CN108950373A - A kind of high finishing mill alloy slitting wheel and its Remanufacture technique - Google Patents
A kind of high finishing mill alloy slitting wheel and its Remanufacture technique Download PDFInfo
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- CN108950373A CN108950373A CN201810915860.6A CN201810915860A CN108950373A CN 108950373 A CN108950373 A CN 108950373A CN 201810915860 A CN201810915860 A CN 201810915860A CN 108950373 A CN108950373 A CN 108950373A
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- 239000000956 alloy Substances 0.000 title claims abstract description 38
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 14
- 238000007670 refining Methods 0.000 claims abstract description 14
- 238000005121 nitriding Methods 0.000 claims abstract description 13
- 238000007788 roughening Methods 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 5
- 238000011282 treatment Methods 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005275 alloying Methods 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 238000009847 ladle furnace Methods 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 229910000805 Pig iron Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000013532 laser treatment Methods 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance 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
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- C21C7/0645—Agents used for dephosphorising or desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
- C22C33/10—Making cast-iron alloys including procedures for adding magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
-
- 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
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Hard Magnetic Materials (AREA)
Abstract
The invention discloses a kind of high finishing mill alloy slitting wheel and its Remanufacture techniques, the production process of alloy slitting wheel is smelting → addition auxiliary material refining → VD/RH vacuum outgas → casting → sanding and polishing → low temperature nitriding → laser roughening in electromagnetic oven, by improving impurity eduction rate and laser treatment in refining process, the carbon element content of alloy material surface is lowered, strengthens mechanical performance and the effect of raising service life to reach.
Description
Technical field
The invention belongs to metal material and technical field of surface, more particularly to a kind of high finishing mill alloy slitting wheel
And its Remanufacture technique.
Background technique
Steel material has very high intensity and hardness, while having good plasticity and processability, and therefore, it is current
A kind of maximum structural material of world's usage amount.But no matter steel material uses or places for a long time in atmospheric environment, all
Chemical action or electrochemical action gradually can occur with surrounding medium, cause the corrosion on surface, to improve the wear-resisting of steel material
Impact resistance carries out intensive treatment to steel material working surface.
Its working position surface suffers from the multiple factors such as various stress, external environment to steel material in use
Influence, it is easy to occur abrasion, deformation, crackle phenomena such as, greatly reduce the service life of mold.Laser roughening technology exists
The modified aspect of the reshaping on surface has very superior condition, can realize in metal material surface and increase the effect of rubbing anti-attrition.
Summary of the invention
The purpose of the present invention is to provide a kind of high finishing mill alloy slitting wheel and its Remanufacture techniques, by improving essence
Impurity eduction rate and laser treatment during refining strengthen mechanical performance and the effect of raising service life to reach.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
A kind of high finishing mill alloy slitting wheel, which is characterized in that wherein the production process of alloy slitting wheel is in electromagnetic oven
Smelting → addition auxiliary material refining → VD/RH vacuum outgas → casting → sanding and polishing → low temperature nitriding → laser roughening；
Milling train slitting wheel casting has following weight percent composition: C2.15%-2.40% after VD/RH vacuum outgas,
Al≤0.40%, Mn0.3%-0.5%, S≤0.030%, P≤0.030%, Cr8.00%-10.50%, Ti1.5%-
1.8%, RE0.05%-0.12%, V0.15-0.30%, Mo0.40%-0.60%, Ni allow residual content≤0.25%, Cu
Allow residual content≤0.30%, remaining is Fe.
Further, a kind of high finishing mill alloy slitting wheel, it is characterised in that: the addition auxiliary material is each
Parts by Ingredients are as follows: 1-3 parts of villiaumite, 1-3 parts of chromium agent, 2-5 parts of magnesia mixture, 5-8 parts of aluminium powder, 0.3-0.8 parts of rare earth, binder 1-5
Part, 2-20 parts of dispersing agent.
