CN106515006A - Wire feeding mechanism for fused deposition additive manufacturing of flexible wires - Google Patents
Wire feeding mechanism for fused deposition additive manufacturing of flexible wires Download PDFInfo
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- CN106515006A CN106515006A CN201610971536.7A CN201610971536A CN106515006A CN 106515006 A CN106515006 A CN 106515006A CN 201610971536 A CN201610971536 A CN 201610971536A CN 106515006 A CN106515006 A CN 106515006A
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- driving gear
- driven gear
- wire feeding
- gear
- feeding device
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a wire feeding mechanism for fused deposition additive manufacturing of flexible wires, and belongs to the technical field of 3D printing. The wire feeding mechanism solves the problem that in an existing fused deposition method 3D printing wire feeding mechanism, when relatively-soft flexible materials are printed, the phenomena of wire winding and wrapping are prone to being generated. According to the wire feeding mechanism, a driving gear and a driven gear are precisely located in a clearance fit manner or through fixing bolts; a throat pipe is arranged between the driving gear and the driven gear; the top face of the throat pipe is not lower than the lower edge of the driving gear; the throat pipe is made of a heat insulation material; the lower portion of the throat pipe is detachably connected with a material storage device; a feeding opening is formed in the position, close to the throat pipe, of the bottom of the material storage device; the bottom of the material storage device is detachably connected with a nozzle; and the top of the nozzle communicates with the feeding opening of the material storage device. According to the wire feeding mechanism, the phenomena of wire winding and wrapping of TPU and other flexible materials on a common fused deposition method 3D printing machine are avoided, and 3D printing of the flexible materials can be carried out smoothly. Normal printing can still be achieved when the HA of the flexible materials can be reduced to 60.
Description
Technical field
The invention belongs to 3D printing technique field；It is related to a kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing；
Specifically related to a kind of wire feeding device of TPU flexible materials increases material manufacturing technology, can solve the problem that TPU flexible materials in fusion sediment method
Silk, wrapping wire phenomenon are twined in increases material manufacturing technology print procedure, it is ensured that print procedure is smoothed out.
Background technology
At present, known fusion sediment method 3D printing wire feeding device (referring to Fig. 3), the driving tooth for mainly being driven by motor
Wheel 21, spring 25, driven gear 27, and corresponding support are constituted, the wire feeding device of this structure, for ABS, PLA quality
Harder material, can be with normal work, and when relatively soft flexible material is printed, such as TPU materials are then easy to generation
Silk, wrapping wire phenomenon are twined, is caused to print and is interrupted.Under continuous working condition, elastic force slowly changes spring 27, causes simultaneously
Enter driving gear and driven gear in silk work to change the snap-in force of silk material, machine operation state labile.
The content of the invention
The invention solves the problems that the wire feeding device of existing fusion sediment method 3D printing, when relatively soft flexible material is printed
It is also easy to produce and twines silk, the problem of wrapping wire phenomenon, there is provided a kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing.
This invention removes twining the space of silk, wrapping wire, and according to mass conservation law, derive gear anglec of rotation speed
Mathematics relation between the parameter such as degree and machine shower nozzle movement velocity, printing thickness, produces in eliminating print procedure and twines silk, wrapping wire
Driving force, tackle the problem at its root, it is achieved thereby that the flexible material such as fusion sediment method 3D printing TPU.
To solve above-mentioned technical problem, the wire feeding device of the flexible silk material fusion sediment increasing material manufacturing of the present invention is included actively
Gear 3, driven gear 4 and nozzle 6, remain with gap, and driving gear 3 and driven tooth between driving gear 3 and driven gear 4
Wheel 4 is symmetricly set on support 7, is provided with nozzle 6 between driving gear 3 and driven gear 4 immediately below gap, and this enters a machine
Structure also includes driving gear fixing shell 1, driven gear fixing shell 2 and trunnion 5, driving gear fixing shell 1 and driven tooth
Wheel fixing shell 2 is symmetrically and fixedly mounted on support, and trunnion 5,5 top surface of trunnion are provided between driving gear 3 and driven gear 4
The lower limb of driving gear is not less than, trunnion 5 is made up of heat proof material, 5 bottom of trunnion is removably connected with accumulator 8, storing
The bottom surface of device 8 is concordant with the bottom surface of trunnion 5, and 8 bottom of accumulator is provided with charging aperture 9 near trunnion 5, and 8 bottom of accumulator is removable
Unload and be connected with nozzle 6, the top of nozzle 6 is connected with the charging aperture of accumulator 8.
