CN108568968A - A kind of 3D printer - Google Patents
A kind of 3D printer Download PDFInfo
- Publication number
- CN108568968A CN108568968A CN201810732070.4A CN201810732070A CN108568968A CN 108568968 A CN108568968 A CN 108568968A CN 201810732070 A CN201810732070 A CN 201810732070A CN 108568968 A CN108568968 A CN 108568968A
- Authority
- CN
- China
- Prior art keywords
- work pallet
- rod
- supporting plate
- work
- pallet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The present invention provides a kind of 3D printers comprising printing head, pedestal, work pallet, the body of rod and jack-up executing agency；It is provided with multiple axis holes on the work pallet；It is arranged on the axis hole to the body of rod Telescopic sliding；The body of rod is moved relative to the work pallet, and the top opening's edge of the axis hole is stretched out at the top of the body of rod or is exited in axis hole；When stretching out the axis hole at the top of the body of rod, the top of the body of rod protrudes the top work top of work pallet, and then forces being detached with work pallet by printing workpiece on work top；Being provided on the top surface of the body of rod can be with the adhesive coating that is bonded by printing workpiece；Work pallet is laid with anti-stick coating.The configuration of the present invention is simple, it is very easy to use, the stripping by printing workpiece and work top can be fast implemented, retracts that simple, working efficiency is very high.
Description
Technical field
The present invention relates to 3D printing technique fields, more particularly, to a kind of 3D printer that achievable workpiece automatically strips.
Background technology
3D printer is as a kind of emerging equipment at present, substantially a kind of still printing device, with science and technology
It is constantly promoted, the envelop of function of 3D printer is also increasingly broader.
In 3D printer, as accept material machine table always in printer in occupation of and its important position,
But there are printed matter Products at work and retract the problems such as difficult, working efficiency is low in current processing platform, in view of the above problems, anxious
Innovative design need to be carried out on the basis of original machine table, to improve working efficiency and protect article.
Invention content
The purpose of the present invention is to provide a kind of 3D printers, to solve to propose that finished product retracts difficulty in above-mentioned background technology
The technical issues of.
In order to solve the above technical problems, a kind of 3D printer provided by the invention, including：Printing head, pedestal, working plate
Platform, the body of rod and jack-up executing agency；
The printing head includes material conveying mechanism and forming nozzle；
The work pallet is plate, and setting is on the base；
It is provided with multiple axis holes on the work pallet；
It is arranged on the axis hole to the body of rod Telescopic sliding；
The jack-up executing agency is set on the base, for driving the body of rod and/or work pallet to move up and down, bar
Body is moved relative to the work pallet, and the top opening's edge of the axis hole is stretched out at the top of the body of rod or is exited in axis hole；The body of rod
When the axis hole is stretched out at top, the top of the body of rod protrudes the top work top of work pallet, and then forces on work top
It is detached with work pallet by printing workpiece；
Being provided on the top surface of the body of rod can be with the adhesive coating that is bonded by printing workpiece；
It is laid with anti-stick coating on the work top of the work pallet.
The configuration of the present invention is simple, it is very easy to use, the stripping by printing workpiece and work top can be fast implemented, is torn open
Take that simple, working efficiency is very high.When being held up workpiece using mandril, workpiece bonds together with the body of rod so that workpiece is steady
It is simultaneously smoothly detached with the work pallet of 3D printer Gu rising.
Further, the adhesive coating is non-drying glue layer.
Further, it is provided with the elastic buffer portion made of rubber material at the top of the body of rod；The adhesive coating
It is arranged on the top surface in elastic buffer portion.
In any of the above-described technical solution, further, the 3D printer further includes supporting plate；
The work pallet is arranged with the pedestal interval；
The supporting plate is arranged between the work pallet and the pedestal, and supporting plate and the work pallet spacing are adjustable,
Multiple bodies of rod are arranged on the supporting plate.
In any of the above-described technical solution, further, the supporting plate can move up and down (can be closer or far from the work
Make pallet) be arranged on the base, the jack-up executing agency forces the body of rod along the axis hole by the supporting plate
Sliding.
In any of the above-described technical solution, further, the work pallet can move up and down (can be closer or far from institute
State pedestal) be arranged on the base, the jack-up executing agency connect with the work pallet, for forcing work pallet
It lifts or falls.
In any of the above-described technical solution, further, the supporting plate and the work pallet can move up and down (i.e. respectively
Can be closer or far from the pedestal) be arranged on the base, the jack-up executing agency respectively with the supporting plate and described
Work pallet connection, for adjusting the spacing distance between the supporting plate and the work pallet, and then the body of rod is forced to be stretched
Go out the axis hole or exits in axis hole.
In any of the above-described technical solution, further, the jack-up executing agency includes motor and transmission mechanism.
Wherein motor is connect by transmission mechanism with the work pallet and/or supporting plate.
Wherein transmission mechanism is preferably screw transmission.
When work pallet and the supporting plate are movably arranged simultaneously, screw transmission includes the first screw transmission and the
Two screw transmissions, wherein motor can be a single motor, and single motor passes through the first screw transmission and the second leading screw respectively
Transmission is connect with the work pallet with the supporting plate, the transmission direction phase of the first screw transmission and the second screw transmission
Instead, when transmission, the work pallet is moved with the supporting plate synchronous backward；
In addition, motor may be two, including first motor and the second motor, first motor and the second motor lead to respectively
The first screw transmission and the second screw transmission is crossed to connect with the supporting plate with the work pallet；Two motors are independently
Control the movement of the work pallet and the supporting plate.
In any of the above-described technical solution, further, the supporting plate is plate body, and supporting plate is parallel with the work pallet
Setting.
In any of the above-described technical solution, further, the 3D printer further includes for the supporting plate and/or described
The guide frame of work pallet mobile guide.
In any of the above-described technical solution, further, the guide frame includes guide post, guide post and the axis hole
It is arranged in parallel, the pilot hole for being oriented to cooperation with the guide post is provided on the supporting plate and/or the work pallet.
In any of the above-described technical solution, further, the guide post is arranged in the work pallet and the pedestal
Between interval in.
Certainly, there are many guide frame form, such as can also be provided between the work pallet and the pedestal
Various forms of tracks in interval, the supporting plate and/or the work pallet can slide up and down to setting on that track；Or
The guide pin on supporting plate and/or the work pallet is arranged in person, is provided on pedestal and is slidably matched with guide pin
Pilot hole.
Wherein, anti-stick coating is equably covered on work top, and printed material and work pallet can be effectively prevent viscous
Even, damaged, the planarization of the damaged work pallet of setting occurs when workpiece sizing and work pallet being avoided to be detached from.
There are many anti-stick coating form, for example, Teflon anti-stick coating, nanometer GN-205 high temperature non-sticking lining, ceramic material
Manufactured anti-stick coating, or be anti-stick coating etc. made of nichrome.
In any of the above-described technical solution, further, the axis hole is in uniformly that matrix-style is uniformly distributed.
Further include dynamic clamping head and quiet clamping head further, dynamic clamping head and quiet clamping head is arranged in the support in any of the above-described technical solution
Between plate and the work pallet, the own resilient of dynamic clamping head and quiet clamping head be intended to force the supporting plate far from the work pallet into
And the body of rod top is retracted in the axis hole.
Wherein it is preferred to which the dynamic clamping head and quiet clamping head is compression helical spring, rubber spring or gas spring etc..
In any of the above-described technical solution, further, the body of rod top surface and total cohesion of the workpiece are not less than
Cementation failure loading force, wherein Cementation failure loading force is during workpiece is printed and jacked up, to be intended to force workpiece opposite
In the power of body of rod movement, specifically：
fb·A·F≥P
P- Cementation failure loading forces, N；Cementation failure loading force and print speed, tack of materials positive correlation；
A- Bonding areas, mm2；
Assuming that there is the X body of rod to be contacted with workpiece, Bonding area A=XS
S- body of rod top surface areas, S=π r2
R- shank diameters；
fbAdhesive coating coheres coefficient；
F is by the weight of printing objects.
3D printer provided by the invention, it is simple in structure, it is very easy to use, it can fast implement by printing workpiece and work
The stripping for making table top, retracts that simple, working efficiency is very high.
Description of the drawings
It below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of 3D printer provided in an embodiment of the present invention；
Fig. 2 is fundamental diagram when 3D printer workpiece shown in FIG. 1 is removed；
Fig. 3 is the structural schematic diagram of the body of rod in the embodiment of the present invention；
Fig. 4 is the partial sectional view of pallet of working in the embodiment of the present invention；
Fig. 5 is the vertical view of pallet of working in the embodiment of the present invention.
