CN109503133A - A kind of magnetization is high to lubricate high tenacity ceramic grinding section and its manufacturing method - Google Patents

A kind of magnetization is high to lubricate high tenacity ceramic grinding section and its manufacturing method Download PDF

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CN109503133A
CN109503133A CN201811645000.1A CN201811645000A CN109503133A CN 109503133 A CN109503133 A CN 109503133A CN 201811645000 A CN201811645000 A CN 201811645000A CN 109503133 A CN109503133 A CN 109503133A
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parts
powder
component
ceramic
obtains
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王超
尹方勇
朱红海
王峰
周俊华
王征
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Shandong Tohelm Grinding Wear-Resistant Technology Development Co Ltd
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Shandong Tohelm Grinding Wear-Resistant Technology Development Co Ltd
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Abstract

The invention discloses a kind of high lubrication high tenacity ceramic grinding sections of magnetization and its manufacturing method, the component of the ceramic grinding section to be made of four kinds of function components, wherein the first function component A be low-temperature sintering at ceramic matrix；Second of function component B is that the cured magnetization of high-temperature fusion lubricates surface layer；The third function component C is PVA plastic material；4th kind of function component D is the toughening cylindrical body being coiled into again after stainless steel wire is wound；The component relationship of four kinds of compositions are as follows: component C mutually mixes with component A be combined into kernel matrix securely, it tangles on the steel wire node of component D simultaneously, component D is located at the center of kernel and is fixedly secured with the matrix for penetrating into component D, and component B is the modification film layer that kernel matrix surface is solidificated in by supersonic flame spraying technique spray coating.Ceramic grinding segment table layer of the invention lubricates, grinding efficiency is high, binding force is good, abrasion is small, strong shock resistance, good toughness, energy consumption is small, grinds more evenly.

Description

A kind of magnetization is high to lubricate high tenacity ceramic grinding section and its manufacturing method
Technical field
The present invention relates to the high lubrication high tenacity ceramic grinding section of cement technical field more particularly to a kind of magnetization and its Manufacturing method.
Background technique
Cement ball-milling, is necessary process and key link in manufacture of cement, and energy consumption and power consumption account for manufacture of cement total energy 70% or more 30% and the total power consumption of consumption, currently, national low-carbon environment-friendly require it is higher and higher, although cement price quickly go up, Profit margin increases, but in the prior art, and as technology develops, traditional steel abrading-ball has gradually been replaced by ceramic grinding ball, and Two problems are all inevitably present using the equipment of ceramic ball grinding technique at present: 1, due to Ceramic Balls be self-possessed it is low, same Extruding force is insufficient under stirring rate, and grinding efficiency is low because caused by, i.e. separate unit ball mill inefficient low output；2, due to existing There is the ceramic grinding ball in technology to mostly use coarse sintering technology, structure is neither fine and close, again unbalanced, while brittleness is also big, frangible It splits, thus is lost faster compared to raw steel matter abrading-ball in mechanical milling process.
In the related patents applied at home, patent " a kind of efficient ball mill with magnetically grinding ball " (application number: 201410816874.4, publication date: 2016-7-20), a kind of technology for having used and having carried out the double-deck grinding with magnet steel ball is disclosed, But due to using steel ball, hardness is low and quality weight, thus abrasive material loss and electric energy loss is higher and grinding effect is poor, Magnetize the effect that abrading-ball does not have high self-bonding power and surface lubrication yet simultaneously.
In conclusion needing a kind of surface layer to lubricate on the market, grinding efficiency height, binding force is good, abrasion is small, impact resistance By force, good toughness, energy consumption be small, grinding ceramic grinding section and its manufacturing method more evenly.
Summary of the invention
To solve drawbacks described above existing in the prior art, the present invention is intended to provide a kind of surface layer lubricates, grinding efficiency is high, The magnetization high lubrication high tenacity ceramics that binding force is good, abrasion is small, strong shock resistance, good toughness, energy consumption is small, grinds more evenly are ground Grind section and its manufacturing method.
To achieve the goals above, the invention adopts the following technical scheme: a kind of high lubrication high tenacity ceramic grinding of magnetization Section, the component of the ceramic grinding section are made of four kinds of function components, and wherein the first function component A is with Nano-sized Alumina Powder 65 parts -70 parts, 6 parts -8 parts of silicon carbide powder, 2 parts -2.5 parts of molybdenum disulfide powder, 3 parts -5 parts of yttria powder, dioxy Change 5 parts -8 parts of zirconium powder, 8 parts -10 parts of titania powder, 3 parts -5 parts of SiO 2 powder for raw material low-temperature sintering at Ceramic matrix；Second of function component B is 8 parts -10 parts of ferroferric oxide powder, 3 parts -5 parts of molybdenum disulfide powder, 3 parts of silver powder - 3.5 parts, 1 part -1.2 parts of copper powder, 1 part -1.2 parts of titanium valve be raw material high-temperature fusion cured magnetization lubrication surface layer；The third function Energy component C is PVA plastic material；4th kind of function component D is the toughening cylindrical body being coiled into again after stainless steel wire is wound；Four kinds The component relationship of composition are as follows: grid-shaped mutually mix completely with component A securely of component C is combined into kernel matrix, while tangling On the steel wire node of component D, component D be located at the center of kernel and with penetrate into component D hollow out network management chondritic matrix it is secured Fixed, component B is the Modified Membrane for being solidificated in kernel matrix surface by supersonic flame spraying technique spray coating under protection of argon gas Layer.
A kind of manufacturing method of the high lubrication high tenacity ceramic grinding section of magnetization, comprising the following steps:
1) prepare before production
1. raw material prepare: preparation 65 parts -70 parts of Nano-sized Alumina Powder, 6 parts -8 parts of silicon carbide powder, two by weight Vulcanize 2 parts -2.5 parts of molybdenum powder, 3 parts -5 parts of yttria powder, 5 parts -8 parts of Zirconium dioxide powder, titania powder 8 Part -10 parts, 3 parts -5 parts of SiO 2 powder, 8 parts -10 parts of ferroferric oxide powder, 3 parts -5 parts of molybdenum disulfide powder, silver powder 3 Parts -3.5 parts, 1 part -1.2 parts of copper powder, 1 part -1.2 parts of titanium valve, the solute of 5%-6%PVA containing mass fraction 68 parts of PVA aqueous solution - 75 parts, 15 parts -20 parts of austenitic stainless steel wires of diameter 0.1mm-0.2mm；
2. auxiliary material prepares: preparing Enough Dl water；
2) preparation of superficial layer modified coating raw material
1. by the stage 1) the step ferroferric oxide powder, molybdenum disulfide powder, silver powder, copper powder, the titanium valve that 1. prepare be uniform It mixes and mechanical lapping is to 10 μm -20 μm of hybrid particles partial size, obtain raw material to be sprayed；
3) preparation of tough skeleton in
1. using the stage 1) austenitic stainless steel wires that 1. prepare of step is raw materials, using 0.8mm-1.0mm as internal diameter, with 0.2mm-0.3mm is that screw pitch is wound into steel wire spiral rope rolling；
2. 1. steel wire spiral rope rolling that step obtains, which is coiled mode by knitting wool column, coils into cylindrical body, toughening cylinder is obtained Body；
3. 2. toughening cylindrical body that step is obtained use cylindricality pressurizing mold, be respectively adopted in three times 12MPa, 18MPa, The physical pressure of 24MPa carries out equal static pressure circulation punching press, and the cylindrical body after making punch forming contracts according to design size equal proportion Small shape obtains punching press toughening cylindrical body；
4. 3. punching press toughening cylindrical body that step obtains is placed in baking oven, using 200 DEG C of -220 DEG C of processing 5h-6h, obtain Toughening cylindrical body must be stabilized, the stabilisation toughening cylindrical body interior tough skeleton needed for being；
4) sintering of alumina-based ceramic ball kernel
