CN106244943A - A kind of guide wheel preparation method based on Laigang alloy - Google Patents
A kind of guide wheel preparation method based on Laigang alloy Download PDFInfo
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- CN106244943A CN106244943A CN201610695731.1A CN201610695731A CN106244943A CN 106244943 A CN106244943 A CN 106244943A CN 201610695731 A CN201610695731 A CN 201610695731A CN 106244943 A CN106244943 A CN 106244943A
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/34—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- 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
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- 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
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- 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
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C23C8/08—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 only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/007—Ledeburite
Abstract
The invention discloses a kind of guide wheel preparation method based on Laigang alloy.Configuring including raw material, the configuration of Laigang alloy base material and composite is respectively 80% 89% and 11% 20%, melting, casting and roughing, heat treatment and Nitrizing Treatment.The present invention is with Laigang alloy as matrix, and its ledeburite formed is the eutectic with cementite as matrix, and in ledeburite, eutectic carbide gets more and more, and has high alloy hardness and wearability；With Laigang alloy as matrix, assistant metal aluminum, ferro-boron and ferrotianium form the structure of complex with ledeburite, improve the structural rigidity of guide wheel.
Description
Technical field
The invention belongs to mill guide wheel technical field, particularly relate to a kind of guide wheel preparation method based on Laigang alloy.
Background technology
Heat resisting steel has formed the standards system of maturation both at home and abroad, and heat resisting steel mainly includes that oxidation resistant steel and refractory steel two are big
Class, wherein refractory steel requires to be divided into according to structural state and serviceability: pearlite type refractory steel, martensite type refractory steel and
Family name's build refractory steel；Oxidation-resistant heat-resistant steel is divided into ferrite and austenite two class steel.And domestic abrasion-resistant stee does not the most still have system
Technical standard, but it is relatively wide, as purposes compares manganese steel v tool steel, alloy widely to make steel grade selected by wear part
Cast iron, middle low-alloy wear-resistant steel and special abrasion-resistant stee etc..The development of abrasion-resistant stee is typically based on working condition, wear type and material
The difference of material failure mechanism, selects and designs steel grade.
Guide wheel is the important spare part that consumption is bigger in hot rolled rod production line, is the crucial portion in steel rolling guide assembly
Part, 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.
Rolling guide (guide wheel) working condition: bearing temperature, strength abrasion, abrasive material is iron scale；Work process is sprayed
Drench the Thermal shock testing that cooling water produces.Therefore, make the material of guide wheel, first have to the strength abrasion under opposing temperature, also want
All kinds of impacts when bearing rolling and the heat exhaustion of the cold formation of sharp heat shock.
Summary of the invention
It is an object of the invention to provide a kind of guide wheel preparation method based on Laigang alloy, by with Laigang alloy as base
Body, its ledeburite formed is the eutectic with cementite as matrix, and assistant metal aluminum, ferro-boron and ferrotianium and ledeburite are formed multiple
Fit structure, improves the structural rigidity of guide wheel.
For solving above-mentioned technical problem, the present invention is achieved by the following technical solutions:
The present invention is a kind of guide wheel preparation method based on Laigang alloy, comprises the steps:
Step one, raw material configures:
A Laigang alloy base material: using mass fraction is 40～the ferrochrome of the ferromanganese of 45%, 10～15%, 2～5%
The ferronickel of the molybdenum-iron of ferrosilicon, 1～2%, 10～15%, surplus is Fe；
Wherein, the chemical composition of Laigang alloy base material is C 1.65-1.85%, Mn 0.7-1.0%, Si 0.6-
0.9%, Cr 15.0-17.0%, Mo 0.8-1.0%, Ni 4.6-5.5%；
B composite: use mass fraction be 1.0～the ferro-boron of the metallic aluminium of 1.5%, 1.0～1.2%, 1.3～
The ferrotianium dispensing of 1.5%, surplus is Fe；
Wherein, the chemical composition of composite is Al 1.0～1.5%, B 1.0～1.5%, Ti 1.0～1.5%；
The B of A and 11%-20% being configured to 80%-89% of C Laigang alloy base material and composite；
Step 2, melting: by the ferromanganese in step one, ferrochrome, ferrosilicon, molybdenum-iron, ferronickel, mix in medium-frequency induction furnace
Add heat fusing；When liquid steel temperature reaches 1530～1550 DEG C, stop heating, after room temperature stands 30-60min, add remaining gold
Belong to aluminum, ferro-boron and ferrotianium, heating, when making liquid steel temperature reach 1660～1680 DEG C, stop heating, after room temperature stands 1-2h, go out
Stove enters casting ladle；
Step 3, casting and roughing: when liquid steel temperature is down to 1505～1520 DEG C, molten steel is poured into casting mold, obtains
Guide wheel blank, guide wheel blank, after sand removal, going dead head to process, enters stove and is heated to 880～920 DEG C, after being incubated 4～6 hours, stove
It is cooled to air cooling after temperature is less than 500 DEG C and, to room temperature, then carries out roughing；
Step 4, heat treatment: continue the guide wheel after roughing to be heated to 1020～1050 DEG C into stove, be incubated 2～4 hours
After, carry out machine finishing；Quenching cooling 40～60 minutes in the oil quenching bath that temperature is 100～150 DEG C, subsequently 200
～220 DEG C of tempering are incubated 8～10 hours, air cooling of coming out of the stove is to room temperature；
Step 5, Nitrizing Treatment: the guide pulley surface after step 4 being processed carries out nitriding, is carried out continuously 2-3 time, oozes every time
Nitrogen temperature reduces by 5 DEG C.
