CN102615106A - Boron-contained centrifugal composite high-speed steel roller and manufacturing method thereof - Google Patents
Boron-contained centrifugal composite high-speed steel roller and manufacturing method thereof Download PDFInfo
- Publication number
- CN102615106A CN102615106A CN2012100967646A CN201210096764A CN102615106A CN 102615106 A CN102615106 A CN 102615106A CN 2012100967646 A CN2012100967646 A CN 2012100967646A CN 201210096764 A CN201210096764 A CN 201210096764A CN 102615106 A CN102615106 A CN 102615106A
- Authority
- CN
- China
- Prior art keywords
- speed steel
- roll
- roller
- boracic
- steel roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention discloses a boron-contained centrifugal composite high-speed steel roller, which comprises an outer layer of the high-speed steel roller, a middle layer of the high-speed steel roller and a core of the high-speed steel roller. The manufacturing method includes steps of smelting, interrupted front treatment, roller pouring, annealing, rough machining, double tempering, finish machining and testing. By the method, three-layer composite roller technology is adopted in the boron-contained centrifugal composite high-speed steel roller, composite ability of the outer layer of the high-speed steel roller and the core of the high-speed steel roller is increased, the roller is less prone to spalling, high in rigidity and accident resistant ability, fine in abrasion resistance, safe in use, low in energy consumption and short in cycle in heat treatment, oxidation and decarburization of the roller and roller breakage in use are avoided. The manufacturing method is simple and hot quenching process is omitted.
Description
Technical field
The present invention relates to the composite roller for rolling steel technical field, centrifugal composite high-speed steel roller of particularly a kind of boracic and preparation method.
Background technology
Along with developing rapidly of metallurgical industry, the present stocking annual production of China accounts for about 50% of world's stocking total amount near 6.7 hundred million tons, is advanced rolling techniques such as zerolling and continuous rolling without a head and modern rolling technique generally adopts.Roll is the critical component of lot of consumption during steel rolling is produced; Therefore each item performance of breaker roll with proposed service life with high requirement, composite high-speed steel roller reaches good result of use well with its hardness height, wearability and is generally adopted by vast steel rolling circle and praise highly.
High-speed steel roll is neoteric in recent years a kind of new roller, and its sphere of action is not only applicable to the cold and hot working roll that rolls of strip-mill strip, but also is applicable to the working roll of various wire and bar mills, has the prospect of using widely.But in existing production technology, what skin of the roll adopted is high-speed steel; And the core of the roll employing is spheroidal graphite cast-iron; Although this kind compound high speed steel roll is well used in steel rolling production at present,, make roll in production and use, all have certain deficiency because core of the roll spheroidal graphite cast-iron intensity is lower; Skin of the roll and core of the roll compound ability are not strong, peel off easily during steel rolling.
Summary of the invention
To above-mentioned defective, the object of the present invention is to provide the centrifugal composite high-speed steel roller of a kind of boracic, increased the compound ability of high-speed steel roll skin and high-speed steel roll core, incrust during steel rolling, hardness intensity is high, the good and anti-accident ability of wearability is strong.
In order to address the above problem; Technical scheme of the present invention is; Provide a kind of boracic centrifugal composite high-speed steel roller; Comprise high-speed steel roll skin, high-speed steel roll intermediate layer and high-speed steel roll core, the outer field chemical component weight percentage of described high-speed steel roll is: C:0.8-0.9%, Si:1.0-1.2%, Mn:0.9-1.2%, P: S≤0.03% :≤0.03%, Ni:0.9-1.0%, Cr:5-6%, Mo:1.4-1.5%, B:1.9-2.2%, V:1.4-1.6%, W:2-3%, Nb:0.4-0.5% and rare earth; The chemical component weight percentage in described high-speed steel roll intermediate layer is: C:1.7-1.8%, Si:1.4-1.6%, Mn:0.9-1.0%, P: S≤0.03% :≤0.03%, Ni:0.8-1.2%, Cr:1.3-1.5% and Mo:0.3-0.5%; The chemical component weight percentage of described high-speed steel roll core is: C:3.1-3.3%, Si:1.8-2.0%, Mn:0.6-0.7%, P: S≤0.1%: Ni≤0.03% :≤0.3%, Cr:0.2-0.3%, Mo:0.2-0.3% and Mg:0.05-0.08%.
