CN102728832B - The technique of cobalt powder cladding diamond granule - Google Patents
The technique of cobalt powder cladding diamond granule Download PDFInfo
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- CN102728832B CN102728832B CN201210266910.5A CN201210266910A CN102728832B CN 102728832 B CN102728832 B CN 102728832B CN 201210266910 A CN201210266910 A CN 201210266910A CN 102728832 B CN102728832 B CN 102728832B
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- cobalt powder
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Abstract
The technique of cobalt powder cladding diamond granule, it is crucial that: described processing step includes: modulation diluent, isopropanol and acetone are pressed (3.5 4.5): the mol ratio modulation of 1, by the diluent modulated with glue by weight being (7 9): 1 carries out being mixed to form bonding agent；Diamond particles is put in coating unit；While the above-mentioned bonding agent modulated is sprayed in coating unit, metal dust is spilled in coating unit, diamond particles rolling is dissipated uniformly, completes cladding process.It is an advantage of the invention that technical process is simple, have employed the technology of diamond particles cladding cobalt powder, substituting prior art and use cobalt powder directly as the adhesives of high-abrasive material, cost can reduce by more than 50；The new-type diluent simultaneously modulated is with low cost, and by the proportioning of diluent Yu glue, covered effect is obviously improved, and finally makes the diamond composition produced the most perfect.
Description
Technical field
The invention belongs to diamond composition technical field, relate to the diamond particles on a kind of diamond composition, the specifically technique of cobalt powder cladding diamond granule.
Background technology
In current Diamond Compacts, it is usually the adhesives using cobalt as diamond wear proof material, but owing to the deposit of China's cobalt is less, rely primarily on import mode, make cobalt raw material much more expensive, your time reached per kilogram 900 yuan, and the diamond particles actually volume content in Diamond Compacts is less, about about 8%, the volume of i.e. about 92% is all metal, the real adeciduate place of diamond particles that holds is the metal around diamond particles, and then it doesn't matter for the metal material in other place, as long as wear-resisting property is close with cobalt powder.The most whole Diamond Compacts is all the most excessively wasted as raw material with cobalt powder, and therefore it is contemplated that wrap diamond particles with cobalt powder, remainder iron-copper material then can reduce substantial amounts of cost.And during cladding, if the viscosity of glue is too big, diamond can lump, and viscosity is the least, and metal dust is not easy to be stuck.And owing to, in different diamond compositions, diamond particles is different because of granularity, and proportion is the most different, diamond particles skewness in goods easily occurs, and then affects the quality of product.
Summary of the invention
The problem that the invention aims to reduce cobalt powder use cost, the technique devising a kind of cobalt powder cladding diamond granule, by the way of cladded magnetic metal powder on diamond particles substitutes whole Diamond Compacts use cobalt powder, effectively overcome the defect of prior art.
The present invention employed technical scheme comprise that for realizing goal of the invention, the technique of cobalt powder cladding diamond granule, it is important to: described processing step includes:
A, modulation diluent, by isopropanol and acetone by (3.5-4.5): the mol ratio modulation of 1, by the diluent that modulates with glue by weight for (7-9): 1 carries out being mixed to form bonding agent；
B, diamond particles is put in coating unit；
C, while the above-mentioned bonding agent modulated is sprayed in coating unit, metal dust is spilled in coating unit, diamond particles rolling is dissipated uniformly, completes cladding process.
Described coating unit includes support, fixing driving motor and hold the container of diamond on support, and container is connected with the output main shaft driving motor, forms rotational structure.
It is provided with domatic on described support, drives motor to be positioned on domatic.
Described domatic inclination angle is 20-60 °.
Described driving motor be adjustable gear gear ratio have grade motor or the stepless electrical machinery of random speed governing.
Described glue uses the granulation glue that remex company of Germany produces.
The present invention's it is crucial that have employed the technology of diamond particles cladding cobalt powder, substitutes prior art and uses cobalt powder directly as the adhesives of high-abrasive material.The bonding agent of diamond particles in prior art with cobalt powder is improved simultaneously, provide a diluent very reliably for common glue, by the diluent dilution to glue, reached metal dust and uniformly bonded to the purpose on diamond particles.
The invention has the beneficial effects as follows, technical process is simple, and the new-type diluent of modulation is with low cost, although the compared with prior art steps adding modulation diluent more, but by the proportioning of diluent with glue, covered effect is obviously improved, and finally makes the diamond composition produced the most perfect.
Accompanying drawing explanation
Fig. 1 is the constructive embodiment schematic diagram of the present invention.
In figure, 1 represents support, and 2 represent driving motor, and 3 represent container.
Detailed description of the invention
The technique of cobalt powder cladding diamond granule, is included in the process of diamond particle surfaces cladding metal dust, it is important to: the processing step of described cladding metal dust includes:
A, modulation diluent, by isopropanol and acetone by (3.5-4.5): the mol ratio modulation of 1, by the diluent that modulates with glue by weight for (7-9): 1 carries out being mixed to form bonding agent；
B, diamond particles is put in coating unit；
C, while the above-mentioned bonding agent modulated is sprayed in coating unit, metal dust is spilled in coating unit, diamond particles rolling is dissipated uniformly, completes cladding process.
Described coating unit includes support 1, fixing driving motor 2 and hold the container 3 of diamond on support 1, and container 3 is connected with the output main shaft driving motor 2, forms rotational structure.
It is provided with domatic on described support 1, drives motor 2 to be positioned on domatic.
Described domatic inclination angle is 20-60 °.
Described drive motor 2 be adjustable gear gear ratio have grade motor or the stepless electrical machinery of random speed governing.
Described glue uses the granulation glue that remex company of Germany produces.
Diamond particles in the specific implementation, is first poured in container 3 by the present invention, is modulated by diluent according to design proportioning, then allows diluent be sufficiently mixed with glue and be diluted, forms bonding agent.Then the bonding agent after atomization is sprayed on diamond particles, container 3, on one side glue spraying can be rotated, improve the uniformity, the most again metal dust is dispersed in container 3, rotates simultaneously, while improve the uniformity of bonding agent, also improve the cobalt powder uniformity when parcel.Support 1 is designed as when 45 ° optimal, facilitates workman and picks and places the work of diamond.
Claims (5)
1. the technique of cobalt powder cladding diamond granule, it is characterised in that described processing step bag
Include:
A, modulation diluent, press (3.5-4.5) by isopropanol and acetone: the mol ratio of 1 is adjusted
System, by the diluent modulated and glue by weight for (7-9): 1 carry out being mixed to form viscous
Connect agent；
B, diamond particles is put in coating unit；
C, while the above-mentioned bonding agent modulated is sprayed in coating unit, by metal powder
End is spilled in coating unit, diamond particles rolling is dissipated uniformly, completes cladding process.
The technique of cobalt powder cladding diamond granule the most according to claim 1, its feature exists
In: described coating unit includes support (1), at the upper fixing driving motor of support (1)
(2) and hold the container (3) of diamond, container (3) with drive the defeated of motor (2)
Go out main shaft to connect, form rotational structure.
The technique of cobalt powder cladding diamond granule the most according to claim 2, its feature exists
In: it is provided with domatic on described support (1), drives motor (2) to be positioned on domatic.
The technique of cobalt powder cladding diamond granule the most according to claim 3, its feature exists
In: described domatic inclination angle is 20-60 °.
The technique of cobalt powder cladding diamond granule the most according to claim 2, its feature exists
In: described driving motor (2) be adjustable gear gear ratio have grade motor or random
The stepless electrical machinery of speed governing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266910.5A CN102728832B (en) | 2012-07-30 | 2012-07-30 | The technique of cobalt powder cladding diamond granule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266910.5A CN102728832B (en) | 2012-07-30 | 2012-07-30 | The technique of cobalt powder cladding diamond granule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102728832A CN102728832A (en) | 2012-10-17 |
| CN102728832B true CN102728832B (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210266910.5A Active CN102728832B (en) | 2012-07-30 | 2012-07-30 | The technique of cobalt powder cladding diamond granule |
Country Status (1)
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| CN (1) | CN102728832B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077301A (en) * | 2019-10-24 | 2020-12-15 | 青岛新韩金刚石工业有限公司 | Method for coating diamond with metal powder |
| CN111872375B (en) * | 2020-07-17 | 2022-07-05 | 苏州思珀利尔工业技术有限公司 | Preparation method of cobalt powder coated diamond pellet, cobalt powder coated diamond and application thereof |
| CN112453389B (en) * | 2020-10-31 | 2023-01-13 | 湖北小蚂蚁金刚石工具有限公司 | Device for coating diamond |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4343594C1 (en) * | 1993-12-21 | 1995-02-02 | Starck H C Gmbh Co Kg | Cobalt metal powder and a composite sintered body manufactured from it |
| CN101205422A (en) * | 2007-12-06 | 2008-06-25 | 河南省联合磨料磨具有限公司 | Diamond powder having surface-coated non-diamond phase carbon layer and production method thereof |
| CN101695802B (en) * | 2009-11-02 | 2011-06-15 | 吴志英 | Secondary coating method for diamond |
| CN201969529U (en) * | 2011-01-27 | 2011-09-14 | 山东鲲鹏新材料科技股份有限公司 | Dry powder mixer |
| CN102560455A (en) * | 2012-01-10 | 2012-07-11 | 上海交通大学 | Preparation method of ultra-thin tungsten film-coated diamond |
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2012
- 2012-07-30 CN CN201210266910.5A patent/CN102728832B/en active Active
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| CN102728832A (en) | 2012-10-17 |
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