CN105252778A - Gantry type 3D printer - Google Patents
Gantry type 3D printer Download PDFInfo
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- CN105252778A CN105252778A CN201510830232.4A CN201510830232A CN105252778A CN 105252778 A CN105252778 A CN 105252778A CN 201510830232 A CN201510830232 A CN 201510830232A CN 105252778 A CN105252778 A CN 105252778A
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Abstract
The invention discloses a gantry type 3D printer. The gantry type 3D printer comprises an outer shell, a platform mechanism, an X-axis moving mechanism, a Y-axis moving mechanism and a wire feeding mechanism. The platform mechanism comprises a first motor, a lead screw, a vertical pillar and a platform. The X-axis moving mechanism comprises a first linear guide rail, a second linear guide rail, a first sliding block, a second sliding block, a first arc rack group, a first supporting seat and a second motor. The Y-axis moving mechanism comprises a third linear guide rail, a third sliding block, a third motor, a second arc rack group, a second supporting seat, a first supporting leg and a second supporting leg. The first arc rack group and the second arc rack group each comprise an arc rack, two single plates, cylindrical roller pins and a flange disc, wherein the two single plates are connected with the first flange disc, the cylindrical roller pins are matched with through holes in the two single plates through an angular contact bearing, and the curved surfaces of the cylindrical roller pins are engaged with the toothed outline of the arc rack. As the arc rack groups are arranged, stable transmission is achieved, and the printer is high in printing accuracy and high in printing speed.
Description
Technical field
The present invention relates to a kind of printing device, be specifically related to a kind of planer-type 3D printer.
Background technology
3D printing technique designs a model as source with Computerized three-dimensional, with software by its discrete resolve into some layer planes section, then utilize the mode such as laser beam, hot melt nozzle successively to be piled up by the materials such as Powdered, aqueous or thread metal, pottery, plastics, cell tissue by numerical control molding system to cohere, final superposition is shaping, produces entity products.3D printer is the Core equipment that 3D prints, and it is the complicated electro-mechanical system integrating machinery, control and computer technology etc., primarily of subsystem compositions such as high-accuracy mechanical system, digital control system, spraying system and shaping environment.Contrary with traditional manufacture " subtracting material manufacturing technology ", what 3D printing was deferred to is addition rule, namely principle " is successively superposed ", no longer need traditional cutter, fixture and lathe, just can realize integrated manufacturing system (IMS), thus significantly reduce production cost and shorten the process-cycle, improve the utilization rate of raw material and the energy, decrease the impact on environment, and can realize manufacturing and designing of complex structure product, the density of shaped article is also more even.
Different types of rapid prototyping system is because of moulding material difference used, and Forming Theory and system features are also had nothing in common with each other.But be all based on discrete dynamics models principle, i.e. Layered manufacturing, the method successively superposed.Its basic procedure is: first use computer software design threedimensional model, then discrete for three-dimensional digital model be face, line and point, then by 3D printing device layer, finally become a three-dimensional material object.The printed ratio of 3D is built a house and lid pyramid from level to level, unlike, building a house is complete under the operation of people, increases material manufacture and carries out under control of the computer.
It is not high to there is printing precision in current 3D printing device, the problem that print speed is slow.Existing 3D printer three-dimensional motion is mainly based on Timing Belt, involute rack, and these Parts Purchasings are convenient, but transmission process is unstable, and precision is not high, has backhaul gap, easily occurs hysteresis.
Summary of the invention
The object of the present invention is to provide a kind of planer-type 3D printer, the transmission of this 3D printer is not only steady, and rapidly, therefore has printing precision high, the feature that print speed is fast.
