CN106273485B - One kind exposes the different appearing method of 3D printer multi-screen based on Embedded face - Google Patents
One kind exposes the different appearing method of 3D printer multi-screen based on Embedded face Download PDFInfo
- Publication number
- CN106273485B CN106273485B CN201610676928.0A CN201610676928A CN106273485B CN 106273485 B CN106273485 B CN 106273485B CN 201610676928 A CN201610676928 A CN 201610676928A CN 106273485 B CN106273485 B CN 106273485B
- Authority
- CN
- China
- Prior art keywords
- contour
- profile
- point data
- exposure mask
- internal periphery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Abstract
The different appearing method of 3D printer multi-screen is exposed based on Embedded face the invention discloses one kind, is included the following steps：Step 1) prepares development board；Step 2) reads file；Step 3) draws exposure mask；The different aobvious output of step 4) multi-screen.Present invention manufacture cost reduction, system power dissipation is low, equipment heating is low, and substantially reduces the empty occupancy of storage.
Description
Technical field
The present invention relates to 3D printing technique fields, and in particular to one kind is different based on Embedded face exposure 3D printer multi-screen
Appearing method.
Background technology
3D printing technique (also known as rapid shaping) is a kind of completely new manufacturing technology occurred the late 1980s, it is borrowed
The modernization means such as computer, laser, precision drive and numerical control are helped, the quick system of workpiece is realized by the stacked in multi-layers of raw material
It makes.CAD and computer-aided manufacturing are integrated in one by this emerging manufacturing technology, will draw in advance first
Three-dimensional entity model be layered according to a certain thickness, then pass through kinetic control system and optical system and cooperate and complete raw material
Curing piling operation.It is molded entity and is not limited by shape, and fast with shaping speed, cost per unit is low, stock utilization is high
The advantages that.Can the workpiece in the dummy model stage accurately, be directly converted into entity, so as to preferably complete product
Correlation analysis is verified, greatly improves production of parts.
Face exposure 3D printing is that a kind of support photosensitive resin polymerisation realizes the molding technology of material solidification.It is exposed based on face
The visible ray that the 3D printing equipment of light technique is directly generated using routine DLP (Digital Light Processing) projecting apparatus
Resin material is irradiated in a planar form, it is quick compared to other by the way that projecting apparatus light intensity is controlled to realize resin solidification with irradiation time
Forming technique manipulation is easier, and shaping speed faster, can effectively improve printing precision, obtain higher surface quality, together
When can significantly reduce printing device system cost again.
When in the exposure sources of front in order to realize that multi-screen is different aobvious (multiple screens show different content simultaneously), it is common to use dress
Have windows systems laptop or Industry Control computer operation 3D printer control software, the two exist can not gram
The problems such as the with high costs of clothes, power consumption are big, equipment heating.
The domestic existing face exposure DLP equipment based on embedded system can not read SLC files, can only gradually read individual
BMP picture files, memory space expend huge.
Invention content
It is an object of the invention to overcome problem above of the existing technology, provide a kind of based on the exposure of Embedded face
The different appearing method of 3D printer multi-screen, present invention manufacture cost reduction, system power dissipation is low, equipment heating is low, and substantially reduces and deposit
Storage is empty to be occupied.
To realize above-mentioned technical purpose and the technique effect, the present invention is realized by following technical method：
One kind exposes the different appearing method of 3D printer multi-screen based on Embedded face, includes the following steps：
Step 1) prepares development board, and linux system configuration is carried out to the development board；
Step 2) reads file, SLC files is input in development board, and the number of plies to the SLC files and each layer
Contour point data be read out；
Step 3) draws exposure mask, and Internal periphery is carried out to each layer of contour point data and outer profile distinguishes, works as presence
During the contour point data of Internal periphery, the contour point data of Internal periphery is connected into inner outline, by the contour point data of outer profile
Outer contour is connected into, entity filling is then carried out between inner outline and outer contour, hollow exposure mask is obtained and protects
Deposit it is to be called to memory etc., when there is no during the contour point data of Internal periphery, the contour point data of outer profile is connected into foreign steamer
Profile then carries out entity filling to outer contour inside, obtains solid exposure mask and preserves to be called to memory etc.；
Step 4) multi-screen is different aobvious, and the hollow exposure mask in memory and solid exposure mask are exported.
