CN108372304A - A kind of 3D processing methods and 3D process equipments - Google Patents
A kind of 3D processing methods and 3D process equipments Download PDFInfo
- Publication number
- CN108372304A CN108372304A CN201810140307.XA CN201810140307A CN108372304A CN 108372304 A CN108372304 A CN 108372304A CN 201810140307 A CN201810140307 A CN 201810140307A CN 108372304 A CN108372304 A CN 108372304A
- Authority
- CN
- China
- Prior art keywords
- unit
- laser
- printing
- temperature
- laser head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
- B22F10/368—Temperature or temperature gradient, e.g. temperature of the melt pool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/50—Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
- B22F12/37—Rotatable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a kind of 3D processing methods and 3D process equipments, 3D processing methods include：Laser gain material cladding system carries out 3D printing and obtains 3D printing unit；Image acquisition unit obtains the image information of the 3D printing unit and is sent to image processing unit；Image processing unit judges whether the 3D printing unit is cut, if so, driving machining unit cuts the 3D printing unit；Otherwise, driving laser gain material cladding system continues 3D printing.The 3D processing methods and process equipment of the present invention is by the way that laser gain material formation system to be combined with multiple spindle processing system, during carrying out 3D printing, acquire the image of 3D printing unit, and 3D printing unit is precisely cut by machining unit, achievable laser melts controllable when covering 3D printing molded parts, the disadvantages such as forming fails caused by touch system and forming accuracy is low are avoided, realize that efficient, the high-precision of 3D workpiece are processed.
Description
Technical field
The present invention relates to 3D printing technique field, more particularly to a kind of 3D processing methods and 3D process equipments.
Background technology
In recent years, laser melts the characteristics of covering 3D printing technique flexible with it, high efficiency manufacture complex parts and is rapidly developed.
Its parts fabricated has the advantages that metallurgical quality is good, shaping speed is fast, compact dimensions are big, but formation of parts is bright and clean
Degree and precision are relatively low, and especially cooperation position can not ensure precision, be that laser melting coating 3D printing technique is difficult to heavy industrialization most
For important factor.
In order to improve laser melting coating 3D printing technique forming accuracy, conventional method is the convergence by improving laser beam
Property, printing spot size is reduced, forming accuracy is improved, but still be difficult to reach the precision of industrial lathe machining, while reducing and beating
Print spot size carrys out great difficulty to the supply belt of super-fine material, and becoming smaller for fusion zone can bring forming speed to be greatly reduced, this
The promotion for the machining accuracy that kind is brought with sacrificing 3D printing efficiency is very limited, thus is unsuitable for the industry neck of large-scale production
Domain.It is combined with high-precision numerical control machine in view of the above-mentioned problems, laser is melted and covers 3D printing technique, researched and developed while there is increase and decrease material system
Make the manufacturing equipment of function.
At present combine increase and decrease material one process equipment in laser cladding process can not to deposition highly, bath temperature with
And the control of the technological parameters such as laser power, and the variation of these technological parameters can influence the size characteristic of drip molding,
Such as the width etc. of height, the height that workpiece rises every time, the flatness of workpiece surface, per pass that workpiece can be accumulated.It is each simultaneously
It also influences each other again between parameter, is an extremely complex process.And most of 3D printing process all uses both at home and abroad at present
" blind " manual labour skill, need to summarize a large amount of process data, complex forming technology, and often each Shape Parts, each material be all
It needs constantly to test, almost each layer is required for summing up technological parameter；And when occurring abnormal during molding, system without
Method identifies, can not adjust automatically will cause can not to continue to be molded or stay in defect in workpiece if not going manual intervention,
Machine must be operated by veteran professional technician observe completed state at any time can just make more qualified part, serious shadow
The popularization of metal 3D printing is rung.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide one kind to cut printed product, beats
Print 3D processing methods with high accuracy.
A kind of 3D processing methods, including：
Laser gain material cladding system carries out 3D printing and obtains 3D printing unit；
Image acquisition unit obtains the image information of the 3D printing unit and is sent to image processing unit；
Image processing unit judges whether the 3D printing unit is cut, if so, driving cutting list
Member cuts the converted products；Otherwise, driving laser gain material cladding system continues 3D printing.
