CN108908149A - A kind of refrigeration compressor parts machining grinding abrasive disk and its processing technology - Google Patents
A kind of refrigeration compressor parts machining grinding abrasive disk and its processing technology Download PDFInfo
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- CN108908149A CN108908149A CN201811032196.7A CN201811032196A CN108908149A CN 108908149 A CN108908149 A CN 108908149A CN 201811032196 A CN201811032196 A CN 201811032196A CN 108908149 A CN108908149 A CN 108908149A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
Abstract
The invention discloses a kind of refrigeration compressor parts machining grinding abrasive disks, and the abrasive material including grinding wheel base body and on grinding wheel base body, abrasive material includes following components according to the mass fraction：Abrasive material：40-50 parts, bonding agent：20-30 parts, pore creating material：5-8 parts, binder：6-8 parts, wetting agent：1-3 parts, carbon fiber/epoxy resin composite material：2-4 parts, zinc stannate：2-3 parts, wherein：Abrasive material is the mixture of nickel plating diamond, PA pink fused alumina, microcrystal fused alumina, in mass ratio meter nickel plating diamond：PA pink fused alumina：Microcrystal fused alumina=3:1:1.5；Bonding agent includes silica, boron carbide, boron oxide, aluminium oxide, magnesia, Anhydrous potassium carbonate, calcium oxide, sodium carbonate；Wetting agent is the mixture of cresols, polyvinyl alcohol, counts cresols by volume：Polyvinyl alcohol=1:2；The present invention processing technology is simple and easy, processes grinding abrasive disk high temperature resistant, and grinding accuracy is high.
Description
Technical field
The present invention relates to a kind of grinding abrasive disk and its processing technologys, and in particular to a kind of refrigeration compressor parts machining frosted
Wheel and its processing technology.
Background technique
Refrigeration compressor is the core and heart of refrigeration system, and the ability and feature for compressing power traction determine refrigeration system
Ability and feature, in some sense, designing and matching for refrigeration system is exactly to embody the ability of compressor；Therefore, generation
Various countries of boundary refrigeration industry has put into a large amount of energy, new research direction and research achievement in the research of refrigeration compressor invariably
It continuously emerging, the technology and performance level of compressor are maked rapid progress, and there are many type of compressor, according to the difference of operation principle,
Refrigeration compressor can be divided into fixed displacement compressor and variable compressor, and refrigeration compressor grinding of components in processing is
Indispensable, Grinding Technology is the key areas in manufacturing technology, be realized in modern mechanical manufacturing industry Precision Machining,
Superfinishing fining-off is most effective, most widely used technology, with industrial development needs and material science it is continuous prominent
Broken and innovation, various high intensity, high rigidity, anticorrosive and resistant to high temperature new material come into being, to realize these materials
Precision Machining and Ultra-precision Turning meet people to product high-precision, and quality requirements, Grinding Technology has obtained widely
Using and development, grinding wheel is the most widely used machining tool in Grinding Technology, and at present using it is more for consolidation
Abrasive grinding wheel and electroplating abrasion wheel, the concretion abrasive grinding wheel of traditional handicraft manufacture be by varigrained magic grain using bonding agent by its
It is consolidated into different shape size, and the grinding tool for grinding with some strength and rigidity, refrigeration compressor components
High-precision depend on that one of factor is exactly grinding wheel, research and development refrigeration compressor parts machining grinding abrasive disk have significant application value and
Wide application prospect.
Summary of the invention
The technical problem to be solved by the present invention is to propose a kind of refrigeration pressure for the above disadvantage of the existing technology
Contracting machine parts machining grinding abrasive disk and its processing technology, the processing technology is simple and easy, processes grinding abrasive disk high temperature resistant, grinding essence
Degree is high.
The technical solution that the present invention solves the above technical problem is：
A kind of refrigeration compressor parts machining grinding abrasive disk, the abrasive material including grinding wheel base body and on grinding wheel base body, abrasive material
Layer includes following components according to the mass fraction：
Abrasive material：40-50 parts, bonding agent：20-30 parts, pore creating material：5-8 parts, binder：6-8 parts, wetting agent：1-3 parts, carbon fiber
Dimension/epoxy resin composite material：2-4 parts, zinc stannate：2-3 parts, wherein：
Abrasive material is the mixture of nickel plating diamond, PA pink fused alumina, microcrystal fused alumina, in mass ratio meter nickel plating diamond：PA pink fused alumina：
Microcrystal fused alumina=3:1:1.5；
Bonding agent includes silica according to the mass fraction：40-50 parts, boron carbide：5-7 parts, boron oxide：3-5 parts, aluminium oxide：
4-6 parts, magnesia：5-7 parts, Anhydrous potassium carbonate：3-5 parts, calcium oxide：1-3 parts, sodium carbonate：3-5 parts；
Pore creating material is one or more of calcium carbonate, hollow alumina ball, graphite particle；
Wetting agent is the mixture of cresols, polyvinyl alcohol, counts cresols by volume：Polyvinyl alcohol=1:2.
The technical solution that the present invention further limits is：
In aforementioned refrigeration compressor parts machining grinding abrasive disk, bonding agent is prepared according to the following steps：
（1）Bonding agent each component is mixed, is added in ball mill after mixing and carries out mix grinding, pellet ratio is 3 in ball mill:1, ball
Grinding machine revolution 120-130 turns, and ball milling 20-25, discharged 200 mesh screens；
（2）Mixture after sieve excessively is put into high temperature furnace, fritting is carried out at 1200-1300 DEG C, is then carried out at water quenching
Reason, and by material after water quenching be put into air dry oven at 70-80 DEG C keep the temperature 12-14h it is stand-by；
（3）By step（2）Material obtained is added in ball mill and carries out ball-milling treatment, and ball-milling medium is corundum ball, the body of ball material
Product is than being 1:3, then discharged 200 mesh screens, obtains bonding agent.
In aforementioned refrigeration compressor parts machining grinding abrasive disk, binder includes following components according to the mass fraction：
Modifying epoxy resin by organosilicon：20-25 parts, polyether polyol：10-20 parts, organic solvent：5-10 parts, pigments and fillers：1-3
Part, lithium bentonite：2-4 parts, defoaming agent：3-5 parts, fire retardant：1-2 parts, levelling agent：2-4 parts, anti skinning agent：1-2 parts, touching
Become agent：0.3-0.4 parts, curing agent：4-8 parts, coupling agent：4-8 parts, inert filler：0.03-0.05 parts；
Inert filler is by weight percentage comprising following component：Y：13-15%, Sc：16-18%, Gd：9-11%, Sm： 18-
20%, Pr：9-11%, surplus La, the sum of the above components are 100%；
Organic solvent be acetone, butanone or N-Methyl pyrrolidone, in ethyl alcohol it is a kind of；Pigments and fillers are titanium dioxide and chlorination
The mixture of zinc, wherein the mass ratio of titanium dioxide and zinc chloride is 1：2；Defoaming agent is tributyl phosphate；Levelling agent is polyethers
Modified dimethyl siloxane；Anti skinning agent is methyl ethyl ketoxime；Thixotropic agent is fumed silica or organobentonite；Curing agent is
One of ethylenediamine, diethylenetriamine, triethylene tetramine, diamino-diphenyl methyl sulfone, isophorone diamine or polyamide 6 50
Or it is several, coupling agent is γ aminopropyltriethoxy silane, γ-Mercaptopropyltriethoxysilane or γ-glycidol ether
One or more of base trimethoxy silane.
In aforementioned refrigeration compressor parts machining grinding abrasive disk, modifying epoxy resin by organosilicon is by the way of " anti-to be added dropwise "
It is prepared, concrete operations are as follows：First methyltriethoxysilane, dibutyl tin dilaurate, epoxy resin are added anti-
It answers in device, then deionized water is added dropwise, when water shortage, methyltriethoxysilane hydrolysis is suppressed, and silanol is substantially soluble in body
In system, polycondensation reaction can be carried out relatively evenly, and no gel generates, and form modifying epoxy resin by organosilicon.
