CN106048441A - Die steel powder for 3D printing and manufacturing method of die steel powder - Google Patents
Die steel powder for 3D printing and manufacturing method of die steel powder Download PDFInfo
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- CN106048441A CN106048441A CN201610405805.3A CN201610405805A CN106048441A CN 106048441 A CN106048441 A CN 106048441A CN 201610405805 A CN201610405805 A CN 201610405805A CN 106048441 A CN106048441 A CN 106048441A
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- steel shot
- mould
- comminuted steel
- printing
- steel powder
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000010146 3D printing Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 title abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- 239000010941 cobalt Substances 0.000 claims abstract description 10
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 8
- 239000011733 molybdenum Substances 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 239000011574 phosphorus Substances 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- 239000011593 sulfur Substances 0.000 claims abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 8
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000000889 atomisation Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000011812 mixed powder Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 239000006199 nebulizer Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 239000011572 manganese Substances 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000011343 solid material Substances 0.000 claims description 2
- NSRBDSZKIKAZHT-UHFFFAOYSA-N tellurium zinc Chemical compound [Zn].[Te] NSRBDSZKIKAZHT-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 9
- 239000010936 titanium Substances 0.000 abstract description 9
- 229910052719 titanium Inorganic materials 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 8
- 230000004927 fusion Effects 0.000 abstract 2
- 238000002360 preparation method Methods 0.000 abstract 2
- 238000003723 Smelting Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/084—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid combination of methods
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to the technical field of 3D printing, in particular to die steel powder for 3D printing and a manufacturing method of the die steel powder. The die steel powder for 3D printing comprises the following solid raw materials of, by weight, 17-19% of nickel, 11-12.75% of cobalt, 4-5% of molybdenum, 0.1-0.2% of aluminum, 0-0.03% carbon, 0-0.01 of sulfur, 0-0.01% of phosphorus, 0-0.5% of copper, 0-0.1% of manganese, 0-0.1% of silicon, 0-0.5% of chrome and the balance iron. The die steel powder for 3D printing is formed by fusing, atomizing and cooling the raw materials. Titanium is omitted from the die steel powder, and the fusion point is lowered; and meanwhile, fusion time during preparation of titanium is shortened, the preparation, smelting and atomizing cycle is shortened, flux is formed easily, a ladle leaks in the middle, blockage is not liable to occur, production is smooth, and the production efficiency is greatly improved.
Description
Technical field
The present invention relates to 3D printing technique field, particularly relate to a kind of 3D printing mould comminuted steel shot and manufacture method thereof.
Background technology
3D printing technique is another synonym increasing material manufacture and Intelligent Manufacturing Technology, is to be skill by data information
Art, realizes intelligence, molding freely in 3D printer by the principle of layering, is not retrained by complexity, and metal 3D prints
Technology is by metal 3D printer, powder to be realized layering to print, by successively powder having been melted intelligent entity
Manufacturing, the metal dust that nowadays can print includes titanium alloy, mould steel, rustless steel, nickel alloy, aluminium alloy etc., existing skill
The production efficiency of the metal dust in art is relatively low, the problems such as blocking package, molten steel stream is tacky easily occurs, it addition, of the prior art
Containing Titanium in mould comminuted steel shot, in 3D marker's program process, it will usually use nitrogen as protective gas, and titanium easily and
Nitrogen reacts, if carbon content is micro-high in mould comminuted steel shot, may generate TiNC field trash, affect the mechanics of die steel
Performance, may result in when Shooting Technique, the problem of Cracking of core rod.
Summary of the invention
It is an object of the invention to the defect overcoming prior art to exist, it is provided that a kind of flow of powder performance is preferable, produce effect
The 3D printing mould comminuted steel shot that rate is higher.