Further, in the step 2, progress bar is set after reading the number of plies of SLC files, when often completing one in step 3
The drafting of layer exposure mask, which, which counts, adds one.
Further, in the step 3, when there is no during the contour point data of Internal periphery, counting in the profile of outer profile
According to one polar origin of interior setting, the profile point of polar origin and outer profile is subjected to line, records two neighboring profile
Point between vector angle, obtain ∠ 1, ∠ 2, ∠ 3 ..., ∠ N, ∠ 1+ ∠ 2+ ∠ 3+ ...+∠ N=2 π, then will be two neighboring
Line is carried out between profile point, obtains outer contour；When there are during the contour point data of Internal periphery, continuing with the polar origin
Line is carried out with the profile point of Internal periphery, the vector angle between two neighboring profile point is recorded, obtains ∠ A1, ∠ A2, ∠
A3 ..., ∠ AN, ∠ A+ ∠ A2+ ∠ A3+ ...+∠ AN=-2 π, then line will be carried out between two neighboring profile point, obtain in
Contour line.
The beneficial effects of the invention are as follows:
This method causes DLP 3D printers are realized to be detached from Windows systems, is introduced in DLP 3D printing equipment embedding
Enter formula control system, control section can be manufactured cost reduction more than twice, while system power dissipation can be greatly lowered, reduced
Equipment heating.It realizes and is read based on Embedded SLC files, relatively original BMP forms conventional model mask file can be significantly
Reduce the empty occupancy of storage.
Above description is only the general introduction of the technology of the present invention method, in order to better understand the technological means of the present invention,
And can be implemented in accordance with the contents of the specification, it is described in detail as after with presently preferred embodiments of the present invention below.The tool of the present invention
Body embodiment is shown in detail by following embodiment.
Specific embodiment
The technical method in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
One kind exposes the different appearing method of 3D printer multi-screen based on Embedded face, includes the following steps：
First prepare development board, linux system configuration is carried out to the development board, the embedding iMX6Q in day may be used；
Then file is read, SLC files are input in development board, and the number of plies to the SLC files and each layer
Contour point data is read out, and progress bar is set after reading the number of plies of SLC files, during meeting operation, can intuitively be shown
Give operator one processing speed；
Then exposure mask is drawn, Internal periphery is carried out to each layer of contour point data and outer profile distinguishes, when in presence
During the contour point data of profile, the contour point data of Internal periphery is connected into inner outline, the contour point data of outer profile is connected
Outer contour is connected into, entity filling is then carried out between inner outline and outer contour, hollow exposure mask is obtained and preserves
It is to be called to memory etc., when there is no during the contour point data of Internal periphery, the contour point data of outer profile is connected into outer profile
Line then carries out entity filling to outer contour inside, obtains solid exposure mask and preserves to be called to memory etc.；
In above draw, the inside and outside contour curve of workpiece in each layer of slice figure is correctly distinguished, is to draw exposure to cover
The key of film.SLC file formats provide, read point coordinates according to storage order and draw workpiece profile, are a little made with contoured interior
For reference, if contour line extends along clockwise, this profile is Internal periphery；Conversely, if contour line is along extension, this profile counterclockwise
Outer profile.Again since workpiece profile has concavity and convexity, concave point or salient point can cause the clocking sequence in profile at certain point
