CN203580138U - Desktop three-dimensional (3D) printer - Google Patents

Desktop three-dimensional (3D) printer Download PDF

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Publication number
CN203580138U
CN203580138U CN201320711843.3U CN201320711843U CN203580138U CN 203580138 U CN203580138 U CN 203580138U CN 201320711843 U CN201320711843 U CN 201320711843U CN 203580138 U CN203580138 U CN 203580138U
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China
Prior art keywords
axis
motion
printer
type
frame
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CN201320711843.3U
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Chinese (zh)
Inventor
张鸿海
舒霞云
许剑峰
罗浩
何龙
江福祥
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华中科技大学
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Priority to CN201320711843.3U priority Critical patent/CN203580138U/en
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Abstract

The utility model provides a desktop three-dimensional (3D) printer, comprising a frame, an X-axis movement mechanism, a Z-axis movement mechanism and a Y-axis movement mechanism, wherein the frame is of a portal structure; the X-axis movement mechanism is fixed on a bottom plate of the frame and provided with a molding substrate capable of moving along the X-axis direction; the Z-axis movement mechanism comprises two same movement modules which can provide Z-axis direction movement; the two movement modules are respectively arranged on a left lateral plate and a right lateral plate of the frame; the Y-axis movement mechanism is arranged on the Z-axis movement mechanism; a silk feeding mechanism is arranged on the Y-axis movement mechanism and used for pushing silk material feeding and carrying out heating extrusion on the silk material. By adopting the desktop 3D printer disclosed by the utility model, the frame is designed in a gantry form, so that stable and reliable support can be provided for the overall printer, and the structure can be greatly simplified. Thus, the manufacturing cost is reduced, and meanwhile, the maneuverability and the maintainability of the machine are improved.

Description

A kind of desktop 3D printer

Technical field

The utility model belongs to 3D printing technique field, more specifically, relates to a kind of desktop 3D printer.

Background technology

3D printing technique is a kind of advanced manufacturing technology that adopts pointwise or successively forming method manufacture physical model, mould and part; Be compound material science, CAD the advanced technology such as CAM, numerical control and laser in the new manufacture of one.3D printing technique is the moulding thought based on discrete/accumulation, by the part three-dimensional CAD model building on computer along short transverse hierarchy slicing, obtain every layer cross section information, then output on rapid forming equipment successively scanning filling, along bonding stack in short transverse, progressively form Three-dimensional Entity Components again.Compare with the technique that " subtracts material " in traditional machining, 3D printing technique can be produced part prototype from cad model, has shortened new product designs and construction cycle, is an important breakthrough in manufacturing technology field.

3D printing technique originates from the U.S., obtains the active response of manufacturing industry and academia with high flexibility and range of application, develops into very soon Japan, Europe and China.Three-dimensional printing technology, without any need for cutter, mould and tooling fixture in the situation that, can be realized the quick manufacture of any complicated shape new product exemplar.The model producing with three-dimensional printing technology or exemplar can be directly used in new product designs checking, functional check, outward appearance checking, project analysis, market order etc., be very beneficial for optimizing product design, thereby greatly improve the one-time success rate of new product development, improve the competitiveness of product in market, shorten the R&D cycle, reduce R&D costs.

At present, 3D printing technique has ten kinds of processes, according to the difference of the moulding energy, can be divided into Laser Processing and the large class of non-Laser Processing two, wherein typically have: laser curing moulding (supplements English full name, SLA), selective laser sintering (SLS), laminated solid body manufacture (LOM), Fused Deposition Modeling (FDM), 3 D stereo print (3DP).

Wherein, first three common issue of planting (that is: SLA, SLS and LOM) existence is:

(1) machine cost is high, and these 3D printers all must be equipped with laser instrument, and high performance digital control system, so machine cost is high;

(2) operating cost is high, and these 3D printers all require the moulding material of particular characteristic, so operating cost is high;

(3) Operation and Maintenance is complicated, and environment friendly is poor, and the structure of these 3D printers is more complicated, volume is large, environment is had to certain pollution, therefore, is not easy to Operation and Maintenance, is not suitable for family and office and uses.