Further, the Remanufacture technique of a kind of high finishing mill alloy slitting wheel, it is characterised in that: including with
Lower step:
(1) waste and old slitting wheel is smelted in inductive electromagnetic furnace, the pig iron, steel scrap, aluminium is added, realize component just step
Section, manual method skim for the first time；
(2) auxiliary material is added in ball mill together after mixing, under vacuum condition after ball milling, obtains composite powder
Then end obtains composite powder；
(3) in ladle furnace refining step (2) resulting composite powder is added, in steel in the slitting wheel after smelting step (1)
S, de- O, de- P are taken off in packet furnace and alloying element and rare earth element is added, and after trimming, VD/RH vacuum outgas are carried out, in VD/
Vacuum outgas and again after trimming in RH furnace carries out artificial secondary skims；
(4) it after alloy solution after step (3) resulting fine tuning being stood cooling, pours into slitting wheel model shell and is poured
Note, the cooling temperature of alloy solution are 1700-1820 DEG C, and pouring temperature is 1630-1640 DEG C, after casting, by manufactured cutting
Cooled to room temperature is taken turns, obtains slitting wheel after removing running gate system；
(5) then the resulting casting slitting wheel after cooling of step (4) is fought each other by sand paper manual grinding with polishing machine
The surface of slitting wheel after mill is processed by shot blasting, reaches optical mirror plane, after being cleaned again with acetone later, be put into low temperature from
In sub- nitriding furnace, unlatching pumped vacuum systems, the argon purge vacuum drying oven being passed through, after being evacuated to ultimate vacuum again and checking gas leakage,
It is passed through pure nitrogen gas/nitrogen and hydrogen mixture/nitrogen methane mixed gas, low temperature plasma nitriding is carried out, is furnace-cooled to and comes out of the stove lower than 100 DEG C, weight
It is 1-5 times multiple；
(6) slitting wheel after step (5) resulting nitriding is cleaned by ultrasonic and is dried, be placed into the sample of laser equipment
In sample platform, the parameter that laser equipment is arranged carries out laser roughening, is carried out gently using abrasive paper for metallograph to slitting wheel after laser roughening
Wiping after wiping surface using dehydrated alcohol, carries out obtaining glow discharge nitriding-surface laser frosting treatment after painting oil drying high-precision
Milling train alloy slitting wheel.
Further, each component for the component fine tuning slitting wheel smelted in the step (1) magnetic furnace is by mass percentage
Composition are as follows: C1.00%-1.20%, Al≤0.40%, Mn0.2%-0.4%, S≤0.045%, P≤0.045%, Cr≤
10%, V≤0.15%, Mo≤0.30%, Ni allow residual content≤0.25%, Cu to allow residual content≤0.30%, remaining
For Fe.
Further, the composition of each component of the component fine tuning slitting wheel of the step (3) refining by mass percentage
Are as follows: C2.15%-2.40%, Al≤0.40%, Mn0.3%-0.5%, S≤0.030%, P≤0.030%, Cr8.00%-
10.50%, Ti1.5%-1.8%, RE0.05%-0.12%, V0.15-0.30%, Mo0.40%-0.60%, Ni allow remaining
Content≤0.25%, Cu allows residual content≤0.30%, remaining is Fe.
The invention has the following advantages:
Slitting wheel of the invention carries out having carried out microalloy treatment in raw material, and the auxiliary material of addition is worked in coordination,
Improve the activity in refining, at the same rare earth and manganese also can be improved, chromium, magnesium, each element are uniformly distributed, to reduce alloy solution
Viscosity, aluminium powder can form oxide in alloy solution, because light weight floats, improve the cleanliness of alloy solution；It improves and closes
Mold-filling capacity of the gold solution in casting improves the plasticity of alloy composite materials and cuts to guarantee the uniform shrinkage in sintering process
Performance is cut, the better alloy composite materials of mechanical performance are obtained.
The present invention carries out glow discharge nitriding to alloy, forms one layer of nitride layer in alloy surface, nitride layer is compared to it
His surface reforming layer has infiltration layer and basal body binding force strong, not easily to fall off in friction process, and alloying layer thickness is big, in friction process
In be not easy the advantages of being worn through, add hydrogen or the nitrogen mixed gas of CH4, there is strong reducing action, can effectively go
Except the oxidation film of surface production, more absorption FeN are formed on surface, to generate more free N.
The present invention using laser roughening technology in terms of reshaping modification on surface with very superior condition, laser can be with
The carbon element content of alloy material surface is lowered, can be realized in metal material surface and increase the effect of rubbing anti-attrition.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment
A kind of high finishing mill alloy slitting wheel, which is characterized in that wherein the production process of alloy slitting wheel is in electromagnetic oven
Smelting → addition auxiliary material refining → VD/RH vacuum outgas → casting → sanding and polishing → low temperature nitriding → laser roughening；
Milling train slitting wheel casting has following weight percent composition: C2.15%-2.40% after VD/RH vacuum outgas,
Al≤0.40%, Mn0.3%-0.5%, S≤0.030%, P≤0.030%, Cr8.00%-10.50%, Ti1.5%-
1.8%, RE0.05%-0.12%, V0.15-0.30%, Mo0.40%-0.60%, Ni allow residual content≤0.25%, Cu
Allow residual content≤0.30%, remaining is Fe.
