CN103056788A - Method for preparing sharp type epoxide resin binding agent diamond abrasive tool - Google Patents
Method for preparing sharp type epoxide resin binding agent diamond abrasive tool Download PDFInfo
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- CN103056788A CN103056788A CN2012105735062A CN201210573506A CN103056788A CN 103056788 A CN103056788 A CN 103056788A CN 2012105735062 A CN2012105735062 A CN 2012105735062A CN 201210573506 A CN201210573506 A CN 201210573506A CN 103056788 A CN103056788 A CN 103056788A
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- epoxy resin
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- grinding tool
- sharp
- curing agent
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- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 125
- 239000003822 epoxy resin Substances 0.000 title claims abstract description 120
- 239000010432 diamond Substances 0.000 title claims abstract description 78
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 76
- 239000011230 binding agent Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 50
- 239000000945 filler Substances 0.000 claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000000227 grinding Methods 0.000 claims description 99
- -1 auxiliary abrasive Substances 0.000 claims description 30
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 20
- 239000013530 defoamer Substances 0.000 claims description 16
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 16
- 239000010431 corundum Substances 0.000 claims description 15
- 229910052593 corundum Inorganic materials 0.000 claims description 15
- 150000002924 oxiranes Chemical class 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 239000011787 zinc oxide Substances 0.000 claims description 13
- 239000004677 Nylon Substances 0.000 claims description 12
- 239000003082 abrasive agent Substances 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 12
- 229920001778 nylon Polymers 0.000 claims description 12
- 101000598921 Homo sapiens Orexin Proteins 0.000 claims description 11
- 101001123245 Homo sapiens Protoporphyrinogen oxidase Proteins 0.000 claims description 11
- 102100029028 Protoporphyrinogen oxidase Human genes 0.000 claims description 11
- 150000004985 diamines Chemical class 0.000 claims description 11
- 238000006735 epoxidation reaction Methods 0.000 claims description 11
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 10
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 10
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 10
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 9
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 9
- 229920001568 phenolic resin Polymers 0.000 claims description 8
- 239000005011 phenolic resin Substances 0.000 claims description 8
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 8
- 229920002554 vinyl polymer Polymers 0.000 claims description 7
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 claims description 6
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229920000768 polyamine Polymers 0.000 claims description 6
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 6
- 239000000080 wetting agent Substances 0.000 claims description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 5
- 239000005977 Ethylene Substances 0.000 claims description 5
- 230000001588 bifunctional effect Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 125000003700 epoxy group Chemical group 0.000 claims description 5
- 235000019253 formic acid Nutrition 0.000 claims description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 claims description 4
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 claims description 4
- 229910001573 adamantine Inorganic materials 0.000 claims description 4
- KIKYOFDZBWIHTF-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) cyclohex-3-ene-1,2-dicarboxylate Chemical compound C1CC=CC(C(=O)OCC2OC2)C1C(=O)OCC1CO1 KIKYOFDZBWIHTF-UHFFFAOYSA-N 0.000 claims description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 claims description 3
- 229930185605 Bisphenol Natural products 0.000 claims description 3
- 229920000881 Modified starch Polymers 0.000 claims description 3
- 239000004368 Modified starch Substances 0.000 claims description 3
- 239000005062 Polybutadiene Substances 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 150000008065 acid anhydrides Chemical class 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 235000019426 modified starch Nutrition 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 150000003512 tertiary amines Chemical class 0.000 claims description 3
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 229920006332 epoxy adhesive Polymers 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000000320 mechanical mixture Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 abstract description 15
- 239000012530 fluid Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 description 14
- 239000011347 resin Substances 0.000 description 14
- 238000013019 agitation Methods 0.000 description 11
- 239000002585 base Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 3
- 235000012254 magnesium hydroxide Nutrition 0.000 description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000014692 zinc oxide Nutrition 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000011205 Ocimum Nutrition 0.000 description 1
- 241001529734 Ocimum Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000010165 autogamy Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920013657 polymer matrix composite Polymers 0.000 description 1
- 239000011160 polymer matrix composite Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a method for preparing a sharp type epoxide resin binding agent diamond abrasive tool. A working layer is mainly made of diamond abrasive, an epoxide resin binding agent, a curing agent, an auxiliary abrasive, a filler and an auxiliary assistant. The method comprises steps of uniformly mixing 5-20 parts by mass of self-sharpening diamond, 5-28 parts by mass of auxiliary abrasive, 10-40 parts by mass of filler and 0.5-10 parts by mass of auxiliary assistant through a machine; uniformly mixing the mixture, 17-25 parts by mass of liquid epoxide resin and 5-25 parts of curing agent; injecting the fluid mixture to a plastic die through a pouring mode; and obtaining the sharp type epoxide resin binding agent diamond abrasive tool after curing. Compared with the method for preparing the abrasive tool through hot press molding, the method has the advantages that the process is simple, the energy is saved, the emission is reduced, the pollution of solid powder on the environment is reduced, the method is environment-friendly, the production speed is quick, the sharpening degree is high, the self-sharpening performance is good, the polishing effect is good and the service life is long.