In preferred embodiment of the present invention, described high-speed steel roll skin is a boracic high-speed steel, and the high-speed steel roll intermediate layer is a graphitic steel, and the high-speed steel roll core is a nodular cast iron.
In preferred embodiment of the present invention, the content of the outer middle rare earth of described high-speed steel roll is 0.4%.
In preferred embodiment of the present invention, described high-speed steel roll intermediate layer also adds the inovulant of 0.1%CaSiMn and 0.5% yttrium-base heavy rare earth.
In preferred embodiment of the present invention, described high-speed steel roll skin and the metallographic structure of high-speed steel roll intermediate layer are austenite+martensite.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: the preparation method of the centrifugal composite high-speed steel roller of a kind of boracic is provided, has may further comprise the steps:
A, melting: with steel scrap, the pig iron or carburant, flatiron, ferrotungsten, molybdenum-iron and nickel plate; The Hybrid Heating fusing, the molten clear back of molten steel adds ferromanganese and ferrosilicon pre-deoxidation, and temperature is risen to 1500-1540 ℃; Add vanadium iron, ferro-boron, ferro-niobium and intensification successively; When liquid steel temperature reaches 1550-1580 ℃, add aluminium deoxidation, then come out of the stove;
Handle b, stokehold: yttrium-base heavy rare earth after 180-220 ℃ of oven dry, is placed ladle bottom, with pouring method in the bag molten steel is carried out the rotten processing of rare earth, obtain boracic high-speed steel liquid, be used to pour into a mould skin of the roll after skimming;
The cast of c, roll: adopt coated sand as cast coating, outer pouring molten steel temperature is 1560 ± 10 ℃, spreads glass slag 2.5kg, when outer liquid steel temperature cast intermediate layer molten steel during at 1230 ℃, spreads glass slag 1.5kg again; When intermediate layer molten steel solidification temperature is shut down mould assembling cast core molten iron during at 1180 ℃;
D, annealing: add heat preserving agent and be incubated the air cooling of unpacking behind the 8-12h;
E, roughing: carry out Surface Machining and handle, reserve allowance 2-3mm;
F, double tempering: place the heating furnace that is lower than 200 ℃ to be incubated 1-3h; Be heated to 510-560 ℃ with the programming rate of 15-25 ℃/h then and be incubated processing; The insulation air cooling of coming out of the stove behind the 5h is as cold as 250 ℃, and the heating furnace that places temperature to be lower than 300 ℃ again on roll again is incubated 1-2h; Be heated to 480-510 ℃ with the programming rate of 25-40 ℃/h then and be incubated 6h, air cooling was to room temperature after stove was chilled to temperature and is lower than 180 ℃ then;
G, fine finishining: the size of fine finishining roll;
H, check: carry out conventional check.
In preferred embodiment of the present invention, in the treatment step of said stokehold yttrium-base heavy rare earth is crushed to the fritter that granularity is 8-20mm.
In preferred embodiment of the present invention, the glass slag is NB type or YK-107 type glass slag in the described roll cast step.
In preferred embodiment of the present invention, the monolateral thickness of coated sand is 2-3mm in the described roll cast step, and coated sand weight is 4kg.
The centrifugal composite high-speed steel roller of boracic of the present invention; Three layers of composite roll technology have been adopted; Comprise high-speed steel roll skin, high-speed steel roll intermediate layer and high-speed steel roll core; Increased the compound ability of high-speed steel roll skin and high-speed steel roll core, incrust, hardness intensity is high, good, the anti-accident ability of wearability is strong.
Description of drawings
Fig. 1 is the flow chart of preparation method's one preferred embodiment of the centrifugal composite high-speed steel roller of boracic of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
The centrifugal composite high-speed steel roller of a kind of boracic provided by the invention comprises high-speed steel roll skin, high-speed steel roll intermediate layer and high-speed steel roll core.The outer field chemical component weight percentage of high-speed steel roll among the present invention is: C:0.8-0.9%, Si:1.0-1.2%, Mn:0.9-1.2%, P: S≤0.03% :≤0.03%, Ni:0.9-1.0%, Cr:5-6%, Mo:1.4-1.5%, B:1.9-2.2%, V:1.4-1.6%, W:2-3%, Nb:0.4-0.5% and rare earth; The chemical component weight percentage in described high-speed steel roll intermediate layer is: C:1.7-1.8%, Si:1.4-1.6%, Mn:0.9-1.0%, P: S≤0.03% :≤0.03%, Ni:0.8-1.2%, Cr:1.3-1.5% and Mo:0.3-0.5%; The chemical component weight percentage of described high-speed steel roll core is: C:3.1-3.3%, Si:1.8-2.0%, Mn:0.6-0.7%, P: S≤0.1%: Ni≤0.03% :≤0.3%, Cr:0.2-0.3%, Mo:0.2-0.3% and Mg:0.05-0.08%.