Further, in described step 3, casting technique uses vertical pouring, presses 2 rising heads on foundry goods both sides, and cast gate is opened
At rising head root, cast uses top pouring type, and pouring temperature is 1515 DEG C.
Further, the chemical composition mass fraction of described ferrotianium is: Ti:38～42%, Al:3～6%, Si:2.0～
4.5%, Mn:0.5～1.5%, C :≤0.1%, P :≤0.1%, S :≤0.06%, surplus is Fe.
The method have the advantages that
1, guide wheel of the present invention is with Laigang alloy as matrix, and its ledeburite formed is the eutectic with cementite as matrix,
Being the product of eutectic reaction, along with the increase of phosphorus content, in ledeburite, eutectic carbide gets more and more, this kind of alloy rigidity and resistance to
Mill property is the highest；Matrix Wei Shi body, austenitic matrix is dispersed with substantial amounts of carbide.This tissue morphology ensure that
Anti-wear performance under workpiece high temperature uses requirement.
2, the guide wheel wearability of the present invention is unified with resistance to viscosity, superior performance；After the increase of steel amount embraced by guide wheel, alleviate inlet clip
Plate is helped, and greatly reduces scuffing size waste product.
3, this guide wheel of the present invention is highly desirable for service life, and wear extent is less, and rolled steel surface quality is preferable, reduces
Between the heat stopping time, alleviate labor strength.If using the little roller bearing of high-performance, improving bearing assembling mode, increasing cooling water inflow
And cooling effectiveness, effect will be more preferably.
4, the guide wheel of the present invention is with Laigang alloy as matrix, and assistant metal aluminum, ferro-boron and ferrotianium and ledeburite are formed compound
The structure of body, improves the structural rigidity of guide wheel.
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
A kind of guide wheel preparation method based on Laigang alloy, comprises the steps:
Step one, raw material configures:
A Laigang alloy base material: use mass fraction be 40% ferromanganese, the ferrochrome of 10%, the ferrosilicon of 2%, 1%
Molybdenum-iron, the ferronickel of 10%, surplus is Fe；
Wherein, the chemical composition of Laigang alloy base material is C 1.65%, Mn 0.7%, Si 0.6%, Cr
15.0%, Mo 0.8%, Ni 4.6%；
B composite: use mass fraction be 1.0% metallic aluminium, the ferro-boron of 1.0%, the ferrotianium dispensing of 1.3%, remaining
Amount is Fe；
Wherein, the chemical composition of composite is Al 1.0%, B 1.0%, Ti 1.0%；
C Laigang alloy base material is configured to the A of the 80% and B of 20% with composite；
Step 2, melting: by the ferromanganese in step one, ferrochrome, ferrosilicon, molybdenum-iron, ferronickel, mix in medium-frequency induction furnace
Add heat fusing；When liquid steel temperature reaches 1530～1550 DEG C, stop heating, after room temperature stands 30-60min, add remaining gold
Belong to aluminum, ferro-boron and ferrotianium, heating, when making liquid steel temperature reach 1660～1680 DEG C, stop heating, after room temperature stands 1-2h, go out
Stove enters casting ladle；
Step 3, casting and roughing: when liquid steel temperature is down to 1505～1520 DEG C, molten steel is poured into casting mold, obtains
Guide wheel blank, guide wheel blank, after sand removal, going dead head to process, enters stove and is heated to 880～920 DEG C, after being incubated 4～6 hours, stove
It is cooled to air cooling after temperature is less than 500 DEG C and, to room temperature, then carries out roughing；
Step 4, heat treatment: continue the guide wheel after roughing to be heated to 1020～1050 DEG C into stove, be incubated 2～4 hours
After, carry out machine finishing；Quenching cooling 40～60 minutes in the oil quenching bath that temperature is 100～150 DEG C, subsequently 200
～220 DEG C of tempering are incubated 8～10 hours, air cooling of coming out of the stove is to room temperature；
Step 5, Nitrizing Treatment: the guide pulley surface after step 4 being processed carries out nitriding, is carried out continuously 2-3 time, oozes every time
Nitrogen temperature reduces by 5 DEG C.
