CN107672156B - A kind of stagewise annular of 3 D-printing scans device - Google Patents
A kind of stagewise annular of 3 D-printing scans device Download PDFInfo
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- CN107672156B CN107672156B CN201710805997.1A CN201710805997A CN107672156B CN 107672156 B CN107672156 B CN 107672156B CN 201710805997 A CN201710805997 A CN 201710805997A CN 107672156 B CN107672156 B CN 107672156B
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- outlet terminal
- level
- annular
- stagewise
- scans
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Abstract
The present invention relates to a kind of stagewise annulars of 3 D-printing to scan device, belongs to rapid shaping technique field.It includes rack and rack-mounted outlet terminal, the annular scanner of classification of scanning with for exporting the mobile lateral walking mechanism of two-dimensional surface, and the annular scanner of classification includes level-one rotating mechanism, second level rotating mechanism and the mounting base being mounted on the displacement output end of lateral walking mechanism；Level-one rotating mechanism includes the runing rest being installed in rotation in mounting base and the level-one rotating driver for driving runing rest to rotate, and second level rotating mechanism includes the second level rotating driver being mounted on the pivoted arm of runing rest；It scans outlet terminal to be mounted on the rotary output axis of second level rotating driver, the lower surface arrangement for scanning outlet terminal has the more than one print head for deviateing its rotation axis.It is classified scanner by setting, the printing precision of Surface Shape of 3-D Object structure can be improved, can be widely used in rapid shaping technique field.
Description
Technical field
The present invention relates to rapid shaping technique fields, specifically, the stagewise annular for being related to a kind of 3 D-printing is scanned
Device and its scan method.
Background technique
3 D-printing is being commonly called as increases material manufacturing technology, it according to three Dimensional CAD Design data, using dispersed material (liquid,
Powder, silk, piece, plate, block etc.) successively adding up manufactures the technology of object.Relative to traditional material removing method, material molding side
Formula, 3 D-printing are a kind of manufacturing process of material addition from bottom to top, gradually develop since the 1980s, are also claimed
For rapid shaping, Layered manufacturing etc..
To print three-dimension object, three-dimensional printer need to drive its print head to do three-dimensional space motion with respect to rack, usually
It is based on the linear motion synthesis in tri- axial direction of X-Y-Z.Wherein, Z-motion for realizing part slicing layer conversion, with according to
Each layer of secondary processing part；It is processed by print head in the mobile realization section of X axis and Y-axis.
But in actual production practice, many products are curved-surface structure, such as crankshaft, thin-walled revolving meber etc..Existing three-dimensional
Printer needs to carry out continuous poor complementary operation by computer when printing these curved-surface structures, when being printed by face or
When curve is more complex, not only calculation amount is very big, and the curvilinear surface printed is as made of multiple minimum straightway fittings
Polygon；In addition, curved-surface structure serious distortion can be led to the problem of when processing circular diameter difference very little inside and outside section, thus
Cause the quality of the three-dimension object printed relatively low.
Summary of the invention
The object of the present invention is to provide a kind of stagewise annulars of 3 D-printing to scan device, bent in three-dimension object to improve
The print quality of shape structure.
To achieve the goals above, stagewise annular provided by the invention scans device and includes rack and be mounted on the rack
Scan outlet terminal, be classified annular scanner with for exporting the mobile lateral walking mechanism of two-dimensional surface, classification annular
Scanner includes mounting base, level-one rotating mechanism and second level rotating mechanism, and mounting base is mounted on the displacement of lateral walking mechanism
On output end；Level-one rotating mechanism include the runing rest being installed in rotation in mounting base and for drive runing rest turn
Dynamic level-one rotating driver, second level rotating mechanism include the second level rotating driver being mounted on the pivoted arm of runing rest；One
The Plane of rotation of grade rotating mechanism is parallel with the Plane of rotation of second level rotating mechanism；It scans outlet terminal and is mounted on second level rotation
On the rotary output axis of driver, the connection scanned between outlet terminal and the rotary output axis can be to be directly fixedly connected, can also
It is indirectly connected with by the realization of other mechanisms, for example selects both three-level rotating mechanism and/or the connection of straight-line displacement output mechanism, swept
The lower surface arrangement for plunderring outlet terminal has the more than one print head for deviateing its rotation axis.
