CN102381878A - Manufacturing method of flat roller with self-texturing feature - Google Patents
Manufacturing method of flat roller with self-texturing feature Download PDFInfo
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- CN102381878A CN102381878A CN2010102680459A CN201010268045A CN102381878A CN 102381878 A CN102381878 A CN 102381878A CN 2010102680459 A CN2010102680459 A CN 2010102680459A CN 201010268045 A CN201010268045 A CN 201010268045A CN 102381878 A CN102381878 A CN 102381878A
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Abstract
The invention relates to a composite roller texturing technology, in particular to a manufacturing method of a flat roller with a self-texturing feature, which comprises six steps: selection of a self-texturing material, treatment of the self-texturing material, selection of a material for a self-texturing surface layer of the flat roller, preparation of the self-texturing layer on the surface of the flat roller, heat treatment of the self-texturing layer on the surface of the flat roller, and initial texturing of the flat roller; wherein the self-texturing material adopts stable oxide ceramic particles, and a layer of chromium is uniformly plated on the outer surface layer of the oxide ceramic particles to form a composite shell core structure of the chromium-coated ceramic particles. The texturing feature of the surface of the flat roller can be always maintained when the flat roller is used and can be automatically adjusted along with wearing of the surface layer so as to always maintain the specific surface texture requirements such as the roughness, Pc value and the like. Moreover, the flat roller has a long service life, and the unit has a high rate of effective operation.
Description
Technical field
The present invention relates to composite roll texturing technology, relate in particular to the smooth roller method of manufacture that has from the texturing characteristic.
Background technology
Cold Rolled Sheet Steel with special surface pattern has a wide range of applications at automobile and electrical appliance industry.The texturing Cold Rolled Sheet Steel is to be formed by the smooth rolling system that handle through texturing on the surface, one of which series surface appearance feature to use characteristics influences such as the deep-draw of steel plate, applications greatly, texturing cold-rolled steel sheet value added is high.
Smooth roller texturing technical basis process principle can be divided into three major types: the first, Physical Processing comprises shot-peening texturing technology; The second, fusing, vaporization processing comprise that the electrical spark texturing is technological, laser roughening is technological and electron beam texturing technology; Three, electro-chemical machining comprises Pretex texturing technology and ink-jet texturing technology.Document 2007 China Steel nd Annual Meeting collection, contrast in 2007 is summarized.
The shot-peening texturing is the most traditional roughing method; Document Wear, 1997,207:34 ~ 40; Patent CN93221264.6; CN97201491.8, US 5643054, and the impact material (being generally shot) that utilizes the centrifugal wheel of high speed rotating will have sharp edges, high firmness quickens to spray to the smooth roller (about 80 m/s of speed) of desiring texturing.Tiny metal particle under smooth roller surface " cutting ".The essence defective of shot-peening texturing (SBT) technology is that its texturing process and result are at random and uneven, uncontrollable and difficult existing.2002 the 5th phases of document manufacturing technology and lathe are adopted the texturing of gas shot-peening, and have contrasted the relative merits of different methods.
Electrical spark texturing technical work principle and roughing method, document Electrical discharge texturing.Int. J. Mach. Tools Manufact, 1992; 32 (1/2): 183 ~ 193; With document J.Mater. Process. Technol, 1994,45:207 ~ 214; Patent US20020132050, US 5250364.Smooth roller and electrode are immersed in the insulating working fluid, on smooth roller and electrode, apply the pulsed voltage of certain amplitude and frequency.Pulsed voltage makes contrasted between solid dielectric ionization, puncture, forms discharge channel.In passage, positive pole and negative terminal surface become instantaneous thermal source respectively, TRANSIENT HIGH TEMPERATURE (about 20000 ℃) makes metallic substance fusing, vaporization.Just formed a series of galvanic corrosion hole on smooth roller surface.Smooth roller surface often forms white layer and hardness reduces after the electrical spark texturing, and its investment and equipment running cost are higher relatively, and working efficiency is not high, and pollution problem is arranged yet.