Further, a kind of high finishing mill alloy slitting wheel, it is characterised in that: the addition auxiliary material is each
Parts by Ingredients are as follows: 2 parts of villiaumite, 2 parts of chromium agent, 3 parts of magnesia mixture, 6 parts of aluminium powder, 0.5 part of rare earth, 3 parts of binder, 15 parts of dispersing agent.
Further, the Remanufacture technique of a kind of high finishing mill alloy slitting wheel, it is characterised in that: including with
Lower step:
(1) waste and old slitting wheel is smelted in inductive electromagnetic furnace, the pig iron, steel scrap, aluminium is added, realize component just step
Section, manual method skim for the first time；
(2) auxiliary material is added in ball mill together after mixing, under vacuum condition after ball milling, obtains composite powder
Then end obtains composite powder；
(3) in ladle furnace refining step (2) resulting composite powder is added, in steel in the slitting wheel after smelting step (1)
S, de- O, de- P are taken off in packet furnace and alloying element and rare earth element is added, and after trimming, VD/RH vacuum outgas are carried out, in VD/
Vacuum outgas and again after trimming in RH furnace carries out artificial secondary skims；
(4) it after alloy solution after step (3) resulting fine tuning being stood cooling, pours into slitting wheel model shell and is poured
Note, the cooling temperature of alloy solution are 1700-1820 DEG C, and pouring temperature is 1630-1640 DEG C, after casting, by manufactured cutting
Cooled to room temperature is taken turns, obtains slitting wheel after removing running gate system；
(5) then the resulting casting slitting wheel after cooling of step (4) is fought each other by sand paper manual grinding with polishing machine
The surface of slitting wheel after mill is processed by shot blasting, reaches optical mirror plane, after being cleaned again with acetone later, be put into low temperature from
In sub- nitriding furnace, unlatching pumped vacuum systems, the argon purge vacuum drying oven being passed through, after being evacuated to ultimate vacuum again and checking gas leakage,
It is passed through pure nitrogen gas/nitrogen and hydrogen mixture/nitrogen methane mixed gas, low temperature plasma nitriding is carried out, is furnace-cooled to and comes out of the stove lower than 100 DEG C, weight
It is 1-5 times multiple；
(6) slitting wheel after step (5) resulting nitriding is cleaned by ultrasonic and is dried, be placed into the sample of laser equipment
In sample platform, the parameter that laser equipment is arranged carries out laser roughening, is carried out gently using abrasive paper for metallograph to slitting wheel after laser roughening
Wiping after wiping surface using dehydrated alcohol, carries out obtaining glow discharge nitriding-surface laser frosting treatment after painting oil drying high-precision
Milling train alloy slitting wheel.
Further, each component for the component fine tuning slitting wheel smelted in the step (1) magnetic furnace is by mass percentage
Composition are as follows: C1.00%-1.20%, Al≤0.40%, Mn0.2%-0.4%, S≤0.045%, P≤0.045%, Cr≤
10%, V≤0.15%, Mo≤0.30%, Ni allow residual content≤0.25%, Cu to allow residual content≤0.30%, remaining
For Fe.
Further, the composition of each component of the component fine tuning slitting wheel of the step (3) refining by mass percentage
Are as follows: C2.15%-2.40%, Al≤0.40%, Mn0.3%-0.5%, S≤0.030%, P≤0.030%, Cr8.00%-
10.50%, Ti1.5%-1.8%, RE0.05%-0.12%, V0.15-0.30%, Mo0.40%-0.60%, Ni allow remaining
Content≤0.25%, Cu allows residual content≤0.30%, remaining is Fe.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of high finishing mill alloy slitting wheel, which is characterized in that wherein the production process of alloy slitting wheel is smelting in electromagnetic oven
Refining → addition auxiliary material refining → VD/RH vacuum outgas → casting → sanding and polishing → low temperature nitriding → laser roughening；
There is following weight percent to form for milling train slitting wheel casting after VD/RH vacuum outgas: C2.15%-2.40%, Al≤
0.40%, Mn0.3%-0.5%, S≤0.030%, P≤0.030%, Cr8.00%-10.50%, Ti1.5%-1.8%,
It is residual that RE0.05%-0.12%, V0.15-0.30%, Mo0.40%-0.60%, Ni allow residual content≤0.25%, Cu to allow
Remaining content≤0.30%, remaining is Fe.