By being arranged between displacement output end and the print head of lateral walking mechanism by rotary drive mechanism more than two-stage,
To make print head in the process of printing a three-dimensional object, not only rectilinear print can be exported under the driving of lateral walking mechanism
Track, and arching trajectory can be exported under the wherein driving of level-one rotating driver, and can be in lateral walking mechanism and level-one
The common driving of above rotating driver is lower and exports complicated curvilinear path, so that bends in three-dimension object can be improved
Print quality.Further, since each rotation driving its constitute a polar coordinates, compared with the prior art in rectangular co-ordinate
System can efficiently reduce amount of calculation when printing the curvilinear paths such as arching trajectory.
Specific scheme is straight-line guide rail slide block mechanism of the second level rotating driver by the length direction arrangement along pivoted arm
It is slidably mounted on pivoted arm, and is equipped between pivoted arm and second level rotating driver and second level rotating driver is pushed to lead along straight line
The actuator of rail sliding.The shaft of second level rotating driver and the rotary shaft of runing rest can be changed by the driving of actuator
Spacing between line changes the radius of turn for scanning the rotation axis of outlet terminal, thus applicable a variety of radius of curvature
The printing of curvilinear path.
Another specific scheme is that scan outlet terminal include the material storing box for storing moulding material, scans output eventually
End is equipped with multiple print heads, and the shut-off valve for opening and closing feeding passage between the two is equipped between material storing box and each print head.It is logical
The working condition for controlling different shut-off valves is crossed, print job is carried out selectively to open a wherein print head, is beaten to change
Head is printed around the radius of turn of the shaft of second level rotating driver, to print the curvilinear path of different curvature radius.
More specific scheme is to scan the lower surface of outlet terminal to be equipped with multiple spaced apart along its length beat
Head is printed, outlet terminal is scanned and is centrosymmetrically arranged about its rotation axis.Have to balance second level rotating driver circumferential direction load
Stablize output conducive to course of work displacement.
Another specific scheme is centrosymmetrically arranged for runing rest about its rotation axis, and in its rotation axis two
Side is respectively equipped with one and scans outlet terminal.With the load of balance rotating bracket and lateral walking mechanism during the work time, have
Stablize output conducive to displacement.
Another specific scheme is that rotating driver includes mounting shell and the steering engine that is mounted in mounting shell, steering engine it is defeated
It is installed with upper flange on shaft, runing rest is fixedly connected down with being equipped in the rotary shaft for scanning outlet terminal with upper flange
Flange is set with thrust bearing between rotary shaft and mounting shell.It can be by the angle displacement sensor entrained by steering engine itself to defeated
The detection data of Shaft angle is exported to control unit out, and effectively improves the precision of swing offset output.
One preferred scheme be lateral walking mechanism include first straight line motor, second straight line motor, the first guide rod and
Second guide rod, the stator both ends of first straight line motor can laterally slidably be mounted on rack along first by the first guide rod respectively
On, the stator both ends of second straight line motor can be laterally slidably mounted on the rack respectively by the second guide rod along second, the
One is laterally laterally mutually orthogonal with second；The mover output of first straight line motor is along the second lateral displacement and power, second straight line electricity
The mover output of machine is along the first lateral displacement and power, and the mover of two linear motors is mutually fixedly connected with the lateral walking mechanism of composition
Displacement output end.
Preferred scheme is that the stator of linear motor is fixed on the supporting plate, and the both ends of support plate are installed with support ear
Seat, support ear mount are equipped with the slide opening matched with guide rod.
Another preferred scheme is that the control unit that stagewise annular scans device includes processor and memory, storage
Device is stored with computer program, and following steps are able to achieve when computer program is executed by processor:
Curvilinear path printing step, by the cooperation of lateral walking mechanism and the annular scanner of classification, and selectively
The print head scanned on outlet terminal is opened, by the curve rail in the mathematical model printing slicing layer of three-dimension object to be printed
Mark part；
Straight path printing step, the straight-line displacement exported by lateral walking mechanism, and selectively open scan it is defeated
A print head in terminal out, by the straight path part in mathematical model printing slicing layer.
