CN101117978A - Axle sleeve and bush for zinc plating pot roller and its making method - Google Patents
Axle sleeve and bush for zinc plating pot roller and its making method Download PDFInfo
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- CN101117978A CN101117978A CNA200710030081XA CN200710030081A CN101117978A CN 101117978 A CN101117978 A CN 101117978A CN A200710030081X A CNA200710030081X A CN A200710030081XA CN 200710030081 A CN200710030081 A CN 200710030081A CN 101117978 A CN101117978 A CN 101117978A
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- axle sleeve
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Abstract
The present invention relates to an axle sleeve, an axle bush and a manufacture method used on the zinc pot roller in the continuous hot dip galvanizing production line in steel and metallurgy fields. The method of oxygen-fuel gas spray welding or plasma spray welding or laser melting is adopted, the cobalt-based or cobalt-based wire stock or powder is sprayed or melted on the matching surface of the axle sleeve and the axle bush to form a surface strengthened layer with the thickness of 2 to 5 mm. The axle sleeve and the axle bush manufactured through the method of the present invention greatly enhances the zinc resistance or aluminum zinc corrosion and friction resistance performance, the combination performance is good, the present invention is not easy to break off, and the service life is lengthened. The method can be suitable for preparation of a thick coating layer, and is simple and convenient, the cost is lower, and the utilization cost and the production cost of the enterprise can be directly reduced. The method can be used as the processing method of the parts which are mutually contacted and have opposite motion in the similar zinc or aluminum zinc solution corrosion environment to lengthen the service life.
Description
Technical field
The present invention relates in a kind of Ferrous Metallurgy field in the continuous hot-dipping galvanizing production line zinc plating pot roller with axle sleeve, bearing shell and manufacture method thereof.This method also can be used as similar the military service and is in contact with one another in zinc or zinc-aluminium liquation corrosive environment and exists the processing method of the parts of relative movement to prolong its working life.
Background technique
Continuous hot-dipping galvanizing production line zinc pot member comprises sinking roller, two stable rollers and is assemblied in the bearing at these roller two ends and is used to support their support arm, all these members all are immersed in the zinc pot that is full of fused zinc or allumen liquation, and are on active service under the operating temperature about 470 ℃.Above-mentioned bearing is made up of axle sleeve and bearing shell, and its wear-resisting property relatively other member is low, will cause the steel band vibration by sinking roller and stable roller to strengthen as untimely replacing, reduces the quality of the zinc-plated or zinc-aluminium layer of steel strip surface.Therefore, the life-span of axle sleeve, bearing shell has determined production line stop to change the frequency of parts.
Be that sinking roller and its surface of stable roller of being on active service in fused zinc or zinc-aluminium liquation adopted carbide cermet material preparation coating layer usually and effectively improved wear-resisting property equally, with respect to steel band through these roller surfaces, the coating hardness of carbide cermet material preparation is higher, and consider it more is how to add other yuan usually to improve the anti-fused zinc of coating or the corrosivity of zinc-aluminium, prevent that the coating surface hard intermetallic compounds from forming the decline that causes immersion plating steel strip surface quality.Axle sleeve, bearing shell when bearing the corrosion of fused zinc or zinc-aluminium, also need to bear the active force of roller to it as a pair of friction pair, more are easy to generate heavy wear.At present, domestic a lot of iron and steel enterprises directly use axle sleeve, the bearing shell of the stainless steel processing of anti-zinc or the corrosion of zinc-aluminium liquation, and the life-span is about 7 days.Also have part enterprise to use the axle sleeve, the bearing shell that form with the centrifugal casting of cobalt base alloy integral body of import, the life-span can reach 14-21 days, but price is high.
Be to improve the working life of axle sleeve, bearing shell, the working surface that begins to appear at axle sleeve, bearing shell covers the technology of strengthened layer.A kind of sprayed on material of self-fluxing alloyed powder is disclosed as Chinese patent 00123692., with this material be sprayed on axle sleeve, the bearing shell surface forms coating, the life-span of improving axle sleeve, bearing shell.But this method is unfavorable for the preparation of thick coating, is subjected to the influence of deposition efficiency, and the raw material of wasting in the spraying process are higher.