The clocking sequence of entire point set is in reverse to, according to 2 points of clocking sequences being calculated of arbitrary neighborhood in boundary contour, it is impossible to
Represent the clocking sequence of current border.Therefore, it is determined that the clocking sequence of current border, not only needs the angle between line segment, but also
Point all on polar origin and profile is all linked to be line segment, calculates the angle of adjacent segments all on profile, and
Seek the sum of all angles.Wherein outer contour and inner outline are all the contour lines of closing, are the points by turning around around origin rotation
The absolute value of the sum of composition, angle must be 2 π.When the value of the sum of angle is 2 π, occluding contour is according to rotation counterclockwise；
When the sum of angle is -2 π, occluding contour is according to rotating clockwise；
Specific method is, when there is no during the contour point data of Internal periphery, one is set in the contour point data of outer profile
The profile point of polar origin and outer profile is carried out line by a polar origin, record between two neighboring profile point to
Measure angle, obtain ∠ 1, ∠ 2, ∠ 3 ..., ∠ N, ∠ 1+ ∠ 2+ ∠ 3+ ...+∠ N=2 π, then will be between two neighboring profile point
Line is carried out, obtains outer contour；When there are during the contour point data of Internal periphery, continue with the polar origin and Internal periphery
Profile point carry out line, record the vector angle between two neighboring profile point, obtain ∠ A1, ∠ A2, ∠ A3 ..., ∠ AN, ∠
A+ ∠ A2+ ∠ A3+ ...+∠ AN=-2 π, then will carry out line, obtain inner outline between two neighboring profile point.
It is different aobvious finally to carry out multi-screen, the hollow exposure mask in memory and solid exposure mask are carried out by HDMI equipment
Output can also use VGA the or LVDS display interfaces except HDMI to realize that multi-screen is different aobvious.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (2)
1. one kind exposes the different appearing method of 3D printer multi-screen based on Embedded face, which is characterized in that includes the following steps：
Step 1) prepares development board, and linux system configuration is carried out to the development board；
Step 2) reads file, SLC files is input in development board, and the number of plies and each layer of wheel to the SLC files
Wide point data is read out；
Step 3) draws exposure mask, and Internal periphery is carried out to each layer of contour point data and outer profile distinguishes, when there are lubrication grooves
During the contour point data of exterior feature, the contour point data of Internal periphery is connected into inner outline, the contour point data of outer profile is connected
Into outer contour, entity filling is then carried out between inner outline and outer contour, obtain hollow exposure mask and is preserved extremely
Memory etc. is to be called, when there is no during the contour point data of Internal periphery, the contour point data of outer profile is connected into outer contour,
Then entity filling is carried out to outer contour inside, obtain solid exposure mask and preserved to be called to memory etc.；
Step 4) multi-screen is different aobvious, and the hollow exposure mask in memory and solid exposure mask are exported；
In the step 3, when there is no during the contour point data of Internal periphery, a pole is set in the contour point data of outer profile
The profile point of polar origin and outer profile is carried out line by coordinate origin, records the vector folder between two neighboring profile point
Angle, obtain ∠ 1, ∠ 2, ∠ 3 ..., ∠ N, ∠ 1+ ∠ 2+ ∠ 3+ ...+∠ N=2 π, then will be carried out between two neighboring profile point
Line obtains outer contour；When there are during the contour point data of Internal periphery, continuing the profile with the polar origin and Internal periphery
Point carry out line, record the vector angle between two neighboring profile point, obtain ∠ A1, ∠ A2, ∠ A3 ..., ∠ AN, ∠ A+ ∠
A2+ ∠ A3+ ...+∠ AN=-2 π, then will carry out line, obtain inner outline between two neighboring profile point.
