CN102250581B - Circulating hard grinding agent of diamond micro powder grinding fluid as well as preparation and use methods thereof - Google Patents
Circulating hard grinding agent of diamond micro powder grinding fluid as well as preparation and use methods thereof Download PDFInfo
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- CN102250581B CN102250581B CN2011100928416A CN201110092841A CN102250581B CN 102250581 B CN102250581 B CN 102250581B CN 2011100928416 A CN2011100928416 A CN 2011100928416A CN 201110092841 A CN201110092841 A CN 201110092841A CN 102250581 B CN102250581 B CN 102250581B
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 65
- 238000000227 grinding Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000010432 diamond Substances 0.000 title abstract description 12
- 229910003460 diamond Inorganic materials 0.000 title abstract description 12
- 239000000843 powder Substances 0.000 title abstract description 8
- 239000012530 fluid Substances 0.000 title abstract 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 44
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 44
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 36
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 19
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 12
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 12
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000005642 Oleic acid Substances 0.000 claims abstract description 12
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims abstract description 12
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 12
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims abstract description 12
- 239000004299 sodium benzoate Substances 0.000 claims abstract description 12
- 235000010234 sodium benzoate Nutrition 0.000 claims abstract description 12
- 235000010288 sodium nitrite Nutrition 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000011259 mixed solution Substances 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 41
- 239000003317 industrial substance Substances 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000012459 cleaning agent Substances 0.000 abstract 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 abstract 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 abstract 1
- 235000019801 trisodium phosphate Nutrition 0.000 abstract 1
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract 1
- 208000001840 Dandruff Diseases 0.000 description 43
- 238000012545 processing Methods 0.000 description 17
- 239000003082 abrasive agent Substances 0.000 description 9
- 239000000919 ceramic Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000003595 mist Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000003350 kerosene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 235000015111 chews Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- -1 diadust Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Abstract
The invention relates to a circulating hard grinding agent of a diamond micro powder grinding fluid, a preparation method thereof as well as application of the circulating hard grinding agent of the diamond micro powder grinding fluid in grinding a silicon nitride ball, an zirconium oxide ball, a tungsten carbide ball, an alloy ball and other products with high precision and high added value. The hard grinding agent comprises chemical raw materials, such as sodium benzoate, animal oleic acid, a cleaning agent, trisodium phosphate, a defoaming agent, sodium nitrite and sodium hydroxide in proper proportions. The circulating hard grinding agent is characterized by also comprising W1.0 diamond micro powder of which the granularity is not more than 0.1mum; and the hard grinding agent is mixed with water to form a mixed solution which is used for recycling in the grinding process. The circulating hard grinding agent of the diamond micro powder grinding fluid is generally applied to fine grinding I and fine grinding II and can be used for effectively improving the surface finish quality and the dimensional precision of silicon nitride balls, and the like as well as improving the grinding efficiency.
Description
Technical field
The present invention relates to a kind of abrasive; More particularly; Relate to a kind of diadust lapping liquid circulation hard grind agent and preparation method thereof, and relate to the application that diadust lapping liquid circulation hard grind agent is used to grind high precision such as silicon nitride ball, zirconia ball, tungsten-carbide ball, alloy ball, high value added product.
Background technology
We have known silicon nitride (Si
3N
4) be 21st century latest model environment-friendly materials, by the strength member that its silicon nitride ball of processing is a bearing, its life-span to bearing, precision, vibrations and service performance have very big influence.Silicon nitride ball is the main direction of future development because it has high firmness, wear-resistant, high temperature resistant, corrosion-resistant, light weight, life-span performances such as long (are Metal Ball work-ing life 6 times).
Yet because silicon nitride material hardness is high, toughness is relatively poor, the process-cycle of silicon nitride ball is longer, and the surface smoothness of ball and roughness are difficult to reach desired standard, scratch or chew seriously, and production cost is higher.
At present; High precision, precision are as good as working method and the singularity thereof of sound silicon nitride tiny balls (for example 0.2-0.8mm); In the high-precision micro bearing industry, important status is arranged; Along with the fast development of industries such as IT industry, electron trade, precision meter, energy environment, the demand that this high precision, precision is as good as sound silicon nitride tiny balls is more and more.
Because the part of spheroid form, its whole surface are workplace, are bearing surfaces in the processing again, therefore require very high to the state of the art of grinding sphere part.
Prior art discloses the correlation technique of a lot of grinding silicon nitride balls.
Wait so long people's patent of invention CN1113931A of Wang Kui discloses the complete processing and the equipment thereof of Ceramic Balls, wherein adopts man-made diamond, natural diamond powder, white fused alumina, brown corundum or cubic boron nitride, chromic oxide, red stone as abrasive material; Adopt two or three in kerosene, spindle oil, the machine oil to be mixed with emulsion by a certain percentage, and and the abrasive material of granularity between 100-0.08 μ m carry out mix grinding and process abrasive, and use after filtering.On Steel Ball Lapping Machine, be that the Ceramic Balls of 2-60mm is processed to diameter.Yet, the scuffing of the Ceramic Balls of this patent and chew more seriously, production cost is higher.
The patent of invention CN101049676A of Wang Zuoshan discloses a kind of G3 level silicon nitride ball complete processing, and this technology processes the G3 level silicon nitride ball of diameter less than 16mm through adopting following step: a) eliminate the blank inner stress of work; B) corase grind; C) early grind; D) lappingout; E) ultra lappingout; F) propose optical processing; And g) the silicon nitride ball taking-up that processes is cleaned, selected and packs.In above-mentioned procedure of processing, at step b), c), d), e) in the finish that adds be diesel oil; B), c), d) in the mix grinding agent be on mixer-mill, fully to grind by weight 1/2～3/4 by the varigrained abrasive material in the different operations and Triple Pressed Stearic Acid to process, and every at a distance from a mix grinding agent of interpolation in 30～60 minutes.Through the silicon nitride ball surface-brightening after this method processing; Ball is criticized variation in diameter 0.09～0.11 μ m; Ball diameter variation is less than 0.08 μ m, deviation from spherical form 0.03～0.05 μ m, surface roughness Ra 0.004～0.005 μ m; Circularity 0.03～0.05 μ m, integrated performance index reaches the requirement of G3 class precision.But the processes cycle of document CN101049676A is oversize, is not suitable for the needs of mass production, and the scuffing or chew than serious problems of ball in the course of processing is not resolved yet.
People's such as Zhang Weiru patent of invention CN101486145 discloses a kind of working method of ceramic bearing ball; Be abrasive material wherein with norbide, silicon nitride, wolfram varbide, corundum, diadust, diamond ointment etc.; With chromic oxide, powder blue, red stone, cerium oxide is grinding aid; With kerosene, gasoline, alcohol etc. is grinding medium, utilizes vertical bearing ball shredder and carries out tonnage to discharge, thereby realize bearing ball low-stress precision sizing.The document proposes: the different characteristics that can be directed against materials such as silicon nitride ceramics, zirconia ceramics; The kind and the proportioning of adjustment abrasive material, grinding aid and grinding medium; Refinement and improve complete processing, thereby the surface working precision that effectively shortens the ceramic ball processing cycle and improve Ceramic Balls.
Utilize natural diamond powder or diadust to process though in patent documentation CN1113931 and CN101486145, disclose as abrasive material.Yet, above-mentioned patent documentation mainly be utilize the harder performance of diamond material and with it as the abrasive material that in ground finish, plays shear action.
The applicant has done more deep research to diadust, and the result shows: diadust is a kind of superhard refined abrasive, from the Electronic Speculum data analysis; The diadust epigranular; Its smallest particles degree is 0.15 μ m, and divided by maximum granularity is 0.7 μ m, and is lower greater than the particle relative probability of 0.5 μ m; The purity of micro mist is higher, meets the trade mark standard of W1.0.The micro mist pattern that Electronic Speculum result shows is better, is particularly amplifying under 1600 times of Electronic Speculum especially as " roe " shape of many.Under 2000 times Electronic Speculum, demonstrate " roe " reunion shape of many, the chain that more high-visible micro mist is reunited under 3000 times.In process of lapping, the W1.0 diadust can improve the sticking power of lapping liquid greatly.
