CN107775953A - A kind of automatic method interrupted 3D printer and continue feed - Google Patents
A kind of automatic method interrupted 3D printer and continue feed Download PDFInfo
- Publication number
- CN107775953A CN107775953A CN201711289446.0A CN201711289446A CN107775953A CN 107775953 A CN107775953 A CN 107775953A CN 201711289446 A CN201711289446 A CN 201711289446A CN 107775953 A CN107775953 A CN 107775953A
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- printhead
- printer
- coordinate information
- detection area
- light
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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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- 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
-
- 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 provides a kind of automatic method interrupted 3D printer and continue feed, methods described is applied to 3D printer, the 3D printer includes transparency printing bottom plate, printhead, printhead positioning system, step actuator, control system, MxN light detection area domain is provided with the transparency printing bottom plate, a light sensor is provided with each light detection area domain.It is of the invention to determine whether the bottom surface of current printer model prints completion by detecting the change of the Z coordinate information of printhead, and in the case where the printing of the bottom surface of printer model is completed, open the light detection sensor below the light detection area domain of transparency printing bottom plate, if light sensor detects that the brightness value in light detection area domain exceedes predetermined luminance value, illustrate that there occurs alice phenomenon relative to printing bottom plate for the bottom surface of model, now control system will control printhead to stop mobile and discharging by step actuator, so as to reach the purpose for saving material.
Description
Technical field
The present invention relates to 3D printer technical field, more particularly to a kind of automatic side interrupted 3D printer and continue feed
Method.
Background technology
One kind of 3D printing, i.e. rapid shaping technique, it is a kind of based on mathematical model file, with powdered gold
Category or plastics etc. can jointing material, come the technology of constructed object by way of successively printing.3D printing is typically using numeral
Technologic material printer is often used for modeling come what is realized in fields such as Making mold, industrial designs, after be gradually available for one
The direct manufacture of a little products, there are the parts formed using the printing of this technology.The technology is set in jewelry, footwear, industry
Meter, building, engineering and construction (AEC), automobile, Aero-Space, dentistry and medical industries, education, GIS-Geographic Information System, building work
Journey, gun and other field have all been applied.
The 3D printing technique of main flow mainly includes four kinds at present:Stereolithography technology (SLA), three-dimensional powder adhesive technology
(3DP), Selective Laser Sintering (SLS) and fusion sediment rapid shaping technique (FDM).Wherein, fusion sediment is quick
Forming technique (FDM) is also known as fuse deposition technique, and it is by thread heat-fusible materials heating and melting, by with a fine spray
The shower nozzle of mouth is squeezed and gushed out.During work, each interlamellar spacing is first determined, computer is cut into slices to three-dimensional computer model, generates path,
Then shower nozzle mobile discharging by path under the control of the computer, hot melt material bonding is on the table or the cured layer of preceding layer
On face, often solidify one layer of workbench and move down an interlamellar spacing, so layer-by-layer preparation repeatedly, until last layer, passes through material
Layer upon layer forms final finished.
Removed for the ease of printout from workbench (printing bottom plate), hot melt material is typically moderate from degree of adhesion
Material, this is resulted in when the height of printed product is higher, and product bottom surface and the workbench contact portion of printing easily occur
Phenomenon is tilted, and then causes printhead accurately not continue to print according to desired guiding trajectory so that prints obtained product
It is unable to reach expected requirement.Meanwhile one problem of FDM technology generally existing, exactly expect that silk must continual confession in printing
Material, and FDM molding time is universal longer, if the product bottom surface of printing occurs to tilt phenomenon with workbench contact portion, no
The model for forming part before will result only in is scrapped, simultaneously because material silk is still constantly being fed, causes a large amount of wastes of material (to press
According to expected computer model, it can just stop being fed only when printing is fully completed).
The content of the invention
Problem be present for prior art, it is desirable to provide a kind of automatic method interrupted 3D printer and continue feed, to
Existing 3D printer is solved when printed model bottom surface generation tilts phenomenon, the material silk that can not stop printhead continuing to supply
Material, the problem of causing waste of material.
