CN104761933A - Coat and spraying process - Google Patents
Coat and spraying process Download PDFInfo
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- CN104761933A CN104761933A CN201510110148.5A CN201510110148A CN104761933A CN 104761933 A CN104761933 A CN 104761933A CN 201510110148 A CN201510110148 A CN 201510110148A CN 104761933 A CN104761933 A CN 104761933A
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- coating
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Abstract
The invention discloses a self-made coat being prepared from following raw materials, by mass: 30-50% of alcohol, 10-20% of water, 15-30% of graphite, 20-40% of aluminum oxide and 5-10% of a lubricant. The self-made coat is excellent in stability and homogeneity. By means of optimization on the components, a better insulation and anti-sticking effect is achieved. The invention also discloses a spraying process of the coat. With combination of the spraying process, the coat is improved greatly in both flatness and thickness homogeneity. The coat can enable the rate of waste product sticking on a boat to be less than 1% and the rate of waste product in deformation to be less than 7%. The coat can significantly increase the qualified rate of a sintering product.
Description
Technical field
The present invention relates to a kind of Wimet coating and spraying coating process; Belong to technical field of alloy material.
Background technology
Wimet is applied very extensive in industrial production and processing, is widely used as cutter, drill bit etc.Wimet very important step in the course of processing is sintering, in order to there is the bad phenomenon of sticky boat when preventing from sintering, needs to be coated with release coating in graphite vessel.In prior art, be all adopt directly to be brushed on graphite vessel by coating hairbrush by hand, there is following problem: (1), the coating thickness brushed differ, thin place causes having sticky boat situation to occur during sintered article; (2), that coating makes a good job of rear planeness is bad, causes deforming during sintered article; (3), coating is that direct market is buied, and quality stability is difficult to control.Given this, in the urgent need to grasping coating and the spraying coating process of independent intellectual property right.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of coating and spraying coating process, in sintering process, playing good anti-adhesion effects.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of coating, comprise following raw material, and the mass percent of each raw material is as follows:
The summation of above-mentioned raw materials is 100%.
As a specific embodiment, aforesaid a kind of coating, comprises following raw material, and the quality hundred of each raw material
Proportion by subtraction is as follows:
Particularly, aforementioned lubricants is white oil, glycerine or sweet oil.
The invention also discloses the spraying coating process of aforesaid a kind of coating, comprise the following steps:
S1, prepare each raw material according to mass percent according to claim 1;
S2, by step S1 prepare each raw material add in shredder, obtain coating by polishing;
S3, employing paint formula spraying method carry out coating spary.
Preferably, in abovementioned steps S2, milling time is 12 ~ 24h, grinding rate is 30 ~ 40r/min, ratio of grinding media to material is 2.5 ~ 5:1.
More preferably, in abovementioned steps S3, the density of coating is 60 ~ 85%, and spraying rate is 24m/min.
Usefulness of the present invention is: coating of the present invention is self-control, and stability and consistence very well, after being optimized, achieve better isolation and anti-adhesion effects to component; In conjunction with spraying coating process of the present invention, the planeness of coating and thickness consistence are obtained for be improved greatly, and product glues boat waste product < 1%, and distortion waste product < 7%, significantly improves the qualification rate of sintered article.
Embodiment
Below in conjunction with specific embodiment, concrete introduction is done to the present invention.
Embodiment 1
A kind of coating of the present embodiment, comprises following raw material, and the mass percent of each raw material is as follows: alcohol 30%, water 10%, graphite 20%, aluminum oxide 35%, lubricant 5%.
Preparation method is as follows:
S1, prepare each raw material according to mass percent above;
S2, by step S1 prepare each raw material add in shredder, obtain coating by polishing, milling time is 12 ~ 24h, grinding rate is 30 ~ 40r/min, ratio of grinding media to material is 2.5 ~ 5:1;
S3, employing paint formula spraying method carry out coating spary, and the density of coating is 60 ~ 85%, and spraying rate is 24m/min.
Embodiment 2
The present embodiment is roughly the same with embodiment 1, and difference part is each raw materials quality per-cent of coating, specific as follows: alcohol 40%, water 15%, graphite 15%, aluminum oxide 25%, lubricant 5%.
Embodiment 3
The present embodiment is roughly the same with embodiment 1, and difference part is each raw materials quality per-cent of coating, specific as follows: alcohol 50%, water 10%, graphite 15%, aluminum oxide 20%, lubricant 5%.
Performance test
Table 1 is the result of use test comparison of embodiment 1-3 and comparative example 1-3, comprise the test comparison of sticky boat waste product, distortion waste product and flat curved rate, comparative example 1-3 is the boat adopting commercial coating to utilize wool hairbrush swabbing, embodiment 1-3 and comparative example 1-3 is same stove co-located sintering, to avoiding other interfering factorss.
The Performance comparision of table 1 embodiment 1-3 and comparative example 1-3
As shown in Table 1, paint stability of the present invention and consistence very well, can obtain better isolation and anti-adhesion effects; In conjunction with spraying coating process of the present invention, the planeness of coating and thickness consistence are obtained for be improved greatly, and product glues boat waste product < 1%, distortion waste product < 7%, flat curved rate is also better than commercial coating greatly, significantly improves the qualification rate of sintered article.
More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (6)
1. a coating, is characterized in that, comprises following raw material, and the mass percent of each raw material is as follows:
2. a kind of coating according to claim 1, is characterized in that, comprises following raw material, and the mass percent of each raw material is as follows:
3. a kind of coating according to claim 1, is characterized in that, described lubricant is white oil, glycerine or sweet oil.
4. the spraying coating process of a kind of coating as claimed in claim 1, is characterized in that, comprise the following steps:
S1, prepare each raw material according to mass percent according to claim 1;
S2, by step S1 prepare each raw material add in shredder, obtain coating by polishing;
S3, employing paint formula spraying method carry out coating spary.
5. the spraying coating process of a kind of coating according to claim 1, is characterized in that, in described step S2, milling time is 12 ~ 24h, grinding rate is 30 ~ 40r/min, ratio of grinding media to material is 2.5 ~ 5:1.
6. the spraying coating process of a kind of coating according to claim 1, is characterized in that, in described step S3, the density of coating is 60 ~ 85%, and spraying rate is 24m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110148.5A CN104761933A (en) | 2015-03-13 | 2015-03-13 | Coat and spraying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110148.5A CN104761933A (en) | 2015-03-13 | 2015-03-13 | Coat and spraying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104761933A true CN104761933A (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510110148.5A Pending CN104761933A (en) | 2015-03-13 | 2015-03-13 | Coat and spraying process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104761933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084919A (en) * | 2015-08-27 | 2015-11-25 | 广东尚高科技有限公司 | Ceramic sintering antisticking coating, preparation method and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597885A (en) * | 2004-07-23 | 2005-03-23 | 袁美和 | Coating for producing hard alloy |
| CN101386055A (en) * | 2008-10-21 | 2009-03-18 | 株洲力洲硬质合金有限公司 | Coating for sintering the high-cobalt hart metal product |
| CN102277019A (en) * | 2011-07-20 | 2011-12-14 | 中南大学 | High-temperature anti-adhesive coating for producing hard alloy and preparation method thereof |
| CN102585569A (en) * | 2011-12-23 | 2012-07-18 | 江西稀有稀土金属钨业集团有限公司 | Coating for sintering hard alloy, preparation method and using method |
| CN102876094A (en) * | 2012-10-19 | 2013-01-16 | 广西梧州港德硬质合金制造有限公司 | Hard alloy sintered antisticking coating |
-
2015
- 2015-03-13 CN CN201510110148.5A patent/CN104761933A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597885A (en) * | 2004-07-23 | 2005-03-23 | 袁美和 | Coating for producing hard alloy |
| CN101386055A (en) * | 2008-10-21 | 2009-03-18 | 株洲力洲硬质合金有限公司 | Coating for sintering the high-cobalt hart metal product |
| CN102277019A (en) * | 2011-07-20 | 2011-12-14 | 中南大学 | High-temperature anti-adhesive coating for producing hard alloy and preparation method thereof |
| CN102585569A (en) * | 2011-12-23 | 2012-07-18 | 江西稀有稀土金属钨业集团有限公司 | Coating for sintering hard alloy, preparation method and using method |
| CN102876094A (en) * | 2012-10-19 | 2013-01-16 | 广西梧州港德硬质合金制造有限公司 | Hard alloy sintered antisticking coating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084919A (en) * | 2015-08-27 | 2015-11-25 | 广东尚高科技有限公司 | Ceramic sintering antisticking coating, preparation method and application |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150708 |
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| RJ01 | Rejection of invention patent application after publication |