CN106404795A - Infrared information-based metal additive manufacturing process control apparatus and method - Google Patents
Infrared information-based metal additive manufacturing process control apparatus and method Download PDFInfo
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- CN106404795A CN106404795A CN201610941408.8A CN201610941408A CN106404795A CN 106404795 A CN106404795 A CN 106404795A CN 201610941408 A CN201610941408 A CN 201610941408A CN 106404795 A CN106404795 A CN 106404795A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 107
- 239000002184 metal Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000654 additive Substances 0.000 title abstract 5
- 230000000996 additive effect Effects 0.000 title abstract 5
- 230000007547 defect Effects 0.000 claims abstract description 59
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 95
- 239000011229 interlayer Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 14
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- 239000010410 layer Substances 0.000 claims description 6
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
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- 238000009434 installation Methods 0.000 claims description 4
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- 238000009826 distribution Methods 0.000 claims description 3
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- 238000002844 melting Methods 0.000 abstract description 3
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- 230000008569 process Effects 0.000 description 12
- 238000012544 monitoring process Methods 0.000 description 9
- 238000007689 inspection Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
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- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052752 metalloid Inorganic materials 0.000 description 2
- 150000002738 metalloids Chemical class 0.000 description 2
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- 230000035515 penetration Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 238000000110 selective laser sintering Methods 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
Abstract
The invention discloses an infrared information-based metal additive manufacturing process control apparatus. The apparatus comprises: an additive manufacturing operating unit used for manufacturing a metal workpiece; an infrared image information acquisition unit comprising an infrared acquisition device (1) and used for acquiring infrared temperature field images of a melting bath of the workpiece and the circumference of the melting bath in real time; an image processing unit (9) connected with the infrared image information acquisition unit through a data bus (7) and used for processing the infrared temperature field images and generating a feedback instrument; and a feedback control unit (10) used for controlling the additive manufacturing operating unit to adjust parameters in order to eliminate defect or alarm shutdown. The invention also discloses a control method applying the apparatus. The apparatus can realize real-time quality detection of the whole metal additive manufacturing process, and can timely adopt measures to inhibit defect expansion or timely stop operation in order to prevent product discard or repairing after completion.
Description
Technical field
The invention belongs to the process control field of infrared detection and metal increasing material manufacturing, it is based on more particularly, to one kind
The metal increasing material manufacturing process control equipment of infrared information and method.
Background technology
Metal increases material manufacturing technology can process the product that some common metal manufacturing process are difficult to complete, and produces
Cycle is short, efficiency high.Now metal material increasing field comparative maturity be applied to industrial mainly use laser or
Electron beam to carry out molten sintering to metal dust or wire as thermal source.As selective laser sintering (SLS), Direct Laser
Slug type (DMLS) and laser overlaying welding type (SLM) and electronic torch melting (EMB) etc..This metalloid increases material manufacturing technology can fast-growing soon
Output high-quality, high-precision product, and have started to be applied to the industrial circles such as Aero-Space, automobile making, medicine equipment.
However, laser class increasing material manufacturing and arc-welding increasing material manufacturing are in the fabrication process due to material behavior or characteristic parameter
Unavoidably there is defect as inside and outside in hole, crackle, incomplete fusion, molding tolerances etc. in impact.At present, metal increasing material manufacturing
The quality inspection of product still falls within final inspection aspect, i.e. quality inspection after the completion of product.On the one hand utilize size scanning
Instrument tests to find open defect and dimensional discrepancy to member exterior size；On the other hand utilize X-ray detectoscope to structure
Detect a flaw inside part to detect internal flaw.But final inspection has inborn defect and does not have real-time.Product once goes out
Existing defect means scrapping of product or doing over again of complexity, causes huge cost and wastes.Especially some are processed
Larger-size increasing material manufacturing part, if place is comprehended not in time for the defect between each layer of early stage increasing material manufacturing such as incomplete fusion, pore etc.
