CN110271183A - A kind of three-dimension object is slightly variable the forming method and device of thickness - Google Patents
A kind of three-dimension object is slightly variable the forming method and device of thickness Download PDFInfo
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- CN110271183A CN110271183A CN201810215060.3A CN201810215060A CN110271183A CN 110271183 A CN110271183 A CN 110271183A CN 201810215060 A CN201810215060 A CN 201810215060A CN 110271183 A CN110271183 A CN 110271183A
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- slightly variable
- thickness
- dimension object
- forming method
- layer
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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
Abstract
The invention discloses forming methods and device that a kind of three-dimension object is slightly variable thickness, pass through the adjustment of the extruded velocity of the material of print head and the adjustment of mobile deposition velocity, and the adjustment of the height of print head, generate the melting linear material that is slightly variable section high with the line width being slightly variable and the line being slightly variable, the linear material for being slightly variable section is carried out to the fused deposition of same level on demand, generate one layer of thin slice for being slightly variable thickness of three-dimension object, then the linear material for being slightly variable section is carried out on demand to the fused deposition of same level and additive fusion is deposited on upper one layer and is slightly variable on the thin slice of thickness, generate next layer of the thin slice for being slightly variable thickness, and then three-dimension object required for generating.The most of stress generated when eliminating material molten deposition is merged by curved surface, material is firmly combined, it is not easy to which warpage improves Forming Quality.
Description
Technical field
The invention belongs to the 3D printing manufacturing field of three-dimension object, more particularly to a kind of three-dimension object be slightly variable thickness at
Type method and apparatus.
Background technique
3D printing manufacturing technology is one kind based on mathematical model, come structure by way of successively printing adhesive material
The technology for making three-dimension object is the new technology that manufacture field is gradually developing.As a kind of increases material manufacturing technology, 3D
Printing does not need machining or any modeling tool, it will be able to the zero of any shape directly be made from computer graphics data
Part.With it is traditional subtract material manufacturing technology compared with, such as by mold, the machinings mode such as machines such as turnning and milling mill determines material
The cutting of type and final production product.This 3D printing manufacture can greatly shorten the new product development in enterprises period, and saving is opened
Cost is sent out, the competitiveness of enterprise market is improved.
The forming method of heat fusing deposition (FDM) technology of existing three-dimension object is first with computer software to needs
The carry out hierarchy slicing processing of the three-dimension object of printing shaping, obtains the two-dimensional silhouette information of each bed boundary of three-dimension object, so
G-code control routine is generated afterwards, and the head device of one group of mobile device for being equipped with XYZ axis is fed electricity according to control instruction
Machine conveys linear material to print head, and print head squeezes out melting linear material, and the fusion that mobile print head carries out same level is heavy
Product, generates one layer of thin slice of the fixation thickness of three-dimension object, on the upper one layer of thin slice for being then bonded to next layer of deposition materials,
By these thin slices, gradually laminated structure glues and is shaped to three-dimension object.Due to being each layer of thickness using fixed-size
For thickness come the melted material deposition carried out, printing the extruded velocity of head material is fixed, the speed of the mobile deposition of print head
Be it is fixed, causing the linear material of the melted material of print-head deposition is the cross-section material high with fixed line width and line
Material, by the fusion of prismatic material and piles up, cause N+1 layer with N layers of the face of merging to be plane, and N+1 layers melt with N layers
Conjunction face is parallel surface with N+2 with N+1 layers of the face of merging, it is difficult to which the stress generated when eliminating material molten deposition is easy to produce three
Tie up the warpage of object, hole, in conjunction with the low deficiency of Forming Qualities such as loosely.
Summary of the invention
Present invention aims at overcome the heat fusing of existing three-dimension object to deposit the molding method of (FDM) technology and use
Fixed-size thickness material deposition, cause N+1 layers with N layers of the face of merging be plane, and N+1 layers merge with N layers
Face is parallel surface with N+2 with N+1 layers of the face of merging, it is difficult to which the stress generated when eliminating material molten deposition is easy to produce three-dimensional
The warpage of object, in conjunction with the low deficiency of Forming Qualities such as loosely, provide a kind of three-dimension object the forming method for being slightly variable thickness and
Device.
Present example provides the forming method and device that a kind of three-dimension object is slightly variable thickness, passes through the material of print head
The adjustment of the height of the adjustment of extruded velocity and the adjustment of mobile deposition velocity and print head, generating has the line width being slightly variable
The high melting linear material for being slightly variable section, carries out melting for same level for the linear material for being slightly variable section on demand with the line that is slightly variable
Deposition is closed, one layer of thin slice for being slightly variable thickness of three-dimension object is generated, then carries out the linear material for being slightly variable section on demand same
The fused deposition and additive fusion of level are deposited on one layer and are slightly variable on the thin slice of thickness, and next layer of generation is slightly variable the thin of thickness
Piece, and then generate required three-dimension object.