To achieve the above object, a kind of automatic method interrupted 3D printer and continue feed, the 3D are inventor provided
Printer includes transparency printing bottom plate, printhead, printhead positioning system, step actuator, control system；The transparency printing
MxN light detection area domain is provided with bottom plate, a light sensor, the light level are provided with each light detection area domain
Device is used for the brightness change information of detection light detection area；It the described method comprises the following steps：
Printhead positioning system detects the co-ordinate position information of current printhead, and the co-ordinate position information includes X-coordinate
Information, Y-coordinate information, Z coordinate information；X-coordinate and the Y-coordinate information is that printhead is projected to the coordinate of transparency printing bottom plate
Information, Z coordinate information are elevation information of the printhead relative to transparency printing bottom plate；
Control system opens light detection area after the Z coordinate information change signal that printhead positioning system is sent is received
Light sensor in domain；The Z coordinate information change signal be printhead since transparency printing bottom position, first Z sit
Mark information changes caused signal；
Light sensor sends light change letter when detecting that the brightness value in light detection area domain exceedes predetermined luminance value
Number to control system；
Control system receives the light variable signal of light sensor transmission, controls printhead to stop by step actuator
Mobile and discharging.
Further, methods described includes step：
Control system exists when receiving the Z coordinate information change signal that printhead positioning system is sent according to printhead
The motion track of transparency printing bottom plate, printer model footprint information is obtained, and the light where open printing model footprint information is detectd
The light sensor surveyed in region；The printer model footprint information according to printhead transparency printing bottom plate X-coordinate information
Situation of change and Y-coordinate information change situation determine.
Further, methods described includes step：
It is pre- that control system judges whether the quantity of transmission ray variable signal to the light sensor of control system exceedes
If quantity, if then controlling printhead to stop mobile and discharging by step actuator, otherwise beaten by step actuator control
Print head continues to move to and discharged.
Further, methods described also includes step：
When control system controls mobile printhead stopping and discharging by step actuator, prompt message is sent.
Prior art is different from, the automatic interruption 3D printer described in such scheme continues the method for feed, methods described
Applied to the 3D printer with transparency printing bottom plate, MxN light detection area domain is provided with the transparency printing bottom plate, it is each
A light sensor is provided with light detection area domain, the light sensor is used for the brightness change letter of detection light detection area
Breath；It the described method comprises the following steps：Printhead positioning system detects the co-ordinate position information of current printhead, the coordinate bit
Confidence breath includes X-coordinate information, Y-coordinate information, Z coordinate information；X-coordinate and the Y-coordinate information is that printhead is projected to saturating
The coordinate information of bright printing bottom plate, Z coordinate information are elevation information of the printhead relative to transparency printing bottom plate；Control system exists
After receiving the Z coordinate information change signal that printhead positioning system is sent, the light sensor in light detection area domain is opened；Institute
State Z coordinate information change signal for printhead since transparency printing bottom position, Z coordinate information changes first when produce
Signal；Light sensor sends light change letter when detecting that the brightness value in light detection area domain exceedes predetermined luminance value
Number to control system；Control system receives the light variable signal of light sensor transmission, is controlled and printed by step actuator
Head stops mobile and discharging.The present invention can be become by detecting the light luminance between the bottom surface of printer model and printing bottom plate
Change, alice phenomenon occurs so as to judge whether the bottom surface of current printer model has, and printhead is controlled when alice phenomenon occurs
Stopping continues to discharge, so as to reach the purpose for saving material.
Brief description of the drawings
Fig. 1 is the bottom plate schematic diagram for the 3D printer that one embodiment of the invention is related to；
Fig. 2 is the bottom plate schematic diagram of the application process for the 3D printer that one embodiment of the invention is related to；
Fig. 3 is the flow chart for the method that the automatic interruption 3D printer that one embodiment of the invention is related to continues feed；
Description of reference numerals：
101st, bottom plate is printed；102nd, light sensor；103rd, light detection area domain；104th, printer model bottom surface；
Embodiment
To describe the technology contents of technical scheme, construction feature, the objects and the effects in detail, below in conjunction with specific reality
Apply example and coordinate accompanying drawing to be explained in detail.
Referring to Fig. 1, the invention provides a kind of 3D printer, including transparency printing bottom plate 101, the transparency printing bottom
MxN light detection area domain 103 is provided with plate 101, a light sensor 102 is provided with each light detection area domain 103.Will
Back-plane design is printed into transparent, when being advantageous to that brightness sends change in light detection area domain, light sensor can be carried out in time
Catch.The size and density in light detection area domain can be adjusted according to being actually needed.
The 3D printer also includes：
Printhead, it is arranged above transparency printing bottom plate, it is described for silk material to be fed to the extruder motor of heater
Extruder motor is stepper motor.Printhead generally includes extruder, and extruder includes the extruder motor with output gear,
Output gear engages with the silk material of printed material and drives forwards silk material in heating unit.Extruder motor can be appointed
The motor of what suitable type, such as the stepper motor controlled by step actuator.Heating unit is used to melt silk material, after heating
Silk material can be exported by the nozzle of printhead, then proceed by and successively print.
Printhead positioning system, for obtaining the co-ordinate position information of printhead, the co-ordinate position information includes X-coordinate
Information, Y-coordinate information, Z coordinate information；X-coordinate and the Y-coordinate information is that printhead is projected to the coordinate of transparency printing bottom plate
Information, Z coordinate information are elevation information of the printhead relative to transparency printing bottom plate.3D printer is to be based on cutting in print procedure
What piece was carried out, determined by computer according to three-dimensional computer model per a piece of path, i.e., per a piece of default changes in coordinates information.
In actual application, the co-ordinate position information of printhead constantly changes with the movement of printhead, thus printhead is determined
The co-ordinate position information of current printhead can be fed back to control system by position system in real time, so that control system knows "current" model
Printing progress, and the co-ordinate position information of current printhead.
Step actuator, its operation for being connected to the extruder motor and the extruder motor being controlled.Control
System processed is used for the change for the co-ordinate position information transmitted according to printhead positioning system, and the light of light sensor transmission
Variable signal, to control the operation of the step actuator.
In short, the co-ordinate position information that control system can be transmitted according to printhead positioning system, determines printer model
Footprint information, while in print procedure, the light variable signal that can be transmitted according to light sensor judges current printing
Whether the bottom surface of model, which has, occurs alice phenomenon.Light sensor detects script less than the light detection area domain of predetermined luminance value
When brightness becomes to be above predetermined luminance value, illustrate part light detection area domain (the i.e. bottom of printer model lived originally by material wire cover
Face, because being lived by material wire cover, covering the brightness value that the light detection area domain of part detects will come relative to what is do not covered
Secretly) there occurs alice phenomenon.When alice phenomenon occurs for the bottom surface for detecting printer model, control system will control printhead to stop
Only continue discharging (being then specifically that by step actuator extruder motor can be controlled to realize), material is saved so as to reach
Purpose.
In order to save power consumption, start to detect the opportunity of light change also for preferably determination light sensor, some
In embodiment, the control system includes sensor control circuit, and the sensor control circuit is used to receive printhead
After the Z coordinate information change signal that alignment system is sent, the light sensor in light detection area domain is opened；The Z coordinate information
Variable signal is printhead since transparency printing bottom position, Z coordinate information changes caused signal first.3D is beaten
The print procedure of print machine is successively to be printed, i.e. the printhead first mobile printing completed in the plane in X-Y plane,
Printhead Z coordinate information is adjusted again, and continues to print in the X-Y plane where the Z coordinate information in adjustment, Zhou Erfu
Begin, until model finally prints completion.This feature based on 3D printer, can be by printhead from transparency printing bottom position
Start, first Z coordinate information change caused by signal as need print model bottom surface printing completion mark.
