CN100363153C - Process composition for steelrail grinding wheel - Google Patents
Process composition for steelrail grinding wheel Download PDFInfo
- Publication number
- CN100363153C CN100363153C CNB2006100377183A CN200610037718A CN100363153C CN 100363153 C CN100363153 C CN 100363153C CN B2006100377183 A CNB2006100377183 A CN B2006100377183A CN 200610037718 A CN200610037718 A CN 200610037718A CN 100363153 C CN100363153 C CN 100363153C
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- Prior art keywords
- grinding
- grinding wheel
- rail
- lime
- polishing
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Abstract
The present invention discloses a process formulation for a grinding wheel for grinding a steel rail, which is characterized in that the grinding wheel is made from 13 to 17% of silicon carbide, 5 to 7% of resin powder, 12 to 15% of yellow iron dust, 5 to 8% of cryolite and 2 to 5% of lime by weight, and the rest is zirconium steel jade, wherein the adopted zirconium steel jade is one of 14# to 40# or a mixture of the 14# to 40#, and the silicon carbide, the resin powder, the yellow iron dust, the cryolite and the lime all adopt 200#. After being stirred thoroughly and uniformly and pressed into a blank, the grinding wheel is made through high temperature sintering. A binding agent of the grinding wheel made by the formulation is fully liquefied under high temperature melting to wrap abrasive particles uniformly, and the manufactured grinding wheel has the advantages of small hardness deviation, favorable self sharpening and grinding performance, high grinding fineness and long service life. When the grinding wheel is used on a grinding train, not only the work efficiency of grinding can be increased, but also the phenomena of steel rail burning and cracking, grinding wheel clogging and rupturing, etc. can be avoided.
Description
Technical field: the present invention relates to a kind of emery wheel, relate in particular to a kind of steel rail grinding emery wheel.
Technical background: along with the fast development of World Economics, the ability of railway transportation constantly improves, rail undulatory wear and contact fatigue can occur in long-term the use, phenomenons such as serious meeting produces and scales off, cracking, the Chinese Railway rail finds that the earliest undulatory wear is greatly before and after nineteen sixty, can only adopt passive measure to substitute rail at that time, and so not only influence the ability of railway transportation, and increased the cost of railway transportation.First steel rail grinding train in the world made by Speno company from the sixties, rail is polished, with the undulatory wear of eliminating rail and the contact fatigue of controlling rail, prevent phenomenons such as the rail generation scales off, cracking, so not only improve the service life of rail, and can not influence the time and the cost of railway transportation.According to the purpose and the effect of steel rail grinding, steel rail grinding mainly is divided into corrective polishing, maintainability polishing, preventative polishing, rail is polished in advance and five types of asymmetric polishings of rail.During use, the polishing train drives workpiece polishing mechanism and advances on rail with a certain speed of travel, form the relative feed movement between grinding head and the rail, polishing motor direct-drive polishing emery wheel rotation on the workpiece polishing mechanism, and grinding head is applied certain pressure by hydraulic mechanism, realize exert pressure polishing and grinding, and the grinding head of this workpiece polishing mechanism can adjust, and polishes with each position of satisfying the rail surface profile to rail.The quality quality of emery wheel of wherein polishing directly influences the operating efficiency of workpiece polishing mechanism, the polishing parameter of polishing emery wheel mainly is subjected to the operation speed of travel of train and the influence of polishing pressure, speed is crossed the low rail scorch that easily causes, the too high steel rail grinding decrease in efficiency that easily causes of speed, the best operation speed of travel of China's rail is generally 3-7Km/h; Polishing pressure is big more, grinding efficiency is just high more, but pressure surpasses 2KN, to influence the polishing quality, the rail surface is prone to phenomenon such as turn blue, and simultaneously motor temperature is sharply risen, influence normal operation, if and be lower than 1.1KN, then grinding efficiency is too low, thus the polishing pressure generally between 1.1-2.0KN.At present, China's polishing polishing emery wheel that train adopted mainly is homemade plain wheel, because the adhesive that this emery wheel adds in the process of making is more, the hardness deviation is big between the product of producing, self-sharpening energy and grinding performance are poor, because 24 or 48 of the general employings of polishing train are worked simultaneously, so not only influence the operating efficiency of polishing, and can cause rail burn, crackle, emery wheel clogging, in use be prone to fracture phenomena in addition.
Summary of the invention: the object of the present invention is to provide a kind of energy to satisfy the rail grinding abrasive disk that the polishing train uses, because this rail grinding abrasive disk hardness deviation is little, self-sharpening energy and grinding performance are good, not only can improve the operating efficiency of polishing during use, and can not cause rail burn, crackle, emery wheel to stop up and phenomenon such as break, in use be not prone to fracture phenomena in addition.
The present invention is achieved in that a kind of rail grinding abrasive disk, it is characterized in that: by weight is the carborundum of 13-17%, the resin-oatmeal of 5-7%, the pyrite dust of 12-15%, the ice crystal of 5-8% and the lime of 2-5%, all the other are formed for fused alumina zirconia, finish through technologies such as mixing, base and sintering.
The present invention compared with prior art has following advantage:
1. because this emery wheel urges the tip-off bond fully to liquefy at high temperature, evenly wrap and abrasive particle, the emery wheel hardness deviation of making is little, and self-sharpening energy and grinding performance are good, grinding accuracy height, long service life.
2. adopt this rail grinding abrasive disk on the polishing train, to use and not only can improve the operating efficiency of polishing, and can not cause rail burn, crackle, emery wheel to stop up and phenomenon such as break.