The technical solution adopted for the present invention to solve the technical problems is: a kind of 3D printing mould comminuted steel shot, it include with
The solid material of lower percentage by weight: nickel 17～19wt%, cobalt 11～12.75wt%, molybdenum 4～5wt%, aluminum 0.1～
0.2wt%, carbon 0～0.03wt%, sulfur 0～0.01wt%, phosphorus 0～0.01wt%, copper 0～0.5wt%, manganese 0～0.1wt%,
Silicon 0～0.1wt%, chromium 0～0.5wt%, surplus is ferrum.
Further, described nickel be purity be the pure nickel of 99.99%, described cobalt use electrolytic cobalt sheet.
Another object of the present invention is the manufacture method disclosing a kind of 3D printing mould comminuted steel shot described above, its step
Rapid as follows:
(1) weigh nickel, cobalt, molybdenum, aluminum, carbon, sulfur, phosphorus, copper, manganese, silicon, chromium and iron powder, mix homogeneously, be subsequently placed in
Metallic solution it is melted at a temperature of 1580-1700 DEG C；
(2) metallic solution bottom pour ladle with the flow via hole diameter of 10-15g/s as 7mm-9mm is leak into nebulizer carries out mist
Change；
(3) drop after atomization is cooled down, obtain mould comminuted steel shot.
As further preferred version: in described step (2), nebulizer uses nitrogen atomization or argon atomization.
Preferably, in described step (2), the nozzle of nebulizer uses close coupled type, and atomizing pressure is 4-6MPA, and medium sprays
Amount of jet is 1200-1500m3/h。
Further, in described step (1) metal dust be used in mixed way mixed powder machine, the rotating speed of mixed powder machine controls at 10-
30rad/min, the mixed powder time is 50-80min, and the size controlling of described mould comminuted steel shot is in 1-300 μm.
230-270 mesh sieve crossed by the mould comminuted steel shot of described step (3).
The 3D printing mould comminuted steel shot of gained of the present invention has the advantage that
In the present invention, Titanium removed by mould comminuted steel shot, because titanium can cause mould, comminuted steel shot melt fusing point is too high, Medium frequency induction
During stove melting, melt overheat degree is difficult to promote, and forms molten bath later, and when solution is by middle bottom pour ladle simultaneously, temperature loss is relatively big,
Easily form blocking package, and after in the present invention, mould comminuted steel shot eliminates titanium so that fusing point is reduced to 1460 from 1480, reduces simultaneously
Fusing time during titanium dispensing so that dispensing, melting, atomization cycle shorten, forms melt and is relatively easy to, and middle bottom pour ladle is difficult to
Blocking, produces more smooth, and production efficiency is greatly improved.
It addition, the present invention removes titanium also can avoid the appearance of the impurity such as TiNC, it is to avoid affect the mechanical property of die steel
Can, it is to avoid the cracking etc. of core rod.The content of aluminum increases the most accordingly in order to more preferably lock oxygen, prevents metal printed at 3D
In journey and 3D prints after operation oxidized, finely tune mechanical property simultaneously.
It addition, the printing of prior art by the apparent density of mould comminuted steel shot at 4.0g/cm3-4.4g/cm3, and use this
The apparent density of the printing mould comminuted steel shot that bright disclosed method prepares is at 4.5g/cm3-5.1g/cm3, carrying of apparent density
Height makes the mobility of powder more preferable.
Detailed description of the invention
Embodiment 1:3D prints with the manufacture of mould comminuted steel shot
(1) raw material of following parts by weight is weighed: nickel 17wt%, cobalt 11wt%, molybdenum 4wt%, aluminum 0.1wt%, carbon
0.01wt%, sulfur 0.005wt%, phosphorus 0.005wt%, copper 0.1wt%, manganese 0.05wt%, silicon 0.05wt%, chromium 0.1wt%, ferrum
67.58%, use mixed powder machine by raw material mix homogeneously, be subsequently placed at a temperature of 1580 DEG C and be melted into metallic solution.Wherein mix
The rotating speed of powder machine controls at 10rad/min, and the mixed powder time is 50min, and the size controlling of described mould comminuted steel shot is in 1-300 μm.