Laser roughening is to adopt the high energy pulse laser beam to act on smooth roller surface, makes it heating, fusing and part vaporization.Make molten pool metal to around pile up, produce simultaneously pit in the centre.But there is following weak point in the laser roughening technology, and efficient is lower, and the texturing cost is high.The pit of laser roughening cold-rolled steel sheet is arranged too neat and is had rule, after spraying paint, often can also indistinctly see the formed spiral lines of pit, has influenced the aesthetic property of the back sheet material that sprays paint.Related patent U.S. Patent No. such as CN93109710.X, CN00128273.5, CN98242107.9, CN00264774.5 all are the optimization of on the basis of laser roughening, carrying out to a certain degree.
The electron beam texturing, document Iron and Steel Engineer, 1997 (9): 36 ~ 40, patent US 3941970.For smooth roller also moves at the Vakuumkammer internal rotation vertically, back and forth pass through the fixed electron beam gun.High-power electron beam is incident upon smooth roller surface, gives off energy with the form of heat.That part of material that under sufficiently high temperature, meets with electron beam just melts and the part evaporation, forms pit.This possibly be the reliable technique of thin band continuous casting crystallization roller texturing, but the equipment of electron beam texturing is very expensive, and arts demand realizes that in a vacuum this has just limited popularization and practical application.
Be a kind of process of electrochemical deposition on the Pretex texturing technological essence.Patent US99367840, US 5789066, and JP 6315584 smooth rollers are immersed in the electrolytic solution that contains chromium, pass to direct current, and smooth roller surface forms the coating of small chromium sphere, has reached the purpose on the smooth roller of texturing surface.This texturing technology is also under test, and its working (machining) efficiency is not very high, and because electrochemical reaction takes place, is prone to cause a large amount of toxic chemical wastes, and environmental pollution is more serious.Patent US 5186981 has adopted the hot dipping dissolution method.
Ink-jet texturing technology, document 34th mWSP conf. Proc., ISS-AIME. 1993; 30:485 ~ 489; Patent US 6555223, and JP 9155403, are with combine with the electro-chemical machining smooth roller texturing technology of a kind of novelty of forming of inkjet technology.At first in computer program, configure the texturing parameter value of desiring to reach; Drive printhead photo-resist is printed on smooth roller surface; Form a series of photo-resist point on smooth roller surface like this; Utilize with printhead corrosion head arranged side by side then smooth roller is carried out galvanic corrosion, thereby form smooth roller surface texturing pattern.But its working (machining) efficiency is not high.
Comprehensive visible, chromium plating is one of the most effective texturing technology, but problem of environmental pollution is crucial at present technology bottle footpath, needs to be resolved hurrily.The texturing of present smooth roller mainly is a kind of texturing structure at surface topography; Chromium plating and surface etching technology (comprising shot-peening, electrolysis, electrical spark and laser etc.) are main texturing technology; But the life-span that all these technological ubiquitous problems are texturing layers is shorter; After texturing layer wearing and tearing with superficial makings, smooth roller must roll off the production line reconditioning and surface texturing again, the single work-ing life of greatly having limited smooth roller.
Summary of the invention
The object of the present invention is to provide a kind of smooth roller method of manufacture that has from the texturing characteristic; This method can make smooth roller in use remain the texturing characteristic on smooth roller surface; And the adaptation automatically along with the wearing and tearing of upper layer, remain superficial makings requirements such as specific roughness, Pc value; And smooth roller long service life, unit effective operation rate is high.
The present invention is achieved in that a kind of smooth roller method of manufacture that has from the texturing characteristic, comprises the following steps:
The first step is selected from the texturing material, is chosen as the stable oxide ceramic particle from the texturing material, and said oxide ceramics is α-Al
2O
3, stablize ZrO entirely
2Or both mixtures;
Second step, from the texturing material processing, evenly plate one deck chromium at outer surface layer from the texturing material, form the shell heart composite structure of the ceramic particle of chromium coating;
In the 3rd step, smooth roller is from the selection of texturing surface layer material, and material is selected separated into two parts, and the one, the selection of body material, the chemical ingredients of body material is identical with the material chemical composition of smooth roller, simultaneously body material is prepared into particulate powder; The 2nd, the selection of said ceramic oxide particle addition, the Pc value that requires with smooth roller is that add on the basis, specific requirement is:
P in the formula
CBe smooth roll surface roughness requirement, N is the spherical α-Al that coats from texturing material chromium
2O
3Or stablize ZrO entirely
2The add-on of the ceramic particle of pottery;
The add-on of said body material is 100-N, and unit is a weight percentage, then with two kinds of powder uniform mixing, forms smooth roller surface layer material mixed powder;
In the 4th step, smooth roller surface adopts elevated pressure nitrogen temperature spraying technique to carry out adhesion deposition on smooth roller surface from the preparation of texturing layer, and said temperature jeting surface from texturing layer technology of preparing scheme is:
(a) elevated pressure nitrogen gas is heated to driving more than 730 ℃;
(b) smooth roller upper layer mixed powder particle is heated to more than 650 ℃ deposits;
(c) surface is 0.5mm-2.0mm from the texturing layer thickness;
In the 5th step, smooth roller surface adopts the medium-high frequency electromagnetic induction heating technology to carry out heat treated from the thermal treatment of texturing layer, adopts high frequency that smooth roller surface is heated to 950 ℃ from the texturing layer, and insulation 20min is cooled to room temperature; Adopt intermediate frequency that smooth roller surface is heated to 550 ℃ from the texturing layer then, insulation 20min is cooled to room temperature;
In the 6th step, the first texturing of smooth roller is carried out mechanical polishing to the surface that has after the thermal treatment from the smooth roller of texturing layer, and reaching surfaceness is about 0.8; Carry out conventional texturing then and handle, obtain the effect of first texturing.
Said α-Al
2O
3With the full ZrO that stablizes
2Pottery is the sintered type ceramic of compact, and α-Al
2O
3With the full ZrO that stablizes
2Ceramic particle is spherical or subsphaeroidal structure.
Said α-Al
2O
3With the full ZrO that stablizes
2The particle size range of ceramic particle is: 4Ra≤d
Ceramic Balls≤6Ra, Ra is the roughness of smooth roller requirement in the formula, d
Ceramic BallsDiameter for spherical ceramic particles; Spherical ceramic particles is the 5Ra normal distribution with the center simultaneously, and narrow more good more.
The hair of the material from the outer surface layer thickness of the chromium plating layer 2
-6
.
Said the 3rd the step in the substrate material particle sprills be spherical powder, the maximum particle diameter of powder be 27
.
Intermediate frequency thermal treatment process triplicate in said the 5th step.
The present invention is that the surface preparation one deck at smooth roller has the upper layer from the texturing characteristic, utilize special construction and the content of upper layer internal hair formed material reach in the use from the texturing characteristic.The present invention adopts six steps to realize having the manufacturing from the smooth roller of texturing characteristic, be respectively from the texturing material select, from texturing material processing, smooth roller from the selection of texturing surface layer material, smooth roller surface from the preparation of texturing layer, smooth roller surface first texturing from thermal treatment of texturing layer and smooth roller.The present invention can make smooth roller in use remain the surperficial texturing characteristic of smooth roller, and adapts to automatically along with the wearing and tearing of upper layer, remains superficial makings requirements such as specific roughness, Pc value; And smooth roller long service life, unit effective operation rate is high.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
A kind of have from smooth roller method of manufacture of the long lifetime of texturing characteristic, comprises the following steps:
The first step is selected from the texturing material, is one of key point of the present invention's technology from the texturing material; Require not and smooth roller body material generation chemical reaction, the processing condition in the rolling technology process (for example emulsion, water coolant) are not reacted, wear resistance is strong; Stability is high, and is high temperature resistant etc.Require to be stable oxide pottery, nitride ceramics, the preferred oxides pottery is not selected stability low carbide ceramics and boride ceramics.
Saidly be preferably α-Al from the texturing material
2O
3, stablize ZrO entirely
2Or both mixtures.Said α-Al
2O
3With the full ZrO that stablizes
2Pottery be characterized as the sintered type ceramic of compact, require α-Al simultaneously
2O
3With the full ZrO that stablizes
2Pottery be characterized as spherical or subsphaeroidal structure.
Said α-Al
2O
3With the full ZrO that stablizes
2The particle size range of pottery is: 4Ra≤d
Ceramic Balls≤6Ra, Ra is the roughness of smooth roller requirement in the formula, d
Ceramic BallsDiameter for spherical ceramic particles.Requiring spherical ceramic particles simultaneously is the 5Ra normal distribution with the center, and narrow more good more.
In second step,, after the texturing material is selected, need handle it from the texturing material processing.Outer surface layer at spherical ceramic particles evenly plates one deck chromium, the thickness that requires chromium coating 2
-6
; Adopt the method for electroless plating to carry out chromium plating, form the shell heart composite structure of the spherical ceramic particles of chromium coating.
The 3rd step; Smooth roller is from the selection of texturing surface layer material; Material selects to be divided into two parts; The one, the selection of body material; The chemical ingredients of body material is identical with the material chemical composition of smooth roller; Simultaneously body material is prepared into spherical powder, the maximum particle diameter of powder be 27
, promptly particle diameter smaller or equal to 27
.The 2nd, the selection of spherical ceramic particles addition, the Pc value that requires with smooth roller is that add on the basis, specific requirement is:
P in the formula
CBe smooth roll surface roughness requirement, N is for to coat spherical α-Al from texturing material chromium
2O
3Or stablize ZrO entirely
2The add-on of the ceramic particle of pottery.The add-on of said body material is 100-N, and unit is a weight percentage, then with two kinds of powder uniform mixing, forms smooth roller surface layer material mixed powder.
The 4th step; Smooth roller surface prepares from the texturing layer; Adopt warm spraying technique on the smooth roller of roller surface preparation surface from the texturing layer, its technical scheme is: adopt elevated pressure nitrogen temperature spraying technique to carry out adhesion deposition on smooth roller surface, warm jeting surface is characterized as from texturing layer technology of preparing scheme:
(a) elevated pressure nitrogen gas is heated to driving more than 730 ℃;
(b) smooth roller upper layer mixed powder particle is heated to more than 650 ℃ deposits;
(c) surface is 0.5mm-2.0mm from the texturing layer thickness.
In the 5th step, smooth roller surface adopts the medium-high frequency electromagnetic induction heating technology to carry out heat treated from the thermal treatment of texturing layer, adopts high frequency that smooth roller surface is heated to 950 ℃ from the texturing layer, and insulation 20min is cooled to room temperature.Adopt intermediate frequency that smooth roller surface is heated to 550 ℃ from the texturing layer then, insulation 20min is cooled to room temperature, said intermediate frequency thermal treatment process triplicate.
In the 6th step, the first texturing of smooth roller is carried out mechanical polishing to the surface that has after the thermal treatment from the smooth roller of texturing layer, and reaching surfaceness is about 0.8.Carry out conventional texturing then and handle, for example EDT or laser roughening are handled, and obtain the effect of first texturing.Also can carry out the special-purpose texturing that the present invention was suitable for handles; For example adopt the method for electrolytic corrosion, the surface of smooth roller is corroded, owing in electrolytic solution, have strong solidity to corrosion from the texturing material; Therefore form superficial makings after the surface corrosion, reach the effect of first texturing.
Through the smooth roller in above processing back is exactly final product, reaches the requirement of reaching the standard grade.Can reach more than 5 times of the smooth roller of common texturing its work-ing life approximately.
Embodiment 1
Experiment uses smooth roller to be the 3Cr material, and its chemical ingredients is (mass percent %): C 0.78%, and Si 0.43%, and Mn 0.45%, and Cr 2.98%, and Mo 0.66%, and V 0.2%, and Ni 0.35%.The purpose that reaches be Ra be 4.25
, the Pc value is greater than 50/cm.In the laboratory, utilizing smooth roll material to prepare each car of φ 100 * 150 two ends carefully tests as the simulating piece of smooth roller for the small specimen of φ 25 * 25.
According to concrete steps requirement of the present invention, carry out preparation from the smooth roller of texturing:
The first step is from the texturing material chosen.Select for use pottery as from the texturing material, be the fine and close α-Al of sintered type
2O
3Pottery is spheroidal particle.Medium particle diameter be 21
; Distribution range is: 17-25.5
, normal distribution.
Second step is from the texturing material processing.The method that adopts electroless plating is at spherical α-Al
2O
3The outer surface layer of ceramic particle evenly plates one deck chromium, and the thickness of chromium layer is 2
, the shell heart composite structure of the spherical ceramic particles that formation chromium coats.
The 3rd step, the selection of smooth roller surface layer material.Select the material prepn powder of smooth roller; Powder is spherical; The maximum particle diameter of powder be 25
; Medium particle diameter be 18
, distribution range 1-25
.From texturing with spherical α-Al
2O
3The ceramic particle addition is 0.03, and unit is a weight percentage, and the add-on of said body material is 100-0.03=99.97, and unit is a weight percentage, then with two kinds of powder uniform mixing, forms smooth roller surface layer material mixed powder.
In the 4th step, smooth roller surface prepares from the texturing layer.Adopt elevated pressure nitrogen temperature spraying technique to carry out adhesion deposition on smooth roller surface: (a) elevated pressure nitrogen gas is heated to 730 ℃, and (b) the mixed powder particle is heated to 650 ℃, and (c) surface is 2.0mm from the texturing layer thickness.
In the 5th step, smooth roller surface is from the thermal treatment of texturing layer.Adopt the medium-high frequency electromagnetic induction heating technology to carry out heat treated.Adopt high frequency that smooth roller surface is heated to 950 ℃ from the texturing layer, insulation 20min is cooled to room temperature.Adopt intermediate frequency that smooth roller surface is heated to 550 ℃ from the texturing layer then, insulation 20min is cooled to room temperature, said intermediate frequency thermal treatment process triplicate.
The 6th step, the first texturing of smooth roller.Mechanical polishing is carried out from the smooth roller of texturing layer in the surface that has after the thermal treatment, and reaching surfaceness is about 0.8.Carry out conventional texturing then and handle, for example EDT or laser roughening are handled, and obtain the effect of first texturing.
Adopting surfaceness is that 0.8 40Cr steel loop is rotated mill, is φ 50 * 30 to bull ring, gets the roughness that different depths is measured simulating piece., abrasion loss still keeps 3.85 roughness when reaching 0.8mm.Reached predetermined effect.
Embodiment 2
Experiment uses smooth roller to be the 5Cr material, and its chemical ingredients is (mass percent %): C 0.87%, and Si 0.45%, and Mn 0.43%, and Cr 4.98%, and Mo 0.57%, and V 0.21%, and Ni 0.21%.The purpose that reaches be Ra be 2.5
, the Pc value is greater than 70/cm.
In the laboratory, utilizing smooth roller to prepare each car of φ 100 * 150 two ends carefully tests as the simulating piece of smooth roller for the small specimen of φ 25 * 25.
Experimental procedure is identical with embodiment 1, different parameters be chosen as: spherical α-Al
2O
3The particulate medium particle diameter is 12.5
, the thickness of chromium coating is 6
, spherical α-Al
2O
3The ceramic particle addition is 0.015, and unit is a weight percentage, and the add-on of said body material is 100-0.015=99.985, and unit is a weight percentage, and the surface is 1.0mm from the texturing layer thickness.
Test effect: when abrasion loss reaches 0.5mm, still keep 2.25 roughness.Reached predetermined effect.
Embodiment 3
Experiment uses smooth roller to be the 5Cr material, and its chemical ingredients is (mass percent %): C 0.87%, and Si 0.45%, and Mn 0.43%, and Cr 4.98%, and Mo 0.57%, and V 0.21%, and Ni 0.21%.The purpose that reaches be Ra be 3.5
, the Pc value is greater than 50/cm.
In the laboratory, utilizing smooth roller to prepare each car of φ 100 * 150 two ends carefully tests as the simulating piece of smooth roller for the small specimen of φ 25 * 25.
Experimental procedure is identical with embodiment 1, different parameters be chosen as: spherical α-Al
2O
3The particulate medium particle diameter is 17.5
, the thickness of chromium coating is 3.5
, spherical α-Al
2O
3The ceramic particle addition is 0.02, and unit is a weight percentage, and the add-on of said body material is 100-0.02=99.98, and unit is a weight percentage, and the surface is 1.5mm from the texturing layer thickness.Adopt electrolytic corrosion that the surface of smooth roller is corroded, reach the effect of first texturing.
Test effect: when abrasion loss reaches 0.5mm, still keep 3.25 roughness.Reached predetermined effect.
Embodiment 4
Experiment uses smooth roller to be the 5Cr material, and its chemical ingredients is (mass percent %): C 0.87%, and Si 0.45%, and Mn 0.43%, and Cr 4.98%, and Mo 0.57%, and V 0.21%, and Ni 0.21%.The purpose that reaches be Ra be 4.5
, the Pc value is greater than 50/cm.
In the laboratory, utilizing smooth roller to prepare each car of φ 100 * 150 two ends carefully tests as the simulating piece of smooth roller for the small specimen of φ 25 * 25.
Experimental procedure is identical with embodiment 1, different parameters be chosen as: spherical α-Al
2O
3The particulate medium particle diameter is 22.5
, the thickness of chromium coating is 4.0
, spherical α-Al
2O
3The ceramic particle addition is 0.05, and unit is a weight percentage, and the add-on of said body material is 100-0.05=99.95, and unit is a weight percentage, and the surface is 0.5mm from the texturing layer thickness.
Test effect: when abrasion loss reaches 0.3mm, still keep 4.55 roughness.Reached predetermined effect.
Embodiment 5
Experiment uses smooth roller to be the rapid steel system, and its chemical ingredients is (mass percent %): C 2.28%, and W 4.66%, and Mo 4.79%, and V 6.05%, and Cr 7.7%, and Mn 0.5%, and Si 0.8%, and Ni 0.6%, and S 0.017%, and P 0.02%.The purpose that reaches is that Ra is
, and the PC value is greater than 70/cm.
In the laboratory, utilize and scrap smooth roll sleeve and prepare of simulating piece the carrying out property check of the small specimen of φ 25 * 150 as smooth roller.
Experimental procedure is identical with embodiment 1, different parameters be chosen as: select the spherical ZrO that stablizes entirely
2Particle, medium particle diameter does
, the thickness of chromium coating does
, the spherical ZrO that stablizes entirely
2Particulate ceramic particle addition is 0.025, and unit is a weight percentage, and the add-on of said body material is 100-0.025=99.975, and unit is a weight percentage, and the surface is 0.5mm from the texturing layer thickness.
Test effect: when abrasion loss reaches 0.3mm, still keep 2.15 roughness.Reached predetermined effect.
More than being merely preferred embodiment of the present invention, is not the protection domain that is used to limit invention, therefore, all any modifications of within spirit of the present invention and principle, being done, is equal to replacement, improvement etc., all is included within protection scope of the present invention.
Claims (6)
1. a smooth roller method of manufacture that has from the texturing characteristic is characterized in that: comprise the following steps:
The first step is selected from the texturing material, is chosen as the stable oxide ceramic particle from the texturing material, and said oxide ceramics is α-Al
2O
3, stablize ZrO entirely
2Or both mixtures;
Second step, from the texturing material processing, evenly plate one deck chromium at outer surface layer from the texturing material, form the shell heart composite structure of the ceramic particle of chromium coating;
In the 3rd step, smooth roller is from the selection of texturing surface layer material, and material is selected separated into two parts, and the one, the selection of body material, the chemical ingredients of body material is identical with the material chemical composition of smooth roller, simultaneously body material is prepared into particulate powder; The 2nd, the selection of said ceramic oxide particle addition, the Pc value that requires with smooth roller is that add on the basis, specific requirement is:
P in the formula
CBe smooth roll surface roughness requirement, N is the spherical α-Al that coats from texturing material chromium
2O
3Or stablize ZrO entirely
2The add-on of the ceramic particle of pottery;
The add-on of said body material is 100-N, and unit is a weight percentage, then with two kinds of powder uniform mixing, forms smooth roller surface layer material mixed powder;
In the 4th step, smooth roller surface adopts elevated pressure nitrogen temperature spraying technique to carry out adhesion deposition on smooth roller surface from the preparation of texturing layer, and said temperature jeting surface from texturing layer technology of preparing scheme is:
(a) elevated pressure nitrogen gas is heated to driving more than 730 ℃;
(b) smooth roller upper layer mixed powder particle is heated to more than 650 ℃ deposits;
(c) surface is 0.5mm-2.0mm from the texturing layer thickness;
In the 5th step, smooth roller surface adopts the medium-high frequency electromagnetic induction heating technology to carry out heat treated from the thermal treatment of texturing layer, adopts high frequency that smooth roller surface is heated to 950 ℃ from the texturing layer, and insulation 20min is cooled to room temperature; Adopt intermediate frequency that smooth roller surface is heated to 550 ℃ from the texturing layer then, insulation 20min is cooled to room temperature;
In the 6th step, the first texturing of smooth roller is carried out mechanical polishing to the surface that has after the thermal treatment from the smooth roller of texturing layer, and reaching surfaceness is about 0.8; Carry out conventional texturing then and handle, obtain the effect of first texturing.
2. according to claim 1 have from smooth roller method of manufacture of the long lifetime of texturing characteristic, it is characterized in that: said α-Al
2O
3With the full ZrO that stablizes
2Pottery is the sintered type ceramic of compact, and α-Al
2O
3With the full ZrO that stablizes
2Ceramic particle is spherical or subsphaeroidal structure.
3. according to claim 2 have from smooth roller method of manufacture of the long lifetime of texturing characteristic, it is characterized in that: said α-Al
2O
3With the full ZrO that stablizes
2The particle size range of ceramic particle is: 4Ra≤d
Ceramic Balls≤6Ra, Ra is the roughness of smooth roller requirement in the formula, d
Ceramic BallsDiameter for spherical ceramic particles; Spherical ceramic particles is the 5Ra normal distribution with the center simultaneously, and narrow more good more.
4. according to claim 1 have from smooth roller method of manufacture of the long lifetime of texturing characteristic, it is characterized in that: said from the thickness of the outer surface layer chromium coating of texturing material 2
-6
.
5. according to claim 1 have from smooth roller method of manufacture of the long lifetime of texturing characteristic; It is characterized in that: said the 3rd the step in the substrate material particle sprills be spherical powder, the maximum particle diameter of powder be 27
.
6. according to claim 1 have from smooth roller method of manufacture of the long lifetime of texturing characteristic, it is characterized in that: the intermediate frequency thermal treatment process triplicate in said the 5th step.
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Cited By (4)
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| CN103949601A (en) * | 2014-04-30 | 2014-07-30 | 宝山钢铁股份有限公司 | Preparation method for thin-strip casting crystallization roller surface appearance |
| CN104002203A (en) * | 2014-05-30 | 2014-08-27 | 宝山钢铁股份有限公司 | Production method of adjustable controllable high-roughness roughened surface of thin belt continuous casting crystallization roller |
| CN108136454A (en) * | 2015-09-23 | 2018-06-08 | Posco公司 | The manufacturing method of surface quality and the excellent coated steel sheet of punching formation property and the coated steel sheet manufactured by this method |
| CN113195123A (en) * | 2018-12-12 | 2021-07-30 | 杰富意钢铁株式会社 | Work roll for rolling, rolling mill provided with same, and rolling method |
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