CN109049678A - For mitigating the design method of 3D printing mold weight - Google Patents
For mitigating the design method of 3D printing mold weight Download PDFInfo
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- CN109049678A CN109049678A CN201810951086.4A CN201810951086A CN109049678A CN 109049678 A CN109049678 A CN 109049678A CN 201810951086 A CN201810951086 A CN 201810951086A CN 109049678 A CN109049678 A CN 109049678A
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- printing mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The present invention relates to a kind of for mitigating the design method of 3D printing mold weight.Method includes the following steps: requiring design 3D printing mold according to casting technique, and export the printing digital-to-analogue of 3D printing mold；3D printing mold after modeling is carried out to take out shell processing；Grid filling is carried out to the 3D printing mold after taking out shell using slice program；Layering filling is carried out to 3D printing mold using reduction formula grid.The design method for mitigating 3D printing mold weight can guarantee mold use intensity, and 3D printing mold weight is effectively reduced, in favor of operations such as mold is carried, overturnings.
Description
Technical field
The present invention relates to technology of die manufacturing fields, more particularly to a kind of for mitigating the design of 3D printing mold weight
Method.
Background technique
Mold, referred to as " mother of industry ", the quality of mold determine the good and the bad of shaped article, in addition evaluate the product of mold
There are also operability for matter, and the requirement for mold weight will be accomplished to be easy to move or overturn.And in the prior art, wooden model mold
Using frame structure, not only material-saving loss of weight and easily operated, however wooden model surface flatness is inferior to 3D printing mold, additionally, due to
The 3D printing Mold Making period is short, therefore 3D printing mold is widely used.And due to the limitation of 3D printing product forming technique
Property, therefore mould structure design weight loss effect is not apparent.In particular, for the 3D printing skill of FDM type in the prior art
Art, since FDM mold printing type is mostly inner mesh filling mode, and the setting of grid the filling distance is consistent, wherein in order to protect
Under the premise of demonstrate,proving FDM die quality, grid fills spacing cannot be too big, will lead to the increase of FDM mold weight in this way, causes FDM
Mold is carried in use, turning operation is more difficult.
Summary of the invention
Based on this, it is necessary to be limited to printing type for 3D printing mold in the prior art, and cause its weight larger
The problem of, mold use intensity can be guaranteed by providing one kind, and 3D printing mold weight is effectively reduced, in favor of mold carry,
The design method for being used to mitigate 3D printing mold weight of overturning.
It is a kind of for mitigating the design method of 3D printing mold weight, comprising the following steps: according to casting technique require set
3D printing mold is counted, and exports the printing digital-to-analogue of 3D printing mold；3D printing mold after modeling is carried out to take out shell processing；It utilizes
It is sliced program and grid filling is carried out to the 3D printing mold after taking out shell；Layering is carried out to 3D printing mold using reduction formula grid to fill out
It fills.
Fillet processing is carried out to taking out shell treated 3D printing mold in one of the embodiments,.
It is further comprising the steps of in the fillet processing step in one of the embodiments: shell treated 3D will be taken out
The right-angle structure of print die designs sloping or circular arc.
In one of the embodiments, when the step distance on the slope is less than or equal to 50mm, to the slope
Step carries out draft processing, by the slope design on the slope at 30 degree.
In one of the embodiments, when the step height on the slope is less than or equal to 30mm, to the slope
Step carries out circular arc processing, and the slope is designed to that radius is the circular arc of 30mm.
The 3D printing mold includes FDM pattern tool in one of the embodiments,.
It includes as follows that the 3D printing mold after described pair of modeling, which take out in shell processing step, in one of the embodiments,
Step: the pumping shell wall thickness of default 3D printing mold is 12mm ~ 18mm.
In one of the embodiments, in described the step of carrying out layering filling to 3D printing mold using reduction formula grid
Include the following steps: the 3D printing mold file that STL format is imported using Slice Software；To the 3D printing mold of STL format according to
Secondary progress substrate grid filling and the filling of top grid.
