CN101239382B - Abrasion-proof composite roller, board and manufacturing method thereof - Google Patents
Abrasion-proof composite roller, board and manufacturing method thereof Download PDFInfo
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- CN101239382B CN101239382B CN2008100449528A CN200810044952A CN101239382B CN 101239382 B CN101239382 B CN 101239382B CN 2008100449528 A CN2008100449528 A CN 2008100449528A CN 200810044952 A CN200810044952 A CN 200810044952A CN 101239382 B CN101239382 B CN 101239382B
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Abstract
The invention discloses an abrasion-proof complex roller, plate and a producing method thereof. The device thereof comprises a metal base of the roller and the plate, a porous ceramal framework covers the working surface of the metal base. The metal on the working surface of the metal base and the porous ceramal framework are heated and melt to be a metallurgically combined integral. The invented abrasion-proof roller and plate greatly improve and increase integral abrasion-proof property and compression resistance of the complex working surface, the service life is improved by 3-5 times, metal cost is decreased by 2 times compared with parts produced by casting forge work heating processing or intensifying wearing resistance property by weld deposit. The optimal price performance can be obtained by reasonable allocation of prefabricated frameworks, and the problem that the uneven allocation of hard phase and the ratio is difficult to be controlled so that the quality is difficult to be guaranteed during particle direct permeation complex production is solved.
Description
Technical field
The present invention relates under the wear-resisting situation of high stress material abrasion roller in broken, the grinding material equipment or roller plate and preparation method thereof.
Background technology
General industrial and mineral industry, as building material cement, metallurgical, industries such as mining, the industrial material processing procedure is used and is generally adopted roll squeezer, Vertical Mill, disintegrating machine, machinery and equipment such as grinding machine, there are a large amount of metal consumptions in fragmentation and the grinding process, common material is difficult to bear high workload stress and abrasive wear, the metal casting forge piece that present solution has a height alloy formula directly or use after Overheating Treatment, metal material is protected in advance through import or the built-up welding of homemade alloy wlding, but result of use is all undesirable, even can not satisfy the minimum requirements of the use of industry and mining equipment: have only 500～8000h service life, do not reach the requirement of the rate of wear＜1mm/1000h; Metal wastage is big, the use cost height; Replacing frequency height influences operation rate etc., seriously restricts the performance of industrial and mining enterprises' production capacity, and direct economic benefit is affected.
In the existing research, for the wearability that increases metal can increase the ceramic structure layer usually in the metal surface, that the method that the ceramic structure layer combines with metal has usually is bonding, centrifugal burning and vacuum fusion etc.Described in Chinese invention patent 01130196.1 and 00119873.4.Yet, because roller or roller plate are operated under the heavily stressed situation, adopt above-mentioned mode to meet ceramic layer and can not satisfy heavily stressed requirement, broken easily the damage.And the enormous size of roller that uses in the roll squeezer and roller plate adopts above-mentioned technology also to be difficult for ceramic layer is compounded on the metallic matrix.
Summary of the invention
The objective of the invention is to: provide that a kind of anti-wear performance is good, the abrasion-proof composite roller of long service life, plate and manufacture method thereof.
Technical scheme of the present invention is:
A kind of abrasion-proof composite roller, plate, the metallic matrix that comprises roller, plate, it is characterized in that: on the working lining of metallic matrix, be coated with the porous alloy ceramic skeleton, merge the integral body that forms metallurgical binding again after metal on the working face of metallic matrix and the heating of porous alloy ceramic skeleton.
A kind of method of making above-mentioned abrasion-proof composite roller, plate is characterized in that the method includes the steps of:
A. the porous alloy ceramic skeleton is preset at the working lining on the metallic matrix, preheating is 3～10 hours under 150～800 ℃ condition;
B. metallic matrix is heated to 1200～1700 ℃ and forms liquid state, adopt centrifugal or vacuum casting technology and the fusion of porous alloy ceramic skeleton, form the integral body of metallurgical binding.
The voidage of the porous alloy ceramic skeleton that preferably, uses in the said method is 15～85%.
Preferably, above-mentioned porous alloy ceramic skeleton is a kind of in orifice plate, web plate or the cystosepiment.