In above-mentioned, the content of the outer middle rare earth of high-speed steel roll is 0.4%.The high-speed steel roll intermediate layer also adds the inovulant of 0.1%CaSiMn and 0.5% yttrium-base heavy rare earth.
High-speed steel roll skin among the present invention is a boracic high-speed steel, and the high-speed steel roll intermediate layer is a graphitic steel, and the high-speed steel roll core is a nodular cast iron.High-speed steel roll hardness outer and the high-speed steel roll intermediate layer is HRC56-62, high-speed steel roll core HSD38-45.High-speed steel roll skin and the metallographic structure of high-speed steel roll intermediate layer are austenite+martensite.
As shown in Figure 1, be the flow chart of preparation method's one preferred embodiment of the centrifugal composite high-speed steel roller of boracic of the present invention.The preparation method of the centrifugal composite high-speed steel roller of this boracic may further comprise the steps:
A, melting: with steel scrap, the pig iron or carburant, flatiron, ferrotungsten, molybdenum-iron and nickel plate; The Hybrid Heating fusing, the molten clear back of molten steel adds ferromanganese and ferrosilicon pre-deoxidation, and temperature is risen to 1500-1540 ℃; Add vanadium iron, ferro-boron, ferro-niobium and intensification successively; When liquid steel temperature reaches 1550-1580 ℃, add aluminium deoxidation, then come out of the stove;
Handle b, stokehold: yttrium-base heavy rare earth after 180-220 ℃ of oven dry, is placed ladle bottom, with pouring method in the bag molten steel is carried out the rotten processing of rare earth, obtain boracic high-speed steel liquid, be used to pour into a mould skin of the roll after skimming;
The cast of c, roll: adopt coated sand as cast coating, outer pouring molten steel temperature is 1560 ± 10 ℃, spreads glass slag 2.5kg, when outer liquid steel temperature cast intermediate layer molten steel during at 1230 ℃, spreads glass slag 1.5kg again; When intermediate layer molten steel solidification temperature is shut down mould assembling cast core molten iron during at 1180 ℃;
D, annealing: add heat preserving agent and be incubated the air cooling of unpacking behind the 8-12h;
E, roughing: carry out Surface Machining and handle, reserve allowance 2-3mm;
F, double tempering: place the heating furnace that is lower than 200 ℃ to be incubated 1-3h; Be heated to 510-560 ℃ with the programming rate of 15-25 ℃/h then and be incubated processing; The insulation air cooling of coming out of the stove behind the 5h is as cold as 250 ℃, and the heating furnace that places temperature to be lower than 300 ℃ again on roll again is incubated 1-2h; Be heated to 480-510 ℃ with the programming rate of 25-40 ℃/h then and be incubated 6h, air cooling was to room temperature after stove was chilled to temperature and is lower than 180 ℃ then;
G, fine finishining: the size of fine finishining roll;
H, check: carry out conventional check.
In above-mentioned, in the treatment step of stokehold yttrium-base heavy rare earth is crushed to the fritter that granularity is 8-20mm, adopts yttrium-base heavy rare earth to carry out the stokehold and handle, material structure is fine and closely woven, has realized that cocrystalization compound online disperse shape distributes, and has reduced structural stress.
In above-mentioned, the glass slag is NB type or YK-107 type glass slag in the roll cast step; The monolateral thickness of coated sand is 2-3mm, and coated sand weight is 4kg.The present invention adopts coated sand as mold wash, has to hang to be coated with conveniently, and the demoulding is easy, and clean-up intensity is low, once hangs to be coated with, and does not need the post bake oven dry, efficient, low energy and the characteristics of mixing bag.