Summary of the invention
The invention provides a kind of improved axle sleeve, bearing shell and manufacture method thereof, purpose is to overcome the defective that exists in the above-mentioned prior art, makes axle sleeve, bearing shell have stable corrosion-resistant and abrasion resistance properties, improve its working life, and cost is cheap relatively.
The zinc plating pot roller of realization the object of the invention with the technological scheme of axle sleeve, bearing shell manufacture method is:
Stainless steel material processing axle sleeve and bearing shell that step 1, the anti-zinc of employing or zinc-aluminium liquation corrosivity are good, the axle sleeve inner headed face keeps and sinking roller, required interference fit tolerance when stablize the installation of roller two end axles, and axle sleeve and bearing shell fitting surface are processed the surplus that is preserved for preparing surface strengthen layer respectively;
Step 2, adopt oxygen-combustion gas surfacing or plasma spray or laser cladding method, with strengthened layer material surfacing or cladding on axle sleeve, bearing shell surface, thereby the preparation surface strengthen layer, above-mentioned strengthened layer material is cobalt-based or Ni-based wire rod or powder;
Step 3, place atmosphere or shielding gas atmosphere or vacuum heat treatment furnace to carry out after-baking axle sleeve, bearing shell integral body;
Step 4, with axle sleeve, bearing shell through turning and grinding to equipment required size and surface finishment.
Oxygen described in the step 2-combustion gas method for spray-welding is acetylene or propane surfacing.
The chemical composition of the material of cobalt-based described in the step 2 consists of: 0.06-1.8%C, 8-30%Cr, 1.0-3.5%Si, 0-9%W, 1.5-3.0%Fe, 1.0-30%Mo, 1.5-3.0%Ni, other is Co, and it is to calculate according to weight percentage that above-mentioned chemical composition is formed.
The chemical composition of nickel-base material described in the step 2 consists of: 0.03-0.8%C, 4.0-16%Cr, 3.2-4.0%Si, 0-3.0%W, 1.2-15%Fe, 0.1-33.0%Mo, 0-3.5%B, other is Ni, and it is to calculate according to weight percentage that above-mentioned chemical composition is formed.
The thickness of the surface strengthen layer by step 2 preparation is 2.0-5.0mm, is preferably 3.0-4.5mm.
Heat-treatment temperature range described in the step 3 is 400-900 ℃, and the processing time is 1-10 hour, preferred heat treatment temperature 500-800 ℃, and processing time 1-5 hour.
According to a kind of zinc plating pot roller axle sleeve, bearing shell that said method is made, its technological scheme is:
A kind of zinc plating pot roller axle sleeve, bearing shell, its matrix is the stainless steel material of anti-zinc or the corrosion of zinc-aluminium liquation, axle sleeve, bearing shell fitting surface have surface strengthen layer, this surface strengthen layer is to adopt oxygen-combustion gas surfacing or plasma spray or laser cladding method, strengthened layer material surfacing or cladding are formed at axle sleeve, bearing shell surface, and the strengthened layer material is cobalt-based or Ni-based wire rod or powder.
The chemical composition of above-mentioned cobalt-based material consists of: 0.06-1.8%C, 8-30%Cr, 1.0-3.5%Si, 0-9%W, 1.5-3.0%Fe, 1.0-30%Mo, 1.5-3.0%Ni, other is Co, and it is to calculate according to weight percentage that above-mentioned chemical composition is formed.
The chemical composition of above-mentioned nickel-base material consists of: 0.03-0.8%C, 4.0-16%Cr, 3.2-4.0%Si, 0-3.0%W, 1.2-15%Fe, 0-33.0%Mo, 0-3.5%B, other is Ni, and it is to calculate according to weight percentage that above-mentioned chemical composition is formed.
The thickness of above-mentioned surface strengthen layer is 2.0-5.0mm, is preferably 3.0-4.5mm.
