CN104475728A - Control method and controller for 3D (three-dimension) printing and scanning - Google Patents
Control method and controller for 3D (three-dimension) printing and scanning Download PDFInfo
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- CN104475728A CN104475728A CN201410773765.9A CN201410773765A CN104475728A CN 104475728 A CN104475728 A CN 104475728A CN 201410773765 A CN201410773765 A CN 201410773765A CN 104475728 A CN104475728 A CN 104475728A
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Abstract
The invention discloses a control method and a controller for 3D (three-dimension) printing and scanning. The method includes the following steps: according to the area overlapping of an upper printed or scanned layer and a lower printed or scanned layer in neighborhood, overlapped areas and a layer difference area are divided out, the overlapped area is first printed or scanned and the layer difference area is then printed or scanned in the same printed or scanned layer, and moreover, printing or scanning power is relatively decreased in the layer difference area, and is relatively increased in the overlapped area; the outlines of the overlapped areas are detected, the overlapped areas are divided into outline areas and filled areas, during operation, the outline areas are first printed or scanned once, the filled areas are printed or scanned once again, the outline areas are printed or scanned once again in the end, the outline of the layer difference layer is detected, the layer difference layer is also divided into an outline area and a filled area, during operation, the outline area is first printed or scanned once, the filled area is printed or scanned once again, and the outline area is printed or scanned once again in the end. The solution is structurally simple, and is easy to implement, and printing and scanning effects are good.
Description
[technical field]
The present invention relates to a kind of control method print scanned for 3D and control device.
[background technology]
Along with the development of 3D printing technique, the direct manufacturing technology of metal powder laser rapid shaping becomes the focus that everybody pays close attention to, and metal powder laser rapid shaping leaves height to everybody, greatly, on image, but at present circumstances, also have some shortcomings, different size, difform forming parts low precision, surface smoothness is bad, stress deformation is inconsistent, and even gross distortion causes collision paving powder scraper, and shaping failed problem, as shaping operation bone replacement, dentistry tooth-implant nails etc. are to precision, mechanical stress, fatigue resistance, deformation quantity all requires very high, and prior art is that every layer data inside and outside contour is carried out a kind of setting parameter, and internal fill area carries out another kind of setting parameter, and parameter comprises laser power, sweep speed, redirect speed, corner time delay, redirect time delay, open laser time delay and close laser time delay, so simple differentiation is compared more early stage has all had very much progress by a kind of parameter is shaping, and molding effect has very large lifting, but still can not meet the application demand of high request.
Therefore, be necessary to solve as above problem.
[summary of the invention]
Instant invention overcomes the deficiency of above-mentioned technology, provide a kind of print control unit printed for 3D, its structure is simple and easy to realize, print scanned effective.
For achieving the above object, present invention employs following technical proposal:
For the control method that 3D is print scanned, include following steps:
A, more neighbouring two prints the region overlapping cases of scanning slice, two-layer middle overstriking scanning area is divided into stacked district, overstriking scanning area will not be divided into Ceng Cha district, wherein, in same print scanned layer, first print scanned stacked district, more print scanned Ceng Cha district, and in Ceng Cha district, relatively reduce print scanned power, in stacked district, relatively improve print scanned power;
B, detect stacked district profile, stacked district is all divided into outline line district and these two kinds of regions of fill area, during work, first print scanned outline line district once, print scanned fill area once again, once, detection layers difference district profile, is also all divided into outline line district and these two kinds of regions of fill area by Ceng Cha district in last print scanned outline line district again, during work, first print scanned outline line district once, more print scanned fill area once, and finally print scanned outline line district is once again.
A kind of control method print scanned for 3D as above, as optimal enforcement mode, in step, during more neighbouring two printing scanning slice, between neighbouring two printing scanning slices, dimension difference is less than preset value, and these neighbouring two printing scanning slices are all divided into stacked district.
As above for the control method that 3D is print scanned, time print scanned in stepb, in fill area, relatively improve print scanned speed and power, in outline line district, relatively reduce print scanned speed and power.
