CN105563355B - A kind of emery wheel quickly polished for workpiece surface and preparation method thereof - Google Patents

A kind of emery wheel quickly polished for workpiece surface and preparation method thereof Download PDF

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Publication number
CN105563355B
CN105563355B CN201511002297.6A CN201511002297A CN105563355B CN 105563355 B CN105563355 B CN 105563355B CN 201511002297 A CN201511002297 A CN 201511002297A CN 105563355 B CN105563355 B CN 105563355B
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emery wheel
fused alumina
hardening
raw material
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CN105563355A (en
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姜新民
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Hubei Lei Xin grinding Polytron Technologies Inc
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Daye Copper Industry Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28Resins or natural or synthetic macromolecular compounds
    • B24D3/285Reaction products obtained from aldehydes or ketones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0009Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B24D3/342Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
    • B24D3/344Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The present invention relates to a kind of emery wheel quickly polished for workpiece surface and preparation method thereof;Emery wheel of the present invention is made up of the raw material of following weight parts:One-level Brown Alundum 20~30, one-level plating iridium white fused alumina 15~20, one-level single alundum 35~45, one-level fused alumina zirconia 10~15, liquid phenolic resin 5~6, phenol-formaldehyde resin powder 12.5~13.5, elpasolite 4~7, sodium cryolite 3~4, lithopone 1~2, iron oxide red 0.1~0.3, calcium sulfate crystal whiskers 5~7, iron sulfide 2~4;Raw material used by the present invention is all the commercially available raw material of industry, is easy to purchase and organize production, the material without country's limitation or disabling, does not result in environmental pollution;Preparation process is simple of the present invention, the equipment for being used all is standard device, can be reduced investment outlay, energy saving;Product cost of the present invention remains basically stable compared with similar products, with great Social benefit and economic benefit.

Description

A kind of emery wheel quickly polished for workpiece surface and preparation method thereof
Technical field
The invention belongs to concretion abrasive wheel grinding tool technical field, specifically a kind of emery wheel quickly polished for workpiece surface and Its preparation method.
Background technology
Current the main of workpiece surface polishing that be used in the industrial production has two kinds of products, and a kind of is the cymbal in bonded abrasive tool Abrasive wheel, this emery wheel is mainly used in the overlap of welded steel structure part, welding slag and slightly polishes, the surface rising head removal of cast member, surface Sand removal, the rust cleaning of steel piece surface, except oxide and other unmachinable Surface Machinings etc..The advantage of this grinding wheel is effect Rate is high, has the disadvantage flatness and roughness it cannot be guaranteed that workpiece to be machined surface.Another kind is the blinds sand in coated abrasive tool Wheel piece, this grinding wheel is mainly used in the rust cleaning of workpiece surface, the vestige removal except oxide, workpiece surface.Its advantage is that have Surface smoothness higher, has the disadvantage the flatness it cannot be guaranteed that workpiece surface, is not durable, efficiency is low, high cost.
At present, most of producers of general production cymbal abrasive wheel are all using the brown corundum abrasive of low granularity, because abrasive material More thick sharper, polishing scratch is also bigger, and vibration force is also bigger, and abrasive material is thinner, and sharpness is poorer, and polishing scratch is also with regard to smaller, vibration force Also it is just smaller.With the development of modern industry, roughness, flatness requirement more and more higher to workpiece surface, market competition is got over Come fiercer, enterprise increasingly focuses on production efficiency, production cost, an urgent demand has a kind of emery wheel to be ground the work that can quickly polish Part, can guarantee that workpiece finish, flatness, and lower-cost grinding wheel again.How the sharpness of emery wheel can be improved, and Polishing scratch is not produced in workpiece surface, there is no vibration force, this will make an effort in abrasive material, formula, product design, production technology.
The content of the invention
The purpose of the present invention can not take into account the problem of grinding efficiency and polishing effect aiming at current emery wheel grinding, carry For a kind of emery wheel polished section and preparation method thereof, emery wheel grinding grinding efficiency of the present invention is high, low production cost, workpiece after polishing Surface has good finish and flatness.
A kind of emery wheel quickly polished for workpiece surface of the invention, including following weight parts raw material:
The one-level of one-level Brown Alundum 20~30 plating iridium white fused alumina 15~20
The one-level fused alumina zirconia 10~15 of one-level single alundum 35~45
The phenol-formaldehyde resin powder 12.5~13.5 of liquid phenolic resin 5~6
The sodium cryolite 3~4 of elpasolite 4~7
The iron oxide red 0.1~0.3 of lithopone 1~2
The iron sulfide 2~4 of calcium sulfate crystal whiskers 5~7.