Description
Technical field
The present invention relates to a kind of grinding tool, espespecially a kind of preparation method of sharp epoxy resin binder diamond grinding tool.
Background technology
The superhard material resin abrasive tools is as abrasive material take superhard material diamond or cubic boron nitride, take resin-oatmeal as bond, add suitable packing material, have certain geometrical shape, can be suitable for a kind of machining tool that different grindings require by what the technical process such as preparation, mixing, hot-forming, curing and machining were made.The resinoid bonded grinding tool proportion is about 30% ~ 60% in the superhard material grinding tool, and the superhard material resin abrasive tools has raw material and is easy to get, and cost is low; Low-temperature setting, with short production cycle, equipment needed thereby and manufacturing process flow are simple; Grinding efficiency is high; The grinding tool self-sharpening is good, is difficult for stopping up, and processed object surface is difficult for burn; The advantages such as grinding tool has certain elasticity, and polishing performance is good.Affect the factor of sharpness, life-span and the grinding performance of superhard material resin abrasive tools, mainly comprise the factors such as the kind of diamond, resinoid bond and ratio.The resin that can be used as at present polishing abrasive tool has many kinds, such as phenolic resins, epoxy resin, polyurethane resin, Pioloform, polyvinyl acetal etc.What wherein the grinding tool industry was the most frequently used is phenolic resins, and it has higher heat resistance, now has been widely used for making resin wheel, resin cutting slice etc.But cause phenolic resins decomposition or softening owing to emit a large amount of thermal conductances in the grinding process, cohesive force descends, abrasive material comes off in a large number, so that in actual grinding is used, expensive superhard material does not have complete blunt just to come off, this has had a strong impact on grinding efficiency and the grinding ratio of grinding tool, has also caused very large waste simultaneously.And have accessory substance in the Analysis on Curing Process of Phenolic and generate, adhesion strength is low, and rigidity is larger, and polishing performance is poor, is used for making polishing abrasive tool and not bery desirable.In addition, the generation of small-molecular weight accessory substance is arranged in the solidification process, just must pressurize in solidification process if require to make fine and close grinding tool, this will inevitably make complex process.Other various resins, as polyurethane resin, Pioloform, polyvinyl acetal, polyimides, polyphenylene sulfide etc. also all exist complex manufacturing, the factor such as production efficiency is low, and is poisonous and affect its scope of application.
Epoxy resin (EP) is the very important thermosetting resin of a class, and it is one of most widely used matrix resin in the polymer matrix composite.The epoxy resin that adds after curing agent solidifies has good physical and chemical performance, the surface of it and material has excellent adhesive property, dielectric properties are good and cure shrinkage is little, the product size good stability, hardness is high, pliability is better, to alkali and most of solvent-stable, is commonly used for the purposes such as cast, dipping, lamination material, bonding agent, coating.Epoxy resin has the strongest cohesive force, and metal, the multiple material such as nonmetal are had very high cohesive force.This is convenient to add various inserts in grinding tool very much, and it has higher intensity in the situation of inserts large percentage to make grinding tool.Secondly, epoxy resin also has certain heat resistance.Epoxy resin has 20 ~ 300 ℃ heat resistance after with anhydride-cured.If inorganic filler content is high, heat resistance also can further improve.The 3rd, epoxy resin has preferably elasticity, especially add endurable active toughener in the epoxy resin after, elasticity increases substantially.
Chinese patent CN101200053A has reported that a kind of epoxy resin is in conjunction with the grinding tool of abrasive compound, comprise 15 ~ 78% epoxy resin, 2 ~ 44% abrasive material and 4 ~ 18% curing agent, the described abrasive material of its Patent comprises one or more the above combinations in diamond, carborundum or the corundum, curing agent comprises 4,4, the combination of one or more in-methylene dianiline, solid diaminodiphenyl-methane or the liquid modifying ~ amino ~ phenylmethane.The epoxy resin that this invention obtains can be applicable to various grinding-polishing equipment in conjunction with the grinding tool of abrasive compound.
Except the resin kind adopts diamond abrasive from sharp type to diamond, can effectively improve the stock-removing efficiency of grinding tool, Chinese patent CN1762660A has reported a kind of preparation method of diamond resin grinding tool, its feature technology mainly is that the working lining of grinding tool is mainly by self-sharpening diamond abrasive material (12.5 ~ 31.25%, volume ratio, lower with), resinoid bond (40% ~ 50%), filler make (additive that 5 ~ 15% hard carbide, 5 ~ 15% hardening oxidation thing and 0 ~ 3% graphite form), this invention grinding tool grinding efficiency is high, long service life.
