CN106077649A - A kind of method of rapid shaping composite hard alloy powder compacting Roll Collar - Google Patents
A kind of method of rapid shaping composite hard alloy powder compacting Roll Collar Download PDFInfo
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- CN106077649A CN106077649A CN201610701955.9A CN201610701955A CN106077649A CN 106077649 A CN106077649 A CN 106077649A CN 201610701955 A CN201610701955 A CN 201610701955A CN 106077649 A CN106077649 A CN 106077649A
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/12—Metallic powder containing non-metallic particles
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/34—Process control of powder characteristics, e.g. density, oxidation or flowability
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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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/002—Tools other than cutting tools
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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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- 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
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Abstract
A kind of method that the invention discloses rapid shaping composite hard alloy powder compacting Roll Collar.Including dispensing: step one, dispensing: Cr12MoV powder, 18% 23%1Cr18Mn8Ni5N powder and the 15% 20%1Cr18Ni9Ti powder of 50% 55%, surplus is Fe powder and FeB powder, and wherein the ratio of Fe powder and FeB powder is 10:1；Step 2, wet grinding；Step 3, sieves and is dried；Step 4,3D printer molding.The metal 3D printer technique that the present invention uses is prepared Roll Collar, by by 5Cr12MoV powder, 1Cr18Mn8Ni5N powder and 1Cr18Ni9Ti powder, surplus Fe powder and FeB powder carry out 3D and print the base material of forming parts, there is one-shot forming, structural strength, the relative density of the molding of toughness and microcosmic crystal reaches 99%, the effective service life improving part, there is shaping speed fast, improve precision during product moulding.
Description
Technical field
The invention belongs to Roll Collar technical field, particularly relate to a kind of rapid shaping composite hard alloy powder compacting and lead
The method defending roller.
Background technology
Roll Collar is the important spare part that consumption is bigger in hot rolled rod production line, is the key in steel rolling guide assembly
Parts, the shadow land measure equal to fifteen mu in most parts of the Northeast the technical-economic indexes such as operating rate of rolling mill.The a lot of guide and guard part heat resistances used are not enough, occur that steel bonding etc. shows
As, also have some process conditions wearabilities, thermal fatigue property bad, have impact on service life and mill bar quality.
The physical essence of hardness abrasion is the fracture process of a kind of specific form, occurs at the top layer of wear-out part and Ya Biao
Layer.When considering hardness number, it is impossible to simply think that hardness more high-wearing feature is the best, its under various regimes hard to be taken into full account
Degree.Such as: the hardness changed due to Surface hardened layer or softening in work process；Surface is made owing to contacting with high temperature rolled piece
Temperature raises, and will consider temperature hardness.
3D printing technique (3D printing), i.e. the one of Rapid Prototyping technique (Rapid prototype), is also called
" increase material manufacturing technology ".So-called " increasing material manufacture " refers to that being different from traditional " removal type " manufactures, it is not necessary to proembryo and mould, directly
Connecing according to computer graphics data, generated the object of any shape by the method increasing material, maximum advantage is exactly can letter
Change fabrication schedule, shorten the new product development cycle, reduce development cost and risk.
At present, the commonly used method of 3D printing technique of metal structure is as follows:
Laser melting coating Rapid Manufacturing Technology, that is to say laser melting and coating technique+rapid prototyping technology, is by Sandia state of the U.S.
The David Keicher invention of family's laboratory.
Electron beam melting Rapid Manufacturing Technology Electron Beam Melting (EBM) is that development in recent years is got up
Plant the direct manufacturing technology of novel metal part.
Precinct laser fusion (Selective Laser Melting, SLM), employing metal dust is stock；It is near
A kind of up-to-date rapid shaping technique year occurred, is one of the latest development form of rapid prototype manufacturing.Navigate at Beijing Aviation
At it university exhibition booth, a tool uses band large-scale metal component laser gain material to manufacture the large component suction that (i.e. 3D printing) technology is produced
Draw the eyeball of everybody.It is reported that this Large Scale Space Vehicle component put on display with material object is that laser the most maximum increases
Material manufactures primary load bearing key titanium alloy member airframe entirety reinforcing frame, without mould, entirety, rapid development.These parts are first
Airplane exhibition exposes, as the load-supporting part of airliner, has been able to use domestic 3D printing technique manufacture.