Wherein, in step 3, casting technique uses vertical pouring, presses 2 rising heads on foundry goods both sides, and cast gate is opened in riser pad
Portion, cast uses top pouring type, and pouring temperature is 1515 DEG C.
Wherein, the chemical composition mass fraction of ferrotianium is: Ti:38～42%, Al:3～6%, Si:2.0～4.5%, Mn:
0.5～1.5%, C :≤0.1%, P :≤0.1%, S :≤0.06%, surplus is Fe.
According to the B of Laigang alloy base material Yu A and 11%-20% being configured to 80%-89% of composite, test
Analysis draws, it is thus achieved that guide wheel quality entering the scope of steel speed 180-200m/s, carry out the test of 100h, experimental result, lead
There is damage in wheel surface, and steel bonding phenomenon occurs.
Embodiment two
A kind of guide wheel preparation method based on Laigang alloy, comprises the steps:
Step one, raw material configures:
A Laigang alloy base material: use mass fraction be 43% ferromanganese, the ferrochrome of 13%, the ferrosilicon of 3%, 1.5%
Molybdenum-iron, the ferronickel of 13%, surplus is Fe；
Wherein, the chemical composition of Laigang alloy base material is C 1.75%, Mn 0.8%, Si 0.7%, Cr 16%,
Mo 0.9%, Ni 5.1%；
B composite: use mass fraction be 1.3% metallic aluminium, the ferro-boron of 1.1%, the ferrotianium dispensing of 1.4%, remaining
Amount is Fe；
Wherein, the chemical composition of composite is Al 1.3%, B 1.3%, Ti 1.3%；
The B of A and 11%-20% being configured to 80%-89% of C Laigang alloy base material and composite；
Step 2, melting: by the ferromanganese in step one, ferrochrome, ferrosilicon, molybdenum-iron, ferronickel, mix in medium-frequency induction furnace
Add heat fusing；When liquid steel temperature reaches 1530～1550 DEG C, stop heating, after room temperature stands 30-60min, add remaining gold
Belong to aluminum, ferro-boron and ferrotianium, heating, when making liquid steel temperature reach 1660～1680 DEG C, stop heating, after room temperature stands 1-2h, go out
Stove enters casting ladle；
Step 3, casting and roughing: when liquid steel temperature is down to 1505～1520 DEG C, molten steel is poured into casting mold, obtains
Guide wheel blank, guide wheel blank, after sand removal, going dead head to process, enters stove and is heated to 880～920 DEG C, after being incubated 4～6 hours, stove
It is cooled to air cooling after temperature is less than 500 DEG C and, to room temperature, then carries out roughing；
Step 4, heat treatment: continue the guide wheel after roughing to be heated to 1020～1050 DEG C into stove, be incubated 2～4 hours
After, carry out machine finishing；Quenching cooling 40～60 minutes in the oil quenching bath that temperature is 100～150 DEG C, subsequently 200
～220 DEG C of tempering are incubated 8～10 hours, air cooling of coming out of the stove is to room temperature；
Step 5, Nitrizing Treatment: the guide pulley surface after step 4 being processed carries out nitriding, is carried out continuously 2-3 time, oozes every time
Nitrogen temperature reduces by 5 DEG C.
Wherein, in step 3, casting technique uses vertical pouring, presses 2 rising heads on foundry goods both sides, and cast gate is opened in riser pad
Portion, cast uses top pouring type, and pouring temperature is 1515 DEG C.
Wherein, the chemical composition mass fraction of ferrotianium is: Ti:38%, Al:3%, Si:2.0%, Mn:0.5%, C :≤
0.1%, P :≤0.1%, S :≤0.06%, surplus is Fe.
The composite of the Laigang alloy base material according to low content composition and content composition be configured to 80% A and
The B of 20%, test analysis draws, it is thus achieved that guide wheel quality entering the scope of steel speed 180-200m/s, carry out the test of 100h,
Experimental result, there is slight damage in guide pulley surface, without steel bonding phenomenon.