(2) metallic solution bottom pour ladle with the flow via hole diameter of 10g/s as 7mm is leak into employing nitrogen atomization in nebulizer,
Nozzle uses close coupled type, and atomizing pressure is 4MPA, and medium injection flow is 1200m3/h；
(3) drop after atomization is cooled down, then cross 230 mesh sieves, obtain mould comminuted steel shot.After testing, the present invention
Mould comminuted steel shot is in 3D printing+heat treatment later stage tensile strength at 1810MPa, and hardness is at 52HRC, and elongation percentage is 9%.
Embodiment 2:3D prints with the manufacture of mould comminuted steel shot
(1) raw material of following parts by weight is weighed: nickel 18wt%, cobalt 12wt%, molybdenum 4.5wt%, aluminum 0.15wt%, carbon
0.02wt%, sulfur 0.008wt%, phosphorus 0.008wt%, copper 0.3wt%, manganese 0.08wt%, silicon 0.08wt%, chromium 0.3wt%, ferrum
64.554%, use mixed powder machine by raw material mix homogeneously, be subsequently placed at a temperature of 1600 DEG C and be melted into metallic solution.Wherein mix
The rotating speed of powder machine controls at 20rad/min, and the mixed powder time is 70min, and the size controlling of described mould comminuted steel shot is in 1-300 μm.
(2) metallic solution bottom pour ladle with the flow via hole diameter of 13g/s as 8mm is leak into employing nitrogen atomization in nebulizer,
Nozzle uses close coupled type, and atomizing pressure is 5MPA, and medium injection flow is 1300m3/h；
(3) drop after atomization is cooled down, then cross 250 mesh sieves, obtain mould comminuted steel shot.After testing, the present invention
Mould comminuted steel shot is in 3D printing+heat treatment later stage tensile strength at 1769MPa, and hardness is at 52HRC, and elongation percentage is 10%.
Embodiment 3:3D prints with the manufacture of mould comminuted steel shot
(1) raw material of following parts by weight is weighed: nickel 19wt%, cobalt 12.75wt%, molybdenum 5wt%, aluminum 0.2wt%, carbon
0.03wt%, sulfur 0.01wt%, phosphorus 0.01wt%, copper 0.5wt%, manganese 0.1wt%, silicon 0.1wt%, chromium 0.5wt%, ferrum
61.8%, use mixed powder machine by raw material mix homogeneously, be subsequently placed at a temperature of 1700 DEG C and be melted into metallic solution.Wherein mix powder
The rotating speed of machine controls at 30rad/min, and the mixed powder time is 80min, and the size controlling of described mould comminuted steel shot is in 1-300 μm.
(2) metallic solution bottom pour ladle with the flow via hole diameter of 15g/s as 9mm is leak into employing nitrogen atomization in nebulizer,
Nozzle uses close coupled type, and atomizing pressure is 6MPA, and medium injection flow is 1500m3/h；
(3) drop after atomization is cooled down, then cross 270 mesh sieves, obtain mould comminuted steel shot.After testing, the present invention
Mould comminuted steel shot is in 3D printing+heat treatment later stage tensile strength at 1860MPa, and hardness is at 54HRC, and elongation percentage is 8%.
Claims (7)
1. 3D prints and uses a mould comminuted steel shot, and it includes the solid material of following percentage by weight: nickel 17～19wt%, cobalt 11～
12.75wt%, molybdenum 4～5wt%, aluminum 0.1～0.2wt%, carbon 0～0.03wt%, sulfur 0～0.01wt%, phosphorus 0～
0.01wt%, copper 0～0.5wt%, manganese 0～0.1wt%, silicon 0～0.1wt%, chromium 0～0.5wt%, surplus is ferrum.
3D printing mould comminuted steel shot the most according to claim 1, it is characterised in that: described nickel be purity be 99.99%
Pure nickel, described cobalt uses electrolytic cobalt sheet.
