CN105328901A - 3D printing method and device and 3D printer - Google Patents
3D printing method and device and 3D printer Download PDFInfo
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- CN105328901A CN105328901A CN201410371635.2A CN201410371635A CN105328901A CN 105328901 A CN105328901 A CN 105328901A CN 201410371635 A CN201410371635 A CN 201410371635A CN 105328901 A CN105328901 A CN 105328901A
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Abstract
The invention provides a 3D printing method and device and a 3D printer. The 3D printing method includes the steps of dividing the edge and the inside of a 3D printing object model; determining the printing layer thickness; printing the preset layer number of the edge layer by layer according to the layer thickness; and combining the printed preset layer number into one layer and then printing the inside. By means of the 3D printing method and device and the 3D printer, the problem in the related technologies that the 3D printing technology cannot achieve accuracy and speed at the same time is solved, and the effect of achieving the accuracy and speed at the same time is realized.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of 3D Method of printing, device and 3D printer.
Background technology
The one of 3D printing and rapid shaping technique, it is a kind of based on mathematical model file, uses powdery metal or plastics etc. can jointing material, is carried out the technology of constructed object by the mode successively printed.This technology is at jewelry, footwear, industrial design, building, engineering and construction (AEC), automobile, and Aero-Space, dentistry and medical industries, education, GIS-Geographic Information System, civil engineering, gun and other field are applied all to some extent.
Current 3D printing technique has several techniques such as stereolithography apparatus method (SLA), selective laser sintering (SLS), layer separated growth (LOM), fused deposition modeling (FDM).The material melt extruding shaping (FDM) technique is generally thermoplastic, as wax, ABS, PC, nylon etc., with thread feed.Material in shower nozzle by heat fused.Shower nozzle is along part section profile and fill orbiting motion, is extruded by the material of fusing, material rapid solidification simultaneously, and with the material binding of surrounding.Each synusia piles up to form on last layer, the effect that last layer plays location to current layer and supports.Along with the increase of height, the area of synusia profile and shape all can change, when shape has greatly changed, upper strata profile just can not provide location and supporting role fully to current layer, this just needs to design some supplementary structures-" support ", there is provided location to succeeding layer and support, to ensure the smooth realization of forming process.
Current FDM technique many employings filamentary material, this material enters after in heat block can be changing into semi-liquid stage, after shower nozzle wire vent, temperature reduces, and becomes thick, at this moment will be extruded into different thicknesses according to the different materials of extruded velocity and printhead translational speed.When extruded velocity is certain, the faster material of printhead translational speed can be thinner by what draw, and the object printed like this is meticulousr.The every one deck of present system all adopts a kind of thickness, and namely in print procedure, extruded velocity is the same with the ratio of printhead translational speed, has a strong impact on print speed like this; If but simple increase the object precision that thickness prints and cannot be guaranteed again, cause the situation about cannot take into account of printing precision (thickness) and speed.
Therefore, 3D printing technique cannot take into account the problem of precision and speed in the related.
Summary of the invention
The invention provides a kind of 3D Method of printing, device and 3D printer, the problem of precision and speed cannot be taken into account at least to solve 3D printing technique in correlation technique.
According to an aspect of the present invention, provide a kind of 3D Method of printing, comprising: divide the edge of 3D print object object model with inner; Determine the thickness printed; The predetermined number of layers at described edge is successively printed with described thickness; The described predetermined number of layers printed is merged into one deck and prints described inside.
Preferably, the described edge and the described inside that divide described 3D print object object model comprise: determine that the outside predetermined ratio of cross section of described 3D print object object model is the described edge of described 3D print object object model; And/or, determine that the inside preset distance of cross-sectional edge of described 3D print object object model is the described edge of described 3D print object object model.
Preferably, adopting the predetermined number of layers successively printing described edge with described thickness, and before the described predetermined number of layers printed being merged into edge and house print mode that one deck prints described inside, also comprise: described edge is divided into predetermined group number in units of described predetermined number of layers; According to described predetermined group of number, adopt edge described in described edge and house print mode duplicate printing and described inside until complete 3D print object object.
Preferably, described thickness is 0.1 ~ 0.3mm.
Preferably, described predetermined number of layers is 10 ~ 30 layers.
According to a further aspect in the invention, provide a kind of 3D printing equipment, comprising: first divides module, for dividing the edge of 3D print object object model with inner; Determination module, for determining the thickness printed; First print module, for successively printing the predetermined number of layers at described edge with described thickness; Second print module, prints described inside for the described predetermined number of layers printed is merged into one deck.
Preferably, described first divides module comprises: the first determining unit, for determining that the outside predetermined ratio of cross section of described 3D print object object model is the described edge of described 3D print object object model; And/or the second determining unit, for determining that the inside preset distance of cross-sectional edge of described 3D print object object model is the described edge of described 3D print object object model.
Preferably, this device also comprises: second divides module, for described edge being divided into predetermined group number in units of described predetermined number of layers; Described first print module and described second print module, also for according to described predetermined group of number, adopt edge described in described edge and house print mode duplicate printing and described inside until complete 3D print object object.
Preferably, described thickness is 0.1 ~ 0.3mm, or described predetermined number of layers is 10 ~ 30 layers.
In accordance with a further aspect of the present invention, provide a kind of 3D printer, comprise the device described in above-mentioned any one.
By the present invention, adopt the edge dividing 3D print object object model with inner; Determine the thickness printed; The predetermined number of layers at described edge is successively printed with described thickness; The described predetermined number of layers printed is merged into one deck and prints described inside, solve 3D printing technique in correlation technique and cannot take into account the problem of precision and speed, and then reach the effect that precision and speed takes into account simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the 3D Method of printing according to the embodiment of the present invention;
Fig. 2 is the structured flowchart of the 3D printing equipment according to the embodiment of the present invention;
Fig. 3 is the preferred structure block diagram of the first division module 22 in the 3D printing equipment according to the embodiment of the present invention;
Fig. 4 is the preferred structure block diagram of the 3D printing equipment according to the embodiment of the present invention;
Fig. 5 is the structured flowchart of the 3D printer according to the embodiment of the present invention;
Fig. 6 is according to the preferred embodiment of the present invention based on the Method of printing flow chart of rapidform machine printing path planning.
Detailed description of the invention
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Provide a kind of 3D Method of printing in the present embodiment, Fig. 1 is the flow chart of the 3D Method of printing according to the embodiment of the present invention, and as shown in Figure 1, this flow process comprises the steps:
Step S102, divides the edge of 3D print object object model with inner;
Step S104, determine the thickness printed, wherein, this thickness can be determined according to demand, and such as, can set this thickness is 0.1 ~ 0.3mm;
Step S106, successively prints the predetermined number of layers at edge, it should be noted that with thickness, this predetermined number of layers also can set according to concrete operations condition, and such as, this predetermined number of layers can be set as 10 ~ 30 layers;
Step S108, merges into one deck and prints inner by the predetermined number of layers printed.
Pass through above-mentioned steps, 3D print object object model is divided into edge with inner, edge and inside print respectively, and edge adopts and successively prints, and can realize the precision printed, the inner predetermined number of layers that merges prints, improve the speed printed, relative in correlation technique every layer all according to the printing of identical thickness, the problem that precision and speed are taken into account can not be met, by adopting above-mentioned process, effectively reach the effect that precision and speed are taken into account simultaneously.
Divide the edge of 3D print object object model with time inner, shape and structure according to concrete object is different, different process can be adopted, such as, can the mode of adoption rate determine, such as, determine that the outside predetermined ratio of cross section of 3D print object object model is the edge of 3D print object object model, this predetermined ratio also can require according to concrete object and determine, such as, this ratio setting can be lower by the object high for required precision, and it is lower a little for required precision, and when requiring that speed is higher, can this predetermined ratio be arranged higher, again such as, directly can adopt the mode of preset distance, namely determine that the inside preset distance of cross-sectional edge of 3D print object object model is the edge of 3D print object object model.Such as, the inside distance that can arrange distance edge then thinks edge when being 3mm, is remainingly inside.
Adopt the predetermined number of layers successively printing edge with thickness, and before the predetermined number of layers printed being merged into the inner edge of one deck printing and house print mode, edge can also be divided into predetermined group number in units of predetermined number of layers; According to predetermined group number, adopt edge and house print mode duplicate printing edge with inner until complete 3D print object object.Namely multiple identical step can be divided to complete to the print procedure of whole target object.
Additionally provide a kind of 3D printing equipment in the present embodiment, this device is used for realizing above-described embodiment and preferred embodiment, has carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.
Fig. 2 is the structured flowchart of the 3D printing equipment according to the embodiment of the present invention, and as shown in Figure 2, this device comprises the first division module 22, determination module 24, first print module 26 and the second print module 28, is described below to this device.
First divides module 22, for dividing the edge of 3D print object object model with inner; Determination module 24, for determining the thickness printed; First print module 26, is connected to above-mentioned first and divides module 22 and determination module 24, for successively printing the predetermined number of layers at edge with thickness; Second print module 28, is connected to above-mentioned first print module 26, prints inner for the predetermined number of layers printed being merged into one deck.