The technical solution adopted in the present invention is:
A kind of planer-type 3D printer, comprise shell, platform mechanism, X-axis travel mechanism, Y-axis moving mechanism and wire feeder, described platform mechanism, X-axis travel mechanism, Y-axis moving mechanism and wire feeder are placed in shell;
Described platform mechanism comprises the first motor, screw mandrel, column and platform, and the first motor is connected with screw mandrel, and screw mandrel is connected with platform by screw rod bushing; Described column is fixing in the enclosure, and is connected with platform by bearing; First driven by motor screw mandrel motion, thus platform is moved up and down;
Described X-axis travel mechanism comprises the first line slideway, the second line slideway, the first slide block, the second slide block, the first arc-shaped rack group, the first bearing, the second motor, first slide block has the groove suitable with the first line slideway, and the first slide block can slide on the first line slideway; Second slide block can slide on the second line slideway; Second motor is fixed on the second slide block, and the second motor is connected with the first arc-shaped rack group, the second driven by motor first arc-shaped rack group motion, thus drives the second slide block to slide on the second line slideway; First bearing is connected with the first arc-shaped rack group;
Described first arc-shaped rack group comprises the first arc-shaped rack, two the first single-decks, the first cylinder rolling pin, the first ring flanges, two the first single-decks are connected by the first ring flange, and the first cylinder rolling pin is coordinated with the some uniform through hole on two the first single-decks by angular contact bearing; The tooth of the first arc-shaped rack is between two the first single-decks, and the curved surface of the first cylinder rolling pin is meshed with the tooth profile of the first arc-shaped rack; Second driven by motor two first single-deck rotates, thus makes the first cylinder rolling pin and the first arc-shaped rack gear motion, drives the second slide block to slide on the second line slideway;
Described Y-axis moving mechanism comprises the 3rd line slideway, the 3rd slide block, the 3rd motor, the second arc-shaped rack group, the second bearing, the first supporting leg, the second supporting leg, 3rd slide block can slide on the 3rd line slideway, 3rd motor is fixed on the 3rd slide block, and the 3rd motor is connected with the second arc-shaped rack group; 3rd driven by motor second arc-shaped rack group motion, thus the 3rd slide block is slided on the 3rd line slideway; Second bearing is connected with the first slide block by the first supporting leg, and the second bearing is connected with the second slide block by the second supporting leg; Second bearing is connected with the second arc-shaped rack group, the 3rd line slideway;
Described second arc-shaped rack group comprises the second arc-shaped rack, two the second single-decks, the second cylinder rolling pin, the second ring flanges, two the second single-decks are connected by the second ring flange, and the second cylinder rolling pin is coordinated with the some uniform through hole on two the second single-decks by angular contact bearing; The tooth of the second arc-shaped rack is between two the second single-decks, and the curved surface of the second cylinder rolling pin is meshed with the tooth profile of the second arc-shaped rack; 3rd driven by motor two second single-deck rotates, thus makes the second cylinder rolling pin and the second arc-shaped rack gear motion, drives the 3rd slide block to slide on the 3rd line slideway;
Described wire feeder comprises the wire feeding motor be connected with the 3rd slide block, and described wire feeding motor is connected with printhead.
Further scheme is, described first bearing is L-type, and its both sides are all provided with through hole, and the side of the first bearing is connected with the first arc-shaped rack through through hole by screw, and the opposite side of the first bearing is fixedly connected with shell through through hole by screw; Described second bearing is L-type, and its both sides are all provided with through hole, and the side of the second bearing is connected with the second arc-shaped rack through through hole by screw, and the opposite side of the second bearing is connected with the 3rd line slideway through through hole by screw.
Further scheme is, described first bearing is provided with the groove for placing the first arc-shaped rack, and described second bearing is provided with the groove for placing the second arc-shaped rack.
Further scheme is, described first line slideway, the second line slideway, the 3rd line slideway, the first arc-shaped rack, the second arc-shaped rack has some for fixing through hole.First line slideway and the second line slideway are fixed on the base plate of shell through through hole by screw.
Further scheme is, described 3rd slide block is L-type; Described second slide block has the groove suitable with the second line slideway.
Further scheme is, the end face of described shell and four sides are provided with observation window, is convenient to observe the shaping of 3D model.
Further scheme is, the bottom of described shell is provided with the drawer for placing printed material.
Further scheme is, the first motor is fixed on the bottom of shell, and column is fixedly connected with the upper and lower surfaces of shell; First supporting leg is fixedly connected with the first slide block by screw, and the second supporting leg is fixedly connected with the second slide block by screw; Printhead is fixed on the 3rd slide block.