Latter two (that is: FDM and 3DP) 3D printer is planted 3D printer with first three and is compared, the aspects such as size, precision and intensity at drip molding, difference to some extent, still, they needn't configure expensive laser instrument, structure is simpler, profile is small and exquisite, environmentally safe, so cost is lower, be particularly suitable for family and office and use, become a kind of developing direction of 3D printer.

Fused Deposition Modeling (Fused Deposition Modeling, FDM) 3D printer adopts filamentary material (as ABS plastic silk) as machining object, with heater, be heated molten condition, by wire feeder, from shower nozzle, extrude filament material, heating shower nozzle is under the control of computer, according to the cross section profile data of threedimensional model, do X-Y plane motion, successively selective blending covers formation 3D solid.Fused Deposition Modeling 3D prints technique due to its unique know-why, relatively be suitable for family, office appliance and die industry new product development, also be widely used in addition the three-dimensional entity model manufactures such as medical science, medical treatment, archaeology, there is very strong application prospect.

Existing typical FDM3D printer is subject to the impact of material behavior and software and hardware technology difficulty mostly to have the problems such as machine construction is stable not, formed precision is not high, shaping speed is low, with high costs, has limited it and has further promoted the use of.

Utility model content

Above defect or Improvement requirement for prior art, the utility model provides a kind of desktop 3D printer, its delicate structure, cost is low, noise is little, formed precision is high, simple to operate, easy to maintenance, be particluarly suitable for using in family and office, be convenient to promote.

The utility model provides a kind of Table top type 3D printer, comprising: frame, X-axis motion, Z axis motion and Y-axis motion, and described frame is planer type structure, wherein:

Described X-axis motion is fixed on the base plate of described frame, and the shaping substrate that can move in the X-axis direction is installed;

The motion module of two identical provided Z-direction motions is provided described Z axis motion, and described two motion module are arranged on respectively on the left plate and right plate of described frame;

Described Y-axis motion is installed on described Z axis motion, on described Y-axis motion, wire feeding device is installed, and described wire feeding device is used for advancing silk material feeding and adds hot-extrudable to silk material.

Particularly, described frame comprises a base plate, left plate, top board, right plate, forms planer type structure.

Preferably, described X-axis motion is arranged on the base plate of described frame perpendicular to Y-axis motion and Z axis motion, described X-axis motion comprises X-axis base plate, X-axis stepper motor, X-axis tooth form synchronous belt, X-axis synchronizing wheel, two X-axis round guides, four X-axis guide rail slide blocks, described X-axis stepper motor and X-axis synchronizing wheel are arranged on respectively the both sides of described X-axis base plate, described X-axis tooth form synchronous belt is arranged on described X-axis stepper motor and X-axis synchronizing wheel, the both sides of described X-axis base plate are also provided with X-axis rail brackets, on described X-axis rail brackets, X-axis round guide is installed, X-axis workbench is arranged on described X-axis round guide by X-axis guide rail slide block, described X-axis workbench is fixedly connected with described X-axis tooth form synchronous belt by X-axis briquetting, described shaping substrate is arranged on X-axis workbench by double-screw bolt.

Preferably, in described Z axis motion, can provide the module of Z-direction motion to comprise Z axis stepper motor, screw mandrel and Z axis round guide, described screw mandrel and Z axis round guide are fixed on the biside plate of described frame by screw mandrel upper bracket and screw mandrel undersetting respectively, described Z axis stepper motor is fixed on the biside plate of described frame by Z axis motor support base, the lower end of described screw mandrel is connected with described Z axis stepper motor by shaft joint, and described motion module also comprises feed screw nut and Z axis guide rail sliding sleeve.