Preferably, select the alloy material that can merge mutually during the alloy material in selecting the porous alloy ceramic skeleton for use for use with metal matrix material.
The invention has the beneficial effects as follows: greatly improve compound working lining (face) whole wear-resistant or wearability and compression strength, service life, the parts than the method manufacturing of processing of existing casting Forge Heating or built-up welding reinforced wear-resistant improved 3～5 times, reduced metal consumption more than 2 times; Can realize the arbitrary volume ratio of working lining hard phase easily by the reasonable distribution of precast framework,, realize the best ratio of performance to price in order to realize ideal distribution and the ratio under different service conditions or the operating mode; Solve particle and directly permeated the wayward and difficult problem that is difficult to ensure the quality of products of composite algorithm manufacture process hard phase skewness and ratio.
Description of drawings
Fig. 1 is the side view of abrasion-proof composite roller of the present invention.
Fig. 2 is the porous alloy ceramic skeleton schematic diagram of orifice plate shape.
Fig. 3 is the porous alloy ceramic skeleton schematic diagram of web plate shape.
Fig. 4 is the schematic diagram of abrasion-proof composite roller plate of the present invention.
Wherein, Reference numeral: 1 is metallic matrix, and 2 is working lining, and 3 is the porous alloy ceramic skeleton, and 4 is abrasion-proof composite roller, and 5 is the porous alloy ceramic skeleton, and 6 is the abrasion-proof composite roller plate.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
Specific embodiments of the invention 1 are processed abrasion-proof composite roller 4.
Preferred metal or the nonmetal high hardness wear-resisting ceramal that matches with base material is as WC, Ag
2O
3, SiC, ZrC, BeO, CaO, MgO, TiC, VC, SiO
2, ZrO
2, SiN
4, B
4C, NbC etc. make porous alloy ceramic skeleton 3, and porous alloy ceramic skeleton 3 can be forms such as orifice plate, web plate or cystosepiment, shown in Fig. 2,3.The working lining profile and the dimensional requirement of its size conforms roller (plate).The final porous alloy ceramic skeleton 3 that forms is good with the condition that satisfies voidage (volume ratio) 15～85%, macrohardness HRC73～115, microhardness HV1100～4000, compression strength＞1000MPa.
The porous alloy ceramic skeleton 3 that forms is preset at working lining 2 on the metallic matrix 1, and preheating is 3～10 hours under 150～800 ℃ condition; Then metallic matrix 1 is heated to 1200～1700 ℃ and forms liquid state, adopt common centrifugal or vacuum casting technology to merge, the dissolving of ceramal skeleton surface dispersion, the integral body of formation metallurgical binding improves and improves the matrix alloy component ratio, as shown in Figure 1.Simultaneously, carbide alloy part disperse dissolving improves and improves the matrix alloy component ratio, the working lining thickness 10～80mm of formation, and hardness reaches HRC58 above (controlled), compression strength＞1000MP.
Can realize working lining hard arbitrary volume ratio (10～65%) mutually easily by combination and the reasonable distribution of selecting porous alloy ceramic skeleton 3 kinds and precast framework, in order to realize ideal distribution and the ratio under different service conditions or the operating mode, realize the best ratio of performance to price; Solve particle thus and directly permeated the wayward and difficult problem that is difficult to ensure the quality of products of composite algorithm manufacture process hard phase skewness and ratio.
Specific embodiments of the invention 2 are processed an abrasion-proof composite roller plate 6.
To embodiment 1 similar formation porous alloy ceramic skeleton 5, then the porous alloy ceramic skeleton 5 that forms is preset at the working lining on abrasion-proof composite roller plate 6 metallic matrixes, preheating is 3～10 hours under 150～800 ℃ condition; After then abrasion-proof composite roller plate 6 metallic matrixes being heated to 1200～1700 ℃ of formation liquid state, the mode of employing vacuum casting technology forms the integral body of metallurgical binding, and wear-resistant composite board is made as shown in Figure 4.
Should preferentially select the alloy material that can merge mutually for use when selecting the alloy material in the porous alloy ceramic skeleton 5 in the above-described embodiments for use with the parent metal material.
Above-mentioned abrasion-proof composite roller, plate are tried out by industry, and its contrast rate of wear eases down to＜1mm/1000h, and surpass 40000h service life, need not in the operating period to change, and safeguards and simply reduce downtime, and running rate can improve 10 percentage points.
Claims (5)
1. an abrasion-proof composite roller, plate, the metallic matrix that comprises roller, plate, it is characterized in that: on the working face of metallic matrix, be coated with the porous alloy ceramic skeleton, merge the integral body that forms metallurgical binding again after metal on the working face of metallic matrix and the heating of porous alloy ceramic skeleton.
2. method of making the described abrasion-proof composite roller of claim 1, plate is characterized in that the method includes the steps of:
A. the porous alloy ceramic skeleton is preset at the working surface layers on the metallic matrix, preheating is 3～10 hours under 150～800 ℃ condition;
B. metallic matrix is heated to 1200～1700 ℃ and forms liquid state, adopt centrifugal or vacuum casting technology and the fusion of porous alloy ceramic skeleton, form the integral body of metallurgical binding.
3. the method for manufacturing abrasion-proof composite roller according to claim 2, plate is characterized in that the voidage of porous alloy ceramic skeleton is 15～85%.
4. the method for manufacturing abrasion-proof composite roller according to claim 2, plate is characterized in that, the porous alloy ceramic skeleton is a kind of in orifice plate, web plate or the cystosepiment.
5. the method for manufacturing abrasion-proof composite roller according to claim 2, plate is characterized in that alloy material in the porous alloy ceramic skeleton and metal matrix material can merge mutually.
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| CN2008100449528A CN101239382B (en) | 2008-03-12 | 2008-03-12 | Abrasion-proof composite roller, board and manufacturing method thereof |
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| CN2008100449528A CN101239382B (en) | 2008-03-12 | 2008-03-12 | Abrasion-proof composite roller, board and manufacturing method thereof |
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| CN101239382A CN101239382A (en) | 2008-08-13 |
| CN101239382B true CN101239382B (en) | 2010-06-02 |
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| CN102225469B (en) * | 2011-06-07 | 2013-01-09 | 南通高欣金属陶瓷复合材料有限公司 | Ceramic grid-enhanced metal wear-resistant composite and preparation method thereof |
| US9649686B2 (en) * | 2012-02-22 | 2017-05-16 | General Electric Company | Casting preforms and methods of use thereof |
| CN103495840B (en) * | 2013-09-27 | 2016-06-29 | 新兴铸管股份有限公司 | The production method of double-layer alloy composite plate |
| CN105562149A (en) * | 2014-10-11 | 2016-05-11 | 河北泰铭投资集团有限公司 | Nonmetal-metal multiphase composite ultrahigh-wear resisting roll sleeve and manufacturing method thereof |
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| CN104439192B (en) * | 2014-11-04 | 2017-05-31 | 昆明理工大学 | A kind of ceramic honeycomb metallic composite grinding roller of vertical mill preparation method |
| CN105709881B (en) * | 2014-12-02 | 2019-12-13 | 河北泰铭能源集团有限公司 | Nonmetal-metal static multilayer composite ultrahigh wear-resistant grinding disc tile and manufacturing method thereof |
| CN107150111B (en) * | 2017-05-12 | 2019-06-18 | 昆明理工大学 | A kind of centrifugal casting prepares the process of wear-resisting extruding roll sleeve |
| CN107457536A (en) * | 2017-08-24 | 2017-12-12 | 昆明理工大学 | A kind of manufacture craft of ceramic reinforced metal base Compound Extrusion roller |
| CN113618034B (en) * | 2021-07-30 | 2023-05-05 | 江苏徐工工程机械研究院有限公司 | Preparation method of conveying pipe and conveying pipe |
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| CN1676242A (en) * | 2005-02-01 | 2005-10-05 | 济南大学 | Method and apapratus for preparing network ceramic skeleton reinforced metal-base composite material |
| CN1772710A (en) * | 2005-11-07 | 2006-05-17 | 北京科技大学 | Production process of composite steel pipe with cermet lining |
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| CN1133902A (en) * | 1995-04-21 | 1996-10-23 | 中国科学院兰州化学物理研究所 | Method for preparing ceramic coat on surface of steel sheet |
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