CN106696277B - 3D printing method and 3D printing system - Google Patents
3D printing method and 3D printing system Download PDFInfo
- Publication number
- CN106696277B CN106696277B CN201611139827.6A CN201611139827A CN106696277B CN 106696277 B CN106696277 B CN 106696277B CN 201611139827 A CN201611139827 A CN 201611139827A CN 106696277 B CN106696277 B CN 106696277B
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- Prior art keywords
- model
- ratio
- parameter group
- tangent plane
- printing method
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Classifications
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- 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
-
- 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
Abstract
Present invention discloses a kind of 3D printing method and 3D printing systems to obtain a ratio according to the height of the base area of the model and the model, according to the ratio, corresponding parameter group is selected, according to the corresponding parameter group, the pedestal of the model is printed.Various models is printed, can guarantee that article and workbench have suitable degree of adhesion, it can guarantees that object does not collapse in print procedure, and object is made to be easy to remove from workbench.
Description
Technical field
The present invention relates to 3D printing technique fields, more particularly to a kind of 3D printing method and 3D printing system.
Background technique
It is at present fused glass pellet (FusedDeposition using a kind of more universal technique in 3D printer
Modeling, abbreviation FDM), it be it is a kind of not against laser as the molding energy and by various silk materials (such as engineering plastics ABS,
Polycarbonate etc.) heating is melted and then the method for accumulation molding.
In 3D printer, heating nozzle under control of the computer, according to the section profile information of product parts, makees X-
Y plane movement, thermoplasticity filamentary material is sent by silk supplying machine structure to hot melt spray head, and heats and be fused into semi liquid state in the showerhead,
Then it is extruded out, selectively coating on the table, forms one layer of certain thickness sheet profiles after rapid cooling.
The molding of one layer cross section completes aftertable and declines certain altitude, then carries out next layer of cladding, as " drawing " section from level to level
Profile so recycles, ultimately forms three-dimensional objects part.
During printer model, the object printed according to model must have certain degree of adhesion with workbench: such as
Fruit object and workbench bond loosely, and object is easy to collapse and printing is caused to fail in print procedure；If object and workbench
Bonding is excessively secured, then removing object after printing can be extremely difficult, or even is easily damaged printing device.
Summary of the invention
The object of the present invention is to provide a kind of 3D printing method and 3D printing systems, and various models is printed,
It can guarantee that article and workbench have suitable degree of adhesion, it can guarantee that object does not collapse in print procedure, and make object
Part is easy to remove from workbench.
In order to solve the above technical problems, a kind of 3D printing method, comprising:
One model is provided；
According to the height of the base area of the model and the model, a ratio is obtained；
According to the ratio, corresponding parameter group is selected, the parameter group includes an at least print parameters；And
According to the corresponding parameter group, the pedestal of the model is printed.
Further, in the 3D printing method, the 3D printing method further include:
The model is sliced, sets several layers tangent plane for the model.
Further, in the 3D printing method, the parameter group includes at least the lowest level tangent plane of the model
Print parameters.
Further, it in the 3D printing method, is characterized by the materials length of the lowest level tangent plane of the model
The base area of the model.
Further, in the 3D printing method, the print parameters of the parameter group include print speed, bottom plate
One or more of matter, temperature and load of unit time.
Further, in the 3D printing method, preset comparison list, the table of comparisons include the ratio with it is described
The corresponding relationship of parameter group selects corresponding parameter group by looking into the table of comparisons.
Another side according to the present invention also provides a kind of 3D printing system using 3D printing method described in any one as above
System, comprising:
Computing unit obtains a ratio according to the height of the base area of a model and the model；
Selecting unit selects corresponding parameter group according to the ratio；And
Control unit prints the pedestal of the model according to the corresponding parameter group.
Further, in the 3D printing system, the 3D printing system further includes slice unit, the slice unit
The model is sliced, sets several layers tangent plane for the model.
Further, in the 3D printing system, the slice unit also calculates the lowest level tangent plane of the model
Materials length, the ratio is characterized by the materials length of the lowest level tangent plane of the model, the computing unit according to
The materials length of the lowest level tangent plane of the model and the height of the model, obtain the ratio.
Further, in the 3D printing system, the 3D printing system further includes storage unit, the storage unit
It is stored with comparison list, the table of comparisons includes the base area and height than the corresponding relationship with the parameter group, selection
Unit selects corresponding parameter group by looking into the table of comparisons.
Compared with prior art, 3D printing method and 3D printing system provided by the invention have the advantage that
According to the height of the base area of the model and the model, a ratio is obtained, according to the ratio, selection
Corresponding parameter group prints the pedestal of the model according to the corresponding parameter group.Various models is beaten
Print can guarantee that article and workbench have suitable degree of adhesion, it can guarantees that object does not collapse in print procedure, and makes
Object is easy to remove from workbench.