Preferably, described Y-axis motion comprises two of Y-direction supporting plates, two of Y-axis round guides, y-axis stepper motor, Y-axis tooth form synchronous belt, Y-axis synchronizing wheel, Y-axis workbench and Y-axis tooth form synchronous belt briquetting, described two Y-direction supporting plates are separately fixed on Z axis motion by two feed screw nuts and two Z axis guide rail sliding sleeves, described y-axis stepper motor and Y-axis synchronizing wheel are arranged on respectively on two Y-direction supporting plates, described Y-axis tooth form synchronous belt is arranged on y-axis stepper motor and Y-axis synchronizing wheel, described two Y-axis round guides are fixed between two Y-axis supporting plates by eight Y-axis round guide briquettings, described Y-axis workbench is arranged on four Y-axis guide rail slide blocks that are enclosed within on Y-axis round guide, Y-axis workbench is also connected by Y-axis tooth form synchronous belt briquetting and Y-axis tooth form synchronous belt simultaneously.

Preferably, described wire feeding device comprises into an electric machine support, two silk material conduits, heat block, two nozzles, two are entered a motor, two are entered a gear, two are entered a roller, two are entered a rolling wheel support and two fans, heating rod, two thermocouples, describedly enter an electric machine support and be arranged on above Y-axis workbench, described silk material conduit one end with enter an electric machine support and be connected one end and be connected with heat block, described nozzle be arranged on heat block below, describedly enter a motor and enter a rolling wheel support to be installed on an electric machine support, describedly enter a gear and be arranged on a motor shaft, describedly enter a roller and be arranged on a rolling wheel support, described fan is arranged on an electric machine support and faces into a gear and enter a roller, described heating rod and thermocouple are installed in heat block the inside.

Preferably, described shaft coupling is positive coupling, or flexible clutch.

Preferably, described screw mandrel is ball screw.

Preferably, on described double-screw bolt, cover has stage clip.

In general, the above technical scheme of conceiving by the utility model compared with prior art, mainly possesses following advantage:

1, because Table top type 3D printer of the present utility model becomes planer-type by chassis design, can greatly simplify the structure again for complete machine provides reliable and stable support, thereby reduce manufacturing cost, improved operability and the maintainability of machine simultaneously.

2, because Table top type 3D printer Z axis motion of the present utility model adopts bilateral ball screw, drive, make the increase of vertical direction bearing capacity and motion more steady, ball screw can also improve kinematic accuracy than sliding screw and reduce noise simultaneously.

3, because Table top type 3D printer Y-axis motion of the present utility model and X-axis motion all adopt bilateral support, avoided the outstanding body structure of single armed that generally adopts at present, improved rigidity and the stability of system.

4, owing to connecting the shaft coupling of motor shaft and ball screw in Table top type 3D printer Z axis motion of the present utility model, adopt flexible clutch, than positive coupling energy compensating axial and foozle radially, improve kinematic accuracy.

5, because cover on fixed-type basic double-screw bolt in Table top type 3D printer X-axis motion of the present utility model has stage clip, can by double-screw bolt, regulate easily the level of shaping substrate, formed precision is improved.

Accompanying drawing explanation

Fig. 1 is the schematic three dimensional views of Table top type 3D printer embodiment of the present utility model;

Fig. 2 is the front view of Table top type 3D printer embodiment of the present utility model;

Fig. 3 is the rack construction schematic diagram of Table top type 3D printer embodiment of the present utility model;

Fig. 4 is the X-direction motion structural representation of Table top type 3D printer embodiment of the present utility model;

Fig. 5 is the Z-direction motion structural representation of Table top type 3D printer embodiment of the present utility model;

Fig. 6 is the Y-direction motion structural representation of Table top type 3D printer embodiment of the present utility model;

Fig. 7 is the wire feeding device structural representation of Table top type 3D printer embodiment of the present utility model.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition,, in each embodiment of described the utility model, involved technical characterictic just can not combine mutually as long as do not form each other conflict.

As depicted in figs. 1 and 2, Table top type 3D printer of the present utility model is by frame 1, X-axis motion 2, Z axis motion 3, Y-axis motion 4, wire feeding device 5 and composition of the control system.

As shown in Figure 3, the frame 1 of Table top type 3D printer of the present utility model forms gantry type frame structure by base plate 1-a, top board 1-c and left plate 1-b, right plate 1-c, for complete machine provides stable support.