In the present invention, platform mechanism is vertical lifting mechanism, and X-axis travel mechanism and Y-axis moving mechanism are referred to as planer-type walking mechanism.First driven by motor screw mandrel motion, thus platform is moved up and down, the lifting of the Z-direction of implementation platform; Second driven by motor two first single-deck rotates, thus makes the first cylinder rolling pin and the first arc-shaped rack gear motion, drives the second slide block to slide on the second line slideway, realizes the movement in printhead X-direction; 3rd driven by motor two second single-deck rotates, thus makes the second cylinder rolling pin and the second arc-shaped rack gear motion, drives the 3rd slide block to slide on the 3rd line slideway, realizes the movement in printhead Y direction.First motor, the second motor, the 3rd motor are accurately controlled by controller, thus make platform realize precision lift, make that printhead realizes accurate X-axis, Y direction moves, and then realize the precise Printing of 3D model.
Arc-shaped rack group comprises arc-shaped rack, two single-decks, cylinder rolling pin, ring flange, and two single-decks are connected by ring flange, and cylinder rolling pin is coordinated with the some uniform through hole on two single-decks by angular contact bearing; The tooth of arc-shaped rack is between two single-decks, and the curved surface of cylinder rolling pin is meshed with the tooth profile of arc-shaped rack.Arc-shaped rack group is a kind of novel driving type based on a kind of New-type cycloidal coupled wave theory research and development, a kind of brand-new version compared with traditional type gear rack-driving mode, there is zero back clearance, precision drive, compact conformation, steady low noise, efficiency is high, there is the feature of arbitrary distance of run, be embodied in this arc-shaped rack group by the arc-shaped tooth engaged transmission of Cycloidal Wheel cylindrical roller (cylinder rolling pin) with arc-shaped rack, in transmission process, Cycloidal Wheel cylindrical roller (cylinder rolling pin) engages as curved surface roller is fade-in engagement with the arc-shaped tooth curvilinear contact of arc-shaped rack, transmission is very steady, collisionless, thus the noise produced is less, engage comparatively accurate.By utilizing rolling pattern to replace traditional slip pattern in transmission process, avoiding traditional transmission mode gear tooth friction and the more serious phenomenon of tooth surface abrasion, significantly improving the efficiency of arc-shaped rack group.Because arc-shaped rack has sliceable property, thus meet the requirement of arbitrary distance of run, comparatively large at the area of contact of engagement process mean camber contact, when same bearing capacity, relatively low to the requirement of carft of construction.By New-type cycloidal coupling mechanism specificity analysis, also relatively low to the requirement of assembling after determining centre-to-centre spacing when assembling.When assembling can between bearing and arc-shaped rack shell tool, thus increase its stability.
Beneficial effect of the present invention is: by arranging arc-shaped rack group in X-direction and Y direction, thus it is rapid, steady to realize transmission, makes 3D printer have printing precision high, the feature that print speed is fast.Structure of the present invention is simple, easy to utilize.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is planer-type walking mechanism axonometric drawing;
Fig. 2 is planer-type walking mechanism front view;
Fig. 3 is planer-type walking mechanism side view;
Fig. 4 is planer-type walking mechanism top view;
Fig. 5 is shell and platform mechanism axonometric drawing;
Fig. 6 is the bottom schematic view of shell;
Fig. 7 is the axonometric drawing of planer-type 3D printer of the present invention.