Preferred scheme is when the quantity for scanning outlet terminal is two or more, in curvilinear path printing step and straight line
In the printing step of track, control rotation axis the scan outlet terminal nearest apart from print area carries out print job.To reduce
Displacement in print procedure.
Detailed description of the invention
Fig. 1 is the schematic front view that stagewise annular scans device in the embodiment of the present invention；
Fig. 2 is the schematic top plan view that stagewise annular scans device in the embodiment of the present invention；
Fig. 3 is the side view of lateral walking mechanism in the embodiment of the present invention；
Fig. 4 is the main view that annular scanner is classified in the embodiment of the present invention after omitting second level rotating driver；
Fig. 5 is the schematic front view of output in the embodiment of the present invention；
Fig. 6 is the work flow diagram that printing three-dimension object is carried out using the embodiment of the present invention.
Specific embodiment
With reference to embodiments and its attached drawing the invention will be further described.
Embodiment
Referring to Fig. 1 to Fig. 3, stagewise annular of the present invention scans device and includes control unit, rack and be mounted on the rack
It is upper and control by control unit lateral walking mechanism, classification annular scanner and scan outlet terminal.Lateral walking mechanism
Including first walking mechanism 2 and the second walking mechanism 3, being classified annular scanner includes level-one rotating mechanism and second level whirler
Structure, scanning outlet terminal includes first scanning outlet terminal 7 and second and scanning outlet terminal 8, and rack includes for installing transverse direction
The bracket of walking mechanism and print platform for carrying three-dimension object to be printed.It in the present embodiment, can be flat by that will print
Platform is arranged on elevating mechanism, realizes three-dimensional to push the relatively transverse walking mechanism of print platform to move up and down slicing layer thickness
The printing of object in the height direction；Lateral walking mechanism can also be arranged to be mounted on the rack by elevating mechanism, and it is real
Now movement of the displacement output end of lateral walking mechanism relative to print platform in the height direction, i.e., the displacement of lateral walking mechanism
Output end does the mobile printing to be able to achieve three-dimension object of three-dimensional space relative to print platform.
First walking mechanism 2 includes support guide rod 201, support guide rod 202, the first support plate 21 and first straight line motor,
Two support guide rods are mounted on the rack along X axis arrangement, and the length direction of the first support plate 21 is arranged along Y-axis；The
One linear motor includes the bar shaped stator 22 being mounted in the first support plate 21 and can be along the mover of Y-axis output displacement and power
23；The both ends of first support plate 21 are installed with support ear mount 211 and support ear mount 212 respectively, and support ear mount 211 can be along X axis
It being slidably sleeved in support guide rod 201, support ear mount 212 can be slidably sleeved in support guide rod 202 along X axis, thus
Move back and forth first straight line motor can along X axis.
Second walking mechanism 3 includes support guide rod 301, support guide rod 302, the second support plate 31 and second straight line motor,
Two support guide rods are mounted on the rack along Y-axis arrangement, and the length direction of the second support plate 31 is arranged along X axis；The
Two linear motors include the bar shaped stator 32 being mounted in the second support plate 31 and can be along the movers of X axis output displacement and power
33；The both ends of second support plate 31 are installed with support ear mount 311 and support ear mount 312 respectively, and support ear mount 311 can be along Y-axis
It being slidably sleeved in support guide rod 301, support ear mount 312 can be slidably sleeved in support guide rod 302 along Y-axis, thus
Move back and forth second straight line motor can along Y-axis.Wherein, the first lateral, Y-axis composition that X axis is constituted in the present embodiment
Second in the present embodiment is lateral, i.e., first is laterally laterally mutually orthogonal with second.
