CN105652797A - Real-time monitoring device and real-time monitoring method of surface flow water film - Google Patents
Real-time monitoring device and real-time monitoring method of surface flow water film Download PDFInfo
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- CN105652797A CN105652797A CN201610002546.XA CN201610002546A CN105652797A CN 105652797 A CN105652797 A CN 105652797A CN 201610002546 A CN201610002546 A CN 201610002546A CN 105652797 A CN105652797 A CN 105652797A
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- moisture film
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4068—Verifying part programme on screen, by drawing or other means
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45103—Security, surveillance applications
Abstract
The invention discloses a real-time monitoring device of a surface flow water film. The real-time monitoring device comprises a positioning laser and a CCD display symmetrically arranged on the two sides of a working axis, a reflecting film attached to the surface of a workpiece, a workpiece manipulator for clamping the workpiece, a water nozzle for spraying out a flow water film covering the reflecting film, and a water spraying manipulator for clamping the water nozzle; and a visible laser beam is reflected to the CCD display through the reflecting film, and a water film spraying path can be conveniently and accurately planned. The invention also discloses a real-time monitoring method of the surface flow water film, which comprises the following steps: setting multiple laser shot blasting positions; irradiating the reflecting film by a laser beam; opening the water nozzle, wherein the laser beam shoots into the water film and is reflected and refracted, and the position of the reflected laser beam shifts; recording the positions of the reflected light on the CCD display before and after water film spraying; calculating the thickness of the water film according to the shift distance; adjusting the water film to the required state through the water spraying manipulator; and acquiring the coordinates of the water spraying position corresponding to each laser shot blasting position and fitting into a water spraying path.
Description
Technical field
The present invention relates to laser processing of materials surface strengthening technology field, particularly relate to the real time monitoring apparatus of a kind of Surface runoff moisture film. The invention still further relates to the method for real-time monitoring of the Surface runoff moisture film of correspondence.
Background technology
Laser peening strengthening is a kind of novel material surface strengthening technology, it is possible to obtains high-amplitude residual compressive stress layer on metallic article surface, is greatly improved the fatigue life of product, and compared with conventional blasting technology, its residual compressive stress layer is deeper. The principle of laser peening is to utilize pulse laser (energy 1 ~ 100J; pulsewidth 10 ~ 30ns) under restrained condition (moisture film or glass) with absorbed layer (aluminium foil or other materials) produce plasma blast; the pressure of intensity up to several gigapascals can be produced; this pressure is propagated to workpiece by absorbed layer; workpiece surface can be produced high-amplitude residual compressive stress; due to the protective effect of absorbed layer, surface of the work will not be subject to hot calcination. At the beginning of 21 century, Laser Peening Technology is applied to the strengthening of F101, F119 and F414 engine blade and remanufactures by the U.S..
The fatigue fracture of aircraft engine blade is one of principal element affecting engine work, and laser peening strengthening aircraft engine blade has unrivaled advantage. The fatigue fracture of engine blade occurs mainly in blade edge, and laser peening processes mainly to be strengthened blade edge region. In laser peening strengthening aircraft engine blade, generally adopt flowing moisture film as restraint layer, in order to ensure the concordance of the stable of shock wave pressure and laser peening effect, it is necessary to assure the uniformity consistency of flowing moisture film. Accordingly, it would be desirable to invent a kind of supervising device and monitoring method monitors the state of flowing moisture film.
Summary of the invention
Not enough for prior art, the technical problem to be solved in the present invention is to provide the real time monitoring apparatus of a kind of Surface runoff moisture film that can cook up moisture film spraying path and flow-control convenient and exactly, and a kind of method for real-time monitoring of Surface runoff moisture film that can cook up moisture film spraying path and flow-control convenient and exactly is provided, include uniformity with the state of dynamic monitoring moisture film and control the thickness of moisture film.
In order to overcome prior art not enough, the equipment and technology scheme that the present invention adopts is: the real time monitoring apparatus of a kind of Surface runoff moisture film, it positioning laser and CCD display of including being symmetricly set in both sides with the centrage of high energy pulse laser for working shaft, the centrage of visible laser bundle that surface traverse positioning laser sends and the intersection point of working shaft the reflectance coating being attached to the pending surface of workpiece, the workpiece manipulator in clamping workpiece its position freely adjustable and direction, towards the pending surface of workpiece the fountain head spraying the flowing moisture film covering reflectance coating surface, it is connected and connects the adjustment valve at water source with fountain head by pipeline, the painting water mechanical hand of clamping fountain head, by data wire respectively with CCD display and be coated with the industrial computer that water mechanical hand and workpiece manipulator are electrically connected, described visible laser bundle is reflexed to CCD display by reflectance coating.