Embodiment three
A kind of guide wheel preparation method based on Laigang alloy, comprises the steps:
Step one, raw material configures:
A Laigang alloy base material: use mass fraction be 45% ferromanganese, the ferrochrome of 15%, the ferrosilicon of 5%, 2%
Molybdenum-iron, the ferronickel of 15%, surplus is Fe；
Wherein, the chemical composition of Laigang alloy base material is C 1.85%, Mn 1.0%, Si 0.9%, Cr
17.0%, Mo 1.0%, Ni 5.5%；
B composite: use mass fraction be 1.5% metallic aluminium, the ferro-boron of 1.2%, the ferrotianium dispensing of 1.5%, remaining
Amount is Fe；
Wherein, the chemical composition of composite is Al 1.5%, B 1.5%, Ti 1.5%；
The B of A and 11%-20% being configured to 80%-89% of C Laigang alloy base material and composite；
Step 2, melting: by the ferromanganese in step one, ferrochrome, ferrosilicon, molybdenum-iron, ferronickel, mix in medium-frequency induction furnace
Add heat fusing；When liquid steel temperature reaches 1530～1550 DEG C, stop heating, after room temperature stands 30-60min, add remaining gold
Belong to aluminum, ferro-boron and ferrotianium, heating, when making liquid steel temperature reach 1660～1680 DEG C, stop heating, after room temperature stands 1-2h, go out
Stove enters casting ladle；
Step 3, casting and roughing: when liquid steel temperature is down to 1505～1520 DEG C, molten steel is poured into casting mold, obtains
Guide wheel blank, guide wheel blank, after sand removal, going dead head to process, enters stove and is heated to 880～920 DEG C, after being incubated 4～6 hours, stove
It is cooled to air cooling after temperature is less than 500 DEG C and, to room temperature, then carries out roughing；
Step 4, heat treatment: continue the guide wheel after roughing to be heated to 1020～1050 DEG C into stove, be incubated 2～4 hours
After, carry out machine finishing；Quenching cooling 40～60 minutes in the oil quenching bath that temperature is 100～150 DEG C, subsequently 200
～220 DEG C of tempering are incubated 8～10 hours, air cooling of coming out of the stove is to room temperature；
Step 5, Nitrizing Treatment: the guide pulley surface after step 4 being processed carries out nitriding, is carried out continuously 2-3 time, oozes every time
Nitrogen temperature reduces by 5 DEG C.
Wherein, in step 3, casting technique uses vertical pouring, presses 2 rising heads on foundry goods both sides, and cast gate is opened in riser pad
Portion, cast uses top pouring type, and pouring temperature is 1515 DEG C.
Wherein, the chemical composition mass fraction of ferrotianium is: Ti:42%, Al:6%, Si:4.5%, Mn:1.5%, C :≤
0.1%, P :≤0.1%, S :≤0.06%, surplus is Fe.
Being configured to the A of the 89% and B of 11% according to Laigang alloy base material and composite, test analysis draws,
The guide wheel quality obtained is entering the scope of steel speed 180-200m/s, carries out the test of 100h, experimental result, and guide pulley surface is lossless
Wound, without steel bonding phenomenon.
