CN103882364A - Hypersonic flame spraying remediation method for ferrous metallurgy roller component - Google Patents
Hypersonic flame spraying remediation method for ferrous metallurgy roller component Download PDFInfo
- Publication number
- CN103882364A CN103882364A CN201410105166.XA CN201410105166A CN103882364A CN 103882364 A CN103882364 A CN 103882364A CN 201410105166 A CN201410105166 A CN 201410105166A CN 103882364 A CN103882364 A CN 103882364A
- Authority
- CN
- China
- Prior art keywords
- ferrous metallurgy
- base part
- roller base
- flame spraying
- hypersonic flame
- 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.)
- Pending
Links
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
The invention relates to the technical field of remediation and reproduction, and discloses a hypersonic flame spraying remediation method for a ferrous metallurgy roller component. The method is characterized by comprising the following steps: (1) cleaning dirty on the surface of the ferrous metallurgy roller component; (2) spot-welding and polishing a defect part of the ferrous metallurgy roller component; (3) performing hypersonic flame spraying on the surface of the roller component by using hypersonic flame spraying equipment, so as to prepare a WC-12Co coating; (4) sealing holes of the roller component sprayed with the WC-12Co coating, partitioning and naturally cooling the roller component. The method has the beneficial effects that the process operation is simple, the service life of the roller component is prolonged, the porosity of the prepared WC-12Co coating is smaller than 1%, and the roller component is excellent in bonding resistance and abrasion resistance, and is compact in structure.
Description
Technical field
The present invention relates to mechanical prosthesis and re-manufacturing technology field, refer more particularly to a kind of ferrous metallurgy roller base part hypersonic flame spraying restorative procedure.
Background technology
Repairing and transform a series of technical measures or the engineering activity that waste and old electronic product carries out, being called again manufacturing engineering again, is the industrialization of the reparation of waste and old equipment hi-tech, transformation and upgrade.Equipment remanufacturing has become country and has greatly developed one of core content of strategic new industry.Abroad remanufacturing industry is called " sunrise industry ".
Thermospray is repaired and is transformed take " size restoration and performance boost " as characteristic, have spray material extensively, base shape is little with size is unrestricted, coat-thickness is easily controlled, technological operation simple, matrix is influenced by heat, can give the features such as piece surface property, manufacture again reparation forming technique as one and earn widespread respect and apply in fields such as national defense industry, printing, aerospace, petrochemical complex, mining machinery, electric power.Since 21 century, adopt air-breathing atmosphere hypersonic flame spraying system (HVAF) to occur, faster (700～800m/s) of its flame stream temperature lower (1400～1600 ℃), velocity of particle, is demonstrating unique advantage aspect the metal-ceramic coatings such as oxidizable materials coating and WC-Co, NiCr-Cr3C2 such as preparation Cu base, Al base.
It is fast that hypersonic flame spraying has velocity of particle, bonding strength is high, coating inside is stress, the feature of (several millimeter) can thickly be shaped, hypersonic flame spraying technology is applicable to manufacturing again of all kinds of large-scale wear out failure axles, roller, can be widely used in manufacturing again of the field defective component such as aerospace, ferrous metallurgy, petrochemical complex, papermaking and biomedicine.Sinking roller, stabilizing roller in the Thermal zinc plating bath of ferrous metallurgy field, stand serious galvanizing zinc corrosion, and work-ing life is shorter.General work 1～2 week because roll surface corrosion produces serious sticky cadmia phenomenon, produces and scratches steel plate in galvanizing process, affects galvanized sheet quality.To adopt turning to reduce repairing sizes method, the roll surface state regaining to the restorative procedure of zinc-plated working roll at present.But after processing several times, whole roll body is scrapped because of overproof.How to manufacture occurring that the roll body part of flaw or damage is repaired again, be the important topic of resource reutilization.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of technological operation, extends the roll body part ferrous metallurgy roller base part hypersonic flame spraying restorative procedure in work-ing life.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of ferrous metallurgy roller base part hypersonic flame spraying restorative procedure, is characterized in that, comprises following steps:
(1) dirt on removing ferrous metallurgy roller base part surface;
(2) described ferrous metallurgy roller base part defect is carried out to spot welding polishing;
(3) carry out hypersonic flame spraying by supersonic speed plasma-spraying device at described substrate surface, prepare WC-12Co coating;
(4) the roller class part of the described WC-12Co of being coated with coating is carried out to sealing of hole, isolation and cooling.