The present invention also designs a kind of processing technology of refrigeration compressor parts machining grinding abrasive disk,
（1）Grinding wheel ingredient
By abrasive material, bonding agent, zinc stannate, wetting agent and pore creating material carry out ingredient, ball milling 20-23 hours in the ball mill；
（2）Mixing
Take above-mentioned steps（1）In mixture and carbon fiber/epoxy resin composite material it is even with hairbrush brush, then with low viscosity second
Alcohol instills in mixture, then mix with carbon fiber/epoxy resin composite material, stone roller is ground in mortar extremely without obvious color difference, then use
Rotor carries out mechanical stirring, adds binder and is uniformly mixed, re-sieving；
（3）Molding
By above-mentioned steps（2）In the molding mass that mixes and grinding wheel base body be pressed into phase with 30-32MPa pressure on press machine
Answer the grinding wheel idiosome of size；
（4）It is dry
By above-mentioned steps（3）In molding grinding wheel idiosome be dried at room temperature for 5-8 hours, be then transferred into baking oven at 75 DEG C
It is 20-25 hours dry；
（5）Sintering
By above-mentioned steps（4）In grinding wheel idiosome be warming up to 820 DEG C in nitrogen atmosphere with the rate of 3 DEG C/min after keep the temperature 1.2-
1.5 hours, then it is cooled to room temperature；
（6）Finished product
By grinding wheel idiosome by the assembling of multi-disc bonding, matrix is rough turn, matrix smart car, determine matrix datum level, matrix aperture smart car,
Grinding wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing process, and final inspection storage obtains refrigeration compressor components and adds
Work grinding abrasive disk.
The beneficial effects of the invention are as follows：
It is high that carbon fiber hardness and strength are used in the present invention, it is very fast using common abrasive wear, therefore use boron carbide, carbon
Change boron abrasive grain multiple-cutting-edge is sharp and high-temperature stability is good, prepares grinding wheel using the abrasive material that nickel plating diamond and microcrystal fused alumina mix, right
Than general abrasive material, the grinding performances such as grinding wheel processing efficiency of the invention and grinding wheel service life are best, grinding wheel processing of the invention
Component surface better quality, microstructure variation and surface residual stress are smaller, and grinding wheel has the preferable bits, cooling of holding
Ability reduces grinding temperature, grinding force reduction, is the main reason for obtaining preferable surface integrity；
Effectively pass through interparticle gap wetting particle surface using low viscosity alcohol when mixing of the present invention, eliminates different material
Between repulsive interaction, adhere to abrasive material in the tree powder body, promote immixture；Grinding wheel made from compound mixing, structure are equal
Even, grinding wheel integral color is consistent and circumferential surface is complete, the grinding wheel prepared using the dry-mixed mixing method of common purely mechanic stirring,
After carrying out circumference amendment to grinding wheel, circumferential section region occurs that material collapses block and circumference shows that there are apparent abrasive agglomerates；
Pigments and fillers dosage is more in the present invention, is easy to happen powder particles sedimentation or the phenomenon that demixing of solvents, and reducing its fineness can be with
The sinking speed of powder particles is reduced to a certain extent, but can only postpone to settle and cannot prevent from settling, and organic swelling is added
Native rheological agent can obtain significant anti-settling effect, and organobentonite have many advantages, such as it is from a wealth of sources, cheap；
Ball-milling method is widely used in the preparation research wherein most powder of metal and alloy powder in Process During High Energy Ball Milling
Granularity reduces, and some chemical reactions have occurred, meanwhile, ball milling can also prepare ultra-fine inorganic particle, by prolonged
Ball milling, powder can reach Nano grade substantially, and the reduction of diameter of particle will increase its reactivity and sintering driving force, to drop
Its low sintering temperature；
First methyltriethoxysilane is added in reactor using " anti-to be added dropwise " mode in the present invention, then deionized water is added dropwise
Reactor first is added in water and catalyst relative to " positive to be added dropwise ", then methyltriethoxysilane monomer is added dropwise and is reacted
When, the water in reactor is excessive, and solvent is seldom, when dibutyl tin dilaurate concentration is ten thousand/what time, methyl triethoxy
Silane can hydrolyze rapidly, if methyltriethoxysilane hydrolysis degree is big, and solvent cannot timely and effective dissolution silanol when, meeting
Gel is quickly formed, makes to react easily controllable, inhibits the formation of gel, improve the stability of system using " anti-to be added dropwise " mode.
Distinctive epoxy group, the presence through base, ehter bond isoreactivity group, assign its many excellent properties in epoxy resin.