Detailed description of the invention
Fig. 1 is the schematic diagram of 3D printing method in one embodiment of the invention；
Fig. 2 is the corresponding relationship of different models and ratio in one embodiment of the invention；
Fig. 3 is the corresponding relationship of different ratios and parameter group in one embodiment of the invention；
Fig. 4 is the schematic diagram of 3D printing system in one embodiment of the invention.
Description of symbols in figure:
1 is 3D printing system；110 be computing unit；120 be selecting unit；130 be control unit；140 is single for slice
Member；150 be storage unit.
Specific embodiment
In the prior art, often there is inappropriate situation in the degree of adhesion for printing object and workbench on the table,
Object collapses or prints and finishes object and be not easy to remove from workbench in print procedure, causes the damage of workbench.
Inventor is the study found that the print parameters of the pedestal of the model are very crucial.And when general printer model, the printing ginseng of pedestal
Number be it is fixed, can not adapt to miscellaneous model: the model base degree of adhesion having is just；Some model base adhesive strengths
Not enough support entire object (such as a seat height tower)；Model be then viscous sacrifices consisting of an ox, a sheep and a pig and (such as very thin great circle can not be removed
Cake).
Inventor furthers investigate discovery, and the base area of the model is different from the ratio of the height of the model, then institute
The print parameters of the pedestal needed are different, if according to the ratio of the base area of the model and the height of the model, choosing
The print parameters of pedestal are selected, then can be suitble to the model of arbitrary shape, it is ensured that object does not collapse in print procedure, and makes
Object is easy to remove from workbench.
According to the studies above, inventor proposes the present invention, and core of the invention thought is, provides a kind of 3D printing side
Method, as shown in Figure 1, comprising:
Step S11, a model is provided；
Step S12, according to the height of the base area of the model and the model, a ratio is obtained；
Step S13, according to the ratio, corresponding parameter group is selected, the parameter group includes an at least print parameters；
Step S14, according to the corresponding parameter group, the pedestal of the model is printed.
The 3D printing method prints various models, can guarantee that article and workbench have suitable bonding
Degree, it can guarantee that object does not collapse in print procedure, and object is made to be easy to remove from workbench.
In conjunction with above-mentioned core concept, the present invention also provides a kind of 3D printing systems, comprising: computing unit, according to a model
Base area and the model height, obtain a ratio；Selecting unit selects corresponding parameter according to the ratio
Group；Control unit prints the pedestal of the model according to the corresponding parameter group.
3D printing method of the invention and 3D printing system are described in more detail below in conjunction with schematic diagram,
In illustrate the preferred embodiment of the present invention, it should be appreciated that those skilled in the art can modify invention described herein, and
Still advantageous effects of the invention are realized.Therefore, following description should be understood as knowing extensively for those skilled in the art
Road, and it is not intended as limitation of the present invention.
For clarity, not describing whole features of practical embodiments.In the following description, it is not described in detail well known function
And structure, because they can make the present invention chaotic due to unnecessary details.It will be understood that opening in any practical embodiments
In hair, it is necessary to make a large amount of implementation details to realize the specific objective of developer, such as according to related system or related business
Limitation, changes into another embodiment by one embodiment.Additionally, it should think that this development may be complicated and expend
Time, but to those skilled in the art it is only routine work.
The present invention is more specifically described by way of example referring to attached drawing in the following passage.It is wanted according to following explanation and right
Book is sought, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and using non-
Accurately ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Below incorporated by reference to Fig. 1 to Fig. 3, the 3D printing method of one embodiment of the invention is illustrated.
Firstly, carrying out step S11, as shown in Figure 1, providing a model, the model is generally the 3D model modeled, such as schemes
Shown in 2, the model can be the shapes such as plate, cylindrical shape；
Then, it carries out step S12 and one ratio is obtained according to the height of the base area of the model and the model,
For example, the ratio can be the ratio of the model base area and the model height.Preferably, in the present embodiment,
The base area of the model is characterized, by the materials length of the lowest level tangent plane of the model to readily obtain ratio.
For example, base area S × unit area of model described in the materials length L=of the lowest level tangent plane of the model
Materials length 1 ', the materials length 1 ' of the unit area is generally fixed (relative to same materials), so, it is described
The materials length L of the lowest level tangent plane of model and the base area S of the model have one-to-one relationship therefore can
The base area S of the model is characterized with the materials length L by the lowest level tangent plane of the model, to avoid individually
The base area S of the model is calculated, difficulty in computation is simplified.In the present embodiment, the ratio=model lowest level
The height of model described in the materials length L ÷ of tangent plane.