Sensor control circuit opens the light level below light detection area domain after the completion of the printing of the bottom surface for the model for needing to print
Device, and then whether the brightness value in light detection area domain is detected by secretly brightening by light sensor, to judge the model to be printed
Bottom surface alice phenomenon whether occurs.By such scheme, it can determine that light sensor starts to detect light change well
Opportunity so that model bottom surface print after the completion of just proceed by whether the detection of alice, be on the one hand less likely to occur to judge by accident,
On the other hand power consumption is also saved.
In order to further reduce power consumption, in certain embodiments, the control system also includes master controller, the master control
Device processed is used for when sensor control circuit is used to receive the Z coordinate information change signal that printhead positioning system is sent,
According to printhead in the motion track of transparency printing bottom plate, printer model footprint information is obtained, and pass through sensor control electricity
The light sensor in light detection area domain where the open printing model footprint information of road；The printer model footprint information according to
Printhead determines in the X-coordinate information change situation and Y-coordinate information change situation of transparency printing bottom plate.In short, work as mould
After the bottom surface of type determines, light sensor below the light detection area domain that the bottom surface for opening model covered only is needed in fact i.e.
Can.The light sensor below light detection area domain not covered for the bottom surface of model, can select to be not turned on, so as to reach
Save the purpose of power consumption.Such as the triangle that the printer model bottom surface 201 in Fig. 2 is dash area, then sensor control circuit
The light sensor below the light detection area domain that the triangle is covered need to only be opened.
In certain embodiments, the light sensor is used to detect that it is default that the brightness value in light detection area domain exceedes
During brightness value, light variable signal is sent to control system.Control system is used for the light variable signal of light sensor transmission,
To control the operation of the step actuator to include：Control system is used for the light variable signal in light sensor transmission, leads to
Step actuator control extruder motor is crossed to be stopped.Preferably, the 3D printer also includes Tip element, control system
It is additionally operable to controlling extruder motor to be stopped by step actuator, prompt message is sent by the Tip element.Institute
Stating prompt message includes information of voice prompt, picture cues information, visual prompts information, light cue information etc..Pass through prompting
Information can inform the bottom surface of user's "current" model there occurs alice phenomenon, and in order to avoid continuing to waste material silk, printer has stopped
Only continue to discharge, so that user takes measures to be solved.Such as user can remove the model of scrapping for forming part before
Go out and print bottom plate, then reset the printing for opening a new round.
In actual application, when the density in light detection area domain is larger, tilted if the bottom surface of model is simply pico-,
The overall printing of top model is not interfered with, whereas if the bottom surface of model substantially tilts, continues printing and then very may be used
Whole printer model can be caused to scrap, it is contemplated that both situation, in certain embodiments, the control system are additionally operable to judge
Whether the light sensor quantity of transmission ray variable signal exceedes predetermined number, is extruded if then being controlled by step actuator
Electromechanical machine is stopped, and otherwise step actuator control extruder motor is not stopped.In short, the variable signal that emits beam
Illustrate the light sensor below a certain light detection area domain, detect a part for the model bottom surface for being covered in the light detection area domain
Tilt, and if the light sensor quantity of transmission ray variable signal exceedes predetermined number, then illustrate now model
Bottom surface has had greatly to be tilted to be printed, it is necessary to terminate printhead at once and continue discharging, in order to avoid cause to expect silk
A large amount of losses, thus by step actuator extruder motor will be controlled to be stopped.
Referring to Fig. 3, continue the flow of the method for feed for the automatic interruption 3D printer that one embodiment of the invention is related to
Figure.The 3D printer includes transparency printing bottom plate, printhead, printhead positioning system, step actuator, control system；Institute
State and MxN light detection area domain is provided with transparency printing bottom plate, a light sensor, institute are provided with each light detection area domain
State the brightness change information that light sensor is used for detection light detection area；It the described method comprises the following steps：
Initially enter the co-ordinate position information that step S301 printhead positioning systems detect current printhead, the coordinate bit
Confidence breath includes X-coordinate information, Y-coordinate information, Z coordinate information；X-coordinate and the Y-coordinate information is that printhead is projected to saturating
The coordinate information of bright printing bottom plate, Z coordinate information are elevation information of the printhead relative to transparency printing bottom plate；
Then enter step S302 control systems in the Z coordinate information change signal for receiving printhead positioning system and sending
Afterwards, the light sensor in light detection area domain is opened；The Z coordinate information change signal is printhead from transparency printing bottom position
Put beginning, Z coordinate information changes caused signal first；
Then enter step S303 light sensors and detecting that the brightness value in light detection area domain exceedes predetermined luminance value
When, light variable signal is sent to control system；
Then enter the light variable signal that step S304 control systems receive light sensor transmission, pass through stepper drive
Device control printhead stops mobile and discharging.