Among the present invention the Technology for Heating Processing of the centrifugal composite high-speed steel roller of conventional boracic is improved, added tempering by the quenching of routine and handle and change double tempering into and blow, cancelled the quench hot of roll, the one, can energy savings; The 2nd, the oxidation and the decarburization on surface in the time of can eliminating heat; The 3rd, high-speed steel roll core intensity descends in the time of can eliminating the roll heat.In order to cancel the quench hot of the centrifugal composite high-speed steel roller of boracic, in the cast iron roll in as-cast tissue pearlite should not appear, and the as cast condition matrix is that austenite and martensite are main.
The centrifugal composite high-speed steel roller of boracic of the present invention; Three layers of composite roll technology have been adopted; Comprise high-speed steel roll skin, high-speed steel roll intermediate layer and high-speed steel roll core; Increased the compound ability of high-speed steel roll skin and high-speed steel roll core, incrust, hardness intensity is high, good, the anti-accident ability of wearability is strong.The preparation method of the centrifugal composite high-speed steel roller of this boracic has saved quench hot technology, and roll heat treatment energy consumption is low, the cycle short, and roll oxidation and decarburization can not occur, and high-speed steel roll core intensity and as cast condition can not descend; Produce the centrifugal composite high-speed steel roller of boracic and have the effect of good use, reach 2-3 times of high Minvar roll service life, and roll is safe in utilization, no roll breakage phenomenon occurs in the use.
The above; Be merely the specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the present invention disclosed, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (9)
1. centrifugal composite high-speed steel roller of boracic; Comprise high-speed steel roll skin, high-speed steel roll intermediate layer and high-speed steel roll core; It is characterized in that the outer field chemical component weight percentage of described high-speed steel roll is: C:0.8-0.9%, Si:1.0-1.2%, Mn:0.9-1.2%, P: S≤0.03% :≤0.03%, Ni:0.9-1.0%, Cr:5-6%, Mo:1.4-1.5%, B:1.9-2.2%, V:1.4-1.6%, W:2-3%, Nb:0.4-0.5% and rare earth; The chemical component weight percentage in described high-speed steel roll intermediate layer is: C:1.7-1.8%, Si:1.4-1.6%, Mn:0.9-1.0%, P: S≤0.03% :≤0.03%, Ni:0.8-1.2%, Cr:1.3-1.5% and Mo:0.3-0.5%; The chemical component weight percentage of described high-speed steel roll core is: C:3.1-3.3%, Si:1.8-2.0%, Mn:0.6-0.7%, P: S≤0.1%: Ni≤0.03% :≤0.3%, Cr:0.2-0.3%, Mo:0.2-0.3% and Mg:0.05-0.08%.
2. the centrifugal composite high-speed steel roller of boracic according to claim 1 is characterized in that, described high-speed steel roll skin is a boracic high-speed steel, and the high-speed steel roll intermediate layer is a graphitic steel, and the high-speed steel roll core is a nodular cast iron.
3. the centrifugal composite high-speed steel roller of boracic according to claim 1 is characterized in that, the content of the outer middle rare earth of described high-speed steel roll is 0.4%.
4. the centrifugal composite high-speed steel roller of boracic according to claim 1 is characterized in that described high-speed steel roll intermediate layer also adds the inovulant of 0.1%CaSiMn and 0.5% yttrium-base heavy rare earth.
5. the centrifugal composite high-speed steel roller of boracic according to claim 1 is characterized in that, described high-speed steel roll skin and the metallographic structure of high-speed steel roll intermediate layer are austenite+martensite.