With reference to Fig. 2, the ratio of a variety of models is given in the present embodiment, for example, the ratio of tabular molding (model
The ratio of the height of the materials length and model of lowest level tangent plane) it is 27.72；The ratio of cylindric model is 1.106；
The ratio of cylindrical model is 2.348；The ratio of round pie model is 14.10；The ratio of doll model is 0.01312；Cube
The ratio of body Model is 1.1063.992.
Later, carry out step S13, according to the ratio, select corresponding parameter group, the parameter group include at least a dozen
Print parameter.Preferably, comparison list can be preset, the table of comparisons includes the corresponding relationship of the ratio Yu the parameter group,
Corresponding parameter group is selected by looking into the table of comparisons.With reference to Fig. 3, in the present embodiment, the table of comparisons includes that 3 groups of controls are closed
System: the corresponding first parameter group ParaSet1 of the first range Range1 of ratio；Corresponding second ginseng of second range Range2 of ratio
Array ParaSet2；The third range Range3 of ratio corresponds to third parameter group ParaSet3.When the ratio is in the first range
When in Range1, the print parameters of the first parameter group ParaSet1 are selected；When the ratio is in the second range Range2, choosing
Select the print parameters of the second parameter group ParaSet2；When the ratio is in third range Range3, third parameter group is selected
The print parameters of ParaSet3.
Wherein, the print parameters of the parameter group include the load of print speed, bottom plate material, temperature and unit time
One or more of.For example, in the present embodiment, the print parameters include print speed, inventor studies discovery: beating
When printing a certain model, when print speed=2mm/s, adhesive force " strong ", pedestal adherency is secured；When print speed=4mm/s, attachment
Power " weaker ", but can just cement.
In the present embodiment, Range1 is (0,1), when (materials of the lowest level tangent plane of the model are long for the ratio
The ratio of degree and the height of the model) < 1 when, select the first parameter group ParaSet1, print speed=2mm/s；Range2
For [1,10), when 1≤ratio (ratio of the height of the materials length and model of the lowest level tangent plane of the model
Value) < 10 when, select the second parameter group ParaSet2, print speed=3mm/s；Range3 be [10, ∞), when the ratio
When (ratio of the height of the materials length and model of the lowest level tangent plane of the model) >=10, third parameter group is selected
ParaSet3, print speed=4mm/s.
Then, the model is sliced, sets several layers tangent plane for the model.
Then, step S14 is carried out to be printed the pedestal of the model according to the corresponding parameter group.In this reality
It applies in example, the parameter group includes at least the print parameters of the lowest level tangent plane of the model, i.e., using in the parameter value
Print parameters by the print parameters of the lowest level tangent plane of the model, the print parameters of non-lowest level tangent plane can with most
The print parameters of lower layer's tangent plane are different.
The present invention also provides a kind of 3D printing systems 1, as shown in figure 4, including computing unit 110, selecting unit 120 and control
Unit 130 processed.Import the model into the 3D printing system 1, the computing unit 110 is according to the seating plane of the model
The height of the long-pending and described model, obtains the ratio；The selecting unit 120 selects corresponding parameter according to the ratio
Group；Described control unit 130 prints the pedestal of the model according to the corresponding parameter group.
Preferably, the 3D printing system 1 further includes slice unit 140, the slice unit 140 carries out the model
Slice, sets several layers tangent plane for the model.
The slice unit 140 also calculates the materials length of the lowest level tangent plane of the model, passes through the model
The materials length of lowest level tangent plane characterizes the ratio, and the computing unit 110 is according to the lowest level tangent plane of the model
Materials length and the model height, obtain the ratio.The height of the model can also be single according to the slice
Member 140 is calculated, or is calculated by other computing modules.In addition, there may be described for the model imported
Be sliced unit 140 in, the computing unit 110 can be obtained from the slice unit 140 base area of the model with
And the height of the model；Or, the model imported may exist in other three-dimensional computations modules, it can be from others three
The parameter of the model base area and the parameter of the model height are obtained in dimension computing module, the model is calculated
After base area and the model height, it is then forwarded to the computing unit 110.
The 3D printing system further includes storage unit 150, and the storage unit 150 is stored with comparison list, described right
It include the base area and height than the corresponding relationship with the parameter group according to table, selecting unit is selected by looking into the table of comparisons
Select corresponding parameter group.