The a kind of of technical scheme as the real time monitoring apparatus of Surface runoff moisture film of the present invention improves, and the axis of described visible laser bundle and working shaft intersect 45 degree of angles.
As a kind of improvement of technical scheme of the real time monitoring apparatus of Surface runoff moisture film of the present invention, the side of described positioning laser is provided with just high-definition camera to working shaft Yu the intersection point of visible laser bundle axis.
The a kind of of technical scheme as the real time monitoring apparatus of Surface runoff moisture film of the present invention improves, and described positioning laser is helium neon laser, and the visible laser bundle that it sends is collimated laser beam, and power is 1 ~ 5 milliwatt, and lasing beam diameter is 10 microns.
The a kind of of technical scheme as the real time monitoring apparatus of Surface runoff moisture film of the present invention improves, and described reflectance coating is copper film, and its thickness is 100 ~ 150 microns.
The a kind of of technical scheme as the real time monitoring apparatus of Surface runoff moisture film of the present invention improves, and the surface of workpiece is plane or curved surface, and the radius of curvature of curved surface is more than 200mm.
The a kind of of technical scheme as the real time monitoring apparatus of Surface runoff moisture film of the present invention improves, and described visible laser bundle irradiation overlaps with working shaft in the incidence point center normal direction of reflectance coating.
In order to overcome prior art not enough, the method and technology scheme that correspondence of the present invention adopts is: the method for real-time monitoring of a kind of Surface runoff moisture film, and it uses the real time monitoring apparatus of above-mentioned Surface runoff moisture film, and comprises the following steps:
A, measurement point is set: by posting the clamping workpiece of reflectance coating to workpiece manipulator, arrange that multiple water film thicknesses measure point by the machining path preset, be designated as S1, S2, S3 ..., Sn in order;
B, by the position adjustment of workpiece manipulator to first measure some a S1, open positioning laser and record reflection laser beam coordinate P1 in CCD display; Opening fountain head, adjustment is coated with water mechanical hand and adjustment valve makes reflectance coating surface obtain one layer of uniform moisture film, records the coordinate P2 reflecting laser beam through refraction in CCD display;
C, calculate the distance d of P1 and P2, obtain water film thickness T by the incident angle calcu-lation between visible laser bundle and working shaft;
D, it is coated with water mechanical hand and regulate valve and calculate the distance of P1 to P2 by repeatedly adjusting, it is thus achieved that the uniform water film of appointed thickness, records the coordinate R1 being coated with water mechanical hand and regulate the flow of valve;
E, repeat step B to D, to all measure some S1, S2, S3 ..., Sn moisture film state be adjusted forming it into the uniform water film of appointed thickness, record each measure point be coated with the coordinate R2 of water mechanical hand, R3 ..., Rn;By R1, R2, R3 ..., Rn coordinate, curve fitting software is utilized to obtain the 5-axis movement track being coated with water mechanical hand.
The a kind of of technical scheme as the method for real-time monitoring of Surface runoff moisture film of the present invention improves, wherein step B is specially, by industrial computer, a S1 is measured in the position adjustment of workpiece manipulator to first, opening positioning laser makes visible laser bundle irradiation to reflectance coating, form reflection laser beam and received by CCD display, recording reflection laser beam coordinate P1 in CCD display; Open fountain head, adjust the coordinate being coated with water mechanical hand and regulate the flow of valve until obtain one layer of uniform moisture film on reflectance coating surface, visible laser bundle is reflected to moisture film by air incidence, then film reflection it is reflected, incided in air by moisture film and again reflect, CCD display is recorded the coordinate P2 of reflection laser beam.
The a kind of of technical scheme as the method for real-time monitoring of Surface runoff moisture film of the present invention improves, in step C, it is seen that the incident angle between laser beam and working shaft is 45 degree, geometric operation can obtain, and the thickness T=0.75*d of moisture film.
The invention has the beneficial effects as follows: the real time monitoring apparatus of the Surface runoff moisture film of the present invention, make parallel visible laser bundle and working shaft angled, incide surface of the work, laser beam is utilized to occur the principle of refraction Laser Measurement shot peening strengthening is flowed the thickness of moisture film from air incidence to water, and the state changing moisture film by being coated with water mechanical hand includes stability and thickness etc., recording laser shot-peening process path takes a little corresponding five axial coordinates being coated with water mechanical hand, it is coated with water geometric locus such that it is able to obtained by curve matching, ensure that laser peening strengthening process corresponding matching carries out appointed thickness and keeps the painting water of uniformity, it is uniform and constant that workpiece path change procedure maintains water film thickness.
The method for real-time monitoring of the Surface runoff moisture film of the present invention adopts the collimated laser beam of micron diameter and working shaft angled, and by comparing the position of reflection light, and adopt five-axle linkage Tu Shui robot, can monitor in real time flowing moisture film thickness, ensure that the stationarity of the moisture film that flows in whole strengthening process and uniformity consistency, the present invention is especially suitable for the laser peening strengthening little curvature surface such as aircraft engine blade and turbine blade.
Accompanying drawing explanation
Fig. 1 is the painting water state organigram of the real time monitoring apparatus of a kind of Surface runoff moisture film of the present invention.
Detailed description of the invention
Below embodiments of the present invention are specifically described.
As shown in Figure 1, figure illustrates the real time monitoring apparatus of a kind of Surface runoff moisture film of the present invention, it positioning laser 2 and CCD display 1 of including being symmetricly set in both sides with the centrage of high energy pulse laser for working shaft 15, the centrage of visible laser bundle 3 that surface traverse positioning laser 2 sends and the intersection point of working shaft 15 reflectance coating 5 being attached to the pending surface of workpiece 6, the workpiece manipulator 12 in clamping workpiece 6 its position freely adjustable and direction, towards the pending surface of workpiece 6 fountain head 8 spraying the flowing moisture film 7 covering reflectance coating 5 surface, it is connected and connects the adjustment valve 9 at water source with fountain head 8 by pipeline 10, the painting water mechanical hand 11 of clamping fountain head 8, by data wire 13 respectively with CCD display 1 and be coated with the industrial computer 14 that water mechanical hand 11 and workpiece manipulator 12 are electrically connected, described visible laser bundle 3 is reflexed to CCD display 1 by reflectance coating 5.The real time monitoring apparatus of the Surface runoff moisture film of the present invention, make parallel visible laser bundle 3 angled with working shaft 15, incide surface of the work, laser beam is utilized to occur the principle of refraction Laser Measurement shot peening strengthening is flowed the thickness of moisture film from air incidence to water, and the state changing moisture film by being coated with water mechanical hand 11 includes stability and thickness etc., recording laser shot-peening process path takes a little corresponding five axial coordinates being coated with water mechanical hand 11, it is coated with water geometric locus such that it is able to obtained by curve matching, ensure that laser peening strengthening process corresponding matching carries out appointed thickness and keeps the painting water of uniformity, it is uniform and constant that workpiece path change procedure maintains water film thickness.
Detailed process is: be first shut off fountain head 8, and by laser beam irradiation to reflectance coating 5, record reflection light is in the position of CCD display 1; Then opening fountain head 8, laser beam incides moisture film 7 and reflects, and due to refraction, in CCD display 1, position offsets, and calculates water film thickness by the distance of 2, and adjusts moisture film state by being coated with water mechanical hand 11. Adopt the present invention can strengthen the state of moisture film in curved surface by monitor in real time laser peening, moisture film spraying path and flow-control can be cooked up convenient and exactly, include uniformity with the state of dynamic monitoring moisture film and control the thickness of moisture film, ensure that the stationarity of the moisture film that flows in whole strengthening process and uniformity consistency, be particularly well-suited to the laser peening strengthening little curvature surface such as aircraft engine blade and turbine blade.
Laser peening intensifying device is provided with high energy pulse laser, and the surface of workpiece 6 can be carried out laser peening intensive treatment after focusing on by the laser beam planoconvex lens that it sends. The laser beam of laser peening strengthening is high power density pulse laser beam, and the power density of laser beam is 109W/cm2 ~ 1010W/cm2, and pulse energy is 1 ~ 100J, and pulse width is 5 ~ 30ns, and laser repetition rate is 5 ~ 20Hz. The thickness of the flowing moisture film 7 needed for laser peening strengthening process is 1 ~ 2mm. Industrial computer 14 can obtain the image of CCD display 1; Industrial computer 14 can control to be coated with water mechanical hand 11 five-axle linkage; Industrial computer 14 can control workpiece manipulator 12 five-axle linkage, thus the whole course of processing is carried out remote control.
