CN108422793A - A kind of 3D printing metal handicrafts manufacture craft - Google Patents
A kind of 3D printing metal handicrafts manufacture craft Download PDFInfo
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- CN108422793A CN108422793A CN201810402180.4A CN201810402180A CN108422793A CN 108422793 A CN108422793 A CN 108422793A CN 201810402180 A CN201810402180 A CN 201810402180A CN 108422793 A CN108422793 A CN 108422793A
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- printing
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- silica gel
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- metal handicrafts
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
-
- 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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
-
- 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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a kind of 3D printing metal handicrafts manufacture crafts, the manufacture craft includes that three-dimensional digital model makes, 3D printing, silica gel mould makes, green compact make, vacuum-sintering, post-treating and other steps, by the way that 3D printing technique is introduced into the making of metal handicrafts, in combination with traditional turn over the mold type technique, using metal powder as raw material, both it can prepare miniature, small-sized exquisite type craftwork, it can also realize the sectional forming of large scale craftwork, overcome traditional metal crafts product casting or machining can not achieve large-size components making and also technical process it is cumbersome, the higher disadvantage of cost, it is simple for process, operational sequence is few, it takes few, ratio of briquetting is high, it is simple and efficient, suitable for mass and large-scale production.
Description
Technical field
The present invention relates to metal handicrafts manufacture technology fields, and in particular to a kind of 3D printing metal handicrafts making work
Skill.
Background technology
Metal handicrafts refers to using the metal materials such as gold, silver, copper, iron, tin, or be mainly made of metal materials, and is aided with other materials
Expect, the craftwork with artistry made of processing and fabricating has thick and heavy, forceful, luxurious, elegant, fine style characteristic.It passes
The metal handicrafts of system is divided into utility, exhibit and jewellery three classes by purposes, and utility has bottle, disk, stove, chafing dish, silverware
With daily utensils and the religion Buddhist ceremony articles for use such as clock such as tin drinking utensils, tea set, use up, stove, bell etc., exhibit has screen, wall ornamentation, pendulum
Part, car decoration, horse decorations, sedan-chair decorations, jewellery have head hairpin, ring, bracelet, necklace, earrings etc..In addition, there is practicality to be combined with decoration
Metal handicrafts, such as walking stick, double-edged sword, clock and watch, fountain pen, thermometer.In recent years, with the development of society, various skills
The decorated style of art form continues to bring out, and the ideological trend of regress into nature becomes a kind of new fashion, as traditional art decorated style
Metal art, noted with new content and life, be widely used in building external decoration, interior decoration, furniture decoration
And among environmental decoration.
Traditional metal handicrafts manufacture craft such as generally has casting, forging, carves, engraves, welding, is embedding at the techniques, with the development of the times
Multiaxis engraving has been emerged in large numbers again, die sinking die casting, laser metal plate, is electroplated, is oxidized to founding, carving that quarters, gold-decorated, polishing grinding etc. is modern makes
Make technique, but the manufacture craft general technology of existing metal handicrafts is complicated, operational sequence is more, take long, ratio of briquetting it is low,
Economic cost is high, it is also higher to require the profession of operator, and the metal product for more being suitable for small size makes.
The present invention proposes a kind of 3D printing metal handicrafts manufacture craft, and 3D printing technique is introduced metal handicrafts
In making, in combination with traditional turn over the mold type technique, using metal powder as raw material, miniature, small-sized essence can be both prepared
Cause type craftwork, can also realize the sectional forming of large scale craftwork, simple for process, operational sequence is few, simple and efficient, be suitable for
Mass and large-scale production.
Invention content
The purpose of the present invention is to provide a kind of 3D printing metal handicrafts manufacture crafts, to solve existing metal work
Skill product are cast or machining can not achieve that large-size components make and technical process is cumbersome, the higher disadvantage of cost.
To achieve the above object, the technical scheme is that：The manufacture craft includes the following steps：
1) three-dimensional digital model makes：Metal handicrafts prototype is scanned by three-dimensional scanning device to obtain metal handicrafts
The three-dimensional profile size of metal handicrafts prototype is imported into computer client and reprocessed and obtained by the three-dimensional profile size of prototype
The three-dimensional digital model of metal handicrafts is obtained, or design is directly made by CAD/CAE/CAM modeling softwares and obtains metal work
The three-dimensional digital model of skill product；
2) 3D printing：The three-dimensional digital model file of metal handicrafts is imported into 3D printing former terminal, setting is beaten
Parameter is printed, selection executes printing function, and 3D printer nozzle presses preset program, is successively manufactured using photosensitive resin as raw material and viscous
Knot obtains the 3D printing high molecular material model of metal handicrafts after successively ultraviolet light solidification；
3) silica gel mould makes：Using 3D printing high molecular material model as master mold, Silicon moulds are made using the method for overmolded
Tool provides the overmolded silica gel for making silica gel mould first, and a certain amount of curing agent and abundant is added into silica gel at room temperature
It is uniformly mixing to obtain blend glue stuff, lubricated then is made to master mold outer surface and boxing inner surface of container releasing agent, will be moistened
Sliding treated that master mold is put into the appropriate location in boxing container, and the blend glue stuff vacuumized is fixed perfusion point along one and is slowly poured
Note on master mold, after silica dehydrator molding after after remove boxing container be molded by taking out master mold in the silica gel of drying and moulding
Silica gel mould；
4) green compact make：Offer prepares the metal powder raw material of metal handicrafts, is added in metal powder raw material certain
The forming agent of amount simultaneously obtains mixed metal powder after mixing, makees lubricated to the die cavity releasing agent in silica gel mould,
Consolidation will be tamped in die cavity in mixed metal powder filling silica gel mould, it, will be obtained using cold isostatic press compression moulding
Green compact are by taking out simultaneously repairing type in the die cavity of silica gel mould；
5) vacuum-sintering：By obtained green compact by batch vacuum sintering furnace is put into, according to the sintering process of different metal powder
It is required that carrying out vacuum-sintering sintering curing obtains metal handicrafts blank；
6) it post-processes：Obtained metal handicrafts blank vibrating screen is polished surface spikes, by repairing type, is repeatedly beaten
It grinds, repeatedly polish, a series of finishing steps of multiple electroplating surface finally obtain the metal handicrafts for meeting design requirement.
Preferably, the forming agent is paraffin, rubber or polyethylene glycol.
Preferably, the photosensitive resin is PLA or ABS resin.
Preferably, the releasing agent includes graphite or zinc stearate.
Preferably, the scan mode of the three-dimensional scanning device is automatic, semi-automatic or manual scanning.
Preferably, the dosage of the curing agent is the 1.5% of silica gel dosage.
Preferably, the hardness of the silica gel is 20 degree or 40 degree.
Preferably, the metal powder is gold, silver, copper, iron, tin or stainless steel metal powder.
Preferably, in step 3), the gap between the master mold and boxing container is 2-4cm.
Preferably, the boxing container is wooden case, water-proof paper box or sheet iron bucket.
The invention has the advantages that：
A kind of 3D printing metal handicrafts manufacture craft proposed by the present invention include three-dimensional digital model making, 3D printing,
3D printing technique is introduced the making of metal handicrafts by silica gel mould making, green compact making, vacuum-sintering, post-treating and other steps
In, in combination with traditional turn over the mold type technique, using metal powder as raw material, it can both prepare miniature, small-sized exquisite type
Craftwork can also realize the sectional forming of large scale craftwork, overcome the casting of traditional metal crafts product or machining not
It can realize the making of large-size components and technical process is cumbersome, the higher disadvantage of cost, it is simple for process, operational sequence is few, consumption
When it is few, ratio of briquetting is high, simple and efficient, be suitable for mass and large-scale production.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
A kind of 3D printing metal handicrafts manufacture craft proposed in this implementation, the manufacture craft include the following steps：
1) three-dimensional digital model makes：Metal handicrafts prototype is scanned by three-dimensional scanning device to obtain metal handicrafts
The three-dimensional profile size of metal handicrafts prototype is imported into computer client and reprocessed and obtained by the three-dimensional profile size of prototype
The three-dimensional digital model of metal handicrafts is obtained, or design is directly made by CAD/CAE/CAM modeling softwares and obtains metal work
The three-dimensional digital model of skill product；
2) 3D printing：The three-dimensional digital model file of metal handicrafts is imported into 3D printing former terminal, setting is beaten
Parameter is printed, selection executes printing function, and 3D printer nozzle presses preset program, is successively manufactured using photosensitive resin as raw material and viscous
Knot obtains the 3D printing high molecular material model of metal handicrafts after successively ultraviolet light solidification；
3) silica gel mould makes：Using 3D printing high molecular material model as master mold, Silicon moulds are made using the method for overmolded
Tool provides the overmolded silica gel for making silica gel mould first, and a certain amount of curing agent and abundant is added into silica gel at room temperature
It is uniformly mixing to obtain blend glue stuff, lubricated then is made to master mold outer surface and boxing inner surface of container releasing agent, will be moistened
Sliding treated that master mold is put into the appropriate location in boxing container, and the blend glue stuff vacuumized is fixed perfusion point along one and is slowly poured
Note on master mold, after 60min silica dehydrators molding after after remove boxing container obtained by taking out master mold in the silica gel of drying and moulding
To molding silica gel mould, in addition, one layer of gypsum can be poured again in silica gel periphery after silica dehydrator molding, to reinforce silica gel
The intensity of mold；
4) green compact make：Offer prepares the metal powder raw material of metal handicrafts, is added in metal powder raw material certain
The forming agent of amount simultaneously obtains mixed metal powder after mixing, makees lubricated to the die cavity releasing agent in silica gel mould,
Consolidation will be tamped in die cavity in mixed metal powder filling silica gel mould, it, will be obtained using cold isostatic press compression moulding
Green compact are by taking out simultaneously repairing type in the die cavity of silica gel mould；
5) vacuum-sintering：By obtained green compact by batch vacuum sintering furnace is put into, according to the sintering process of different metal powder
It is required that carrying out vacuum-sintering sintering curing obtains metal handicrafts blank；
6) it post-processes：Obtained metal handicrafts blank vibrating screen is polished surface spikes, by repairing type, is repeatedly beaten
It grinds, repeatedly polish, a series of finishing steps of multiple electroplating surface finally obtain the metal handicrafts for meeting design requirement.
Wherein, forming agent is paraffin, rubber or polyethylene glycol.
Wherein, photosensitive resin is PLA or ABS resin.
Wherein, releasing agent includes graphite and zinc stearate.
Wherein, the scan mode of three-dimensional scanning device is automatic, semi-automatic or manual scanning.
Wherein, the dosage of curing agent is the 1.5% of silica gel dosage.
Wherein, the hardness of silica gel is 40 degree.
Wherein, metal powder is gold, silver, copper, iron, tin or stainless steel metal powder.
Wherein, in step 3), the gap between master mold and boxing container is 2-4cm.
Wherein, boxing container is wooden case, water-proof paper box or sheet iron bucket.
3D printing metal handicrafts manufacture craft through this embodiment, can be made a kind of automobile perfume of stainless steel
Seat, prepares the metal powder selection stainless steel metal powder of automobile perfume seat, and the vacuum-sintering temperature in step 5) is
1300℃。
Embodiment 2
A kind of 3D printing metal handicrafts manufacture craft proposed in this implementation, the manufacture craft include the following steps：
1) three-dimensional digital model makes：Metal handicrafts prototype is scanned by three-dimensional scanning device to obtain metal handicrafts
The three-dimensional profile size of metal handicrafts prototype is imported into computer client and reprocessed and obtained by the three-dimensional profile size of prototype
The three-dimensional digital model of metal handicrafts is obtained, or design is directly made by CAD/CAE/CAM modeling softwares and obtains metal work
The three-dimensional digital model of skill product；
2) 3D printing：The three-dimensional digital model file of metal handicrafts is imported into 3D printing former terminal, setting is beaten
Parameter is printed, selection executes printing function, and 3D printer nozzle presses preset program, is successively manufactured using photosensitive resin as raw material and viscous
Knot obtains the 3D printing high molecular material model of metal handicrafts after successively ultraviolet light solidification；
3) silica gel mould makes：Using 3D printing high molecular material model as master mold, Silicon moulds are made using the method for overmolded
Tool provides the overmolded silica gel for making silica gel mould first, and a certain amount of curing agent and abundant is added into silica gel at room temperature
It is uniformly mixing to obtain blend glue stuff, lubricated then is made to master mold outer surface and boxing inner surface of container releasing agent, will be moistened
Sliding treated that master mold is put into the appropriate location in boxing container, and the blend glue stuff vacuumized is fixed perfusion point along one and is slowly poured
Note on master mold, after 60min silica dehydrators molding after after remove boxing container obtained by taking out master mold in the silica gel of drying and moulding
To molding silica gel mould, in addition, one layer of gypsum can be poured again in silica gel periphery after silica dehydrator molding, to reinforce silica gel
The intensity of mold；
4) green compact make：Offer prepares the metal powder raw material of metal handicrafts, is added in metal powder raw material certain
The forming agent of amount simultaneously obtains mixed metal powder after mixing, makees lubricated to the die cavity releasing agent in silica gel mould,
Consolidation will be tamped in die cavity in mixed metal powder filling silica gel mould, it, will be obtained using cold isostatic press compression moulding
Green compact are by taking out simultaneously repairing type in the die cavity of silica gel mould；
5) vacuum-sintering：By obtained green compact by batch vacuum sintering furnace is put into, according to the sintering process of different metal powder
It is required that carrying out vacuum-sintering sintering curing obtains metal handicrafts blank；
6) it post-processes：Obtained metal handicrafts blank vibrating screen is polished surface spikes, by repairing type, is repeatedly beaten
It grinds, repeatedly polish, a series of finishing steps of multiple electroplating surface finally obtain the metal handicrafts for meeting design requirement.
Wherein, forming agent is paraffin, rubber or polyethylene glycol.
Wherein, photosensitive resin is PLA or ABS resin.
Wherein, releasing agent includes graphite and zinc stearate.
Wherein, the scan mode of three-dimensional scanning device is automatic, semi-automatic or manual scanning.
Wherein, the dosage of curing agent is the 1.5% of silica gel dosage.
Wherein, the hardness of silica gel is 20 degree.
Wherein, metal powder is gold, silver, copper, iron, tin or stainless steel metal powder.
Wherein, in step 3), the gap between master mold and boxing container is 2-4cm.
Wherein, boxing container is wooden case, water-proof paper box or sheet iron bucket.
A kind of priestling buddhist meaning copper goods of furniture for display rather than for use, system can be made in 3D printing metal handicrafts manufacture craft through this embodiment
The metal powder of standby priestling buddhist meaning copper goods of furniture for display rather than for use selects copper metal powder, and the vacuum-sintering temperature in step 5) is 820 DEG C.
3D printing technique is introduced metal handicrafts by a kind of 3D printing metal handicrafts manufacture craft proposed by the present invention
In making, in combination with traditional turn over the mold type technique, using metal powder as raw material, miniature, small-sized essence can be both prepared
Cause type craftwork, can also realize the sectional forming of large scale craftwork, overcome the casting of traditional metal crafts product or machine adds
Work can not achieve the making of large-size components and technical process is cumbersome, the higher disadvantage of cost, simple for process, operational sequence
Less, take less, ratio of briquetting is high, simple and efficient, be suitable for mass and large-scale production.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (10)
1. a kind of 3D printing metal handicrafts manufacture craft, which is characterized in that the manufacture craft includes the following steps：
1) three-dimensional digital model makes：Metal handicrafts prototype is scanned by three-dimensional scanning device to obtain metal handicrafts prototype
Three-dimensional profile size, by the three-dimensional profile size of metal handicrafts prototype imported into computer client and reprocess acquisition gold
Belong to the three-dimensional digital model of craftwork, or design is directly made by CAD/CAE/CAM modeling softwares and obtains metal handicrafts
Three-dimensional digital model；
2) 3D printing：The three-dimensional digital model file of metal handicrafts is imported into 3D printing former terminal, setting printing ginseng
Number, selection execute printing function, and 3D printer nozzle presses preset program, successively manufacture and bond using photosensitive resin as raw material,
The 3D printing high molecular material model of metal handicrafts is obtained after successively ultraviolet light solidification；
3) silica gel mould makes：Using 3D printing high molecular material model as master mold, silica gel mould is made using the method for overmolded, it is first
The overmolded silica gel for making silica gel mould is first provided, a certain amount of curing agent is added into silica gel at room temperature and is sufficiently stirred
It is even to obtain blend glue stuff, lubricated then is made to master mold outer surface and boxing inner surface of container releasing agent, by lubricated
Master mold afterwards is put into the appropriate location in boxing container, and the blend glue stuff vacuumized is fixed perfusion point along one is slowly cast in mother
On mould, after silica dehydrator molding after after remove boxing container obtain molding silica gel by taking out master mold in the silica gel of drying and moulding
Mold；
4) green compact make：Offer prepares the metal powder raw material of metal handicrafts, is added in metal powder raw material a certain amount of
Forming agent simultaneously obtains mixed metal powder after mixing, makees lubricated to the die cavity releasing agent in silica gel mould, will mix
It closes in the die cavity in metal powder material filling silica gel mould and tamps consolidation, using cold isostatic press compression moulding, by green compact obtained
By taking out simultaneously repairing type in the die cavity of silica gel mould；
5) vacuum-sintering：By obtained green compact by batch vacuum sintering furnace is put into, according to the sintering process requirement of different metal powder
It carries out vacuum-sintering sintering curing and obtains metal handicrafts blank；
6) it post-processes：By obtained metal handicrafts blank vibrating screen polishing surface spikes, by repairing type, it is polished for a plurality of times, more
It is secondary polishing, multiple electroplating surface a series of finishing steps finally obtain the metal handicrafts for meeting design requirement.
2. a kind of 3D printing metal handicrafts manufacture craft according to claim 1, which is characterized in that the forming agent is
Paraffin, rubber or polyethylene glycol.
3. a kind of 3D printing metal handicrafts manufacture craft according to claim 1, which is characterized in that the photosensitive resin
For PLA or ABS resin.
4. a kind of 3D printing metal handicrafts manufacture craft according to claim 1, which is characterized in that the releasing agent packet
Include graphite and zinc stearate.
5. a kind of 3D printing metal handicrafts manufacture craft according to claim 1, which is characterized in that the 3-D scanning
The scan mode of equipment is automatic, semi-automatic or manual scanning.
6. a kind of 3D printing metal handicrafts manufacture craft according to claim 1, which is characterized in that the curing agent
Dosage is the 1.5% of silica gel dosage.
7. a kind of 3D printing metal handicrafts manufacture craft according to claim 1, which is characterized in that the silica gel it is hard
Degree is 20 degree or 40 degree.
8. a kind of 3D printing metal handicrafts manufacture craft according to claim 1, which is characterized in that the metal powder
For gold, silver, copper, iron, tin or stainless steel metal powder.
9. a kind of 3D printing metal handicrafts manufacture craft according to claim 1, which is characterized in that in step 3), institute
It is 2-4cm to state the gap between master mold and boxing container.
10. a kind of 3D printing metal handicrafts manufacture craft according to claim 9, which is characterized in that the boxing holds
Device is wooden case, water-proof paper box or sheet iron bucket.
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| CN109480415A (en) * | 2018-12-10 | 2019-03-19 | 梦工场珠宝企业管理有限公司 | A kind of jewelry 3D printing die-manufacturing method |
| CN109480415B (en) * | 2018-12-10 | 2022-03-11 | 梦工场珠宝企业管理有限公司 | Jewelry 3D printing molding method |
| CN110076295A (en) * | 2019-04-13 | 2019-08-02 | 江西运缘达实业有限公司 | A kind of filler casting manufacture craft |
| CN110481004A (en) * | 2019-08-27 | 2019-11-22 | 东莞市汇齐新材料有限公司 | A kind of 3D printing is without sewing vamp sticking method |
| CN110509543A (en) * | 2019-08-28 | 2019-11-29 | 东莞市汇齐新材料有限公司 | One kind is based on 3D printing for vamp and sole bonding processing method |
| CN111409259A (en) * | 2020-02-26 | 2020-07-14 | 中国人民解放军联勤保障部队第九〇〇医院 | Tumor demolding 3D model manufacturing method |
| CN113000856A (en) * | 2021-02-15 | 2021-06-22 | 成都华达金属制品有限公司 | Machining method of thin metal piece based on three-dimensional digital design |
| EP4049845A1 (en) * | 2021-02-27 | 2022-08-31 | Funai Electric Co., Ltd. | Fluidic ejection cartridge and method for fabricating sintered metal cartridge |
| CN114103125A (en) * | 2021-09-30 | 2022-03-01 | 哈尔滨工业大学（威海） | Preparation method of high-thermal-conductivity micro device |
| CN114103125B (en) * | 2021-09-30 | 2022-06-28 | 哈尔滨工业大学（威海） | Preparation method of high-thermal-conductivity micro device |
| CN114763041A (en) * | 2022-03-21 | 2022-07-19 | 杭州朱炳仁文化艺术有限公司 | Method for manufacturing metal hollowed-out artware |
| CN114763041B (en) * | 2022-03-21 | 2024-05-24 | 杭州朱炳仁铜艺股份有限公司 | Method for manufacturing metal hollowed-out artwork |
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Application publication date: 20180821 |