CN2395820Y - Plasma beam scanning hardened metal roller - Google Patents
Plasma beam scanning hardened metal roller Download PDFInfo
- Publication number
- CN2395820Y CN2395820Y CN 99216724 CN99216724U CN2395820Y CN 2395820 Y CN2395820 Y CN 2395820Y CN 99216724 CN99216724 CN 99216724 CN 99216724 U CN99216724 U CN 99216724U CN 2395820 Y CN2395820 Y CN 2395820Y
- Authority
- CN
- China
- Prior art keywords
- hardened layer
- metal roller
- metal roll
- plasma beam
- roll
- 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.)
- Expired - Fee Related
Links
Landscapes
- Coating By Spraying Or Casting (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model relates to a metal roller which is characterized in that the outer surface of a metal roller (1) comprises a hardened layer (2) which is scanned and treated by a compressed argon arc plasma beam. The thickness of the hardened layer (2) is larger than 0 mm to 5 mm. The metal roller has the advantages of abrasion resistance under normal temperature and high temperature, long service life, no deformation of the roller in the course of hardening treatment, no damage to surface roughness, low cost and no environmental pollution.
Description
The utility model relates to a kind of metal roll, belongs to mechanical manufacturing field.
The metal roll is used for the pressure processing and the shaping of metal material, as rolled plate, shape material, roll bending, flattening etc., course of work roller surface is subjected to very big tired compression and frictional force, also be subjected to heat fatigue stress during hot rolling, in case the surface is subjected to wearing and tearing or fatigue rupture, then the whole piece roll just needs to change, and wastes very big.Metal rolls generally and is formed through casting or forging by spheroidal graphite cast-iron, high chromium nihard, carbon constructional quality steel, structural alloy steel, directly install and use after the machine-shaping or install and use after surperficial cure process, the method that is used for the roller surface sclerosis has swage top layer indefinite chill casting, laser surface hardening, surperficial mid frequency induction hardening, the whole heating quenching of resistance furnace, differential quenching, surface overlaying high-abrasive material, surface heat spraying (comprising oxy-acetylene spraying, plasma spraying, electric arc spraying and supersonic spray coating) wear heat-resistant material, cladding alloy layer etc.Swage indefinite chill casting only is used for grain roll, and casting back surface hardness height, is difficult to machining, the processing cost height; The laser surface hardening hardened layer is thin and equipment investment is big, maintenance cost is high; Surface mid frequency induction hardening, the whole heating quenching of resistance furnace, differential quenching method are applicable to structural carbon steel and structural alloy steel, but the laser quenching hardened layer poor heat resistance can not be used for hot rolling; Surface overlaying high-abrasive material cost height, and have the problem of Surface Machining difficulty; Sandblast is generally adopted in surface heat spraying pre-treatment, and environmental pollution is arranged, the coating processing difficulties, and the coating fatiguability peels off.
The purpose of this utility model is to overcome the deficiency of the roll of said method manufacturing, proposes a kind of metal roll of beam-plasma scanning sclerosis.
Structural feature of the present utility model be the outer surface layer of metal roll for compression argon arc plasma beam scan process after＞hardened layer that 0～5mm is thick.To be the plasma beam that produces with argon gas ionic discharge in plasmatorch do not do any pre-treatment in machine-shaping to its processing method or apply the metal roll outer surface that one deck contains the coating of elemental substances such as carbon, nitrogen, boron, silicon, rare earth, aluminium, titanium, vanadium, chromium, molybdenum, tungsten, zirconium, niobium in advance scans successively, the discharge type of used plasmatorch is the discharge of transferred arc formula, and promptly argon gas discharges between the central cathode of plasmatorch and the metal roll as anode.
According to following processing method, can spheroidal graphite cast-iron, high chromium nihard, carbon constructional quality steel, structural alloy steel through casting or forge and machine-shaping after the roll outer surface obtain two kinds of different＞hardened layers that 0～5mm is thick.
1. do the scanning of solid matter helical form with compression argon arc plasma beam at the roll outer surface of machine-shaping to the final size, the flow of argon gas is per hour 0.1～2 cubic metre, the power output of plasmatorch is 1～10 kilowatt, the plasmatorch nozzle-axis is vertical mutually with metal roll outer surface, nozzle is 2～20mm apart from roll outer surface distance, scan line speed is 50～10000mm/ minute, and scanning strip is the quench hardening band of spiral solid matter shape, arranges to form laser quenching hardened layer.Can also can directly install and use through grinding or polishing after the scanning.