6. the preparation method of the centrifugal composite high-speed steel roller of boracic according to claim 1 is characterized in that, may further comprise the steps:
A, melting: with steel scrap, the pig iron or carburant, flatiron, ferrotungsten, molybdenum-iron and nickel plate; The Hybrid Heating fusing, the molten clear back of molten steel adds ferromanganese and ferrosilicon pre-deoxidation, and temperature is risen to 1500-1540 ℃; Add vanadium iron, ferro-boron, ferro-niobium and intensification successively; When liquid steel temperature reaches 1550-1580 ℃, add aluminium deoxidation, then come out of the stove;
Handle b, stokehold: yttrium-base heavy rare earth after 180-220 ℃ of oven dry, is placed ladle bottom, with pouring method in the bag molten steel is carried out the rotten processing of rare earth, obtain boracic high-speed steel liquid, be used to pour into a mould skin of the roll after skimming;
The cast of c, roll: with the boracic high-speed steel liquid castable in the centrifuge casting mold; Adopt coated sand as mold wash, outer pouring molten steel temperature is 1560 ± 10 ℃, spreads glass slag 2.5kg; When outer liquid steel temperature at 1230 ℃ time cast intermediate layer molten steel, spread glass slag 1.5kg again; When intermediate layer molten steel solidification temperature is shut down mould assembling cast core molten iron during at 1180 ℃;
D, annealing: add heat preserving agent and be incubated the air cooling of unpacking behind the 8-12h;
E, roughing: carry out Surface Machining and handle, reserve allowance 2-3mm;
F, double tempering: place the heating furnace that is lower than 200 ℃ to be incubated 1-3h; Be heated to 510-560 ℃ with the programming rate of 15-25 ℃/h then and be incubated processing; The insulation air cooling of coming out of the stove behind the 5h is as cold as 250 ℃, and the heating furnace that places temperature to be lower than 300 ℃ again on roll again is incubated 1-2h; Be heated to 480-510 ℃ with the programming rate of 25-40 ℃/h then and be incubated 6h, air cooling was to room temperature after stove was chilled to temperature and is lower than 180 ℃ then;
G, fine finishining: the size of fine finishining roll;
H, check: carry out conventional check.
7. the centrifugal composite high-speed steel roller of boracic according to claim 6 is characterized in that, in the treatment step of said stokehold yttrium-base heavy rare earth is crushed to the fritter that granularity is 8-20mm.
8. the centrifugal composite high-speed steel roller of boracic according to claim 6 is characterized in that, the glass slag is NB type or YK-107 type glass slag in the described roll cast step.
9. the centrifugal composite high-speed steel roller of boracic according to claim 6 is characterized in that, the monolateral thickness of coated sand is 2-3mm in the described roll cast step, and coated sand weight is 4kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210096764.6A CN102615106B (en) | 2012-04-05 | 2012-04-05 | Boron-contained centrifugal composite high-speed steel roller and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210096764.6A CN102615106B (en) | 2012-04-05 | 2012-04-05 | Boron-contained centrifugal composite high-speed steel roller and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102615106A true CN102615106A (en) | 2012-08-01 |
| CN102615106B CN102615106B (en) | 2014-07-23 |
Family
ID=46555509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210096764.6A Expired - Fee Related CN102615106B (en) | 2012-04-05 | 2012-04-05 | Boron-contained centrifugal composite high-speed steel roller and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102615106B (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962423A (en) * | 2012-11-28 | 2013-03-13 | 江苏共昌轧辊股份有限公司 | Centrifugal high-carbon, high-boron and high-speed steel composite roller shell and fabrication method of combined roller of composite roller shell |
| CN103060710A (en) * | 2013-02-03 | 2013-04-24 | 张关池 | Rustproof and heat-resistant cast stainless steel pipe |
| CN103272669A (en) * | 2013-06-06 | 2013-09-04 | 江西铜业股份有限公司 | Ball mill liner plate and casting process thereof |
| CN103276282A (en) * | 2013-06-28 | 2013-09-04 | 刘美福 | Fabrication method of anti-corrosive and wear-resistant pipeline for delivering minerals |
| CN103276281A (en) * | 2013-06-18 | 2013-09-04 | 张康 | Preparation method for wear resistant metal pipeline with internal anticorrosive coating |
| CN103290306A (en) * | 2013-06-18 | 2013-09-11 | 张延� | Wear, corrosion and rust resistant metal pipeline |
| CN103341595A (en) * | 2013-07-01 | 2013-10-09 | 广西大学 | Long-acting alterative of high ferro-boron abrasion-resistant alloy and preparation process and use method thereof |
| CN104120341A (en) * | 2014-08-12 | 2014-10-29 | 江苏润孚机械轧辊制造有限公司 | Cr5 steel forging work roll for rolling extremely thin materials and preparation method thereof |
| CN104120342A (en) * | 2014-08-12 | 2014-10-29 | 江苏润孚机械轧辊制造有限公司 | Roll and preparation method thereof |
| CN104308112A (en) * | 2014-09-24 | 2015-01-28 | 江苏共昌轧辊股份有限公司 | Preparation method of reinforced D2 steel centrifugal composite rod wire finishing roll |
| CN104388812A (en) * | 2014-10-29 | 2015-03-04 | 唐山钢铁集团有限责任公司 | High-speed steel composite roller for rods/wires and preparation method of high-speed steel composite roller |
| CN104480396A (en) * | 2014-12-31 | 2015-04-01 | 芜湖金龙模具锻造有限责任公司 | Preparation method of wear-resisting superhard high-speed steel |
| CN105121044A (en) * | 2013-05-02 | 2015-12-02 | 日立金属株式会社 | Hot-rolling composite roll produced by cetrifugal casting |
| CN104308112B (en) * | 2014-09-24 | 2017-01-04 | 江苏共昌轧辊股份有限公司 | A kind of preparation method of enhancement mode D2 steel centrifugal compound Bar Wire Product planishing roll |
| CN106398331A (en) * | 2016-08-31 | 2017-02-15 | 中钢集团邢台机械轧辊有限公司 | Centrifugal compound high-speed steel roller end surface thermal treatment coating, and preparation method and application method thereof |
| CN107716901A (en) * | 2017-08-23 | 2018-02-23 | 宁波市恒源铸造有限公司 | Wearable ductile iron composite roll and its casting method |
| CN108754306A (en) * | 2018-05-24 | 2018-11-06 | 江苏大学 | A kind of high-intensity and high-tenacity antifriction alloy and preparation method thereof |
| CN110290881A (en) * | 2017-02-08 | 2019-09-27 | 日立金属株式会社 | Rolling composite roll and its manufacturing method |
| CN111922321A (en) * | 2020-10-14 | 2020-11-13 | 常州凯达重工科技有限公司 | High-chromium cast iron roller and manufacturing method of bottom pouring type high-chromium cast iron roller |
| CN111957925A (en) * | 2020-07-24 | 2020-11-20 | 枣庄光研工业科技有限公司 | Wear-resistant roller for rolling stainless steel and preparation method thereof |
| CN112008056B (en) * | 2020-10-28 | 2021-03-23 | 常州凯达重工科技有限公司 | High-speed steel roll and casting method thereof |
| CN115896636A (en) * | 2022-12-22 | 2023-04-04 | 石家庄石特轧辊有限公司 | Preparation method of high-hardness roller |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000160277A (en) * | 2000-01-01 | 2000-06-13 | Kubota Corp | Composite roll |
| JP2000178675A (en) * | 2000-01-01 | 2000-06-27 | Kubota Corp | Composite roll |
| JP2001279367A (en) * | 2000-03-29 | 2001-10-10 | Nippon Steel Corp | Roll for hot rolling made by centrifugal casting |
| JP3268238B2 (en) * | 1997-07-24 | 2002-03-25 | 株式会社クボタ | Graphite crystallized high-speed cast iron material with excellent skin roughness resistance |
| CN1861827A (en) * | 2006-05-28 | 2006-11-15 | 江苏共昌轧辊有限公司 | Half high speed steel composite roller and preparation process thereof |
| CN102266929A (en) * | 2010-06-01 | 2011-12-07 | 鞍钢重型机械有限责任公司 | Method for compositely and centrifugally pouring high speed steel roll |
| CN102274856A (en) * | 2011-08-05 | 2011-12-14 | 海城中兴重型机械有限公司 | Centrifugal composite high-speed steel roll and pouring method thereof |
-
2012
- 2012-04-05 CN CN201210096764.6A patent/CN102615106B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3268238B2 (en) * | 1997-07-24 | 2002-03-25 | 株式会社クボタ | Graphite crystallized high-speed cast iron material with excellent skin roughness resistance |
| JP2000160277A (en) * | 2000-01-01 | 2000-06-13 | Kubota Corp | Composite roll |