Compare with traditional phenolic resin binder diamond tool, although epoxy resin binder diamond grinding tool have the life-span long, polishing effect good, diamond abrasive is difficult for dropping too early in bruting process, processing and forming is simple, still still there is technical problem in yield rate than advantages of higher in reality use and production process:
1, the epoxy resin anti-wear performance is good, and diamond goes out that tough difficulty is large, and ground effect is poor, and is sharp not.
2, be lower than 50% when epoxy resin content, the mixture viscosity after diamond, resin, curing agent and filler stir is large, and the difficulty that flows is large, and grinding tool presents gross blow hole and the discontented defective of cast after the moulding.
3, in the epoxy resin diamond abrasive tool process of preparation different meshes, when the order number of abrasive material was lower than 200 purpose, the abrasive material sedimentation problem often appearred in the grinding tool after the moulding, caused polishing inhomogeneous.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of grinding is sharp, the preparation method of the sharp epoxy resin binder diamond grinding tool of long service life, and it has the prescription of good fluidity.
For solving the problems of the technologies described above, technical solution of the present invention is:
A kind of preparation method of sharp epoxy resin binder diamond grinding tool, its working lining is mainly made by diamond abrasive, epoxy adhesive, curing agent, auxiliary abrasive, filler and other auxiliary addition agents; First with 5 ~ 20 parts of self-sharpening diamonds, 5 ~ 28 parts of auxiliary abrasives, 10 ~ 40 parts of fillers, 0.5 ~ 10 part of other auxiliary addition agent are after the process mechanical mixture is even, with 17 ~ 45 parts of liquid epoxies, after 5 ~ 25 parts in curing agent is mixed together and stirs, by the mode of cast, will have in the mobile said mixture injected plastic mould, obtained sharp epoxy resin binder diamond grinding tool after the curing; Above umber is mass percent.
After described mixture is injected in the mould of plastics, after leaving standstill 5 ~ 60 minutes, the nylon buckles cloth of the upper epoxy resin of in advance coating and curing agent is attached on the not completely crued grinding tool top surface, at 15 ~ 90 ℃, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 12 ~ 24 hours, after grinding tool is put into 80 ~ 90 ℃ of baking ovens and solidified 6 ~ 10 hours, obtain described sharp epoxy resin binder diamond grinding tool.
Described epoxy resin is glycidol fundamental mode epoxy resin or epoxidation of olefins type epoxy resin; Specifically comprise bisphenol A type epoxy resin, bisphenol-s epoxy resin, bisphenol f type epoxy resin, epoxidation linear phenol-aldehyde resin, para-aminophenol triglycidyl group epoxy resin, tetrahydrophthalic acid bisglycidyl ester epoxy resin (711#), amino tetrafunctional epoxy resin, epoxidized polybutadiene, vinyl cyclic ethylene bifunctional epoxy resin (6206#) and 3, a kind of or two kinds and above combination in 4-epoxidation, 6-hexahydrotoluene formic acid epoxy resin (6201#), its epoxide number is 0.23 ~ 1.2.
Described curing agent is one or more the combination in aliphatic polyamine, aromatic polyamine, tertiary amines curing agent, imidazole curing agent, the acid anhydride type curing agent; Specifically comprise 4,4 '-methylene dianiline, liquid modifying diaminodiphenyl-methane, modification diaminodiphenyl-methane with and derivative, PPOX base diamines with and derivative, phenolic aldehyde amine (PPA), methyl tetrahydro phthalic anhydride in one or both and above combination.
Described adamantine kind comprises one or both and the above combination in single-crystal diamond, polycrystalline diamond, the microcrystalline diamond, and employed adamantine particle order number is 25 ~ 3000 orders.
Described auxiliary abrasive comprises one or both combinations in carborundum, the corundum, and the particle order number of the auxiliary abrasive that uses is 25 ~ 3000 orders.
Described filler is mainly a kind of or two kinds and the above combination in aluminium oxide, aluminium hydroxide, zinc oxide, magnesium hydroxide, talcum powder, calcium carbonate, glass powder, the hollow quartzy microballoon, and the particle order number number of the filler that uses is 200 ~ 5000 orders.
Described other auxiliary addition agents are defoamer, and this defoamer is a kind of or two kinds of combinations in modified organic silicon ketone compound, the modified polyether compound, and its consumption mass percent is 0.5 ~ 10 part.
Described other auxiliary addition agents are wetting agent, and this wetting agent is a kind of or two kinds of combinations in the lower alcohols such as ethanol, butanols, and its consumption mass percent is 0.5 ~ 10 part.