A kind of control method print scanned for 3D as above, in stepb, each fill area is also comprised the steps: to be divided into outside fill area, central filler district and inner side fill area by interior outer fix, time print scanned, the print scanned speed of relative reduction in outside fill area with inner side fill area, relatively improves print scanned speed in central filler district.
A kind of control method print scanned for 3D as above, it is characterized in that in stepb, also comprise the steps: in same print scanned layer, equidistant line is adopted by each fill area to be divided into some row districts, wherein, time print scanned, by division result print scanned fill area line by line.
As above for the control method that 3D is print scanned, it is characterized in that being expert in the division in district, the direction of the equidistant line that neighbouring two printing scanning slices adopt is different.
For the control device that 3D is print scanned, include the print scanned controller of 3D and the print scanned head of 3D controlled by the print scanned controller of 3D respectively, for according to neighbouring two print the region overlapping cases of scanning slices mark off stacked district and Ceng Cha district stacked/floor difference Division module, the power model for control 3D print scanned print scanned power and the motion module for control 3D print scanned print scanned direction and speed.
As above for the control device that 3D is print scanned, characterized by further comprising control by the print scanned controller of 3D divide module for the profile/fill area stacked district being all divided into outline line district and these two kinds of regions of fill area and Ceng Cha district being also all divided into outline line district and these two kinds of regions of fill area.
As above for the control device that 3D is print scanned, characterized by further comprising by the print scanned controller of 3D control for by fill area all by interior outer fix be divided into outside fill area, central filler district and inner side fill area outer in fill area divide module.
As above for the control device that 3D is print scanned, characterized by further comprising by the print scanned controller of 3D control for fill area is all divided into some row districts by equidistant line so that the capable Division module of equidistant line print scanned line by line.
The invention has the beneficial effects as follows:
1, the region overlapping cases of more neighbouring two printing scanning slices, two-layer middle overstriking scanning area is divided into stacked district, overstriking scanning area will be divided into Ceng Cha district, wherein, in same print scanned layer, first print scanned stacked district, more print scanned Ceng Cha district, and relatively print scanned power is reduced in Ceng Cha district, relatively print scanned power is improved in stacked district, so, effectively can improve the density in stacked district, the Texturized amount in lower layer difference district.
2, detect stacked district profile, stacked district is all divided into outline line district and these two kinds of regions of fill area, during work, first print scanned outline line district once, print scanned fill area once again, last print scanned outline line district more once, detection layers difference district profile, Ceng Cha district is also all divided into outline line district and these two kinds of regions of fill area, during work, first print scanned outline line district once, print scanned fill area once again, last print scanned outline line district more once, so, the surface smoothness in the print scanned outline line district of 3D can be improved, the speed of contour accuracy and the print scanned fill area of raising.
3, during more neighbouring two printing scanning slice, between neighbouring two printing scanning slices, dimension difference is less than preset value, these neighbouring two printing scanning slices are all divided into stacked district, so, the upper and lower print scanned floor of gradual change all can be considered as stacked district, so that Region dividing and print scanned, increase work efficiency, and the region being conducive to the Ceng Cha district avoiding being divided into is too little and affect the generation of print scanned work.
4, in fill area, relatively improve print scanned speed and power, in outline line district, relatively reduce print scanned speed, so, the print scanned quality in outline line district can be improved, improve the print scanned speed at fill area.
5, each fill area is divided into outside fill area, central filler district and inner side fill area by interior outer fix, time print scanned, the print scanned speed of relative reduction in outside fill area with inner side fill area, relatively print scanned speed is improved in central filler district, so, be conducive to the density and the precision that improve fill area outside part further, be conducive to carrying out printing speed in large-area central filler district.
6, in same print scanned layer, equidistant line is adopted by each fill area to be divided into some row districts, so, the print scanned head of 3D can carry out print scanned line by line by division result to fill area, avoid large-area scanning, heat transfer is bad, and the serious tension force depression in mesozone occurs.