In figure: 1. shell, 2. column, 3. bearing, 4. screw mandrel, 5. screw rod bushing, 6. the first motor, 7. platform, 8. the first supporting leg, 9. the second supporting leg, 10. the first straight line line slideway, 11. first slide blocks, 12. second straight line line slideways, 13. second slide blocks, 14-1. first cylinder rolling pin, 15-1. the first single-deck, 16-1. the first arc-shaped rack, 14-2. second cylinder rolling pin, 15-2. the second single-deck, 16-2. the second arc-shaped rack, 17. through holes, 18. first bearings, 19. screws, 20. second motors, 21. the 3rd motors, 22. printheads, 23-1. the first ring flange, 23-2. the second ring flange, 24. the 3rd straight line line slideways, 25. the 3rd slide blocks, 27. second bearings, 28. wire feeding motors.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See Fig. 1-Fig. 7, a kind of planer-type 3D printer, comprises shell 1, platform mechanism, X-axis travel mechanism, Y-axis moving mechanism and wire feeder, and described platform mechanism, X-axis travel mechanism, Y-axis moving mechanism and wire feeder are placed in shell 1;
Platform mechanism comprise the first motor 6, screw mandrel 4, column 2 and platform 7, first motor 6 be connected with screw mandrel 4, screw mandrel 4 is connected with platform 7 by screw rod bushing 5; Column 2 is fixedly connected with the upper and lower surfaces of shell 1, and column 2 is connected with platform 7 by bearing 3; First motor 6 drives screw mandrel 4 to move, thus platform 7 is moved up and down, implementation platform 7 lifting in the Z-axis direction;
X-axis travel mechanism comprises the first line slideway 10, second line slideway 12, first slide block 11, second slide block 13, first arc-shaped rack group, the first bearing 18, second motor 20, first slide block 11 has the groove suitable with the first line slideway 10, and the first slide block 11 can slide on the first line slideway 10; Second slide block 13 has the groove suitable with the second line slideway 12, second slide block 13 can slide on the second line slideway 12, second motor 20 is fixed on the second slide block 13, and the second motor 20 is connected with the first arc-shaped rack group, and the first bearing 18 is connected with the first arc-shaped rack group; First arc-shaped rack group comprises the first arc-shaped rack 16-1, two the first single-deck 15-1, the first cylinder rolling pin 14-1, the first ring flange 23-1, two the first single-deck 15-1 are connected by the first ring flange 23-1, and the first cylinder rolling pin 14-1 is coordinated with the some uniform through hole on two the first single-deck 15-1 by angular contact bearing; The curved surface of the first cylinder rolling pin 14-1 is meshed with the tooth profile of the first arc-shaped rack 16-1; Second motor 20 drives two the first single-deck 15-1 to rotate, thus makes the first cylinder rolling pin 14-1 and the first arc-shaped rack 16-1 gear motion, drives the second slide block 13 to slide on the second line slideway 12, to realize printhead steadily movement in the X-axis direction;
Y-axis moving mechanism comprises the 3rd line slideway 24, the 3rd slide block 25 in L-type, the 3rd motor 21, second arc-shaped rack group, the second bearing 27, first supporting leg 8, second supporting leg 9,3rd slide block 25 can slide on the 3rd line slideway 24,3rd motor 21 is fixed on the 3rd slide block 25, and the 3rd motor 21 is connected with the second arc-shaped rack group; Second bearing 27 is connected with the first slide block 11 by the first supporting leg 8, and the second bearing 27 is connected with the second slide block 13 by the second supporting leg 9; Second bearing 27 is connected with the second arc-shaped rack group, the 3rd line slideway 24; Second arc-shaped rack group comprises the second arc-shaped rack 16-2, two the second single-deck 15-2, the second cylinder rolling pin 14-2, the second ring flange 23-2, two the second single-deck 15-2 are connected by the second ring flange 23-2, and the second cylinder rolling pin 14-2 is coordinated with the some uniform through hole on two the second single-deck 15-2 by angular contact bearing; The curved surface of the second cylinder rolling pin 14-2 is meshed with the tooth profile of the second arc-shaped rack 16-2; 3rd motor 21 drives two the second single-deck 15-2 to rotate, thus makes the second cylinder rolling pin 14-2 and the second arc-shaped rack 16-2 gear motion, drives the 3rd slide block 25 to slide on the 3rd line slideway 24, to realize printhead steadily movement in the Y-axis direction;
Wire feeder comprises the wire feeding motor 28 be connected with the 3rd slide block 25, and wire feeding motor 28 is connected with printhead.