In one of the embodiments, when the size of 3D printing mold is less than or equal to 200mm, substrate web compartment is away from setting
It is set to 40mm, otherwise, by substrate web compartment away from being set as 120mm.
In one of the embodiments, when the size of 3D printing mold is greater than 200mm, top net compartment is away from being set as
40mm, and top reticulate layer is set.
The above-mentioned design method for being used to mitigate 3D printing mold weight, by carrying out pumping shell to the 3D printing mold after modeling
Processing, and layering filling is further carried out to 3D printing mold using reduction formula grid, guaranteeing 3D printing mould to be able to achieve
It while having stability, can effectively mitigate the weight of 3D printing mold, then significantly reduce the print time, shorten entire molding life
The period is produced, the operation such as the use cost of 3D printing mold is effectively reduced, and is easy to be carried or overturn, to promote 3D printing
The use operating characteristics of mold.
Detailed description of the invention
Fig. 1 is in an embodiment for mitigating the flow chart of the design method of 3D printing mold weight.
Fig. 2 is the inner mesh distributed architecture figure of 3D printing mold in an embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
In one embodiment, a kind of for mitigating the design method of 3D printing mold weight, comprising the following steps: according to
Casting technique requires design 3D printing mold, and exports the printing digital-to-analogue of 3D printing mold；To the 3D printing mold after modeling into
Row takes out shell processing；Grid filling is carried out to the 3D printing mold after taking out shell using slice program；3D is beaten using reduction formula grid
Stamp tool carries out layering filling.
The above-mentioned design method for being used to mitigate 3D printing mold weight, by carrying out pumping shell to the 3D printing mold after modeling
Processing, and layering filling is further carried out to 3D printing mold using reduction formula grid, guaranteeing 3D printing mould to be able to achieve
It while having stability, can effectively mitigate the weight of 3D printing mold, then significantly reduce the print time, shorten entire molding life
The period is produced, the operation such as the use cost of 3D printing mold is effectively reduced, and is easy to be carried or overturn, to promote 3D printing
The use operating characteristics of mold.
The design method for mitigating 3D printing mold weight is illustrated combined with specific embodiments below, with into
One step understands described for mitigating the inventive concept of the design method of 3D printing mold weight.
Fig. 1 and Fig. 2 are please referred to, it is a kind of for mitigating the design method of 3D printing mold weight, comprising the following steps:
S110: design 3D printing mold is required according to casting technique, and exports the printing digital-to-analogue of 3D printing mold；
In one embodiment, using the stereoscopic three-dimensional figure of 3D printing mold described in three-dimensional picture software design；For example, using
The stereoscopic three-dimensional figure of the Software on Drawing 3D printing mold such as UG or Solid Works.Due to using the relief painting in above-described embodiment
Figure software can export all simulation parameters of the stereoscopic three-dimensional figure of the 3D printing mold, in this way in use slice program to 3D
The perspective view of print die carries out slicing treatment according to the simulation parameters of output, so that printer executes successively according to slicing parameter
Printing ultimately forms required 3D printing mold.
S120: the 3D printing mold after modeling is carried out to take out shell processing；
In order to mitigate the overall weight of 3D printing mold, need to carry out 3D printing mold to take out shell processing, specific design procedure exists
It is executed in pumping shell order in three-dimensional drawing software.In order to guarantee to take out the use intensity of the 3D printing mold after shell, wherein one
In embodiment, the 3D printing mold after described pair of modeling, which take out in shell processing step, includes the following steps: default 3D printing mould
The pumping shell wall thickness of tool is 12mm ~ 18mm；Further, the pumping shell wall thickness for presetting 3D printing mold is 15mm ~ 17mm；Preferably,
The pumping shell wall thickness of default 3D printing mold is 16mm.