Directly affect later stage increasing material manufacturing interlayer quality, even result in whole product unqualified.Therefore, industrial need one kind can be
Complete monitoring increasing material manufacturing process during metal increasing material manufacturing, and the device according to increasing material manufacturing process real-time optimization parameter,
Enable to the prevention of the intelligence of defect and real-time detection, shut down in time after defect or carry out parameter adjustment to creating, from source
The quality of metal increasing material manufacturing part, improve production efficiency are ensured on head.
Course monitoring method currently for laser metalloid increasing material manufacturing does not still have documents and materials to record.
And weldering process monitoring is melted for metal and lays particular emphasis on molten road/molten bath infrared sensing method, this is because molten road/molten bath is infrared
The parameter extremely related to quality such as temperature, size, shape is contained in information.Coupling these parameters by analysis can be to molten
Weldering quality is effectively judged.
Patent document CN104741802A discloses a kind of welding quality monitoring system and method, and described system includes welding
Rifle, thermal infrared imager, image acquisition device etc., methods described is to gather laser weld pools infrared information with thermal infrared imager and make
It is parsed into as data parameters with computer, realize the assessment of butt welding point mass.But the disclosed system of patent document CN104741802A
, mainly in the process detection of laser welding, the harvester of use is the thermal imaging system of high price, and this system work(for system and method
Can mainly be partial to monitor, lack welding parameter feedback element.
Content of the invention
Disadvantages described above for prior art or Improvement requirement, the present invention provides a kind of metal based on infrared information to increase material
Manufacture process control apparatus and method, its object is to realize the real-time quality monitoring of metal increasing material manufacturing overall process, work as defect
Can take measures in time after generation, suppress Defect expanding；Stop operation in time when defect exceedes established standardses, be easy to take and arrange
Do over again elimination intralayer defects, prevent reprocessing after product rejection or completion.
To achieve these goals, according to one aspect of the present invention, a kind of metal based on infrared information is provided to increase material
Manufacture process control device, this device includes：
Increasing material manufacturing operating unit, its one end is installed on the table, and the other end is linked with welding gun or nozzle, for manufacturing
Metal works；
Infrared Image Information collecting unit, it is installed on described increasing material manufacturing operating unit near the one of welding gun or nozzle
End, described Infrared Image Information collecting unit includes infrared collecting equipment, the molten bath for metal works described in Real-time Collection and
The infrared temperature field picture of its periphery；
Graphics processing unit, it is connected with described Infrared Image Information collecting unit, for described by data/address bus
Infrared temperature field picture is processed and is generated feedback command；And
Feedback control unit, it is connected with described image processing unit by data/address bus one end, the other end and described increasing
Material manufactures operating unit and connects, for controlling described increasing material manufacturing operating unit according to described feedback command, thus entering to parameter
Row adjustment is to eliminate defect or shutdown of reporting to the police.
Further, described infrared collecting equipment is infrared camera, infrared charge coupling element, infrared sensor or infrared
Thermal imaging system.
Further, the parameter of described infrared collecting equipment and configuration can be according to increasing material manufacturing selected materials and molten bath and weeks
Side regional temperature field is accordingly adjusted and is changed, and is obtained in different temperatures scope, different increasing material manufacturing velocity interval with meeting
Take more accurate infrared image.
Further, described Infrared Image Information collecting unit also includes radiator, for reducing due to welding arc light spoke
Penetrate the high temperature of generation it is ensured that described Infrared Image Information collecting unit normal operation.
Further, described Infrared Image Information collecting unit also includes image pick-up card, for the infrared temperature that will gather
Degree field picture information is converted into visual data signal.
Further, described Infrared Image Information collecting unit also includes protecting valve jacket, for setting described infrared collecting
Standby, radiator and image pick-up card integrated installation in wherein, thus protecting described infrared collecting equipment, radiator and IMAQ
What card splashed when work by thermal source damages, simultaneously can filtration fraction arc light, reduce the interference that infrared collecting equipment is imaged.