A kind of emery wheel quickly polished for workpiece surface of the invention, its optimization formula includes the original of following weight parts Material:
The one-level of one-level Brown Alundum 25 plating iridium white fused alumina 17.5
The one-level fused alumina zirconia 12.5 of one-level single alundum 40
The phenol-formaldehyde resin powder 13 of liquid phenolic resin 5.5
The sodium cryolite 4 of elpasolite 7
The iron oxide red 0.2 of lithopone 1.6
The iron sulfide 3 of calcium sulfate crystal whiskers 6.
The one-level Brown Alundum and one-level single alundum are that to use particle diameter be the raw material of 60 mesh;Described one-level plating iridium is firm in vain Beautiful and one-level fused alumina zirconia is that to use particle diameter be the raw material of 70 mesh.
The liquid phenolic resin and the phenol-formaldehyde resin powder are produced using Shandong holy well new material limited company The resin liquid of model 2508 and the resin-oatmeal of model 2828B, the technical requirements of 2508 resin liquid are solids content:> 73%, free phenol content:< 18%, viscosity:500-600mPa.s/25 DEG C, pH:8-8.5, outward appearance:Brownish red transparency liquid, water Point:< 15%;The technical requirements of the 2828B resin-oatmeals are free powder:< 5.5%, fusing point:85-105 DEG C, gather speed:65-90s/ 150 DEG C, fluidity:30-40mm, outward appearance:Pale yellow powder, methenamine:6-8%, granularity:200# tails over < 1%.
A kind of preparation method of emery wheel quickly polished for workpiece surface of the invention, comprises the steps:
(1)Batch mixing first adds one-level Brown Alundum, one-level plating iridium white fused alumina, one-level single alundum, one-level fused alumina zirconia Stirred in blender, resin liquid is added while stirring, elpasolite, sodium cryolite, oxygen are sequentially added after stirring Change iron oxide red, iron sulfide, stir, add calcium sulfate crystal whiskers and lithopone stirs, be eventually adding resin-oatmeal, stirring is equal 46 mesh sieves are crossed after even and obtains final product molding mass, molding mass is transferred to storage room storage, and storage room temperature is 5-25 DEG C, air humidity < 50%;
(2)Shaping is hot-forming using 28 station automatic moulding machines, and lathe is heated into 65 DEG C first, sets lathe pressure Power is 8MPa, start lathe, mould is placed on lathe, lathe dally 5-10 minute, after reaching 50 DEG C to mold temperature, elder generation to First molding mass is poured into mould, stand is scraped uniform rear screening cloth and flattened, then pours into second molding mass, and stand scrapes uniform, fills hole, Machine presses 1S, flatten backed off after random mould mould unloading, inspection forming grinding wheel base substrate thickness and aperture it is qualified put to dry in the air load emery wheel to room temperature Baking frock, bolts on and is prepared to enter into next process;
(3)The emery wheel Roaster that emery wheel hardening will be equipped with emery wheel base substrate is put into heating in emery wheel hardening furnace, opens wind Fan and heater, emery wheel base substrate sequentially pass through softening stress-displacement stage, polycondensation phase and hardening phase in hardening furnace, that is, obtain finished sand Wheel, concrete condition is as follows:
Softening stress-displacement stage:The top cover and side door of hardening furnace are opened, first controls furnace temperature 1h in hardening furnace to be at the uniform velocity warming up to 60 DEG C, protected Warm 1h, then controls furnace temperature 1h to be at the uniform velocity warming up to 70 DEG C, is incubated 1h, then controls furnace temperature 1h to be at the uniform velocity warming up to 100 DEG C, is incubated 2h;
Polycondensation phase:Control furnace temperature 1h is at the uniform velocity warming up to 120 DEG C, is incubated 1h;
Hardening phase:Hardening furnace side door is closed, control furnace temperature 1h is at the uniform velocity warming up to 140 DEG C, is incubated 1h, then control furnace temperature 1h 150 DEG C are at the uniform velocity warming up to, 1h is incubated;Closing hardening furnace top cover, control furnace temperature 1h is at the uniform velocity warming up to 170 DEG C, is incubated 3h, closes and add Heat pipe power supply, fan keeps operating, furnace temperature is cooled to 100 DEG C;Hardening furnace power supply is then turned off, top cover and side door is opened, made Emery wheel is naturally cooling to room temperature and obtains final product in atmosphere.