As shown in Figure 4, the X-axis motion 2 of Table top type 3D printer of the present utility model is longitudinally vertically mounted on framework soleplate 1-a by X-axis base plate, it is upper that two X-axis rail brackets 2-a are one in front and one in back arranged on X-axis base plate 2-d, to X-axis workbench 2-h and on shaping substrate 2-i play bilateral supporting role.X-axis workbench 2-h is fixedly connected with X-axis tooth form synchronous belt 2-c by X-axis briquetting 2-j, X-axis workbench 2-h is also fixedly connected with X-axis guide rail slide block 2-e simultaneously, when X-axis stepper motor 2-b rotates, drive X-axis tooth form synchronous belt 2-c to rotate, X-axis workbench 2-h and on shaping substrate 2-i in the traction of X-axis tooth form synchronous belt 2-c and under by X-axis round guide 2-f guiding, seesaw.It is upper that shaping substrate 2-i has the double-screw bolt 2-k of stage clip to be fixed on X-axis workbench 2-h by cover, by regulating stage clip to make shaping substrate 2-i level.Silk material from nozzle 5-d ejection during work is piled up moulding at shaping substrate 2-i.

As shown in Figure 5, the Z axis motion 3 of Table top type 3D printer of the present utility model consists of the identical two parts that are arranged symmetrically on frame left plate 1-b and frame right plate 1-d.Z axis stepper motor 3-a is fixed on framework lateral plate by Z axis motor support base 3-h, screw mandrel 3-c and Z axis round guide 3-e two ends are also fixed on framework lateral plate, Z axis stepper motor 3-a is connected by shaft coupling 3-b with screw mandrel 3-c, two Y-axis supporting plate 4-a distinguish simultaneously and feed screw nut 3-e, Z axis round guide sliding sleeve 3-g is fixedly connected with, when rotating, Z axis stepper motor 3-a drive screw mandrel 3-c to rotate by shaft coupling 3-b, Y-axis supporting plate 4-a moves up and down under the traction of feed screw nut 3-e and the guide effect of Z axis round guide sliding sleeve 3-g, be arranged on wire feeding device 5 on Y-axis motion 4 together with moving up and down.

As shown in Figure 6, the Y-axis motion 4 of Table top type 3D printer of the present utility model is arranged on Z axis motion 3.Y-axis stepper motor 4-i and Y-axis synchronizing wheel 4-f are arranged on respectively on the Y-axis supporting plate 4-a of left and right, Y-axis workbench 4-c is fixedly connected with Y-axis tooth form synchronous belt 4-g by Y-axis tooth form synchronous belt briquetting 4-h, and Y-axis workbench 4-c is also connected with Y-axis round guide slide block 4-d simultaneously.When y-axis stepper motor 4-i rotates and drive Y-axis tooth form synchronous belt 4-g to rotate, Y-axis workbench 4-c does side-to-side movement under the traction of Y-axis tooth form synchronous belt 4-g and the guide effect of Y-axis round guide 4-b.Side-to-side movement is done in wire feeding device 5 companions that are arranged on Y-axis workbench 4-c.

As shown in Figure 7, the wire feeding device 5 of Table top type 3D printer of the present utility model has being arranged on into an electric machine support 5-a of symmetrical configuration that two covers are identical upper, can spray respectively the printing silk material of different colours or one and spray and print spray backing material of silk material.During work, a gear 5-g that enters when entering a thread motor 5-h and rotating on drive motor axle rotates, be stuck in into a gear 5-g and the silk material that enters between a roller 5-f entering under a driving of gear 5-g torque, enter in a material conduit 5-b, silk material conduit 5-b lower end is arranged in heat block 5-d, silk material thawing under the effect of heating rod in silk material conduit 5-b, the silk material of thawing enters nozzle 5-d under the promotion of follow-up silk material, and from nozzle 5-d, is ejected in shaping substrate 2-i accumulation moulding.

Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (9)

1. a Table top type 3D printer, is characterized in that, comprising: frame (1), X-axis motion (2), Z axis motion (3) and Y-axis motion (4), and described frame (1) is planer type structure, wherein:
Described X-axis motion (2) is fixed on the base plate (1-a) of described frame (1), and the shaping substrate (2-i) that can move in the X-axis direction is installed;
The motion module of two identical provided Z-direction motions is provided described Z axis motion (3), and described two motion module are arranged on respectively on the left plate (1-b) and right plate (1-d) of described frame (1);
It is upper that described Y-axis motion (4) is installed on described Z axis motion (3), and wire feeding device (5) is installed on described Y-axis motion (4), and described wire feeding device (5) is for advancing silk material feeding and adding hot-extrudable to silk material.
2. Table top type 3D printer as claimed in claim 1, is characterized in that, described frame (1) comprises a base plate (1-a), left plate (1-b), top board (1-c), right plate (1-d), forms planer type structure.
3. Table top type 3D printer as claimed in claim 1 or 2, it is characterized in that, described X-axis motion (2) is arranged on the base plate (1-a) of described frame (1) perpendicular to Y-axis motion (4) and Z axis motion (3), described X-axis motion (2) comprises X-axis base plate (2-d), X-axis stepper motor (2-g), X-axis tooth form synchronous belt (2-c), X-axis synchronizing wheel (2-b), two of X-axis round guides (2-f), four X-axis guide rail slide blocks (2-e), described X-axis stepper motor (2-g) and X-axis synchronizing wheel (2-b) are arranged on respectively the both sides of described X-axis base plate (2-d), described X-axis tooth form synchronous belt (2-c) is arranged on described X-axis stepper motor (2-g) and X-axis synchronizing wheel (2-b), the both sides of described X-axis base plate (2-d) are also provided with X-axis rail brackets (2-a), X-axis round guide (2-f) is installed on described X-axis rail brackets (2-a), X-axis workbench (2-h) is arranged on described X-axis round guide (2-f) by X-axis guide rail slide block (2-e), described X-axis workbench (2-h) is fixedly connected with described X-axis tooth form synchronous belt (2-c) by X-axis briquetting (2-j), described shaping substrate (2-i) is arranged on X-axis workbench (2-h) by double-screw bolt (2-k).
4. the Table top type 3D printer as described in claims 1 to 3 any one, it is characterized in that, in described Z axis motion (3), can provide the module of Z-direction motion to comprise Z axis stepper motor (3-a), screw mandrel (3-c) and Z axis round guide (3-e), described screw mandrel (3-c) and Z axis round guide (3-e) are fixed on the biside plate of described frame (1) by screw mandrel upper bracket (3-d) and screw mandrel undersetting (3-h) respectively, described Z axis stepper motor (3-a) is fixed on the biside plate of described frame (1) by Z axis motor support base (3-i), the lower end of described screw mandrel (3-c) is connected with described Z axis stepper motor (3-a) by shaft joint (3-b), described motion module also comprises feed screw nut (3-f) and Z axis guide rail sliding sleeve (3-g).
5. the Table top type 3D printer as described in claim 1 to 4 any one, it is characterized in that, described Y-axis motion (4) comprises two of Y-direction supporting plates (4-a), two of Y-axis round guides (4-b), y-axis stepper motor (4-i), Y-axis tooth form synchronous belt (4-g), Y-axis synchronizing wheel (4-f), Y-axis workbench (4-c) and Y-axis tooth form synchronous belt briquetting (4-h), described two Y-direction supporting plates (4-a) are separately fixed on Z axis motion (3) by two feed screw nuts (3-f) and two Z axis guide rail sliding sleeves (3-g), described y-axis stepper motor (4-i) and Y-axis synchronizing wheel (4-f) are arranged on respectively on two Y-direction supporting plates (4-a), described Y-axis tooth form synchronous belt (4-g) is arranged on y-axis stepper motor (4-i) and Y-axis synchronizing wheel (4-f), described two Y-axis round guides (4-b) are fixed between two Y-axis supporting plates (4-a) by eight Y-axis round guide briquettings (4-e), described Y-axis workbench (4-c) is arranged on four Y-axis guide rail slide blocks (4-d) that are enclosed within on Y-axis round guide (4-b), Y-axis workbench (4-c) is also connected by Y-axis tooth form synchronous belt briquetting (4-h) and Y-axis tooth form synchronous belt (4-g) simultaneously.
6. the Table top type 3D printer as described in claim 1 to 5 any one, it is characterized in that, described wire feeding device (5) comprises into an electric machine support (5-a), two silk material conduits (5-b), heat block (5-c), two nozzles (5-d), two are entered a motor (5-h), two are entered a gear (5-g), two are entered a roller (5-f), two are entered a rolling wheel support (5-e) and two fans, heating rod, two thermocouples, describedly enter an electric machine support (5-a) and be arranged on Y-axis workbench (4-c) above, described silk material conduit (5-b) one end with enter an electric machine support (5-a) and be connected one end and be connected with heat block (5-c), described nozzle (5-d) be arranged on heat block (5-c) below, describedly enter a motor (5-h) and enter a rolling wheel support (5-e) to be installed on an electric machine support (5-a), describedly enter a gear (5-g) and be arranged on a motor (5-h) axle, describedly enter a roller (5-f) and be arranged on a rolling wheel support (5-e), described fan is arranged on an electric machine support (5-a) and faces into a gear (5-g) and enter a roller (5-f), described heating rod and thermocouple are installed in heat block (5-c) the inside.
7. Table top type 3D printer as claimed in claim 4, is characterized in that, described shaft coupling (3-b) is positive coupling, or flexible clutch.
8. Table top type 3D printer as claimed in claim 4, is characterized in that, described screw mandrel (3-c) is ball screw.
9. Table top type 3D printer as claimed in claim 3, is characterized in that, the upper cover of institute's double-screw bolt (2-k) has stage clip.
CN201320711843.3U 2013-11-12 2013-11-12 Desktop three-dimensional (3D) printer CN203580138U (en)