Further, described image processing unit includes expert database and processor, for by described infrared temperature field
The infrared image of image and standard Steady-State Thermal Field is compared, thus dimensional defects are intuitively reflected in described infrared image
In shape, it is simultaneously used for for internal flaw being indirectly indicative depth color and distribution characteristics for described infrared temperature field, from
And described dimensional defects and internal flaw are identified, and generate described feedback command.
Further, described internal flaw includes one or more of pore, crackle, overheated or incomplete fusion.
According to another aspect of the present invention, provide a kind of application the described metal increasing material manufacturing process based on infrared information
The control method of control device, the method comprises the steps：
S1：Metal increasing material manufacturing process control equipment based on infrared information is installed on the table, adjusts its position
Put；
S2：The parameter of setting increasing material manufacturing, carries out the increasing material manufacturing of metal works；
S3：Started working based on the metal increasing material manufacturing process control equipment of infrared information, described infrared collecting equipment is real
When gather the molten bath of described metal works and the infrared temperature field picture of neighboring area, and simultaneously detect interlayer temperature difference；
S41：Described image processing system is according to described infrared temperature field picture, the infrared image with standard Steady-State Thermal Field
Compare, carry out detection identification to being likely to occur such as overlap, the defect such as lack of penetration, overheated, described image processing system is known
After not going out described defect, the rank of defect is evaluated；
S411：If described defect exceedes the standard value of setting, it is immediately finished described increasing material manufacturing operation, to described defect
Adopt remedial measures, carry out next layer after described defect expressivity and manufacture；
S412：If described defect, not less than the standard value setting, is grasped to increasing material manufacturing by described feedback control unit
The parameter making unit is regulated and controled, and described defect is repaired, thus eliminating described defect, carrying out next layer and manufacturing；
S42：Described image processing system is poor according to described interlayer temperature, compares with setting mark value；
S421：If described interlayer temperature difference is in rational scope, is adjusted by described feedback control unit and increase material system
Make the parameter of unit, thus realizing stablizing of following temperature difference；
S422：If described interlayer temperature difference is beyond rational scope, terminates increasing material manufacturing operation, take process to arrange
Apply.
Further, described infrared temperature field picture include the surface topography of metal works, forming dimension, forming defects and
Temperature difference between layering.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect：
(1) assembly of the invention, is capable of the real-time quality monitoring of metal increasing material manufacturing overall process, after defect produces
Can take measures in time, suppress Defect expanding；Stop operation in time when defect exceedes established standardses, be easy to take arrange to do over again and disappear
Except intralayer defects, prevent reprocessing after product rejection or completion, define a complete monitoring, feedback, regulation process.
(2) assembly of the invention makes MACH CHK in metal increasing material manufacturing replace artificial or conventional art inspection to become
May, the whole checkout procedure in manufacture in real time, can review.
(3) assembly of the invention modular integrated so that system has good transplantation type, adaptability.Carry out certain
A little configurations and the adjustment of parameter, you can there is the possibility being applied to different metal increasing material manufacturing equipment, can extensively answer
For metal increasing material manufacturing industrial production.
(4) compare and obtain the mode such as molten bath and peripheral temperature using sensor, assembly of the invention utilizes infrared camera
Shoot molten bath and its periphery infrared temperature field Deng infrared collecting equipment, can truly, accurately, intuitively react molten bath and its periphery
The geometrical morphology in region and thermo parameters method situation.
(5) what the method for the present invention was taken is reduced in metal increasing material manufacturing part by regulating and controlling increasing material manufacturing interlayer temperature difference
The method of portion's stress, scientific and effective.
Brief description
Fig. 1 is a kind of signal of metal increasing material manufacturing process control equipment based on infrared information of the embodiment of the present invention
Figure；
Fig. 2 is a kind of logic flow of metal increasing material manufacturing course control method for use based on infrared information of the embodiment of the present invention
Cheng Tu.