Fig. 3 is the preferred structure block diagram of the first division module 22 in the 3D printing equipment according to the embodiment of the present invention, as shown in Figure 3, this the first division module 22 comprises the first determining unit 32 and/or the second determining unit 34, is described below to this first division module 22.
First determining unit 32, for determining that the outside predetermined ratio of cross section of 3D print object object model is the edge of 3D print object object model; Second determining unit 34, for determining that the inside preset distance of cross-sectional edge of 3D print object object model is the edge of 3D print object object model.
Fig. 4 is the preferred structure block diagram of the 3D printing equipment according to the embodiment of the present invention, and as shown in Figure 4, this device, except comprising all modules shown in Fig. 2, also comprises the second division module 42, is described below to this second division module 42.
Second divides module 42, is connected to above-mentioned determination module 24, first print module 26, for edge being divided into predetermined group number in units of predetermined number of layers; Above-mentioned first print module 26 and the second print module 28, also for according to predetermined group number, adopts edge and house print mode duplicate printing edge with inner until complete 3D print object object.
Wherein, above-mentioned thickness can be 0.1 ~ 0.3mm, and above-mentioned predetermined number of layers is 10 ~ 30 layers.
Fig. 5 is the structured flowchart of the 3D printer according to the embodiment of the present invention, and as shown in Figure 5, this 3D printer 50 comprises the 3D printing equipment 52 of above-mentioned any one.
For in correlation technique, rapidform machine paths planning method adopts the planning strategy that object boundary is identical with inside, and print speed cannot effectively improve.Give also some solutions in the related, such as, adopt based on certain regular thick scheme of change layer, namely the variable thickness of every one deck is surely consistent, can improve speed like this, but process cannot ensure the precision of printing like this.Namely the printing strategy that every layer of edge is identical with inside is adopted in the related, namely the process that thickness is identical, with precision throw-over degree, or speed changes precision, and adopts every one deck to adopt self adaptation thickness, there is no again the planning of interlayer, for the problems referred to above in correlation technique, in the present embodiment, a kind of rapidform machine printing path planing method is provided, by the method, under the prerequisite not affecting printing precision, effectively print speed can be improved.
Fig. 6 is that as shown in Figure 6, this flow process comprises the steps: according to the preferred embodiment of the present invention based on the Method of printing flow chart of rapidform machine printing path planning
Step S602, object model is carried out cutting according to certain thickness by the demand according to user, and such as, often thick is from level to level xmm;
Step S604, does not process submarginal for every one deck part, merging in units of N for inside, and namely the inside of every N layer merges becomes one deck;
Step S606, in print procedure in units of N, first prints 0 ~ N-1 layer edge, then prints n-th layer edge, and the interior layer of this N layer correspondence;
Step S608, repeats the 3rd step until print complete.
By said method, adopt less thickness to improve precision at object edge, adopt larger thickness pick up speed at interior of articles, first successively print the thick edge of smaller layers, then print the thick inside of larger layers, so circulate.Not only under the prerequisite not reducing precision, improve speed; And have contact between layers, be no longer that every one deck processes separately, achieve taking into account of precision and speed.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a 3D Method of printing, is characterized in that, comprising:
Divide the edge of 3D print object object model with inner;
Determine the thickness printed;
The predetermined number of layers at described edge is successively printed with described thickness;
The described predetermined number of layers printed is merged into one deck and prints described inside.
2. method according to claim 1, is characterized in that, the described edge and the described inside that divide described 3D print object object model comprise:
Determine that the outside predetermined ratio of cross section of described 3D print object object model is the described edge of described 3D print object object model; And/or,
Determine that the inside preset distance of cross-sectional edge of described 3D print object object model is the described edge of described 3D print object object model.
3. method according to claim 1, it is characterized in that, adopting the predetermined number of layers successively printing described edge with described thickness, and before the described predetermined number of layers printed being merged into edge and house print mode that one deck prints described inside, also comprising:
Described edge is divided into predetermined group number in units of described predetermined number of layers;
According to described predetermined group of number, adopt edge described in described edge and house print mode duplicate printing and described inside until complete 3D print object object.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described thickness is 0.1 ~ 0.3mm.
5. according to the method in any one of claims 1 to 3, it is characterized in that, described predetermined number of layers is 10 ~ 30 layers.
6. a 3D printing equipment, is characterized in that, comprising:
First divides module, for dividing the edge of 3D print object object model with inner;
Determination module, for determining the thickness printed;
First print module, for successively printing the predetermined number of layers at described edge with described thickness;
Second print module, prints described inside for the described predetermined number of layers printed is merged into one deck.