Summary of the invention
Therefore; The applicant has made full use of the W1.0 diadust can improve the sticking power of lapping liquid in process of lapping mechanism; In the lapping liquid that silicon nitride ball is ground, add an amount of W1.0 diadust, thereby form layer protecting film, to stop silicon nitride ball in process of lapping, to be scratched effectively or to chew on the silicon nitride ball surface; Thereby improve the smooth finish and the dimensional precision of silicon nitride ball effectively, and improve grinding efficiency.
The invention provides a kind of diadust lapping liquid circulation hard grind agent; This hard grind agent comprises industrial chemicals Sodium Benzoate, animal oleic acid, clean-out system, tsp, skimmer, Sodium Nitrite and the sodium hydroxide of proportional mixing; It is characterized in that; Said hard grind agent also comprises an amount of W1.0 diadust, and said hard grind agent and water are mixed and made into mixed solution, recycles at grinding technics being used for.
In the hard grind agent, the weight percent between industrial chemicals Sodium Benzoate, animal oleic acid, clean-out system, tsp, skimmer, Sodium Nitrite and the sodium hydroxide is respectively 3%, 39%, 25%, 2%, 6%, 16% and 9%.
The W1.0 diadust is not more than 8% with respect to the weight percent of other industrial chemicals in the hard grind agent, preferably between 3% to 6%, and more preferably 5%.
The W1.0 diadust is used for improving at process of lapping the sticking power of lapping liquid; Sodium Benzoate is used for making diadust to float equably at liquid; Oleic acid is used to cut the silicon nitride spheroid; Sodium hydroxide is used for softening silicon nitride ball surface; Skimmer and tsp are used for comprehensively eliminating foam; Sodium Nitrite plays corrosion-resisting function; And clean-out system is used for the rotating wash bowl bits.
The present invention also provides a kind of method for preparing diadust lapping liquid circulation hard grind agent, comprises the steps: 1) use the scour without sediment motion agitated pool earlier, clear water 50KG then packs into; 2) start well heater, heat water to 50 ℃-60 ℃; 3) Sodium Benzoate, animal oleic acid, clean-out system, tsp, skimmer, Sodium Nitrite and sodium hydroxide are weighed by 3%, 39%, 25%, 2%, 6%, 16%, 9% weight percent; And add an amount of W1.0 diadust; Their gross weight is 13.8Kg, then they is packed in the agitated pool; 4) close heater switch, start and stir switch, raw material was stirred 30 minutes so that it mixes; 5) close the stirring switch, water is added to the 100KG gauging line; 6) switch is stirred in startup once more, stirs to stop after 15 minutes; And 7) cool off, the hard grind agent that forms is packed into is used to adorn in the empty bucket of hard grind agent afterwards.
The present invention also provides the application that diadust lapping liquid circulation hard grind agent is used to grind high precision such as silicon nitride ball, zirconia ball, tungsten-carbide ball, alloy ball, high value added product.
Diadust lapping liquid circulation hard grind agent recycles in the lappingout step of above-mentioned spheroid.
Compare with the grinding agent of prior art, utilize hard grind agent of the present invention to grind and bring following benefit:
1) diadust swims in the solvent equably, can be recycled.
2) comparable other lapping liquid improves grinding efficiency more than 30%; Reason is that diadust evenly floats in solvent, under 2000 times of reading lenses, is irregularly shaped, divided by maximum granularity≤0.1 μ m; And under the comprehensive utilization of various chemical ingredientss, obtained good ground effect.
3) under each chemical ingredients comprehensive action, can form a kind of resist, can guarantee spheroid in process of lapping, the spherome surface zero-fault overcomes disadvantages such as former sphere scratches, chews.
4) can improve dimensional precision (μ m), surfaceness (Ra) and the vibration values (dB) of spheroid, the class of precision of GB308-84-ISO 3290-2008 (the E)-SANDARD that meets international standards, USS AFBMA-STANDARD 10-2008-USA, DIN DIN 5401 (GERMANY) G3-G5 level.For example, can the meet international standards standard of G5 level of the diameter 0.4mm silicon nitride ball smooth finish of being processed with hard grind agent of the present invention, i.e. smooth finish (zero)≤0.003 μ, ball circularity reaches 0.1 μ m.
5) effect is high.Through TE, in the technology of grinding silicon nitride ball, improve 3-5 doubly than traditional method for grinding.
6) owing to utilize ultrahard diamond micro mist circular grinding, can improve abrading-ball plate service efficiency 2-3 doubly.
Description of drawings
The present invention is described below with reference to accompanying drawings by way of example, in the accompanying drawing:
Fig. 1 shows the weight percent of each composition except that diadust in the diadust lapping liquid circulation hard grind agent of the present invention.
Embodiment
Fig. 1 shows the weight percent of each composition except that diadust in the diadust lapping liquid circulation hard grind agent of the present invention.As shown in Figure 1, in this hard grind agent, the weight percent between industrial chemicals Sodium Benzoate, animal oleic acid, clean-out system, tsp, skimmer, Sodium Nitrite and the sodium hydroxide is respectively 3%, 39%, 25%, 2%, 6%, 16% and 9%.
This hard grind agent also comprises an amount of W1.0 diadust, and the W1.0 diadust is not more than 8% with respect to the weight percent of other industrial chemicals in the hard grind agent, preferably between 3% to 6%, and more preferably 5%.
In this hard grind agent, Sodium Benzoate plays the effect of showy diadust (granularity of diadust≤0.1 μ m is evenly distributed in the liquid, is also referred to as the W1.0 diadust); Tsp is the midbody of various chemical elements; Oleic acid plays cutting silicon nitride spheroid; Sodium hydroxide plays the effect on softening silicon nitride ball surface; Skimmer and tsp play the effect of comprehensive elimination foamy; Sodium Nitrite plays etch-proof effect; And clean-out system plays the rotating wash bowl bits.
The preparation method of explanation diadust lapping liquid circulation hard grind agent comprises the steps: 1 below) use the scour without sediment motion agitated pool earlier, clear water 50KG then packs into; 2) start well heater, heat water to 50 ℃-60 ℃; 3) Sodium Benzoate, animal oleic acid, clean-out system, tsp, skimmer, Sodium Nitrite and sodium hydroxide are weighed by 3%, 39%, 25%, 2%, 6%, 16%, 9% weight percent; And add an amount of W1.0 diadust; Their gross weight is 13.8Kg, then they is packed in the agitated pool; 4) close heater switch, start and stir switch, raw material was stirred 30 minutes so that it mixes; 5) close the stirring switch, water is added to the 100KG gauging line; 6) switch is stirred in startup once more, stirs to stop after 15 minutes; And 7) cool off, the hard grind agent that forms is packed into is used to adorn in the empty bucket of hard grind agent afterwards.The said hard grind agent solution that configures is used for recycling at lapping technique.
In the present invention; The applicant utilizes the W1.0 diadust in process of lapping, can improve the mechanism of the sticking power of lapping liquid; In lapping liquid, add an amount of W1.0 diadust, and under the comprehensive action of other each chemical ingredients, can in process of lapping, form layer protecting film on the silicon nitride ball surface; Stoping silicon nitride ball to be scratched effectively or to chew, thereby improve the smooth finish and the dimensional precision of silicon nitride ball effectively.
And; Because diadust evenly floats and in solvent and under 2000 times of reading lenses, is irregularly shaped, granularity≤0.1 μ m, and under the comprehensive utilization of other each chemical ingredients; The lapping liquid of comparable prior art improves grinding efficiency more than 30%, thereby has good ground effect.
Because the diadust price is higher and mainly work to improve the sticking power of lapping liquid, thus only add an amount of W1.0 diadust in the diadust lapping liquid circulation hard grind agent, and can recycle this hard grind agent, to cut down finished cost.
In addition, because diadust lapping liquid circulation hard grind agent costs an arm and a leg, only be directed against high precision such as silicon nitride ball, zirconia ball, tungsten-carbide ball, alloy ball, just using when high value added product grinds.Be that example is elaborated only below with the processing silicon nitride ball.
Diadust lapping liquid circulation hard grind agent is mainly used in lappingout I and the lappingout II step carrying out adding of silicon nitride ball man-hour, so that improve silicon nitride ball surface smoothness and dimensional precision, and improves grinding efficiency.
Describe below and utilize diadust lapping liquid circulation hard grind agent to process G5 level diameter to be as good as sound silicon nitride tiny balls for 0.4mm, it need carry out following process step:
Use diadust lapping liquid circulation hard grind agent in lappingout I that processing 0.4mm is as good as sound silicon nitride tiny balls and lappingout II step.
In lappingout I step, process is 0.405mm, amount of finish 0.095mm, and processing requirement: sweep is the key of precision quality with pressing ditch; (1) distance of plate ditch is wanted appropriateness, and the degree of depth of groove can not surpass 1/3 of sphere diameter; When (2) pressing ditch, the raceway groove inner face is smooth, and burr can not appear in slot wedge, avoids hindering ball, presses the ditch time generally to need about 100 hours.(3) under the situation that above processing requirement all reaches, the silicon nitride ball of can packing into; (4) abrasive material: diadust lapping liquid circulation hard grind agent.
In lappingout II step, process is 0.401mm, amount of finish 0.004mm, and processing requirement: (1) nog plate need be used the nog plate of Y3, and the degree of depth of groove can not surpass 1/3 of sphere diameter; (2) sweep again, when pressing ditch, the raceway groove inner face is smooth, and burr can not appear in slot wedge, avoids hindering ball, presses ditch time requirement more than 120 hours; When (3) pressing ditch, whenever cleared up iron filings with hairbrush, after ditch presses, clean nog plate, till the cleaning of plate ditch with kerosene at a distance from 1 hour; (4) pressure and revolution will transfer to optimum regime; 5) abrasive material: diadust lapping liquid circulation hard grind agent.
In above-mentioned lappingout I and lappingout II step,, also can improve abrading-ball plate service efficiency 2-3 doubly owing to utilize ultrahard diamond micro mist circular grinding.
Silicon nitride ball through above-mentioned lappingout I and lappingout II step can have the described performance index of table 1:
Table 1:
Can find out from table 1: through utilizing diadust lapping liquid circulation hard grind agent, the surface smoothness of the silicon nitride ball after the processing (Ra) reaches 0.003 μ m, and ball circularity reaches the technical indicator of 0.1 μ m.(reach USS AFBMA-STANDARD 10-2008-USA, DIN DIN 5401 (GERMANY) and international standard GB308-84-ISO3290-2005 (E)-SANDARD).
In addition, through TE, the effect of method for grinding of the present invention improves 3-5 doubly than traditional method for grinding in the technology of grinding silicon nitride ball.
It should be noted that diadust lapping liquid circulation hard grind agent of the present invention also can be used for processing high precision, high value added products such as zirconia ball, tungsten-carbide ball, alloy ball.
Though the present invention has been carried out detailed explanation with reference to some embodiment of the present invention, under the situation that does not depart from the scope of the invention, can make amendment or change to these embodiment.The explanation of the preferred embodiment that the spirit of accompanying claims and scope should not be confined to comprise at this, but contained all embodiment in the literal or equivalents that falls into claim.
Claims (11)
1. diadust lapping liquid circulation hard grind agent; This hard grind agent comprises industrial chemicals Sodium Benzoate, animal oleic acid, clean-out system, tsp, skimmer, Sodium Nitrite and the sodium hydroxide of suitable proportion; It is characterized in that; Said hard grind agent also comprises diadust, and said hard grind agent and water are mixed and made into mixed solution, recycles at grinding technics being used for; Wherein, the weight percent between Sodium Benzoate, animal oleic acid, clean-out system, tsp, skimmer, Sodium Nitrite and the sodium hydroxide is respectively 3%, 39%, 25%, 2%, 6%, 16%, 9%; The amount of diadust is not more than 8% with respect to the weight percent of other industrial chemicals in the hard grind agent.
2. diadust lapping liquid circulation hard grind agent as claimed in claim 1, wherein, said diadust is the W1.0 diadust that granularity is less than or equal to 0.1 μ m.
3. according to claim 1 or claim 2 diadust lapping liquid circulation hard grind agent, the amount of diadust with respect to the weight percent of other industrial chemicals in the hard grind agent between 3% to 6%.
4. according to claim 1 or claim 2 diadust lapping liquid circulation hard grind agent, wherein, the amount of diadust is 5% with respect to the weight percent of other industrial chemicals in the hard grind agent.
5. according to claim 1 or claim 2 diadust lapping liquid circulation hard grind agent, wherein, said diadust is used for improving at process of lapping the sticking power of lapping liquid.
6. a preparation method who prepares diadust lapping liquid circulation hard grind agent as claimed in claim 1 comprises the steps:
1) use the scour without sediment motion agitated pool earlier, clear water 50KG then packs into;
2) start well heater, heat water to 50 ℃-60 ℃;
3) industrial chemicals Sodium Benzoate, animal oleic acid, clean-out system, tsp, skimmer, Sodium Nitrite and sodium hydroxide are weighed by 3%, 39%, 25%, 2%, 6%, 16% and 9% weight percent; And add an amount of W1.0 diadust; The amount of W1.0 diadust is not more than 8% with respect to the weight percent of other industrial chemicals in the hard grind agent; Their gross weight is 13.8Kg, then they is added in the agitated pool;
4) close heater switch, start and stir switch, raw material was stirred 30 minutes so that it mixes;
5) close the stirring switch, water is added to the 100KG gauging line;
6) switch is stirred in startup once more, stirs to stop after 15 minutes; And
7) cool off, the hard grind agent that forms is packed into is used to adorn in the empty bucket of hard grind agent afterwards.
7. preparation method as claimed in claim 6, the amount of W1.0 diadust with respect to the weight percent of other industrial chemicals in the hard grind agent between 3% to 6%.
8. preparation method as claimed in claim 6, the amount of W1.0 diadust is 5% with respect to the weight percent of other industrial chemicals in the hard grind agent.
9. preparation method as claimed in claim 6, wherein, said W1.0 diadust is used for improving at process of lapping the sticking power of lapping liquid; Sodium Benzoate is used for making diadust to float equably at liquid; Oleic acid is used to cut the silicon nitride spheroid; Sodium hydroxide is used for softening silicon nitride ball surface; Skimmer and tsp are used for comprehensively eliminating foam; Sodium Nitrite has been used for corrosion-resisting function; And clean-out system is used for the rotating wash bowl bits.
10. will be used to grind the high precision of silicon nitride ball, zirconia ball, tungsten-carbide ball, alloy ball, the application of high added value spheroid like each described diadust lapping liquid circulation hard grind agent among the claim 1-5.
11. with application as claimed in claim 9, said diadust lapping liquid circulation hard grind agent recycles in the lappingout step of said spheroid.
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| CN102615587A (en) * | 2012-04-08 | 2012-08-01 | 无锡市飞云球业有限公司 | Grinding process for high-precision steel bearing ball for automobile |
| CN105038607B (en) * | 2015-06-16 | 2017-09-29 | 东莞市中微纳米科技有限公司 | Efficient sapphire methods of refining and fine grinding fluid |
| CN108624236B (en) * | 2018-06-21 | 2019-12-20 | 北京工业大学 | SiCp/Al composite material grinding and polishing liquid and preparation method thereof |
| CN113060725A (en) * | 2021-04-01 | 2021-07-02 | 河南博锐新材料有限公司 | Diamond surface texturing treatment method |
| CN116217270B (en) * | 2022-12-26 | 2024-04-09 | 何思义 | Production process of diamond film coated dielectric ball with surface of zirconia ball |
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| RU2174138C2 (en) * | 1999-04-21 | 2001-09-27 | Комбинат "Электрохимприбор" | Superfinish polishing diamond paste |
| CN101049676A (en) * | 2007-05-15 | 2007-10-10 | 山东东阿钢球集团有限公司 | Technique for processing silicon fluoride ball in G3 grade |
| CN101486145A (en) * | 2009-01-16 | 2009-07-22 | 北京中材人工晶体有限公司 | Method for processing ceramic bearing ball |
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| RU2174138C2 (en) * | 1999-04-21 | 2001-09-27 | Комбинат "Электрохимприбор" | Superfinish polishing diamond paste |
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