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CN104006130A (en) * 2014-05-19 2014-08-27 苏州天脉导热科技有限公司 Reciprocation control mechanism
CN104044271A (en) * 2014-06-17 2014-09-17 韩成超 Dual-printing head mechanism for 3D printer, 3D printer and printing method
CN104399977A (en) * 2014-05-31 2015-03-11 福州大学 Direct-current motor and stepper motor combination-driven 3D printer
CN104411122A (en) * 2014-05-31 2015-03-11 福州大学 Three dimension (3D) printing method for multilayer flexible circuit board
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CN104006130A (en) * 2014-05-19 2014-08-27 苏州天脉导热科技有限公司 Reciprocation control mechanism
CN104399977A (en) * 2014-05-31 2015-03-11 福州大学 Direct-current motor and stepper motor combination-driven 3D printer
CN104411122B (en) * 2014-05-31 2017-10-20 福州大学 A kind of 3D printing method of multi-layer flexible circuit board
CN104399977B (en) * 2014-05-31 2016-06-01 福州大学 The 3D printer of a kind of direct-current machine and stepper-motor combination drive
CN104411122A (en) * 2014-05-31 2015-03-11 福州大学 Three dimension (3D) printing method for multilayer flexible circuit board
CN104044271A (en) * 2014-06-17 2014-09-17 韩成超 Dual-printing head mechanism for 3D printer, 3D printer and printing method
CN104723558A (en) * 2015-03-05 2015-06-24 威海湛翌三维科技有限公司 Three-dimensional printer
KR20160114353A (en) * 2015-03-24 2016-10-05 서울시립대학교 산학협력단 Material to be used in 3d printer for producing electronic device
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KR101690863B1 (en) * 2015-03-24 2016-12-28 서울시립대학교 산학협력단 Material to be used in 3d printer for producing electronic device
KR20160114347A (en) * 2015-03-24 2016-10-05 서울시립대학교 산학협력단 Apparatus and method for producing electronic device using 3d printer
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CN105922275A (en) * 2016-06-04 2016-09-07 上海大学 Air hockey robot based on movement sensor
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CN108437155A (en) * 2018-04-26 2018-08-24 东北大学 A kind of large complicated geology physical model 3D molding machines
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