CN106607777A - Method for manufacturing grinding tool - Google Patents
Method for manufacturing grinding tool Download PDFInfo
- Publication number
- CN106607777A CN106607777A CN201610519090.4A CN201610519090A CN106607777A CN 106607777 A CN106607777 A CN 106607777A CN 201610519090 A CN201610519090 A CN 201610519090A CN 106607777 A CN106607777 A CN 106607777A
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- CN
- China
- Prior art keywords
- grinding
- siccative
- grinding tool
- mould
- heat dissipating
- Prior art date
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- Granted
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 71
- 150000001875 compounds Chemical class 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 21
- 239000007767 bonding agent Substances 0.000 claims description 20
- 230000004308 accommodation Effects 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000003082 abrasive agent Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000004073 vulcanization Methods 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 5
- 238000005987 sulfurization reaction Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 14
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- GTACSIONMHMRPD-UHFFFAOYSA-N 2-[4-[2-(benzenesulfonamido)ethylsulfanyl]-2,6-difluorophenoxy]acetamide Chemical compound C1=C(F)C(OCC(=O)N)=C(F)C=C1SCCNS(=O)(=O)C1=CC=CC=C1 GTACSIONMHMRPD-UHFFFAOYSA-N 0.000 description 5
- 101710130081 Aspergillopepsin-1 Proteins 0.000 description 5
- 102100031007 Cytosolic non-specific dipeptidase Human genes 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- IBOFVQJTBBUKMU-UHFFFAOYSA-N 4,4'-methylene-bis-(2-chloroaniline) Chemical compound C1=C(Cl)C(N)=CC=C1CC1=CC=C(N)C(Cl)=C1 IBOFVQJTBBUKMU-UHFFFAOYSA-N 0.000 description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 229940008099 dimethicone Drugs 0.000 description 4
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 4
- 241001112258 Moca Species 0.000 description 3
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004972 Polyurethane varnish Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- B24D18/009—Tools not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical 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
- B24D3/346—Physical 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 utilised during polishing, or grinding operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention relates to a method for manufacturing a grinding tool. Heat-dissipating material is mixed in different materials and the proportion of heat dissipation material is different. While ensuring the cutting hardness of the grinding tool, the grinding tool is added with the heat-dissipating material which can take out the heat generated in the working process of the grinding tool. Therefore, the cooling performance of the grinding tool is ensured. Accordingly, rapid cooling is realized in the process of grinding. The cooling effectiveness is ensured and the cooling efficiency is improved. Thereby, the good performance is ensured and the service life is prolonged.
Description
Technical field
The present invention relates to a kind of grinding work, the manufacturer of more particularly to a kind of grinding tool for being ground to workpiece, polish and being ground
Method.
Background technology
Organic grinding tool to be referred to and make bonding agent with organic molecular compound, many abrasive particles are consolidated, forms one kind and have one
Fixed rigid grinding tool.Organic grinding tool includes doing resin abrasive tools made by bonding agent with natural and synthetic resin, and natural
Or the rubber grinding tool made by synthetic rubber bonding agent.
Organic grinding tool is typically made up of abrasive material, organic bond and pore.Wherein, the organic bond include resinoid bond and
Gum cement.And polyurethane is a kind of common gum cement of common gum cement, which is a kind of very special spy
Material is planted, with good operating characteristics, grinding tool can just be produced by hybrid reaction, process costs are very cheap.Meanwhile,
Polyurethane is also a kind of elastic extraordinary soft substance, and has good conjugation, adds its foaming capacity having,
The loose structure formed on grinding tool can play good chip removal effect, if coordinating Brown Alundum substitute rare earth as abrasive material
Polishing abrasive tool is polished to glass.
But, as the heat resistance of polyurethane is very poor, its intensity can drastically decline with the rising of temperature.In grinding tool to work
During part is ground, as friction produces huge heat, very big impact is caused in itself to grinding tool material necessarily, it is special
It is not that the poor product of temperature tolerance such as resinoid bond, gum cement or polyurethane plastics binding agent grinder or its combination is caused
Tremendous influence --- under the hot conditionss that grinding process is produced, above-mentioned bonding agent easily produces softening, melts the destruction knot such as carbonization
The change of structure, directly results in the performance failure of grinding tool, and such as abrasive material comes off, sharpness declines, bonding agent softens melting blocking pore
Deng.
Therefore, solve the heat dissipation problem in the work of polyurethane grinding tool be ensure one that grinding tool normally can use it is crucial.A lot
In occasion, grinding tool can be cooled down using coolant.That is, during grinding tool use, water, emulsion, cold is added
But the coolant such as oil.But, existing employing the method is cooled down to grinding tool or be there are problems that：
1) it is when coolant is cooled down, undesirable less than the cooling effect of 200 DEG C of binding agent grinder to temperature tolerance；
2) in the environment big for Grinding Contact Area comparison, (contact surface is larger when being ground such as cup emery wheel) coolant can not be fine
Enter into working surface, cause cooling failure；
3) for being the non-conductor of heat with reference to agent material itself, cause its high temperature that abrasive material local produces in grinding process basic
Quickly cannot pass to form radiating effect, therefore for the high temperature that local is up to 800 DEG C also can greatly have influence on abrasive material
With the intermediate zone property of bonding agent, abrasive material and bonding agent is made drastically to decline with reference to the bad grinding tool performance that directly results in.
The content of the invention
The invention aims to solve the shortcoming and defect of above-mentioned prior art, there is provided a kind of manufacture method of grinding tool so that
The grinding tool produced can in grinding process quick heat radiating, it is ensured that cooling effect and improve cooling effectiveness, so as to ensure grinding tool
Itself good performance and its service life of prolongation.
To achieve these goals, the technical solution used in the present invention is as follows：A kind of manufacture method of grinding tool, comprises the following steps：
Weighing：
Inserts are weighed in proportion, and inserts are mixed into into siccative compound with abrasive material stirring after the mixing of screen cloth at least twice,
Bonding agent and defoamer, firming agent, stabilizer are prepared by mixing into into bonding agent compound simultaneously；
The different various siccative compounds of manufacture heat sink material proportion：
The heat sink material that the percentage ratio for accounting for its total amount is the first weight percentage is added toward in the siccative compound of part, grinding layer is stirred into
Siccative；The heat sink material that the percentage ratio for accounting for its total amount is the second weight percentage is added toward part grinding layer siccative, radiating block is stirred into
Siccative；
The heat sink material that the percentage ratio for accounting for its total amount is the 3rd weight percentage is added toward in the siccative compound of part, heat dissipating layer is stirred into
Siccative；
Stirring：
By pre- stirring at least 60 seconds of the bonding agent compound, by part bonding agent compound be separately added into the grinding layer siccative,
In radiating block siccative and heat dissipating layer siccative, and independently stir, Deca catalyst, stirs 3.5～4 respectively after completion of dropping respectively
Minute, stop stirring；And grinding layer material feeding, radiating block material feeding and heat dissipating layer material feeding are formed respectively；
Reverse mould, sulfuration and the demoulding：
A dividing plate is put into toward mould, mould is divided into into grinding accommodation space and heat dissipating layer accommodation space；
Pour the heat dissipating layer material feeding toward in heat dissipating layer accommodation space into, and after 105 DEG C of vulcanization reactions 1 hour, come out of the stove, it is cold
But to 40 DEG C, heat dissipating layer base substrate is made in mould；
The dividing plate is taken out, and is being ground holding multiple pieces radiating block template in accommodation space；
The grinding layer material feeding is poured in other spaces toward grinding accommodation space in addition to radiating block template into, and is vulcanized through 105 DEG C
After reaction 1 hour, come out of the stove, be cooled to 40 DEG C, partly layer base substrate is made in mould；
By the polylith radiating template take out, respectively toward polylith radiating mould plate shape into space in pour the radiating block material feeding into, and
After 105 DEG C of vulcanization reactions 1 hour, come out of the stove, be cooled to 40 DEG C, with heat dissipating layer base substrate and local grinding layer base in the mould
Body is collectively forming complete tool body；
Tool body to being formed carries out demoulding process；
Polishing shaping：
After the tool body cooked at constant, the grinding tool to obtaining is surface-treated, shaping of polishing.
Further, before every time using mould, the smearing release agent all in the mould.
Further, first weight percentage is 10%～15%；Second weight percentage is 15%～20%；Described 300th
Proportion is divided to be 40%～50%.
Further, the grinding layer material feeding is made up of following components in percentage by weight：
The percentage by weight sum of above each component is 100%.
Further, the radiating block material feeding is made up of following components in percentage by weight：
The percentage by weight sum of above each component is 100%.
Further, the heat dissipating layer material feeding is made up of following components in percentage by weight：
The percentage by weight sum of above each component is 100%.
Thus, following beneficial effect has been reached by grinding tool made by the manufacture method of grinding tool of the present invention：
1) by heat sink material is mixed in different materials, and make the proportion of heat sink material different, in the cutting hardness for ensureing grinding tool
While, the heat sink material that can making, the heat in the grinding tool course of work is taken out of is increased, the heat dispersion of grinding tool is thereby guaranteed that,
So as to the quick heat radiating in grinding process, it is ensured that cooling effect and raising cooling effectiveness, so as to ensure its own good property
And its service life can be extended；
2) by grinding tool being made with grinding layer and heat dissipating layer in manufacture process, further ensure grinding tool grinding hardness it is same
When ensure its heat dispersion, further increase the radiating efficiency in the grinding tool course of work, optimize cooling effect, be conducive to extending
The service life of grinding tool；
3) by the grinding layer material feeding to grinding tool, radiating block material feeding, heat dissipating layer material feeding the restriction for making component, further optimize
Cooling effect and extend the service life of grinding tool.
Specific embodiment
The manufacture method of the grinding tool that the present invention is provided is comprised the following steps：
Step one：Weighing：
Inserts are weighed in proportion, and inserts are mixed into into siccative compound with abrasive material stirring after the mixing of screen cloth at least twice,
Bonding agent and defoamer, firming agent, stabilizer are prepared by mixing into into bonding agent compound simultaneously；
Step 2：The different various siccative compounds of manufacture heat sink material proportion：
The heat sink material that the percentage ratio for accounting for its total amount is the first weight percentage is added toward in the siccative compound of part, grinding layer is stirred into
Siccative；The heat sink material that the percentage ratio for accounting for its total amount is the second weight percentage is added toward part grinding layer siccative, radiating block is stirred into
Siccative；
The heat sink material that the percentage ratio for accounting for its total amount is the 3rd weight percentage is added toward in the siccative compound of part, heat dissipating layer is stirred into
Siccative；
Step 3：Stirring：
By pre- stirring at least 60 seconds of the bonding agent compound, by part bonding agent compound be separately added into the grinding layer siccative,
In radiating block siccative and heat dissipating layer siccative, and independently stir, Deca catalyst, stirs 3.5～4 respectively after completion of dropping respectively
Minute, stop stirring；And grinding layer material feeding, radiating block material feeding and heat dissipating layer material feeding are formed respectively；
Step 4：Reverse mould, sulfuration and the demoulding：
A dividing plate is put into toward mould, mould is divided into into grinding accommodation space and heat dissipating layer accommodation space；
Pour the heat dissipating layer material feeding toward in heat dissipating layer accommodation space into, and after 105 DEG C of vulcanization reactions 1 hour, come out of the stove, it is cold
But to 40 DEG C, heat dissipating layer base substrate is made in mould；
The dividing plate is taken out, and is being ground holding multiple pieces radiating block template in accommodation space；
The grinding layer material feeding is poured in other spaces toward grinding accommodation space in addition to radiating block template into, and is vulcanized through 105 DEG C
After reaction 1 hour, come out of the stove, be cooled to 40 DEG C, partly layer base substrate is made in mould；
By the polylith radiating template take out, respectively toward polylith radiating mould plate shape into space in pour the radiating block material feeding into, and
After 105 DEG C of vulcanization reactions 1 hour, come out of the stove, be cooled to 40 DEG C, with heat dissipating layer base substrate and local grinding layer base in the mould
Body is collectively forming complete tool body；
Tool body to being formed carries out demoulding process；It is required that the base substrate after the demoulding can not be deformed and dropped off.
Step 5：Polishing shaping：
After the tool body cooked at constant, the grinding tool to obtaining is surface-treated, shaping of polishing.Specifically, base substrate exists
After 85～100 DEG C of 8～16h of cooked at constant, with polyurethane varnish through surface smear, smear surface uniform, it is impossible to have it is blocked up or
Where not being applied to, after needing to stand fully solidification, subsequent processing is just entered.Solidify shaping of polishing after being dried, make up and down
Two end faces reach flatness and thickness requirement.
As a kind of more excellent technical scheme, before every time using mould, the smearing release agent all in the mould.
In weighing step, during actual manufacture grinding tool, the PEPA and methyl diisocyanate of employing have to pass through
Filter, to avoid material conglomeration, if other materials is or not the same day using having to pass through kept dry.Additionally, all of screening
Material must all have the Powder Particle Size and the uniformity of abundance, it is not possible to have conglomeration and uneven thick point.
In stirring work every time, it is required for stirring 60～75 seconds bonding agent compound in advance, after adding siccative, respectively stirs 2
Minute, catalyst (such as amines catalyst) is being instilled then, is being stirred for after completion of dropping 3.4～4 minutes, stopping stirring.And
Every time in whipping process, indoor temperature keep below 23 DEG C, humidity be less than 60%.
Further, each reverse mould requires to complete in 1 minute, and reverse mould requires that surface of material is flat, and material is enough.Jing after die-filling
Crossing initial reaction has a small amount of material to be extruded in die venting in the air.Should keep each batch turning uniform during the reverse mould, and stand
Carve die-filling.
Used as a kind of more excellent technical scheme, first weight percentage is 10%～15%；Second weight percentage is
15%～20%；3rd weight percentage is 40%～50%.
Used as a kind of more excellent technical scheme, the grinding layer material feeding is made up of following components in percentage by weight：
The percentage by weight sum of above each component is 100%.
Used as a kind of more excellent technical scheme, the radiating block material feeding is made up of following components in percentage by weight：
The percentage by weight sum of above each component is 100%.
Used as a kind of more excellent technical scheme, the heat dissipating layer material feeding is made up of following components in percentage by weight：
The percentage by weight sum of above each component is 100%.
Used as a kind of more excellent technical scheme, be mixed with the inserts carries out the compound of the endothermic reaction when grinding tool works.
The compound is inorganic salt hydrate, and the inserts by account for inorganic salt hydrate that its percentage by weight is 40%～50% and
50%～60% adjuvant composition.
In the present embodiment, the polyol is preferably PEPA or polyether polyol.The polyester polyols for being adopted
The type that alcohol or polyether polyol are well known to the skilled person, its hydroxyl value are preferably 7000.The abrasive material is natural mill
Material and manufactured abrasive, the preferably one kind in Brown Alundum, white fused alumina, single alundum, carborundum, cubic boron nitride, cerium oxide
Or it is various.If from Brown Alundum, the Brown Alundum preferred size is at least one in 40#, 60#, 80#, 120#.
The catalyst is catalyst commonly used in the art, preferably amines catalyst.The stabilizer is stabilizer commonly used in the art,
Preferably organotin-carboxylate, particularly preferably di-n-butyltin dilaurate.The firming agent is firming agent commonly used in the art,
Particularly preferably 3,3 '-dichloro -4,4 '-diaminodiphenyl-methane.The defoamer is commonly used in the art
Defoamer, particularly preferably dimethicone.
Preferably, the heat sink material be high temperature heat sink material, particularly preferably 150～850 DEG C of heat sink material.
Hereinafter, illustrate the preparing raw material of grinding tool of the present invention：
The various raw materials of grinding tool are prepared according to formula as below preparation：
The various raw materials of 1-1, grinding tool grinding layer：
PEPA (hydroxyl value 7000)：200g,
Methyl diisocyanate：300g,
Dimethicone：11g,
3,3 '-two chloro- 4,4 '-diaminodiphenyl-methanes (MOCA)：4.5g,
Amines catalyst：2.15g,
Di-n-butyltin dilaurate：3 drops,
Pigment：103g,
Calcium sulphate dihydrate：84g,
Heat sink material：200g,
Brown Alundum：680g.
The various raw materials of 1-2, fin：
PEPA (hydroxyl value 7000)：200g,
Methyl diisocyanate：300g,
Dimethicone：11g,
3,3 '-two chloro- 4,4 '-diaminodiphenyl-methanes (MOCA)：4.5g,
Amines catalyst：2.15g,
Di-n-butyltin dilaurate：3 drops,
Pigment：103g,
Calcium sulphate dihydrate：84g,
Heat sink material：300g,
Brown Alundum：580g.
The various raw materials of 1-3, grinding tool heat dissipating layer：
PEPA (hydroxyl value 7000)：200g,
Methyl diisocyanate：300g,
Dimethicone：11g,
3,3 '-two chloro- 4,4 '-diaminodiphenyl-methanes (MOCA)：4.5g,
Amines catalyst：2.15g,
Di-n-butyltin dilaurate：3 drops,
Pigment：103g,
Calcium sulphate dihydrate：84g,
Heat sink material：400g,
Brown Alundum：480g.
Concrete preparation process please, according to the manufacturing step of the grinding tool of the invention described above, will not be described here.
Relative to prior art, the manufacture method of grinding tool of the present invention is by being mixed into heat sink material in different materials, and makes radiating material
The proportion of material is different, and while the cutting hardness of grinding tool is ensured, increased can make to take the heat in the grinding tool course of work out of
Heat sink material, thereby guarantee that the heat dispersion of grinding tool such that it is able to the quick heat radiating in grinding process, it is ensured that cooling effect and
Cooling effectiveness is improved, so as to ensureing its own good performance and extending its service life.
Above-mentioned embodiment is the invention is not limited in, if the various changes to the present invention or deformation are without departing from spirit of the invention
And scope, if within the scope of these changes and deformation belong to the claim and equivalent technologies of the present invention, then the present invention is also intended to
Comprising these changes and deformation.
Claims (6)
1. a kind of manufacture method of grinding tool, it is characterised in that：Comprise the following steps：
Weighing：
Inserts are weighed in proportion, and inserts are mixed into into siccative compound with abrasive material stirring after the mixing of screen cloth at least twice,
Bonding agent and defoamer, firming agent, stabilizer are prepared by mixing into into bonding agent compound simultaneously；
The different various siccative compounds of manufacture heat sink material proportion：
The heat sink material that the percentage ratio for accounting for its total amount is the first weight percentage is added toward in the siccative compound of part, grinding layer is stirred into
Siccative；The heat sink material that the percentage ratio for accounting for its total amount is the second weight percentage is added toward part grinding layer siccative, is stirred into scattered
Hot block siccative；
The heat sink material that the percentage ratio for accounting for its total amount is the 3rd weight percentage is added toward in the siccative compound of part, heat dissipating layer is stirred into
Siccative；
Stirring：
By pre- stirring at least 60 seconds of the bonding agent compound, by part bonding agent compound be separately added into the grinding layer siccative,
In radiating block siccative and heat dissipating layer siccative, and independently stir, Deca catalyst, is stirred after completion of dropping respectively respectively
3.5～4 minutes, stop stirring；And grinding layer material feeding, radiating block material feeding and heat dissipating layer material feeding are formed respectively；
Reverse mould, sulfuration and the demoulding：
A dividing plate is put into toward mould, mould is divided into into grinding accommodation space and heat dissipating layer accommodation space；
Pour the heat dissipating layer material feeding toward in heat dissipating layer accommodation space into, and after 105 DEG C of vulcanization reactions 1 hour, come out of the stove, cool down
To 40 DEG C, heat dissipating layer base substrate is made in mould；
The dividing plate is taken out, and is being ground holding multiple pieces radiating block template in accommodation space；
The grinding layer material feeding is poured in other spaces toward grinding accommodation space in addition to radiating block template into, and anti-through 105 DEG C of sulfurations
After answering 1 hour, come out of the stove, be cooled to 40 DEG C, partly layer base substrate is made in mould；
By the polylith radiating template take out, respectively toward polylith radiating mould plate shape into space in pour the radiating block material feeding into, and
After 105 DEG C of vulcanization reactions 1 hour, come out of the stove, be cooled to 40 DEG C, with heat dissipating layer base substrate and partly in the mould
Layer base substrate is collectively forming complete tool body；
Tool body to being formed carries out demoulding process；
Polishing shaping：
After the tool body cooked at constant, the grinding tool to obtaining is surface-treated, shaping of polishing.
2. the manufacture method of grinding tool according to claim 1, it is characterised in that：Before every time using mould, all in mould
Smearing release agent.
3. the manufacture method of grinding tool according to claim 1, it is characterised in that：First weight percentage is 10%～15%；
Second weight percentage is 15%～20%；3rd weight percentage is 40%～50%.
4. the manufacture method of grinding tool according to claim 1, it is characterised in that：The grinding layer material feeding is by following weight percent
The component of ratio is made：
5. the manufacture method of grinding tool according to claim 4, it is characterised in that：The radiating block material feeding is by following weight percent
The component of ratio is made：
6. the manufacture method of grinding tool according to claim 5, it is characterised in that：The heat dissipating layer material feeding is by following weight percent
The component of ratio is made：
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5912216A (en) * | 1997-09-08 | 1999-06-15 | Norton Company | Resin bonded abrasive tool and method of making the tool |
| CN103481208A (en) * | 2012-06-13 | 2014-01-01 | 台山市兰宝磨具有限公司 | Grinding tool and preparation method thereof |
| CN103962978A (en) * | 2014-05-05 | 2014-08-06 | 田继华 | Grinding wheel manufacturing method |
| CN104816257A (en) * | 2015-05-14 | 2015-08-05 | 湖北小蚂蚁金刚石工具有限公司 | Screen printing type casting diamond dry grinding sheet and manufacturing process thereof |
| CN105583743A (en) * | 2015-12-23 | 2016-05-18 | 郑州磨料磨具磨削研究所有限公司 | Diamond grinding wheel and manufacturing method thereof |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5912216A (en) * | 1997-09-08 | 1999-06-15 | Norton Company | Resin bonded abrasive tool and method of making the tool |
| CN103481208A (en) * | 2012-06-13 | 2014-01-01 | 台山市兰宝磨具有限公司 | Grinding tool and preparation method thereof |
| CN103962978A (en) * | 2014-05-05 | 2014-08-06 | 田继华 | Grinding wheel manufacturing method |
| CN104816257A (en) * | 2015-05-14 | 2015-08-05 | 湖北小蚂蚁金刚石工具有限公司 | Screen printing type casting diamond dry grinding sheet and manufacturing process thereof |
| CN105583743A (en) * | 2015-12-23 | 2016-05-18 | 郑州磨料磨具磨削研究所有限公司 | Diamond grinding wheel and manufacturing method thereof |
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| CN106607777B (en) | 2019-01-29 |
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