Reference numeral：
1- workpiece；10- pedestals；20- work pallets；21- axis holes；22- anti-stick coatings；The 30- bodies of rod；31- supporting plates；30a-
Adhesive coating；30b- elastic buffers portion；40- guide posts；50- printing heads；51- forming nozzles.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
With reference to specific embodiment the present invention will be further explained explanation.
As illustrated in fig. 1 and 2, present embodiment discloses a kind of 3D printers, including：Printing head 50, pedestal 10, working plate
Platform 20, the body of rod 30 and jack-up executing agency (not shown)；Printing head 50 include material conveying mechanism (not shown) and at
Type nozzle 51.
The work pallet 20 is plate, is arranged on the pedestal 10.
It is provided with multiple axis holes 21 on the work pallet 20；It is arranged in the axis hole to 30 Telescopic sliding of the body of rod
On 21.
The jack-up executing agency is arranged on pedestal 10, for driving the body of rod 30 and/or about 20 pallet of work
Mobile, the body of rod 30 stretches out the top opening's edge of the axis hole 21 relative to the work pallet 20 movement or exits in axis hole 21；Institute
When stating the body of rod 30 and stretching out the axis hole 21, the top of the body of rod 30 protrudes the top work top of work pallet 20, and then forces work
The workpiece 1 made on table top is detached with work pallet 20.
The configuration of the present invention is simple, it is very easy to use, the stripping by printing workpiece and work top can be fast implemented, is torn open
Take that simple, working efficiency is very high.
It can be with the adhesive coating 30a that is bonded by printing workpiece as shown in figure 3, being provided on the top surface of the body of rod 30.
Wherein preferably, the adhesive coating 30a is non-drying glue layer.
In addition, being provided with the elastic buffer portion 30b made of rubber material at the top of the body of rod；The adhesive coating
It is arranged on the top surface of elastic buffer portion 30b.
The configuration of the present invention is simple, when being held up workpiece using mandril, workpiece bonds together with the body of rod so that workpiece is steady
It is simultaneously smoothly detached with the work pallet of 3D printer Gu rising, separative efficiency higher.
In any of the above-described technical solution, further, the mechanism for stripping further includes supporting plate 31.
The work pallet 20 is arranged with the interval of the pedestal 10；The supporting plate 31 is arranged in the work pallet 20 and institute
Between stating pedestal 10, supporting plate 31 and 20 spacing of work pallet are adjustable, and multiple bodies of rod 30 are arranged in the supporting plate 31
On.
In the present embodiment, the body of rod 30 is wholely set with supporting plate 31, and in certain practical application, the two more preferably can be used
Split settings, the body of rod are arranged by fastener or fastening means on supporting plate.
In any of the above-described technical solution, further, the supporting plate 31 can move up and down (can be closer or far from institute
State work pallet 20) be arranged on the pedestal 10, the jack-up executing agency forces the body of rod by the supporting plate 31
30 slide along the axis hole 21.
Wherein, the jack-up executing agency includes motor and transmission mechanism.Motor is connect by transmission mechanism with supporting plate 31.
Wherein transmission mechanism is preferably screw transmission.
Supporting plate is set in by transmission nut on leading screw, and motor drives leading screw rotation, and then can drive on supporting plate and move down
It is dynamic.
It, can also be by the way of the movement of work pallet, specifically, described to realize the stretching of the body of rod or retracting axis hole
Work pallet 20 is arranged on the pedestal 10 in which can move up and down (can be closer or far from the pedestal 10), and the jack-up is held
Row mechanism is connect with the work pallet 20, for forcing work pallet 20 to lift or fall.
Alternatively, the supporting plate 31 and the work pallet 20 move towards respectively simultaneously, the jack-up executing agency difference
It is connect with the supporting plate 31 and the work pallet 20, for adjusting the interval between the supporting plate 31 and the work pallet 20
Distance, and then the body of rod 30 is forced to stretch out the axis hole 21 or exit in axis hole 21.
When the pallet 20 that works is movably arranged simultaneously with the supporting plate 31, screw transmission includes the first screw transmission
With the second screw transmission, wherein motor can be a single motor, and single motor passes through the first screw transmission and second respectively
Screw transmission is connect with the work pallet 20 with the supporting plate 31, the biography of the first screw transmission and the second screw transmission
On the contrary, when being driven, the work pallet 20 is moved with 31 synchronous backward of the supporting plate in dynamic direction；
In addition, motor may be two, including first motor and the second motor, first motor and the second motor lead to respectively
The first screw transmission and the second screw transmission is crossed to connect with the supporting plate 31 with the work pallet 20；Two motor difference
Work the movement of pallet 20 and the supporting plate 31 described in independent control.
Wherein, the supporting plate 31 is plate body, and supporting plate 31 is arranged in parallel with the work pallet 20.
In any of the above-described technical solution, further, the mechanism for stripping further includes being used for the supporting plate 31 and/or institute
State the guide frame of 20 mobile guide of work pallet.
In the present embodiment, the guide frame includes guide post 40, and guide post 40 is arranged in parallel with the axis hole 21, institute
State the pilot hole for being provided on supporting plate 31 and being oriented to cooperation with the guide post.
Certainly, there are many guide frame form, for example, can also be provided in the work pallet 20 and the pedestal 10 it
Between interval in various forms of tracks, the supporting plate 31 and/or the work pallet 20, which can slide up and down to, to be arranged in the rail
On road；Alternatively, the guide pin on supporting plate 31 and/or the work pallet 20 is arranged, it is provided with and is oriented on pedestal 10
The pilot hole of pin slide cooperation.
In any of the above-described technical solution, further, as shown in figure 4, being applied on the work top of the work pallet 20
Equipped with anti-stick coating 22.
Wherein, anti-stick coating 22 is equably covered on work top, can effectively prevent printed material and work pallet
20 adhesions, generation is damaged when workpiece sizing being avoided to be detached from work pallet 20, and the planarization of damaged work pallet 20 is arranged.
There are many anti-stick coating form, for example, Teflon anti-stick coating, nanometer GN-205 high temperature non-sticking lining, ceramic material
Manufactured anti-stick coating, or be anti-stick coating etc. made of nichrome.
In any of the above-described technical solution, further, as shown in figure 5, the axis hole 21 is uniformly uniform in matrix-style
It lays.
Wherein, the body of rod top surface and total cohesion of the workpiece are not less than Cementation failure loading force, wherein cohere brokenly
Bad loading force is that workpiece prints and during being jacked up, is intended to the power for forcing workpiece move relative to the body of rod, specifically and
Speech：
fb·A·F≥P
P- Cementation failure loading forces, N；Cementation failure loading force and print speed, tack of materials positive correlation；
A- Bonding areas, mm2；
Assuming that there is the X body of rod to be contacted with workpiece, Bonding area A=XS
S- body of rod top surface areas, S=π r2
R- shank diameters；
fbAdhesive coating coheres coefficient；
F is by the weight of printing objects.
3D printer provided by the invention, it is simple in structure, it is very easy to use, it can fast implement by printing workpiece and work
The stripping for making table top, retracts that simple, working efficiency is very high.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of 3D printer, which is characterized in that including：Printing head, pedestal, work pallet, the body of rod and jack-up executing agency；
The printing head includes material conveying mechanism and forming nozzle；
The work pallet is plate, and setting is on the base；
It is provided with multiple axis holes on the work pallet；
It is arranged on the axis hole to the body of rod Telescopic sliding；
The jack-up executing agency is set on the base, for driving the body of rod and/or work pallet to move up and down, body of rod phase
The work pallet is moved, the top opening's edge of the axis hole is stretched out at the top of the body of rod or is exited in axis hole；At the top of the body of rod
When stretching out the axis hole, the top of the body of rod protrudes the top work top of work pallet, and then forces being beaten on work top
Print workpiece is detached with work pallet；
It is provided with the elastic buffer portion made of rubber material at the top of the body of rod；
It is provided with adhesive coating on the top surface in the elastic buffer portion；
It is laid with anti-stick coating on the work top of the work pallet.
2. 3D printer according to claim 1, which is characterized in that the adhesive coating is non-drying glue layer.
3. 3D printer according to claim 1, which is characterized in that the 3D printer further includes supporting plate；
The work pallet is arranged with the pedestal interval；
The supporting plate is arranged between the work pallet and the pedestal, and supporting plate and the work pallet spacing are adjustable, multiple
The body of rod is arranged on the supporting plate.
