28) is located at the bottom of sensor fastening device (26), laser ranging gauge head (27) is located at the middle part of sensor fastening device (26), and makes the center of laser ranging gauge head (27) and toroidal vortex flow gauge head (28) be centrally located at same axis.
- 3. one kind adopts the method that solid propellant rocket coating layer thickness automatic detection device described in claim 1 or 2 carries out solid propellant rocket coat thickness detection, it is characterised in that: comprise the following steps:1) solid propellant rocket to be checked (16) is placed on test desk, Active support wheel (21) rotation is controlled, thus driving solid propellant rocket to be checked (16), driven support wheel (19) and encoder (18) code-disc to rotate by controlling measurement system；2) control main measurement arm (11) by control measurement system to move up and down, be directed at solid propellant rocket to be checked (16) opening；3) by controlling, the measurement system main measurement arm (11) of control is movable, subsidiary arm (13) rotates and combination sensor (15) rotates so that combination sensor (15) detects position inner surface in range ability inner laser bundle vertical incidence solid propellant rocket to be checked (16)；4) signal of measurement system detection Zero-point switch (20) is controlled, when a signal has been detected, feedback signal according to encoder (18) carries out laser and eddy current data collection, finally draws the actual (real) thickness of solid propellant rocket to be checked (16) coating.
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| CN201610268322.3A CN105806234A (en) | 2016-04-27 | 2016-04-27 | Automatic detection device and detection method for thickness of solid rocket engine coating |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961912A (en) * | 2017-10-13 | 2018-04-27 | 天津市久跃科技有限公司 | One kind is exempted to polish intelligent spray equipment |
| CN108663366A (en) * | 2018-03-29 | 2018-10-16 | 北京理工大学 | A kind of solid propellant rocket coated inside coating quality detection device |
| CN109579760A (en) * | 2018-11-22 | 2019-04-05 | 北京航天计量测试技术研究所 | A kind of measurement method of shaped face heat shield molding thickness |
| CN110440703A (en) * | 2019-09-03 | 2019-11-12 | 中北大学 | Large-sized solid rocket engine coating layer thickness Non-contact automatic detection device and method |
| CN111830124A (en) * | 2020-07-02 | 2020-10-27 | 乐清市万正消防设备有限公司 | Fire-fighting steel cylinder detection device for intensive corridor fire safety |
| CN112936889A (en) * | 2021-01-27 | 2021-06-11 | 西安交通大学 | Automatic pasting system for heat insulation layer in sealing head section of solid rocket engine |
| CN113586887A (en) * | 2021-06-23 | 2021-11-02 | 北京航空航天大学 | Device and method for acquiring surface image of inner cavity of solid rocket engine |
| CN113776419A (en) * | 2021-08-07 | 2021-12-10 | 爱德森（厦门）电子有限公司 | Method and device for measuring thickness of eddy current coating by using bicrystal ultrasonic sensor for auxiliary triggering |
| CN114152183A (en) * | 2021-11-15 | 2022-03-08 | 中北大学 | Eddy current measurement correction method for thickness of coating of continuous variable-curvature workpiece |
| CN114184129A (en) * | 2021-10-25 | 2022-03-15 | 上海航天化工应用研究所 | Engine lining thickness measuring device with two head bands closing in |
| CN114353656A (en) * | 2022-01-11 | 2022-04-15 | 中北大学 | Eddy current measurement curved surface correction method for thickness of coating of workpiece with gradually-changing curvature |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207493A (en) * | 1998-09-04 | 1999-02-10 | 清华大学 | Method and apparatus for non-contact measuring thickness of non-metal coating on surface of metal matrix |
| CN1739002A (en) * | 2002-12-13 | 2006-02-22 | 应用材料有限公司 | Method and apparatus for measuring thickness of a test object between two eddy current sensor heads |
| JP2007113980A (en) * | 2005-10-19 | 2007-05-10 | Japan Techno Mate Corp | Noncontact type film thickness gauge |
| CN103234467A (en) * | 2013-04-19 | 2013-08-07 | 中北大学 | Method and device for measuring thickness of bonding layer of variable-diameter solid rocket engine |
| CN204286300U (en) * | 2014-12-05 | 2015-04-22 | 内蒙古航天红峡化工有限公司 | The measurement mechanism of the monolateral thickness of a kind of coating |
-
2016
- 2016-04-27 CN CN201610268322.3A patent/CN105806234A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207493A (en) * | 1998-09-04 | 1999-02-10 | 清华大学 | Method and apparatus for non-contact measuring thickness of non-metal coating on surface of metal matrix |
| CN1739002A (en) * | 2002-12-13 | 2006-02-22 | 应用材料有限公司 | Method and apparatus for measuring thickness of a test object between two eddy current sensor heads |
| JP2007113980A (en) * | 2005-10-19 | 2007-05-10 | Japan Techno Mate Corp | Noncontact type film thickness gauge |
| CN103234467A (en) * | 2013-04-19 | 2013-08-07 | 中北大学 | Method and device for measuring thickness of bonding layer of variable-diameter solid rocket engine |
| CN204286300U (en) * | 2014-12-05 | 2015-04-22 | 内蒙古航天红峡化工有限公司 | The measurement mechanism of the monolateral thickness of a kind of coating |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961912A (en) * | 2017-10-13 | 2018-04-27 | 天津市久跃科技有限公司 | One kind is exempted to polish intelligent spray equipment |
| CN108663366A (en) * | 2018-03-29 | 2018-10-16 | 北京理工大学 | A kind of solid propellant rocket coated inside coating quality detection device |
| CN109579760A (en) * | 2018-11-22 | 2019-04-05 | 北京航天计量测试技术研究所 | A kind of measurement method of shaped face heat shield molding thickness |
| CN110440703A (en) * | 2019-09-03 | 2019-11-12 | 中北大学 | Large-sized solid rocket engine coating layer thickness Non-contact automatic detection device and method |
| CN111830124A (en) * | 2020-07-02 | 2020-10-27 | 乐清市万正消防设备有限公司 | Fire-fighting steel cylinder detection device for intensive corridor fire safety |
| CN112936889A (en) * | 2021-01-27 | 2021-06-11 | 西安交通大学 | Automatic pasting system for heat insulation layer in sealing head section of solid rocket engine |
| CN113586887A (en) * | 2021-06-23 | 2021-11-02 | 北京航空航天大学 | Device and method for acquiring surface image of inner cavity of solid rocket engine |
| CN113776419A (en) * | 2021-08-07 | 2021-12-10 | 爱德森（厦门）电子有限公司 | Method and device for measuring thickness of eddy current coating by using bicrystal ultrasonic sensor for auxiliary triggering |
| CN114184129A (en) * | 2021-10-25 | 2022-03-15 | 上海航天化工应用研究所 | Engine lining thickness measuring device with two head bands closing in |
| CN114184129B (en) * | 2021-10-25 | 2023-11-10 | 上海航天化工应用研究所 | Two-end engine lining thickness measuring device with closing-in |
| CN114152183A (en) * | 2021-11-15 | 2022-03-08 | 中北大学 | Eddy current measurement correction method for thickness of coating of continuous variable-curvature workpiece |
| CN114152183B (en) * | 2021-11-15 | 2023-05-26 | 中北大学 | Eddy current measurement correction method for coating thickness of workpiece with continuously variable curvature |
| CN114353656A (en) * | 2022-01-11 | 2022-04-15 | 中北大学 | Eddy current measurement curved surface correction method for thickness of coating of workpiece with gradually-changing curvature |
| CN114353656B (en) * | 2022-01-11 | 2024-01-30 | 中北大学 | Vortex measurement curved surface correction method for gradually-changed curvature workpiece coating thickness |
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Application publication date: 20160727 |