Beneficial effect of the present invention is: owing to be coated with the surface strengthen layer of one deck with cobalt-based or Ni-based preparation on the working surface of axle sleeve, bearing shell, to improve its corrosion-resistant and abrasion resistance properties greatly, its life-span is axle sleeve, the bearing shell of material far above stainless steel, meets or exceeds axle sleeve, bearing shell with the whole centrifugal casting of cobalt base alloy; Surface strengthen layer of the present invention is the matrix bond by surfacing or laser cladding method and axle sleeve, bearing shell, applicable to the preparation of thick coating, and difficult drop-off.The present invention will directly reduce the user cost of enterprise 50%, shut down the minimizing of changing the part frequency as considering, will reduce the cost of production of enterprise by a larger margin.
Embodiment
The invention will be further described below in conjunction with embodiment.
Among the embodiment Co base and Ni base alloy have been selected for use respectively as table 1 and three kinds of listed components of table 2:
Table 1
| Other chemical component of Co base alloy | |||||||||
| C | Cr | Si | W | Fe | Mo | Ni | Co | Impurity | |
| Co base-1 | 0.06 | 8.2 | 2.0 | 0 | 1.7 | 29.5 | 1.3 | All the other | ≤0.4 |
| Co base-2 | 1.2 | 27.5 | 1.3 | 4.5 | 2.5 | 0.7 | 3.2 | All the other | ≤0.3 |
| Co base-3 | 1.6 | 30.5 | 1.4 | 8.0 | 2.5 | 0.7 | 3.2 | All the other | ≤0.8 |
Table 2
| Ni base alloy component | |||||||||
| C | Cr | Si | W | Fe | Mo | B | Ni | Impurity | |
| Ni base-1 | 0.8 | 15.5 | 4.0 | 3.0 | 15.0 | 0 | 3.5 | All the other | ≤0.1 |
| Ni base-2 | 0.08 | 15.5 | 3.4 | 0 | 1.5 | 32.5 | 0 | All the other | ≤1.6 |
| Ni base-3 | 0.2 | 4.0 | 3.2 | 0 | 1.4 | 0.1 | 1.6 | All the other | ≤0.2 |
Embodiment's scheme is as follows:
| The preparation method | The selection of material | Post-processing temperature and time | Strengthened layer thickness | Surface finishment | |
| Embodiment 1 | Laser melting coating | Co base-1 | 500-800 ℃ * 1-5 hour | 4.5mm | Ra 1.25 |
| Embodiment 2 | Oxyacetylene welding | Co base-2 | 500-800 ℃ * 1-5 hour | 4.2mm | Ra 1.23 |
| Embodiment 3 | Plasma spray | Co base-3 | 500-800 ℃ * 1-5 hour | 3.8mm | Ra 1.3 |
| Embodiment 4 | Oxyacetylene welding | Ni base-1 | 500-800 ℃ * 1-5 hour | 4.35mm | Ra 1.28 |
| Embodiment 5 | Plasma spray | Ni base-2 | 500-800 ℃ * 1-5 hour | 3.96mm | Ra 1.4 |
| Embodiment 6 | Laser melting coating | Ni base-3 | 500-800 ℃ * 1-5 hour | 4.02mm | Ra 1.33 |
Through axle sleeve, the bearing shell that the foregoing description is handled, on the continuous hot-dipping galvanizing unit, test and show, resulting axle sleeve, bearing shell life-span all reach 3-5 times of life-span that stainless steel is a material.
The present invention can also be on active service as other and be in contact with one another and exist the processing of relative movement part in zinc or zinc-aluminium liquation corrosive environment, thereby reaches the purpose that increases the service life.