4. 3D printer according to claim 3, which is characterized in that the supporting plate can be arranged up or down at the bottom
On seat, the jack-up executing agency forces the body of rod to be slided along the axis hole by the supporting plate；
Alternatively, the work pallet can be up or down arranged on the base, the jack-up executing agency and the work
Pallet connects, for forcing work pallet to lift or fall.
5. 3D printer according to claim 3, which is characterized in that the supporting plate and the work pallet respectively can be upper and lower
It is movably arranged on the pedestal, the jack-up executing agency connect with the supporting plate and the work pallet respectively, is used for
The spacing distance between the supporting plate and the work pallet is adjusted, and then the body of rod is forced to stretch out the axis hole or exit
In axis hole.
6. 3D printer according to claim 5, which is characterized in that the jack-up executing agency includes motor and driver
Structure；
Transmission mechanism is preferably screw transmission；
The screw transmission includes the first screw transmission and the second screw transmission, and the motor is a single motor, single
Motor is connect with the work pallet with the supporting plate by the first screw transmission and the second screw transmission respectively, first
The transmission direction of thick stick transmission and the second screw transmission is on the contrary, when transmission, the work pallet and the supporting plate synchronous backward
Movement.
7. 3D printer according to claim 3, which is characterized in that the supporting plate is plate body, supporting plate and the work
Pallet is arranged in parallel.
8. 3D printer according to claim 3, which is characterized in that the 3D printer further include for the supporting plate and
Or the guide frame of the work pallet mobile guide.
9. 3D printer according to claim 3, which is characterized in that further include dynamic clamping head and quiet clamping head, dynamic clamping head and quiet clamping head setting
Between the supporting plate and the work pallet, the own resilient of dynamic clamping head and quiet clamping head is intended to force the supporting plate far from the work
Make pallet so that the body of rod top is retracted in the axis hole.
10. 3D printer according to claim 1, which is characterized in that always cohered with the workpiece the body of rod top surface
Power is not less than Cementation failure loading force, wherein Cementation failure loading force is during workpiece is printed and jacked up, to be intended to force
The power that workpiece is moved relative to the body of rod, specifically：
fb·A·F≥P
P- Cementation failure loading forces, N；Cementation failure loading force and print speed, tack of materials positive correlation；
A- Bonding areas, mm2；
Assuming that there is the X body of rod to be contacted with workpiece, Bonding area A=XS
S- body of rod top surface areas, S=π r2
R- shank diameters；
fbAdhesive coating coheres coefficient；
F is by the weight of printing objects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732070.4A CN108568968A (en) | 2018-07-05 | 2018-07-05 | A kind of 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810732070.4A CN108568968A (en) | 2018-07-05 | 2018-07-05 | A kind of 3D printer |
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| CN108568968A true CN108568968A (en) | 2018-09-25 |
Family
ID=63573858
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112264620A (en) * | 2020-11-07 | 2021-01-26 | 齐齐哈尔金车工业有限责任公司 | Simple 3D printing system with selective resistance heating |
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| CN207240863U (en) * | 2017-09-29 | 2018-04-17 | 成都航空职业技术学院 | A kind of large-scale 3D printer mobile foundation |
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| CN107820200A (en) * | 2017-12-22 | 2018-03-20 | 奥音精密机械（镇江）有限公司 | A kind of special ejection module of the flexible manufacturing production line of loudspeaker |
| CN108127920A (en) * | 2018-01-31 | 2018-06-08 | 宁夏共享模具有限公司 | A kind of print platform for FDM moulding process |
| CN208827146U (en) * | 2018-07-05 | 2019-05-07 | 北京商鲲三维创想科技有限公司 | A kind of 3D printer |
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| CN109228343A (en) * | 2018-09-29 | 2019-01-18 | 先临三维科技股份有限公司 | 3D printing carrying platform and full-automatic printing method based on the carrying platform |
| CN109228343B (en) * | 2018-09-29 | 2020-07-24 | 先临三维科技股份有限公司 | 3D printing bearing platform and full-automatic printing method based on bearing platform |
| CN112264620A (en) * | 2020-11-07 | 2021-01-26 | 齐齐哈尔金车工业有限责任公司 | Simple 3D printing system with selective resistance heating |
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