1. by the stage 1) the step alumina powder, silicon carbide powder, molybdenum disulfide powder, the yttria powder that 1. prepare End, Zirconium dioxide powder, titania powder, SiO 2 powder are mixed and stirred for uniformly, obtaining mixed material；
2. by 1. mixed material that step obtains and stage 1) the PVA aqueous solution that 1. prepares of step is mixed and stirred for uniformly, Obtain ceramic original slurry material；
3. cylindrical ceramic sintering mold is got out, by the stage 3) obtain interior tough skeleton be placed in cylindrical ceramic sintering mold Between, it in the ceramic original slurry material filling mold that then 2. obtains step, compresses, pressing force according to target ceramic section final volume Vcm3 It is calculated as 3VN/cm3-5VN/cm3；
4. the 3. mold for being filled with mixed material that step is obtained is placed in the argon gas that pressure in furnace is 12MPa-15Mpa It in protective atmosphere, is sintered at a temperature of 1100 DEG C -1150 DEG C, sintering time 2h-3h；
5. coming out of the stove again when being furnace-cooled to 280 DEG C -300 DEG C after the completion of sintering and being air-cooled to room temperature, then deviate from mold, made pottery Porcelain ground section crude green body, the ceramic grinding section crude green body are required ceramic grinding section kernel；
5) molding of alumina-based ceramic ball
1. using the stage 2) raw material to be sprayed that obtains is raw material, with the stage 4) the ceramic grinding section kernel that 5. obtains of step is Target, using supersonic velocity flame plating equipment, in the argon gas protection environment that pressure is 1bar-1.1bar pressure, with 1880 DEG C- 1950 DEG C are outlet temperature, are spray away from spray treatment is carried out with 300mm-330mm, keep ceramic grinding section kernel with 10 °/s- The angular speed of 12 °/s carries out spherical rotary to raw material spraying along knitting wool ball weaving track and finishes, and obtains surface modified ceramic ball；
2. carrying out vibration to 1. surface modified ceramic ball that step obtains using diamond abrasive vibrator deburring equipment Burr and polishing treatment obtain ceramic grinding section to be processed；
3. 2. obtaining the ceramic grinding section to be processed proposed to step by electromagnetic induction applies the magnetic field that intensity is 2T-3T, adopt It is magnetized with the buckyballs mode of magnetizing, magnetize time 10min-12min, and the high lubrication of magnetization needed for obtaining after the completion of magnetizing is high Toughness pottery ground section.
Compared with prior art, the invention has the following advantages that (1) most crucial technical concept of the invention is how It will organically be incorporated with antidetonation, lubrication, component and the hard of pooling feature and the extremely stable ceramic matrix of chemical property, Present invention utilizes ceramic raw material be mixed in a certain proportion it is rear mutually promote molten characteristic, matched a kind of high rigidity, can low temperature The ceramic matrix formula of sintering, the sintering temperature of low temperature are the bases that the present invention realizes；It then is all superfine powder using raw material Advantage by it with PVA solution puddling at dirty solution, obtain permeability and wellability, while in sintering by liquefied PVA increase surface can and internal bond, while having driven intrinsic air (source of Ceramic Balls inner air vent) between powder away, made this Invention is finer and close；But since the ceramics for squeezing sintering certainly exist coarse, rough surface, the present invention utilizes this The defects of routine techniques enhances the binding force of the modified film layer in surface layer, at the same by the ratio mixture of 3:1:1 ferroso-ferric oxide with Silver, copper, titanium in molybdenum disulfide can generate (Ag under high temperature anaerobic environment72Cu28)97Ti3, this be a kind of pair of aluminium oxide especially It is the fabulous alloy of the aluminium oxide wellability of rough surface, the wellability at 950 DEG C -1000 DEG C is best, this temperature Degree is exactly mixed-powder during by turning liquid admittedly, significantly enhances the binding force of coating of the present invention and ceramic kernel, Antibacterial ability (silver) is obtained simultaneously, and certain lubricity is provided；The silver of PVA in kernel, the not formed alloy in surface layer simultaneously Grain, molybdenum disulfide can provide fabulous surface lubrication effect for the present invention.(2) present invention is exactly magnetic ball there are also a core technology The ferroso-ferric oxide composition on surface, this composition obviously can provide certain magnetism after magnetizing for mill ball of the invention, by In using ferroso-ferric oxide rather than kicker magnet neodymium iron boron, thus magnetic intensity of the invention will not be too high, is slightly less than to grind This guarantees abrading-balls for (performance is by each component weight proportion and magnetize intensity and time realization) of abrading-ball self gravity Between will not adhere, simultaneously because the interference in magnetic field, itself is in the case where mechanical force direction circulation is constant in routine techniques Keeping the motion profile of the abrading-ball of certain regular motion also to become, changeable and uncontrollable (abrading-ball is constantly rotating, and magnetic pole constantly becomes Change, the abrading-ball part abrading-ball that repels each other in part is attracting, destroys the direction that blender brings acting rules power), here it is promote this hair Bright the reason of capable of grinding more evenly, two abrading-balls of simultaneous grinding contact also must be that magnetism is attracting, be additionally provided one Fixed extruding force is equally ground thinner using the present invention.(3) characteristic for utilizing liquid raw material has selected hollow out but has had pole The stainless steel of strong elasticity and pooling feature is cold-pressed hollow out column and supports as inner frame and toughness, while guaranteeing that the raw material of liquid is abundant It is combined with skeleton, final to obtain with PVC antifriction, the shock proof ceramic section of steel wire column net toughening, this has been in the prior art It is not present entirely.(4) the finished product density 3.6g/cm that the present invention obtains3-3.9g/cm3, the only half of steel material, thus energy Enough effectively economize on electricitys, reduce carbon emission at energy conservation；Ceramic hardness is high, and wearability is good, and service life is long.Therefore make final tool of the invention There is surface layer to lubricate, grinding efficiency is high, binding force is good, abrasion is small, strong shock resistance, good toughness, energy consumption is small, grinds more evenly Characteristic.
Specific embodiment
Embodiment 1:
A kind of high lubrication high tenacity ceramic grinding section of magnetization, the component of the ceramic grinding section are made of four kinds of function components, Wherein the first function component A is with Nano-sized Alumina Powder 65g, silicon carbide powder 8g, molybdenum disulfide powder 2.5g, three oxidations Two yttrium powder end 5g, Zirconium dioxide powder 8g, titania powder 10g, SiO 2 powder 5g be raw material low-temperature sintering at Ceramic matrix；Second function component B be ferroferric oxide powder 10g, molybdenum disulfide powder 5g, silver powder 3.5g, copper powder 1.2g, Titanium valve 1.2g is that the cured magnetization of raw material high-temperature fusion lubricates surface layer；The third function component C is PVA plastic material；4th Kind function component D is the toughening cylindrical body being coiled into again after stainless steel wire is wound；The component relationship of four kinds of compositions are as follows: component C is in Latticed mutually mix completely with component A securely is combined into kernel matrix, while tangling on the steel wire node of component D, component D In kernel center and with penetrate into component D hollow out network management chondritic matrix be fixedly secured, component B be lead under protection of argon gas Cross the modification film layer that supersonic flame spraying technique spray coating is solidificated in kernel matrix surface.
A kind of manufacturing method of the high lubrication high tenacity ceramic grinding section of magnetization, comprising the following steps:
1) prepare before production
1. raw material prepare: preparation Nano-sized Alumina Powder 65g, silicon carbide powder 8g, molybdenum disulfide powder by weight 2.5g, yttria powder 5g, Zirconium dioxide powder 8g, titania powder 10g, SiO 2 powder 5g, four oxidations three Iron powder 10g, molybdenum disulfide powder 5g, silver powder 3.5g, copper powder 1.2g, titanium valve 1.2g, the solute of 6%PVA containing mass fraction PVA The austenitic stainless steel wires 20g of aqueous solution 75g, diameter 0.1mm；
2. auxiliary material prepares: preparing Enough Dl water；
2) preparation of superficial layer modified coating raw material
1. by the stage 1) the step ferroferric oxide powder, molybdenum disulfide powder, silver powder, copper powder, the titanium valve that 1. prepare be uniform It mixes and mechanical lapping is to 10 μm -20 μm of hybrid particles partial size, obtain raw material to be sprayed；
3) preparation of tough skeleton in
1. using the stage 1) austenitic stainless steel wires that 1. prepare of step is raw materials, using 0.8mm as internal diameter, using 0.2mm as spiral shell Away from being wound into steel wire spiral rope rolling；
2. 1. steel wire spiral rope rolling that step obtains, which is coiled mode by knitting wool column, coils into cylindrical body, toughening cylinder is obtained Body；
3. 2. toughening cylindrical body that step is obtained use cylindricality pressurizing mold, be respectively adopted in three times 12MPa, 18MPa, The physical pressure of 24MPa carries out equal static pressure circulation punching press, and the cylindrical body after making punch forming contracts according to design size equal proportion Small shape obtains punching press toughening cylindrical body；
4. 3. punching press toughening cylindrical body that step obtains is placed in baking oven, using 220 DEG C of processing 6h, obtains and stabilize increasing Tough cylindrical body, the stabilisation toughening cylindrical body interior tough skeleton needed for being；
4) sintering of alumina-based ceramic ball kernel
1. by the stage 1) the step alumina powder, silicon carbide powder, molybdenum disulfide powder, the yttria powder that 1. prepare End, Zirconium dioxide powder, titania powder, SiO 2 powder are mixed and stirred for uniformly, obtaining mixed material；
2. by 1. mixed material that step obtains and stage 1) the PVA aqueous solution that 1. prepares of step is mixed and stirred for uniformly, Obtain ceramic original slurry material；
3. cylindrical ceramic sintering mold is got out, by the stage 3) obtain interior tough skeleton be placed in cylindrical ceramic sintering mold Between, it in the ceramic original slurry material filling mold that then 2. obtains step, compresses, pressing force according to target ceramic section final volume Vcm3 It is calculated as 5VN/cm3；
4. the 3. mold for being filled with mixed material that step is obtained is placed in the argon gas that pressure in furnace is 15Mpa and protects gas It in atmosphere, is sintered at a temperature of 1150 DEG C, sintering time 3h；
5. coming out of the stove again when being furnace-cooled to 280 DEG C after the completion of sintering and being air-cooled to room temperature, then deviate from mold, obtains ceramic grinding Section crude green body, the ceramic grinding section crude green body are required ceramic grinding section kernel；
5) molding of alumina-based ceramic ball
1. using the stage 2) raw material to be sprayed that obtains is raw material, with the stage 4) the ceramic grinding section kernel that 5. obtains of step is Target is outlet with 1950 DEG C in the argon gas protection environment that pressure is 1.1bar pressure using supersonic velocity flame plating equipment Temperature is spray away from spray treatment is carried out with 300mm, ceramic grinding section kernel is kept to be weaved with the angular speed of 10 °/s along knitting wool ball Track carries out spherical rotary to raw material spraying and finishes, and obtains surface modified ceramic ball；
2. carrying out vibration to 1. surface modified ceramic ball that step obtains using diamond abrasive vibrator deburring equipment Burr and polishing treatment obtain ceramic grinding section to be processed；
3. the ceramic grinding section to be processed that proposes 2. is obtained to step by electromagnetic induction applies the magnetic field that intensity is 3T, using bar Gram ball mode of magnetizing magnetizes, and magnetize time 12min, and the high high tenacity ceramics that lubricate of magnetization needed for obtaining after the completion of magnetizing are ground Grind section.
Embodiment 2:
It is whole consistent with embodiment 1, it is in place of difference:
A kind of high lubrication high tenacity ceramic grinding section of magnetization, the component of the ceramic grinding section are made of four kinds of function components, Wherein the first function component A is with Nano-sized Alumina Powder 70g, silicon carbide powder 6g, molybdenum disulfide powder 2g, three oxidations two Yttrium powder end 3g, Zirconium dioxide powder 5g, titania powder 8g, SiO 2 powder 3g be raw material low-temperature sintering at ceramics Matrix；Second of function component B is ferroferric oxide powder 8g, molybdenum disulfide powder 3g, silver powder 3g, copper powder 1g, titanium valve 1g are The cured magnetization of raw material high-temperature fusion lubricates surface layer；The third function component C is PVA plastic material；4th kind of function component D For the toughening cylindrical body being coiled into again after stainless steel wire winding；The component relationship of four kinds of compositions are as follows: component C is grid-shaped securely It is mutually mixed completely with component A and is combined into kernel matrix, while tangled on the steel wire node of component D, component D is located at the center of kernel And be fixedly secured with the matrix for penetrating into component D hollow out network management chondritic, component B is to pass through supersonic flame under protection of argon gas Spraying process spray coating is solidificated in the modification film layer of kernel matrix surface；
The manufacturing method of above-mentioned ceramic grinding section, comprising the following steps:
1) prepare before production
1. raw material prepare: preparation Nano-sized Alumina Powder 70g, silicon carbide powder 6g, molybdenum disulfide powder by weight 2g, yttria powder 3g, Zirconium dioxide powder 5g, titania powder 8g, SiO 2 powder 3g, ferroso-ferric oxide powder Last 8g, molybdenum disulfide powder 3g, silver powder 3g, copper powder 1g, titanium valve 1g, the solute of 5%PVA containing mass fraction PVA aqueous solution 68g, The austenitic stainless steel wires 15g of diameter 0.2mm；
3) preparation of tough skeleton in
1. using the stage 1) austenitic stainless steel wires that 1. prepare of step is raw materials, using 1.0mm as internal diameter, using 0.3mm as spiral shell Away from being wound into steel wire spiral rope rolling；
4. 3. punching press toughening cylindrical body that step obtains is placed in baking oven, using 200 DEG C of processing 5h, obtains and stabilize increasing Tough cylindrical body, the stabilisation toughening cylindrical body interior tough skeleton needed for being；
4) sintering of alumina-based ceramic ball kernel
3. cylindrical ceramic sintering mold is got out, by the stage 3) obtain interior tough skeleton be placed in cylindrical ceramic sintering mold Between, it in the ceramic original slurry material filling mold that then 2. obtains step, compresses, pressing force according to target ceramic section final volume Vcm3 It is calculated as 3VN/cm3；
4. the 3. mold for being filled with mixed material that step is obtained is placed in the argon gas that pressure in furnace is 12MPa and protects gas It in atmosphere, is sintered at a temperature of 1100 DEG C, sintering time 2h；
5. coming out of the stove again when being furnace-cooled to 300 DEG C after the completion of sintering and being air-cooled to room temperature, then deviate from mold, obtains ceramic grinding Section crude green body, the ceramic grinding section crude green body are required ceramic grinding section kernel；
5) molding of alumina-based ceramic ball
1. using the stage 2) raw material to be sprayed that obtains is raw material, with the stage 4) the ceramic grinding section kernel that 5. obtains of step is Target is outlet temperature with 1880 DEG C in the argon gas protection environment that pressure is 1bar pressure using supersonic velocity flame plating equipment It spends, is spray away from spray treatment is carried out with 330mm, keep ceramic grinding section kernel with the angular speed of 12 °/s along knitting wool ball weaving rail Mark carries out spherical rotary to raw material spraying and finishes, and obtains surface modified ceramic ball；
3. the ceramic grinding section to be processed that proposes 2. is obtained to step by electromagnetic induction applies the magnetic field that intensity is 2T, using bar Gram ball mode of magnetizing magnetizes, and magnetize time 10min, and the high high tenacity ceramics that lubricate of magnetization needed for obtaining after the completion of magnetizing are ground Grind section.
The foregoing description of the disclosed embodiments, only for can be realized professional and technical personnel in the field or use this Invention.Various modifications to these embodiments will be readily apparent to those skilled in the art, institute herein The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, The present invention will not be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty The consistent widest scope of point.

Claims (2)

1. a kind of high lubrication high tenacity ceramic grinding section of magnetization, it is characterised in that: the component of the ceramic grinding section is by four kinds of functions Component composition, wherein the first function component A is with 65 parts -70 parts of Nano-sized Alumina Powder, 6 parts -8 parts of silicon carbide powder, two Vulcanize 2 parts -2.5 parts of molybdenum powder, 3 parts -5 parts of yttria powder, 5 parts -8 parts of Zirconium dioxide powder, titania powder 8 Parts -10 parts, 3 parts -5 parts of SiO 2 powder for raw material low-temperature sintering at ceramic matrix；Second of function component B is four oxygen Change 8 parts -10 parts of three iron powder, 3 parts -5 parts of molybdenum disulfide powder, 3 parts -3.5 parts of silver powder, 1 part -1.2 parts of copper powder, 1 part of titanium valve - 1.2 parts lubricate surface layer for the cured magnetization of raw material high-temperature fusion；The third function component C is PVA plastic material；4th kind of function Energy component D is the toughening cylindrical body being coiled into again after stainless steel wire is wound；The component relationship of four kinds of compositions are as follows: component C is in grid Shape mutually mixes completely with component A be combined into kernel matrix securely, while tangling on the countless steel wire nodes of component D, component D In kernel center and with penetrate into component D hollow out network management chondritic matrix be fixedly secured, component B be lead under protection of argon gas Cross the modification film layer that supersonic flame spraying technique spray coating is solidificated in kernel matrix surface.
2. a kind of manufacturing method of the high lubrication high tenacity ceramic grinding section of magnetization, it is characterised in that the following steps are included:
1) prepare before production
1. raw material prepare: preparation 65 parts -70 parts of Nano-sized Alumina Powder, 6 parts -8 parts of silicon carbide powder, curing by weight 2 parts -2.5 parts of molybdenum powder, 3 parts -5 parts of yttria powder, 5 parts -8 parts of Zirconium dioxide powder, 8 part -10 of titania powder Part, 3 parts -5 parts of SiO 2 powder, 8 parts -10 parts of ferroferric oxide powder, 3 parts -5 parts of molybdenum disulfide powder, 3 part -3.5 of silver powder Part, 1 part -1.2 parts of copper powder, 1 part -1.2 parts of titanium valve, the solute of 5%-6%PVA containing mass fraction 68 parts -75 parts of PVA aqueous solution, 15 parts -20 parts of the austenitic stainless steel wires of diameter 0.1mm-0.2mm；
2. auxiliary material prepares: preparing Enough Dl water；
2) preparation of superficial layer modified coating raw material
1. by the stage 1) the step ferroferric oxide powder, molybdenum disulfide powder, silver powder, copper powder, the titanium valve that 1. prepare uniformly mix And mechanical lapping obtains raw material to be sprayed to 10 μm -20 μm of hybrid particles partial size；
3) preparation of tough skeleton in
1. using the stage 1) austenitic stainless steel wires that 1. prepare of step is raw materials, using 0.8mm-1.0mm as internal diameter, with 0.2mm- 0.3mm is that screw pitch is wound into steel wire spiral rope rolling；
2. 1. steel wire spiral rope rolling that step obtains, which is coiled mode by knitting wool column, coils into cylindrical body, toughening cylindrical body is obtained；
3. 2. toughening cylindrical body that step is obtained use cylindricality pressurizing mold, be respectively adopted in three times 12MPa, 18MPa, The physical pressure of 24MPa carries out equal static pressure circulation punching press, and the cylindrical body after making punch forming contracts according to design size equal proportion Small shape obtains punching press toughening cylindrical body；
4. 3. punching press toughening cylindrical body that step obtains is placed in baking oven, using 200 DEG C of -220 DEG C of processing 5h-6h, obtain steady Surely change toughening cylindrical body, the stabilisation toughening cylindrical body interior tough skeleton needed for being；
4) sintering of alumina-based ceramic ball kernel
1. by the stage 1) step 1. prepare alumina powder, silicon carbide powder, molybdenum disulfide powder, yttria powder, Zirconium dioxide powder, titania powder, SiO 2 powder are mixed and stirred for uniformly, obtaining mixed material；
2. by 1. mixed material that step obtains and stage 1) the PVA aqueous solution that 1. prepares of step is mixed and stirred for uniformly, acquisition Ceramic original slurry material；
3. cylindrical ceramic sintering mold is got out, by the stage 3) obtain interior tough skeleton be placed among cylindrical ceramic sintering mold, Then it in the ceramic original slurry material filling mold 2. step obtained, compresses, pressing force according to target ceramic section final volume Vcm3Meter For 3VN/cm3-5VN/cm3；
4. the 3. mold for being filled with mixed material that step is obtained is placed in the argon gas that pressure in furnace is 12MPa-15Mpa and protects It in atmosphere, is sintered at a temperature of 1100 DEG C -1150 DEG C, sintering time 2h-3h；
5. coming out of the stove again when being furnace-cooled to 280 DEG C -300 DEG C after the completion of sintering and being air-cooled to room temperature, then deviate from mold, obtains ceramics and grind Section crude green body is ground, which is required ceramic grinding section kernel；
5) molding of alumina-based ceramic ball
1. using the stage 2) raw material to be sprayed that obtains is raw material, using the stage 4) the ceramic grinding section kernel that 5. obtains of step is target Material, using supersonic velocity flame plating equipment, in the argon gas protection environment that pressure is 1bar-1.1bar pressure, with 1880 DEG C- 1950 DEG C are outlet temperature, are spray away from spray treatment is carried out with 300mm-330mm, keep ceramic grinding section kernel with 10 °/s- The angular speed of 12 °/s carries out spherical rotary to raw material spraying along knitting wool ball weaving track and finishes, and obtains surface modified ceramic ball；
2. carrying out vibrator deburring to 1. surface modified ceramic ball that step obtains using diamond abrasive vibrator deburring equipment And polishing treatment, that is, obtain ceramic grinding section to be processed；
3. the ceramic grinding section to be processed that proposes 2. is obtained to step by electromagnetic induction applies the magnetic field that intensity is 2T-3T, using bar Gram ball mode of magnetizing magnetizes, and magnetize time 10min-12min, and magnetization needed for obtaining after the completion of magnetizing is high to lubricate high tenacity Ceramic grinding section.
CN201811645000.1A 2018-12-29 2018-12-29 A kind of magnetization is high to lubricate high tenacity ceramic grinding section and its manufacturing method Withdrawn CN109503133A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1087956A (en) * 1992-12-05 1994-06-15 吉开俊 Disposable metallic and ceramic compound spraying powder
CN1192711A (en) * 1995-08-02 1998-09-09 诺顿公司 Compression molding of abrasive articles using water as temporay binder
JP2005068260A (en) * 2003-08-22 2005-03-17 Nihon Micro Coating Co Ltd Composite particle and method for producing the same
CN101294061A (en) * 2008-06-25 2008-10-29 湖南大学 Magnetic abrasive material
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WO2015134578A1 (en) * 2014-03-04 2015-09-11 University Of Florida Research Foundation, Inc. Method for producing nanoparticles and the nanoparticles produced therefrom
CN105859259A (en) * 2016-04-02 2016-08-17 山东天汇研磨耐磨技术开发有限公司 Ceramic grinding ball for cement ball mill, and preparation method thereof
CN106336235A (en) * 2016-08-15 2017-01-18 郑洪华 Surface self-lubricating insulator and manufacturing method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1087956A (en) * 1992-12-05 1994-06-15 吉开俊 Disposable metallic and ceramic compound spraying powder
CN1192711A (en) * 1995-08-02 1998-09-09 诺顿公司 Compression molding of abrasive articles using water as temporay binder
JP2005068260A (en) * 2003-08-22 2005-03-17 Nihon Micro Coating Co Ltd Composite particle and method for producing the same
CN101353566A (en) * 2007-07-25 2009-01-28 比亚迪股份有限公司 Magnetic grinding abrasive and preparation thereof
CN101294061A (en) * 2008-06-25 2008-10-29 湖南大学 Magnetic abrasive material
WO2015134578A1 (en) * 2014-03-04 2015-09-11 University Of Florida Research Foundation, Inc. Method for producing nanoparticles and the nanoparticles produced therefrom
CN105859259A (en) * 2016-04-02 2016-08-17 山东天汇研磨耐磨技术开发有限公司 Ceramic grinding ball for cement ball mill, and preparation method thereof
CN106336235A (en) * 2016-08-15 2017-01-18 郑洪华 Surface self-lubricating insulator and manufacturing method thereof

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Application publication date: 20190322