2. be coated with one deck earlier at metal roll outer surface and contain carbon, nitrogen, boron, silicon, rare earth, aluminium, titanium, vanadium, chromium, molybdenum, tungsten, zirconium, the coating of elemental substances such as niobium, do the scanning of solid matter helical form with compression argon arc plasma beam at machine-shaping roll outer surface to the final size then, the flow of argon gas is per hour 0.1～2 cubic metre, the power output of plasmatorch is 1～10 kilowatt, the plasmatorch nozzle-axis is vertical mutually with metal roll outer surface, nozzle is 2～20mm apart from roll outer surface distance, scan line speed is 50～10000mm/ minute, scanning strip is that the multicomponent thermochemical treatment alloy of spiral solid matter shape quenches or the cladding hardenability band, arranges and forms quenching of multicomponent thermochemical treatment alloy or cladding hardened layer.Can also can directly install and use through grinding or polishing after the scanning.
The metal roll of handling with said method produces following good effect:
After 1 processing, it is that＞0～5mm, hardness number are the hardened layer of 40～60HRC that metal roll outer surface produces thickness according to the method described above, and the wear-resistant life-span of roll is improved.
After 2 processing, it is that＞0～5mm, hardness number are the hardened layer of 55～70HRC that metal roll outer surface produces thickness, and the anti-room temperature of roll and high temperature wear life-span are obviously improved, and has improved anti-surface stress fatigue and thermal fatigue property simultaneously according to the method described above.
Compare with other roller surface method for curing, advantage of the present utility model is: the degree of depth of roller surface hardened layer and hardness can be regulated to improve cure process efficient and to reduce cost according to the roll service condition, deface roughness not, wear-resistant and the anti-fatigue performance of sclerosis roll can satisfy all kinds of roll instructions for uses, non-environmental-pollution in the production process, roll is indeformable.
Accompanying drawing 1 is a profile of the present utility model, among the figure: 1-roll, 2-hardened layer.
Embodiment of the present utility model is as follows:
Embodiment 1 usefulness compression argon arc plasma beam is done the scanning of solid matter helical form at the 45 steel purl machine roller outer surfaces of external diameter 150mm length 2000mm, the flow of argon gas is per hour 0.5 cubic metre, the power output of plasmatorch is 2.4 kilowatts, the plasmatorch nozzle-axis is vertical mutually with metal roll outer surface, nozzle is 10mm apart from roll outer surface distance, scan line speed is 6000mm/ minute, scanning strip is the quench hardening band of spiral solid matter shape, arrange and form laser quenching hardened layer, the degree of depth of hardened layer is 0.2mm, surface hardness is 50HRC, directly install and use after the scanning, improve 1 times before wear-resistant life-span ratio is untreated, disposal cost is than used in the past mid frequency induction hardening low 1/2.
Embodiment 2
Embodiment 2 usefulness compression argon arc plasma beam is done the scanning of solid matter helical form at the high Minvar hot rolled slab finish to gauge roller outer surface of external diameter 340mm length 1000mm, earlier be coated with one deck by 10% graphite powder before the scanning at the roll outer surface, 5% rare earth, 10% dewatering borax, the aluminium powder of 60% chromium oxide powder and equivalent, 10% tungsten powder, the coating that 5% molybdenum powder is formed, the flow of argon gas is per hour 1.2 cubic metres, the power output of plasmatorch is 4 kilowatts, the plasmatorch nozzle-axis is vertical mutually with metal roll outer surface, nozzle is 12mm apart from roll outer surface distance, scan line speed is 300mm/ minute, scanning strip is the multicomponent thermochemical treatment cladding hardenability band of spiral solid matter shape, arrange and form alloy cladding hardened layer, the degree of depth of hardened layer is 4mm, surface hardness is 65HRC, scanning improves 1 times after slight grinding is installed and used before wear-resistant life-span ratio is untreated.