As a further improvement on the present invention, this method further includes：
Described image acquiring unit obtains the image information of laser head and molten bath and is sent to described image processing unit；
Described image processing unit analyzes the image information in the laser head and molten bath, obtains laser head to molten bath center
Range information；
Laser grease head highness is adjusted according to the range information of laser head to molten bath center, ensures defocusing amount and deposition height not
Become.
As a further improvement on the present invention, this method further includes：
Temperature collecting cell acquires bath temperature data, and temperature data is sent to temperature treating units；
Temperature treating units will be compared after temperature data progress average value processing with specified rate；
When bath temperature is outside range of set value, then bath temperature is adjusted to setting value by adjusting the power of laser
In range.
The second purpose of the present invention is to provide one kind having control system, can cut printed product, printing precision
High 3D process equipments.
A kind of 3D process equipments, including multiple spindle processing system, laser gain material cladding system and control system, the multiaxis add
Work system is equipped with machining unit and print platform, and the control system includes image acquisition unit, image transmission unit
And image processing unit；
The laser gain material cladding system is used to carry out 3D printing on the print platform to obtain 3D printing unit；
Described image acquiring unit is used to obtain the image information of the 3D printing unit；
Described image transmission unit is used to the image information of 3D printing unit being sent to described image processing unit；
Described image processing unit is for judging whether the 3D printing unit is cut；
The machining unit is used to judge that the 3D printing unit is cut when described image processing unit
When cutting, the 3D printing unit is cut.
As a further improvement on the present invention, described image acquiring unit is additionally operable to obtain laser head and the image letter in molten bath
Breath；Described image transmission unit is additionally operable to the image information of laser head and molten bath being sent to described image processing unit；It is described
Image processing unit is additionally operable to handle the image information in the laser head and molten bath, obtains laser head and believes to the distance at molten bath center
Breath.
As a further improvement on the present invention, the control system further includes laser head height adjusting unit, the laser
Grease head highness adjusting unit is used to adjust laser grease head highness according to the range information of laser head to molten bath center, ensures defocusing amount and sinks
Product height is constant.
As a further improvement on the present invention, the control system further includes temperature collecting cell, temperature transmission unit, temperature
Spend processing unit and thermostat unit；
The temperature collecting cell is for acquiring bath temperature data；
The temperature transmission unit is used to bath temperature data being sent to the temperature treating units；
The temperature treating units are used to be compared with specified rate after bath temperature data progress average value processing；
The thermostat unit is used for when temperature treating units obtain bath temperature outside range of set value, passes through tune
The power of laser is saved to adjust in bath temperature to range of set value.
As a further improvement on the present invention, the laser is connect with digital regulation resistance, and the thermostat unit is logical
The resistance value of digital regulation resistance is overregulated to adjust the power of laser, and then adjusts bath temperature.
As a further improvement on the present invention, mobile placement unit, the movement are installed on the multiple spindle processing system
The laser head that placement unit is used to capture laser gain material cladding system carries out 3D printing on the print platform, and the movement is grabbed
Unit is taken to be additionally operable to capture the machining unit and cut 3D printing unit.
As a further improvement on the present invention, the print platform is two Shaft and NC Machining Test workbench, the two Shaft and NC Machining Tests work
Platform is additionally provided with X-axis motion, Y-axis motion and Z axis movement for realizing rotating and swinging on the multiple spindle processing system
Mechanism.
Beneficial effects of the present invention：
The 3D processing methods and process equipment of the present invention is by mutually tying laser gain material formation system with multiple spindle processing system
It closes, laser head is precisely controlled by multiple spindle processing system and print platform moves, and printed by control system control laser head
3D printing is carried out on platform, while acquiring the image of 3D printing unit, and 3D printing unit is carried out by machining unit
Precisely cutting, it can be achieved that laser melt it is controllable when covering 3D printing molded parts, avoid caused by touch system shape failure
And the disadvantages such as forming accuracy is low, realize that efficient, the high-precision of 3D workpiece are processed.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow the above and other objects, features and advantages of the present invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is the schematic diagram of 3D processing methods in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of 3D process equipments in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of multiple spindle processing system in the embodiment of the present invention；
Fig. 4 is the internal structure schematic diagram of multiple spindle processing system in the embodiment of the present invention；
Fig. 5 is the partial structural diagram of laser gain material formation system in the embodiment of the present invention；
Fig. 6 is the schematic diagram of control system in the embodiment of the present invention；
Description of symbols：100, multiple spindle processing system；110, X-axis motion；120, Y-axis motion；130, Z axis moves
Mechanism；140, two Shaft and NC Machining Test workbench；150, the base of tool；200, laser gain material cladding system；210, laser head seat；220, laser
Head；300, control system.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, for the 3D processing methods in the embodiment of the present invention, this approach includes the following steps：
Step S110, laser gain material cladding system carries out 3D printing and obtains 3D printing unit；
Specifically, laser gain material cladding system carries out 3D printing on multiple spindle processing system, set on the multiple spindle processing system
There are X-axis motion, Y-axis motion and Z axis motion, is additionally provided with the two Shaft and NC Machining Test workbench as print platform, it should
Two Shaft and NC Machining Test workbench are connect with X-axis motion, and the two Shaft and NC Machining Tests workbench is for realizing rotating and swing, Y-axis fitness machine
Structure is connect with Z axis motion, and mobile placement unit is equipped on Z axis motion, and X-axis motion is equipped with laser head
, the laser head in laser gain material system is placed in the laser head seat, which drives laser head seat to specific bit
It sets, 3D printing is carried out on the laser head to two Shaft and NC Machining Test workbench in movement placement unit crawl laser head seat.
Step S120, image acquisition unit obtains the image information of the 3D printing unit and is sent to image procossing list
Member；
Preferably, which is colored CCD camera, and the colored CCD camera is solid with multiple spindle processing system
Fixed connection.
Step S130, image processing unit judges whether the 3D printing unit is cut；
Specifically, image processing unit judges that the forming defect of 3D printing unit is according to the image information of 3D printing unit
It is no, if having exceeded range of set value, to then follow the steps S140 in range of set value, if in range of set value, execute step
Rapid S150.
Step S140, driving machining unit cuts the 3D printing unit；
Specifically, machining unit is set in multiple spindle processing system, machining unit includes rotary cutter seat, rotation
Cutting tool is installed, rotary cutter seat is connect with Y-axis motion, and Y-axis motion drives the cutting tool on the base of tool
To designated position, laser head is positioned in laser head seat by above-mentioned mobile placement unit, captures two Shaft and NC Machining Test of cutting tool pair
3D printing unit on workbench is cut.
Step S150, driving laser gain material cladding system continues 3D printing.
Preferably, this method further includes defocusing amount and deposits height rate-determining steps, including：
Described image acquiring unit obtains the image information of laser head and molten bath and is sent to described image processing unit；
Described image processing unit analyzes the image information in the laser head and molten bath, obtains laser head to molten bath center
Range information；
Specifically：Described image processing unit is to laser head and the double hot spots of crater image carry out gray proces, region intercepts,
The operations such as gaussian filtering, the segmentation of two-value threshold, beam pattern extraction, obtain hot spot spacing.
Laser grease head highness is adjusted according to the range information of laser head to molten bath center, ensures defocusing amount and deposition height not
Become.
Specifically, when hot spot spacing is more than setting value, laser head is adjusted to molten bath by adjusting the height of laser head
In centre distance to range of set value, ensure that defocusing amount and deposition height are constant.
Preferably, this method further includes bath temperature rate-determining steps, including：
Temperature collecting cell acquires bath temperature data, and temperature data is sent to temperature treating units；
Preferably, bath temperature is acquired by infrared radiation thermometer.
Temperature treating units will be compared after temperature data progress average value processing with specified rate；
When bath temperature is outside range of set value, then bath temperature is adjusted to setting value by adjusting the power of laser
In range.