More preferably, the axis of described visible laser bundle 3 and working shaft 15 intersect 45 degree of angles, it is possible to calculate the thickness of moisture film easily, it is simple to the corresponding different location of workpiece quickly regulates the spraying state of moisture film and obtains required water film thickness.
More preferably, the side of described positioning laser 2 is provided with just high-definition camera 4 to working shaft 15 with the intersection point of visible laser bundle 3 axis, such that it is able to adopt the state of video monitoring observation flowing moisture film, industrial computer 14 can obtain the video of high-definition camera 4, guarantee that remote control can the state of careful observation moisture film, the effect of general control moisture film, including thickness and stability.
More preferably, described positioning laser 2 is helium neon laser, and the visible laser bundle 3 that it sends is collimated laser beam, power is 1 ~ 5 milliwatt, lasing beam diameter is 10 microns, and such parallel visible laser bundle is easy to observe and receive, it is simple to carry out being accurately positioned use as instrument in position fixing process.
More preferably, described reflectance coating 5 is copper film, and its thickness is 100 ~ 150 microns, positions accurately for reflection.
More preferably, the surface of workpiece 6 is plane or curved surface, and the radius of curvature of curved surface is more than 200mm, it is adaptable to use laser peening reinforcement process to be processed.
More preferably, described visible laser bundle 3 irradiation overlaps with working shaft 15 in the incidence point center normal direction of reflectance coating 5, it is simple to symmetric reflective is so that reflection light properly comes within CCD display 1, it is simple to detection feedback, it is simple to observation position and adjustment.
Painting water state organigram with reference to the real time monitoring apparatus of the Surface runoff moisture film shown in Fig. 1, a kind of method for real-time monitoring of the Surface runoff moisture film of the present invention, it uses the real time monitoring apparatus of above-mentioned Surface runoff moisture film, and the method for real-time monitoring of described Surface runoff moisture film comprises the following steps:
A, measurement point is set: the workpiece 6 of reflectance coating 5 will be posted by chucking appliance system clamping to workpiece manipulator 12, by default machining path, workpiece manipulator 12 is arranged that multiple water film thickness measures point, it is designated as S1, S2, S3 ..., Sn in order, the Processing Curve of workpiece manipulator 12 is taken a decomposition, obtains, for follow-up five axial coordinates being coated with water mechanical hand that obtain, the laser peening point position coordinates setting correspondence;
B, by the position adjustment of workpiece manipulator 12 to first measure some a S1, open positioning laser and record reflection laser beam coordinate P1 in CCD display 1; Open fountain head 8, adjust the coordinate being coated with water mechanical hand 11 and regulate the flow of valve 9 until obtain one layer of uniform moisture film 7 on reflectance coating 5 surface, visible laser bundle 3 is reflected film 5 and reflects and the birefringence of moisture film 7, CCD display 1 is recorded the coordinate P2 of reflection laser beam, thus obtaining two laser-bounce point position coordinateses before and after spraying moisture film;
C, contrast P1 and P2 are at the coordinate of Y-axis and Z axis, calculate the distance d of P1 and P2, obtain water film thickness T by the incident angle calcu-lation between visible laser bundle and working shaft, the thickness of moisture film can be calculated by the offset distance distance of angle of incidence and reflection light;
D, it is coated with water mechanical hand 11 and regulates valve 9 and calculate the distance of P1 to P2 by repeatedly adjusting, obtain the uniform water film 7 of appointed thickness, record the coordinate R1 being coated with water mechanical hand 11 and regulate the flow of valve 9, it is thus achieved that laser peening strengthening process workpiece is in the position coordinates being coated with water machinery 11 handss of appointed thickness moisture film spraying corresponding to a certain position coordinates;
E, repeat step B to D, to all measure some S1, S2, S3 ..., Sn moisture film state be adjusted forming it into the uniform water film 7 of appointed thickness, record each measure point be coated with the coordinate R2 of water mechanical hand 11, R3 ..., Rn; By R1, R2, R3 ..., Rn coordinate, curve fitting software is utilized to obtain the 5-axis movement track being coated with water mechanical hand 11.
The present invention, in laser peening reinforcement process process, is first shut off fountain head 8, and by laser beam irradiation to reflectance coating, record reflection light is in the position of CCD display 1; Then opening fountain head 8, laser beam incides moisture film and reflects, and due to refraction, in CCD display 1, position offsets, and is calculated the thickness of moisture film 7 by the distance of 2, and adjusts moisture film state by being coated with water mechanical hand 11.