Described other auxiliary addition agents are viscosity modifier, this viscosity modifier includes a kind of or two kinds and the above combination in organic silane compound, alkyl phenolic resin, rosin, modified rosin, modified starch, the porous nano particle, and its consumption mass percent is 0.5 ~ 5 part.
The present invention can be applicable to polishing, polishing, especially polishing, the polishing fields such as maturing floor, vitrified tile and ultra hard ceramic of various hard working faces.The present invention compares with the grinding tool of hot-forming preparation, it is easy that its preparation process has operating procedure, energy-saving and emission-reduction, reduce solid dust to the pollution of environment, accomplish environmental protection, the advantages such as speed of production is fast are compared with external existing product, then have the advantages such as sharpness height, self-sharpening is strong, polishing effect good, the life-span is long.
More specifically, the present invention has the following advantages:
1, middle epoxy resin is combined firmly with rough surface, the rough self-sharpening diamond abrasive grain of shape, can avoid coming off too early.
2, along with the reduction of epoxy resin content in the grinding tool, directly contact with processing object from sharp type diamond abrasive grains is easier, and in grinding process " little sword is broken ", formed a plurality of sharp basils, increase and tough speed, thereby improved the grinding Sharpness of grinding tool.
3, add that the auxiliary abrasives such as carborundum, corundum have hardness height, good heat resistance, wearability is good, thermal coefficient of expansion is little, can play the effect of auxiliary abrasive.
4, in order to improve mobile performance, filler among the present invention all adopt have the good lubrication effect, ganoid inorganic filler, reduce the viscosity of epoxy-resin systems, thereby obtain to have the mixture of good casting performance, employed filler can also effectively suppress the sinking that the order number is lower than the abrasive materials such as 200 diamond, carborundum, thereby has been resolved the inhomogeneous problem of diamond distribution when adopting the liquid epoxies cast.
5, the diamond resin grinding tool cost that utilizes the present invention to make remains unchanged substantially, but grinding is sharp, and wearability is greatly improved.
6, compare with existing grinding tool, adopt the mattess test experiments result that polishes is shown that sharpness of the present invention is 2 times of existing commercial product, the life-span is 1.2 times.And if compare with the diamond tool of phenolic resin binder, then sharpness is 1.1 times of existing product, the life-span is its 2.4 times.
7, the present invention adopts pouring type, in the production process environmental protection, and the waste gas of nonpollution environment, the generation of dust, and the grinding tool demoulding is simple, the grinding tool foaming is little, and the finished product rate is high, and diamond distribution is even.
The specific embodiment
Disclosed is a kind of diamond resin grinding tool, its working lining is by epoxy resin and curing agent, diamond and auxiliary abrasive and filler and auxiliary addition agent form, its percentage by weight is followed successively by: 17 ~ 45 parts of liquid epoxies, 5 ~ 25 parts of liquid curing-agents, 5 ~ 20 parts in diamond, 5 ~ 28 parts of auxiliary abrasives, 10 ~ 40 parts of fillers, 0.5 ~ 10 part of auxiliary addition agent, wherein: the epoxide number of selected liquid epoxies is 0.23 ~ 1.2, this epoxy resin can be glycidyl type epoxy resin or epoxidation of olefins type epoxy resin, specifically comprise bisphenol A type epoxy resin, bisphenol-s epoxy resin, bisphenol f type epoxy resin, the epoxidation linear phenol-aldehyde resin, para-aminophenol triglycidyl group epoxy resin, tetrahydrophthalic acid bisglycidyl ester epoxy resin (711#), amino tetrafunctional epoxy resin, epoxidized polybutadiene, a kind of or two kinds and above combination in vinyl cyclic ethylene bifunctional epoxy resin (6206#) and 3,4-epoxidation, the 6-hexahydrotoluene formic acid epoxy resin (6201#).Described curing agent is one or more the combination in aliphatic polyamine, aromatic polyamine, tertiary amines curing agent, imidazole curing agent, the acid anhydride type curing agent; Specifically comprise 4,4 '-methylene dianiline, liquid modifying diaminodiphenyl-methane, modification diaminodiphenyl-methane with and derivative, PPOX base diamines with and derivative, phenolic aldehyde amine (PPA), methyl tetrahydro phthalic anhydride in one or both and above combination.Comprise a kind of in monocrystalline, polycrystalline and the crystallite or the combination more than 2 kinds from sharp type diamond.Auxiliary abrasive comprises one or both combinations in carborundum or the corundum, and filler comprises a kind of or two kinds and the above composition in aluminium oxide, aluminium hydroxide, zinc oxide, magnesium hydroxide, talcum powder, calcium carbonate, glass powder, the hollow quartzy microballoon.Auxiliary addition agent comprises several components such as defoamer, thickener, thinner, wetting agent or viscosity modifier, wherein said defoamer is a kind of or two kinds of combinations in modified organic silicon ketone compound, the modified polyether compound, and its consumption mass percent is 0.5 ~ 10 part; Described wetting agent is a kind of or two kinds of combinations in the lower alcohols such as ethanol, butanols, and its consumption mass percent is 0.5 ~ 10 part; Described viscosity modifier includes a kind of or two kinds and the above combination in organic silane compound, alkyl phenolic resin, rosin, modified rosin, modified starch, the porous nano particle, and its consumption mass percent is 0.5 ~ 5 part.Above solid material is proportionally after the weighing, after the process mechanical agitation mixes, after mixing with epoxy resin, curing agent respectively, mode by cast, to have mobile said mixture and inject difform mould of plastics, after 3 ~ 24 hours, obtained sharp epoxy resin binder diamond grinding tool 15 ~ 90 ℃ of curing.