Preferably, laser is connect with digital regulation resistance, and laser is adjusted by adjusting the resistance value of digital regulation resistance
Power.
Fig. 2-6 is for 3D process equipments in the embodiment of the present invention, which includes：Multiple spindle processing system 100, laser gain material
Cladding system 200 and control system 300, multiple spindle processing system 100 are equipped with X-axis motion 110,120 and of Y-axis motion
Z axis motion 130, is additionally provided with the two Shaft and NC Machining Test workbench 140 as print platform, and two Shaft and NC Machining Test workbench 140 are transported with X-axis
Motivation structure 110 connects, and two Shaft and NC Machining Test workbench 140 are used as print platform, two Shaft and NC Machining Test workbench 140 to may be implemented to rotate and put
It is dynamic, while Y-axis motion 120 is connect with Z axis motion 130, and mobile placement unit is equipped on Z axis motion 130,
X-axis motion is equipped with laser head seat 210, and the laser head 220 in laser gain material cladding system 200 is placed in the laser head seat
On 210, above-mentioned mobile placement unit carries out 3D printing for capturing laser head 220 on two Shaft and NC Machining Test processing work platforms 140, more
Axis system of processing 100 is internally provided with rotary cutter seat 150, and rotary cutter seat 150 is connect with Y-axis motion, rotary cutter seat
Cutting tool is installed, above-mentioned mobile placement unit is additionally operable to capture on the two Shaft and NC Machining Test workbench 140 of cutting tool pair on 150
3D printing unit cut.Laser gain material cladding system 200 further includes coaxial powder-feeding spray in laser cladding rapid forming light
Head, laser, handpiece Water Chilling Units, powder feeder, protective gas etc..
Control system 300 includes crawl control unit, print control unit, image acquisition unit, image transmission unit, figure
As processing unit, cutting control unit.
Crawl control unit is for controlling above-mentioned mobile placement unit crawl 220 to two Shaft and NC Machining Test processing work platform of laser head
On 140；
Print control unit is carried out for controlling laser gain material cladding system 200 on two Shaft and NC Machining Test processing work platforms 140
3D printing；
Image acquisition unit is used to obtain the image information of 3D printing unit on two Shaft and NC Machining Test workbench 140；
Preferably, which is colored CCD camera, the colored CCD camera and multiple spindle processing system 100
It is fixedly connected.
Image transmission unit is used to the image information of 3D printing unit being sent to image processing unit；
Image processing unit is for judging whether 3D printing unit is cut；
Specifically, image processing unit judges that the forming defect of 3D printing unit is according to the image information of 3D printing unit
It is no in range of set value, if having exceeded range of set value, cut, otherwise do not needed.
Crawl control unit, which is additionally operable to control above-mentioned mobile placement unit and captures above-mentioned cutting tool to two Shaft and NC Machining Tests, to work
On platform 140；
It cuts control unit to be used for when being cut, control on two Shaft and NC Machining Test workbench 140 of cutting tool pair
3D printing unit is cut.
Preferably, image acquisition unit is additionally operable to obtain the image information of laser head 220 and molten bath；Image transmission unit is also
For the image information of laser head 220 and molten bath to be sent to image processing unit；Image processing unit is additionally operable to processing laser
First 220 and molten bath image information, obtain laser head 220 to molten bath center range information.
Specifically：Image processing unit is to laser head and the double hot spots of crater image carry out gray proces, region intercepts, Gauss
The operations such as filtering, the segmentation of two-value threshold, beam pattern extraction, obtain hot spot spacing.
Preferably, intelligence control system 300 further includes height adjusting unit, and height adjusting unit according to laser head for arriving
The range information at molten bath center adjusts laser grease head highness, ensures that defocusing amount and deposition height are constant.
Specifically, when hot spot spacing is more than setting value, laser head is adjusted to molten bath by adjusting the height of laser head
In centre distance to range of set value, ensure that defocusing amount and deposition height are constant.