Mover 23 is fixedly connected with and constitutes the displacement output end of lateral walking mechanism with mover 33, as shown in Fig. 2, when first
When linear motor parking and the work of second straight line motor, first straight line motor will be pushed to move with displacement output end along X axis；When
When the parking of second straight line motor and the work of first straight line motor, second straight line motor and displacement output end will be pushed to move along Y-axis
It is dynamic；When two linear motors cooperate, two-dimensional surface motion profile will be coupled out in X-Y plane, i.e., lateral vehicle with walking machine
The displacement output end of structure will export two-dimensional surface movement during the work time and push the classification ring being mounted on displacement output end
Two-dimensional surface movement is done with outlet terminal is scanned in X-Y plane by shape scanner.
Referring to Fig. 1 to Fig. 4, level-one rotating mechanism includes runing rest 50 and for driving runing rest 50 around the shaft 500
The level-one rotating driver 4 of rotation.Level-one rotating driver 4 include upper housing 41, lower case 42, steering engine 43, upper flange 44, under
Flange 45 and thrust bearing 46.Upper housing 41 is removably secured by bolt 401 with lower case 42 and is connect, and constitutes this implementation
For installing level-one rotating mechanism to the mounting base on the displacement output end of lateral walking mechanism in example, upper flange 44 is fixed on
On the output shaft 430 of steering engine 43, lower flange 45 is installed in the shaft 500 of runing rest 50, upper flange 44 and lower flange 45 are logical
It crosses bolt and is removably secured connection, thrust bearing 46 is set between shaft 500 and lower case 42.Steering engine 43 is rotated in driving
During bracket 50 is rotated around rotation axis, the included angle displacement sensor of steering engine 43 will be exported to control unit with corner
The data such as size, rate are monitored.
Referring to Fig. 5, the structure for scanning outlet terminal is illustrated so that first scans the structure of outlet terminal 7 as an example, the
One to scan outlet terminal 7 include the material storing box 70 for storing moulding material, and material storing box 70 is strip structure, is scanned first
It is installed with multiple print heads 72 spaced apart along its length on the lower surface of outlet terminal 7, in the present embodiment, selects
For printing nozzle as print head 72, moulding material in the material storing box 70 is heated at passing through feeding passage after molten condition from every
The printing that three-dimension object is realized in a extrusion to print platform of print head 72, can also store liquid condition shaping in the material storing box 70
Material, the liquid condition shaping material are printed by feeding passage from the extrusion of print head 72, and by being arranged in feeding passage
Its shut-off valve is opened and closed, that is, can reach and selectively start wherein one or more print heads 72 progress print job.
Control unit includes processor and memory, and memory is stored with computer program, and the computer program is processed
Device is able to achieve pre-determined bit step S1, curvilinear path printing step S2 and straight path printing step as shown in FIG. 6 when executing
S34, to realize that scanning device 1 using this stagewise annular carries out printing three-dimension object.
It is pre-positioned step S1, according to the phase between the mathematical model of three-dimension object to be printed and print platform and displacement output end
To position, controls lateral walking mechanism and its displacement output end is driven to run to the central position positioned at print area.
Before starting printing, printed material is loaded into annular and is scanned in the material storing box 70 of outlet terminal, first straight line electricity
Translation gliding is to preset distance on guide rod for drive displacement output end simultaneously with second straight line motor for machine, so that the rotation of runing rest
Shaft axis is in working region middle.Two second level servo driving two are scanned the parallel arrangement of outlet terminal, and guaranteeing should
Outlet terminal moving direction is scanned perpendicular to annular in direction.Working region is divided into tri- regions A, B, C as shown in Figure 1.
Judge to be sliced in front of layer cross section and whether have curved profile, curvilinear path printing step S2 is executed if having, if without
Execute straight path printing step S3.
Curvilinear path printing step S2 by the cooperation of lateral walking mechanism and the annular scanner of classification, and has selection
The print head 72 scanned on outlet terminal is opened on ground, by the song in the mathematical model printing slicing layer of three-dimension object to be printed
Line tracking part.
All nozzles are closed, judge which region the curved profile center is in.If center falls in the area A, drive from the area A most
The rotation axis of close second level rotating mechanism is moved to right above the center, and second level servo driving scans outlet terminal rotation later
Movement often turns an angle while opening nozzle to be worked and being closed idle nozzle；If center falls in the area B, driving
The rotation axis of level-one rotating mechanism is moved to right above the center, and level-one servo driving runing rest 50 makes rotating motion, often
It turns an angle while opening nozzle to be worked and being closed idle nozzle；If center falls in the area C, drive from the area C most
The rotation axis of close second level rotating mechanism is moved to right above the center, and second level servo driving scans outlet terminal rotation later
Movement often turns an angle while opening nozzle to be worked and being closed idle nozzle.Stagewise annular scans device
Method is looped to determine and is worked like this, until curved path portion printing is completed.
Straight path printing step S3, the straight-line displacement exported by lateral walking mechanism, and selectively described in unlatching
A print head on outlet terminal is scanned, by the straight path part in mathematical model printing slicing layer.
Lateral walking mechanism driven sweep outlet terminal towards moving direction translational motion, while open nozzle to be worked and
It is closed idle nozzle, the nozzle of unlatching squeezes out printed material.
Device is scanned based on above-mentioned stagewise annular, ensure that for the profile printing of curve and circular arc be all primary complete
At raising printing precision and printing effect；More spray heads can be achieved to print parallel, greatly improve working efficiency and control flexibility；
The composite printing of rectangular coordinate system and polar coordinate system can be achieved；In the case where identical structure size, print space is obtained significantly
Promotion.When conditions permit, print area can be increased by increasing the length of guide post, there is the space of upgrading；
Whole system structure is simple, and control mode is flexible, it is easy to accomplish control and reduction manufacturing cost.
Claims (10)
1. a kind of stagewise annular of 3 D-printing scans device, which is characterized in that including rack and be mounted on the rack
Scan outlet terminal, be classified annular scanner with for exporting the mobile lateral walking mechanism of two-dimensional surface, the classification
Annular scanner includes mounting base, level-one rotating mechanism and second level rotating mechanism, and the mounting base is mounted on the lateral line
It walks on the displacement output end of mechanism；
The level-one rotating mechanism includes the runing rest being installed in rotation in the mounting base and for driving the rotation
Turn the level-one rotating driver of holder pivots, the second level rotating mechanism includes two be mounted on the pivoted arm of the runing rest
Grade rotating driver, the Plane of rotation of the level-one rotating mechanism are parallel with the Plane of rotation of the second level rotating mechanism；
The outlet terminal that scans is mounted on the rotary output axis of the second level rotating driver, and its lower surface arrangement has one
A above print head for deviateing its rotation axis.
2. stagewise annular according to claim 1 scans device, it is characterised in that:
The second level rotating driver by along the pivoted arm length direction arrangement straight-line guide rail slide block mechanism slideably
It is mounted on the pivoted arm, and is equipped between the pivoted arm and the second level rotating driver and pushes the second level rotating driver
Along the actuator of linear guide sliding.
3. stagewise annular according to claim 1 scans device, it is characterised in that:
The outlet terminal that scans includes the material storing box for storing moulding material, and the outlet terminal that scans is equipped with multiple institutes
Print head is stated, the shut-off valve for opening and closing feeding passage between the two is equipped between the material storing box and each print head.
4. stagewise annular according to claim 3 scans device, it is characterised in that:
The lower surface for scanning outlet terminal is equipped with multiple print heads spaced apart along its length, described to sweep
Outlet terminal is plunderred to be centrosymmetrically arranged about its rotation axis.
5. stagewise annular according to claim 1 scans device, it is characterised in that:
The runing rest is centrosymmetrically arranged about its rotation axis, and is respectively equipped with described in one in its rotation axis two sides
Scan outlet terminal.
6. stagewise annular according to claim 1 scans device, it is characterised in that:
Rotating driver includes mounting shell and the steering engine that is mounted in the mounting shell, is installed on the output shaft of the steering engine
The laxative remedy being fixedly connected with the upper flange is equipped in flange, the runing rest and the rotary shaft for scanning outlet terminal
Orchid is set with thrust bearing between rotary shaft and the mounting shell.