7. device according to claim 6, is characterized in that, described first divides module comprises:
First determining unit, for determining that the outside predetermined ratio of cross section of described 3D print object object model is the described edge of described 3D print object object model; And/or,
Second determining unit, for determining that the inside preset distance of cross-sectional edge of described 3D print object object model is the described edge of described 3D print object object model.
8. device according to claim 6, is characterized in that, also comprises:
Second divides module, for described edge being divided into predetermined group number in units of described predetermined number of layers;
Described first print module and described second print module, also for according to described predetermined group of number, adopt edge described in described edge and house print mode duplicate printing and described inside until complete 3D print object object.
9. the device according to any one of claim 6 to 8, is characterized in that, described thickness is 0.1 ~ 0.3mm, or described predetermined number of layers is 10 ~ 30 layers.
10. a 3D printer, is characterized in that, comprises the device according to any one of claim 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410371635.2A CN105328901A (en) | 2014-07-30 | 2014-07-30 | 3D printing method and device and 3D printer |
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| CN201410371635.2A CN105328901A (en) | 2014-07-30 | 2014-07-30 | 3D printing method and device and 3D printer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751512A (en) * | 2016-04-20 | 2016-07-13 | 深圳市洛众科技有限公司 | Multi-nozzle high-speed 3D printing apparatus and printing method thereof |
| CN106863798A (en) * | 2017-02-16 | 2017-06-20 | 浙江大学 | A kind of 3D printing shower nozzle |
| CN109500394A (en) * | 2018-10-16 | 2019-03-22 | 西安赛隆金属材料有限责任公司 | A method of promoting 3D printing efficiency |
| CN110087884A (en) * | 2016-12-21 | 2019-08-02 | Sika技术股份公司 | Formed body is prepared from curable materials production |
| CN113306151A (en) * | 2021-06-09 | 2021-08-27 | 深圳市汉森软件有限公司 | 3D printing layering processing method, device and equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6833234B1 (en) * | 2000-08-04 | 2004-12-21 | Massachusetts Institute Of Technology | Stereolithographic patterning with variable size exposure areas |
| CN1852803A (en) * | 2003-07-15 | 2006-10-25 | 惠普开发有限公司 | A method and a system for producing an object using solid freeform fabrication |
| CN101204851A (en) * | 2006-12-22 | 2008-06-25 | 索尼株式会社 | Optical modeling apparatus |
| CN103802316A (en) * | 2014-02-14 | 2014-05-21 | 青岛尚慧信息技术有限公司 | Preparation method of stereostructure |
| CN104057718A (en) * | 2013-02-27 | 2014-09-24 | 熙尔科技有限公司 | Print head assembly for three-dimensional printer |
-
2014
- 2014-07-30 CN CN201410371635.2A patent/CN105328901A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6833234B1 (en) * | 2000-08-04 | 2004-12-21 | Massachusetts Institute Of Technology | Stereolithographic patterning with variable size exposure areas |
| CN1852803A (en) * | 2003-07-15 | 2006-10-25 | 惠普开发有限公司 | A method and a system for producing an object using solid freeform fabrication |
| CN101204851A (en) * | 2006-12-22 | 2008-06-25 | 索尼株式会社 | Optical modeling apparatus |
| CN104057718A (en) * | 2013-02-27 | 2014-09-24 | 熙尔科技有限公司 | Print head assembly for three-dimensional printer |
| CN103802316A (en) * | 2014-02-14 | 2014-05-21 | 青岛尚慧信息技术有限公司 | Preparation method of stereostructure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751512A (en) * | 2016-04-20 | 2016-07-13 | 深圳市洛众科技有限公司 | Multi-nozzle high-speed 3D printing apparatus and printing method thereof |
| CN110087884A (en) * | 2016-12-21 | 2019-08-02 | Sika技术股份公司 | Formed body is prepared from curable materials production |
| CN110087884B (en) * | 2016-12-21 | 2021-08-06 | Sika技术股份公司 | Production of shaped bodies from curable materials |
| CN106863798A (en) * | 2017-02-16 | 2017-06-20 | 浙江大学 | A kind of 3D printing shower nozzle |
| CN106863798B (en) * | 2017-02-16 | 2019-03-01 | 浙江大学 | A kind of 3D printing spray head |
| CN109500394A (en) * | 2018-10-16 | 2019-03-22 | 西安赛隆金属材料有限责任公司 | A method of promoting 3D printing efficiency |
| CN113306151A (en) * | 2021-06-09 | 2021-08-27 | 深圳市汉森软件有限公司 | 3D printing layering processing method, device and equipment and storage medium |
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Application publication date: 20160217 |