| JP2000178675A (en) * | 2000-01-01 | 2000-06-27 | Kubota Corp | Composite roll |
| JP2001279367A (en) * | 2000-03-29 | 2001-10-10 | Nippon Steel Corp | Roll for hot rolling made by centrifugal casting |
| CN1861827A (en) * | 2006-05-28 | 2006-11-15 | 江苏共昌轧辊有限公司 | Half high speed steel composite roller and preparation process thereof |
| CN102266929A (en) * | 2010-06-01 | 2011-12-07 | 鞍钢重型机械有限责任公司 | Method for compositely and centrifugally pouring high speed steel roll |
| CN102274856A (en) * | 2011-08-05 | 2011-12-14 | 海城中兴重型机械有限公司 | Centrifugal composite high-speed steel roll and pouring method thereof |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962423A (en) * | 2012-11-28 | 2013-03-13 | 江苏共昌轧辊股份有限公司 | Centrifugal high-carbon, high-boron and high-speed steel composite roller shell and fabrication method of combined roller of composite roller shell |
| CN103060710A (en) * | 2013-02-03 | 2013-04-24 | 张关池 | Rustproof and heat-resistant cast stainless steel pipe |
| CN105121044A (en) * | 2013-05-02 | 2015-12-02 | 日立金属株式会社 | Hot-rolling composite roll produced by cetrifugal casting |
| CN105121044B (en) * | 2013-05-02 | 2017-03-08 | 日立金属株式会社 | Centrifugal casting hot rolling composite roll |
| US9358758B2 (en) | 2013-05-02 | 2016-06-07 | Hitachi Metals, Ltd. | Centrifugally cast hot-rolling composite roll |
| CN103272669A (en) * | 2013-06-06 | 2013-09-04 | 江西铜业股份有限公司 | Ball mill liner plate and casting process thereof |
| CN103276281B (en) * | 2013-06-18 | 2015-05-20 | 江苏中纤管道设备有限公司 | Preparation method for wear resistant metal pipeline with internal anticorrosive coating |
| CN103276281A (en) * | 2013-06-18 | 2013-09-04 | 张康 | Preparation method for wear resistant metal pipeline with internal anticorrosive coating |
| CN103290306A (en) * | 2013-06-18 | 2013-09-11 | 张延� | Wear, corrosion and rust resistant metal pipeline |
| CN103290306B (en) * | 2013-06-18 | 2015-04-15 | 兴安宸亿工贸有限公司 | Wear, corrosion and rust resistant metal pipeline |
| CN103276282A (en) * | 2013-06-28 | 2013-09-04 | 刘美福 | Fabrication method of anti-corrosive and wear-resistant pipeline for delivering minerals |
| CN103276282B (en) * | 2013-06-28 | 2015-05-27 | 江苏金晟元特种阀门股份有限公司 | Fabrication method of anti-corrosive and wear-resistant pipeline for delivering minerals |
| CN103341595A (en) * | 2013-07-01 | 2013-10-09 | 广西大学 | Long-acting alterative of high ferro-boron abrasion-resistant alloy and preparation process and use method thereof |
| CN104120341A (en) * | 2014-08-12 | 2014-10-29 | 江苏润孚机械轧辊制造有限公司 | Cr5 steel forging work roll for rolling extremely thin materials and preparation method thereof |
| CN104120342A (en) * | 2014-08-12 | 2014-10-29 | 江苏润孚机械轧辊制造有限公司 | Roll and preparation method thereof |
| CN104308112A (en) * | 2014-09-24 | 2015-01-28 | 江苏共昌轧辊股份有限公司 | Preparation method of reinforced D2 steel centrifugal composite rod wire finishing roll |
| CN104308112B (en) * | 2014-09-24 | 2017-01-04 | 江苏共昌轧辊股份有限公司 | A kind of preparation method of enhancement mode D2 steel centrifugal compound Bar Wire Product planishing roll |
| CN104388812A (en) * | 2014-10-29 | 2015-03-04 | 唐山钢铁集团有限责任公司 | High-speed steel composite roller for rods/wires and preparation method of high-speed steel composite roller |
| CN104388812B (en) * | 2014-10-29 | 2017-02-01 | 唐山钢铁集团有限责任公司 | High-speed steel composite roller for rods/wires and preparation method of high-speed steel composite roller |
| CN104480396A (en) * | 2014-12-31 | 2015-04-01 | 芜湖金龙模具锻造有限责任公司 | Preparation method of wear-resisting superhard high-speed steel |
| CN106398331B (en) * | 2016-08-31 | 2019-12-03 | 中钢集团邢台机械轧辊有限公司 | A kind of centrifugal compound high-speed steel roll end face is heat-treated coating and preparation method thereof and application method |
| CN106398331A (en) * | 2016-08-31 | 2017-02-15 | 中钢集团邢台机械轧辊有限公司 | Centrifugal compound high-speed steel roller end surface thermal treatment coating, and preparation method and application method thereof |
| CN110290881A (en) * | 2017-02-08 | 2019-09-27 | 日立金属株式会社 | Rolling composite roll and its manufacturing method |
| CN107716901A (en) * | 2017-08-23 | 2018-02-23 | 宁波市恒源铸造有限公司 | Wearable ductile iron composite roll and its casting method |
| CN108754306A (en) * | 2018-05-24 | 2018-11-06 | 江苏大学 | A kind of high-intensity and high-tenacity antifriction alloy and preparation method thereof |
| CN108754306B (en) * | 2018-05-24 | 2020-06-09 | 江苏大学 | High-strength high-toughness wear-resistant alloy and preparation method thereof |
| CN111957925A (en) * | 2020-07-24 | 2020-11-20 | 枣庄光研工业科技有限公司 | Wear-resistant roller for rolling stainless steel and preparation method thereof |
| CN111957925B (en) * | 2020-07-24 | 2021-10-29 | 枣庄光研工业科技有限公司 | Wear-resistant roller for rolling stainless steel and preparation method thereof |
| CN111922321A (en) * | 2020-10-14 | 2020-11-13 | 常州凯达重工科技有限公司 | High-chromium cast iron roller and manufacturing method of bottom pouring type high-chromium cast iron roller |
| CN112008056B (en) * | 2020-10-28 | 2021-03-23 | 常州凯达重工科技有限公司 | High-speed steel roll and casting method thereof |
| CN115896636A (en) * | 2022-12-22 | 2023-04-04 | 石家庄石特轧辊有限公司 | Preparation method of high-hardness roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102615106B (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102615106B (en) | Boron-contained centrifugal composite high-speed steel roller and manufacturing method thereof | |
| CN105618715B (en) | A kind of wear-resistant high speed steel composite roll and preparation method thereof | |
| CN103624084B (en) | Resource-saving type high-boron high-speed steel composite roll and manufacturing method thereof | |
| CN100369681C (en) | Compound high speed steel roll and its making process | |
| CN100485075C (en) | High-carbon high-vanadium high-speed steel composite roller and heat treatment method thereof | |
| CN102962423B (en) | Centrifugal high-carbon, high-boron and high-speed steel composite roller shell and fabrication method of combined roller of composite roller shell | |
| CN102864372B (en) | Wear-resisting rolling mill guide and guard and manufacture method thereof | |
| CN102994692B (en) | Smelting process of high-boron high-speed steel roller material | |
| CN104388812B (en) | High-speed steel composite roller for rods/wires and preparation method of high-speed steel composite roller | |
| CN102107215B (en) | Resource-saving boron-containing high-speed steel composite roll and preparation method thereof | |
| CN100404152C (en) | High speed steel composite roll and its preparing method | |
| CN100574910C (en) | Centrifugal casting half steel/steel/graphite steel composite roll collar and preparation method thereof | |
| CN103526125B (en) | A kind of semisteel roll and manufacture method thereof | |
| CN105568136B (en) | Middle plate high chromium steel roller and its manufacture method | |
| CN102615108A (en) | Centrifugal casting high-speed steel composite roll and manufacture method thereof | |
| CN110000362B (en) | High-tungsten-vanadium high-speed steel wear-resistant roller and manufacturing method thereof | |
| CN106756617B (en) | A kind of high rigidity graphitic steel shaped roll and preparation method thereof | |
| CN105177447A (en) | Centrifugal cast Cr12MoV shape steel straightening roll and production technology thereof | |
| CN103526126A (en) | Tool steel roller for rolling medium-thickness plate and manufacturing method thereof | |
| CN104438337B (en) | A kind of abrasion-resistant roller for cold rolling of strip steel and preparation method thereof | |
| CN104384193A (en) | High speed steel finishing roll of wire bar mill and manufacturing method of high speed steel finishing roll | |
| CN102766824A (en) | Abrasion-resistant high-speed-steel roller ring and preparation method thereof | |
| CN106282771A (en) | A kind of hot rolling cogging high alloy tool steel roll and preparation method | |
| CN104018096A (en) | High-speed steel roll collar and preparation method thereof | |
| CN104878296A (en) | High vanadium anti-wear alloy material for rolling mill guide roller and rolling mill guide roller heat treatment method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20160405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |