CN1810420A - Making process of tool with single layer of super hard abrasive - Google Patents
Making process of tool with single layer of super hard abrasive Download PDFInfo
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- CN1810420A CN1810420A CN 200510032917 CN200510032917A CN1810420A CN 1810420 A CN1810420 A CN 1810420A CN 200510032917 CN200510032917 CN 200510032917 CN 200510032917 A CN200510032917 A CN 200510032917A CN 1810420 A CN1810420 A CN 1810420A
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Abstract
The making process of tool with single layer of super hard abrasive includes the following steps: mixing two or three kinds of metal powder of Ni, Al and Ti in certain weight proportion while adding other metal powder of Mo, Mn and Sn or non-metal powder of B, Si and P to prepare mixed powder; mixing super hard abrasive with the mixed powder to prepare mixed super hard abrasive powder; setting the mixed super hard abrasive powder on tool base; heating to ignite the mixed super hard abrasive powder to form the single layer of super hard abrasive and to make the tool with single layer of super hard abrasive. The making process has fast reaction speed, in-situ synthesis of the product, simple technological process and low cost, and is easy to realize in industrial production.
Description
Technical field
The present invention relates to a kind of manufacture method of tool with single layer of super hard abrasive.
Background technology
Grinding tool wearability and the working (machining) efficiency made by superhard material (diamond or cubic boron nitride) are the highest, have been widely used in nearly all metal processing and nonmetal processing industry.At present, tool made of superhard material mainly is to use bond (metal, pottery, resin etc.) sintering on tool base superhard material, or individual layer is electroplated at matrix surface.Plate owing to belong to machinery between superhard material and the bond, can not firmly control the superhard material particle, cause instrument superhard material in the instrument process to come off during at height of protrusion less than particle diameter 1/2 except that broken, the overwhelming majority that fractures.Superhard material has in fact only been brought into play 20% of its task performance, and 80% expensive superhard material is difficult to be recycled after coming off.Electroplate tool with single layer of super hard abrasive, preparation is easy, and it is good to go out sword, and cutting power is strong, need not finishing, and it is the most convenient to use.These advantages make it occupy sizable share in the production of super hard abrasive instrument with in using always, at a high speed particularly in the superhigh speed grinding processing, in occupation of incontrovertible leading position.Yet electroplating the most outstanding defective of individual layer emery wheel is that the electroplating abrasion wheel bond strength is not high.On the interface of coated metal and matrix and abrasive material owing to do not exist firm chemical metallurgy to combine, abrasive material just is embedded in the coated metal by the mechanical type embedding, thereby hold is little, in the heavier high efficient grinding operation of load, emery wheel comes off because of abrasive particle easily or the coating flaking causes global failure.In order to increase hold, must increase thickness of coating, reduce the exposed height of abrasive particle, but will cause chip space to reduce like this, emery wheel stops up easily.More seriously, use electroplating abrasion wheel can bring the serious environmental pollution problem undoubtedly, be unfavorable for the sustainable development of national economy.
For giving full play to the advantage of tool with single layer of super hard abrasive, substitute novel individual layer high temperature brazing super hard abrasive (diamond and the CBN) instrument of electroplating technology with high temperature brazing, attempt on combination interface, to realize the chemical metallurgy combination, fundamentally improve abrasive material, bond (brazing alloy material), the triangular bond strength of matrix, interface bond strength is high, the exposed height of abrasive material can reach the 70%-80% of abrasive particle height, chip space between abrasive particle is big, can bear bigger load in the high speed, high efficiency grinding.But at present relevant high temperature brazing manufactured tool with single layer of super hard abrasive or require high-quality diamond, or technology is loaded down with trivial details, and the restriction service condition is many, or is difficult to realize stable production when reality is used.
Summary of the invention
The objective of the invention is the manufacture method of above-mentioned tool with single layer of super hard abrasive is improved, the manufacturing new method of the simple tool with single layer of super hard abrasive of a kind of technology is provided.Compare with traditional method, combustion synthesis method, the distinguishing feature that is self propagating high temperature synthetic method (SelfPropagating High temperature Synthesis is called for short SHS) preparation material new technology is: technology is simple, process time short (can finish in several seconds); Synthetic pollutes few, the purity height; Maximally utilise the chemical energy in the material building-up process, energy savings; Energy logging material synthesizes and is sintered to one.
The method that provides a kind of problem of oxidation that reduces in the course of reaction that welding quality is impacted is provided.
Further purpose of the present invention also is to produce grinding performance height, single layer of super hard abrasive goods that cost is low.
Single layer of super hard material working tool manufacture method provided by the invention comprises the steps:
(1) by Ni, Al, Ti arbitrarily between the two or three's metal powder evenly mix according to a certain percentage, but adding proportion is prepared into mixed powder less than 15% other metals (Mo, Mn, Sn etc.) or nonmetal (B, Si, P etc.) during mixing;
(2) super hard abrasive is evenly mixed with mixed powder, be prepared into the super hard abrasive mixed powder;
(3) the super hard abrasive mixture is placed on the tool base;
(4) light the super hard abrasive mixed powder with firing equipment;
(5) make single layer tools.
The ratio of metal powder Ni of the present invention and Al is 1: 1～3: 1 or 1: 1～1: 3, and the ratio of Ni and Ti is 1: 1～3: 1 or 1: 1～1: 2, and the ratio of Al and Ti is 1: 1～3: 1 or 1: 1～1: 3.
Tool with single layer of super hard abrasive manufacture method of the present invention, super hard abrasive are diamond or cubic boron nitride (CBN).
Tool with single layer of super hard abrasive manufacture method of the present invention, the mixing of super hard abrasive mixed powder or directly be positioned on the tool base, or mix and be applied on the tool base, or the super hard abrasive mixed powder is suppressed in being positioned on the matrix on the tool base or after the compacting with binding agent.
Tool with single layer of super hard abrasive manufacture method of the present invention, mode of heating comprises induction, resistance, laser, radiation etc., not only is confined to above mode of heating.
Tool with single layer of super hard abrasive manufacture method of the present invention, mode of heating must be lighted the super hard abrasive mixed powder.
One of advantage of the present invention is to use commercially available common Ni, Al commonly used, Ti, B, Si, Mo, Sn, Mn powder etc.
One of advantage of the present invention is that also diamond can coating film treatment.
One of advantage of the present invention is to adopt metal powder commonly used or non-metal powder, simple hybrid mode and mode of heating commonly used.
A main advantage of the present invention is that heat release is all finished rapidly with cooling in the burning building-up process, and product is synthetic in position.So only need the very short time can between superhard material, metal powder and matrix, realize firm chemical metallurgy combination, be localized heat release owing to burning is synthetic in addition, can also avoid the expansion of crackle in the mother metal, less to the fire damage of super hard abrasive.Cost is low, and technology is simple, the complexity of reducible manufacturing cost and manufacturing process.
The specific embodiment
Further specify the present invention below by some representational example, but do not limit the scope of the invention.
Embodiment one
40/50 diamond with 20% and 80% 1: 1 Al, Ti mixed-powder evenly mix and are pressed into thin slice on tool base, and pressure is 50MPa, and with high-frequency induction brazing stove heating tool matrix and light mixed system in air, the reaction time is 15s.From the pattern of the diamond disk after synthetic that burns end product even compact comparatively as can be seen, diamond, carcass material combine with tool base firmly, and diamond keeps crystalline form preferably, and adamantine to go out sword good.The diamond disk of making manual sand paper grinding experiment and the experiment of mechanical grinding marble have been carried out.Heavy load grinding marble 10 minutes, diamond abrasive grain is normal wear, does not have the threshing phenomenon.
Embodiment two
40/50 order diamond with 20% and 80% 1: 1 Ni, Ti mixed-powder mixing also are pressed into thin slice and are positioned on the steel matrix, and pressure is 50Mpa, lights mixed system in vacuum drying oven, at 800 ℃ of insulation 5min.Product is synthetic in position basically, and diamond still keeps crystalline form preferably.By product is carried out XRD analysis, find to occur the diffraction maximum of multiple aluminium, nickel metal, shown in system fusing sintering process to have generated various intermetallic compounds, carcass material combines with diamond firmly, hand grinding, diamond abrasive grain does not come off.
Embodiment three
100 order CBN with 20% and 80% 1: 1 Ni, Ti mixed-powder mixing also are pressed into thin slice and are positioned on the steel matrix, and pressure is 50Mpa, lights mixed system with the high-frequency induction brazing stove, reaction time 15s.Reaction back CBN still keeps crystalline form preferably, by product is carried out XRD analysis, finds to occur the diffraction maximum of multiple nickel, titanium, has shown in system fusing sintering process to have generated various intermetallic compounds.Hand grinding, diamond abrasive grain does not come off.
Embodiment four
40/50 diamond with 20% and 80% 3: 1 Ni, Al mixed-powder mixing evenly are applied on the steel matrix with the binding agent modulation, light mixed system with resistance furnace, at 780 ℃ of insulation 5min.Reaction back diamond still keeps crystalline form preferably, by product is carried out XRD analysis, find to occur the diffraction maximum of multiple nickel, aluminum metal, shown in system fusing sintering process and generated various intermetallic compounds, carcass material combines with diamond firmly, hand grinding, diamond abrasive grain does not come off.
Embodiment five
40/50 diamond with 20% and 75% 1: 2 Ni, Ti mixed powder also add 5% B, Si mixing, evenly are applied on the steel matrix with the binding agent modulation, with lighting mixed system in the vacuum drying oven, at 750 ℃ of insulation 5min.Reaction back diamond still keeps crystalline form preferably, by product is carried out XRD analysis, find to occur the diffraction maximum of multiple nickel, titanium, shown in system fusing sintering process and generated various intermetallic compounds, carcass material combines with diamond firmly, hand grinding, diamond abrasive grain does not come off.
Embodiment six
40/50 diamond with 20% and 70% 1: 3 Al, Ti mixed powder also add 10% Sn, B, Si mixing, and be positioned on the steel matrix, light mixed system in vacuum drying oven, at 750 ℃ of insulation 5min.Reaction back diamond still keeps crystalline form preferably, by product is carried out XRD analysis, find to occur the diffraction maximum of multiple aluminium, titanium, shown in system fusing sintering process and generated various intermetallic compounds, carcass material combines with diamond firmly, hand grinding, diamond abrasive grain does not come off.
Claims (6)
1. the manufacture method of a tool with single layer of super hard abrasive, its feature comprises the steps:
(1) by Ni, Al, Ti arbitrarily between the two or three's metal powder evenly mix according to a certain percentage, but adding proportion is prepared into mixed powder less than 15% other metals (Mo, Mn, Sn) or nonmetal (B, Si, P) during mixing;
(2) super hard abrasive is evenly mixed with mixed powder, be prepared into the super hard abrasive mixed powder;
(3) the super hard abrasive mixed powder is placed on the tool base;
(4) light the super hard abrasive mixed powder with firing equipment;
(5) make single layer tools.
2. tool with single layer of super hard abrasive manufacture method according to claim 1, it is characterized in that: the ratio of above-mentioned metal powder Ni and Al is 1: 1～3: 1 or 1: 1～1: 3, the ratio of Ni and Ti is 1: 1～3: 1 or 1: 1～1: 2, and the ratio of Al and Ti is 1: 1～3: 1 or 1: 1～1: 3.
3. tool with single layer of super hard abrasive manufacture method according to claim 1 is characterized in that: above-mentioned super hard abrasive is diamond or cubic boron nitride (CBN).
4. tool with single layer of super hard abrasive manufacture method according to claim 1, it is characterized in that: above-mentioned super hard abrasive mixed powder or directly be positioned on the tool base, or mix and be applied on the tool base, or the super hard abrasive mixed powder is suppressed in being positioned on the matrix on the tool base or after the compacting with binding agent.
5. tool with single layer of super hard abrasive manufacture method according to claim 1 is characterized in that: above-mentioned mode of heating comprises induction, resistance, laser, radiation etc., not only is confined to above mode of heating.
6. tool with single layer of super hard abrasive manufacture method according to claim 1 or 5, it is characterized in that: above-mentioned mode of heating must be lighted the super hard abrasive mixed powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510032917 CN1810420A (en) | 2005-01-27 | 2005-01-27 | Making process of tool with single layer of super hard abrasive |
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| CN 200510032917 CN1810420A (en) | 2005-01-27 | 2005-01-27 | Making process of tool with single layer of super hard abrasive |
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| CN1810420A true CN1810420A (en) | 2006-08-02 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445034C (en) * | 2006-11-02 | 2008-12-24 | 大连理工大学 | Method for mfg. abrasion wheel for flattening milling large dimension diamond diaphragm |
| CN101934501A (en) * | 2010-08-26 | 2011-01-05 | 郑州磨料磨具磨削研究所 | Self-propagating sintering metal-bonded diamond grinding wheel and preparation method thereof |
| CN102114616A (en) * | 2010-12-06 | 2011-07-06 | 中原工学院 | Ti3AlC2-radical ceramic bond and cubic boron nitride (CBN) grinding tool and manufacturing method |
| CN101791788B (en) * | 2009-11-17 | 2013-02-06 | 博深工具股份有限公司 | Preparation method of cold pressing sintered diamond millstone |
| CN103331704A (en) * | 2013-07-23 | 2013-10-02 | 苏州赛尔科技有限公司 | Metal ceramic-based electroplating grinding wheel |
| CN103551576A (en) * | 2013-10-31 | 2014-02-05 | 吴海勇 | Method for preparing cubic boron nitride agglomeration tool |
| CN104878381A (en) * | 2015-05-20 | 2015-09-02 | 仲恺农业工程学院 | Novel wear-resistant coating and preparation method thereof |
| CN108883517A (en) * | 2016-03-24 | 2018-11-23 | 联合材料公司 | Super-abrasive grinding wheel |
| CN111100599A (en) * | 2019-12-23 | 2020-05-05 | 南京航空航天大学 | Superhard aggregate abrasive with high micro-crushing characteristic and preparation method thereof |
-
2005
- 2005-01-27 CN CN 200510032917 patent/CN1810420A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445034C (en) * | 2006-11-02 | 2008-12-24 | 大连理工大学 | Method for mfg. abrasion wheel for flattening milling large dimension diamond diaphragm |
| CN101791788B (en) * | 2009-11-17 | 2013-02-06 | 博深工具股份有限公司 | Preparation method of cold pressing sintered diamond millstone |
| CN101934501A (en) * | 2010-08-26 | 2011-01-05 | 郑州磨料磨具磨削研究所 | Self-propagating sintering metal-bonded diamond grinding wheel and preparation method thereof |
| CN102114616A (en) * | 2010-12-06 | 2011-07-06 | 中原工学院 | Ti3AlC2-radical ceramic bond and cubic boron nitride (CBN) grinding tool and manufacturing method |
| CN102114616B (en) * | 2010-12-06 | 2012-07-04 | 中原工学院 | Ti3AlC2-radical ceramic bond and cubic boron nitride (CBN) grinding tool and manufacturing method |
| CN103331704A (en) * | 2013-07-23 | 2013-10-02 | 苏州赛尔科技有限公司 | Metal ceramic-based electroplating grinding wheel |
| CN103551576A (en) * | 2013-10-31 | 2014-02-05 | 吴海勇 | Method for preparing cubic boron nitride agglomeration tool |
| CN104878381A (en) * | 2015-05-20 | 2015-09-02 | 仲恺农业工程学院 | Novel wear-resistant coating and preparation method thereof |
| CN104878381B (en) * | 2015-05-20 | 2017-08-25 | 仲恺农业工程学院 | A kind of wear-resistant coating and preparation method thereof |
| CN108883517A (en) * | 2016-03-24 | 2018-11-23 | 联合材料公司 | Super-abrasive grinding wheel |
| US10875152B2 (en) | 2016-03-24 | 2020-12-29 | A.L.M.T. Corp. | Super-abrasive grinding wheel |
| CN111100599A (en) * | 2019-12-23 | 2020-05-05 | 南京航空航天大学 | Superhard aggregate abrasive with high micro-crushing characteristic and preparation method thereof |
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