CN103146907A - Cold-rolled high-temperature furnace roller covered with oxide ceramic coating - Google Patents
Cold-rolled high-temperature furnace roller covered with oxide ceramic coating Download PDFInfo
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- CN103146907A CN103146907A CN2013100966309A CN201310096630A CN103146907A CN 103146907 A CN103146907 A CN 103146907A CN 2013100966309 A CN2013100966309 A CN 2013100966309A CN 201310096630 A CN201310096630 A CN 201310096630A CN 103146907 A CN103146907 A CN 103146907A
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Abstract
The invention discloses a cold-rolled high-temperature furnace roller covered with an oxide ceramic coating, which comprises a shaft head, an end cover and a roller sleeve, wherein the outer surface of the roller sleeve is coated with an oxide ceramic layer of which the mass ratio of aluminum oxide and chromium oxide is 1:(1-2). The invention aims at improving the friction resistance and stability of a cold-rolled high-temperature furnace roller and prolonging the service life. According to the cold-rolled high-temperature furnace roller covered with an oxide ceramic coating disclosed by the invention, due to the oxide ceramic layer, the friction performance and high-temperature physical and chemical performance of the roller are effectively improved, the online service time of the roller is increased, the production efficiency and production benefits of an enterprise are increased, and the equipment maintenance and using cost is lowered.
Description
Technical field
The present invention relates to a kind of cold-rolling of steel plate processing furnace roller, particularly a kind of cold rolling high-temperature furnace roller that is covered with oxide ceramic coating.
Background technology
Cold rolling furnace is the key spare parts in the steel plate rolling annealing furnaces such as steel stainless steel, in real work, require high temperature resistant 1250 degree, pit, pit etc. must not appear in surface of steel plate, and the physicochemical property that requires simultaneously furnace roller to have under higher wear-resistant and high-temperature situation is stable.In Plate Production, the quality of roller will have important impact to plate rolling, sheet material output and quality.Existing cold rolling high-temperature furnace roller adopts wipla to make mostly, the surface and without special processing.At present, also have a small amount of cold rolling high-temperature furnace roller to carry out the technical finesses such as surperficial built-up welding, electrodeposited chromium, but its treatment process is more complicated, and surface hardness is not high, causes wear resistance relatively poor, after using the short period, roller-way just rolls off the production line because upper layer destroys.Certainly also have cold rolling high-temperature furnace roller to adopt oxide coating, but there is insufficient strength in existing ceramic roller, even can peel off the situations such as fracture, has seriously affected the maintenance cost of quality, production efficiency and the equipment of product.
Summary of the invention
For addressing the above problem, the invention discloses a kind of cold rolling high-temperature furnace roller that is covered with oxide ceramic coating, simple in structure, process for processing is convenient, and Stability Analysis of Structures is by the oxide ceramic layer that arranges, the frictional behaviour of roller and the physicochemical property under high temperature have effectively been improved, improve the online duration of service of roller, thereby improved production efficiency and the productivity effect of enterprise, reduced maintenance of the equipment and use cost.
The cold rolling high-temperature furnace roller that is covered with oxide ceramic coating disclosed by the invention comprises spindle nose, end cap and roller shell, and the outside surface of described roller shell is laid with the oxide ceramic layer that consists of aluminum oxide and chromic oxide mass ratio 1:1-2.The cold rolling high-temperature furnace roller that is covered with oxide ceramic coating disclosed by the invention by the oxide ceramic layer that arranges at the roller shell outside surface, has improved hardness and the frictional behaviour of furnace roller effectively, and by aluminum oxide and the chromium oxide ceramics that is equipped with, have compact structure, thermal stresses is low, and stability is strong, hardness is high, under the use state, physicochemical property is stable, and is not easy to wear, the on-line continuous long service life, thereby improved production efficiency and the productivity effect of enterprise, reduced the production cost of enterprise.
A kind of improvement that is covered with the cold rolling high-temperature furnace roller of oxide ceramic coating disclosed by the invention, the thickness of described oxide ceramic layer is the 150-200 micron.This improvement is by arranging the oxide ceramic layer that thickness is the 150-200 micron, effectively strengthened the surface structure of roller, anti-shear performance and crocking resistance, extended the work-ing life of roller, avoid that coming off appears in the roller surface, crack or crackle etc., improved processing quality and the working (machining) efficiency of steel plate.
Another improvement that is covered with the cold rolling high-temperature furnace roller of oxide ceramic coating disclosed by the invention, the thickness of described oxide ceramic layer is 180 microns.This improvement is the oxide ceramic layer of 120 microns by thickness is set, effectively strengthened the surface structure of roller, anti-shear performance and crocking resistance, extended the work-ing life of roller, avoid that coming off appears in the roller surface, crack or crackle etc., improve processing quality and the working (machining) efficiency of steel plate, also reduced simultaneously tooling cost and the difficulty of processing of roller.
Another of the cold rolling high-temperature furnace roller that is covered with oxide ceramic coating disclosed by the invention improved, described oxide ceramic layer consist of aluminum oxide and chromic oxide mass ratio 1:1.5.This improvement is by arranging the composition and ratio of oxide ceramics, effectively improved hardness and the compact structure of roller top layer pottery, thereby improved the crocking resistance of roller, extended the work-ing life of roller.
The cold rolling high-temperature furnace roller that is covered with oxide ceramic coating disclosed by the invention, simple in structure, process for processing is convenient, and ceramic layer structure is fine and close, and intensity is high, resistance to wear, under hot environment, physicochemical property is stable, and the work-ing life and the quality stability that have effectively extended roller make roller on-line continuous long service life, thereby improved production efficiency and the productivity effect of enterprise, reduced the production cost of enterprise.
Description of drawings
Fig. 1, the structural representation that is covered with the cold rolling high-temperature furnace roller of oxide ceramic coating disclosed by the invention.
Reference numerals list:
1, spindle nose; 2, end cap; 3, roller shell;
4, oxide ceramic layer.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand following embodiment and only be used for explanation the present invention and be not used in and limit the scope of the invention.Need to prove, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of particular elements geometric centre.
As shown in Figure 1, the cold rolling high-temperature furnace roller that is covered with oxide ceramic coating disclosed by the invention comprises spindle nose 1, end cap 2 and roller shell 3, and the outside surface of described roller shell 3 is laid with the oxide ceramic layer 4 that consists of aluminum oxide and chromic oxide mass ratio 1:1-2.The cold rolling high-temperature furnace roller that is covered with oxide ceramic coating disclosed by the invention by the oxide ceramic layer that arranges at the roller shell outside surface, has improved hardness and the frictional behaviour of furnace roller effectively, and by aluminum oxide and the chromium oxide ceramics that is equipped with, have compact structure, thermal stresses is low, and stability is strong, hardness is high, under the use state, physicochemical property is stable, and is not easy to wear, the on-line continuous long service life, thereby improved production efficiency and the productivity effect of enterprise, reduced the production cost of enterprise.
As a kind of preferred, the thickness of described oxide ceramic layer 4 is the 150-200 micron.By the oxide ceramic layer that thickness is the 150-200 micron is set, effectively strengthened the surface structure of roller, anti-shear performance and crocking resistance have extended work-ing life of roller, avoid that coming off appears in the roller surface, crack or crackle etc., improved processing quality and the working (machining) efficiency of steel plate.
As a kind of preferred, the thickness of described oxide ceramic layer 4 is 180 microns.Be the oxide ceramic layer of 120 microns by thickness is set, effectively strengthened the surface structure of roller, anti-shear performance and crocking resistance, extended the work-ing life of roller, avoid that coming off appears in the roller surface, crack or crackle etc., improve processing quality and the working (machining) efficiency of steel plate, also reduced simultaneously tooling cost and the difficulty of processing of roller.
As a kind of preferred, described oxide ceramic layer 4 consist of aluminum oxide and chromic oxide mass ratio 1:1.5.By the composition and ratio of oxide ceramics is set, effectively improve hardness and the compact structure of roller top layer pottery, thereby improved the crocking resistance of roller, extended the work-ing life of roller.
Embodiment 1
Furnace roller disclosed by the invention adopts following method preparation,
1, preparation oxide compound spray material: the ratio 1:1.5 in aluminum oxide and chromic oxide, choose powder raw material, adopt gas atomization, obtain powder particle, after powder for drying, sieve, obtain the metallic particles of the required particle diameter of this spraying.
2, get cold rolling high-temperature furnace roller, at roller shell 3 external coating acetone, to remove surface and oil contaminant, then adopting 40 purpose white fused aluminas to adopt air pressure is that the pressurized air of 0.5MPa carries out surface sand-blasting, to reach the effect of surface texturing.
3, adopt the plasma flame spraying equipment, control electric current at 500A, voltage under the prerequisite of spray distance 80mm, carries out hypersonic flame spraying to roller shell 3 at 40V, the single pass coating thickness is the coating of 0.015mm, and back and forth spraying is until the oxide ceramics layer thickness reaches 150 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 35MPa.
The difference of the present embodiment and embodiment 1 only is that the thickness of oxide ceramic layer 4 is 180 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 34MPa.
The difference of the present embodiment and embodiment 1 only is that the thickness of oxide ceramic layer 4 is 200 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 35MPa.
Embodiment 4
Furnace roller disclosed by the invention adopts following method preparation,
1, preparation oxide compound spray material: the ratio 1:2 in aluminum oxide and chromic oxide, choose powder raw material, adopt gas atomization, obtain powder particle, after powder for drying, sieve, obtain the metallic particles of the required particle diameter of this spraying.
2, get cold rolling high-temperature furnace roller, at roller shell 3 external coating acetone, to remove surface and oil contaminant, then adopting 40 purpose white fused aluminas to adopt air pressure is that the pressurized air of 0.5MPa carries out surface sand-blasting, to reach the effect of surface texturing.
3, adopt the plasma flame spraying equipment, control electric current at 500A, voltage under the prerequisite of spray distance 80mm, carries out hypersonic flame spraying to roller shell 3 at 40V, the single pass coating thickness is the coating of 0.015mm, and back and forth spraying is until oxide ceramic layer 4 thickness reach 150 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 34MPa.
Embodiment 5
The difference of the present embodiment and embodiment 4 only is that the thickness of oxide ceramic layer 4 is 180 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 34MPa.
Embodiment 6
The difference of the present embodiment and embodiment 4 only is that the thickness of oxide ceramic layer 4 is 200 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 34MPa.
Embodiment 7
Furnace roller disclosed by the invention adopts following method preparation,
1, preparation oxide compound spray material: the ratio 1:1 in aluminum oxide and chromic oxide, choose powder raw material, adopt gas atomization, obtain powder particle, after powder for drying, sieve, obtain the metallic particles of the required particle diameter of this spraying.
2, get cold rolling high-temperature furnace roller, at roller shell 3 external coating acetone, to remove surface and oil contaminant, then adopting 40 purpose white fused aluminas to adopt air pressure is that the pressurized air of 0.5MPa carries out surface sand-blasting, to reach the effect of surface texturing.
3, adopt the plasma flame spraying equipment, control electric current at 500A, voltage under the prerequisite of spray distance 80mm, carries out hypersonic flame spraying to roller shell 3 at 40V, the single pass coating thickness is the coating of 0.015mm, and back and forth spraying is until oxide ceramic layer 4 thickness reach 150 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 33MPa.
Embodiment 8
The difference of the present embodiment and embodiment 7 only is that the thickness of oxide ceramic layer 4 is 180 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 34MPa.
Embodiment 9
The difference of the present embodiment and embodiment 7 only is that the thickness of oxide ceramic layer 4 is 200 microns.The furnace roller porosity that the present embodiment obtains is less than 4%, and the oxide ceramic layer density is high, and the combination of coating and roller shell is firm, and bonding strength has good wear resistance and anti-dross simultaneously greater than 35MPa.
The cold rolling high-temperature furnace roller that is covered with oxide ceramic coating disclosed by the invention, simple in structure, process for processing is convenient, and ceramic layer structure is fine and close, and intensity is high, resistance to wear, under hot environment, physicochemical property is stable, and the work-ing life and the quality stability that have effectively extended roller make roller on-line continuous long service life, thereby improved production efficiency and the productivity effect of enterprise, reduced the production cost of enterprise.
The disclosed technique means of the present invention program is not limited only to the disclosed technique means of above-mentioned technique means, also comprises the technical scheme that is comprised of above technical characterictic arbitrary combination.The above is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (5)
1. a cold rolling high-temperature furnace roller that is covered with oxide ceramic coating, comprise spindle nose, end cap and roller shell, it is characterized in that: the outside surface of described roller shell is laid with the oxide ceramic layer that consists of aluminum oxide and chromic oxide mass ratio 1:1-2.
2. the cold rolling high-temperature furnace roller that is covered with oxide ceramic coating according to claim 1, it is characterized in that: the thickness of described oxide ceramic layer is the 150-200 micron.
3. the cold rolling high-temperature furnace roller that is covered with oxide ceramic coating according to claim 1 and 2, it is characterized in that: the thickness of described oxide ceramic layer is 180 microns.
4. the cold rolling high-temperature furnace roller that is covered with oxide ceramic coating according to claim 1 and 2 is characterized in that: described oxide ceramic layer consist of aluminum oxide and chromic oxide mass ratio 1:1.5.
5. the cold rolling high-temperature furnace roller that is covered with oxide ceramic coating according to claim 3 is characterized in that: described oxide ceramic layer consist of aluminum oxide and chromic oxide mass ratio 1:1.5.
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| CN2013100966309A CN103146907A (en) | 2013-03-25 | 2013-03-25 | Cold-rolled high-temperature furnace roller covered with oxide ceramic coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667670A (en) * | 2013-10-29 | 2014-03-26 | 浦杰 | Nodulation-free furnace roller of roller-hearth type thermal treatment furnace |
| CN104044304A (en) * | 2014-06-21 | 2014-09-17 | 上海君山表面技术工程股份有限公司 | Anti-scaffolding composite coating |
| CN104762445A (en) * | 2015-04-28 | 2015-07-08 | 艾伯纳工业炉(太仓)有限公司 | Furnace roller of hot forming roller bottom type heating furnace |
| CN107931338A (en) * | 2017-11-29 | 2018-04-20 | 上海英佛曼纳米科技股份有限公司 | A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking |
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| CN102234755A (en) * | 2010-04-23 | 2011-11-09 | 南京梅山冶金发展有限公司 | Novel cold rolling loop roller covered by amorphous tungsten carbide coating |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103667670A (en) * | 2013-10-29 | 2014-03-26 | 浦杰 | Nodulation-free furnace roller of roller-hearth type thermal treatment furnace |
| WO2015062079A1 (en) * | 2013-10-29 | 2015-05-07 | 浦杰 | Nodulation-free furnace roller for roller-hearth type thermal treatment furnace |
| CN104044304A (en) * | 2014-06-21 | 2014-09-17 | 上海君山表面技术工程股份有限公司 | Anti-scaffolding composite coating |
| CN104044304B (en) * | 2014-06-21 | 2016-06-01 | 上海君山表面技术工程股份有限公司 | Anti-dross compound coating |
| CN104762445A (en) * | 2015-04-28 | 2015-07-08 | 艾伯纳工业炉(太仓)有限公司 | Furnace roller of hot forming roller bottom type heating furnace |
| CN107931338A (en) * | 2017-11-29 | 2018-04-20 | 上海英佛曼纳米科技股份有限公司 | A kind of cold rolling acid milling train pulling-straightening roller of wear-resistant resistance to cracking |
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Application publication date: 20130612 |