In Fig. 1, identical reference represents identical element, wherein：1- infrared collecting equipment, 2- protects valve jacket, 3-
Radiator, 4- accessory power supply, 5- image pick-up card, 6- fixed mechanism, 7- data/address bus, 8- display, 9- graphics processing unit,
10- feedback control unit, 11- nozzle or welding gun, 12- workpiece, 13- precision stage.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.As long as additionally, involved technical characteristic in each embodiment of invention described below that
The conflict of not constituting between this just can be mutually combined.
Fig. 1 is a kind of signal of metal increasing material manufacturing process control equipment based on infrared information of the embodiment of the present invention
Figure.As shown in figure 1, this system includes：Infrared collecting equipment 1, protection valve jacket 2, radiator 3, accessory power supply 4, image pick-up card
5th, fixed mechanism 6, data/address bus 7, display 8, graphics processing unit 9, feedback control unit 10, nozzle or welding gun 11, workpiece
12 and precision stage 13.
As shown in figure 1, infrared collecting equipment 1 is being protected with cooling system 3, accessory power supply 4, image pick-up card 5 integrated installation
In protective case set 2.Infrared collecting equipment 1 is used for the infrared temperature field picture of Real-time Collection molten bath and its periphery；Cooling system 3 is used for
Reduce the high temperature producing due to arc light radiation it is ensured that miscellaneous part normal operation；Accessory power supply 4 is used under specific condition and keeps phase
Machine and miscellaneous part normal work；Image pick-up card 5 is used for for the infrared temperature field picture information of collection being converted into visual number
Word signal；Protect valve jacket 2 for protecting camera lens and miscellaneous part splashes when not worked by thermal source damages, simultaneously being capable of mistake
Filter partial arc, reduces the interference to infrared camera imaging.
In a preferred embodiment of the invention, shown infrared collecting equipment 1 be infrared camera, infrared charge coupling element,
Thermal infrared imager or infrared sensor etc..
As shown in figure 1, the infrared temperature field picture capture card 5 of collection and graphics processing unit 9 are connected by data/address bus 7.
Data/address bus 7 is used for transmitting data signal；Graphics processing unit 9 is used for the infrared temperature field picture of collection and standard stable state temperature
The infrared image of degree field is compared, and can intuitively be reflected in infrared image in shape for molding tolerances equidimension defect,
As bending in temperature field, the phenomenon such as discontinuous；Can be indirectly by infrared temperature for internal flaws such as pore, crackle, incomplete fusions
The shade degree of degree field and distribution characteristics to be differentiated.Based on the identification to defect for the image processing system 9, make corresponding
Feedback command, and alarm shut down or parameter is adjusted to eliminate defect.
In a preferred embodiment of the invention, described internal flaw includes one of pore, crackle, overheated or incomplete fusion
Or it is multiple.
As shown in figure 1, image processing system 9 is connected with feedback control unit 11 by data/address bus 7.Image procossing system
Unite the instruction sending after 9 analyzing defects；Increasing material manufacturing operating unit described in described feedback control unit 11 control operation, thus right
Parameter is adjusted to eliminate defect or shutdown of reporting to the police.
The metal increasing material manufacturing process control equipment based on infrared information for the present invention is it is achieved that carry out to increasing material manufacturing process
Surface topography, forming dimension, the real-time monitoring of forming defects, the real-time detection of temperature difference and adjustment between layering, Real time identification increases
Material manufacturing defect alarm, and whole record increasing material manufacturing engineering can be used for product back-tracing.Additionally, assembly of the invention can be applied
Quality control in the visible consumable electrode of metal increasing material manufacturing and molten bath of various laser classes and the metal increasing material manufacturing of non-melt pole
During system, solve the problems, such as metal increasing material manufacturing overall process can not be controlled in existing increasing material manufacturing.
An a kind of embodiment of the metal increasing material manufacturing course control method for use based on infrared information of the present invention, by above-mentioned
A kind of carried out based on the metal increasing material manufacturing process control equipment of infrared information.Fig. 2 is one kind of the embodiment of the present invention based on red
The logical flow chart of the metal increasing material manufacturing course control method for use of external information.As shown in Fig. 2 the method comprises the steps：
(1) preparation before increasing material manufacturing, the installation including this device is fixing etc..