In the present embodiment, the first bearing 18, in L-type, its both sides is all provided with through hole 17, and the side of the first bearing 18 is connected with the first arc-shaped rack 16-1 through through hole 17 by screw 19, and the opposite side of the first bearing 18 is fixedly connected with shell 1 through through hole 17 by screw 19; Second bearing 27, in L-type, its both sides is all provided with through hole 17, and the side of the second bearing 27 is connected with the second arc-shaped rack 16-2 through through hole 17 by screw 19, and the opposite side of the second bearing 27 is connected with the 3rd line slideway 24 through through hole 17 by screw 19.
First bearing 18 is provided with the groove for placing the first arc-shaped rack 16-1, and the second bearing 27 is provided with the groove for placing the second arc-shaped rack 16-2.
For the ease of installing, the first line slideway 10, second line slideway 12, the 3rd line slideway 24, first arc-shaped rack 16-1, the second arc-shaped rack 16-2 all have some for fixing through hole 17.First line slideway 10 and the second line slideway 12 are fixed on the base plate of shell 1 through through hole 17 by screw 19.
For the ease of observing the printing situation of printer, observation window can be established at the end face of shell 1 and four sides.Conveniently print, the bottom of shell 1 is provided with the drawer for placing printed material.
First motor, the second motor, the 3rd motor are accurately controlled by controller, thus make platform realize precision lift, make that printhead realizes accurate X-axis, Y direction moves, and then realize the precise Printing of 3D model.
During work, rotated by the first motor 6 rotating band movable wire bar 4, screw mandrel 4 makes platform 7 can move up and down under the support of column 2 with coordinating of screw rod bushing 5, second motor 20 drives the second slide block 13 and the first slide block 11 to move by the first arc-shaped rack group, 3rd motor 21 drives the motion of the 3rd slide block 25 on the 3rd straight line line slideway 24 by the second arc-shaped rack group, thus making the motion of wire feed printing mechanism in horizontal plane, wire feed printing mechanism completes printing by wire feeding motor 28 and the coordinated of printhead 22.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (7)
1. a planer-type 3D printer, comprise shell (1), platform mechanism, X-axis travel mechanism, Y-axis moving mechanism and wire feeder, described platform mechanism, X-axis travel mechanism, Y-axis moving mechanism and wire feeder are placed in shell (1); It is characterized in that:
Described platform mechanism comprises the first motor (6), screw mandrel (4), column (2) and platform (7), first motor (6) is connected with screw mandrel (4), and screw mandrel (4) is connected with platform (7) by screw rod bushing (5); Described column (2) is fixed in shell (1), and is connected with platform (7) by bearing;
Described X-axis travel mechanism comprises the first line slideway (10), the second line slideway (12), the first slide block (11), the second slide block (13), the first arc-shaped rack group, the first bearing (18), the second motor (20), first slide block (11) has the groove suitable with the first line slideway (10), and the first slide block (11) can in the upper slip of the first line slideway (10); Second slide block (13) can in the upper slip of the second line slideway (12), and the second motor (20) is fixed on the second slide block (13), and the second motor (20) is connected with the first arc-shaped rack group; First bearing (18) is connected with the first arc-shaped rack group;
Described first arc-shaped rack group comprises the first arc-shaped rack (16-1), two the first single-decks (15-1), the first cylinder rolling pin (14-1), the first ring flange (23-1), two the first single-decks (15-1) are connected by the first ring flange (23-1), and the first cylinder rolling pin (14-1) is coordinated with the some uniform through hole on two the first single-decks (15-1) by angular contact bearing; The curved surface of the first cylinder rolling pin (14-1) is meshed with the tooth profile of the first arc-shaped rack (16-1);
Described Y-axis moving mechanism comprises the 3rd line slideway (24), the 3rd slide block (25), the 3rd motor (21), the second arc-shaped rack group, the second bearing (27), the first supporting leg (8), the second supporting leg (9), 3rd slide block (25) can in the upper slip of the 3rd line slideway (24), 3rd motor (21) is fixed on the 3rd slide block (25), and the 3rd motor (21) is connected with the second arc-shaped rack group; Second bearing (27) is connected with the first slide block (11) by the first supporting leg (8), and the second bearing (27) is connected with the second slide block (13) by the second supporting leg (9); Second bearing (27) is connected with the second arc-shaped rack group, the 3rd line slideway (24);
Described second arc-shaped rack group comprises the second arc-shaped rack (16-2), two the second single-decks (15-2), the second cylinder rolling pin (14-2), the second ring flange (23-2), two the second single-decks (15-2) are connected by the second ring flange (23-2), and the second cylinder rolling pin (14-2) is coordinated with the some uniform through hole on two the second single-decks (15-2) by angular contact bearing; The curved surface of the second cylinder rolling pin (14-2) is meshed with the tooth profile of the second arc-shaped rack (16-2);
Described wire feeder comprises the wire feeding motor (28) be connected with the 3rd slide block (25), and described wire feeding motor (28) is connected with printhead.