It is of the invention to determine whether the bottom surface of current printer model prints by detecting the change of the Z coordinate information of printhead
Complete, and in the case where the printing of the bottom surface of printer model is completed, open the light below the light detection area domain of transparency printing bottom plate
Detection sensor, if light sensor detects that the brightness value in light detection area domain exceedes predetermined luminance value, illustrate originally by mould
The light detection area domain that type bottom surface covers by secretly brightening, i.e., the bottom surface of model relative to printing bottom plate there occurs alice phenomenon, now
Control system will control printhead to stop mobile and discharging by step actuator, so as to reach the purpose for saving material.
In certain embodiments, methods described includes step：Control system is in the Z for receiving printhead positioning system and sending
During coordinate information variable signal, according to printhead in the motion track of transparency printing bottom plate, printer model footprint information is obtained, and
The light sensor in light detection area domain where open printing model footprint information；The printer model footprint information is according to beating
The X-coordinate information change situation and Y-coordinate information change situation for printing head in transparency printing bottom plate determine.In short, work as model
Bottom surface determine after, only need to open light sensor below the light detection area domain that is covered of bottom surface of model in fact i.e.
Can.The light sensor below light detection area domain not covered for the bottom surface of model, can select to be not turned on, so as to reach
Save the purpose of power consumption.
In certain embodiments, methods described includes step：Control system judges that transmission ray variable signal extremely controls
Whether the quantity of the light sensor of system exceedes predetermined number, if then controlling printhead to stop movement by step actuator
And discharging, otherwise control printhead to continue to move to and discharge by step actuator.In short, the variable signal explanation that emits beam
Light sensor below a certain light detection area domain, detect the part generation for the model bottom surface for being covered in the light detection area domain
Tilt, and if the light sensor quantity of transmission ray variable signal exceedes predetermined number, then illustrate the bottom surface of now model
Have greatly to be tilted and printed, it is necessary to terminate printhead at once and continue discharging, in order to avoid cause to expect a large amount of of silk
Loss, thus by step actuator extruder motor will be controlled to be stopped.
In certain embodiments, methods described includes step：Control system controls printhead to stop by step actuator
During mobile and discharging, prompt message is sent.The prompt message includes information of voice prompt, picture cues information, visual prompts
Information, light cue information etc..The bottom surface of user's "current" model can be informed there occurs alice phenomenon by prompt message, in order to
Avoid continuing to waste material silk, printer has stopped continuing to discharge, so that user takes measures to be solved.Such as user can incite somebody to action
The model of scrapping for forming part before removes out printing bottom plate, then resets the printing for opening a new round.
It should be noted that the foregoing is only embodiments of the invention, those skilled in the art once know this
The basic creative concept of invention, then other change and modification can be made to these embodiments, so while herein
Through the various embodiments described above are described, but the scope of patent protection of the present invention is not thereby limited, it is every to utilize the present invention
The equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, or directly or indirectly it is used in other related technologies
Field, similarly it is included within the scope of patent protection of the present invention.
Claims (4)
- A kind of 1. automatic method interrupted 3D printer and continue feed, it is characterised in that the 3D printer includes transparency printing Bottom plate, printhead, printhead positioning system, step actuator, control system；MxN are provided with the transparency printing bottom plate Light detection area domain, a light sensor is provided with each light detection area domain, and the light sensor is detected for detection light The brightness change information in region；It the described method comprises the following steps：Printhead positioning system detects the co-ordinate position information of current printhead, the co-ordinate position information include X-coordinate information, Y-coordinate information, Z coordinate information；X-coordinate and the Y-coordinate information is that printhead is projected to the coordinate information of transparency printing bottom plate, Z coordinate information is elevation information of the printhead relative to transparency printing bottom plate；Control system is opened in light detection area domain after the Z coordinate information change signal that printhead positioning system is sent is received Light sensor；The Z coordinate information change signal be printhead since transparency printing bottom position, first Z coordinate believe Cease the caused signal that changes；Light sensor sends light variable signal extremely when detecting that the brightness value in light detection area domain exceedes predetermined luminance value Control system；Control system receives the light variable signal of light sensor transmission, controls printhead to stop movement by step actuator And discharging.
- 2. the automatic method interrupted 3D printer and continue feed as claimed in claim 1, it is characterised in that methods described includes Step：Control system is when receiving the Z coordinate information change signal that printhead positioning system is sent, according to printhead transparent The motion track of bottom plate is printed, obtains printer model footprint information, and the light detection area where open printing model footprint information Light sensor in domain；The printer model footprint information according to printhead transparency printing bottom plate X-coordinate information change Situation and Y-coordinate information change situation determine.
- 3. the automatic method interrupted 3D printer and continue feed as claimed in claim 1, it is characterised in that methods described includes Step：Control system judges whether the quantity of transmission ray variable signal to the light sensor of control system exceedes present count Amount, if then controlling printhead to stop mobile and discharging by step actuator, printhead is otherwise controlled by step actuator Continue to move to and discharge.
- 4. the method that the automatic interruption 3D printer as described in any one of claims 1 to 3 continues feed, it is characterised in that institute Stating method also includes step：When control system controls mobile printhead stopping and discharging by step actuator, prompt message is sent.
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| CN201711289446.0A CN107775953B (en) | 2017-12-07 | 2017-12-07 | Method for automatically interrupting continuous feeding of 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711289446.0A CN107775953B (en) | 2017-12-07 | 2017-12-07 | Method for automatically interrupting continuous feeding of 3D printer |
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| CN107775953A true CN107775953A (en) | 2018-03-09 |
| CN107775953B CN107775953B (en) | 2020-01-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976145A (en) * | 2020-07-16 | 2020-11-24 | 厦门理工学院 | Automatic shutdown method and device for 3D printer model falling off |
| CN113695600A (en) * | 2021-08-11 | 2021-11-26 | 电子科技大学 | 3D prints intelligent bottom plate |
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| KR20170100386A (en) * | 2016-02-24 | 2017-09-04 | 경남대학교 산학협력단 | Three demension printer |
| WO2017163000A1 (en) * | 2016-03-23 | 2017-09-28 | Sony Interactive Entertainment Inc. | 3d printing system |
| US20170341300A1 (en) * | 2016-05-26 | 2017-11-30 | Wisconsin Alumni Research Foundation | Additive Manufacturing Process Continuous Reinforcement Fibers And High Fiber Volume Content |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170100386A (en) * | 2016-02-24 | 2017-09-04 | 경남대학교 산학협력단 | Three demension printer |
| WO2017163000A1 (en) * | 2016-03-23 | 2017-09-28 | Sony Interactive Entertainment Inc. | 3d printing system |
| US20170341300A1 (en) * | 2016-05-26 | 2017-11-30 | Wisconsin Alumni Research Foundation | Additive Manufacturing Process Continuous Reinforcement Fibers And High Fiber Volume Content |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976145A (en) * | 2020-07-16 | 2020-11-24 | 厦门理工学院 | Automatic shutdown method and device for 3D printer model falling off |
| CN113695600A (en) * | 2021-08-11 | 2021-11-26 | 电子科技大学 | 3D prints intelligent bottom plate |
| CN113695600B (en) * | 2021-08-11 | 2022-06-07 | 电子科技大学 | 3D prints intelligent bottom plate |
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| CN107775953B (en) | 2020-01-07 |
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