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 (3)
1. a guide wheel preparation method based on Laigang alloy, it is characterised in that comprise the steps:
Step one, raw material configures:
A Laigang alloy base material: using mass fraction is 40～the silicon of the ferrochrome of the ferromanganese of 45%, 10～15%, 2～5%
The ferronickel of the molybdenum-iron of ferrum, 1～2%, 10～15%, surplus is Fe；
Wherein, the chemical composition of Laigang alloy base material is C 1.65-1.85%, Mn 0.7-1.0%, Si 0.6-0.9%,
Cr 15.0-17.0%, Mo 0.8-1.0%, Ni 4.6-5.5%；
B composite: using mass fraction is 1.0～the ferro-boron of the metallic aluminium of 1.5%, 1.0～1.2%, 1.3～1.5%
Ferrotianium dispensing, surplus is Fe；
Wherein, the chemical composition of composite is Al 1.0～1.5%, B 1.0～1.5%, Ti 1.0～1.5%；
The B of A and 11%-20% being configured to 80%-89% of C Laigang alloy base material and composite；
Step 2, melting: by the ferromanganese in step one, ferrochrome, ferrosilicon, molybdenum-iron, ferronickel, Hybrid Heating in medium-frequency induction furnace
Fusing；When liquid steel temperature reaches 1530～1550 DEG C, stopping heating, room temperature stands after 30-60min, add remaining metallic aluminium,
Ferro-boron and ferrotianium, heating, when making liquid steel temperature reach 1660～1680 DEG C, stop heating, after room temperature stands 1-2h, come out of the stove into watering
Bag；
Step 3, casting and roughing: when liquid steel temperature is down to 1450～1470 DEG C, molten steel is poured into casting mold, obtains guide wheel
Blank, guide wheel blank, after sand removal, going dead head to process, enters stove and is heated to 880～920 DEG C, and after being incubated 4～6 hours, stove is cooled to
Temperature to room temperature, then carries out roughing less than air cooling after 500 DEG C；
Step 4, heat treatment: continue the guide wheel after roughing to be heated to 1020～1050 DEG C into stove, after being incubated 2～4 hours,
Carry out machine finishing；Quenching cooling 40～60 minutes in the oil quenching bath that temperature is 100～150 DEG C, subsequently 200～
220 DEG C of tempering are incubated 8～10 hours, and air cooling of coming out of the stove is to room temperature；
Step 5, Nitrizing Treatment: the guide pulley surface after step 4 being processed carries out nitriding, is carried out continuously 2-3 time, each nitriding temperature
Degree reduces by 5 DEG C.
A kind of guide wheel preparation method based on Laigang alloy the most according to claim 1, it is characterised in that described step 3
Middle casting technique uses vertical pouring.
A kind of guide wheel preparation method based on Laigang alloy the most according to claim 1, it is characterised in that described ferrotianium
Chemical composition mass fraction is: Ti:38～42%, Al:3～6%, Si:2.0～4.5%, Mn:0.5～1.5%, C :≤
0.1%, P :≤0.1%, S :≤0.06%, surplus is Fe.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487102A (en) * | 2009-02-13 | 2009-07-22 | 深圳大学 | Non-molybdenum non-nickel middle chrome wear resistant steel casting and heat treatment method thereof |
| CN102766745A (en) * | 2012-07-05 | 2012-11-07 | 无锡市钻通工程机械有限公司 | Heat treatment method for high-speed steel for rollers |
| CN103774058A (en) * | 2014-02-26 | 2014-05-07 | 江苏久联冶金机械制造有限公司 | Manufacturing method of guide wheel for high-precision KOCKS guide and guard assembly |
| CN103882342A (en) * | 2014-04-10 | 2014-06-25 | 江苏新亚特钢锻造有限公司 | Boron-containing abrasion-resistant material for roller remanufacturing and preparation technique thereof |
| CN104878296A (en) * | 2015-06-12 | 2015-09-02 | 合肥东方节能科技股份有限公司 | High vanadium anti-wear alloy material for rolling mill guide roller and rolling mill guide roller heat treatment method |
| CN105127201A (en) * | 2015-08-28 | 2015-12-09 | 唐山钢铁集团有限责任公司 | Indefinite chilled double-poured cast iron (ICDP) roller containing V and production technique thereof |
-
2016
- 2016-08-19 CN CN201610695731.1A patent/CN106244943B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487102A (en) * | 2009-02-13 | 2009-07-22 | 深圳大学 | Non-molybdenum non-nickel middle chrome wear resistant steel casting and heat treatment method thereof |
| CN102766745A (en) * | 2012-07-05 | 2012-11-07 | 无锡市钻通工程机械有限公司 | Heat treatment method for high-speed steel for rollers |
| CN103774058A (en) * | 2014-02-26 | 2014-05-07 | 江苏久联冶金机械制造有限公司 | Manufacturing method of guide wheel for high-precision KOCKS guide and guard assembly |
| CN103882342A (en) * | 2014-04-10 | 2014-06-25 | 江苏新亚特钢锻造有限公司 | Boron-containing abrasion-resistant material for roller remanufacturing and preparation technique thereof |
| CN104878296A (en) * | 2015-06-12 | 2015-09-02 | 合肥东方节能科技股份有限公司 | High vanadium anti-wear alloy material for rolling mill guide roller and rolling mill guide roller heat treatment method |
| CN105127201A (en) * | 2015-08-28 | 2015-12-09 | 唐山钢铁集团有限责任公司 | Indefinite chilled double-poured cast iron (ICDP) roller containing V and production technique thereof |
Non-Patent Citations (1)
| Title |
|---|
| 林约利: "《热处理工操作技术》", 31 January 2013, 上海科学技术文献出版社 * |
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