(2) after ready, the parameter of setting increasing material manufacturing, carry out increasing material manufacturing.
(3) simultaneously, started working based on the metal increasing material manufacturing process control equipment of infrared information.Now, infrared camera 1
The pattern of Real-time Collection molten bath and neighboring area and infrared temperature field information.
(4) monitoring is divided into molten bath and its detection of neighboring area and interlayer temperature difference to detect two parallel processes.
(41) molten bath detection procedure is responsible for judging whether molten bath and neighboring area thermo parameters method are normal, mainly according to pattern
Signature analysis, temperature field detection, normal temperature field are than Peer to being likely to occur as overlap, the defect such as lack of penetration, overheated
Carry out detection identification；After system detectio goes out defect, system can be evaluated to the rank of defect, if defect is exceeded, is immediately finished
Manufacture process, takes measures to defect to manufacture it is ensured that carrying out next layer after defect expressivity；If defect is not exceeded, can be according to scarce
The reason trap out existing regulates and controls to increasing material manufacturing device parameter；
(42) interlayer temperature difference process is responsible for detecting whether the temperature difference of adjacent increasing material manufacturing interlayer is normal.If abnormal,
Equally can be judged whether rationally according to standard；If interlayer temperature difference is in rational scope class, adjust increasing material manufacturing parameter to reach
To stablizing of following temperature difference；If temperature difference exceeds critical field, terminate increasing material manufacturing, take treatment measures.
In a preferred embodiment of the invention, the parameter of described increasing material manufacturing includes electric current, voltage, speed, dust/wire feed
One or more of amount or shielding gas.
In a preferred embodiment of the invention, described infrared temperature field picture includes the surface topography of metal works, shaping
Size, forming defects are with temperature difference and between layering.
In technical scheme, give effect preferably infrared collecting equipment in embodiment, but the present invention does not limit
The infrared camera being given in embodiment, infrared collecting equipment includes infrared camera, infrared charge coupling element, infrared sensor
Or thermal infrared imager, specific infrared collecting equipment is according to actual conditions determination.
The metal increasing material manufacturing course control method for use based on infrared information for the present invention is it is proposed that metal increasing material manufacturing is joined in real time
The control method of number adjustment, decreases the workload that the defect ware rate of increasing material manufacturing product and post-production are processed, improves
Production efficiency.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should comprise
Within protection scope of the present invention.
Claims (10)
1. a kind of metal increasing material manufacturing process control equipment based on infrared information it is characterised in that：This device includes：
Increasing material manufacturing operating unit, its one end is installed on the table, and the other end is linked with welding gun or nozzle (11), for manufacturing
Metal works；
Infrared Image Information collecting unit, it is installed on described increasing material manufacturing operating unit near one end of welding gun or nozzle, institute
State Infrared Image Information collecting unit and include infrared collecting equipment (1), the molten bath for metal works described in Real-time Collection and its
The infrared temperature field picture of periphery；
Graphics processing unit (9), it is connected with described Infrared Image Information collecting unit, for institute by data/address bus (7)
State infrared temperature field picture to be processed and generated feedback command；And
Feedback control unit (10), it is connected with described image processing unit (9) by data/address bus (7) one end, the other end with
Described increasing material manufacturing operating unit connects, for described increasing material manufacturing operating unit is controlled according to described feedback command, thus right
Parameter is adjusted to eliminate defect or shutdown of reporting to the police.
2. a kind of metal increasing material manufacturing process control equipment based on infrared information according to claim 1, its feature exists
In：Described infrared collecting equipment (1) is infrared camera, infrared charge coupling element, infrared sensor or thermal infrared imager.