Claims (2)
1. the metal roll of beam-plasma scanning sclerosis is characterized in that after the outer surface of metal roll (1) contains useful compression argon arc plasma beam scan process＞hardened layer (2) that 0～5mm is thick;
2. metal roll according to claim 1 is characterized in that hardened layer is a compression argon arc beam-plasma scan flow laser quenching hardened layer, perhaps quenches or the cladding hardened layer for compression argon arc beam-plasma scan flow multicomponent thermochemical treatment alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99216724 CN2395820Y (en) | 1999-07-16 | 1999-07-16 | Plasma beam scanning hardened metal roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99216724 CN2395820Y (en) | 1999-07-16 | 1999-07-16 | Plasma beam scanning hardened metal roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2395820Y true CN2395820Y (en) | 2000-09-13 |
Family
ID=34008311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99216724 Expired - Fee Related CN2395820Y (en) | 1999-07-16 | 1999-07-16 | Plasma beam scanning hardened metal roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2395820Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301797C (en) * | 2004-04-27 | 2007-02-28 | 任光利 | Milling roller of flour mill, method for machining milling teeth on milling roller surface and use of milling roller |
| CN103388056A (en) * | 2013-07-18 | 2013-11-13 | 江苏和昊激光科技有限公司 | Method for improving performances of outer cylinder wall of cylindrical pressure vessel by high-energy laser |
| CN106398331A (en) * | 2016-08-31 | 2017-02-15 | 中钢集团邢台机械轧辊有限公司 | Centrifugal compound high-speed steel roller end surface thermal treatment coating, and preparation method and application method thereof |
| 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 |
-
1999
- 1999-07-16 CN CN 99216724 patent/CN2395820Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301797C (en) * | 2004-04-27 | 2007-02-28 | 任光利 | Milling roller of flour mill, method for machining milling teeth on milling roller surface and use of milling roller |
| CN103388056A (en) * | 2013-07-18 | 2013-11-13 | 江苏和昊激光科技有限公司 | Method for improving performances of outer cylinder wall of cylindrical pressure vessel by high-energy laser |
| CN106398331A (en) * | 2016-08-31 | 2017-02-15 | 中钢集团邢台机械轧辊有限公司 | Centrifugal compound high-speed steel roller end surface thermal treatment coating, and preparation method and application method thereof |
| CN106398331B (en) * | 2016-08-31 | 2019-12-03 | 中钢集团邢台机械轧辊有限公司 | A kind of centrifugal compound high-speed steel roll end face is heat-treated coating and preparation method thereof and application method |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101716594B (en) | Production process of precise stainless steel band for vehicle sealing pad | |
| CN101716595B (en) | Process for producing accurate stainless steel band applied in electronic industry | |
| CN106756742B (en) | A kind of electric spark deposition method for metal roller surface peening coating | |
| CN100547112C (en) | The manufacture method of the clad steel plate of stainless steel coated carbon steel | |
| CN110539140B (en) | Production method of super-thick steel plate for pre-hardened plastic mold | |
| CN103614687A (en) | Preparation technique of continuous casting crystallizer copper plate surface cermet coating | |
| US7028748B2 (en) | Cast-rolling plant | |
| CN102019292A (en) | Preparation method of titanium-steel composite plate thin strip | |
| CN110438314B (en) | Production method of steel containing B | |
| CN2395820Y (en) | Plasma beam scanning hardened metal roller | |
| CN103774058B (en) | For the guide wheel preparation method of high precision KOCKS guide assembly | |
| CN109570238B (en) | Roller surface roughness strengthening and optimal control method | |
| CN101856778B (en) | Method for repairing continuous casting and rolling roller of aluminum pole | |
| CN113005269A (en) | Production method of precipitation hardening stainless steel precision strip steel for precision electronic products | |
| CN102181799B (en) | Press roll for pressing secondary battery electrode and producing process thereof | |
| CN111872149A (en) | ESP-based dynamic variable rule slab performance gradient distribution forming method | |
| CN1312315C (en) | Process for surface treatment of alloy roller and its mfg. method | |
| CN116536488A (en) | Wear-resistant steel plate and electric heating quenching method thereof | |
| RU2613266C1 (en) | Method of producing hammer for shredding plant | |
| CN101745788B (en) | Method for manufacturing continuous casting and rolling roller of aluminum wire rod | |
| JP2012184471A (en) | Forging roll meeting requirement of cold rolling industry and method for manufacturing the same | |
| Korotkov et al. | Investigations into plasma quenching | |
| CN2334885Y (en) | Plasma beam hardened cylinder sleeve for internal combustion engine | |
| CN113118218B (en) | Production method of super-hard precise stainless steel strip sand blasting roughened surface for elastic sheet | |
| CN115652205B (en) | Non-quenched and tempered crankshaft steel not easy to crack and surface quality control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |