CN111389934A - Nano coating with wear-resistant rough and super reduction-resistant cold rolling tension roller - Google Patents
Nano coating with wear-resistant rough and super reduction-resistant cold rolling tension roller Download PDFInfo
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- CN111389934A CN111389934A CN202010250534.5A CN202010250534A CN111389934A CN 111389934 A CN111389934 A CN 111389934A CN 202010250534 A CN202010250534 A CN 202010250534A CN 111389934 A CN111389934 A CN 111389934A
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- 230000009467 reduction Effects 0.000 title claims abstract description 19
- 238000005097 cold rolling Methods 0.000 title claims abstract description 10
- 239000002103 nanocoating Substances 0.000 title abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 49
- 238000000576 coating method Methods 0.000 claims abstract description 49
- 239000010410 layer Substances 0.000 claims abstract description 40
- 239000000919 ceramic Substances 0.000 claims abstract description 37
- 239000002131 composite material Substances 0.000 claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 17
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000011195 cermet Substances 0.000 claims abstract 4
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 239000002344 surface layer Substances 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 7
- 238000007751 thermal spraying Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims 3
- 238000006731 degradation reaction Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000010977 unit operation Methods 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000010285 flame spraying Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical group O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/08—Braking or tensioning arrangements
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- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a nano coating with a wear-resistant anti-thickness-super-reduction cold rolling tension roller, which is characterized in that: tensioning roller surface coating has the nanometer protective layer, the nanometer protective layer is cermet composite coating, cermet composite coating includes nanometer bottom, nanometer transition layer and nanometer ceramic surface course, nanometer bottom, nanometer transition layer and nanometer ceramic surface course are outwards sprayed in proper order by the lining and are made. The cold-rolling tension roller with the wear-resistant and rough and ultra-degree reduction-resistant nano coating provided by the invention has the advantages that the wear-resistant and rough and ultra-degree reduction-resistant nano coating composite material has good physical properties and chemical properties, the bonding capability of the coating and a base material can be improved, the wear-resistant and rough and ultra-degree reduction-resistant capability of the surface of the tension roller is improved, the mechanical load and high temperature resistance are realized, the service cycle is prolonged to more than 2 years from the original 7 months, the service cycle is greatly longer than that of the cold-rolling tension roller in the prior art, the unit operation rate and the product quality are effectively improved, the overhaul cost is reduced, and the reliable guarantee is provided for the cost reduction and the benefit increase of customers.
Description
Technical Field
The invention relates to the field of tension roller equipment, in particular to a nano coating with a wear-resistant rough and super reduction resistant cold-rolled tension roller.
Background
The existing tension roller is in contact with a plate strip in the production process, so that the roller surface is abraded, the thickness and the excess of the roller surface are reduced, the plate strip quality is seriously influenced and slips, a production unit stops production, the roller is replaced, and the service life of the tension roller is seriously influenced. The existing solution is to spray a micron material on a micron coating to prolong the service life of the roller, and the service life of the prior art is 7 months. The problems of plate and strip slippage and the like caused by roller surface abrasion, cracking and rough and super reduction cannot be well solved, and the micron coating is easy to peel off.
Disclosure of Invention
It is an object of the present invention to provide a nanocoating with a wear resistant anti-roughness drop cold roll tension roll that solves one or more of the above-mentioned prior art problems.
According to the nano coating with the wear-resistant anti-thickness-super-reduction cold-rolled tension roller, the surface of the tension roller is coated with the nano protective layer, the nano protective layer is a metal ceramic composite coating, the metal ceramic composite coating comprises a nano bottom layer, a nano transition layer and a nano ceramic surface layer, and the nano bottom layer, the nano transition layer and the nano ceramic surface layer are sequentially sprayed from inside to outside.
The nano coating with the wear-resistant rough and super-reduction-resistant cold-rolled tension roller provided by the invention has a wear-resistant and crack-resistant nano ceramic composite coating, has good physical and chemical properties, can improve the bonding capacity of the coating and a base material, simultaneously improves the wear-resistant and rough and super-reduction-resistant capacity of the surface of the tension roller, has mechanical load and high-temperature resistance, and has a service cycle which is prolonged to more than 2 years from the original 7 months, the service cycle is greatly longer than that of the cold-rolled tension roller in the prior art, the unit operation rate and the product quality are effectively improved, the overhaul cost is reduced, and reliable guarantee is provided for cost reduction and efficiency improvement of customers.
In some embodiments, the nano bottom layer of the metal ceramic composite coating has a material grade of INF-8225-1, the nano transition layer of the metal ceramic composite coating has a material grade of INF-8225-2, and the nano ceramic top layer of the metal ceramic composite coating has a material grade of INF-8225-3.
In some embodiments, the thickness of the metal ceramic composite coating is 150-.
In some embodiments, the thickness of the nano bottom layer is 30-50 μm, the thickness of the nano transition layer is 40-60 μm, and the thickness of the nano ceramic surface layer is 80-90 μm.
In some embodiments, a supersonic nano thermal spraying device is adopted to spray a nano protective layer on the roller body (1), and the spraying speed is 500-2000 m/s.
In some embodiments, the tensioning roller includes roll body (1) and locates axle base (2) at roll body (1) both ends, roll body (1) surface coating has the nanometer protective layer, roll body (1) includes outer roll body (11), hollow roll body middle part (12) and is located the cavity roll body end of body (13) at roll body middle part (12) both ends, roll body middle part (12) with roll body end of body (13) all locates inside outer roll body (11), the diameter of roll body end of body (13) is greater than the diameter of roll body middle part (12).
In some embodiments, the diameter of the roller body middle part (12) is 300-1200 mm, the diameter of the roller body end part (13) is 10mm larger than the diameter of the roller body middle part (12), the outer end face of the roller body end part (13) is provided with a connecting cylinder body (14), the connecting cylinder body (14) is annularly provided with a mounting base (15), and the mounting base (15) is provided with a plurality of mounting screw holes. By increasing the width of the two ends in the roller body, the compression roller can be kept stable in high-speed operation, vibration is eliminated, the aim that the critical point is beyond the process rotating speed is achieved, and the rotating speed of the compression roller can be increased to 1.2-1.8 ten thousand rotating speeds/minute.
In some embodiments, the outer roller body (11) is spaced apart by a ring (3), the ring (3) having a diameter greater than the diameter of the outer roller body (11). The two ends of the roller body are widened, so that the defect that the high-speed running roller is unstable can be overcome.
In some embodiments, the outer roller body (11), the roller body central part (12), the roller body end part (13) and the central axis of the shaft base (2) are located on the same straight line.
Drawings
FIG. 1 is a schematic structural view of a nanocoating with a wear resistant rough over reduction resistant cold roll tension roll in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural view of a cold-rolled tension roll with wear resistance and resistance to rough and excessive drop according to an embodiment of the present invention
FIG. 3 is a schematic structural view of an outer roller body with a wear-resistant rough over-reduction resistant cold-rolled tension roller according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a shaft base with a wear-resistant and rough-out drop-resistant cold-rolled tension roll according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, a nanometer coating with wear-resistant anti-rough and super-reduction cold rolling tension roller, the tension roller surface coating has a nanometer protective layer, the nanometer protective layer is a metal ceramic composite coating, the metal ceramic composite coating comprises a nanometer bottom layer 100, a nanometer transition layer 200 and a nanometer ceramic surface layer 300, and the nanometer bottom layer 100, the nanometer transition layer 200 and the nanometer ceramic surface layer 300 are sequentially sprayed from inside to outside to be manufactured
The nano protective layer is a metal ceramic composite coating, the metal ceramic composite coating comprises a nano bottom layer, a nano transition layer and a nano ceramic surface layer, and the nano bottom layer, the nano transition layer and the nano ceramic surface layer are sequentially sprayed from inside to outside.
The material grade of the nano bottom layer 100 of the metal ceramic composite coating is INF-8225-1, the material grade of the nano transition layer 200 of the metal ceramic composite coating is INF-8225-2, and the material grade of the nano ceramic surface layer 300 of the metal ceramic composite coating is INF-8225-3. The metal ceramic composite coating of INF-8235-3 can make the wear resistance of the whole coating better.
The thickness of the nanometer protective layer is 150-200 mu m, wherein the nanometer bottom layer is a nanometer NGr layer, the nanometer base layer is a nanometer NGrS2Mo layer, and the nanometer ceramic layer is a chromium oxide-based ceramic composite layer; the thickness of the nanometer bottom layer is 30-50 mu m, the thickness of the nanometer transition layer is 40-60 mu m, the thickness of the nanometer ceramic surface layer is 80-90 mu m, and the whole tension roller has the effects of abrasion resistance, coarse and ultra-fine reduction resistance and cracking resistance under the thickness of the nanometer protection layer.
And (2) spraying a nano protective layer on the roller body (1) by adopting supersonic nano thermal spraying equipment, wherein the spraying speed is 1350-2000 m/s.
The microhardness of the prepared nano coating reaches HV900-1100, the roughness of the roller surface is Ra0.8, the binding force of the coating on a substrate is more than 80Mpa, and the service life is more than 2 years.