0.5～1 times by printing silk material diameter of the gap width in gap between above-mentioned moving gear 3 and driven gear 4.
1～2 times less than printed silk material diameter of the distance between 5 top surface of the trunnion and 3 lower limb of driving gear.
The trunnion 5 be by polytetrafluoroethylene (PTFE) or Machining of Ceramics into；Avoid flexible silk material further by thermal softening,
Isolation heat conduction.
Mounting means between driving gear 3 and driven gear 4 and support 7：3 interference fit mounting bracket 7 of driving gear
On, driven gear 4 is linked and is fixedly mounted on support 7 by fixing bolt；Or driving gear 3 is linked by fixing bolt
And on mounting bracket 7,4 interference fit of driven gear is arranged on support 7；Or driving gear 3 is pacified by interference fit
On dress support 7,4 interference fit of driven gear is arranged on support 7；Or driving gear 3 is linked by fixing bolt and fixed
In mounting bracket 7, driven gear 4 is linked and is fixedly mounted on support 7 by fixing bolt, will be main using above-mentioned mounting means
Dynamic swing pinion is fixedly mounted on the fixing end of wire feeding device, on the one hand can increase the positioning precision of mechanism, so as to protect
Demonstrate,prove its foreign steamer radial location and enter the positional precision in the Silk Road footpath；And then TPU silk materials are in FDM print procedures, it is necessary to, also can only,
Wire is carried out according to the default path of wire feeding device, the possibility for twining silk is eliminated from free surrounding space, on the other hand, most attached most importance to
Want, eliminate the generation space that may twine silk, by the external force of wire feeding device, it is ensured that the smooth enforcement of FDM print jobs.
With 4 installation site of driving gear 3 and driven gear in driving gear fixing shell 1, driven gear fixing shell 2
Relative side wall upper shed, the right side of opening arrange fan；Using by the way of seal casinghousing upper shed, allowing outside wire feeding device
Cooling fan act directly on above flexible silk material, gear caused by heat may be transmitted to reduce wire feeding device lower end nozzle
Temperature rise, increases cooling effect, reduces resistive element and heats the possibility that the flexible silk material temperature brought rises the softness increase for causing.
Printed silk material enters the driving gear angular velocity omega of silk：
Wherein ΦsFor 6 diameter of nozzle, ΦgFor driving gear 3 and the overall diameter of driven gear 4, ΦlBy printing silk material
Diameter, v are 6 movement velocity of nozzle, and Δ h is the thickness that nozzle 6 prints part.
The present invention increases a trunnion device, eliminates driving gear and driven gear and the gap entered between silk mouth so that
Twining silk, wrapping wire does not have space occur.
The present invention abandons original spring design, and driving gear 3 and driven gear 4 are separately fixed at the structure of certain size
On part, by the cooperation of component, the gap between control active, driven gear, so as to more be accurately controlled entering for flexible silk material
Silk process, improves the job stability of equipment.
Wire feeding device is designed as sealing structure by the present invention, completely cuts off external environment condition, if dust, particle etc. are to wire feeding device
Affect, silk is precisely entered in realization.
The present invention cancels Manual press and enters silk, is changed to be rotarily driven the people that wire feeding device is reduced into silk by driving gear 3
For operation, increase stabilization of equipment performance.
The present invention can cause the flexible materials such as TPU avoid twining on common fusion sediment method 3D printing machine silk, around
The generation of silk phenomenon so that the 3D printing of flexible material can be smoothed out.The HA of flexible material can as little as 60, can also be just
It is normal to print, can not be smoothed out being a greatly breakthrough to thinking in prior art that hardness number HA is printed less than 80.
Description of the drawings
Fig. 1 is the structural representation of the wire feeding device of the described flexible increasing material manufacturing of the present invention,
The A-A sectional views of Fig. 2 Fig. 1, wherein arrow represent wind direction；
1 driving gear fixing shell in Fig. 1 and 2,2 driven gear fixing shells, 3 driving gears,
4 driven gear, 4,5 trunnion, 6 nozzles, 7 supports, 8 accumulators；
Fig. 3 is the structural representation of wire feeding device in prior art,
21 driving gear in Fig. 3,22 silk materials, 23 connecting rods, 24 pressing plates, 25 springs,
26 gripper shoes, 27 driven gears, 28 nozzles, 29 trunnions.
Specific embodiment
Specific embodiment one：With reference to Fig. 1 and Fig. 2 explanation present embodiments, the flexible filaments described in present embodiment
The wire feeding device of material fusion sediment increasing material manufacturing includes driving gear 3, driven gear 4 and nozzle 6, driving gear 3 and driven tooth
Gap is remained between wheel 4, and driving gear 3 and driven gear 4 are symmetricly set on the support 7 of 3D printing, gap width is institute
0.9 times of silk material diameter is printed, nozzle 6 between driving gear 3 and driven gear 4, immediately below gap, is provided with, this enters a machine
Structure also includes driving gear fixing shell 1, driven gear fixing shell 2 and trunnion 5, driving gear fixing shell 1 and driven tooth
Wheel fixing shell 2 is symmetrically and fixedly mounted on support, and trunnion 5, the trunnion 5 are provided between driving gear 3 and driven gear 4
1.5 times less than printed silk material diameter of the distance between top surface and 3 lower limb of driving gear, trunnion 5 is made of ceramic materials,
5 bottom of trunnion has been threaded connection accumulator 8, and the bottom surface of accumulator 8 is concordant with the bottom surface of trunnion 5, and 8 bottom of accumulator is close
Trunnion 5 is provided with charging aperture 9, and 8 bottom of accumulator has been threaded connection nozzle 6, the top of nozzle 6 and the charging of accumulator 8
Mouth connection.
Mounting means between the driving gear 3 and driven gear 4 and support 7：3 interference fit of driving gear is installed and is propped up
On frame 7, driven gear 4 is arranged on support 7 by fixing bolt.
With 4 installation site of driving gear 3 and driven gear in driving gear fixing shell 1, driven gear fixing shell 2
Perforate on relative side wall, the right side of perforate arrange fan.
Printed silk material enters the driving gear angular velocity omega of silk：
Wherein ΦsFor 6 diameter of nozzle, ΦgFor driving gear (3) and the overall diameter of driven gear (4), ΦlBy printing silk
The diameter of material, v are 6 movement velocity of nozzle, and Δ h is the thickness that nozzle 6 prints part.
Spring design of the prior art is abandoned in present embodiment, by 3 interference fit mounting bracket 7 of driving gear
On, driven gear 4 is arranged on support 7 by fixing bolt, by the cooperation of component, between control active, driven gear
Gap, so as to more be accurately controlled a process of entering for flexible silk material, improves the job stability of equipment, and ensure that gear half
Path position and the positional precision for entering the Silk Road footpath, while the generation space that may twine silk is eliminated, so as to active, the phase of driven gear
Position is also accurately fixed, TPU silk materials can only carry out wire according to the default path of wire feeding device in FDM print procedures
Nozzle is downwardly into, the possibility for twining silk is eliminated from free surrounding space, it is ensured that the smooth enforcement of FDM print jobs.
The trunnion 5 that present embodiment increases, effectively reduces driving gear 3 and driven gear 4 and nozzle 6 enters between silk mouth
Gap so that twining silk, wrapping wire does not have space occur；Trunnion 5 is made using heat-insulating material, and flexible silk material can be avoided to enter
One step receives thermal softening, and printed flexibility silk material was completely cut off before into nozzle 6 heat conduction；Fix in active, driven gear
Ventilation orifice is set on shell, and the cooling wind allowed outside mechanism is acted directly in flexible silk material, is increased cooling effect, is reduced
The flexible silk material temperature that resistive element heating brings rises the degree that the softness for causing increases.
In the present invention in flexible silk material continuous feed, in the case that the fusing of flexible silk material is excessive, unnecessary melt can be with
It is temporarily stored within accumulator, larger reaction force so will not be caused to silk material.
Wire feeding device described in present embodiment may be designed as sealing structure, completely cut off external environment condition, and such as dust, particle etc. are to entering
Silk is precisely entered in the impact of silk mechanism, realization.Which is rotarily driven the manual operation that wire feeding device is reduced into silk, energy by driving gear
Enough increase stabilization of equipment performance.
For the calculating of the driving gear angular velocity omega that printed silk material enters silk, generally, after mechanism's complete design,
Its jet diameters Φs, gear overall diameter Φg, and gauge or diameter of wire ΦlAlso value is all to determine, then the angular speed of gear rotation and spray
Print speed v of head, Δ h is proportional for thickness, i.e. shower nozzle movement velocity v is bigger, and thickness is bigger, and gear rotation is also faster,
To supplement the volume of the melting silk material consumed in shower nozzle same time.