7. scanning device to stagewise annular described in any one of 6 claims according to claim 1, it is characterised in that:
The transverse direction walking mechanism includes first straight line motor, second straight line motor, the first guide rod and the second guide rod, and described first
The stator both ends of linear motor can be laterally slidably mounted on the rack respectively by first guide rod along first, institute
The stator both ends for stating second straight line motor can laterally slidably be mounted on the machine along second by second guide rod respectively
On frame, described first is laterally laterally mutually orthogonal with described second；
The mover output of the first straight line motor is along the described second lateral displacement and power, the mover of the second straight line motor
It exports along the described first lateral displacement and power, and the mover of two linear motors is mutually fixedly connected and constitutes the lateral walking mechanism
Displacement output end.
8. stagewise annular according to claim 7 scans device, it is characterised in that:
The stator of linear motor is fixed on the supporting plate, and the both ends of the support plate are installed with support ear mount, the support ear mount
It is equipped with the slide opening matched with guide rod.
9. scanning device to stagewise annular described in any one of 6 claims according to claim 1, which is characterized in that described
The control unit that stagewise annular scans device includes processor and memory, and the memory is stored with computer program, institute
It states when computer program is executed by the processor and is able to achieve following steps:
Curvilinear path printing step passes through the lateral walking mechanism and the cooperation for being classified annular scanner, Ji Youxuan
Open the print head scanned on outlet terminal with selecting, by the mathematical model printing slicing layer of three-dimension object to be printed
Curved path portion；
Straight path printing step is swept by the straight-line displacement of the lateral walking mechanism output, and selectively described in unlatching
A print head on outlet terminal is plunderred, by the straight path part in mathematical model printing slicing layer.
10. stagewise annular according to claim 9 scans device, it is characterised in that:
When the quantity for scanning outlet terminal is more than two, in the curvilinear path printing step and the straight path
In printing step, control rotation axis the scan outlet terminal nearest apart from print area carries out print job.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710805997.1A CN107672156B (en) | 2017-09-08 | 2017-09-08 | A kind of stagewise annular of 3 D-printing scans device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805997.1A CN107672156B (en) | 2017-09-08 | 2017-09-08 | A kind of stagewise annular of 3 D-printing scans device |
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| CN107672156A CN107672156A (en) | 2018-02-09 |
| CN107672156B true CN107672156B (en) | 2019-05-17 |
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| CN201710805997.1A Active CN107672156B (en) | 2017-09-08 | 2017-09-08 | A kind of stagewise annular of 3 D-printing scans device |
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| CN111497239A (en) * | 2020-04-16 | 2020-08-07 | 杭州喜马拉雅信息科技有限公司 | Multi-material forming device for three-dimensional spraying printing |
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|---|---|---|---|---|
| US7291002B2 (en) * | 2003-05-23 | 2007-11-06 | Z Corporation | Apparatus and methods for 3D printing |
| CN103786342A (en) * | 2014-01-10 | 2014-05-14 | 康子纯 | 3D (three-dimensional) printer with inclinable machine body |
| CN105479743A (en) * | 2014-10-07 | 2016-04-13 | 施乐公司 | System and method for operating a three-dimensional printer to compensate for radial velocity variations |
| CN205989515U (en) * | 2016-06-12 | 2017-03-01 | 湖北工业大学 | A kind of many shower nozzles 3D printer |
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- 2017-09-08 CN CN201710805997.1A patent/CN107672156B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7291002B2 (en) * | 2003-05-23 | 2007-11-06 | Z Corporation | Apparatus and methods for 3D printing |
| CN103786342A (en) * | 2014-01-10 | 2014-05-14 | 康子纯 | 3D (three-dimensional) printer with inclinable machine body |
| CN105479743A (en) * | 2014-10-07 | 2016-04-13 | 施乐公司 | System and method for operating a three-dimensional printer to compensate for radial velocity variations |
| CN205989515U (en) * | 2016-06-12 | 2017-03-01 | 湖北工业大学 | A kind of many shower nozzles 3D printer |
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