Preferably, intelligence control system 300 further include temperature collecting cell, temperature transmission unit, temperature treating units and
Thermostat unit；
Temperature collecting cell is for acquiring bath temperature data；
Preferably, temperature collecting cell includes infrared radiation thermometer, and bath temperature is measured by infrared radiation thermometer.
Temperature transmission unit is used to bath temperature data being sent to temperature treating units；
Temperature treating units are used to be compared with specified rate after bath temperature data progress average value processing；
Thermostat unit is used for when temperature treating units obtain bath temperature outside range of set value, is swashed by adjusting
The power of light device is adjusted in bath temperature to range of set value.
Specifically, when bath temperature is excessively high, then the power of laser is turned down, when bath temperature is too low, is then turned up and swashs
The power of light device.
Preferably, laser is connect with digital regulation resistance, the resistance value that thermostat unit passes through adjusting digital regulation resistance
To adjust the power of laser, and then adjusting bath temperature.
Beneficial effects of the present invention：
(1) 3D processing methods of the invention and process equipment are by by laser gain material formation system and multiple spindle processing system phase
In conjunction with being precisely controlled laser head and print platform by multiple spindle processing system and move, and beaten by control system control laser head
Carry out 3D printing on print platform, while acquiring the image of 3D printing unit, and by machining unit to 3D printing unit into
Row precisely cutting, it can be achieved that laser melt it is controllable when covering 3D printing molded parts, avoid caused by touch system shape lose
It loses and the disadvantages such as forming accuracy is low, efficient, the high-precision of realization 3D workpiece is processed.
(2) image information for acquiring laser head and molten bath, obtains laser head to the range information at molten bath center, passes through adjusting
Laser grease head highness is realized to the control of defocusing amount and deposition height, and the molding of 3D printing part is avoided to fail.
(3) bath temperature information is acquired, by adjusting adjusting of the laser output power realization to bath temperature, is ensured molten
The equilibrium temperature of pond temperature reaches in laser three-D banking process, lowers or eliminate the temperature build in synusia banking process
Effect ensures that the geometric accuracies indexs such as height, thickness, the flatness of banking process synusia are consistent, and consolidation metallurgical process is stablized, no
Molten, the fine and closely woven purpose of even tissue is not owed in superfusion.
Above example is only to absolutely prove preferred embodiment that is of the invention and being lifted, and protection scope of the present invention is not
It is limited to this.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, the present invention guarantor
Within the scope of shield.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of 3D processing methods, which is characterized in that including：
Laser gain material cladding system carries out 3D printing and obtains 3D printing unit；
Image acquisition unit obtains the image information of the 3D printing unit and is sent to image processing unit；
Image processing unit judges whether the 3D printing unit is cut, if so, driving machining unit pair
The 3D printing unit is cut；Otherwise, driving laser gain material cladding system continues 3D printing.
2. 3D processing methods as described in claim 1, which is characterized in that further include：
Described image acquiring unit obtains the image information of laser head and molten bath and is sent to described image processing unit；
Described image processing unit analyzes the image information in the laser head and molten bath, obtain laser head to molten bath center distance
Information；
Laser grease head highness is adjusted according to the range information of laser head to molten bath center, ensures that defocusing amount and deposition height are constant.
3. 3D processing methods as described in claim 1, which is characterized in that further include：
Temperature collecting cell acquires bath temperature data, and temperature data is sent to temperature treating units；
Temperature treating units will be compared after temperature data progress average value processing with specified rate；
When bath temperature is outside range of set value, then bath temperature is adjusted to range of set value by adjusting the power of laser
It is interior.
4. a kind of 3D process equipments, it is characterised in that：Including multiple spindle processing system, laser gain material cladding system and control system,
The multiple spindle processing system is equipped with machining unit and print platform, and the control system includes image acquisition unit, figure
As transmission unit and image processing unit；
The laser gain material cladding system is used to carry out 3D printing on the print platform to obtain 3D printing unit；
Described image acquiring unit is used to obtain the image information of the 3D printing unit；
Described image transmission unit is used to the image information of 3D printing unit being sent to described image processing unit；
Described image processing unit is for judging whether the 3D printing unit is cut；
The machining unit is used for when described image processing unit judges that the 3D printing unit is cut,
The 3D printing unit is cut.