In order to avoid the appearance of 3D printing mold printing collapse defect, guarantee the integrity degree of mold, wherein an embodiment
In, fillet processing is carried out to shell treated 3D printing mold is taken out.It specifically, further include following step in the fillet processing step
It is rapid: the right-angle structure for taking out shell treated 3D printing mold is designed into sloping or circular arc.I.e. to the right angle knot of 3D printing mold
Structure part carries out transition processing, and the appearance of printing collapse defect is avoided with this, guarantees the integrity degree of mold.It can guarantee mould in this way
The use intensity of tool, and mold weight can be effectively reduced, reach weight loss effect, and easily operated.
Further, when the step distance on the slope is less than or equal to 50mm, draft is carried out to the step on the slope
Processing, by the slope design on the slope at 30 degree.For example, when the step distance on the slope is less than or equal to 40mm, by institute
The slope design on slope is stated into 30 degree.Wherein draft processing carries tool using stereoscopic three-dimensional software and executes, and concrete operations are herein
It repeats no more.In this way by the way that ramp angles are optimized processing, 3D printing mold can be further avoided and occur collapsing problem.
Further, when the step height on the slope is less than or equal to 30mm, the step on the slope is justified
The slope is designed to that radius is the circular arc of 30mm by arc processing.For example, the step distance when the slope is less than or equal to 20mm
When, the slope is designed to that radius is the circular arc of 30mm.At this time since the step distance on slope is smaller, by by the platform on slope
Rank carries out designed arc-shaped appearance, to effectively avoid 3D printing mold from occurring collapsing problem while can realizing right-angle structure.Its
In, circular arc processing can be used directly the circular arc handling implement in 3 D stereo software and execute.
S130: grid filling is carried out to the 3D printing mold after taking out shell using slice program；
That is, filling the 3D printing mold after taking out shell using grid, it can guarantee the structural stability of 3D printing mold in this way, specifically set
Meter grid still carries function using three-dimensional drawing software and is designed, and repeats no more again.In one embodiment, described
Include the following steps: to import using Slice Software in the step of carrying out layering filling to 3D printing mold using reduction formula grid
The 3D printing mold file of STL format；The filling of substrate grid is successively carried out to the 3D printing mold of STL format and top grid is filled out
It fills.The 3D printing mold file that i.e. Slice Software receives STL format realizes sectioning；In the 3D printing mold to STL format
When carrying out grid filling, progress substrate grid filling first carries out grid filling to the bottom of 3D printing mold, then to 3D
The top of print die carries out grid filling, so that the whole net for taking out the different spacing of the interior filling of 3D printing mold after shell
Lattice.
Specifically, when the size of 3D printing mold is less than or equal to 200mm, substrate web compartment is no away from being set as 40mm
Then, by substrate web compartment away from being set as 120mm.
3D printing mold i.e. slightly smaller for size, sets the substrate grid of 3D printing mold to the spacing of 40mm, if
More than the 3D printing mold of the size, it sets the substrate grid of 3D printing mold to the spacing of 120mm.Further, work as 3D
When the size of print die is greater than 200mm, top reticulate layer is arranged away from being set as 40mm in top net compartment.I.e. size is big
In the 3D printing mold of 200mm, it is set as the spacing of 40mm, and hierarchical design to the top grid of 3D printing mold, in this way may be used
According to practical 3D printing die size planning grid spacing, be conducive to reasonably quickly execute design operation.
It should be noted that above-mentioned dimension information refers to the length, width and height size of mold.
S140: layering filling is carried out to 3D printing mold using reduction formula grid.
That is, being filled, being had to the 3D printing mold after taking out shell using reduction formula grid when carrying out grid filling design
Body filling mode is layered to 3D printing mold, and the grid of different spacing is then filled according to delamination area.In order to
It can guarantee that 3D printing die top cover is closed, not collapse, in one embodiment, along the top side of 3D printing mold
The spacing for filling grid to every layer is gradually reduced.I.e. when carrying out the filling of reduction formula grid, by bottom to the top of 3D printing mold
Portion successively reduces the spacing of grid, can guarantee in this way 3D printing mold in top area adequate closure, avoid the occurrence of to collapse and ask
Topic.