3. reduced production cost, the price of this product only is half of imported product.
The specific embodiment: a kind of technical recipe of rail grinding abrasive disk, it is characterized in that: by weight is the carborundum of 13-17%, the resin-oatmeal of 5-7%, the pyrite dust of 12-15%, the ice crystal of 5-8% and the lime of 2-5%, all the other are formed for fused alumina zirconia, stir, after being pressed into blank, form through high temperature sintering.
The carborundum of example 1:13%, 5% resin-oatmeal, 12% pyrite dust, 5% ice crystal and 2% lime, all the other are fused alumina zirconia, stir, be pressed into blank after, form through high temperature sintering.
The carborundum of example 2:15.6%, 6.6% resin-oatmeal, 13.7% pyrite dust, 6.8% ice crystal and 3.7% lime, all the other are fused alumina zirconia, stir, be pressed into blank after, form through high temperature sintering.
The carborundum of example 3:17%, 7% resin-oatmeal, 15% pyrite dust, 8% ice crystal and 5% lime, all the other are fused alumina zirconia, stir, be pressed into blank after, form through high temperature sintering.
The fused alumina zirconia that is adopted is a kind of or its mixture among the 14#-40#, and carborundum, resin-oatmeal, pyrite dust, ice crystal and lime all adopt 200#, and it is the best in quality to mix latter made emery wheel.
Claims (3)
1. rail grinding abrasive disk, it is characterized in that: raw material is the carborundum of 13-17%, the resin-oatmeal of 5-7%, the pyrite dust of 12-15%, the ice crystal of 5-8% and the lime of 2-5% by weight, all the other are that fused alumina zirconia is formed.
2. a kind of rail grinding abrasive disk according to claim 1 is characterized in that: the fused alumina zirconia that is adopted is a kind of or its mixture among the 14#-40#.
3. a kind of rail grinding abrasive disk according to claim 1, it is characterized in that: carborundum, resin-oatmeal, pyrite dust, ice crystal and lime all adopt 200#.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100377183A CN100363153C (en) | 2006-01-11 | 2006-01-11 | Process composition for steelrail grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100377183A CN100363153C (en) | 2006-01-11 | 2006-01-11 | Process composition for steelrail grinding wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1814566A CN1814566A (en) | 2006-08-09 |
| CN100363153C true CN100363153C (en) | 2008-01-23 |
Family
ID=36906949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100377183A Expired - Fee Related CN100363153C (en) | 2006-01-11 | 2006-01-11 | Process composition for steelrail grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100363153C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100482418C (en) * | 2007-09-20 | 2009-04-29 | 武汉法山磨料磨具有限公司 | Resin abrasive wheel containing teflon dry-grinding lubricant agent and manufacturing method thereof |
| CN101774159A (en) * | 2010-02-25 | 2010-07-14 | 苏州远东砂轮有限公司 | Heavy-load abraded steel rail resin combined grinding wheel and manufacturing method thereof |
| CN102343560B (en) * | 2011-10-20 | 2016-03-30 | 宁波大华砂轮有限公司 | A kind of resin wheel and preparation method thereof |
| CN102653078B (en) * | 2012-05-16 | 2014-11-26 | 常州市洪福砂轮有限公司 | Resin sand wheel containing sulfuric acid slag for milling steel rail |
| CN103406838B (en) * | 2013-08-22 | 2016-01-13 | 镇江市砺河磨具有限公司 | Mill rail emery wheel of a kind of low grinding flue dust and preparation method thereof |
| CN105856082B (en) * | 2016-06-08 | 2018-11-27 | 倪玉明 | A kind of railway steel rail polishing grinding wheel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO115064B1 (en) * | 1996-09-20 | 1999-10-29 | S.C. "Abrom" S.A. | Process for producing abrasive, ceramic or bakelite bodies |
| CN1447869A (en) * | 2000-07-17 | 2003-10-08 | 林辛格机械制造有限公司 | Method for grinding rail and device for carrying out said method |
| CN1509842A (en) * | 2002-12-23 | 2004-07-07 | 陈宝福 | Formula for superhard steels cut pieces and manufacturing method thereof |
| CN1579709A (en) * | 2003-08-14 | 2005-02-16 | 马林召 | High strength grinding wheel and its preparation method |
| EP1570021A2 (en) * | 2002-12-10 | 2005-09-07 | Treibacher Schleifmittel GmbH | Abrasive with improved abrasive properties |
-
2006
- 2006-01-11 CN CNB2006100377183A patent/CN100363153C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO115064B1 (en) * | 1996-09-20 | 1999-10-29 | S.C. "Abrom" S.A. | Process for producing abrasive, ceramic or bakelite bodies |
| CN1447869A (en) * | 2000-07-17 | 2003-10-08 | 林辛格机械制造有限公司 | Method for grinding rail and device for carrying out said method |
| EP1570021A2 (en) * | 2002-12-10 | 2005-09-07 | Treibacher Schleifmittel GmbH | Abrasive with improved abrasive properties |
| CN1509842A (en) * | 2002-12-23 | 2004-07-07 | 陈宝福 | Formula for superhard steels cut pieces and manufacturing method thereof |
| CN1579709A (en) * | 2003-08-14 | 2005-02-16 | 马林召 | High strength grinding wheel and its preparation method |
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| Publication number | Publication date |
|---|---|
| CN1814566A (en) | 2006-08-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20140111 |