Claims (10)
1. a zinc plating pot roller is characterized in that may further comprise the steps with axle sleeve, bearing shell manufacture method:
Stainless steel material processing axle sleeve and bearing shell that step 1, the anti-zinc of employing or zinc-aluminium liquation corrosivity are good, the axle sleeve inner headed face keeps and sinking roller, required interference fit tolerance when stablize the installation of roller two end axles, and axle sleeve and bearing shell fitting surface are processed the surplus that is preserved for preparing surface strengthen layer respectively;
Step 2, adopt oxygen-combustion gas surfacing, plasma spray or laser cladding method, with strengthened layer material surfacing or cladding on axle sleeve, bearing shell surface, thereby the preparation surface strengthen layer, above-mentioned strengthened layer material is cobalt-based or Ni-based wire rod or powder;
Step 3, place atmosphere or shielding gas atmosphere or vacuum heat treatment furnace to carry out after-baking axle sleeve, bearing shell integral body;
Step 4, with axle sleeve, bearing shell through turning and grinding to equipment required size and surface finishment.
2. a kind of zinc plating pot roller axle sleeve according to claim 1, bearing shell manufacture method, it is characterized in that: the chemical composition of described cobalt-based material consists of: 0.06-1.8%C, 8-30%Cr, 1.0-3.5%Si, 0-9%W, 1.5-3.0%Fe, 1.0-30%Mo, 1.5-3.0%Ni, other is Co, and above-mentioned chemical composition is formed and counted by weight percentage.
3. a kind of zinc plating pot roller axle sleeve according to claim 1, bearing shell manufacture method, it is characterized in that: the chemical composition of described nickel-base material consists of: 0.03-0.8%C, 4.0-16%Cr, 3.2-4.0%Si, 0-3.0%W, 1.2-15%Fe, 0-33.0%Mo, 0-3.5%B, other is Ni, and above-mentioned chemical composition composition is counted by weight percentage.
According to claim 2 or 3 described a kind of zinc plating pot rollers with axle sleeves, bearing shell manufacture method, it is characterized in that: the thickness of the surface strengthen layer of preparation is 2.0-5.0mm, is preferably 3.0-4.5mm.
5. a kind of zinc plating pot roller axle sleeve according to claim 1, bearing shell manufacture method, it is characterized in that: described heat-treatment temperature range is 400-900 ℃, the processing time is 1-10 hour.
6. a kind of zinc plating pot roller axle sleeve according to claim 5, bearing shell manufacture method, it is characterized in that: described heat-treatment temperature range is 500-800 ℃, the processing time is 1-5 hour.
7. a kind of zinc plating pot roller of making according to the method for claim 1 is with axle sleeve, bearing shell, its matrix is the stainless steel material of anti-zinc or zinc-aluminium solution corrosion, it is characterized in that axle sleeve, bearing shell fitting surface have surface strengthen layer, this surface strengthen layer is to adopt oxygen-combustion gas surfacing or plasma spray or laser cladding method, strengthened layer material surfacing or cladding are formed at axle sleeve, bearing shell surface, and the strengthened layer material is cobalt-based or Ni-based wire rod or powder.
8. a kind of zinc plating pot roller axle sleeve according to claim 7, bearing shell, it is characterized in that: the chemical composition of described cobalt-based material consists of: 0.06-1.8%C, 8-30%Cr, 1.0-3.5%Si, 0-9%W, 1.5-3.0%Fe, 1.0-30%Mo, 1.5-3.0%Ni, other is Co, and above-mentioned chemical composition is formed and counted by weight percentage.
9. a kind of zinc plating pot roller axle sleeve according to claim 7, bearing shell, the chemical composition that it is characterized in that described nickel-base material consists of: 0.03-0.8%C, 4.0-16%Cr, 3.2-4.0%Si, 0-3.0%W, 1.2-15%Fe, 0-33.0%Mo, 0-3.5%B, other is Ni, and above-mentioned chemical composition composition is counted by weight percentage.
According to Claim 8 or 9 described a kind of zinc plating pot rollers with axle sleeves, bearing shell, it is characterized in that the thickness of described surface strengthen layer is 2.0-5.0mm, be preferably 3.0-4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710030081XA CN100473856C (en) | 2007-09-04 | 2007-09-04 | Axle sleeve and bush for zinc plating pot roller and making method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710030081XA CN100473856C (en) | 2007-09-04 | 2007-09-04 | Axle sleeve and bush for zinc plating pot roller and making method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101117978A true CN101117978A (en) | 2008-02-06 |
| CN100473856C CN100473856C (en) | 2009-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710030081XA Expired - Fee Related CN100473856C (en) | 2007-09-04 | 2007-09-04 | Axle sleeve and bush for zinc plating pot roller and making method thereof |
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| CN101947717A (en) * | 2010-09-03 | 2011-01-19 | 刘巨东 | Method for preparing composite worm or bearing bush |
| CN101985751A (en) * | 2010-12-10 | 2011-03-16 | 云南昆钢联合激光技术有限公司 | Motor mandrel surface strengthening layer compound technology |
| CN102240893A (en) * | 2011-05-27 | 2011-11-16 | 自贡市巨光硬面材料有限公司 | Technology for manufacturing hard alloy thin-wall shaft sleeve |
| CN103223596A (en) * | 2013-05-15 | 2013-07-31 | 山西潞安煤炭技术装备有限责任公司 | Micro-arc plasma cladding and machining integrated device for hydraulic support piston rod |
| CN103305839A (en) * | 2013-06-24 | 2013-09-18 | 叶绿均 | Ni-based self-fluxing alloy laser cladding coating |
| CN103305838A (en) * | 2013-06-24 | 2013-09-18 | 叶绿均 | Tube stock with Ni-based self-molten alloy laser cladding coating |
| CN103305840A (en) * | 2013-06-24 | 2013-09-18 | 叶绿均 | Preparation method of Ni-based self-fluxing alloy laser cladding coating |
| CN104046954A (en) * | 2014-06-13 | 2014-09-17 | 中国科学院金属研究所 | Method for improving liquid metal corrosion resistance of martensitic heat-resistant steel |
| CN104525945A (en) * | 2014-12-30 | 2015-04-22 | 广东省工业技术研究院(广州有色金属研究院) | Laser 3D printing manufacturing method of sink roller shaft sleeve bearing bush |
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| CN105170884A (en) * | 2014-05-22 | 2015-12-23 | 安徽工程大学 | Manufacturing method for surface strengthened layer of abrasion-resistant cast ball production die and die provided with surface strengthened layer |
| CN108115351A (en) * | 2016-11-30 | 2018-06-05 | 宝山钢铁股份有限公司 | A kind of flat head sleeve repair method of bores |
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| CN112412966A (en) * | 2019-08-20 | 2021-02-26 | 宝山钢铁股份有限公司 | Sliding bearing friction pair for hot-dip production line zinc pot roller based on mixed wear strategy |
| CN115255357A (en) * | 2022-08-05 | 2022-11-01 | 北京大陆天瑞激光工程技术有限公司 | Powder material for laser composite manufacturing of zinc pot shaft sleeve and manufacturing method thereof |
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- 2007-09-04 CN CNB200710030081XA patent/CN100473856C/en not_active Expired - Fee Related
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| CN101947717A (en) * | 2010-09-03 | 2011-01-19 | 刘巨东 | Method for preparing composite worm or bearing bush |
| CN101985751A (en) * | 2010-12-10 | 2011-03-16 | 云南昆钢联合激光技术有限公司 | Motor mandrel surface strengthening layer compound technology |
| CN102240893A (en) * | 2011-05-27 | 2011-11-16 | 自贡市巨光硬面材料有限公司 | Technology for manufacturing hard alloy thin-wall shaft sleeve |
| CN104662201A (en) * | 2012-09-24 | 2015-05-27 | 株式会社日本制钢所 | Coating structure material |
| US9604432B2 (en) | 2012-09-24 | 2017-03-28 | The Japan Steel Works, Ltd. | Coating structure material |
| CN103223596A (en) * | 2013-05-15 | 2013-07-31 | 山西潞安煤炭技术装备有限责任公司 | Micro-arc plasma cladding and machining integrated device for hydraulic support piston rod |
| CN103305839B (en) * | 2013-06-24 | 2015-11-25 | 朱兰英 | A kind of Ni base self-fluxing alloy laser cladding of coating |
| CN103305839A (en) * | 2013-06-24 | 2013-09-18 | 叶绿均 | Ni-based self-fluxing alloy laser cladding coating |
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| CN103305838A (en) * | 2013-06-24 | 2013-09-18 | 叶绿均 | Tube stock with Ni-based self-molten alloy laser cladding coating |
| CN105170884A (en) * | 2014-05-22 | 2015-12-23 | 安徽工程大学 | Manufacturing method for surface strengthened layer of abrasion-resistant cast ball production die and die provided with surface strengthened layer |
| CN104046954A (en) * | 2014-06-13 | 2014-09-17 | 中国科学院金属研究所 | Method for improving liquid metal corrosion resistance of martensitic heat-resistant steel |
| CN104525945A (en) * | 2014-12-30 | 2015-04-22 | 广东省工业技术研究院(广州有色金属研究院) | Laser 3D printing manufacturing method of sink roller shaft sleeve bearing bush |
| CN104525945B (en) * | 2014-12-30 | 2016-08-24 | 广东省工业技术研究院(广州有色金属研究院) | The laser 3D of a kind of dip-roll sleeve bearing shell prints manufacture method |
| CN108115351A (en) * | 2016-11-30 | 2018-06-05 | 宝山钢铁股份有限公司 | A kind of flat head sleeve repair method of bores |
| CN108544067A (en) * | 2018-03-22 | 2018-09-18 | 上海锅炉厂有限公司 | A kind of boiler-burner nozzle plasma arc powder surfacing technique |
| CN112412966A (en) * | 2019-08-20 | 2021-02-26 | 宝山钢铁股份有限公司 | Sliding bearing friction pair for hot-dip production line zinc pot roller based on mixed wear strategy |
| CN111304539A (en) * | 2020-04-09 | 2020-06-19 | 莆田学院 | High-speed high-power-density motor rotating shaft and preparation method thereof |
| CN111321356A (en) * | 2020-04-09 | 2020-06-23 | 莆田学院 | Laser additive manufacturing sink roller composite shaft sleeve and preparation method thereof |
| CN111304539B (en) * | 2020-04-09 | 2021-02-09 | 莆田学院 | High-speed high-power-density motor rotating shaft and preparation method thereof |
| CN115255357A (en) * | 2022-08-05 | 2022-11-01 | 北京大陆天瑞激光工程技术有限公司 | Powder material for laser composite manufacturing of zinc pot shaft sleeve and manufacturing method thereof |
| CN115255357B (en) * | 2022-08-05 | 2024-02-06 | 北京大陆天瑞激光工程技术有限公司 | Powder material for manufacturing zinc pot shaft sleeve by laser compounding and manufacturing method thereof |
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| CN100473856C (en) | 2009-04-01 |
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Free format text: CORRECT: ADDRESS; FROM: 510730 ROOM 207, 2/F, NO. 13 AND NO. 15, SHAWAN 2ND STREET, QINGNIAN ROAD, GUANGZHOU ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, GUANGZHOU CITY, GUANGDONG PROVINCE TO: 213000 301-1, TOWER B1, NORTH AREA OF INNOVATION SCIENCE AND TECHNOLOGY BUILDING, HIGH-TECH. INDUSTRIAL PARK, XINBEI DISTRICT, CHANGZHOU CITY, JIANGSU PROVINCE |
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Effective date of registration: 20110601 Address after: 213000 B1, block 301-1, innovation and technology building, Xinbei hi tech park, Xinbei District, Jiangsu, Changzhou Patentee after: Changzhou Gemini Machinery Co. Ltd. Address before: 510730, building 2, 13 / 15, two street, Shawan Road, Guangzhou economic and Technological Development Zone, Guangdong, Guangzhou, Qingnian Road, 207 Patentee before: Guangzhou Ruiyou Surface Technology Co., Ltd. |
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