Abrasive material used in the present invention, is using following several raw materials:
One-level Brown Alundum, popular name, also known as diamond dust, is 2000 with alumina, coke (or anthracite), three kinds of raw materials of iron filings By melting prepared by reducing sepia Alundum in electric furnace more than DEG C.Brown AlundumMain chemical is AL2O3, its In 94.5%-97%, grain shape is in irregular water chestnut cylinder to content, and microhardness is 1800~2200Kg/ mm2, good toughness, energy Larger pressure is born, resistant to breakage ability is strong.
One-level plates iridium white fused alumina, and outward appearance is rosiness, and main component is AL2O3, its content >=98.5%, proportion is 3.98, 2300~2400Kg/ of hardness mm2, than common white fused alumina(2200~2300Kg/ mm2)Firmly, one-level plating iridium white fused alumina is common Appearance adds layer of metal iridium on the basis of white fused alumina, is formed by 2200 DEG C of high-temperature calcination.It can fill up common white fused alumina because The slight crack calcined and produce, reduces fragility, increased toughness, hardness, and self-sharpening is good, and caloric value is less, and grinding capacity is strong, Efficiency high, and without polishing scratch.
One-level single alundum a, material is made up of monocrystal, AL2O3>=98%, proportion 3.98,2200~2400Kg/ of hardness mm2, with good many rib cutting edges, toughness higher, grinding capacity is strong, and grinding caloric value is few, relatively costly.
One-level fused alumina zirconia, Al2O3>=60%, ZrO220~40%, it is X- Al2O3And Al2O3-ZrO2Eutectic compound, Proportion is 4.05, the Kg/ mm of hardness 22002, be characterized in that hardness is lower slightly, but toughness is big, intensity is high, usual crystalline size compared with Carefully, wearability is good.
The present invention is the characteristic according to abrasive material, is 60-70 from stock removal rate particle diameter higher by the way of compound abrasive Purpose single alundum, fused alumina zirconia abrasive material and Brown Alundum, the plating iridium white fused alumina stock removal rate that is used in mixed way to improve emery wheel and sharp Degree, self-sharpening, while reaching workpiece of not burning, do not have the purpose of polishing scratch.
Appropriate single alundum and plating iridium white fused alumina are added in brown corundum abrasive can increase emery wheel sharpness, hardness, improve Grainding capacity, simultaneously because single alundum has many rib cutting edges, there is toughness higher, and abrasive grain is smaller, in grinding Also be not in black and polishing scratch, so as to obtain workpiece surface precision higher when operating pressure increases to a certain extent;Plus Enter appropriate fused alumina zirconia, the toughness and wearability of emery wheel can be increased, further reduce polishing scratch, improve workpiece surface precision.
Bonding agent used in the present invention, is the model using the production of Shandong holy well new material limited company 2508 liquid phenolic resin and the phenol-formaldehyde resin powder of model 2828B, add the purpose of resin because resin is by certain Can be tightly pasted together with abrasive material after temperature change, and 2508 resin liquids of Shandong holy well new material limited company production Mobility is very good, and easily abrasive material stirs, the moisture in not empty easy absorption air, it is not easy to degenerate, the resting period compared with It is long.2828B resin-oatmeal fusing points are relatively low, and good fluidity is easily uniformly combined with abrasive material, the moisture in not empty easy absorption air, no Easily degenerate, the resting period is more long.
Filler used in the present invention, is brilliant using elpasolite, sodium cryolite, lithopone, iron oxide red, calcium sulfate Palpus and iron sulfide.The semi-hydrated gypsum in traditional grinding wheel formula is instead of with lithopone, can effectively prevent emery wheel from aoxidizing, degenerating;Potassium Ice crystal, sodium cryolite are main in emery wheel to be play a part of to increase cutting force and extension wheel life;Iron sulfide is main in emery wheel Softening workpiece is played, workpiece temperature is reduced and is played inserts;Calcium sulfate crystal whiskers, can improve the wearability of emery wheel, heat-resisting Property, effectively prevent workpiece from being burnt;Iron oxide red plays coloration.