2. according to claim 1 a kind of based on the Embedded face exposure different appearing method of 3D printer multi-screen, feature exists
In：In the step 2, progress bar is set after reading the number of plies of SLC files, when often completing painting for one layer of exposure mask in step 3
System, which, which counts, adds one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676928.0A CN106273485B (en) | 2016-08-17 | 2016-08-17 | One kind exposes the different appearing method of 3D printer multi-screen based on Embedded face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610676928.0A CN106273485B (en) | 2016-08-17 | 2016-08-17 | One kind exposes the different appearing method of 3D printer multi-screen based on Embedded face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106273485A CN106273485A (en) | 2017-01-04 |
| CN106273485B true CN106273485B (en) | 2018-06-12 |
Family
ID=57678704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610676928.0A Active CN106273485B (en) | 2016-08-17 | 2016-08-17 | One kind exposes the different appearing method of 3D printer multi-screen based on Embedded face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106273485B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805894B (en) * | 2020-06-15 | 2021-08-03 | 苏州大学 | STL model slicing method and device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3123843B1 (en) * | 2014-03-25 | 2021-06-09 | Stratasys Ltd. | Method for fabricating cross-layer pattern |
| CN106414025A (en) * | 2014-03-30 | 2017-02-15 | S·科恩 | System, method and apparatus for 3D printing |
| US9623609B2 (en) * | 2014-06-02 | 2017-04-18 | Vadient Optics, Llc | Method of manufacturing multi-component functional article |
-
2016
- 2016-08-17 CN CN201610676928.0A patent/CN106273485B/en active Active
Non-Patent Citations (4)
| Title |
|---|
| 利用改进扫描线法的面曝光快速成型的掩模图形;金矿矿;《西安工程大学学报》;西安工程大学;20141231;第28卷(第6期);全文 * |
| 基于ARM的光固化快速成型嵌入式网络控制系统研究;黄明;《锻造装备与制造技术》;中国机床工具工业协会;20120430;第47卷(第2期);第79-82页 * |
| 基于面固化的快速微成型控制算法设计;陈敏;《微计算机信息》;中国计算机用户协会自动控制分会;20100228;第26卷(第4期);全文 * |
| 面曝光快速成型系统中掩膜图形的生成方法;王亚宁;《西安工程大学学报》;西安工程大学;20140228;第28卷(第1期);第106-110页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106273485A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kikuchi et al. | Embedding QR codes onto B-spline surfaces for 3D printing | |
| EP3742113B1 (en) | System and method for marking images for three-dimensional image generation | |
| US9180624B2 (en) | Computer-implemented method for three-dimensional representation | |
| CN105643925A (en) | Three-dimensional printing device | |
| US9224238B2 (en) | Seamless texturing of 3D meshes of objects from multiple views | |
| US10657710B2 (en) | Displacement directed tessellation | |
| US10210618B1 (en) | Object image masking using depth cameras or three-dimensional (3D) models | |
| US9367731B2 (en) | Depth gradient based tracking | |
| CN106273485B (en) | One kind exposes the different appearing method of 3D printer multi-screen based on Embedded face | |
| CN102005061B (en) | Method for reusing cartoons based on layering/hole-filling | |
| Müller et al. | Extended subdivision surfaces: Building a bridge between NURBS and Catmull-Clark surfaces | |
| CN106651842A (en) | Automatic obtaining and segmentation method of CT image pulmonary nodule seed points | |
| CN104251670A (en) | Multi-view raster 3D (three-dimensional) scanner | |
| CN101635851A (en) | Method for extracting video fingerprints | |
| JP2018533115A (en) | Independence in additive manufacturing | |
| JP5473096B2 (en) | Modeling concave surfaces in image-based visual hulls | |
| CN111178266B (en) | Method and device for generating key points of human face | |
| JP2017162448A (en) | Designing outer surface of composite part | |
| CN112819741B (en) | Image fusion method and device, electronic equipment and storage medium | |
| CN109241624B (en) | Method, device, equipment and storage medium for determining demolding direction of car light accessory | |
| JP2016057534A (en) | Compression support method, compression support program, and compression support device | |
| US20180330552A1 (en) | Editing device for three-dimensional shape data, and non-transitory computer readable medium storing three-dimensional shape-data editing program | |
| Yan et al. | Consistent stereo image editing | |
| WO2015038138A1 (en) | Motion data based focus strength metric to facilitate image processing | |
| US20090066691A1 (en) | Method for rendering an object |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |