CN106334792A - Preparing and printing molding methods for metal low-temperature 3D printing material - Google Patents
Preparing and printing molding methods for metal low-temperature 3D printing material Download PDFInfo
- Publication number
- CN106334792A CN106334792A CN201610945628.8A CN201610945628A CN106334792A CN 106334792 A CN106334792 A CN 106334792A CN 201610945628 A CN201610945628 A CN 201610945628A CN 106334792 A CN106334792 A CN 106334792A
- Authority
- CN
- China
- Prior art keywords
- printing
- metal
- temperature
- low temp
- stainless steel
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 106
- 239000000463 material Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000007639 printing Methods 0.000 title claims abstract description 42
- 238000010146 3D printing Methods 0.000 title abstract 8
- 238000000465 moulding Methods 0.000 title 1
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 39
- 239000010935 stainless steel Substances 0.000 claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 34
- 238000005245 sintering Methods 0.000 claims abstract description 31
- 239000011230 binding agent Substances 0.000 claims abstract description 17
- 238000005238 degreasing Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 14
- 230000002085 persistent effect Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 239000008188 pellet Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 3
- 239000004626 polylactic acid Substances 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/53—Nozzles
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/103—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
- B22F10/18—Formation of a green body by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]
-
- 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
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a metal low-temperature 3D printing material, a preparing method of the metal low-temperature 3D printing material and a metal low-temperature 3D printing method. According to the formula, stainless steel powder serves as a base, an appropriate amount of binder is added into the stainless steel powder, the stainless steel powder can flow when the binder fuses, a powder feeding 3D printer head is used for printing layer by layer to obtain a metal blank, and a metal product is obtained through degreasing and sintering. According to the metal low-temperature 3D printing material, the preparing method and the metal low-temperature 3D printing method, low-temperature printing is adopted, the printer head has the beneficial effects of being low in unit price and capable of achieving customization, the printing method is practical, and the final metal product is high in accuracy and good in quality. The metal low-temperature 3D printing material, the preparing method and the metal low-temperature 3D printing method are wide in application scope, can be applied to industries such as medical treatment, aerospace, machine manufacturing and the like, and therefore individuation requirements of people for the metal product are met.
Description
Technical field
The present invention relates to metal 3d printing technique field, it particularly relates to a kind of be used for metal low temp 3d printed material
Preparation and its metal low temp 3d printing shaping method.
Background technology
Oneself becomes one of emerging technology of global concern to 3d printing technique at present.This new mode of production and other
Digitalisation Manufacture Mode will promote the realization of the third time industrial revolution together.It is wherein one big that restriction 3d printing technique develops rapidly
Bottleneck is printed material, particularly metallic print material.Research and development and the metal material that production performance is more preferable and versatility is higher are
The key of lifting 3d printing technique.Directly adopt 3d printing technique manufacture view in high-performance metal component, need that particle diameter is thin, grain
Footpath is uniform, all kinds of metal dusts of high sphericity, low oxygen content.
Traditional metal materials 3d print at present mainly adopt sls (selective laser sintering) technology, selective sintering also known as
Precinct laser sintering, is with co2Laser instrument is the energy, using computer controls infrared laser beam to non-metal powder, metal powder
End or the powder thin layer of complex, are scanned sintering by the 2-D data in layering face with certain speed and energy density, layer
Layer is piled up, and eventually forms 3D solid product.Its equipment manufacturing cost is extremely expensive, and the product of processing is with gram calculating price；Meanwhile,
Due to being limited by material granule size and laser beam intensity, the parts surface after processing is possible to a lot of apertures occur,
The final treatment techniques of workpiece are more complicated.
Secondly, traditional metal materials 3d print and need to carry out high temperature melt metal dust, have been related to the solid liquid phase of metal
Multiple physical processes such as change, diffusion into the surface and conduction of heat.The thermal deformation that high temperature causes can lead to 3d to print the several of metal parts
What pattern deviates expected design.And for stainless steel material, be easier in high temperature to aoxidize, once oxidation, it is difficult to
With additive method, the oxide skin on its surface is removed.
Additionally, the domestic metal powder material major part dependence on import for 3d printing, expensive, increased and be manufactured into
This, limit application and the development of metal 3d printing technique to a certain extent.Therefore, raw material preparation is the pass that metal 3d prints
One of key technology.
For above-mentioned technical problem, there is no effective solution at present.
Content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of system for metal low temp 3d printed material
Standby and its metal low temp 3d Method of printing, is capable of metal low temp 3d and prints, be that metallic print opens new thinking.
For realizing the purpose that described metal low temp 3d prints, technical scheme is as follows:
A kind of material printing for metal low temp 3d, this material is made up of stainless steel metal powder and binding agent, and it is former
Material is in parts by mass:
85～94 parts of stainless steel metal powder；
6～15 parts of binder system；
Composition for binder system includes:
Wherein, described stainless steel metal powder using 500 mesh, there is no the powder that agglomerate and the stainless steel material trade mark are 316l
Last shape solid.
Further, the grain shape of described stainless steel metal powder is spherical.
The present invention further discloses the material printing for metal low temp 3d is prepared from by following methods:
S1) 316l stainless steel metal powder is put into banbury with epoxy soybean oil eos, paraffin pw, stearic acid sa, 60
DEG C～80 DEG C at carry out heating blending；
S2) input ethylene-vinyl acetate copolymer eva, polypropylene pp, polyformaldehyde pom, polylactic acid pla are carried out altogether successively
Mixed, the feeding interval time of each of which material is p1, and at 110 DEG C～130 DEG C, rotor speed is 60r/ to banburying room temperature
Min～80r/min, mixing time is p2, obtains the mixed material printing for metal low temp 3d；
S3) by step s2) mixed material that obtains pulverized, and obtains spherical grain uniform in size, average diameter 3mm
Material；
S4) by step s3) spherical pellets that obtain, in drying baker, dry 2～4 with 40 DEG C～50 DEG C of ambient temperature little
When, obtain the material particles printing for metal low temp 3d.
Further, in step s2 of this material preparation method, the feeding interval time p1 of each material described is
2min, described mixing time p2 are 25min～35min.
The invention also discloses a kind of metal low temp 3d Method of printing, the method includes:
1) material particles printing for metal low temp 3d are prepared using the method described in any one of claim 3-4；
2) adopt powdered feed 3d printer, so that material particles is conveyed in melt and melt, then sprayed by shower nozzle,
Print 3-D billet through layer upon layer, melt temperature is 160 DEG C～180 DEG C in this process, print platform temperature is 40
DEG C～70 DEG C；
3) described 3-D billet is carried out ungrease treatment, described degreasing process exactly by idiosome put in high temperature sintering furnace with
0.1 DEG C/min is warmed up at a slow speed 250 DEG C, and is incubated the persistent period 48 hours, completely the adhesive in removing metal base；
4) described idiosome is proceeded to sinter, obtain 3d and print stainless steel metal product.
Further, described step 2) in, after material particles enter 3d printer head, heating melting obtains polymer and melts
Body, is then pushed the melt intracavity of shower nozzle by screw rod, and polymer melt is driven by back pressure and sprays from nozzle.
Further, described step 3) in, described defat, sintering are carried out under vacuum conditions.
Further, described step 3) in, idiosome is put in high temperature sintering furnace 0.1 DEG C/min at a slow speed by described degreasing process
It is warmed up to 250 DEG C, and is incubated the persistent period 48 hours, completely the adhesive in removing metal base.
Further, described step 4) in, described sintering is carried out by the way of progressively heating up, and sintering temperature is at 1000 DEG C
Between～1400 DEG C.
Further, described step 4) in, the metallic article that sintering is completed naturally cools to room temperature in stove.
Beneficial effects of the present invention: formula, with powder of stainless steel as matrix, adds appropriate binding agent wherein, binding agent melts
When melting, powder of stainless steel obtains mobility, successively prints acquisition metal body by powdered feed 3d printer head, through de-
Fat, sintering obtain metallic article；The present invention adopts low temperature to print, and printing head has the customizable feature of univalent low cost, beats
Impression method is practical, final metallic article high precision, and quality is good.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention some enforcement
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the process chart of metal low temp 3d Method of printing described according to embodiments of the present invention；
Fig. 2 is the structural representation of 3d printer head described according to embodiments of the present invention；
The tensile strength change curve of the metallic article that Fig. 3 obtains for different metal content；
The counter-bending power change curve of the metallic article that Fig. 4 obtains for different metal content；
The impact displacement changing curve of the metallic article that Fig. 5 obtains for different metal content.
In figure:
1st, pressurize chamber；2nd, electromagnetic valve；3rd, nozzle；4th, melt chamber；5th, dam needle；6th, shower nozzle.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, broadly fall into present invention protection
Scope.
Described a kind of material printing for metal low temp 3d according to embodiments of the present invention, this material is by stainless steel metal
Powder and binding agent composition, its raw material is in parts by mass:
85～94 parts of stainless steel metal powder；
6～15 parts of binder system；
Composition for binder system includes:
Wherein, described stainless steel metal powder is 500 mesh, is not had agglomerate using particle diameter and the stainless steel material trade mark is
The pulverulent solids of 316l, the grain shape of described stainless steel metal powder is spherical.
Embodiment 1
Carry out weighing each raw material according to table 1 formula, by stainless steel metal powder and totally 100 parts of binder system quality.
| 316l stainless steel metal powder | 85 parts |
| pw | 3.6 |
| eso | 0.9 |
| eva | 3.3 |
| pp | 2.7 |
| pom | 2.4 |
| sa | 0.3 |
| pla | 1.8 |
By following methods be prepared from for metal low temp 3d print material:
S1) 316l stainless steel metal powder is put into banbury with epoxy soybean oil eos, paraffin pw, stearic acid sa, 60
DEG C～80 DEG C at carry out heating blending；
S2) input ethylene-vinyl acetate copolymer eva, polypropylene pp, polyformaldehyde pom, polylactic acid pla are carried out altogether successively
Mixed, the feeding interval time of each of which material is 2min, and at 110 DEG C～130 DEG C, rotor speed is 60r/ to banburying room temperature
Min～80r/min, mixing time is 25min～35min, obtains the mixture printing for metal low temp 3d；
S3) by step s2) put into pulverizer after the cooling of the mixture that obtains and pulverized, obtain uniform in size, averagely straight
The spherical pellets of footpath 3mm；
S4) by step s3) spherical pellets that obtain, in drying baker, dry 2～4 with 40 DEG C～50 DEG C of ambient temperature little
When, obtain the pellet printing for metal low temp 3d.
Above-mentioned acquisition pellet is used for metal low temp 3d print, as shown in figure 1, the method includes:
1) pellet printing for metal low temp 3d is prepared using the process described above；Pellet is put in 3d printer
Printed.
2) use powdered feed 3d printer, material particles are inserted in melt from feeding mouth, conveys in melt and melt
Melt, then sprayed by shower nozzle, print 3-D billet through layer upon layer, melt temperature is 160 DEG C～180 in this process
DEG C, print platform temperature is 40 DEG C～70 DEG C.
Understand the technique scheme of the present invention for convenience, below by way of above-mentioned to the present invention in specifically used mode
Technical scheme is described in detail.
Specifically, its operation principle is as shown in Figure 2.Direct current generator drives screw rod to rotate, and conveying pellet enters hot flow path, plus
Pushed by screw rod after heat, pressurize chamber 1 is entered by runner, enter back in the melt chamber 4 of shower nozzle 6 top.Good in melt chamber 4
Seal is it is ensured that the continual and steady back pressure of melt.
Electric magnet in electromagnetic valve 2 is driven by square-wave pulse signal, in signal rising edge, overcomes spring force to drive and dams
Needle 5 quickly impacts downwards, and shower nozzle 6 is closed；When signal rising edge terminates, start that trailing edge occurs, electric magnet magnetic force
Rapid reduction, spring drives shutoff valve pin 5 to spring back to initial position, and now melt is driven by back pressure, sprays 3 from nozzle rapidly.
When spray volume reaches anticipated demand, after having formed complete molten drop, electromagnetic valve 2 is closed for second to shower nozzle, outside nozzle 3
Molten drop gravity and inertia force effect under depart from nozzle, penetrate on flat board, and cool and solidify rapidly, formed a microdroplet.
So far, injection apparatus complete a droplets of cycle.Screw rod stably rotates, and at the uniform velocity conveys material, sets up stable
The back pressure increasing, electric magnet repeated stock resilience, periodically release back pressure increment and melt spray increment.
Wherein, at 180 DEG C, final printing completes 3-D billet to the temperature control of this head.