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
Press mass percent, grain size number is 13 parts of 50 purpose polycrystalline diamond micro mists, grain size number is 12 parts of 50 order silicon carbide micro-powders, grain size number is 4 parts in 200 order corundum, 25 parts in grain size number 1000 order aluminium hydroxides, 5 parts of grain size number 200 order glasses, 3 parts in grain size number 400 order zinc oxide, 0.5 part of defoamer, after 1 part of process of butanols mechanical agitation, add epoxy resin (E ~ 44, epoxide number are 0.44) 30 parts, phenolic aldehyde amine (PPA, goods number is T ~ 31) 6.5 parts, after stirring into uniform fluid, in pouring type injected plastic mould, leave standstill 20 minutes after, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 25 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 12 hours, and grinding tool is put into 90 ℃ of baking ovens and solidified after 6 hours, has obtained embodiment 1 sharp epoxy resin binder diamond grinding tool.
Embodiment 2
Press mass percent, grain size number is 8 parts of 50 order polycrystalline diamond micro mists, grain size number is 17 parts of 50 order silicon carbide micro-powders, grain size number is 8 parts in 200 order corundum, 15 parts in grain size number 800 order aluminium hydroxides, 15 parts of grain size number 200 order glasses, 2 parts in grain size number 400 order zinc oxide, 0.5 part of defoamer, after 1 part of process of butanols mechanical agitation, add epoxy resin (E ~ 51, epoxide number is 0.55) 20 parts, 13.5 parts of PPOX base diamines (goods number is D230), stir into uniform fluid after, in pouring type injected plastic mould, after leaving standstill 35 minutes, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 15 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 24 hours, grinding tool is put into 80 ℃ of baking ovens and is solidified after 8 hours, has obtained embodiment 2 sharp epoxy resin binder diamond grinding tools.
Embodiment 3
Press mass percent, grain size number is 5 parts of 50 order polycrystalline diamond micro mists, grain size number is 20 parts of 50 order silicon carbide micro-powders, grain size number is 8 parts in 200 order corundum, 10 parts of grain size number 1000 order magnesium hydroxides, 20 parts of grain size number 400 order glasses, 2 parts in grain size number 400 order zinc oxide, 0.5 part of defoamer, after 1 part of process of ethanol mechanical agitation, add epoxy resin (E ~ 51, epoxide number are 0.51) 18 parts, amino tetrafunctional epoxy resin (AG-80#) 4 parts, 9.5 parts of PPOX base diamines (goods number is D230), 2 parts of phenolic aldehyde amine (PPA), stir into uniform fluid after, in pouring type injected plastic mould, after leaving standstill 20 minutes, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 30 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 24 hours, grinding tool is put into 90 ℃ of baking ovens and is solidified after 10 hours, has obtained embodiment 3 sharp epoxy resin binder diamond grinding tools.
Embodiment 4
Press mass percent, grain size number is 18 parts of 50 order polycrystalline diamond micro mists, grain size number is 7 parts of 50 order silicon carbide micro-powders, grain size number is 2 parts in 200 order corundum, 20 parts in grain size number 2000 order aluminium hydroxides, 5 parts of grain size number 400 order glasses, 3 parts in grain size number 400 order zinc oxide, 0.5 part of defoamer, after 1 part of process of ethanol mechanical agitation, add epoxy resin (E ~ 44, epoxide number is 0.44) 27 parts, 10 parts of tetrahydrophthalic acid bisglycidyl ester epoxy resins (711#), 5.5 parts of liquid modifying diaminodiphenyl-methanes, 1 part of methyl tetrahydro phthalic anhydride, after stirring into uniform fluid, in pouring type injected plastic mould, after leaving standstill 15 minutes, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, at temperature 45 C, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 18 hours, grinding tool is put into 90 ℃ of baking ovens and is solidified after 8 hours, has obtained embodiment 4 sharp epoxy resin binder diamond grinding tools.