Further, the head device includes stepper motor, control system, nozzle arrangements, stepper motor and plus
Hot temperature control device is located at the top of nozzle arrangements.
Horizontal movement of the stepper motor driving print head of the head device in X-axis, Y-axis, Z-direction.
The nozzle arrangements of the head device include nozzle, the heating temperature control means in outside and adaptive spring dress
It sets, nozzle chamber connects charging port and discharge end, and heating temperature control means are equipped with inductor for detecting outlet end and beating
The distance between matrix is printed, the printed material that alternating current heating melting enters from nozzle material-feeding port can be generated, to make
Printed material is smoothly squeezed out from discharge end, while adaptively spring arrangement is under spring self-adapting driving effect, Ke Yigen
According to the height for needing to adjust print head.
The control system of the head device connects stepper motor, for controlling material extruded velocity, mobile deposition
Speed, material squeeze out content.
It is a kind of variable that the print head, which squeezes out content, needs to be adjusted according to formed product needs.
The N layer of the three-dimension object merges face, N > 1.
The N+1 layer of the three-dimension object and N layers of the face of merging be curved surface, and N+1 layers merge face and N+2 with N layers
The face of merging with N+1 layers is non-parallel face.
The N layer fusion face of the three-dimension object is parallel by print head upper and lower, left and right or vertically moves extrusion
Curved surface merges level.
It is answered the invention has the following advantages: merging the major part generated when eliminating material molten deposition by curved surface
Power, material are firmly combined, it is not easy to which warpage improves Forming Quality.
Detailed description of the invention
Fig. 1 is the head device schematic diagram of molding machine of the embodiment of the present invention.
Fig. 2 is melting planar shaping structural schematic diagram of the embodiment of the present invention.
Fig. 3 is melting curved surface forming structural schematic diagram of the embodiment of the present invention.
In figure, 1- stepper motor, 2- heating temperature control means, 3- discharge end, 4- nozzle, the adaptive spring arrangement of 5-, 6-
Charging port.
Specific embodiment
The content of the present invention will be further explained with reference to embodiments, but three-dimension object of the invention is slightly variable thickness
Forming method and device be not limited to embodiment below.
Head device as shown in Figure 1 drives print head to transport in X-axis, Y-axis, the horizontal of Z-direction by stepper motor
Dynamic, the nozzle arrangements of head device include nozzle 4, the heating temperature control means 2 in outside and adaptive spring arrangement 5, in nozzle 4
Chamber connects charging port 3 and discharge end 6, and heating temperature control means 2 are equipped with inductor for detecting outlet end and printing substrate
The distance between, the printed material that alternating current heating melting enters from nozzle material-feeding port 6 can be generated, to make to print material
Material is smoothly squeezed out from discharge end 3, while adaptively spring arrangement 5, can be according to need under spring self-adapting driving effect
The height of print head is adjusted, wherein control system connects stepper motor 1, for controlling material extruded velocity, mobile deposition speed
Degree, material squeeze out content.
As shown in Figures 2 and 3, it with N layers of the face of merging is plane that conventional fused glass pellet three-dimension object, which is N+1 layers,
Now by adjusting the height of the extruded velocity of the material of print head, mobile deposition velocity and print head, generating has the line being slightly variable
The high melting linear material for being slightly variable section of line that is wide and being slightly variable, the N+1 layer of generation is curved surface with N layers of the face of merging, mainly
Linear material after heating melting on demand platform carry out be same level fused deposition, generate one kind of three-dimension object
With one layer of thin slice for being slightly variable thickness, then carry out the fused deposition of same level on demand and additive fusion be deposited on one layer it is micro-
On the thin slice of change layer thickness, next layer of the thin slice for being slightly variable thickness is generated, is stepped up to be formed and is slightly variable thickness thin slice with multilayer
Structure, and then construct the required three-dimension object finished product for having and being slightly variable thickness.
Although the above is described in detail a specific embodiment of the invention in conjunction with attached drawing, should not be understood
For the restriction to protection scope of the present invention, in the range described by claims, those skilled in the art are without creation
Property the various modifications that can make of labour and deformation still fall within protection scope of the present invention.
Claims (9)
1. a kind of three-dimension object is slightly variable the forming method and device of thickness, it is characterized in that: the extrusion speed of the material by print head
The adjustment of the height of the adjustment of degree and the adjustment of mobile deposition velocity and print head, generating has the line width being slightly variable and is slightly variable
The high melting linear material for being slightly variable section of line, the fusion that the linear material for being slightly variable section is carried out to same level on demand sinks
Product, generates one layer of thin slice for being slightly variable thickness of three-dimension object, the linear material for being slightly variable section is then carried out same level on demand
Fused deposition and additive fusion be deposited on one layer and be slightly variable on the thin slice of thickness, generate next layer of the thin slice for being slightly variable thickness,
And then three-dimension object required for generating.
2. three-dimension object according to claim 1 is slightly variable the forming method and device of thickness, it is characterized in that: the printing
Head device includes stepper motor, control system, nozzle arrangements, and stepper motor and heating temperature control means are located at the top of nozzle arrangements
End.