Preferably, described step (1) is cleaned described ferrous metallurgy roller base part with rust remover, has eliminated rust to be placed in 100 ℃ of baking ovens and has dried.
Preferably, described step (2) is carried out a postwelding to described ferrous metallurgy roller base part defect, first polishes with sander, then uses sand paper manual grinding.
Preferably, described step (3) hypersonic flame spraying is prepared WC-12Co coating, processing parameter is: oxygen pressure is 0.5-0.7MPa, propane pressure 0.5-0.6MPa, nitrogen pressure 0.75MPa, oxygen flow 10-13.5m3/h, propane flow 1000～1200L/min, nitrogen flow 1000～1100L/min, spraying area vertical speed 50mm/s, spraying area horizontal velocity 170mm/s, spray distance 100-200mm.
Preferably, described step (3) WC-12Co coat-thickness is 80-120 μ m.
Preferably, described step (3) WC-12Co coating hardness is 1000-1100HV.
The invention has the beneficial effects as follows: technological operation is simple, extend roll body part work-ing life, the WC-12Co coating porosity of preparation is less than 1%, has excellent resistance to bond, abrasion resistance properties, and structure is compacted.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is further described in detail.
Embodiment mono-:
A kind of ferrous metallurgy roller base part hypersonic flame spraying restorative procedure, comprises following steps:
(1) with rust remover rust remover, ferrous metallurgy roller base part is cleaned, eliminated rust to be placed in 100 ℃ of baking ovens and dried;
(2) select the WC/12Co powder of nanostructure spray-dried, slight sintering, fragmentation, the bonding bonding particle of assembling mutually and having retained nanostructure of the WC by median size between 30-400nm and 12Co, WC-12Co composite powder composition is: WC85%, 12Co15%;
(3) ferrous metallurgy roller base part defect is carried out to spot welding, some postwelding is first polished with sander, then uses sand paper manual grinding;
(4) carry out hypersonic flame spraying by supersonic velocity flame plating equipment at described substrate surface, prepare WC-12Co coating, thickness is 90 μ m, and hypersonic flame spraying processing parameter is: oxygen pressure is 0.5MPa, propane pressure 0.6MPa, nitrogen pressure 0.75MPa, oxygen flow 13.5m3/h, propane flow 1200L/min, nitrogen flow 1100L/min, spraying area vertical speed 50mm/s, spraying area horizontal velocity 170mm/s, spray distance 150mm;
(5) the roller class part of the described WC-12Co of being coated with coating is carried out to sealing of hole, isolation and cooling.
Employing degree adopts HVS-1000 type microhardness tester to measure WC-12Co coating hardness, and it is 1000-1100HV that test records coating average microhardness.Ferrous metallurgy roller base part after reparation was brought up to 9 weeks from original 2 weeks work-ing life, and effect is remarkable.