Beam-plasma Rapid Prototyping technique is applied to the 3D printing aspect of metal parts also at phase of basic research, still has
More limitation, compares the energy of laser such as beam-plasma and concentrates for performance or the most poor, and this results in near-net-shape system
During standby workpiece, when multilamellar is piled up, last layer can tend to, from the synusia edge trickling piled up, cause horizontal direction with vertical
The roughness in direction is the biggest, even can not get required form.
Summary of the invention
A kind of method that it is an object of the invention to provide rapid shaping composite hard alloy powder compacting Roll Collar, passes through
Use metal 3D printer technique be prepared Roll Collar, by by Cr12MoV powder, 1Cr18Mn8Ni5N powder and
The mixing of 1Cr18Ni9Ti powder adds Fe powder and carries out the substrate forming part of 3D printing forming parts.
For solving above-mentioned technical problem, the present invention is achieved by the following technical solutions:
The present invention is a kind of method of rapid shaping composite hard alloy powder compacting Roll Collar, comprises the steps:
Step one, the Cr12MoV powder of dispensing: 50%-55%, 18%-23%1Cr18Mn8Ni5N powder and 15%-
20%1Cr18Ni9Ti powder, surplus is Fe powder and FeB powder, and wherein the ratio of Fe powder and FeB powder is 10:1；
The preparation of A Cr12MoV powder: Cr12MoV is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the Cr12MoV powder of 5-9 μm；
B 1Cr18Mn8Ni5N: 1Cr18Mn8Ni5N powder is placed in ball mill, ball milling 30h-under hydrogen shield
50h, forms the 1Cr18Mn8Ni5N powder of 5-9 μm；
C 1Cr18Ni9Ti: 1Cr18Ni9Ti powder is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the 1Cr18Ni9Ti powder of 5-9 μm；
Step 2, wet grinding: the Cr12MoV powder of dispensing 50%-55% that step one is prepared, 18%-23%
1Cr18Mn8Ni5N powder and 15%-20%1Cr18Ni9Ti powder, surplus is Fe powder, with liquid ethanol as ball-milling medium,
Adding titanium tetrachloride in mechanical milling process, the rotating speed of ball mill is at 90-100r/min, and Ball-milling Time is at 10-30min；
Step 3, sieves and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and is dried,
For 3D printer blank molding；
Step 4,3D printer molding: step 3 loaded in 3D printer, by the Roll Collar structural parameters of input.
Further, described step 3, sieve and be dried: the powder of step 2 milled is sieved, places into vacuum
Being dried in drying baker, for 3D printer blank molding, the 3D printer of employing is based on electron beam melting Rapid Manufacturing Technology
Printer.
The method have the advantages that
The present invention use metal 3D printer technique be prepared Roll Collar, by by 5Cr12MoV powder,
1Cr18Mn8Ni5N powder and 1Cr18Ni9Ti powder, surplus Fe powder and FeB powder carry out 3D and print the base of forming parts
Material, has one-shot forming, structural strength, and the relative density of the molding of toughness and microcosmic crystal reaches 99%, effectively improves
In the service life of part, there is shaping speed fast, improve precision during product moulding.
Certainly, the arbitrary product implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment one
Step one, dispensing: Cr12MoV powder, 18%1Cr18Mn8Ni5N powder and the 15%1Cr18Ni9Ti powder of 50%
End, surplus is Fe powder and the FeB powder of 17%, and wherein the ratio of Fe powder and FeB powder is 10:1；
The preparation of A Cr12MoV powder: Cr12MoV is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the Cr12MoV powder of 5-9 μm；
B 1Cr18Mn8Ni5N: 1Cr18Mn8Ni5N powder is placed in ball mill, ball milling 30h-under hydrogen shield
50h, forms the 1Cr18Mn8Ni5N powder of 5-9 μm；
C 1Cr18Ni9Ti: 1Cr18Ni9Ti powder is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the 1Cr18Ni9Ti powder of 5-9 μm；
Step 2, wet grinding: the Cr12MoV powder of the dispensing 50% that step one is prepared, 18%1Cr18Mn8Ni5N powder
End and 15%1Cr18Ni9Ti powder, surplus is Fe powder and the FeB powder of 17%, with liquid ethanol as ball-milling medium, ball milling
During add titanium tetrachloride, the rotating speed of ball mill is at 90-100r/min, and Ball-milling Time is at 10-30min；
Step 3, sieves and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and is dried,
For 3D printer blank molding；
Step 4,3D printer molding: step 3 loaded in 3D printer, by the Roll Collar structural parameters of input.
Cr12MoV powder, 18%1Cr18Mn8Ni5N powder and 15%1Cr18Ni9Ti powder by the 50% of low content
End, surplus is Fe powder and the FeB powder of 17%, as base material component, the Fe powder of high-load, passes through this Roll Collar 100h,
The speed scroll experiment of 100m/s, there is damage, and surface steel bonding in surface.
Embodiment two
A kind of method of rapid shaping composite hard alloy powder compacting Roll Collar, following steps:
Step one, dispensing: Cr12MoV powder, 20%1Cr18Mn8Ni5N powder and the 18%1Cr18Ni9Ti powder of 53%
End, surplus is Fe powder and the FeB powder of 9%, and wherein the ratio of Fe powder and FeB powder is 10:1；
The preparation of A Cr12MoV powder: Cr12MoV is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the Cr12MoV powder of 5-9 μm；
B 1Cr18Mn8Ni5N: 1Cr18Mn8Ni5N powder is placed in ball mill, ball milling 30h-under hydrogen shield
50h, forms the 1Cr18Mn8Ni5N powder of 5-9 μm；
C 1Cr18Ni9Ti: 1Cr18Ni9Ti powder is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the 1Cr18Ni9Ti powder of 5-9 μm；
Step 2, wet grinding: the Cr12MoV powder of the dispensing 53% that step one is prepared, 20%1Cr18Mn8Ni5N powder
End and 18%1Cr18Ni9Ti powder, surplus is Fe powder and the FeB powder of 9%, with liquid ethanol as ball-milling medium, ball milling
During add titanium tetrachloride, the rotating speed of ball mill is at 90-100r/min, and Ball-milling Time is at 10-30min；
Step 3, sieves and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and is dried,
For 3D printer blank molding；
Step 4,3D printer molding: step 3 loaded in 3D printer, by the Roll Collar structural parameters of input.
Cr12MoV powder, 20%1Cr18Mn8Ni5N powder and 18%1Cr18Ni9Ti powder by the 53% of low content
End, surplus is Fe powder and the FeB powder of 9%, as base material component, through the speed scroll of this Roll Collar 100h, 100m/s
Experiment, surface effect is good, without surface steel bonding.
Embodiment three
Step one, dispensing: Cr12MoV powder, 23%1Cr18Mn8Ni5N powder and the 20%1Cr18Ni9Ti powder of 55%
End, surplus is Fe powder and the FeB powder of 7%, and wherein the ratio of Fe powder and FeB powder is 10:1；
The preparation of A Cr12MoV powder: Cr12MoV is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the Cr12MoV powder of 5-9 μm；
B 1Cr18Mn8Ni5N: 1Cr18Mn8Ni5N powder is placed in ball mill, ball milling 30h-under hydrogen shield
50h, forms the 1Cr18Mn8Ni5N powder of 5-9 μm；
C 1Cr18Ni9Ti: 1Cr18Ni9Ti powder is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the 1Cr18Ni9Ti powder of 5-9 μm；
Step 2, wet grinding: the Cr12MoV powder of the dispensing 55% that step one is prepared, 23%1Cr18Mn8Ni5N powder
End and 20%1Cr18Ni9Ti powder, surplus is Fe powder and the FeB powder of 7%, and surplus is Fe powder, with liquid ethanol is
Ball-milling medium, adds titanium tetrachloride in mechanical milling process, the rotating speed of ball mill is at 90-100r/min, and Ball-milling Time is at 10-30min；
Step 3, sieves and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and is dried,
For 3D printer blank molding；
Step 4,3D printer molding: step 3 loaded in 3D printer, by the Roll Collar structural parameters of input.
Cr12MoV powder, 23%1Cr18Mn8Ni5N powder and 20%1Cr18Ni9Ti powder by the 55% of low content
End, surplus is Fe powder and the FeB powder of 7%, as base material component, the Fe powder of low content, passes through this Roll Collar 100h,
The speed scroll experiment of 100m/s, there is slight damage in surface, without surface steel bonding.
In the description of this specification, the description of reference term " embodiment ", " example ", " concrete example " etc. means
Specific features, structure, material or feature in conjunction with this embodiment or example description is contained at least one enforcement of the present invention
In example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.
And, the specific features of description, structure, material or feature can be to close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.Preferred embodiment is the most detailed
Describe all of details, be also not intended to the detailed description of the invention that this invention is only described.Obviously, according to the content of this specification,
Can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain the present invention
Principle and actual application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and four corner thereof and equivalent.
Claims (2)
1. the method for a rapid shaping composite hard alloy powder compacting Roll Collar, it is characterised in that comprise the steps:
Step one, the Cr12MoV powder of dispensing: 50%-55%, 18%-23%1Cr18Mn8Ni5N powder and 15%-20%
1Cr18Ni9Ti powder, surplus is Fe powder and FeB powder, and wherein the ratio of Fe powder and FeB powder is 10:1；
The preparation of A Cr12MoV powder: Cr12MoV is placed in ball mill, ball milling 30h-50h under hydrogen shield, form 5-9
The Cr12MoV powder of μm；
B 1Cr18Mn8Ni5N: 1Cr18Mn8Ni5N powder is placed in ball mill, ball milling 30h-50h, shape under hydrogen shield
Become the 1Cr18Mn8Ni5N powder of 5-9 μm；
C 1Cr18Ni9Ti: be placed in ball mill by 1Cr18Ni9Ti powder, ball milling 30h-50h under hydrogen shield, form 5-9
The 1Cr18Ni9Ti powder of μm；
Step 2, wet grinding: the Cr12MoV powder of dispensing 50%-55% that step one is prepared, 18%-23%
1Cr18Mn8Ni5N powder and 15%-20%1Cr18Ni9Ti powder, surplus is Fe powder, with liquid ethanol as ball-milling medium,
Adding titanium tetrachloride in mechanical milling process, the rotating speed of ball mill is at 90-100r/min, and Ball-milling Time is at 10-30min；
Step 3, sieves and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and is dried, is used for
3D printer blank molding；
Step 4,3D printer molding: step 3 loaded in 3D printer, by the Roll Collar structural parameters of input.
The method of a kind of rapid shaping composite hard alloy powder compacting Roll Collar the most according to claim 1, its feature
It is that described step 3 is sieved and is dried: sieved by the powder of step 2 milled, places in vacuum drying oven and be dried,
For 3D printer blank molding, the 3D printer of employing is printer based on electron beam melting Rapid Manufacturing Technology.
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| CN201610701955.9A CN106077649B (en) | 2016-08-22 | 2016-08-22 | A kind of method of rapid shaping composite hard alloy powder compacting Roll Collar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041351A1 (en) * | 2020-08-26 | 2022-03-03 | 深圳市氢雄燃料电池有限公司 | Metal bipolar plate for fuel cell and preparation method therefor |
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| US6231636B1 (en) * | 1998-02-06 | 2001-05-15 | Idaho Research Foundation, Inc. | Mechanochemical processing for metals and metal alloys |
| CN1490424A (en) * | 2003-08-27 | 2004-04-21 | 崇义章源钨制品有限公司 | Nano crystal dosed yttrium carbide alloy composite powder and preparation thereof |
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| CN102864372A (en) * | 2012-09-14 | 2013-01-09 | 江苏久联冶金机械制造有限公司 | Wear-resisting rolling mill guide and guard and manufacture method thereof |
| CN103014475A (en) * | 2012-12-18 | 2013-04-03 | 江苏新亚特钢锻造有限公司 | Oxide particle reinforced laser cladding high-wear resistance nickel-base alloy powder and preparation method thereof |
| CN105349844A (en) * | 2015-11-29 | 2016-02-24 | 印杰 | Laser cladding alloy powder with high wear resistance and preparation method thereof |
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2016
- 2016-08-22 CN CN201610701955.9A patent/CN106077649B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6231636B1 (en) * | 1998-02-06 | 2001-05-15 | Idaho Research Foundation, Inc. | Mechanochemical processing for metals and metal alloys |
| CN1490424A (en) * | 2003-08-27 | 2004-04-21 | 崇义章源钨制品有限公司 | Nano crystal dosed yttrium carbide alloy composite powder and preparation thereof |
| CN102151834A (en) * | 2011-03-08 | 2011-08-17 | 深圳市格林美高新技术股份有限公司 | Al2O3-cobalt-based adhesive phase-containing ultrafine hard alloy powder and preparation method and use thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022041351A1 (en) * | 2020-08-26 | 2022-03-03 | 深圳市氢雄燃料电池有限公司 | Metal bipolar plate for fuel cell and preparation method therefor |
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| CN106077649B (en) | 2018-04-10 |
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