The cold-rolling tension roller with the wear-resistant rough and ultra-thin reduction-resistant nano coating provided by the invention has the advantages that the composite material with the wear-resistant rough and ultra-thin reduction-resistant nano coating has good physical and chemical properties, the bonding capability of the coating and a base material can be improved, the wear-resistant rough and ultra-thin reduction-resistant capability of the surface of the tension roller is improved, the mechanical load and the high-temperature resistance are realized, the service cycle is prolonged to more than 2 years from the original 7 months, the service cycle is greatly longer than that of the cold-rolling tension roller in the prior art, the unit operation rate and the product quality are effectively improved, the overhaul cost is reduced, and the reliable guarantee is provided for cost reduction and efficiency improvement of customers.
A preparation method of a wear-resistant anti-coarse and anti-super-reduction nano coating comprises the following steps:
the method comprises the following steps:
(1) cleaning and deoiling: placing the roller body (1) in a non-ionic surfactant solution with the mass concentration of 5-10% for cleaning, and ventilating and drying;
(2) sand blasting and coarsening: coarsening the roller surface by adopting first-grade brown corundum;
(3) preparing a nano bottom layer: spraying the bottom layer nano material in a molten state to the roller surface of the deburring roller at the speed of 500-2500m/s by adopting supersonic flame spraying equipment, wherein the thickness of the coating is 30-50 mu m;
(4) preparing a nano transition layer: spraying the bottom layer nano material in a molten state to the roller surface of the deburring roller at the speed of 500-2500m/s by adopting supersonic flame spraying equipment, wherein the thickness of the coating is 40-60 mu m;
(5) preparing a nano surface layer: supersonic flame spraying equipment is adopted to spray the surface layer nano material in a molten state to the roller surface of the deburring roller at the speed of 500-2500m/s, and the thickness of the coating is 80-900 microns.
The above-mentioned steps are carried out,
as shown in fig. 2 to 4, the tension roller includes a roller body 1 and shaft bases 2 installed at both ends of the roller body 1, the roller body 1 includes an outer roller body 11, a hollow roller body middle portion 12 and hollow roller body end portions 13 located at both ends of the roller body middle portion 12, the roller body middle portion 12 and the roller body end portions 13 are both disposed inside the outer roller body 11, and the diameter of the roller body end portions 13 is greater than that of the roller body middle portion 12.
In the above, the width of the two ends in the roller body 1 is increased, so that the stability of the compression roller in high-speed operation can be ensured, the vibration is eliminated, the aim of enabling the critical point to be out of the process rotating speed is achieved, and the operating speed of the compression roller can be increased to 1.2-1.8 ten thousand rotating speeds/minute.
The roller comprises a roller body, wherein the diameter of the roller body is 300-1200 mm, the diameter of the end part (13) of the roller body is 10mm larger than that of the middle part (12) of the roller body, the thickness of the coating of the roller body is 150-200um, a connecting cylinder body (14) is arranged on the outer end face of the end part (13) of the roller body, a mounting base (15) is arranged on the connecting cylinder body (14) in a surrounding mode, and a plurality of mounting screw holes are formed in the mounting base (15. In the embodiment, the two ends of the roller body 1 are widened, and the diameter of the end part (13) of the roller body is 10mm larger than that of the middle part (12) of the roller body, so that the defect that the high-speed running roller is unstable is overcome.
The screw hole is also formed in the corresponding position of the shaft base 2 and the mounting screw hole, the shaft base 2 and the end part 13 of the roller body are fixedly connected through the screw, the screw is fixedly mounted along the axial lead direction, the fixing effect is good, and the mounting is stable and convenient.
The ring body 3 is arranged on the outer roller body 11 at intervals, and the diameter of the ring body 3 is slightly larger than that of the outer roller body 11. The ring body 3 has the function of enabling the silk threads to be easily formed on the press roll, and facilitating the silk threads to become the silk cakes.
The central axes of the outer roller body 11, the roller body middle part 12, the roller body end part 13 and the shaft base 2 are positioned on the same straight line. The purpose of this design lies in, under the same axis, can guarantee the stability of compression roller rotational speed, and is steady.
According to the nano coating with the wear-resistant anti-coarse-super-reduction cold-rolling tension roller, the width of the inner cavities at the two ends of the sleeve is adjusted, so that critical points and vibration of the compression roller are eliminated in high-speed rotation of the compression roller, and the purpose of stable rotation is achieved
The foregoing is only a preferred form of the invention and it should be noted that numerous similar variations and modifications could be made by those skilled in the art without departing from the inventive concept herein, which shall be considered to be within the scope of the appended claims.
Claims (9)
1. The utility model provides a nanometer coating with cold rolling tensioning roller that wear-resisting anti thick super degree descends which characterized in that: tensioning roller surface coating has the nanometer protective layer, the nanometer protective layer is cermet composite coating, cermet composite coating includes nanometer bottom, nanometer transition layer and nanometer ceramic surface course, nanometer bottom, nanometer transition layer and nanometer ceramic surface course are outwards sprayed in proper order by the lining and are made.
2. The nanolayered coating with a wear resistant cold rolled tension roller that resists degradation of roughness and super-roughness as in claim 1, wherein: the material grade of the nano bottom layer of the metal ceramic composite coating is INF-8225-1, the material grade of the nano transition layer of the metal ceramic composite coating is INF-8225-2, and the material grade of the nano ceramic surface layer of the metal ceramic composite coating is INF-8225-3.
3. The nanolayered coating with a cold rolled tension roller that is resistant to wear and rough and super reduction of claim 2, wherein: the thickness of the metal ceramic composite coating is 150-200 mu m.
4. The nanolayered coating with a cold rolled tension roller that is resistant to wear and rough and super reduction of claim 3, wherein: the thickness of the nanometer bottom layer is 30-50 mu m, the thickness of the nanometer transition layer is 40-60 mu m, and the thickness of the nanometer ceramic surface layer is 80-90 mu m.
5. The nanolayered coating with a wear resistant cold rolled tension roller that resists degradation of roughness and super-roughness as in claim 1, wherein: and (2) spraying a nano protective layer on the roller body (1) by adopting supersonic nano thermal spraying equipment, wherein the spraying speed is 500-2000 m/s.
6. The nanolayered coating with a wear resistant cold rolled tension roller that resists degradation of roughness and super-roughness as in claim 1, wherein: the tensioning roller includes roll body (1) and locates the axle base (2) at roll body (1) both ends, roll body (1) surface coating has the nanometer protective layer, roll body (1) includes outer roll body (11), hollow roll body middle part (12) and is located the cavity roll body end of body (13) at roll body middle part (12) both ends, roll body middle part (12) with roll body end of body (13) all locates inside outer roll body (11), the diameter of roll body end of body (13) is greater than the diameter of roll body middle part (12).
7. The nanolayered coating with a cold rolled tension roller that is resistant to wear and rough and super reduction of claim 6, wherein: the diameter of roll body middle part (12) is 300 ~ 1200mm, the diameter ratio of roll body tip (13) the diameter of roll body middle part (12) is 10mm big, the outer terminal surface of roll body tip (13) is equipped with connecting cylinder (14), connecting cylinder (14) encircle and are equipped with mounting base (15), be equipped with a plurality of installation screw holes on mounting base (15).
8. The nanolayered coating with a cold rolled tension roller that is resistant to wear and rough and super reduction of claim 7, wherein: the outer roller body (11) is provided with a ring body (3) in a spacing ring mode, and the diameter of the ring body (3) is larger than that of the outer roller body (11).
9. The nanolayered coating with a cold rolled tension roller that is resistant to wear and rough overruns of claim 8, wherein: the outer roller body (11), the roller body middle part (12), the roller body end part (13) and the central axis of the shaft base (2) are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250534.5A CN111389934A (en) | 2020-04-01 | 2020-04-01 | Nano coating with wear-resistant rough and super reduction-resistant cold rolling tension roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250534.5A CN111389934A (en) | 2020-04-01 | 2020-04-01 | Nano coating with wear-resistant rough and super reduction-resistant cold rolling tension roller |
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| CN111389934A true CN111389934A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010250534.5A Pending CN111389934A (en) | 2020-04-01 | 2020-04-01 | Nano coating with wear-resistant rough and super reduction-resistant cold rolling tension roller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923607A (en) * | 2019-12-27 | 2020-03-27 | 上海英佛曼纳米科技股份有限公司 | Cold rolling loop roller with wear-resistant and roughness-reduction-resistant nano coating |
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| CN212442584U (en) * | 2020-04-01 | 2021-02-02 | 上海英佛曼纳米科技股份有限公司 | Nano coating with wear-resistant and roughness-reduction-resistant cold-rolled tension roller |
-
2020
- 2020-04-01 CN CN202010250534.5A patent/CN111389934A/en active Pending
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| CN101362152A (en) * | 2008-09-12 | 2009-02-11 | 上海君山表面技术工程股份有限公司 | Intermediate-frequency quenching hard-surface strain roller and manufacture method thereof |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110923607A (en) * | 2019-12-27 | 2020-03-27 | 上海英佛曼纳米科技股份有限公司 | Cold rolling loop roller with wear-resistant and roughness-reduction-resistant nano coating |
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