Embodiment 5
Press mass percent, grain size number is 20 parts of 50 order polycrystalline diamond micro mists, grain size number is 8 parts of 50 order silicon carbide micro-powders, grain size number is 3 parts in 100 order corundum, 8 parts in grain size number 2000 order aluminium hydroxides, 5 parts in grain size number 400 order zinc oxide, 5 parts of viscosity modifiers, 0.5 part of defoamer, after 1 part of process of ethanol mechanical agitation, add epoxy resin (E ~ 44, epoxide number are 0.44) 21 parts, 20 parts of epoxidized polybutadienes (D-17# epoxy resin), 6.5 parts of liquid modifying diaminodiphenyl-methanes, 2 parts of PPOX base diamines, stir into uniform fluid after, in pouring type injected plastic mould, after leaving standstill 35 minutes, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 55 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 20 hours, grinding tool is put into 90 ℃ of baking ovens and is solidified after 7 hours, has obtained embodiment 5 sharp epoxy resin binder diamond grinding tools.
Embodiment 6
Press mass percent, grain size number is 10 parts of 50 order polycrystalline diamond micro mists, grain size number is 17 parts of 50 order silicon carbide micro-powders, grain size number is 9 parts in 100 order corundum, 20 parts of grain size number 2000 order talcum powder, 3 parts in grain size number 400 order zinc oxide, 0.5 part of defoamer, after 1 part of process of butanols mechanical agitation, add epoxy resin (E ~ 44, epoxide number is 0.44) 16 parts, 10 parts of vinyl cyclic ethylene bifunctional epoxy resins (6206#), 13.5 parts of PPOX base diamines (goods number is D230), stir into uniform fluid after, in pouring type injected plastic mould, after leaving standstill 45 minutes, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 75 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 20 hours, grinding tool is put into 90 ℃ of baking ovens and is solidified after 7 hours, has obtained embodiment 6 sharp epoxy resin binder diamond grinding tools.
Embodiment 7
Press mass percent, grain size number is 12 parts of 50 order polycrystalline diamond micro mists, grain size number is 10 parts of 50 order silicon carbide micro-powders, grain size number is 5 parts in 100 order corundum, 25 parts in grain size number 1000 order aluminium hydroxides, 12 parts of grain size number 200 order glasses, 3 parts in grain size number 400 order zinc oxide, 0.5 part of defoamer, 0.5 part in butanols, after 0.5 part of process of ethanol mechanical agitation, add epoxy resin (E ~ 44, epoxide number is 0.44) 14 parts, 3,5 parts of 4-epoxidation, 6-hexahydrotoluene formic acid epoxy resin (6201#), 12.5 parts of PPOX base diamines (goods number is D230), after stirring into uniform fluid, in pouring type injected plastic mould, after leaving standstill 60 minutes, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 85 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 20 hours, and grinding tool is put into 90 ℃ of baking ovens and solidified after 7 hours, has obtained embodiment 7 sharp epoxy resin binder diamond grinding tools.
Embodiment 8
Press mass percent, grain size number is 12 parts of 100 order polycrystalline diamond micro mists, grain size number is 16 parts of 100 order silicon carbide micro-powders, grain size number is 9 parts in 100 order corundum, 20 parts of grain size number 1000 order talcum powder, 3 parts in grain size number 400 order zinc oxide, 0.5 part of defoamer, 0.5 part in butanols, after 0.5 part of process of ethanol mechanical agitation, add epoxy resin (E ~ 44, epoxide number are 0.44) 24 parts, 3,5 parts of 4-epoxidation, 6-hexahydrotoluene formic acid epoxy resin (6201#), 9.5 parts of PPOX base diamines (goods number is D230), stir into uniform fluid after, in pouring type injected plastic mould, after leaving standstill 20 minutes, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 90 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 20 hours, grinding tool is put into 90 ℃ of baking ovens and is solidified after 7 hours, has obtained embodiment 8 sharp epoxy resin binder diamond grinding tools.
Embodiment 9
Press mass percent, grain size number is 15 parts of 50 order polycrystalline diamond micro mists, grain size number is 8 parts of 50 order silicon carbide micro-powders, grain size number is 8 parts in 100 order corundum, 10 parts in grain size number 800 order aluminium hydroxides, 3 parts in grain size number 400 order zinc oxide, 5 parts of viscosity modifiers, 0.5 part of defoamer, 0.5 part in butanols after 0.5 part of process of ethanol mechanical agitation, adds epoxy resin (E ~ 44, epoxide number is 0.44) 24 parts, 11 parts of vinyl cyclic ethylene bifunctional epoxy resins (6206#), 14.5 parts of PPOX base diamines (goods number is D230), stir into uniform fluid after, in pouring type injected plastic mould, after leaving standstill 10 minutes, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 20 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 20 hours, grinding tool is put into 90 ℃ of baking ovens and is solidified after 7 hours, has obtained embodiment 9 sharp epoxy resin binder diamond grinding tools.
Embodiment 10
Press mass percent, grain size number is 13 parts of 100 order polycrystalline diamond micro mists, grain size number is 12 parts of 100 order silicon carbide micro-powders, grain size number is 4 parts in 200 order corundum, 25 parts in grain size number 400 order aluminium hydroxides, 5 parts of grain size number 200 order glasses, 3 parts in grain size number 400 order zinc oxide, 0.5 part of defoamer, 0.5 part in butanols is after 0.5 part of process of ethanol mechanical agitation, add epoxy resin (E ~ 51, epoxide number is 0.51) 24 parts, 6 parts of PPOX base diamines (goods number is D230), phenolic aldehyde amine (PPA, goods number is T ~ 31) 6.5 parts, after stirring into uniform fluid, in pouring type injected plastic mould, leave standstill 5 minutes after, the nylon buckles cloth that will be coated with in advance epoxy resin (E ~ 44) and curing agent phenolic aldehyde amine (PPA) is attached on the not completely crued grinding tool top surface, 30 ℃ of temperature, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 12 hours, and grinding tool is put into 90 ℃ of baking ovens and solidified after 6 hours, has obtained embodiment 10 sharp epoxy resin binder diamond grinding tools.
For better explanation sharpness of the present invention and life-span effect, test process is following and referring to table 1:
1, the grade of abrasive tool after the curing adopts GB/T231.1 ~ 2009 method of testings to measure, and tester is the mean value that the manual Rockwell apparatus of HR-150A type (Shanghai Lian Er experimental facilities Co., Ltd) is got 5 tests.
2, the life-span of grinding tool, the sharpness method of testing is as follows:
Sander adopts the mechanical XY of Co., Ltd of Xing Yi (China) ~ Q880 model sander (9 cutter heads, construction weight is 400 kilograms), autogamy dust catcher.According to the test ground of 1000 squares of pea gravel concreten ground construction technological standards (704 ~ 1996) preparations, Mohs' hardness 8.0.This ground is first with after the thick polishing of 50# purpose metal grinding tool, uses each 9 of grinding tools that Comparative Examples 1 and embodiment 1 ~ 7 prepare in XY ~ Q880 model sander polish respectively dust after 100 square metres and the waste of grinding tool again.Comparative Examples 2 then is based on the rear ground of above-described embodiment 1 ~ 7 polishing according to identical method test with 9 of the grinding tools that embodiment 8 ~ 10 prepares.
Comparative Examples 1
Trade name NATO(Bulgaria), grain size number is respectively 9 of 50 purpose grinding tools, and resinoid bond is epoxy resin.
Comparative Examples 2
Trade name NATO(Bulgaria), grain size number is respectively 9 of 100 purpose grinding tools, and resinoid bond is epoxy resin.
Table 1, Comparative Examples, embodiment hardness, sharpness and Life Table
| ? | Rockwell hardness (HC) | Sharpness | Life-span |
| Comparative Examples 1 | 69.5 | 1.0 | 1.0 |
| Embodiment 1 | 71.3 | 1.62 | 1.56 |
| Embodiment 2 | 72.1 | 1.44 | 1.23 |
| Embodiment 3 | 71.2 | 1.15 | 1.43 |
| Embodiment 4 | 70.3 | 1.83 | 1.58 |
| Embodiment 5 | 70.4 | 2.13 | 1.72 |
| Embodiment 6 | 70.6 | 1.35 | 1.28 |
| Embodiment 7 | 31.3 | 1.46 | 1.32 |
| Comparative Examples 2 | 68.9 | 1.0 | 1.0 |
| Embodiment 8 | 70.1 | 1.38 | 1.27 |
| Embodiment 9 | 71.1 | 1.52 | 1.41 |
| Embodiment 10 | 70.6 | 1.48 | 1.39 |
The above is preferred embodiment of the present invention only, is not to limit scope of the invention process.So variation or the modification in every case done according to claim of the present invention and specification all should belong within the scope that patent of the present invention contains.
Claims (10)
1. the preparation method of a sharp epoxy resin binder diamond grinding tool, it is characterized in that: its working lining is mainly made by diamond abrasive, epoxy adhesive, curing agent, auxiliary abrasive, filler and auxiliary addition agent; First with 5 ~ 20 parts of self-sharpening diamonds, 5 ~ 28 parts of auxiliary abrasives, 10 ~ 40 parts of fillers, 0.5 ~ 10 part of other auxiliary addition agent are after the process mechanical mixture is even, with 17 ~ 45 parts of liquid epoxies, after 5 ~ 25 parts in curing agent is mixed together and stirs, by the mode of cast, will have in the mobile said mixture injected plastic mould, obtained sharp epoxy resin binder diamond grinding tool after the curing; Above umber is mass percent.