7, be expert in the division in district, the direction difference of the equidistant line that scanning slice adopts is printed adjacent two, so, change the print scanned direction to fill area in adjacent two printing scanning slices, every print scanned one deck can be made, on part energy linearity directional spreding change once, Energy distribution evenly.
[accompanying drawing explanation]
Fig. 1 is the Region dividing schematic diagram of control method of the present invention.
Fig. 2 is row Division schematic diagram in control method of the present invention, and wherein, in figure, dotted line is equidistant line.
Fig. 3 is the structured flowchart of control device of the present invention.
[detailed description of the invention]
Be described in further detail below in conjunction with accompanying drawing and embodiments of the present invention:
As shown in Figure 1, a kind of control method print scanned for 3D, is characterized in that including following steps:
A, more neighbouring two prints the region overlapping cases of scanning slice, two-layer middle overstriking scanning area is divided into stacked district, overstriking scanning area will not be divided into Ceng Cha district, wherein, in same print scanned layer, first print scanned stacked district, more print scanned Ceng Cha district, and in Ceng Cha district, relatively reduce print scanned power, in stacked district, relatively improve print scanned power;
B, detect stacked district profile, stacked district is all divided into outline line district and these two kinds of regions of fill area, during work, first print scanned outline line district once, print scanned fill area once again, once, detection layers difference district profile, is also all divided into outline line district and these two kinds of regions of fill area by Ceng Cha district in last print scanned outline line district again, during work, first print scanned outline line district once, more print scanned fill area once, and finally print scanned outline line district is once again.
As mentioned above, as optimal enforcement mode, in step, more neighbouring two when printing scanning slice, and when neighbouring two print dimension difference between scanning slices and are less than preset value, this neighbouring two prints scanning slices and be all divided into stacked district.So, the upper and lower print scanned floor of gradual change all can be considered as stacked district, so that Region dividing and print scanned, increase work efficiency, and the region being conducive to the Ceng Cha district avoiding being divided into is too little and affect the generation of print scanned work.
As mentioned above, as optimal enforcement mode, time print scanned in stepb, in fill area, relatively improve print scanned speed and power, in outline line district, relatively reduce print scanned speed and power.So, the print scanned quality in outline line district can be improved, improve the print scanned speed at fill area.
As mentioned above, as optimal enforcement mode, in stepb, each fill area is also comprised the steps: to be divided into outside fill area, central filler district and inner side fill area by interior outer fix, time print scanned, the print scanned speed of relative reduction in outside fill area with inner side fill area, relatively improves print scanned speed in central filler district.So, be conducive to the density and the precision that improve fill area outside part further, be conducive to carrying out printing speed in large-area central filler district.
As shown in Figure 2, as mentioned above, as optimal enforcement mode, in stepb, also comprise the steps: in same print scanned layer, in same print scanned layer, equidistant line is adopted by each fill area to be divided into some row districts, so, the print scanned head of 3D can carry out print scanned line by line by division result to fill area, avoids large-area scanning and causes the generation of the bad and serious tension force depression problem in mesozone of heat transfer.
As mentioned above, as optimal enforcement mode, be expert in the division in district, the direction of the equidistant line that neighbouring two printing scanning slices adopt is different.So, change adjacent two and print print scanned direction to fill area in scanning slices, can make every print scanned one deck, on part, energy linearity directional spreding changes once, Energy distribution evenly.
As mentioned above, in the floor two of this case Fig. 1 and Fig. 2, only illustrate the dividing mode in stacked district, due in its Ceng Cha district about the division of profile/fill area is identical with stacked Division mode with the division in equidistant Xian Hang district, therefore can omit.
As shown in Figure 3, this case also discloses a kind of control device print scanned for 3D, include the print scanned controller of 3D and the print scanned head of 3D controlled by the print scanned controller of 3D respectively, for according to neighbouring two print the region overlapping cases of scanning slices mark off stacked district and Ceng Cha district stacked/floor difference Division module, the power model for control 3D print scanned print scanned power and the motion module for control 3D print scanned print scanned direction and speed.
As above for the control device that 3D is print scanned, characterized by further comprising control by the print scanned controller of 3D divide module for the profile/fill area stacked district being all divided into outline line district and these two kinds of regions of fill area and Ceng Cha district being also all divided into outline line district and these two kinds of regions of fill area.
As above for the control device that 3D is print scanned, characterized by further comprising by the print scanned controller of 3D control for by fill area all by interior outer fix be divided into outside fill area, central filler district and inner side fill area outer in fill area divide module.
As mentioned above, what this case was protected is a kind of control method print scanned for 3D and control device, and all technical schemes identical or close with this case all should show the protection domain for falling into this case.
Claims (10)
1., for the control method that 3D is print scanned, it is characterized in that including following steps:
A, more neighbouring two prints the region overlapping cases of scanning slice, two-layer middle overstriking scanning area is divided into stacked district, overstriking scanning area will not be divided into Ceng Cha district, wherein, in same print scanned layer, first print scanned stacked district, more print scanned Ceng Cha district, and in Ceng Cha district, relatively reduce print scanned power, in stacked district, relatively improve print scanned power;
B, detect stacked district profile, stacked district is all divided into outline line district and these two kinds of regions of fill area, during work, first print scanned outline line district once, print scanned fill area once again, once, detection layers difference district profile, is also all divided into outline line district and these two kinds of regions of fill area by Ceng Cha district in last print scanned outline line district again, during work, first print scanned outline line district once, more print scanned fill area once, and finally print scanned outline line district is once again.
2. a kind of control method print scanned for 3D according to claim 1, it is characterized in that in step, during more neighbouring two printing scanning slice, between neighbouring two printing scanning slices, dimension difference is less than preset value, and these neighbouring two printing scanning slices are all divided into stacked district.
3. a kind of control method print scanned for 3D according to claim 1, when it is characterized in that print scanned in stepb, relatively improves print scanned speed and power, in outline line district, relatively reduces print scanned speed and power in fill area.
4. a kind of control method print scanned for 3D according to claim 1, it is characterized in that in stepb, each fill area is also comprised the steps: to be divided into outside fill area, central filler district and inner side fill area by interior outer fix, time print scanned, the print scanned speed of relative reduction in outside fill area with inner side fill area, relatively improves print scanned speed in central filler district.
5. a kind of control method print scanned for 3D according to claim 3 or 4, it is characterized in that in stepb, also comprise the steps: in same print scanned layer, equidistant line is adopted by each fill area to be divided into some row districts, wherein, time print scanned, by division result print scanned fill area line by line.
6. a kind of control method print scanned for 3D according to claim 5, is characterized in that being expert in the division in district, and the direction of the equidistant line that neighbouring two printing scanning slices adopt is different.
7. for the control device that 3D is print scanned, it is characterized in that including the print scanned controller of 3D and the print scanned head of 3D controlled by the print scanned controller of 3D respectively, mark off for the region overlapping cases printing scanning slices according to neighbouring two stacked district and Ceng Cha district stacked/floor difference Division module, the power model for control 3D print scanned print scanned power and the motion module for control 3D print scanned print scanned direction and speed.
8. a kind of control device print scanned for 3D according to claim 7, characterized by further comprising control by the print scanned controller of 3D divide module for the profile/fill area stacked district being all divided into outline line district and these two kinds of regions of fill area and Ceng Cha district being also all divided into outline line district and these two kinds of regions of fill area.
9. a kind of control device print scanned for 3D according to claim 8, characterized by further comprising by the print scanned controller of 3D control for by fill area all by interior outer fix be divided into outside fill area, central filler district and inner side fill area outer in fill area divide module.
10. a kind of control device print scanned for 3D according to claim 7-9 any one, characterized by further comprising by the print scanned controller of 3D control for fill area is all divided into some row districts by equidistant line so that the capable Division module of equidistant line print scanned line by line.