In 3D printing method of the invention and 3D printing system, according to the base area of the model and the model
Height, obtain a ratio, according to the ratio, select corresponding parameter group, according to the corresponding parameter group, by the mould
The pedestal of type prints.Various models is printed, can guarantee that article and workbench have suitable degree of adhesion
To guarantee that object does not collapse in print procedure, and object is made to be easy to remove from workbench.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of 3D printing method characterized by comprising
One model is provided；
According to the height of the base area of the model and the model, a ratio is obtained；
According to the ratio, corresponding parameter group is selected, the parameter group includes an at least print parameters, the print parameters packet
An at least print speed is included, and when the ratio is less than 1, is selected as the first print speed of 2mm/s, when the ratio is greater than
Or it is equal to 1 and when less than 10, it is selected as the second print speed of 3mm/s, when the ratio is greater than or equal to 10, is selected as
The third print speed of 4mm/s；And
According to the corresponding parameter group, the pedestal of the model is printed.
2. 3D printing method as described in claim 1, which is characterized in that the 3D printing method further include:
The model is sliced, sets several layers tangent plane for the model.
3. 3D printing method as claimed in claim 2, which is characterized in that the parameter group includes at least the most lower of the model
The print parameters of layer tangent plane.
4. 3D printing method as claimed in claim 2, which is characterized in that pass through the materials of the lowest level tangent plane of the model
Length characterizes the base area of the model.
5. 3D printing method as described in claim 1, which is characterized in that the print parameters of the parameter group include printing speed
One or more of degree, bottom plate material, temperature and the load of unit time.
6. 3D printing method as described in claim 1, which is characterized in that default comparison list, the table of comparisons include described
The corresponding relationship of ratio and the parameter group selects corresponding parameter group by looking into the table of comparisons.
7. a kind of 3D printing system using the 3D printing method as described in any one of claim 1 to 6, which is characterized in that
Include:
Computing unit obtains a ratio according to the height of the base area of a model and the model；
Selecting unit selects corresponding parameter group according to the ratio, and the parameter group includes an at least print parameters, institute
Stating print parameters includes an at least print speed, and when the ratio is less than 1, is selected as the first print speed of 2mm/s, when
The ratio is greater than or equal to 1 and when less than 10, the second print speed of 3mm/s is selected as, when the ratio is greater than or equal to
When 10, it is selected as the third print speed of 4mm/s；And
Control unit prints the pedestal of the model according to the corresponding parameter group.
8. 3D printing system as claimed in claim 7, which is characterized in that the 3D printing system further includes slice unit, institute
It states slice unit to be sliced the model, sets several layers tangent plane for the model.
9. 3D printing system as claimed in claim 8, which is characterized in that the slice unit also calculates the most lower of the model
The materials length of layer tangent plane characterizes the ratio, the calculating by the materials length of the lowest level tangent plane of the model
Unit obtains the ratio according to the materials length of the lowest level tangent plane of the model and the height of the model.
10. 3D printing system as claimed in claim 7, which is characterized in that the 3D printing system further includes storage unit, institute
State storage unit and be stored with comparison list, the table of comparisons include the base area with height than corresponding with the parameter group
Relationship, selecting unit select corresponding parameter group by looking into the table of comparisons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611139827.6A CN106696277B (en) | 2016-12-12 | 2016-12-12 | 3D printing method and 3D printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139827.6A CN106696277B (en) | 2016-12-12 | 2016-12-12 | 3D printing method and 3D printing system |
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| CN106696277A CN106696277A (en) | 2017-05-24 |
| CN106696277B true CN106696277B (en) | 2019-05-07 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421255B (en) | 2017-08-31 | 2020-12-15 | 三纬国际立体列印科技股份有限公司 | 3D printing method using reinforced auxiliary wall |
| TWI695774B (en) * | 2017-08-31 | 2020-06-11 | 三緯國際立體列印科技股份有限公司 | 3d printing method using strengthened auxiliary wall |
| CN108127913B (en) * | 2017-12-22 | 2019-08-16 | 珠海天威飞马打印耗材有限公司 | Intelligent 3D printing system and its Method of printing |
| DE202022103161U1 (en) | 2022-06-03 | 2022-06-10 | Renfert Gmbh | Dental printing system with a 3D printing device exclusively for printing dental devices |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0571994A (en) * | 1991-09-10 | 1993-03-23 | Sekisui Chem Co Ltd | Manufacture of stereoscopic image display device |
| US6259962B1 (en) * | 1999-03-01 | 2001-07-10 | Objet Geometries Ltd. | Apparatus and method for three dimensional model printing |
| CN104626585B (en) * | 2015-01-27 | 2017-11-17 | 清华大学 | A kind of plane dividing method and device for SLA3D printers |
| KR20160100721A (en) * | 2015-02-16 | 2016-08-24 | 한국전자통신연구원 | Method and apparatus for outputting model which is beyond output range |
| CN104802412B (en) * | 2015-05-15 | 2017-03-29 | 英华达（上海）科技有限公司 | The column printing method and device of three-dimensional printing machine |
| CN105159626A (en) * | 2015-08-21 | 2015-12-16 | 深圳马顿科技有限公司 | 3D printing method and system |
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