2. the preparation method of a kind of sharp epoxy resin binder diamond grinding tool according to claim 1, it is characterized in that: after described mixture is injected in the mould of plastics, after leaving standstill 5 ~ 60 minutes, the nylon buckles cloth of the upper epoxy resin of in advance coating and curing agent is attached on the not completely crued grinding tool top surface, at 15 ~ 90 ℃, pressure is not less than to leave standstill under the 1500Pa and solidifies the demoulding after 12 ~ 24 hours, after grinding tool is put into 80 ~ 90 ℃ of baking ovens and solidified 6 ~ 10 hours, obtain described sharp epoxy resin binder diamond grinding tool.
3. the preparation method of described a kind of sharp epoxy resin binder diamond grinding tool one of according to claim 1-2, it is characterized in that: described epoxy resin is glycidol fundamental mode epoxy resin or epoxidation of olefins type epoxy resin; These epoxy resin have comprised bisphenol A type epoxy resin, bisphenol-s epoxy resin, bisphenol f type epoxy resin, epoxidation linear phenol-aldehyde resin, para-aminophenol triglycidyl group epoxy resin, tetrahydrophthalic acid bisglycidyl ester epoxy resin, amino tetrafunctional epoxy resin, epoxidized polybutadiene, vinyl cyclic ethylene bifunctional epoxy resin and 3, a kind of or two kinds and above combination in 4-epoxidation, 6-hexahydrotoluene formic acid epoxy resin, its epoxide number is 0.23 ~ 1.2.
4. the preparation method of described a kind of sharp epoxy resin binder diamond grinding tool one of according to claim 1-2 is characterized in that: described curing agent is one or more the combination in aliphatic polyamine, aromatic polyamine, tertiary amines curing agent, imidazole curing agent, the acid anhydride type curing agent; Specifically comprise 4,4 '-methylene dianiline, liquid modifying diaminodiphenyl-methane, modification diaminodiphenyl-methane with and derivative, PPOX base diamines with and derivative, phenolic aldehyde amine, methyl tetrahydro phthalic anhydride in one or both and above combination.
5. the preparation method of described a kind of sharp epoxy resin binder diamond grinding tool one of according to claim 1-2, it is characterized in that: described adamantine kind comprises one or both and the above combination in single-crystal diamond, polycrystalline diamond, the microcrystalline diamond, and employed adamantine particle order number is 25 ~ 3000 orders.
6. the preparation method of described a kind of sharp epoxy resin binder diamond grinding tool one of according to claim 1-2, it is characterized in that: described auxiliary abrasive comprises one or both combinations in carborundum, the corundum, and the particle order number of the auxiliary abrasive that uses is 25 ~ 3000 orders.
7. the preparation method of described a kind of sharp epoxy resin binder diamond grinding tool one of according to claim 1-2, it is characterized in that: described filler is mainly a kind of or two kinds and the above combination in aluminium oxide, aluminium hydroxide, zinc oxide, magnesium hydroxide, talcum powder, calcium carbonate, glass powder, the hollow quartzy microballoon, and the particle order number number of the filler that uses is 200 ~ 5000 orders.
8. the preparation method of described a kind of sharp epoxy resin binder diamond grinding tool one of according to claim 1-2, it is characterized in that: described auxiliary addition agent is defoamer, this defoamer is a kind of or two kinds of combinations in modified organic silicon ketone compound, the modified polyether compound, and its consumption mass percent is 0.5 ~ 10 part.
9. the preparation method of described a kind of sharp epoxy resin binder diamond grinding tool one of according to claim 1-2, it is characterized in that: described auxiliary addition agent is wetting agent, this wetting agent is a kind of or two kinds of combinations in ethanol, the butanols, and its consumption mass percent is 0.5 ~ 10 part.
10. the preparation method of described a kind of sharp epoxy resin binder diamond grinding tool one of according to claim 1-2, it is characterized in that: described auxiliary addition agent is viscosity modifier, this viscosity modifier includes a kind of or two kinds and the above combination in organic silane compound, alkyl phenolic resin, rosin, modified rosin, modified starch, the porous nano particle, and its consumption mass percent is 0.5 ~ 5 part.
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Effective date of registration: 20181017 Address after: 362101 Zeng CuO Industrial Zone, Tu Han Town, Huian, Quanzhou, Fujian Patentee after: Huian Yuxin Diamond Tools Co.,Ltd. Address before: 361000 12C, bonded market building, 88 Xiangyu Road, modern logistics park, Xiamen, Fujian Patentee before: Ashine Diamond Tools Co.,Ltd. |
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