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Cited By (10)
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| CN105478767A (en) * | 2015-12-30 | 2016-04-13 | 广州瑞通激光科技有限公司 | Device and method for obtaining metal dental prosthesis through laser 3D printing |
| CN105635705A (en) * | 2015-12-30 | 2016-06-01 | 大族激光科技产业集团股份有限公司 | Enhanced digital-light-processing mask exposure rapid prototyping method and apparatus |
| CN105710370A (en) * | 2016-03-03 | 2016-06-29 | 西安铂力特激光成形技术有限公司 | Scanning method for layer-by-layer manufacture of three-dimensional object |
| CN106041079A (en) * | 2016-07-20 | 2016-10-26 | 北京隆源自动成型系统有限公司 | Selective laser melting forming operation method |
| CN108274732A (en) * | 2017-01-05 | 2018-07-13 | 三纬国际立体列印科技股份有限公司 | Method For Deleting Internal Color Information Of 3D Object |
| CN109177176A (en) * | 2018-09-30 | 2019-01-11 | 先临三维科技股份有限公司 | 3D printing method determines method, apparatus, equipment, medium and operating method |
| WO2019113949A1 (en) * | 2017-12-15 | 2019-06-20 | 吴江中瑞机电科技有限公司 | Laser scanning system and method for light curing |
| CN110465657A (en) * | 2018-05-09 | 2019-11-19 | 中国科学院金属研究所 | A kind of control shape deposition method of laser gain material manufacture steel alloy |
| CN112045996A (en) * | 2016-09-16 | 2020-12-08 | 通用电气公司 | Method and apparatus for additive manufacturing of thin-walled geometries |
| CN116833428A (en) * | 2023-08-31 | 2023-10-03 | 北京清研智束科技有限公司 | Scanning method and printing method for contour area and filling area in 3D printing |
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| CN108274732A (en) * | 2017-01-05 | 2018-07-13 | 三纬国际立体列印科技股份有限公司 | Method For Deleting Internal Color Information Of 3D Object |
| WO2019113949A1 (en) * | 2017-12-15 | 2019-06-20 | 吴江中瑞机电科技有限公司 | Laser scanning system and method for light curing |
| CN110465657A (en) * | 2018-05-09 | 2019-11-19 | 中国科学院金属研究所 | A kind of control shape deposition method of laser gain material manufacture steel alloy |
| CN110465657B (en) * | 2018-05-09 | 2021-07-23 | 中国科学院金属研究所 | Shape-controlled deposition method for laser additive manufacturing of alloy steel |
| CN109177176A (en) * | 2018-09-30 | 2019-01-11 | 先临三维科技股份有限公司 | 3D printing method determines method, apparatus, equipment, medium and operating method |
| CN116833428A (en) * | 2023-08-31 | 2023-10-03 | 北京清研智束科技有限公司 | Scanning method and printing method for contour area and filling area in 3D printing |
| CN116833428B (en) * | 2023-08-31 | 2023-11-28 | 北京清研智束科技有限公司 | Scanning method and printing method for contour area and filling area in 3D printing |
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Effective date of registration: 20170104 Address after: Torch Development Zone, Guangdong province Zhongshan 528400 Qi Min Road No. 8 building six layer A Applicant after: GUANGDONG HANBANG 3D TECHNOLOGY CO., LTD. Address before: 528400 Zhongshan Province Torch Development Zone, Guangdong Road, No. 6 Applicant before: Guangdong Hantang Quantum Photoelectric Technology Co., Ltd. |
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Denomination of invention: Control method and controller for 3D (three-dimension) printing and scanning Effective date of registration: 20191111 Granted publication date: 20170125 Pledgee: Bank of China Limited by Share Ltd Zhongshan branch Pledgor: GUANGDONG HANBANG 3D TECHNOLOGY CO., LTD. Registration number: Y2019440000191 |