2. a kind of high finishing mill alloy slitting wheel according to claim 1, it is characterised in that: the addition auxiliary material
Each Parts by Ingredients are as follows: 1-3 parts of villiaumite, 1-3 parts of chromium agent, 2-5 parts of magnesia mixture, 5-8 parts of aluminium powder, 0.3-0.8 parts of rare earth, binder 1-
5 parts, 2-20 parts of dispersing agent.
3. a kind of Remanufacture technique of high finishing mill alloy slitting wheel according to claim 1, it is characterised in that: including
Following steps:
(1) waste and old slitting wheel is smelted in inductive electromagnetic furnace, the pig iron, steel scrap, aluminium is added, realize that component is tentatively adjusted,
Manual method skim for the first time；
(2) auxiliary material is added in ball mill together after mixing, under vacuum condition after ball milling, obtains composite powder, so
Composite powder is obtained afterwards；
(3) in ladle furnace refining step (2) resulting composite powder is added, in ladle furnace in the slitting wheel after smelting step (1)
In take off S, de- O, de- P and alloying element and rare earth element be added, after trimming, VD/RH vacuum outgas is carried out, in VD/RH furnace
After middle vacuum outgas and again trimming, manually secondary skim is carried out；
(4) it after alloy solution after step (3) resulting fine tuning being stood cooling, pours into slitting wheel model shell and is poured,
The cooling temperature of alloy solution is 1700-1820 DEG C, and pouring temperature is 1630-1640 DEG C, after casting, certainly by manufactured slitting wheel
It is so cooled to room temperature, obtains slitting wheel after removing running gate system；
(5) by step (4) resulting casting slitting wheel after cooling by sand paper manual grinding, then with polishing machine to polishing after
The surface of slitting wheel be processed by shot blasting, reach optical mirror plane, after being cleaned again with acetone later, be put into low-temperature ion infiltration
In nitrogen furnace, pumped vacuum systems is opened, the argon purge vacuum drying oven being passed through is passed through after being evacuated to ultimate vacuum again and checking gas leakage
Pure nitrogen gas/nitrogen and hydrogen mixture/nitrogen methane mixed gas carries out low temperature plasma nitriding, is furnace-cooled to and comes out of the stove lower than 100 DEG C, repeats 1-5
It is secondary；
(6) slitting wheel after step (5) resulting nitriding is cleaned by ultrasonic and is dried, be placed into the sample stage of laser equipment
On, the parameter that laser equipment is arranged carries out laser roughening, slitting wheel gently wiped using abrasive paper for metallograph after laser roughening,
After wiping surface using dehydrated alcohol, the high finishing mill of glow discharge nitriding-surface laser frosting treatment is obtained after carrying out painting oil drying
Alloy slitting wheel.
4. a kind of Remanufacture technique of high finishing mill alloy slitting wheel according to claim 3, which is characterized in that described
The step of (1) magnetic furnace in each component composition by mass percentage of component fine tuning slitting wheel smelted are as follows: C1.00%-
1.20%, Al≤0.40%, Mn0.2%-0.4%, S≤0.045%, P≤0.045%, Cr≤10%, V≤0.15%, Mo≤
0.30%, Ni allow residual content≤0.25%, Cu to allow residual content≤0.30%, remaining is Fe.
5. a kind of Remanufacture technique of high finishing mill alloy slitting wheel according to claim 3, which is characterized in that described
The step of (3) refining component fine tuning slitting wheel each component composition by mass percentage are as follows: C2.15%-2.40%, Al≤
0.40%, Mn0.3%-0.5%, S≤0.030%, P≤0.030%, Cr8.00%-10.50%, Ti1.5%-1.8%,
It is residual that RE0.05%-0.12%, V0.15-0.30%, Mo0.40%-0.60%, Ni allow residual content≤0.25%, Cu to allow
Remaining content≤0.30%, remaining is Fe.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117701985A (en) * | 2023-12-08 | 2024-03-15 | 重庆市铜梁区文化馆 | Cast iron material for forging iron flowers and preparation and application thereof |
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