Not only closely knit, anti-leakage, water resistant, intensity are high, but also have good mechanical mechanics property, and caking property, superior electrical property are resistance to low
Warm nature can be good, can be used as adhesive coating excellent in anti-friction coating, but because its high temperature resistance is bad, therefore in the present invention
Using modified epoxy, modified epoxy has many advantages, such as that cohesive force is strong, chemical reagent-resistant performance is good, and modified epoxy energy
The ability that coating resists water, ion penetrates into is enhanced, the binding force between coating and metallic matrix is improved, to improve coating
Protective capacities, moreover it is possible to increase the intensity of coating, improve adhesive force, improve rheological property, reduce cost.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of refrigeration compressor parts machining grinding abrasive disks, including grinding wheel base body and on grinding wheel base body
Abrasive material, abrasive material include following components according to the mass fraction：
Abrasive material：40 parts, bonding agent：20 parts, pore creating material：5 parts, binder：6 parts, wetting agent：1 part, carbon fiber/epoxy resin is multiple
Condensation material：2 parts, zinc stannate：2 parts, wherein：
Abrasive material is the mixture of nickel plating diamond, PA pink fused alumina, microcrystal fused alumina, in mass ratio meter nickel plating diamond：PA pink fused alumina：
Microcrystal fused alumina=3:1:1.5；
Bonding agent includes silica according to the mass fraction：40 parts, boron carbide：5 parts, boron oxide：3 parts, aluminium oxide：4 parts, oxidation
Magnesium：5 parts, Anhydrous potassium carbonate：3 parts, calcium oxide：1 part, sodium carbonate：3 parts；
Pore creating material is calcium carbonate；
Wetting agent is the mixture of cresols, polyvinyl alcohol, counts cresols by volume：Polyvinyl alcohol=1:2.
Above-mentioned bonding agent clicks step preparation：
（1）Bonding agent each component is mixed, is added in ball mill after mixing and carries out mix grinding, pellet ratio is 3 in ball mill:1, ball
120 turns of grinding machine revolution, ball milling 20, discharged 200 mesh screens；
（2）Mixture after sieve excessively is put into high temperature furnace, fritting is carried out at 1200 DEG C, then carries out Water Quenching, and
It is stand-by that material after water quenching is put into air dry oven the heat preservation 12h at 70 DEG C；
（3）By step（2）Material obtained is added in ball mill and carries out ball-milling treatment, and ball-milling medium is corundum ball, the body of ball material
Product is than being 1:3, then discharged 200 mesh screens, obtains bonding agent.
Above-mentioned binder includes following components according to the mass fraction：
Modifying epoxy resin by organosilicon：20 parts, polyether polyol：10 parts, organic solvent：5 parts, pigments and fillers：1 part, lithium base swelling
Soil：2 parts, defoaming agent：3 parts, fire retardant：1 part, levelling agent：2 parts, anti skinning agent：1 part, thixotropic agent：0.3 part, curing agent：4 parts,
Coupling agent：4 parts, inert filler：0.03 part；
Inert filler is by weight percentage comprising following component：Y：13%, Sc：16%, Gd：9%, Sm：18%, Pr：9-11%, it is remaining
Amount is La, and the sum of the above components are 100%；
Organic solvent is acetone；Pigments and fillers are the mixture of titanium dioxide and zinc chloride, wherein the matter of titanium dioxide and zinc chloride
Amount is than being 1：2；Defoaming agent is tributyl phosphate；Levelling agent is polyether-modified dimethyl siloxane；Anti skinning agent is methyl ethyl ketoxime；
Thixotropic agent is fumed silica；Curing agent is ethylenediamine, and coupling agent is γ aminopropyltriethoxy silane.
Above-mentioned modifying epoxy resin by organosilicon is prepared by the way of " anti-to be added dropwise ", and concrete operations are as follows：First will
Methyltriethoxysilane, dibutyl tin dilaurate, epoxy resin are added in reactor, then deionized water are added dropwise, and water is not
When sufficient, methyltriethoxysilane hydrolysis is suppressed, and silanol is substantially soluble in system, and polycondensation reaction can be carried out relatively evenly,
No gel generates, and forms modifying epoxy resin by organosilicon.
The processing technology of above-mentioned refrigeration compressor parts machining grinding abrasive disk,
（1）Grinding wheel ingredient
Abrasive material, bonding agent, zinc stannate, wetting agent and pore creating material are subjected to ingredient, in the ball mill ball milling 20 hours；
（2）Mixing
Take above-mentioned steps（1）In mixture and carbon fiber/epoxy resin composite material it is even with hairbrush brush, then with low viscosity second
Alcohol instills in mixture, then mix with carbon fiber/epoxy resin composite material, stone roller is ground in mortar extremely without obvious color difference, then use
Rotor carries out mechanical stirring, adds binder and is uniformly mixed, re-sieving；
（3）Molding
By above-mentioned steps（2）In the molding mass that mixes and grinding wheel base body be pressed into corresponding ruler with 30MPa pressure on press machine
Very little grinding wheel idiosome；
（4）It is dry
By above-mentioned steps（3）In molding grinding wheel idiosome be dried at room temperature for 5 hours, be then transferred into baking oven at 75 DEG C do
Dry 20 hours；
（5）Sintering
By above-mentioned steps（4）In grinding wheel idiosome be warming up to 820 DEG C in nitrogen atmosphere with the rate of 3 DEG C/min after keep the temperature 1.2
Hour, then it is cooled to room temperature；
（6）Finished product
By grinding wheel idiosome by the assembling of multi-disc bonding, matrix is rough turn, matrix smart car, determine matrix datum level, matrix aperture smart car,
Grinding wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing process, and final inspection storage obtains refrigeration compressor components and adds
Work grinding abrasive disk.
Embodiment 2
The present embodiment provides a kind of refrigeration compressor parts machining grinding abrasive disks, including grinding wheel base body and on grinding wheel base body
Abrasive material, abrasive material include following components according to the mass fraction：
Abrasive material：50 parts, bonding agent：30 parts, pore creating material：8 parts, binder：8 parts, wetting agent：3 parts, carbon fiber/epoxy resin is multiple
Condensation material：4 parts, zinc stannate：3 parts, wherein：
Abrasive material is the mixture of nickel plating diamond, PA pink fused alumina, microcrystal fused alumina, in mass ratio meter nickel plating diamond：PA pink fused alumina：
Microcrystal fused alumina=3:1:1.5；
Bonding agent includes silica according to the mass fraction：50 parts, boron carbide：7 parts, boron oxide：5 parts, aluminium oxide：6 parts, oxidation
Magnesium：7 parts, Anhydrous potassium carbonate：5 parts, calcium oxide：3 parts, sodium carbonate：5 parts；
Pore creating material is one or more of calcium carbonate, hollow alumina ball, graphite particle；
Wetting agent is the mixture of cresols, polyvinyl alcohol, counts cresols by volume：Polyvinyl alcohol=1:2.
Above-mentioned bonding agent clicks step preparation：
（1）Bonding agent each component is mixed, is added in ball mill after mixing and carries out mix grinding, pellet ratio is 3 in ball mill:1, ball
130 turns of grinding machine revolution, ball milling 25, discharged 200 mesh screens；
（2）Mixture after sieve excessively is put into high temperature furnace, fritting is carried out at 1300 DEG C, then carries out Water Quenching, and
It is stand-by that material after water quenching is put into air dry oven the heat preservation 14h at 80 DEG C；
（3）By step（2）Material obtained is added in ball mill and carries out ball-milling treatment, and ball-milling medium is corundum ball, the body of ball material
Product is than being 1:3, then discharged 200 mesh screens, obtains bonding agent.
Above-mentioned binder includes following components according to the mass fraction：
Modifying epoxy resin by organosilicon：25 parts, polyether polyol：20 parts, organic solvent：10 parts, pigments and fillers：3 parts, lithium base swelling
Soil：4 parts, defoaming agent：5 parts, fire retardant：2 parts, levelling agent：4 parts, anti skinning agent：2 parts, thixotropic agent：0.4 part, curing agent：8 parts,
Coupling agent：8 parts, inert filler：0.05 part；
Inert filler is by weight percentage comprising following component：Y：13-15%, Sc：16-18%, Gd：9-11%, Sm： 18-
20%, Pr：9-11%, surplus La, the sum of the above components are 100%；
Organic solvent is butanone；Pigments and fillers are the mixture of titanium dioxide and zinc chloride, wherein the matter of titanium dioxide and zinc chloride
Amount is than being 1：2；Defoaming agent is tributyl phosphate；Levelling agent is polyether-modified dimethyl siloxane；Anti skinning agent is methyl ethyl ketoxime；
Thixotropic agent is organobentonite；Curing agent is diethylenetriamine, and coupling agent is γ-Mercaptopropyltriethoxysilane.
Above-mentioned modifying epoxy resin by organosilicon is prepared by the way of " anti-to be added dropwise ", and concrete operations are as follows：First will
Methyltriethoxysilane, dibutyl tin dilaurate, epoxy resin are added in reactor, then deionized water are added dropwise, and water is not
When sufficient, methyltriethoxysilane hydrolysis is suppressed, and silanol is substantially soluble in system, and polycondensation reaction can be carried out relatively evenly,
No gel generates, and forms modifying epoxy resin by organosilicon.