2. planer-type 3D printer as claimed in claim 1, it is characterized in that: described first bearing (18) is in L-type, its both sides are all provided with through hole, and the side of the first bearing (18) is connected with the first arc-shaped rack (16-1) through through hole (17) by screw (19); Described second bearing (27) is in L-type, its both sides are all provided with through hole (17), the side of the second bearing (27) is connected with the second arc-shaped rack (16-2) through through hole (17) by screw (19), and the opposite side of the second bearing (27) is connected with the 3rd line slideway (24) through through hole (17) by screw (19).
3. planer-type 3D printer as claimed in claim 1 or 2, it is characterized in that: described first bearing (18) is provided with the groove for placing the first arc-shaped rack (16-1), described second bearing (27) is provided with the groove for placing the second arc-shaped rack (16-2).
4. planer-type 3D printer as claimed in claim 2, is characterized in that: described first line slideway (10), the second line slideway (12), the 3rd line slideway (24), the first arc-shaped rack (16-1), the second arc-shaped rack (16-2) have some for fixing through hole (17).
5. planer-type 3D printer as claimed in claim 1, is characterized in that: described second slide block (13) and the 3rd slide block (25) are in L-type.
6. planer-type 3D printer as claimed in claim 1, is characterized in that: end face and four sides of described shell (1) are provided with observation window.
7. the planer-type 3D printer as described in claim 1 or 6, is characterized in that: the bottom of described shell (1) is provided with the drawer for placing printed material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830232.4A CN105252778A (en) | 2015-11-25 | 2015-11-25 | Gantry type 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830232.4A CN105252778A (en) | 2015-11-25 | 2015-11-25 | Gantry type 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105252778A true CN105252778A (en) | 2016-01-20 |
Family
ID=55092856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510830232.4A Pending CN105252778A (en) | 2015-11-25 | 2015-11-25 | Gantry type 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105252778A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106583729A (en) * | 2017-01-17 | 2017-04-26 | 华南理工大学 | Microbeam plasma arc additive manufacturing device and method for aluminum alloy wires |
| CN106738917A (en) * | 2017-01-04 | 2017-05-31 | 深圳市奈士迪技术研发有限公司 | A kind of high stability 3D printing equipment |
| CN107244075A (en) * | 2017-03-08 | 2017-10-13 | 深圳市普伦特科技有限公司 | 3d printer |
| CN107599401A (en) * | 2017-09-27 | 2018-01-19 | 安徽凯密克企业管理咨询有限公司 | A kind of print platform based on fused glass pellet technology 3D printer |
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| CN102358292A (en) * | 2011-08-05 | 2012-02-22 | 邹城市创拓矿山设备有限公司 | Self-moving equipment train |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106738917A (en) * | 2017-01-04 | 2017-05-31 | 深圳市奈士迪技术研发有限公司 | A kind of high stability 3D printing equipment |
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| CN106583729A (en) * | 2017-01-17 | 2017-04-26 | 华南理工大学 | Microbeam plasma arc additive manufacturing device and method for aluminum alloy wires |
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| CN107599401A (en) * | 2017-09-27 | 2018-01-19 | 安徽凯密克企业管理咨询有限公司 | A kind of print platform based on fused glass pellet technology 3D printer |
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