3. three-dimension object according to claim 1 is slightly variable the forming method and device of thickness, it is characterized in that: the printing
Horizontal movement of the stepper motor driving print head of head device in X-axis, Y-axis, Z-direction.
4. three-dimension object according to claim 1 is slightly variable the forming method and device of thickness, it is characterized in that: the printing
The nozzle arrangements of head device include nozzle, the heating temperature control means in outside and adaptive spring arrangement, nozzle chamber connection charging
Port and discharge end, heating temperature control means are equipped with inductor for detecting the distance between outlet end and printing substrate, energy
The printed material that alternating current heating melting enters from nozzle material-feeding port is enough generated, to make printed material smoothly from discharging
Port squeezes out, while adaptive spring arrangement can according to need the height of adjustment print head under spring self-adapting driving effect
Degree.
5. three-dimension object according to claim 1 is slightly variable the forming method and device of thickness, it is characterized in that: the printing
The control system of head device connects stepper motor, squeezes out content for controlling material extruded velocity, mobile deposition velocity, material.
6. three-dimension object according to claim 1 is slightly variable the forming method and device of thickness, it is characterized in that: the printing
Head material extruded velocity, mobile deposition velocity, material extrusion content are a kind of variables, need to be carried out according to formed product needs
It adjusts.
7. three-dimension object according to claim 1 is slightly variable the forming method and device of thickness, it is characterized in that: the three-dimensional
The N layer of object merges face, N > 1.
8. three-dimension object according to claim 1 is slightly variable the forming method and device of thickness, it is characterized in that: the three-dimensional
The N+1 layer of object and N layers of the face of merging are curved surfaces, and N+1 layers merge face right and wrong with N+1 layers with N layers of merge face and N+2
Parallel surface.
9. three-dimension object according to claim 1 is slightly variable the forming method and device of thickness, it is characterized in that: the three-dimensional
The N layer fusion face of object is parallel by print head upper and lower, left and right or vertically moves the curved surface fusion level of extrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215060.3A CN110271183A (en) | 2018-03-15 | 2018-03-15 | A kind of three-dimension object is slightly variable the forming method and device of thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215060.3A CN110271183A (en) | 2018-03-15 | 2018-03-15 | A kind of three-dimension object is slightly variable the forming method and device of thickness |
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| Publication Number | Publication Date |
|---|---|
| CN110271183A true CN110271183A (en) | 2019-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810215060.3A Pending CN110271183A (en) | 2018-03-15 | 2018-03-15 | A kind of three-dimension object is slightly variable the forming method and device of thickness |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248450A (en) * | 2020-09-29 | 2021-01-22 | 马鞍山实嘉信息科技有限公司 | 3D printing system and 3D printing method |
| CN112692400A (en) * | 2020-12-22 | 2021-04-23 | 重庆邮电大学 | TIG electric arc additive forming time-varying parameter distance self-adaptive control method |
| WO2021136716A1 (en) * | 2020-01-03 | 2021-07-08 | Signify Holding B.V. | Optical effects of 3d printed items |
| CN113681882A (en) * | 2021-10-25 | 2021-11-23 | 季华实验室 | 3D printing method and 3D printer |
| CN114347470A (en) * | 2022-01-19 | 2022-04-15 | 苏州光兴智能科技有限公司 | Forming method and device for micro-curved surface of carbon fiber composite material component |
| CN114889123A (en) * | 2022-04-29 | 2022-08-12 | 深圳快造科技有限公司 | Double-nozzle calibration method based on visual identification and printing device |
-
2018
- 2018-03-15 CN CN201810215060.3A patent/CN110271183A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136716A1 (en) * | 2020-01-03 | 2021-07-08 | Signify Holding B.V. | Optical effects of 3d printed items |
| EP4084944B1 (en) * | 2020-01-03 | 2023-08-30 | Signify Holding B.V. | Optical effects of 3d printed items |
| CN112248450A (en) * | 2020-09-29 | 2021-01-22 | 马鞍山实嘉信息科技有限公司 | 3D printing system and 3D printing method |
| CN112692400A (en) * | 2020-12-22 | 2021-04-23 | 重庆邮电大学 | TIG electric arc additive forming time-varying parameter distance self-adaptive control method |
| CN113681882A (en) * | 2021-10-25 | 2021-11-23 | 季华实验室 | 3D printing method and 3D printer |
| CN114347470A (en) * | 2022-01-19 | 2022-04-15 | 苏州光兴智能科技有限公司 | Forming method and device for micro-curved surface of carbon fiber composite material component |
| CN114889123A (en) * | 2022-04-29 | 2022-08-12 | 深圳快造科技有限公司 | Double-nozzle calibration method based on visual identification and printing device |
| CN114889123B (en) * | 2022-04-29 | 2024-04-12 | 深圳快造科技有限公司 | Dual-nozzle calibration method and printing device based on visual recognition |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190924 |