Above-mentioned monitoring method is really and makes parallel visible laser bundle 3 angled with working shaft 15, incide surface of the work, due to laser beam refraction in water, the reflection light beam after refraction is made to offset with the reflection light-beam position in air, the thickness of the moisture film that flows in laser peening strengthening is calculated by comparing the skew of the position of reflection light, and the state changing moisture film by regulating painting water mechanical hand includes stability and thickness etc., thereby may be ensured that the flowing moisture film obtaining even in laser peening is strengthened. The present invention adopts five-axle linkage Tu Shui robot, it is also possible to the thickness of monitor in real time flowing moisture film.
The monitoring method adopting above-mentioned series of steps can strengthen the state of moisture film in curved surface by monitor in real time laser peening, moisture film spraying path and flow-control can be cooked up convenient and exactly, include uniformity with the state of dynamic monitoring moisture film and control the thickness of moisture film, ensure that the stationarity of the moisture film that flows in whole laser peening strengthening process and uniformity consistency, the present invention is especially suitable for the laser peening strengthening little curvature surface such as aircraft engine blade and turbine blade.
More preferably, wherein step B is specially, by industrial computer 14, the position adjustment of workpiece manipulator 12 is measured some S1 to first, opening positioning laser 2 makes visible laser bundle 3 irradiation to the workpiece 6 being pasted with reflectance coating 5, the visible laser bundle 3 that positioning laser 2 sends is reflected to form reflection laser beam by reflectance coating 5 and is received by CCD display 1, records reflection laser beam coordinate P1 in CCD display 1; Open fountain head 8, the state of moisture film 7 is observed by high-definition camera 4, adjust the coordinate being coated with water mechanical hand 11 and regulate the flow of valve 9 until obtain one layer of uniform moisture film 7 on reflectance coating 5 surface, the visible laser bundle 3 that positioning laser 2 sends is reflected to moisture film 7 by air incidence, then visible laser bundle 3 is reflected film 5 and reflects, incided in air by moisture film 7 and again reflect, CCD display 1 is recorded the coordinate P2 of reflection laser beam. Speculating, by the coordinate of P1, P2 is counter, the thickness calculating moisture film, Adjustable calculation finds and spray can specify the position being coated with water mechanical hand corresponding to fountain head of water film thickness and regulate the flow of valve repeatedly.
More preferably, in step C, it is seen that the incident angle between laser beam and working shaft is 45 degree, geometric operation can obtain, the thickness T=0.75*d of moisture film.
Above disclosed it is only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to the present patent application the scope of the claims with this, still belong to the scope that the present invention contains.
Claims (10)
1. the real time monitoring apparatus of a Surface runoff moisture film, it is characterized in that: include being symmetricly set in positioning laser and the CCD display of both sides with the centrage of high energy pulse laser for working shaft, the centrage of visible laser bundle that surface traverse positioning laser sends and the intersection point of working shaft the reflectance coating being attached to the pending surface of workpiece, the workpiece manipulator in clamping workpiece its position freely adjustable and direction, towards the pending surface of workpiece the fountain head spraying the flowing moisture film covering reflectance coating surface, it is connected and connects the adjustment valve at water source with fountain head by pipeline, the painting water mechanical hand of clamping fountain head, by data wire respectively with CCD display and be coated with the industrial computer that water mechanical hand and workpiece manipulator are electrically connected, described visible laser bundle is reflexed to CCD display by reflectance coating.
2. the real time monitoring apparatus of Surface runoff moisture film according to claim 1, it is characterised in that: the axis of described visible laser bundle and working shaft intersect 45 degree of angles.
3. the real time monitoring apparatus of Surface runoff moisture film according to claim 1, it is characterised in that: the side of described positioning laser is provided with just high-definition camera to working shaft Yu the intersection point of visible laser bundle axis.
4. the real time monitoring apparatus of Surface runoff moisture film according to claim 1, it is characterised in that: described positioning laser is helium neon laser, and the visible laser bundle that it sends is collimated laser beam, and power is 1 ~ 5 milliwatt, and lasing beam diameter is 10 microns.
5. the real time monitoring apparatus of Surface runoff moisture film according to claim 1, it is characterised in that: described reflectance coating is copper film, and its thickness is 100 ~ 150 microns.
6. the real time monitoring apparatus of Surface runoff moisture film according to claim 1, it is characterised in that: the surface of workpiece is plane or curved surface, and the radius of curvature of curved surface is more than 200mm.