Embodiment bis-:
A kind of ferrous metallurgy roller base part hypersonic flame spraying restorative procedure, comprises following steps:
(1) with rust remover rust remover, ferrous metallurgy roller base part is cleaned, eliminated rust to be placed in 100 ℃ of baking ovens and dried;
(2) select the WC/12Co powder of nanostructure spray-dried, slight sintering, fragmentation, the bonding bonding particle of assembling mutually and having retained nanostructure of the WC by median size between 30-400nm and 12Co, WC-12Co composite powder composition is: WC86%, 12Co14%;
(3) ferrous metallurgy roller base part defect is carried out to spot welding, some postwelding is first polished with sander, then uses sand paper manual grinding;
(4) carry out hypersonic flame spraying by supersonic velocity flame plating equipment at described substrate surface, prepare WC-12Co coating, thickness is 120 μ m, and hypersonic flame spraying processing parameter is: oxygen pressure is 0.6MPa, propane pressure 0.5MPa, nitrogen pressure 0.75MPa, oxygen flow 12.5m3/h, propane flow 1100L/min, nitrogen flow 1000L/min, spraying area vertical speed 50mm/s, spraying area horizontal velocity 170mm/s, spray distance 180mm;
(5) the roller class part of the described WC-12Co of being coated with coating is carried out to sealing of hole, isolation and cooling.
Employing degree adopts HVS-1000 type microhardness tester to measure WC-12Co coating hardness, and it is 1000-1100HV that test records coating average microhardness.Ferrous metallurgy roller base part after reparation was brought up to 8 weeks from original 2 weeks work-ing life, and effect is remarkable.
Embodiment tri-:
A kind of ferrous metallurgy roller base part hypersonic flame spraying restorative procedure, comprises following steps:
(1) with rust remover rust remover, ferrous metallurgy roller base part is cleaned, eliminated rust to be placed in 100 ℃ of baking ovens and dried;
(2) select the WC/12Co powder of nanostructure spray-dried, slight sintering, fragmentation, the bonding bonding particle of assembling mutually and having retained nanostructure of the WC by median size between 30-400nm and 12Co, WC-12Co composite powder composition is: WC87%, 12Co13%;
(3) ferrous metallurgy roller base part defect is carried out to spot welding, some postwelding is first polished with sander, then uses sand paper manual grinding;
(4) carry out hypersonic flame spraying by supersonic velocity flame plating equipment at described substrate surface, prepare WC-12Co coating, thickness is 110 μ m, and hypersonic flame spraying processing parameter is: oxygen pressure is 0.7MPa, propane pressure 0.5MPa, nitrogen pressure 0.75MPa, oxygen flow 11.5m3/h, propane flow 1200L/min, nitrogen flow 1050L/min, spraying area vertical speed 50mm/s, spraying area horizontal velocity 170mm/s, spray distance 190mm;
(5) the roller class part of the described WC-12Co of being coated with coating is carried out to sealing of hole, isolation and cooling.
Employing degree adopts HVS-1000 type microhardness tester to measure WC-12Co coating hardness, and it is 1000-1100HV that test records coating average microhardness.Ferrous metallurgy roller base part after reparation was brought up to 7 weeks from original 2 weeks work-ing life, and effect is remarkable.
The invention has the beneficial effects as follows: technological operation is simple, extend roll body part work-ing life, the WC-12Co coating porosity of preparation is less than 1%, has excellent resistance to bond, abrasion resistance properties, and structure is compacted.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. a ferrous metallurgy roller base part hypersonic flame spraying restorative procedure, is characterized in that, comprises following steps:
(1) dirt on removing ferrous metallurgy roller base part surface;
(2) described ferrous metallurgy roller base part defect is carried out to spot welding polishing;
(3) carry out hypersonic flame spraying by supersonic velocity flame plating equipment on described roller base part surface, prepare WC-12Co coating;
(4) the roller class part of the described WC-12Co of being coated with coating is carried out to sealing of hole, isolation and naturally cooling.
2. ferrous metallurgy roller base part hypersonic flame spraying restorative procedure according to claim 1, is characterized in that, described step (1) is cleaned described ferrous metallurgy roller base part with rust remover, has eliminated rust to be placed in 100 ℃ of baking ovens and has dried.
3. ferrous metallurgy roller base part hypersonic flame spraying restorative procedure according to claim 1, it is characterized in that, described step (2) is carried out a postwelding to described ferrous metallurgy roller base part defect, first polishes with sander, then uses sand paper manual grinding.