5. 3D process equipments as claimed in claim 4, which is characterized in that described image acquiring unit is additionally operable to obtain laser head
With the image information in molten bath；Described image transmission unit is additionally operable to the image information in laser head and molten bath being sent to described image
Processing unit；Described image processing unit is additionally operable to handle the image information in the laser head and molten bath, obtains laser head to molten
The range information at pond center.
6. 3D process equipments as claimed in claim 5, which is characterized in that the control system further includes that laser grease head highness is adjusted
Unit, the laser head height adjusting unit are used to adjust laser grease head highness according to the range information of laser head to molten bath center,
Ensure that defocusing amount and deposition height are constant.
7. 3D process equipments as claimed in claim 4, which is characterized in that the control system further include temperature collecting cell,
Temperature transmission unit, temperature treating units and thermostat unit；
The temperature collecting cell is for acquiring bath temperature data；
The temperature transmission unit is used to bath temperature data being sent to the temperature treating units；
The temperature treating units are used to be compared with specified rate after bath temperature data progress average value processing；
The thermostat unit is used for when temperature treating units obtain bath temperature outside range of set value, is swashed by adjusting
The power of light device is adjusted in bath temperature to range of set value.
8. 3D process equipments as claimed in claim 7, which is characterized in that the laser is connect with digital regulation resistance, described
Thermostat unit adjusts the power of laser by adjusting the resistance value of digital regulation resistance, and then adjusts bath temperature.
9. 3D process equipments as claimed in claim 4, which is characterized in that be equipped with mobile crawl on the multiple spindle processing system
Unit, the laser head that the mobile placement unit is used to capture laser gain material cladding system carry out 3D on the print platform and beat
Print, the mobile placement unit, which is additionally operable to capture the machining unit, cuts 3D printing unit.
10. 3D process equipments as claimed in claim 4, which is characterized in that the print platform is two Shaft and NC Machining Test workbench, institute
Two Shaft and NC Machining Test workbench are stated for realizing rotating and swinging, X-axis motion, Y-axis fortune are additionally provided on the multiple spindle processing system
Motivation structure and Z axis motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140307.XA CN108372304B (en) | 2018-02-11 | 2018-02-11 | 3D processing method and 3D processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140307.XA CN108372304B (en) | 2018-02-11 | 2018-02-11 | 3D processing method and 3D processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108372304A true CN108372304A (en) | 2018-08-07 |
| CN108372304B CN108372304B (en) | 2020-09-29 |
Family
ID=63017693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810140307.XA Active CN108372304B (en) | 2018-02-11 | 2018-02-11 | 3D processing method and 3D processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108372304B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551179A (en) * | 2018-11-29 | 2019-04-02 | 南方科技大学 | A kind of metal parts manufacturing method and manufacture system |
| CN112985633A (en) * | 2021-01-25 | 2021-06-18 | 北京工业大学 | Online detection and regulation system for selective laser melting temperature |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335199A (en) * | 2004-05-26 | 2005-12-08 | Matsushita Electric Works Ltd | Method for recycling powder material in the manufacture of three-dimensional shape and powder material recycling device |
| CN102304712A (en) * | 2011-09-26 | 2012-01-04 | 苏州大学 | Laser cladding quick precision manufacturing method and device based on laser milling |
| CN103418985A (en) * | 2013-07-30 | 2013-12-04 | 华南理工大学 | Combination manufacturing method and device for injection mold with conformal cooling water path |
| CN103978684A (en) * | 2014-04-30 | 2014-08-13 | 中国科学院化学研究所 | High-molecular material 3D printing method capable of achieving temperature control |
| WO2015009448A1 (en) * | 2013-07-19 | 2015-01-22 | United Technologies Corporation | Additively manufactured core |
-
2018