3. a kind of metal increasing material manufacturing process control equipment based on infrared information according to claim 1 and 2, its feature
It is：The parameter of described infrared collecting equipment (1) and configuration can be according to increasing material manufacturing selected materials and molten bath and neighboring area temperature
Degree field is accordingly adjusted and is changed, and is obtained more accurate in different temperatures scope, different increasing material manufacturing velocity interval with satisfaction
Infrared image.
4. a kind of metal increasing material manufacturing process control dress based on infrared information according to any one of claim 1-3
Put it is characterised in that：Described Infrared Image Information collecting unit also includes radiator (3), for reducing due to welding arc light spoke
Penetrate the high temperature of generation it is ensured that described Infrared Image Information collecting unit normal operation.
5. a kind of metal increasing material manufacturing process control dress based on infrared information according to any one of claim 1-4
Put it is characterised in that：Described Infrared Image Information collecting unit also includes image pick-up card (5), for the infrared temperature that will gather
Degree field picture information is converted into visual data signal.
6. a kind of metal increasing material manufacturing process control dress based on infrared information according to any one of claim 1-5
Put it is characterised in that：Described Infrared Image Information collecting unit also includes protecting valve jacket (2), for setting described infrared collecting
For (1), radiator (3) and image pick-up card (5) integrated installation in wherein, thus protecting described infrared collecting equipment (1), radiating
What device (3) and image pick-up card (5) splashed when not worked by thermal source damages, simultaneously can filtration fraction arc light, reduce to infrared
The interference of collecting device imaging.
7. a kind of metal increasing material manufacturing process control equipment based on infrared information according to claim 1, its feature exists
In：Described image processing unit (9) includes expert database and processor, for will be steady with standard for described infrared temperature field picture
The infrared image in state temperature field is compared, thus dimensional defects are intuitively reflected in described infrared image in shape, with
When for internal flaw is indirectly indicative depth color and distribution characteristics for described infrared temperature field, thus to described size
Defect and internal flaw are identified, and generate described feedback command.
8. a kind of metal increasing material manufacturing process control equipment based on infrared information according to claim 7, its feature exists
In：Described internal flaw includes one or more of pore, crackle, overheated or incomplete fusion.
9. the metal increasing material manufacturing process control equipment based on infrared information any one of a kind of application claim 1-8
Control method it is characterised in that：The method comprises the steps：
S1：Metal increasing material manufacturing process control equipment based on infrared information is installed on the table, adjusts its position；
S2：The parameter of setting increasing material manufacturing, carries out the increasing material manufacturing of metal works；
S3：Started working based on the metal increasing material manufacturing process control equipment of infrared information, described infrared collecting equipment (1) is in real time
Gather the molten bath of described metal works and the infrared temperature field picture of neighboring area, and detect interlayer temperature difference simultaneously；
S41：Described image processing system (9) is according to described infrared temperature field picture, the infrared image with standard Steady-State Thermal Field
Compare, the defect being likely to occur is carried out with detection identification, after described image processing system (9) identifies described defect, right
The rank of defect is evaluated；
S411：If described defect exceedes the standard value of setting, it is immediately finished described increasing material manufacturing operation, described defect is taken
Remedial measure, carries out next layer after described defect expressivity and manufactures；
S412：If described defect, not less than the standard value setting, is grasped to increasing material manufacturing by described feedback control unit (10)
The parameter making unit is regulated and controled, and described defect is repaired, thus eliminating described defect, carrying out next layer and manufacturing；
S42：Described image processing system (9) is poor according to described interlayer temperature, compares with setting mark value；
S421：If described interlayer temperature difference is in rational scope, is adjusted by described feedback control unit (10) and increase material system
Make the parameter of unit, thus realizing stablizing of following temperature difference；
S422：If described interlayer temperature difference is beyond rational scope, terminates increasing material manufacturing operation, take treatment measures.
10. a kind of metal increasing material manufacturing process control equipment based on infrared information according to claim 9, its feature exists
In：Described infrared temperature field picture includes temperature difference between surface topography, forming dimension, forming defects and the layering of metal works.
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Cited By (28)
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