7. the real time monitoring apparatus of Surface runoff moisture film according to claim 1, it is characterised in that: described visible laser bundle irradiation overlaps with working shaft in the incidence point center normal direction of reflectance coating.
8. the method for real-time monitoring of a Surface runoff moisture film, it is characterised in that the real time monitoring apparatus of use Surface runoff moisture film described in claim 1, the method for real-time monitoring of described Surface runoff moisture film comprises the following steps:
A, measurement point is set: by posting the clamping workpiece of reflectance coating to workpiece manipulator, arrange that multiple water film thicknesses measure point by the machining path preset, be designated as S1, S2, S3 ..., Sn in order;
B, by the position adjustment of workpiece manipulator to first measure some a S1, open positioning laser and record reflection laser beam coordinate P1 in CCD display; Opening fountain head, adjustment is coated with water mechanical hand and adjustment valve makes reflectance coating surface obtain one layer of uniform moisture film, records the coordinate P2 reflecting laser beam through refraction in CCD display;
C, calculate the distance d of P1 and P2, obtain water film thickness T by the incident angle calcu-lation between visible laser bundle and working shaft;
D, it is coated with water mechanical hand and regulate valve and calculate the distance of P1 to P2 by repeatedly adjusting, it is thus achieved that the uniform water film of appointed thickness, records the coordinate R1 being coated with water mechanical hand and regulate the flow of valve;
E, repeat step B to D, to all measure some S1, S2, S3 ..., Sn moisture film state be adjusted forming it into the uniform water film of appointed thickness, record each measure point be coated with the coordinate R2 of water mechanical hand, R3 ..., Rn; By R1, R2, R3 ..., Rn coordinate, curve fitting software is utilized to obtain the 5-axis movement track being coated with water mechanical hand.
9. the method for real-time monitoring of Surface runoff moisture film according to claim 8, it is characterized in that: wherein step B is specially, by industrial computer, a S1 is measured in the position adjustment of workpiece manipulator to first, opening positioning laser makes visible laser bundle irradiation to reflectance coating, form reflection laser beam and received by CCD display, recording reflection laser beam coordinate P1 in CCD display; Open fountain head, adjust the coordinate being coated with water mechanical hand and regulate the flow of valve until obtain one layer of uniform moisture film on reflectance coating surface, visible laser bundle is reflected to moisture film by air incidence, then film reflection it is reflected, incided in air by moisture film and again reflect, CCD display is recorded the coordinate P2 of reflection laser beam.
10. the method for real-time monitoring of Surface runoff moisture film according to claim 8, it is characterised in that: in step C, it is seen that the incident angle between laser beam and working shaft is 45 degree, geometric operation can obtain, the thickness T=0.75*d of moisture film.
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| CN201610002546.XA CN105652797A (en) | 2016-01-06 | 2016-01-06 | Real-time monitoring device and real-time monitoring method of surface flow water film |
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| CN201610002546.XA CN105652797A (en) | 2016-01-06 | 2016-01-06 | Real-time monitoring device and real-time monitoring method of surface flow water film |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114346409A (en) * | 2021-12-06 | 2022-04-15 | 苏州菲镭泰克激光技术有限公司 | Real-time processing path generation system for three-dimensional scanning and verification |
| CN114700627A (en) * | 2022-05-13 | 2022-07-05 | 西安交通大学 | Laser impact liquid restraint layer thickness control system |
| CN115976451A (en) * | 2022-12-12 | 2023-04-18 | 北京金轮坤天特种机械有限公司 | Preparation method of pneumatic heating surface high-temperature-resistant instantaneous oxidation ablation-resistant coating |
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| CN103882188A (en) * | 2012-12-24 | 2014-06-25 | 中国科学院沈阳自动化研究所 | Laser shock strengthening device of blisk |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114346409A (en) * | 2021-12-06 | 2022-04-15 | 苏州菲镭泰克激光技术有限公司 | Real-time processing path generation system for three-dimensional scanning and verification |
| CN114346409B (en) * | 2021-12-06 | 2024-01-26 | 苏州菲镭泰克激光技术有限公司 | Real-time processing path generation system for three-dimensional scanning and verification |
| CN114700627A (en) * | 2022-05-13 | 2022-07-05 | 西安交通大学 | Laser impact liquid restraint layer thickness control system |
| CN115976451A (en) * | 2022-12-12 | 2023-04-18 | 北京金轮坤天特种机械有限公司 | Preparation method of pneumatic heating surface high-temperature-resistant instantaneous oxidation ablation-resistant coating |
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