The above-mentioned design method for being used to mitigate 3D printing mold weight, by carrying out pumping shell to the 3D printing mold after modeling
Processing, and layering filling is further carried out to 3D printing mold using reduction formula grid, guaranteeing 3D printing mould to be able to achieve
It while having stability, can effectively mitigate the weight of 3D printing mold, then significantly reduce the print time, shorten entire molding life
The period is produced, the operation such as the use cost of 3D printing mold is effectively reduced, and is easy to be carried or overturn, to promote 3D printing
The use operating characteristics of mold.
In one embodiment, the 3D printing mold includes FDM pattern tool.That is setting using any of the above-described embodiment
Meter method preferred design FDM pattern tool.Wherein FDM(Fused Deposition Modeling, fused glass pellet) pattern tool
Due to material selection particularity, using above-described embodiment design method compared to for other 3D printing molds more
It help to obtain.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of for mitigating the design method of 3D printing mold weight, which comprises the following steps:
Design 3D printing mold is required according to casting technique, and exports the printing digital-to-analogue of 3D printing mold；
3D printing mold after modeling is carried out to take out shell processing；
Grid filling is carried out to the 3D printing mold after taking out shell using slice program；
Layering filling is carried out to 3D printing mold using reduction formula grid.
2. according to claim 1 for mitigating the design method of 3D printing mold weight, which is characterized in that at pumping shell
3D printing mold after reason carries out fillet processing.
3. according to claim 2 for mitigating the design method of 3D printing mold weight, which is characterized in that the fillet
It is further comprising the steps of in processing step: the right-angle structure for taking out shell treated 3D printing mold is designed into sloping or circular arc.
4. according to claim 3 for mitigating the design method of 3D printing mold weight, which is characterized in that when described oblique
When the step distance on slope is less than or equal to 50mm, draft processing is carried out to the step on the slope, the gradient on the slope is set
Count into 30 degree.
5. according to claim 3 for mitigating the design method of 3D printing mold weight, which is characterized in that when described oblique
When the step height on slope is less than or equal to 30mm, circular arc processing is carried out to the step on the slope, the slope is designed to half
Diameter is the circular arc of 30mm.
6. according to claim 1 for mitigating the design method of 3D printing mold weight, which is characterized in that the 3D is beaten
Stamp tool includes that FDM pattern has.
7. according to claim 1 for mitigating the design method of 3D printing mold weight, which is characterized in that described pair is built
3D printing mold after mould, which take out, includes the following steps: that the pumping shell wall thickness of default 3D printing mold is 12mm in shell processing step
~18mm。
8. according to claim 1 for mitigating the design method of 3D printing mold weight, which is characterized in that the use
Include the following steps: in the step of reduction formula grid carries out layering filling to 3D printing mold
The 3D printing mold file of STL format is imported using Slice Software；
The filling of substrate grid and the filling of top grid are successively carried out to the 3D printing mold of STL format.
9. according to claim 8 for mitigating the design method of weight, which is characterized in that when the size of 3D printing mold
When less than or equal to 200mm, substrate web compartment is away from 40mm is set as, otherwise, by substrate web compartment away from being set as 120mm.
10. according to claim 9 for mitigating the design method of 3D printing mold weight, which is characterized in that when 3D is beaten
When the size of stamp tool is greater than 200mm, top reticulate layer is arranged away from being set as 40mm in top net compartment.
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| CN201810951086.4A CN109049678A (en) | 2018-08-21 | 2018-08-21 | For mitigating the design method of 3D printing mold weight |
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Cited By (2)
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| CN113239420A (en) * | 2021-04-24 | 2021-08-10 | 共享智能铸造产业创新中心有限公司 | 3D printing product lightweight design method and 3D printing product |
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