In the preparation, the property of raw material according to employed in the present invention devises special solidification and heats up emery wheel of the present invention Program, when emery wheel base substrate enters hardening furnace, when beginning to warm up, softening stress-displacement stage is at 80-100 DEG C, now the intensity of base substrate It is minimum, easily deform, it is necessary to certain soaking time thoroughly softens, reach the purpose that resin is merged with abrasive material completion;With The rising of temperature, during to 100-130 DEG C, base substrate is gradually hardened, the now polycondensation reflection of resin is accelerated, and volatile matter is largely arranged Go out, grinding tool is most easy to foaming and crackle, while a large amount of moisture content are evaporated with air during this period, now need to open hardening furnace or so Side door and top cover, allow water vapour to be completely exhausted out;When temperature rises to 170 DEG C of high temperature, after being incubated through certain hour, base substrate can be complete Pansclerosis, as hard solid, should close side door and top cover during this period, prevent that this hot-air sheds.Dried after soaking time is complete Case is to be automatically stopped heating, and fan also needs to continue to agitate, and allows hot-air in hardening furnace to flow everywhere, and furnace temperature to be hardened is down to Stop the unpacking door of baking oven after less than 100 DEG C again, be cooled to outlet after normal temperature automatically in atmosphere, that is, obtain finished sand wheel.Above-mentioned In hardening process, the further contracting poly and crosslinked of molecular resin in bonding agent is handed over by the linear polymerization condensation such as oligomer of small molecule The netted build high polymer of macromolecule is unified into, while some volatile matter(Such as ammonia, free phenol, water)From in emery wheel base substrate Evaporate, obtain qualified emery wheel product.
Emery wheel of the present invention grinding grinding efficiency is high, low production cost, after polishing workpiece surface have good finish and Flatness, and raw material used by the present invention is all the commercially available raw material of industry, is easy to purchase and organize production, and without country's limitation or prohibit Material, does not result in environmental pollution;Preparation process is simple of the present invention, the equipment for being used all is standard device, Ke Yijie Investment-saving, energy saving;Product cost of the present invention remains basically stable compared with similar products, with great social benefit and economy Benefit.
Brief description of the drawings
Fig. 1 is the heating curve figure of the medium plain emery wheel hardening process of the embodiment of the present invention 1.
Specific embodiment
Embodiment 1
A kind of emery wheel quickly polished for workpiece surface, including following weight parts raw material:
The one-level of one-level Brown Alundum 25 plating iridium white fused alumina 17.5
The one-level fused alumina zirconia 12.5 of one-level single alundum 40
The phenol-formaldehyde resin powder 13 of liquid phenolic resin 5.5
The sodium cryolite 4 of elpasolite 7
The iron oxide red 0.2 of lithopone 1.6
The iron sulfide 3 of calcium sulfate crystal whiskers 6.
The one-level Brown Alundum and one-level single alundum are that to use particle diameter be the raw material of 60 mesh;Described one-level plating iridium is firm in vain Beautiful and one-level fused alumina zirconia is that to use particle diameter be the raw material of 70 mesh.
The liquid phenolic resin and the phenol-formaldehyde resin powder are produced using Shandong holy well new material limited company The resin liquid of model 2508 and the resin-oatmeal of model 2828B, the technical requirements of 2508 resin liquid are solids content:> 73%, free phenol content:< 18%, viscosity:500-600mPa.s/25 DEG C, pH:8-8.5, outward appearance:Brownish red transparency liquid, water Point:< 15%;The technical requirements of the 2828B resin-oatmeals are free powder:< 5.5%, fusing point:85-105 DEG C, gather speed:65-90s/ 150 DEG C, fluidity:30-40mm, outward appearance:Pale yellow powder, methenamine:6-8%, granularity:200# tails over < 1%.
A kind of preparation method of emery wheel quickly polished for workpiece surface of the present embodiment, comprises the steps:
(1)Batch mixing first adds one-level Brown Alundum, one-level plating iridium white fused alumina, one-level single alundum, one-level fused alumina zirconia Stirred in blender, resin liquid is added while stirring, elpasolite, sodium cryolite, oxygen are sequentially added after stirring Change iron oxide red, iron sulfide, stir, add calcium sulfate crystal whiskers and lithopone stirs, be eventually adding resin-oatmeal, stirring is equal 46 mesh sieves are crossed after even and obtains final product molding mass, molding mass is transferred to storage room storage, and storage room temperature is 5-25 DEG C, air humidity < 50%;
(2)Shaping is hot-forming using 28 station automatic moulding machines, and lathe is heated into 65 DEG C first, sets lathe pressure Power is 8MPa, start lathe, mould is placed on lathe, lathe dally 5-10 minute, after reaching 50 DEG C to mold temperature, elder generation to First molding mass is poured into mould, stand is scraped uniform rear screening cloth and flattened, then pours into second molding mass, and stand scrapes uniform, fills hole, Machine presses 1S, flatten backed off after random mould mould unloading, inspection forming grinding wheel base substrate thickness and aperture it is qualified put to dry in the air load emery wheel to room temperature Baking frock, bolts on and is prepared to enter into next process;
(3)The emery wheel Roaster that emery wheel hardening will be equipped with emery wheel base substrate is put into heating in emery wheel hardening furnace, opens wind Fan and heater, emery wheel base substrate sequentially pass through softening stress-displacement stage, polycondensation phase and hardening phase in hardening furnace, that is, obtain finished sand Wheel, concrete condition is as follows:
Softening stress-displacement stage:The top cover and side door of hardening furnace are opened, first controls furnace temperature 1h in hardening furnace to be at the uniform velocity warming up to 60 DEG C, protected Warm 1h, then controls furnace temperature 1h to be at the uniform velocity warming up to 70 DEG C, is incubated 1h, then controls furnace temperature 1h to be at the uniform velocity warming up to 100 DEG C, is incubated 2h;
Polycondensation phase:Control furnace temperature 1h is at the uniform velocity warming up to 120 DEG C, is incubated 1h;
Hardening phase:Hardening furnace side door is closed, control furnace temperature 1h is at the uniform velocity warming up to 140 DEG C, is incubated 1h, then control furnace temperature 1h 150 DEG C are at the uniform velocity warming up to, 1h is incubated;Closing hardening furnace top cover, control furnace temperature 1h is at the uniform velocity warming up to 170 DEG C, is incubated 3h, closes and add Heat pipe power supply, fan keeps operating, furnace temperature is cooled to 100 DEG C;Hardening furnace power supply is then turned off, top cover and side door is opened, made Emery wheel is naturally cooling to room temperature and obtains final product in atmosphere.
Emery wheel obtained in the embodiment of the present invention 1 see the table below with the Performance comparision of the similar abrasive wheel of existing other manufacturer productions 1。
The similar abrasive wheel of the different manufacturers of table 1 and the Performance comparision of emery wheel obtained in the present embodiment
100*6 refers to a diameter of 100mm of emery wheel in upper table 1, and thickness is 6mm.By upper table 1 it can be seen that the present embodiment system The emery wheel for obtaining is compared with the domestic several similar abrasive wheels of premium brand, and material removing rate highest, surface roughness is minimum, grinding Than highest, and after processing, workpiece surface does not have stain, and finish, flatness are more satisfactory, and through above-mentioned several Workpiece after grinder buffing is tried out, the workpiece longest-lived of the present embodiment emery wheel processing.
Embodiment 2
A kind of emery wheel quickly polished for workpiece surface, including following weight parts raw material:
The one-level of one-level Brown Alundum 20 plating iridium white fused alumina 20
The one-level fused alumina zirconia 15 of one-level single alundum 35
The phenol-formaldehyde resin powder 13.5 of liquid phenolic resin 5
The sodium cryolite 4 of elpasolite 4
The iron oxide red 0.3 of lithopone 1
The iron sulfide 4 of calcium sulfate crystal whiskers 5.
The one-level Brown Alundum and one-level single alundum are that to use particle diameter be the raw material of 60 mesh;Described one-level plating iridium is firm in vain Beautiful and one-level fused alumina zirconia is that to use particle diameter be the raw material of 70 mesh.
The liquid phenolic resin and the phenol-formaldehyde resin powder are produced using Shandong holy well new material limited company The resin liquid of model 2508 and the resin-oatmeal of model 2828B, the technical requirements of 2508 resin liquid are solids content:> 73%, free phenol content:< 18%, viscosity:500-600mPa.s/25 DEG C, pH:8-8.5, outward appearance:Brownish red transparency liquid, water Point:< 15%;The technical requirements of the 2828B resin-oatmeals are free powder:< 5.5%, fusing point:85-105 DEG C, gather speed:65-90s/ 150 DEG C, fluidity:30-40mm, outward appearance:Pale yellow powder, methenamine:6-8%, granularity:200# tails over < 1%.
The preparation method is with embodiment 1.
Embodiment 3
A kind of emery wheel quickly polished for workpiece surface, including following weight parts raw material:
The one-level of one-level Brown Alundum 30 plating iridium white fused alumina 15
The one-level fused alumina zirconia 10 of one-level single alundum 45
The phenol-formaldehyde resin powder 12.5 of liquid phenolic resin 6
The sodium cryolite 3 of elpasolite 7
The iron oxide red 0.1 of lithopone 2
The iron sulfide 2 of calcium sulfate crystal whiskers 7
The one-level Brown Alundum and one-level single alundum are that to use particle diameter be the raw material of 60 mesh;Described one-level plating iridium is firm in vain Beautiful and one-level fused alumina zirconia is that to use particle diameter be the raw material of 70 mesh.
The liquid phenolic resin and the phenol-formaldehyde resin powder are produced using Shandong holy well new material limited company The resin liquid of model 2508 and the resin-oatmeal of model 2828B, the technical requirements of 2508 resin liquid are solids content:> 73%, free phenol content:< 18%, viscosity:500-600mPa.s/25 DEG C, pH:8-8.5, outward appearance:Brownish red transparency liquid, water Point:< 15%;The technical requirements of the 2828B resin-oatmeals are free powder:< 5.5%, fusing point:85-105 DEG C, gather speed:65-90s/ 150 DEG C, fluidity:30-40mm, outward appearance:Pale yellow powder, methenamine:6-8%, granularity:200# tails over < 1%.
The preparation method is with embodiment 1.

Claims (4)

1. a kind of emery wheel quickly polished for workpiece surface, it is characterised in that the raw material including following weight parts:
The one-level of one-level Brown Alundum 20~30 plating iridium white fused alumina 15~20
The one-level fused alumina zirconia 10~15 of one-level single alundum 35~45
The phenol-formaldehyde resin powder 12.5~13.5 of liquid phenolic resin 5~6
The sodium cryolite 3~4 of elpasolite 4~7
The iron oxide red 0.1~0.3 of lithopone 1~2
The iron sulfide 2~4 of calcium sulfate crystal whiskers 5~7.
2. a kind of emery wheel quickly polished for workpiece surface according to claim 1, it is characterised in that including following heavy Measure the raw material of part:
The one-level of one-level Brown Alundum 25 plating iridium white fused alumina 17.5
The one-level fused alumina zirconia 12.5 of one-level single alundum 40
The phenol-formaldehyde resin powder 13 of liquid phenolic resin 5.5
The sodium cryolite 4 of elpasolite 7
The iron oxide red 0.2 of lithopone 1.6
The iron sulfide 3 of calcium sulfate crystal whiskers 6.
3. a kind of emery wheel quickly polished for workpiece surface according to claim 1 and 2, it is characterised in that:Described one Level Brown Alundum and one-level single alundum are that to use particle diameter be the raw material of 60 mesh;Described one-level plating iridium white fused alumina and one-level fused alumina zirconia It is that to use particle diameter be the raw material of 70 mesh.
4. a kind of preparation method of the emery wheel quickly polished for workpiece surface as claimed in claim 1 or 2, it is characterised in that Comprise the steps:
(1)One-level Brown Alundum, one-level plating iridium white fused alumina, one-level single alundum, one-level fused alumina zirconia are added batch mixing by batch mixing first Stirred in device, resin liquid is added while stirring, elpasolite, sodium cryolite, iron oxide are sequentially added after stirring Red, iron sulfide, stirs, and adds calcium sulfate crystal whiskers and lithopone stirs, and resin-oatmeal is eventually adding, after stirring Cross 46 mesh sieves and obtain final product molding mass, molding mass is transferred to storage room storage, and storage room temperature is 5-25 DEG C, air humidity < 50%;
(2)Shaping is hot-forming using 28 station automatic moulding machines, and lathe is heated into 65 DEG C first, sets lathe pressure and is 8MPa, starts lathe, and mould is placed on lathe, and lathe dallies 5-10 minutes, after reaching 50 DEG C to mold temperature, first to mould In pour into first molding mass, stand scrape it is uniform after screening cloth flatten, then pour into second molding mass, stand scrapes uniform, fills hole, machine pressure 1S, flattens backed off after random mould mould unloading, the qualified loading emery wheel that dries in the air to room temperature of putting of inspection forming grinding wheel base substrate thickness and aperture and toasts Frock, bolts on and is prepared to enter into next process;
(3)The emery wheel Roaster that emery wheel hardening will be equipped with emery wheel base substrate is put into heating in emery wheel hardening furnace, open fan and Heater, emery wheel base substrate sequentially passes through softening stress-displacement stage, polycondensation phase and hardening phase in hardening furnace, that is, obtain finished sand wheel, Concrete condition is as follows:
Softening stress-displacement stage:The top cover and side door of hardening furnace are opened, first controls furnace temperature 1h in hardening furnace to be at the uniform velocity warming up to 60 DEG C, insulation 1h, then controls furnace temperature 1h to be at the uniform velocity warming up to 70 DEG C, is incubated 1h, then controls furnace temperature 1h to be at the uniform velocity warming up to 100 DEG C, is incubated 2h;
Polycondensation phase:Control furnace temperature 1h is at the uniform velocity warming up to 120 DEG C, is incubated 1h;
Hardening phase:Hardening furnace side door is closed, control furnace temperature 1h is at the uniform velocity warming up to 140 DEG C, is incubated 1h, then control furnace temperature 1h at the uniform velocity 150 DEG C are warming up to, 1h is incubated;Hardening furnace top cover is closed, control furnace temperature 1h is at the uniform velocity warming up to 170 DEG C, is incubated 3h, closes heating tube Power supply, fan keeps operating, furnace temperature is cooled to 100 DEG C;Hardening furnace power supply is then turned off, top cover and side door is opened, makes emery wheel Room temperature is naturally cooling in atmosphere to obtain final product.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101186030A (en) * 2007-12-17 2008-05-28 沈阳市盛世磨料磨具有限公司 Spring grinding abrasive wheel
CN101935219A (en) * 2010-09-30 2011-01-05 福州双屹砂轮有限公司 Efficient silicon carbide corundum rare earth ceramic composite grinding wheel and manufacture method thereof
CN202155810U (en) * 2011-06-20 2012-03-07 上海飞鸽磨料磨具有限公司 Special grinding wheel for marine shipbuilding engineering
WO2013176358A1 (en) * 2012-05-24 2013-11-28 주식회사 대한세라믹스 Method for manufacturing alumina-based abrasive grains for abrasive material, and alumina-based abrasive grains for abrasive material manufactured thereby
CN103551972A (en) * 2013-10-25 2014-02-05 沈阳一蒙砂轮有限公司 Nuclear turbine special grinding wheel and manufacturing method thereof
CN103962978A (en) * 2014-05-05 2014-08-06 田继华 Grinding wheel manufacturing method
CN104416491A (en) * 2013-08-23 2015-03-18 青岛锋锐达机械磨具有限公司 Composite cutting abrasive and grinding tool and manufacturing process thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101186030A (en) * 2007-12-17 2008-05-28 沈阳市盛世磨料磨具有限公司 Spring grinding abrasive wheel
CN101935219A (en) * 2010-09-30 2011-01-05 福州双屹砂轮有限公司 Efficient silicon carbide corundum rare earth ceramic composite grinding wheel and manufacture method thereof
CN202155810U (en) * 2011-06-20 2012-03-07 上海飞鸽磨料磨具有限公司 Special grinding wheel for marine shipbuilding engineering
WO2013176358A1 (en) * 2012-05-24 2013-11-28 주식회사 대한세라믹스 Method for manufacturing alumina-based abrasive grains for abrasive material, and alumina-based abrasive grains for abrasive material manufactured thereby
CN104416491A (en) * 2013-08-23 2015-03-18 青岛锋锐达机械磨具有限公司 Composite cutting abrasive and grinding tool and manufacturing process thereof
CN103551972A (en) * 2013-10-25 2014-02-05 沈阳一蒙砂轮有限公司 Nuclear turbine special grinding wheel and manufacturing method thereof
CN103962978A (en) * 2014-05-05 2014-08-06 田继华 Grinding wheel manufacturing method

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Address after: 435129 Huangshi City, Hubei city in Daye Province, Yin Zu Zhen (the original grinding wheel factory)

Patentee after: Hubei Lei Xin grinding Polytron Technologies Inc

Address before: 435129 Huangshi city of Hubei province Daye City Yin Zu Zhen Industrial Park

Patentee before: DAYE COPPER INDUSTRY CO., LTD.