Claims (8)
1. a kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing, it include driving gear (3), driven gear (4) and
Nozzle (6), driving gear (3) and driven gear (4) are symmetricly set on the support (7) of 3D printing, and driving gear (3) with from
Gap is remained between moving gear (4), between driving gear (3) and driven gear (4), immediately below gap, nozzle is provided with
(6)；
It is characterized in that the wire feeding device also includes driving gear fixing shell (1), driven gear fixing shell (2), trunnion (5)
With accumulator (8), driving gear fixing shell (1) and driven gear fixing shell (2) be symmetrically and fixedly mounted on support (7),
Trunnion (5) is provided between driving gear (3) and driven gear (4), trunnion (5) top surface is not less than the lower limb of driving gear,
Trunnion (5) is made up of heat-insulating material, and trunnion (5) bottom is removably connected with accumulator 8, bottom surface and the trunnion (5) of accumulator (8)
Bottom surface it is concordant, accumulator (8) bottom is provided with charging aperture (9) near trunnion (5), and 8 bottom of accumulator is removably connected with spray
Mouth (6), the top of nozzle (6) are connected with the charging aperture of accumulator (8).
2. a kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing according to claim 1, it is characterised in that larynx
The distance between lower limb of pipe (5) top surface and driving gear (3) and driven gear (4) is not more than the 1 of printed silk material diameter
～2 times.
3. a kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing according to claim 1, it is characterised in that institute
State trunnion (5) be by polytetrafluoroethylene (PTFE) or Machining of Ceramics into.
4. the wire feeding device of a kind of flexible silk material fusion sediment increasing material manufacturing according to claim 1, it is characterised in that main
Mounting means between moving gear (3) and driven gear (4) and support (7)：In driving gear (3) interference fit mounting bracket,
Driven gear (4) is arranged on support (7) by fixing bolt；Or driving gear (3) is by fixing bolt mounting bracket (7)
On, driven gear (4) interference fit is arranged on support (7)；Or driving gear (3) is by interference fit mounting bracket (7)
On, driven gear (4) interference fit is arranged on support (7)；Or driving gear (3) is by fixing bolt mounting bracket (7)
On, driven gear (4) is arranged on support (7) by fixing bolt.
5. the wire feeding device of a kind of flexible silk material fusion sediment increasing material manufacturing according to claim 1, it is characterised in that
With driving gear (3) and driven gear (4) installation site phase in driving gear fixing shell (1), driven gear fixing shell (2)
To side wall upper shed, the right side of opening arranges fan.
6. a kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing according to claim 1, it is characterised in that institute
State printed silk material and enter the driving gear angular velocity omega of silk and be：
Wherein ΦsFor nozzle (6) diameter, ΦgFor driving gear (3) and the overall diameter of driven gear (4), ΦlBy printing silk material
Diameter, v be nozzle (6) movement velocity, Δ h be nozzle (6) print part thickness.
7. a kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing according to claim 1, it is characterised in that institute
The shape for stating accumulator (8) is cuboid or cylinder.
8. the wire feeding device of a kind of flexible silk material fusion sediment increasing material manufacturing according to claim 1, it is characterised in that dynamic
0.5～1 times by printing silk material diameter of the gap width in gap between gear (3) and driven gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971536.7A CN106515006B (en) | 2016-11-04 | 2016-11-04 | A kind of wire feeding device of flexibility silk material fusion sediment increasing material manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971536.7A CN106515006B (en) | 2016-11-04 | 2016-11-04 | A kind of wire feeding device of flexibility silk material fusion sediment increasing material manufacturing |
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| CN106515006A true CN106515006A (en) | 2017-03-22 |
| CN106515006B CN106515006B (en) | 2019-03-08 |
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| CN201610971536.7A Active CN106515006B (en) | 2016-11-04 | 2016-11-04 | A kind of wire feeding device of flexibility silk material fusion sediment increasing material manufacturing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053660A (en) * | 2017-06-05 | 2017-08-18 | 苏州大学 | FDM formula flexible material 3D printing shower nozzles |
| CN112041151A (en) * | 2018-04-23 | 2020-12-04 | 联结高性能3D技术有限公司 | System for additive manufacturing |
| CN112584997A (en) * | 2018-08-21 | 2021-03-30 | 三菱瓦斯化学株式会社 | Molding apparatus, molding method, and method for manufacturing molded product |
| CN113103582A (en) * | 2021-04-16 | 2021-07-13 | 安正时尚集团股份有限公司 | 3D printing device for high-elastic thermal fabric and using method thereof |
| US11926098B1 (en) | 2023-02-20 | 2024-03-12 | Nanjing University Of Aeronautics And Astronautics | Wire feeding mechanism suitable for fused deposition Additive Manufacturing (AM) of flexible wire |
| WO2024087421A1 (en) * | 2022-10-28 | 2024-05-02 | 南京航空航天大学 | Wire feeding mechanism suitable for fused deposition additive manufacturing of flexible wire |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231517A (en) * | 2013-05-08 | 2013-08-07 | 吴洁 | 3D (three dimensional) printer extrusion apparatus applied in fuse stacking technology |
| CN104608384A (en) * | 2015-01-30 | 2015-05-13 | 郭浩 | 3D (three-dimensional) printer |
| CN105216329A (en) * | 2015-10-29 | 2016-01-06 | 武汉市贝恩三维科技有限公司 | Far and near end one 3D printhead |
| KR20160021642A (en) * | 2014-08-18 | 2016-02-26 | 엘지전자 주식회사 | 3D Printer and Control method of the same |
| CN105538722A (en) * | 2016-02-01 | 2016-05-04 | 成都墨之坊科技有限公司 | Intelligent printer |
| CN205395173U (en) * | 2016-02-26 | 2016-07-27 | 深圳市优特打印耗材有限公司 | Steady feeding mechanism of 3D printer |
| CN206254495U (en) * | 2016-11-04 | 2017-06-16 | 哈尔滨理工大学 | A kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing |
-
2016
- 2016-11-04 CN CN201610971536.7A patent/CN106515006B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231517A (en) * | 2013-05-08 | 2013-08-07 | 吴洁 | 3D (three dimensional) printer extrusion apparatus applied in fuse stacking technology |
| KR20160021642A (en) * | 2014-08-18 | 2016-02-26 | 엘지전자 주식회사 | 3D Printer and Control method of the same |
| CN104608384A (en) * | 2015-01-30 | 2015-05-13 | 郭浩 | 3D (three-dimensional) printer |
| CN105216329A (en) * | 2015-10-29 | 2016-01-06 | 武汉市贝恩三维科技有限公司 | Far and near end one 3D printhead |
| CN105538722A (en) * | 2016-02-01 | 2016-05-04 | 成都墨之坊科技有限公司 | Intelligent printer |
| CN205395173U (en) * | 2016-02-26 | 2016-07-27 | 深圳市优特打印耗材有限公司 | Steady feeding mechanism of 3D printer |
| CN206254495U (en) * | 2016-11-04 | 2017-06-16 | 哈尔滨理工大学 | A kind of wire feeding device of flexible silk material fusion sediment increasing material manufacturing |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053660A (en) * | 2017-06-05 | 2017-08-18 | 苏州大学 | FDM formula flexible material 3D printing shower nozzles |
| CN112041151A (en) * | 2018-04-23 | 2020-12-04 | 联结高性能3D技术有限公司 | System for additive manufacturing |
| CN112584997A (en) * | 2018-08-21 | 2021-03-30 | 三菱瓦斯化学株式会社 | Molding apparatus, molding method, and method for manufacturing molded product |
| EP3842216A4 (en) * | 2018-08-21 | 2022-01-05 | Mitsubishi Gas Chemical Company, Inc. | Molding apparatus, molding method, and method for producing molded article |
| TWI800673B (en) * | 2018-08-21 | 2023-05-01 | 日商三菱瓦斯化學股份有限公司 | Molding device and method for manufacturing molded product |
| US11938676B2 (en) | 2018-08-21 | 2024-03-26 | Mitsubishi Gas Chemical Company, Inc. | Molding apparatus, molding method, and method for producing molded article |
| CN113103582A (en) * | 2021-04-16 | 2021-07-13 | 安正时尚集团股份有限公司 | 3D printing device for high-elastic thermal fabric and using method thereof |
| CN113103582B (en) * | 2021-04-16 | 2021-10-22 | 安正时尚集团股份有限公司 | 3D printing device for high-elastic thermal fabric and using method thereof |
| WO2024087421A1 (en) * | 2022-10-28 | 2024-05-02 | 南京航空航天大学 | Wire feeding mechanism suitable for fused deposition additive manufacturing of flexible wire |
| US11926098B1 (en) | 2023-02-20 | 2024-03-12 | Nanjing University Of Aeronautics And Astronautics | Wire feeding mechanism suitable for fused deposition Additive Manufacturing (AM) of flexible wire |
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| CN106515006B (en) | 2019-03-08 |
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