3) described 3-D billet is carried out ungrease treatment, described degreasing process is exactly put into idiosome in high temperature sintering furnace
0.1 DEG C/min is warmed up at a slow speed 250 DEG C, and is incubated the persistent period 48 hours, completely the adhesive in removing metal base.
4) by described idiosome proceed sinter, using vacuum-sintering, described degreasing sintered by the way of progressively heating up
Carry out, between 1000 DEG C～1400 DEG C, the persistent period is 6-8 hour to sintering temperature.The metallic article that sintering is completed exists
Room temperature is naturally cooled in stove.
5) obtain 3d and print stainless steel metal product, and it is tested.
Embodiment 2
Carry out weighing each raw material according to table 1 formula, by stainless steel metal powder and totally 100 parts of binder system quality.
| 316l stainless steel metal powder | 90 parts |
| pw | 2.4 |
| eso | 0.6 |
| eva | 2.2 |
| pp | 1.8 |
| pom | 1.6 |
| sa | 0.2 |
| pla | 1.2 |
1) according to the material mixture ratio of this table, according to the mixing method of embodiment 1, the material of prepared Metal Temperature 3d printing；
2) use powdered feed 3d printer, material particles are inserted in melt from feeding mouth, conveys in melt and melt
Melt, then sprayed by shower nozzle, print 3-D billet through layer upon layer, melt temperature is 160 DEG C～180 in this process
DEG C, print platform temperature is 40 DEG C～70 DEG C；
3) described 3-D billet is carried out ungrease treatment, described degreasing process exactly by idiosome put in high temperature sintering furnace with
0.1 DEG C/min is warmed up at a slow speed 250 DEG C, and is incubated the persistent period 48 hours, completely the adhesive in removing metal base；
4) by described idiosome proceed sinter, using vacuum-sintering, described degreasing sintered by the way of progressively heating up
Carry out, between 1000 DEG C～1400 DEG C, the persistent period is 6-8 hour to sintering temperature.The metallic article that sintering is completed exists
Room temperature is naturally cooled in stove；
5) obtain 3d and print stainless steel metal product, and it is tested.
Embodiment 3
Carry out weighing each raw material according to table 1 formula, by stainless steel metal powder and totally 100 parts of binder system quality.
| 316l stainless steel metal powder | 92 parts |
| pw | 1.92 |
| eso | 0.48 |
| eva | 1.76 |
| pp | 1.44 |
| pom | 1.28 |
| sa | 0.16 |
| pla | 0.96 |
1) according to the material mixture ratio of this table, according to the mixing method of embodiment 1, the material of prepared Metal Temperature 3d printing；
2) use powdered feed 3d printer, material particles are inserted in melt from feeding mouth, conveys in melt and melt
Melt, then sprayed by shower nozzle, print 3-D billet through layer upon layer, melt temperature is 160 DEG C～180 in this process
DEG C, print platform temperature is 40 DEG C～70 DEG C；
3) described 3-D billet is carried out ungrease treatment, described degreasing process exactly by idiosome put in high temperature sintering furnace with
0.1 DEG C/min is warmed up at a slow speed 250 DEG C, and is incubated the persistent period 48 hours, completely the adhesive in removing metal base；
4) by described idiosome proceed sinter, using vacuum-sintering, described degreasing sintered by the way of progressively heating up
Carry out, between 1000 DEG C～1400 DEG C, the persistent period is 6-8 hour to sintering temperature.The metallic article that sintering is completed exists
Room temperature is naturally cooled in stove；
5) obtain 3d and print stainless steel metal product, and it is tested.
Embodiment 4
Carry out weighing each raw material according to table 1 formula, by stainless steel metal powder and totally 100 parts of binder system quality.
| 316l stainless steel metal powder | 94 parts |
| pw | 1.44 |
| eso | 0.36 |
| eva | 1.32 |
| pp | 1.08 |
| pom | 0.96 |
| sa | 0.12 |
| pla | 0.72 |
1) according to the material mixture ratio of this table, according to the mixing method of embodiment 1, the material of prepared Metal Temperature 3d printing；
2) use powdered feed 3d printer, material particles are inserted in melt from feeding mouth, conveys in melt and melt
Melt, then sprayed by shower nozzle, print 3-D billet through layer upon layer, melt temperature is 160 DEG C～180 in this process
DEG C, print platform temperature is 40 DEG C～70 DEG C；
3) described 3-D billet is carried out ungrease treatment, described degreasing process is exactly put into idiosome in high temperature sintering furnace
0.1 DEG C/min is warmed up at a slow speed 250 DEG C, and is incubated the persistent period 48 hours, completely the adhesive in removing metal base；
4) by described idiosome proceed sinter, using vacuum-sintering, described degreasing sintered by the way of progressively heating up
Carry out, between 1000 DEG C～1400 DEG C, the persistent period is 6-8 hour to sintering temperature.The metallic article that sintering is completed exists
Room temperature is naturally cooled in stove；
5) obtain 3d and print stainless steel metal product, and it is tested.
The metallic article test result that four groups of embodiments are obtained is as shown in the table:
Fig. 3,4,5 are metallic article properties with tenor change curve.
The tensile strength change curve of the metallic article that wherein Fig. 3 obtains for different metal content；Fig. 4 contains for different metal
The counter-bending power change curve of the metallic article that amount obtains；The impact displacement of the metallic article that Fig. 5 obtains for different metal content
Change curve.
By Fig. 3-5 as can be seen that the material that the metal low temp 3d being prepared by above-described embodiment prints is used for 3d metal low temp
Print, it is good that the 3d of acquisition prints stainless steel metal product propertiess, with the increase of tenor, tensile strength and counter-bending power
All increase, and shock resistance displacement has increased with tenor and reduced.Meanwhile, metal low temp is verified by above-described embodiment
The feasibility that 3d prints, the metallic article high precision of acquisition, quality are good.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of material printing for metal low temp 3d is it is characterised in that this material is by stainless steel metal powder and binding agent
Composition, its raw material is in parts by mass:
85～94 parts of stainless steel metal powder；
6～15 parts of binder system；
Composition for binder system includes:
Wherein, described stainless steel metal powder adopts 500 mesh and the stainless steel material trade mark is the pulverulent solids of 316l.
2. the material printing for metal low temp 3d according to claim 1 is it is characterised in that described stainless steel metal powder
The grain shape at end is spherical.
3. the material printing for metal low temp 3d according to claim 2 is it is characterised in that described material is by with lower section
Method is prepared from:
S1) 316l stainless steel metal powder and epoxy soybean oil eos, paraffin pw, stearic acid sa are put into banbury, 60 DEG C～
Carry out heating blending at 80 DEG C；
S2) input ethylene-vinyl acetate copolymer eva, polypropylene pp, polyformaldehyde pom, polylactic acid pla are blended successively, its
In each material the feeding interval time be p1, banburying room temperature at 110 DEG C～130 DEG C, rotor speed be 60r/min～
80r/min, mixing time is p2, obtains the mixed material printing for metal low temp 3d；
S3) by step s2) mixed material that obtains pulverized, and obtains uniform in size, average diameter 3mm spherical pellets；
S4) by step s3) spherical pellets that obtain, in drying baker, are dried 2～4 hours with 40 DEG C～50 DEG C of ambient temperature, obtain
To the material particles printing for metal low temp 3d.
4. according to claim 3 for metal low temp 3d print material it is characterised in that
In step s2 of this material preparation method, the feeding interval time p1 of each material described is 2min, during described mixing
Between p2 be 25min～35min.
5. a kind of metal low temp 3d Method of printing is it is characterised in that the method includes:
1) material particles printing for metal low temp 3d are prepared using the method described in any one of claim 3-4；
2) adopt powdered feed 3d printer, so that material particles is conveyed in melt and melt, then sprayed by shower nozzle, pass through
Layer upon layer prints 3-D billet, in this process melt temperature be 160 DEG C～180 DEG C, print platform temperature be 40 DEG C～
70℃；
3) described 3-D billet is carried out ungrease treatment, described degreasing process is exactly put in high temperature sintering furnace idiosome with 0.1
DEG C/min is warmed up at a slow speed 250 DEG C, and is incubated the persistent period 48 hours, the adhesive in removing metal base completely；
4) described idiosome is proceeded to sinter, obtain 3d and print stainless steel metal product.
6. metal low temp 3d Method of printing according to claim 5 is it is characterised in that described step 2) in, material particles
After entering 3d printer head, heating melting obtains polymer melt, is then pushed the melt intracavity of shower nozzle, polymer by screw rod
Melt is driven by back pressure and sprays from nozzle.
7. metal low temp 3d Method of printing according to claim 5 is it is characterised in that described step 3) in, described defat,
Sintering is carried out under vacuum conditions.
8. metal low temp 3d Method of printing according to claim 7 is it is characterised in that described step 3) in, described defat
Idiosome is put into 0.1 DEG C/min in high temperature sintering furnace and is warmed up at a slow speed 250 DEG C by technique, and is incubated the persistent period 48 hours, completely
Adhesive in removing metal base.
9. metal low temp 3d Method of printing according to claim 7 is it is characterised in that described step 4) in, described sintering
Carried out by the way of progressively heating up, sintering temperature is between 1000 DEG C～1400 DEG C.
10. metal low temp 3d Method of printing according to claim 9 is it is characterised in that described step 4) in, will sinter
The metallic article becoming naturally cools to room temperature in stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945628.8A CN106334792A (en) | 2016-11-02 | 2016-11-02 | Preparing and printing molding methods for metal low-temperature 3D printing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945628.8A CN106334792A (en) | 2016-11-02 | 2016-11-02 | Preparing and printing molding methods for metal low-temperature 3D printing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106334792A true CN106334792A (en) | 2017-01-18 |
Family
ID=57840620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610945628.8A Pending CN106334792A (en) | 2016-11-02 | 2016-11-02 | Preparing and printing molding methods for metal low-temperature 3D printing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106334792A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216154A (en) * | 2017-06-19 | 2017-09-29 | 青岛科技大学 | A kind of mixed material being molded for ceramic 3D printing and preparation method thereof |
| CN107671293A (en) * | 2017-08-08 | 2018-02-09 | 青岛科技大学 | The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way |
| CN107672157A (en) * | 2017-08-08 | 2018-02-09 | 青岛科技大学 | A kind of side feeding 3D printing equipment and its printing shaping method |
| CN107745116A (en) * | 2017-09-21 | 2018-03-02 | 东莞华晶粉末冶金有限公司 | Metal injection moulding cerul copper feeding, copper fitting and preparation method thereof |
| CN108607984A (en) * | 2018-06-29 | 2018-10-02 | 上海六晶科技股份有限公司 | A kind of tungsten alloy 3D printing slurry and preparation method thereof |
| WO2018197082A1 (en) * | 2017-04-28 | 2018-11-01 | Skz-Kfe Ggmbh | Method for additively manufacturing a component, and an additively manufactured component |
| CN110405213A (en) * | 2019-07-25 | 2019-11-05 | 中国第一汽车股份有限公司 | A kind of manufacturing method of automobile metal support parts |
| CN110511697A (en) * | 2019-09-09 | 2019-11-29 | 广州飞胜智能科技股份有限公司 | One kind can 3D printing modified hot melt adhesive composite material, preparation method and applications |
| CN111203541A (en) * | 2020-03-06 | 2020-05-29 | 江苏精研科技股份有限公司 | 3D printing method for preparing multi-region composite material |
| CN111940739A (en) * | 2020-07-01 | 2020-11-17 | 中国第一汽车股份有限公司 | Polymer composite stainless steel 3D printing material, preparation method and part preparation method |
| CN113182529A (en) * | 2021-04-15 | 2021-07-30 | 广东工业大学 | 3D printing material, preparation method thereof and printing method |
| CN115070059A (en) * | 2022-05-30 | 2022-09-20 | 大连理工大学 | Indirect 3D printing forming method for magnetically soft alloy MIM feeding and 3D printer thereof |
| CN115213398A (en) * | 2022-07-07 | 2022-10-21 | 杭州巨星科技股份有限公司 | Metal powder injection molding binder and using method thereof |
| CN115430835A (en) * | 2022-11-08 | 2022-12-06 | 长春黄金研究院有限公司 | Full-automatic industrial production line for gold powder forming |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002042391A2 (en) * | 2000-11-22 | 2002-05-30 | The United States Of America, As Represented By The Secretary Of Agriculture | Extrusion freeform fabrication of soybean oil-based composites by direct deposition |
| US20090295042A1 (en) * | 2008-05-20 | 2009-12-03 | Eos Gmbh Electro Optical Systems | Selective sintering of structurally modified polymers |
| CN103205107A (en) * | 2013-04-03 | 2013-07-17 | 中山职业技术学院 | Three-dimensional printing forming material with toughness and high adhesive property and preparation method thereof |
| CN103459671A (en) * | 2011-04-06 | 2013-12-18 | 日本发条株式会社 | Laminate, and method for producing laminate |
| CN104785786A (en) * | 2015-04-24 | 2015-07-22 | 江苏科技大学 | Slurry feeding type metal part material increase manufacturing method and device |
| CN104858422A (en) * | 2015-05-22 | 2015-08-26 | 东莞劲胜精密组件股份有限公司 | Stainless steel composite powder for 3D printing and preparation method of stainless steel composite powder for 3D printing |
| CN105364065A (en) * | 2015-11-19 | 2016-03-02 | 东莞劲胜精密组件股份有限公司 | Metal powder material for 3D printing, preparation method of metal powder material and 3D printing method |
| CN105562696A (en) * | 2016-01-11 | 2016-05-11 | 江西理工大学 | Metal 3D printing method |
| CN105583402A (en) * | 2016-02-19 | 2016-05-18 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing material, fused deposition modeling (FDM) three-dimensional printer and printing method of FDM three-dimensional printer |
| CN105665697A (en) * | 2016-03-11 | 2016-06-15 | 中山大学惠州研究院 | Metal or ceramic consumable item for FDM 3D printing, preparation method for metal or ceramic consumable item and finished product printing method |
-
2016
- 2016-11-02 CN CN201610945628.8A patent/CN106334792A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002042391A2 (en) * | 2000-11-22 | 2002-05-30 | The United States Of America, As Represented By The Secretary Of Agriculture | Extrusion freeform fabrication of soybean oil-based composites by direct deposition |
| US20090295042A1 (en) * | 2008-05-20 | 2009-12-03 | Eos Gmbh Electro Optical Systems | Selective sintering of structurally modified polymers |
| CN103459671A (en) * | 2011-04-06 | 2013-12-18 | 日本发条株式会社 | Laminate, and method for producing laminate |
| CN103205107A (en) * | 2013-04-03 | 2013-07-17 | 中山职业技术学院 | Three-dimensional printing forming material with toughness and high adhesive property and preparation method thereof |
| CN104785786A (en) * | 2015-04-24 | 2015-07-22 | 江苏科技大学 | Slurry feeding type metal part material increase manufacturing method and device |
| CN104858422A (en) * | 2015-05-22 | 2015-08-26 | 东莞劲胜精密组件股份有限公司 | Stainless steel composite powder for 3D printing and preparation method of stainless steel composite powder for 3D printing |
| CN105364065A (en) * | 2015-11-19 | 2016-03-02 | 东莞劲胜精密组件股份有限公司 | Metal powder material for 3D printing, preparation method of metal powder material and 3D printing method |
| CN105562696A (en) * | 2016-01-11 | 2016-05-11 | 江西理工大学 | Metal 3D printing method |
| CN105583402A (en) * | 2016-02-19 | 2016-05-18 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing material, fused deposition modeling (FDM) three-dimensional printer and printing method of FDM three-dimensional printer |
| CN105665697A (en) * | 2016-03-11 | 2016-06-15 | 中山大学惠州研究院 | Metal or ceramic consumable item for FDM 3D printing, preparation method for metal or ceramic consumable item and finished product printing method |
Non-Patent Citations (1)
| Title |
|---|
| 孙玉绣: "《黏合剂配方与制备》", 30 November 2015, 中国纺织出版社 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11858038B2 (en) | 2017-04-28 | 2024-01-02 | Skz-Kfe Ggmbh | Method for additively manufacturing a component, and an additively manufactured component |
| WO2018197082A1 (en) * | 2017-04-28 | 2018-11-01 | Skz-Kfe Ggmbh | Method for additively manufacturing a component, and an additively manufactured component |
| CN107216154A (en) * | 2017-06-19 | 2017-09-29 | 青岛科技大学 | A kind of mixed material being molded for ceramic 3D printing and preparation method thereof |
| CN107671293A (en) * | 2017-08-08 | 2018-02-09 | 青岛科技大学 | The double shower nozzle powdered feed 3D printing equipments of one kind mixing extrusion continous way |
| CN107672157A (en) * | 2017-08-08 | 2018-02-09 | 青岛科技大学 | A kind of side feeding 3D printing equipment and its printing shaping method |
| CN107745116A (en) * | 2017-09-21 | 2018-03-02 | 东莞华晶粉末冶金有限公司 | Metal injection moulding cerul copper feeding, copper fitting and preparation method thereof |
| CN108607984A (en) * | 2018-06-29 | 2018-10-02 | 上海六晶科技股份有限公司 | A kind of tungsten alloy 3D printing slurry and preparation method thereof |
| CN110405213A (en) * | 2019-07-25 | 2019-11-05 | 中国第一汽车股份有限公司 | A kind of manufacturing method of automobile metal support parts |
| CN110511697A (en) * | 2019-09-09 | 2019-11-29 | 广州飞胜智能科技股份有限公司 | One kind can 3D printing modified hot melt adhesive composite material, preparation method and applications |
| CN111203541A (en) * | 2020-03-06 | 2020-05-29 | 江苏精研科技股份有限公司 | 3D printing method for preparing multi-region composite material |
| CN111940739A (en) * | 2020-07-01 | 2020-11-17 | 中国第一汽车股份有限公司 | Polymer composite stainless steel 3D printing material, preparation method and part preparation method |
| CN113182529A (en) * | 2021-04-15 | 2021-07-30 | 广东工业大学 | 3D printing material, preparation method thereof and printing method |
| CN115070059A (en) * | 2022-05-30 | 2022-09-20 | 大连理工大学 | Indirect 3D printing forming method for magnetically soft alloy MIM feeding and 3D printer thereof |
| CN115213398A (en) * | 2022-07-07 | 2022-10-21 | 杭州巨星科技股份有限公司 | Metal powder injection molding binder and using method thereof |
| CN115430835A (en) * | 2022-11-08 | 2022-12-06 | 长春黄金研究院有限公司 | Full-automatic industrial production line for gold powder forming |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106334792A (en) | Preparing and printing molding methods for metal low-temperature 3D printing material | |
| Bose et al. | Traditional and additive manufacturing of a new Tungsten heavy alloy alternative | |
| CN108136501B (en) | Three-dimensional printing device | |
| US11110519B2 (en) | Metal three-dimensional printer | |
| JP5544928B2 (en) | Granulated powder and method for producing granulated powder | |
| CN103801695A (en) | 3D printing mould-free injection forming method through metal sizing agents | |
| CN108326282B (en) | A kind of powder injection forming Ti-6Al-4V alloy feeding and preparation method thereof | |
| CN110564998B (en) | Preparation method of high-density tungsten-based alloy | |
| CN103981436A (en) | Metal powder injection molded high-strength martensite aged steel and preparation method thereof | |
| CN105154700A (en) | Heavy-density tungsten alloy | |
| CN106683867A (en) | Nano-crystalline anisotropic magnet prepared by 3D (three-dimensional) printing technique | |
| CN110315076B (en) | Forming method of high-specific-gravity tungsten-based alloy based on pre-alloyed powder | |
| CN107043931A (en) | A kind of material high flux preparation method and device based on solid deposited | |
| CN103846448A (en) | Preparation method of ultra-low-oxygen spherical micron copper powder | |
| CN106927820A (en) | High-purity high-strength high-ductility zirconia composite ceramics structural member and preparation method thereof | |
| CN205341922U (en) | Quick shaping polar coordinates 3D printing apparatus of metal melting | |
| CN107790726A (en) | Manufacturing process of golf club head | |
| CN104821248A (en) | Manufacturing method for AgC electrical contact and integrated assembly thereof | |
| JP2009299106A (en) | Method for producing composite sintered compact, and composite sintered compact | |
| CN113319280A (en) | Metal powder injection molding MIM production process of novel titanium and titanium alloy material | |
| CN112570721A (en) | Device and method for preparing superfine nearly spherical metal powder | |
| Jiao et al. | Experimental research of drop‐on‐demand droplet jetting 3D printing with molten polymer | |
| CN109226770A (en) | A kind of tungsten-copper alloy ultrasound plasticizing injection moulding forming method and device | |
| CN104451222A (en) | Preparation method of nano W-Cu composite block material | |
| JP2008038209A (en) | Method for manufacturing functional member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170118 |
|
| WD01 | Invention patent application deemed withdrawn after publication |