- 2018-02-11 CN CN201810140307.XA patent/CN108372304B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335199A (en) * | 2004-05-26 | 2005-12-08 | Matsushita Electric Works Ltd | Method for recycling powder material in the manufacture of three-dimensional shape and powder material recycling device |
| CN102304712A (en) * | 2011-09-26 | 2012-01-04 | 苏州大学 | Laser cladding quick precision manufacturing method and device based on laser milling |
| WO2015009448A1 (en) * | 2013-07-19 | 2015-01-22 | United Technologies Corporation | Additively manufactured core |
| CN103418985A (en) * | 2013-07-30 | 2013-12-04 | 华南理工大学 | Combination manufacturing method and device for injection mold with conformal cooling water path |
| CN103978684A (en) * | 2014-04-30 | 2014-08-13 | 中国科学院化学研究所 | High-molecular material 3D printing method capable of achieving temperature control |
Non-Patent Citations (1)
| Title |
|---|
| 巩水利: "《先进激光加工技术》", 30 November 2016 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551179A (en) * | 2018-11-29 | 2019-04-02 | 南方科技大学 | A kind of metal parts manufacturing method and manufacture system |
| CN109551179B (en) * | 2018-11-29 | 2021-04-02 | 南方科技大学 | Method for manufacturing metal part |
| CN112985633A (en) * | 2021-01-25 | 2021-06-18 | 北京工业大学 | Online detection and regulation system for selective laser melting temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108372304B (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107999753B (en) | Synchronous feedback material increase and decrease cooperative manufacturing system and use method thereof | |
| WO2019000523A1 (en) | Method and device for rapidly forming component using combined arc fused deposition and laser impact forging | |
| CA2496810C (en) | Part-geometry independent real time closed loop weld pool temperature control system for multi-layer dmd process | |
| CN103074625B (en) | Movable laser cladding and repairing system | |
| US11110663B2 (en) | Polymer multi-material high-flexibility laser additive manufacturing system and method thereof | |
| CN109778182A (en) | A kind of laser melting coating increases material forming height on-Line Monitor Device and closed loop control method | |
| CN106881462A (en) | A kind of on-line checking for selective laser fusing forming defects and optimization system | |
| CN111037050B (en) | Visual sense-based GTA additive manufacturing system and control method | |
| CN206415882U (en) | A kind of increase and decrease material composite manufacture device of large format parts | |
| TWI494178B (en) | Forming process for the hot forming of a steel sheet of a wind power installation rotor blade to be produced | |
| CN111069748B (en) | Method and device for detecting and controlling arc rotation of hollow stud welding in real time | |
| CN108372304A (en) | A kind of 3D processing methods and 3D process equipments | |
| CN102172774B (en) | A kind of selective laser sintering scan method | |
| CN108489986A (en) | A kind of increasing material manufacturing on-line checking and restorative procedure | |
| CN111889596B (en) | Intelligent forging forming process of alloy difficult to deform | |
| CN106425288A (en) | Temperature cycle based additive, subtractive and equal integrated fusion manufacturing method | |
| CN109518180B (en) | Self-adaptive laser deposition repair device and method | |
| CN108247059A (en) | A kind of floor height control system and method for coaxial powder-feeding laser melting former | |
| CN116213932B (en) | Automatic production device for set top box and control method thereof | |
| CN113305301A (en) | Composite manufacturing equipment and method based on melting deposition and semi-solid stirring | |
| CN113649738A (en) | Irregular rotary cavity wall surfacing track obtaining method and full-automatic surfacing method thereof | |
| CN110027217B (en) | Active monitoring type laser 3D printing device and monitoring method | |
| CN110331395B (en) | Ultra-high-speed laser cladding equipment and method thereof | |
| US20220362857A1 (en) | Method and apparatus for fabrication of articles by molten and semi-molten deposition | |
| CN114346377A (en) | Arc additive manufacturing molten pool video monitoring and automatic compensation system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200727 Address after: 215000 No.188, Shihu West Road, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: Suzhou University Address before: 215000 Suzhou Lake Industrial Park, Xiangcheng Economic Development Zone, Jiangsu Applicant before: SUZHOU JIANG YUAN PRECISION MACHINERY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |