CN109971422A - A kind of aerospace composite polycrystal-diamond lapping liquid - Google Patents
A kind of aerospace composite polycrystal-diamond lapping liquid Download PDFInfo
- Publication number
- CN109971422A CN109971422A CN201910254509.1A CN201910254509A CN109971422A CN 109971422 A CN109971422 A CN 109971422A CN 201910254509 A CN201910254509 A CN 201910254509A CN 109971422 A CN109971422 A CN 109971422A
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- CN
- China
- Prior art keywords
- lapping liquid
- diamond
- composite polycrystal
- suspension
- aerospace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of aerospace composite polycrystal-diamond lapping liquid, the lapping liquid is 0-5 by polycrystalline diamond micro mist, deionized water, dispersing agent, the sticky dose of suspension formed, the PH of the suspension.The application's has the beneficial effect that the composite polycrystal-diamond surface grinding for being mainly used for having cambered surface, and the lapping liquid of the application is thick suspension, is substantially shorter milling time using the lapping liquid of the invention, improves working efficiency, saves grinding cost.It can guarantee to grind stable state for a long time, the processing stage of composite polycrystal-diamond, easy to clean, energy conservation and environmental protection are judged convenient for visual inspection.
Description
Technical field
The present invention relates to a kind of aerospace composite polycrystal-diamond lapping liquids, belong to diamond processing techniques neck
Domain.
Background technique
Aerospace composite polycrystal-diamond such as guided missile pod etc. generally has arcwall face, and requires high saturating
Photosensitiveness and best bright finish, thus aerospace also needed after deposition modeling with composite polycrystal-diamond using lapping liquid into
Row grinding.Because of its hardness height, most of lapping liquids on the market cannot be ground it at present.
Summary of the invention
In order to overcome drawbacks described above, the present invention provides a kind of aerospace composite polycrystal-diamond lapping liquids.
To achieve the goals above, the technical solution of the present invention is as follows: a kind of aerospace is ground with composite polycrystal-diamond
Grinding fluid, the lapping liquid is by polycrystalline diamond micro mist, deionized water, dispersing agent, the sticky dose of suspension formed, the suspension
PH be 0-5.
Preferably, the granularity of the diadust is≤2 microns.
Preferably, the dispersing agent is one or more of sulfate, quaternary ammonium salt, PEO derivative, lactone, dispersing agent
Have the function of adjusting PH and dispersed material.
Preferably, described sticky dose is food thickening agent.Food thickening agent generally selects gelatin, casein sodium, I
Primary glue, tamarind seed polysaccharide glue, sesbania gum, agar, sodium alginate (sodium alginate, phycocolloid), carragheen, pectin, xanthan gum, β-
Cyclodextrine, sodium carboxymethylcellulose (CMC-Na), starch phosphate sodium (sodium starch phosphate), sodium carboxymethyl starch, hydroxypropyl
It is one or more in the substances such as starch and propylene glycol alginate (PGA) to add.
Preferably, the lapping liquid is made of raw material from the following weight: 10-20 parts of polycrystalline diamond micro mists, 70-100
The deionized water of part, 2-5 parts of dispersing agents, 0.2-2 parts sticky dose.
The application is mainly used to that suspension is made to form sticky, satiny state using food thickening agent, convenient for carrying out arc
The aerospace in face can keep the adhesion in face to be processed when being processed with composite polycrystal-diamond, lapping liquid is kept to add
Action time on work face.
The application's has the beneficial effect that the composite polycrystal-diamond surface grinding for being mainly used for having cambered surface, the application's
Lapping liquid is thick suspension, using polycrystalline diamond micro mist, improves grinding efficiency and does not hurt workpiece, saves grinding cost.It can
Stable state is ground with long-term guarantee, the processing stage of composite polycrystal-diamond is judged convenient for visual inspection, easy to clean, section
It can environmental protection.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of aerospace composite polycrystal-diamond lapping liquid, the lapping liquid are made of raw material from the following weight: 20
Part polycrystalline diamond micro mist, 100 parts of deionized water, 4 parts of dispersing agents, the 1 part sticky dose suspension for stirring evenly composition, it is described
The PH of suspension is 4.The granularity of diadust is≤2 microns.
Dispersing agent selects sulfate and quaternary ammonium salt, for dispersing and adjusting PH, sticky dose of selection sodium carboxymethylcellulose
(CMC-Na) it is used to increase the viscosity of suspension.
After tested, the suspension viscosity of the present embodiment is 762cps, and polycrystalline diamond micro mist without obvious sediment, divides for a long time
Cloth is uniform.It is processed for the aerospace of arcwall face with composite polycrystal-diamond, is 321g/cm2 in polish pressure, it is main
Disk rotating speed is 80rmp, grinds flow quantity: 4ml/min, polishing time 30min, composite polycrystal-diamond rough surface before polishing
28.1628nm is spent, light transmittance 68%, composite polycrystal-diamond surface roughness 1.102nm after polishing, light transmittance 72%(70% are
For qualification).And it in process obviously can mobility status be observed on composite polycrystal-diamond by polishing fluid
The processing stage and surface defect of composite polycrystal-diamond.
Embodiment 2
A kind of aerospace composite polycrystal-diamond lapping liquid, the lapping liquid are made of raw material from the following weight: 10
Part polycrystalline diamond micro mist, 70 parts of deionized water, 2 parts of dispersing agents, the 0.5 part sticky dose suspension for stirring evenly composition, institute
The PH for stating suspension is 3.The granularity of diadust is≤2 microns.
Dispersing agent selects sulfate, quaternary ammonium salt, PEO derivative, and for dispersing and adjusting PH, sticky dose of selection carboxymethyl is fine
It ties up plain sodium (CMC-Na) and hydroxypropul starch is used to increase the viscosity of suspension.
After tested, the suspension viscosity of the present embodiment is 843cps, and polycrystalline diamond micro mist without obvious sediment, divides for a long time
Cloth is uniform.It is processed for the aerospace of arcwall face with composite polycrystal-diamond, is 296g/cm2 in polish pressure, it is main
Disk rotating speed is 80rmp, grinds flow quantity: 3ml/min, polishing time 40min, composite polycrystal-diamond rough surface before polishing
Spend 28.1628nm, light transmittance 68%, composite polycrystal-diamond surface roughness 1.003nm after polishing, light transmittance 74%(technology
It is required that 70% is qualification).And it can obviously be flowed emotionally on composite polycrystal-diamond by polishing fluid in process
Condition observes the processing stage and surface defect of composite polycrystal-diamond.
The limitation that technical solution of the present invention is not limited to the above specific embodiments, it is all to do according to the technique and scheme of the present invention
Technology deformation out, falls within the scope of protection of the present invention.
Claims (5)
1. a kind of aerospace composite polycrystal-diamond lapping liquid, it is characterised in that: the lapping liquid is by polycrystalline diamond
Micro mist, deionized water, dispersing agent, the sticky dose of suspension formed, the PH of the suspension are 0-5.
2. aerospace according to claim 1 composite polycrystal-diamond lapping liquid, it is characterised in that: the Buddha's warrior attendant
The granularity of stone micro mist is≤2 microns.
3. aerospace according to claim 2 composite polycrystal-diamond lapping liquid, it is characterised in that: the dispersion
Agent is one or more of sulfate, quaternary ammonium salt, PEO derivative, lactone.
4. aerospace according to claim 3 composite polycrystal-diamond lapping liquid, it is characterised in that: described sticky
Agent is food thickening agent.
5. aerospace according to claim 1 to 4 composite polycrystal-diamond lapping liquid, it is characterised in that: institute
It states lapping liquid to be made of raw material from the following weight: 10-20 parts of polycrystalline diamond micro mists, 70-100 parts of deionized water, 2-5 parts
Dispersing agent, 0.2-2 parts sticky dose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254509.1A CN109971422A (en) | 2019-03-31 | 2019-03-31 | A kind of aerospace composite polycrystal-diamond lapping liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254509.1A CN109971422A (en) | 2019-03-31 | 2019-03-31 | A kind of aerospace composite polycrystal-diamond lapping liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109971422A true CN109971422A (en) | 2019-07-05 |
Family
ID=67081982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910254509.1A Pending CN109971422A (en) | 2019-03-31 | 2019-03-31 | A kind of aerospace composite polycrystal-diamond lapping liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109971422A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013345A (en) * | 2012-12-21 | 2013-04-03 | 清华大学 | Oily diamond grinding liquid and preparation method thereof |
| CN106147617A (en) * | 2015-04-28 | 2016-11-23 | 天津诺邦科技有限公司 | A kind of water base polishing fluid of polycrystalline diamond and preparation method thereof |
-
2019
- 2019-03-31 CN CN201910254509.1A patent/CN109971422A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013345A (en) * | 2012-12-21 | 2013-04-03 | 清华大学 | Oily diamond grinding liquid and preparation method thereof |
| CN106147617A (en) * | 2015-04-28 | 2016-11-23 | 天津诺邦科技有限公司 | A kind of water base polishing fluid of polycrystalline diamond and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190705 |
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| RJ01 | Rejection of invention patent application after publication |