3. a manufacture method for 3D printing mould comminuted steel shot as claimed in claim 2, its step is as follows:
(1) weigh nickel, cobalt, molybdenum, aluminum, carbon, sulfur, phosphorus, copper, manganese, silicon, chromium and iron powder, mix homogeneously, be subsequently placed in 1580-
It is melted into metallic solution at a temperature of 1700 DEG C；
(2) metallic solution bottom pour ladle with the flow via hole diameter of 10-15g/s as 7mm-9mm is leak in nebulizer it is atomized；
(3) drop after atomization is cooled down, obtain mould comminuted steel shot.
The manufacture method of 3D printing mould comminuted steel shot the most according to claim 3, it is characterised in that: in described step (2)
Nebulizer uses nitrogen atomization or argon atomization.
The manufacture method of 3D printing mould comminuted steel shot the most according to claim 3, it is characterised in that: in described step (2)
The nozzle of nebulizer uses close coupled type, and atomizing pressure is 4-6MPA, and medium injection flow is 1200-1500m3/h。
The manufacture method of 3D printing mould comminuted steel shot the most according to claim 3, it is characterised in that: in described step (1)
Metal dust be used in mixed way mixed powder machine, the rotating speed of mixed powder machine controls at 10-30rad/min, and the mixed powder time is 50-80min, institute
State the size controlling of mould comminuted steel shot in 1-300 μm.
The manufacture method of 3D printing mould comminuted steel shot the most according to claim 3, it is characterised in that: described step (3)
230-270 mesh sieve crossed by mould comminuted steel shot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405805.3A CN106048441A (en) | 2016-06-12 | 2016-06-12 | Die steel powder for 3D printing and manufacturing method of die steel powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610405805.3A CN106048441A (en) | 2016-06-12 | 2016-06-12 | Die steel powder for 3D printing and manufacturing method of die steel powder |
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| CN106048441A true CN106048441A (en) | 2016-10-26 |
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| CN201610405805.3A Pending CN106048441A (en) | 2016-06-12 | 2016-06-12 | Die steel powder for 3D printing and manufacturing method of die steel powder |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116224A (en) * | 2017-04-25 | 2017-09-01 | 上海材料研究所 | A kind of preparation method of the mould powdered steels of 18Ni 300 for 3D printing technique |
| CN108624816A (en) * | 2018-08-24 | 2018-10-09 | 江苏浙宏科技股份有限公司 | The method and 0Ni18Co9Mo mold powdered steels of 3D printing mold |
| CN109128165A (en) * | 2018-09-04 | 2019-01-04 | 华中科技大学 | A kind of mold fast processing method based on 3D printing mold core |
| CN109338192A (en) * | 2018-12-24 | 2019-02-15 | 南通金源智能技术有限公司 | 3D printing grinding tool powdered steel |
| CN109663906A (en) * | 2017-10-13 | 2019-04-23 | 株式会社沙迪克 | The metal powder material of metal powder lamination appearance |
| CN110860687A (en) * | 2019-10-28 | 2020-03-06 | 上海毅速激光科技有限公司 | Novel 3D printing powder steel and preparation method thereof |
| CN112404420A (en) * | 2020-11-19 | 2021-02-26 | 中南大学 | High-strength steel powder for 3D printing, preparation method thereof, 3D printing method and prepared high-strength steel |
| CN114000063A (en) * | 2021-11-05 | 2022-02-01 | 安徽工程大学 | A kind of additive manufacturing high thermal conductivity mold steel material and preparation method thereof |
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| CN112404420A (en) * | 2020-11-19 | 2021-02-26 | 中南大学 | High-strength steel powder for 3D printing, preparation method thereof, 3D printing method and prepared high-strength steel |
| CN114000063A (en) * | 2021-11-05 | 2022-02-01 | 安徽工程大学 | A kind of additive manufacturing high thermal conductivity mold steel material and preparation method thereof |
| CN115383125A (en) * | 2022-09-05 | 2022-11-25 | 中铁物总资源科技有限公司 | System and method for preparing spherical alloy steel powder based on rail steel |
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