The processing technology of above-mentioned refrigeration compressor parts machining grinding abrasive disk,
（1）Grinding wheel ingredient
Abrasive material, bonding agent, zinc stannate, wetting agent and pore creating material are subjected to ingredient, in the ball mill ball milling 23 hours；
（2）Mixing
Take above-mentioned steps（1）In mixture and carbon fiber/epoxy resin composite material it is even with hairbrush brush, then with low viscosity second
Alcohol instills in mixture, then mix with carbon fiber/epoxy resin composite material, stone roller is ground in mortar extremely without obvious color difference, then use
Rotor carries out mechanical stirring, adds binder and is uniformly mixed, re-sieving；
（3）Molding
By above-mentioned steps（2）In the molding mass that mixes and grinding wheel base body be pressed into corresponding ruler with 32MPa pressure on press machine
Very little grinding wheel idiosome；
（4）It is dry
By above-mentioned steps（3）In molding grinding wheel idiosome be dried at room temperature for 8 hours, be then transferred into baking oven at 75 DEG C do
Dry 25 hours；
（5）Sintering
By above-mentioned steps（4）In grinding wheel idiosome be warming up to 820 DEG C in nitrogen atmosphere with the rate of 3 DEG C/min after keep the temperature 1.5
Hour, then it is cooled to room temperature；
（6）Finished product
By grinding wheel idiosome by the assembling of multi-disc bonding, matrix is rough turn, matrix smart car, determine matrix datum level, matrix aperture smart car,
Grinding wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing process, and final inspection storage obtains refrigeration compressor components and adds
Work grinding abrasive disk.
Embodiment 3
The present embodiment provides a kind of refrigeration compressor parts machining grinding abrasive disks, including grinding wheel base body and on grinding wheel base body
Abrasive material, abrasive material include following components according to the mass fraction：
Abrasive material：45 parts, bonding agent：25 parts, pore creating material：6 parts, binder：7 parts, wetting agent：2 parts, carbon fiber/epoxy resin is multiple
Condensation material：3 parts, zinc stannate：2 parts, wherein：
Abrasive material is the mixture of nickel plating diamond, PA pink fused alumina, microcrystal fused alumina, in mass ratio meter nickel plating diamond：PA pink fused alumina：
Microcrystal fused alumina=3:1:1.5；
Bonding agent includes silica according to the mass fraction：45 parts, boron carbide：6 parts, boron oxide：4 parts, aluminium oxide：5 parts, oxidation
Magnesium：5 parts, Anhydrous potassium carbonate：4 parts, calcium oxide：2 parts, sodium carbonate：4 parts；
Pore creating material is graphite particle；
Wetting agent is the mixture of cresols, polyvinyl alcohol, counts cresols by volume：Polyvinyl alcohol=1:2.
Above-mentioned bonding agent clicks step preparation：
（1）Bonding agent each component is mixed, is added in ball mill after mixing and carries out mix grinding, pellet ratio is 3 in ball mill:1, ball
125 turns of grinding machine revolution, ball milling 23, discharged 200 mesh screens；
（2）Mixture after sieve excessively is put into high temperature furnace, fritting is carried out at 1250 DEG C, then carries out Water Quenching, and
It is stand-by that material after water quenching is put into air dry oven the heat preservation 13h at 75 DEG C；
（3）By step（2）Material obtained is added in ball mill and carries out ball-milling treatment, and ball-milling medium is corundum ball, the body of ball material
Product is than being 1:3, then discharged 200 mesh screens, obtains bonding agent.
Above-mentioned binder includes following components according to the mass fraction：
Modifying epoxy resin by organosilicon：23 parts, polyether polyol：15 parts, organic solvent：8 parts, pigments and fillers：2 parts, lithium base swelling
Soil：3 parts, defoaming agent：4 parts, fire retardant：2 parts, levelling agent：3 parts, anti skinning agent：1 part, thixotropic agent：0.35 part, curing agent：6
Part, coupling agent：6 parts, inert filler：0.04 part；
Inert filler is by weight percentage comprising following component：Y：14%, Sc：17%, Gd：10%, Sm：19%, Pr：10%, it is remaining
Amount is La, and the sum of the above components are 100%；
Organic solvent is N-Methyl pyrrolidone；Pigments and fillers be titanium dioxide and zinc chloride mixture, wherein titanium dioxide and
The mass ratio of zinc chloride is 1：2；Defoaming agent is tributyl phosphate；Levelling agent is polyether-modified dimethyl siloxane；Anti skinning agent
For methyl ethyl ketoxime；Thixotropic agent is organobentonite；Curing agent is diamino-diphenyl methyl sulfone, and coupling agent is γ-glycidol ether
Base trimethoxy silane.
Above-mentioned modifying epoxy resin by organosilicon is prepared by the way of " anti-to be added dropwise ", and concrete operations are as follows：First will
Methyltriethoxysilane, dibutyl tin dilaurate, epoxy resin are added in reactor, then deionized water are added dropwise, and water is not
When sufficient, methyltriethoxysilane hydrolysis is suppressed, and silanol is substantially soluble in system, and polycondensation reaction can be carried out relatively evenly,
No gel generates, and forms modifying epoxy resin by organosilicon.
The processing technology of above-mentioned refrigeration compressor parts machining grinding abrasive disk,
（1）Grinding wheel ingredient
Abrasive material, bonding agent, zinc stannate, wetting agent and pore creating material are subjected to ingredient, in the ball mill ball milling 21 hours；
（2）Mixing
Take above-mentioned steps（1）In mixture and carbon fiber/epoxy resin composite material it is even with hairbrush brush, then with low viscosity second
Alcohol instills in mixture, then mix with carbon fiber/epoxy resin composite material, stone roller is ground in mortar extremely without obvious color difference, then use
Rotor carries out mechanical stirring, adds binder and is uniformly mixed, re-sieving；
（3）Molding
By above-mentioned steps（2）In the molding mass that mixes and grinding wheel base body be pressed into corresponding ruler with 31MPa pressure on press machine
Very little grinding wheel idiosome；
（4）It is dry
By above-mentioned steps（3）In molding grinding wheel idiosome be dried at room temperature for 6 hours, be then transferred into baking oven at 75 DEG C do
Dry 22 hours；
（5）Sintering
By above-mentioned steps（4）In grinding wheel idiosome be warming up to 820 DEG C in nitrogen atmosphere with the rate of 3 DEG C/min after keep the temperature 1.3
Hour, then it is cooled to room temperature；
（6）Finished product
By grinding wheel idiosome by the assembling of multi-disc bonding, matrix is rough turn, matrix smart car, determine matrix datum level, matrix aperture smart car,
Grinding wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing process, and final inspection storage obtains refrigeration compressor components and adds
Work grinding abrasive disk.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (5)
1. a kind of refrigeration compressor parts machining grinding abrasive disk, it is characterised in that：Including grinding wheel base body and it is located on grinding wheel base body
Abrasive material, the abrasive material includes following components according to the mass fraction：
Abrasive material：40-50 parts, bonding agent：20-30 parts, pore creating material：5-8 parts, binder：6-8 parts, wetting agent：1-3 parts, carbon fiber
Dimension/epoxy resin composite material：2-4 parts, zinc stannate：2-3 parts, wherein：
The abrasive material is the mixture of nickel plating diamond, PA pink fused alumina, microcrystal fused alumina, in mass ratio meter nickel plating diamond：PA
Pink fused alumina：Microcrystal fused alumina=3:1:1.5；
The bonding agent includes silica according to the mass fraction：40-50 parts, boron carbide：5-7 parts, boron oxide：3-5 parts, oxygen
Change aluminium：4-6 parts, magnesia：5-7 parts, Anhydrous potassium carbonate：3-5 parts, calcium oxide：1-3 parts, sodium carbonate：3-5 parts；
The pore creating material is one or more of calcium carbonate, hollow alumina ball, graphite particle；
The wetting agent is the mixture of cresols, polyvinyl alcohol, counts cresols by volume：Polyvinyl alcohol=1:2.
2. refrigeration compressor parts machining grinding abrasive disk according to claim 1, it is characterised in that：The bonding agent press with
Lower step preparation：
（1）Bonding agent each component is mixed, is added in ball mill after mixing and carries out mix grinding, pellet ratio is 3 in ball mill:1, ball
Grinding machine revolution 120-130 turns, and ball milling 20-25, discharged 200 mesh screens；
（2）Mixture after sieve excessively is put into high temperature furnace, fritting is carried out at 1200-1300 DEG C, is then carried out at water quenching
Reason, and by material after water quenching be put into air dry oven at 70-80 DEG C keep the temperature 12-14h it is stand-by；
（3）By step（2）Material obtained is added in ball mill and carries out ball-milling treatment, and ball-milling medium is corundum ball, the body of ball material
Product is than being 1:3, then discharged 200 mesh screens, obtains bonding agent.
3. refrigeration compressor parts machining grinding abrasive disk according to claim 1, it is characterised in that：The binder presses matter
Measuring number meter includes following components：
Modifying epoxy resin by organosilicon：20-25 parts, polyether polyol：10-20 parts, organic solvent：5-10 parts, pigments and fillers：1-3
Part, lithium bentonite：2-4 parts, defoaming agent：3-5 parts, fire retardant：1-2 parts, levelling agent：2-4 parts, anti skinning agent：1-2 parts, touching
Become agent：0.3-0.4 parts, curing agent：4-8 parts, coupling agent：4-8 parts, inert filler：0.03-0.05 parts；
The inert filler is by weight percentage comprising following component：Y：13-15%, Sc：16-18%, Gd：9-11%, Sm：
18-20%, Pr：9-11%, surplus La, the sum of the above components are 100%；
The organic solvent be acetone, butanone or N-Methyl pyrrolidone, in ethyl alcohol it is a kind of；The pigments and fillers are dioxy
Change the mixture of titanium and zinc chloride, wherein the mass ratio of titanium dioxide and zinc chloride is 1：2；The defoaming agent is tricresyl phosphate fourth
Ester；The levelling agent is polyether-modified dimethyl siloxane；The anti skinning agent is methyl ethyl ketoxime；The thixotropic agent is gas
Aerosil or organobentonite；The curing agent is ethylenediamine, diethylenetriamine, triethylene tetramine, diamino hexichol
One or more of base methyl sulfone, isophorone diamine or polyamide 6 50, the coupling agent are three ethoxy of gamma-amino propyl
One or more of base silane, γ-Mercaptopropyltriethoxysilane or γ-glycidyl ether trimethoxy silane.
4. refrigeration compressor parts machining grinding abrasive disk according to claim 3, it is characterised in that：It is described organic-silicon-modified
Epoxy resin is prepared by the way of " anti-to be added dropwise ", and concrete operations are as follows：I.e. first by methyltriethoxysilane, two laurels
Sour dibutyl tin, epoxy resin are added in reactor, then deionized water are added dropwise, when water shortage, methyltriethoxysilane water
Solution is suppressed, and silanol is substantially soluble in system, and polycondensation reaction can be carried out relatively evenly, and no gel generates, and is formed organosilicon and is changed
Property epoxy resin.
5. the processing technology of refrigeration compressor parts machining grinding abrasive disk according to claim 1, it is characterised in that：
（1）Grinding wheel ingredient
By abrasive material, bonding agent, zinc stannate, wetting agent and pore creating material carry out ingredient, ball milling 20-23 hours in the ball mill；
（2）Mixing
Take above-mentioned steps（1）In mixture and carbon fiber/epoxy resin composite material it is even with hairbrush brush, then with low viscosity second
Alcohol instills in mixture, then mix with carbon fiber/epoxy resin composite material, stone roller is ground in mortar extremely without obvious color difference, then use
Rotor carries out mechanical stirring, adds binder and is uniformly mixed, re-sieving；
（3）Molding
By above-mentioned steps（2）In the molding mass that mixes and grinding wheel base body be pressed into phase with 30-32MPa pressure on press machine
Answer the grinding wheel idiosome of size；
（4）It is dry
By above-mentioned steps（3）In molding grinding wheel idiosome be dried at room temperature for 5-8 hours, be then transferred into baking oven at 75 DEG C
It is 20-25 hours dry；
（5）Sintering
By above-mentioned steps（4）In grinding wheel idiosome be warming up to 820 DEG C in nitrogen atmosphere with the rate of 3 DEG C/min after keep the temperature 1.2-
1.5 hours, then it is cooled to room temperature；
（6）Finished product
By grinding wheel idiosome by the assembling of multi-disc bonding, matrix is rough turn, matrix smart car, determine matrix datum level, matrix aperture smart car,
Grinding wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing process, and final inspection storage obtains refrigeration compressor components and adds
Work grinding abrasive disk.
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| CN111687756A (en) * | 2019-03-13 | 2020-09-22 | 常州市达蒙砂轮制造有限公司 | Recession-proof resin grinding wheel and manufacturing method thereof |
| CN112045578A (en) * | 2020-09-18 | 2020-12-08 | 昆明龙誉恒光电辅料有限责任公司 | Diamond fine grinding sheet and processing technology thereof |
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