4. ferrous metallurgy roller base part hypersonic flame spraying restorative procedure according to claim 1, it is characterized in that, described step (3) hypersonic flame spraying is prepared WC-12Co coating, processing parameter is: oxygen pressure is 0.5-0.7MPa, propane pressure 0.5-0.6MPa, nitrogen pressure 0.75MPa, oxygen flow 10-13.5m3/h, propane flow 1000～1200L/min, nitrogen flow 1000～1100L/min, spraying area vertical speed 50mm/s, spraying area horizontal velocity 170mm/s, spray distance 100-200mm.
5. ferrous metallurgy roller base part hypersonic flame spraying restorative procedure according to claim 1, is characterized in that, described step (3) WC-12Co coat-thickness is 80-120 μ m.
6. ferrous metallurgy roller base part hypersonic flame spraying restorative procedure according to claim 1, is characterized in that, described step (3) WC-12Co coating hardness is 1000-1100HV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105166.XA CN103882364A (en) | 2014-03-20 | 2014-03-20 | Hypersonic flame spraying remediation method for ferrous metallurgy roller component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105166.XA CN103882364A (en) | 2014-03-20 | 2014-03-20 | Hypersonic flame spraying remediation method for ferrous metallurgy roller component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103882364A true CN103882364A (en) | 2014-06-25 |
Family
ID=50951480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410105166.XA Pending CN103882364A (en) | 2014-03-20 | 2014-03-20 | Hypersonic flame spraying remediation method for ferrous metallurgy roller component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103882364A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233175A (en) * | 2014-09-12 | 2014-12-24 | 芜湖鼎瀚再制造技术有限公司 | Remanufacturing process of concavely rolled roller |
| CN104264102A (en) * | 2014-10-15 | 2015-01-07 | 西安石油大学 | Preparation method of nickel base alloy coating on boiler water wall |
| CN104451522A (en) * | 2014-10-30 | 2015-03-25 | 安徽鼎恒再制造产业技术研究院有限公司 | Hot process for remanufacturing compression roller |
| CN107779805A (en) * | 2017-10-22 | 2018-03-09 | 陈海银 | Stabilizing roller surface abrasion resistance, corrosion-resistant finishes preparation method |
| CN107988574A (en) * | 2017-12-29 | 2018-05-04 | 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 with wear-resistant resistance to cracking nano coating |
| CN109628871A (en) * | 2018-12-03 | 2019-04-16 | 中国船舶重工集团公司第七二五研究所 | A kind of aluminum alloy guide rail wear-resisting erosion resistance burn-out-proof adhesive coating layer and preparation and application |
| CN110016632A (en) * | 2019-03-25 | 2019-07-16 | 安徽开发矿业有限公司 | A kind of diaphragm pump flow passage part Wear-resistant Treatment technique |
| CN112247339A (en) * | 2020-10-12 | 2021-01-22 | 菲斯达精密工业部件（苏州）有限公司 | Welding process of 5G large-scale die casting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148747A (en) * | 2007-11-12 | 2008-03-26 | 北京矿冶研究总院 | Hot spraying WC/Co powder and coating preparation |
| CN101362151A (en) * | 2008-09-12 | 2009-02-11 | 上海君山表面技术工程股份有限公司 | Hard-surface build-up welding strain roller and manufacture method thereof |
-
2014
- 2014-03-20 CN CN201410105166.XA patent/CN103882364A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148747A (en) * | 2007-11-12 | 2008-03-26 | 北京矿冶研究总院 | Hot spraying WC/Co powder and coating preparation |
| CN101362151A (en) * | 2008-09-12 | 2009-02-11 | 上海君山表面技术工程股份有限公司 | Hard-surface build-up welding strain roller and manufacture method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 羿昌盛: "超音速火焰喷涂WC-12Co 涂层工艺优化", 《热喷涂技术》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233175A (en) * | 2014-09-12 | 2014-12-24 | 芜湖鼎瀚再制造技术有限公司 | Remanufacturing process of concavely rolled roller |
| CN104264102A (en) * | 2014-10-15 | 2015-01-07 | 西安石油大学 | Preparation method of nickel base alloy coating on boiler water wall |
| CN104451522A (en) * | 2014-10-30 | 2015-03-25 | 安徽鼎恒再制造产业技术研究院有限公司 | Hot process for remanufacturing compression roller |
| CN107779805A (en) * | 2017-10-22 | 2018-03-09 | 陈海银 | Stabilizing roller surface abrasion resistance, corrosion-resistant finishes preparation method |
| CN107988574A (en) * | 2017-12-29 | 2018-05-04 | 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 with wear-resistant resistance to cracking nano coating |
| CN109628871A (en) * | 2018-12-03 | 2019-04-16 | 中国船舶重工集团公司第七二五研究所 | A kind of aluminum alloy guide rail wear-resisting erosion resistance burn-out-proof adhesive coating layer and preparation and application |
| CN110016632A (en) * | 2019-03-25 | 2019-07-16 | 安徽开发矿业有限公司 | A kind of diaphragm pump flow passage part Wear-resistant Treatment technique |
| CN112247339A (en) * | 2020-10-12 | 2021-01-22 | 菲斯达精密工业部件（苏州）有限公司 | Welding process of 5G large-scale die casting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103882364A (en) | Hypersonic flame spraying remediation method for ferrous metallurgy roller component | |
| CN107723699B (en) | Method for repairing heat-resistant alloy | |
| CN102154609A (en) | Preparation method of high-precision roller wear-resistant coating | |
| CN102343497A (en) | Method for reconstructing surface of mill roll | |
| CN103194747B (en) | Method for laser cladding manufacturing or remanufacturing of wear and corrosion resistant wind power generator shaft | |
| CN107164716B (en) | Powder core wire and method for preparing high-speed electric arc spraying coating | |
| CN101113508A (en) | Method for metal parts surface defects restoring and antiseptic treatment | |
| CN106756712A (en) | A kind of abrasion-resistant metal corrosion-inhibiting coating and its electric arc spraying process | |
| CN103526135A (en) | Fe-based metal glass composite coating enhanced by WC-Co as well as preparation method of the coating | |
| CN104561994A (en) | Laser surface cladding method for copper roller of metal belt forming machine | |
| CN106086760A (en) | Wear-resisting composite coating and its preparation method and application | |
| CN108251784B (en) | Method for spraying composite coating on plunger of emulsion pump and plunger comprising method | |
| CN104611664B (en) | Shaped steel planishing roll pass surface alloy supersonic spray coating intensifying method and sprayed on material | |
| CN104032256B (en) | A kind of preparation method of wear resistant corrosion resistant ni base alloy coating | |
| CN107805809A (en) | A kind of automobile die surface coating renovation technique | |
| CN108607796A (en) | A kind of preparation method of Electrolyzed Processing cathode insulation coating | |
| CN110791725B (en) | Powder core wire material suitable for plasma spraying and coating preparation method | |
| CN105803378A (en) | Electric arc sprayed ferrous alloyed low temperature-resistant wear-resistant coating and preparation method thereof | |
| CN112246580A (en) | Coating process of wear-resistant and corrosion-resistant paint | |
| CN110340789A (en) | A kind of preparation process of stainless steel power distribution cabinet self-cleaning surface | |
| CN107937860A (en) | A kind of preparation method of argon arc remelting Fe base wearing layers | |
| TWI716170B (en) | Method for treating and phosphatizing metal board without acid | |
| CN104388875A (en) | Additive manufacturing process of roller | |
| CN107164714A (en) | A kind of method for repairing and mending containing titanium composite panel | |
| CN102108480A (en) | New hot spraying zinc anticorrosion process of steel tube rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140625 |