CN105014553B - A kind of ceramic microcrystalline emery wheel and its manufacture method with high-strength grinding performance - Google Patents
A kind of ceramic microcrystalline emery wheel and its manufacture method with high-strength grinding performance Download PDFInfo
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- CN105014553B CN105014553B CN201510367232.5A CN201510367232A CN105014553B CN 105014553 B CN105014553 B CN 105014553B CN 201510367232 A CN201510367232 A CN 201510367232A CN 105014553 B CN105014553 B CN 105014553B
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- 239000000919 ceramic Substances 0.000 title claims abstract description 53
- 238000000227 grinding Methods 0.000 title claims abstract description 49
- 229910001651 emery Inorganic materials 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 46
- 239000007767 bonding agent Substances 0.000 claims abstract description 45
- 239000003082 abrasive agent Substances 0.000 claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 29
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 16
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 4
- 229910001648 diaspore Inorganic materials 0.000 claims abstract description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims description 19
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- 238000010792 warming Methods 0.000 claims description 9
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 8
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000006227 byproduct Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- 230000004927 fusion Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 description 6
- 239000000956 alloy Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009766 low-temperature sintering Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 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
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- -1 wherein Substances 0.000 description 1
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of ceramic microcrystalline emery wheel and its manufacture method with high-strength grinding performance, emery wheel includes：Bonding agent and abrasive material；Abrasive material is mixed by boron carbide with ceramic microcrystalline abrasive particle, and both mixing ratios are 2: 8~2.2: 7.8；Bonding agent includes kaolin powder and diaspore powder；Bonding agent is 5.7: 4.3~6.2: 3.8 with the mass ratio of abrasive material.This case causes to contain thousands of microscopic grains in every abrasive particle by the improvement to abrasive material; new, sharp cutting edge can constantly be exposed from sharp; therefore in cutting, temperature is relatively low; burn or metallographic infringement than common aluminum oxide to difficult-to-grind material is less; and can for a long time keep sharp at low load; total down-time is less, and the life-span is longer.And the bonding agent for passing through optimization is to cool down powder by high-temperature fusion to clamp abrasive material, it is allowed to be formed the grinding tool emery wheel of the hard high-strength of definite shape.
Description
Technical field
It is more particularly to a kind of with the ceramic microcrystalline emery wheel of high-strength grinding performance and its manufacture the present invention relates to abrasive tool industry
Method, more particularly to a kind of pottery with high-strength grinding performance for being applied to carry out aero-engine core part accurate polishing
Porcelain crystallite emery wheel and its manufacture method.
Background technology
Grinding tool product has irreplaceable work as the tooth of industry in terms of grinding, processing and forming, the polishing in product
With.Grinding tool product grinding object can be divided into many kinds, such as timber, metal, alloy, leather, glass, ceramics etc. institute is in need
Carry out the field of grinding and polishing.
With the development of modern industry, application of the high performance grinding tool in industry and civil area is more and more wider, especially
It is more to employ high temperature alloy, titanium alloy material in the finishing field of aero-engine disk/axial workpiece, and high temperature
Belong to difficult grind material on alloy, titanium alloy material mill processing, due to its material property feature, grinding area temperature is high during mill processing,
So that wheel grinding face is easily blocked by metal fillings, abrasive particle is not easy self falling or fall in flakes；Additionally, by mill material list
Face is easily burnt, produces micro-crack and roughness is poor, and these all influence removing material quality and wheel grinding efficiency.
The content of the invention
For the shortcomings of the prior art, the present invention provides a kind of ceramic microcrystalline with high-strength grinding performance
Emery wheel and its manufacture method.
Technical scheme is as follows：
A kind of ceramic microcrystalline emery wheel with high-strength grinding performance, including：Bonding agent and abrasive material；
Wherein, the abrasive material is mixed by the boron carbide of same particle sizes with ceramic microcrystalline abrasive particle, and both mixing ratios
Example is 2: 8~2.2: 7.8；
The bonding agent includes kaolin powder and diaspore powder；
The bonding agent is 5.7: 4.3~6.2: 3.8 with the mass ratio of the abrasive material；
The ceramic microcrystalline abrasive particle includes the material of following weight portion：
Preferably, the described ceramic microcrystalline emery wheel with high-strength grinding performance, wherein, the bonding agent includes following
The material of weight portion：
Preferably, the described ceramic microcrystalline emery wheel with high-strength grinding performance, wherein, also include in the bonding agent
The strontium oxide strontia powder of 2~3 weight portions.
Preferably, the described ceramic microcrystalline emery wheel with high-strength grinding performance, wherein, also include in the bonding agent
The nickel oxide powder of 2~3 weight portions.
Preferably, the described ceramic microcrystalline emery wheel with high-strength grinding performance, wherein, the boron carbide and ceramics are micro-
The particle diameter of brilliant abrasive particle is 600~800 mesh.
A kind of manufacture method of the ceramic microcrystalline emery wheel with high-strength grinding performance, comprises the following steps：
Step 1) weighed by the formula rate of bonding agent, mix, wherein, the bonding agent includes following weight portion
Material：
Step 2) by step 1) gained mixture carries out first time vitreous treatment, the temperature of first time vitreous treatment is 900
~920 DEG C, room temperature is then naturally cooled to, 10~15min, subsequent powder are freezed at continuing to be placed in 0~5 DEG C after natural cooling
It is broken, obtain product one；
Step 3) product one is carried out into second vitreous treatment, the temperature of second vitreous treatment is 980~1000 DEG C, with
Room temperature is naturally cooled under the ultra violet lamp of 10~20W afterwards, is then crushed, obtain product two；
Step 4) product two and abrasive material are mixed, product three is obtained, wherein, the mass ratio of the bonding agent and the abrasive material
It is 5.7: 4.3~6.2: 3.8；The abrasive material is mixed by the boron carbide of same particle sizes with ceramic microcrystalline abrasive particle, and both
Mixed proportion is 2: 8~2.2: 7.8；The ceramic microcrystalline abrasive particle includes the material of following weight portion：
Step 5) by product three with etc. quality water mix adjust it is sticky after be put into molding sizing in mould, compacting, with laggard
Row sintering, since 20 DEG C, 500 DEG C is warming up to 30 DEG C/h of speed, is then warming up to 650 with 25 DEG C/h of speed
DEG C, 795 DEG C are warming up to 17.5 DEG C/h of speed, 4 hours then are incubated at 795 DEG C, naturally cool to room temperature.
Preferably, the manufacture method of the described ceramic microcrystalline emery wheel with high-strength grinding performance, wherein, the combination
Also include the strontium oxide strontia powder of 2~3 weight portions in agent.
Preferably, the manufacture method of the described ceramic microcrystalline emery wheel with high-strength grinding performance, wherein, the combination
Also include the nickel oxide powder of 2~3 weight portions in agent.
Preferably, the manufacture method of the described ceramic microcrystalline emery wheel with high-strength grinding performance, wherein, the carbonization
The particle diameter of boron and ceramic microcrystalline abrasive particle is 600~800 mesh.
The beneficial effects of the invention are as follows：This case is caused micro- containing thousands of in every abrasive particle by the improvement to abrasive material
Little crystallization, can constantly expose new, sharp cutting edge from sharp, therefore temperature is relatively low in cutting, than common aluminum oxide pair
Burn or the metallographic infringement of difficult-to-grind material are less, and can for a long time keep sharp at low load, and total down-time is less,
Life-span is longer.And the bonding agent for passing through optimization is to cool down powder by high-temperature fusion to clamp abrasive material, it is allowed to form a setting
The grinding tool emery wheel of the hard high-strength of shape.Powder can also produce chemical reaction, a side during high-temperature fusion between abrasive material
Although face can improve bond strength, the microscopic grains that high temperature can be destroyed in crystallite abrasive material but then, therefore this case is by right
Brand-new sintering process is improved and combined with reference to agent prescription, using 700~800 DEG C of low temperature sintering technology, is made
The effect of people's satisfaction.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
This case provides the ceramic microcrystalline emery wheel with high-strength grinding performance of an embodiment, including：Bonding agent and abrasive material；
Wherein, abrasive material is mainly used in polishing, and bonding agent is mainly used in bonding and gripping abrasive material, while enabling to beat
The metal fillings and abrasive material for grinding can be slid automatically, and the grinding efficiency of emery wheel is not influenceed.
Abrasive material is mixed by the boron carbide of same particle sizes with ceramic microcrystalline abrasive particle, and both mixed proportions for 2: 8~
2.2∶7.8；Boron carbide can obtain outstanding grinding speed, and clearance and mill higher with the combination of ceramic microcrystalline abrasive particle
Ratio is cut, and both mixed proportions must be strictly limited, and when this ratio is deviateed, then the grinding performance of abrasive material will be caused to deviate
Optimal value, and be difficult to find another preferred ratio value therebetween.Moreover, the knot of boron carbide and ceramic microcrystalline abrasive particle
Conjunction should also be limited, because the combination of the boron carbide and Brown Alundum similar with both structures, the combination of boron carbide and white fused alumina, carbon
SiClx can not reach carbon with the combination of ceramic microcrystalline abrasive particle and boron nitride with the combination of the arbitrary proportion of ceramic microcrystalline abrasive particle
Change the grinding performance produced by the combination of boron and ceramic microcrystalline abrasive particle.
Ceramic microcrystalline abrasive particle includes the material of following weight portion：
The preparation method of ceramic microcrystalline abrasive particle is as follows：Above-mentioned four kinds of materials are mixed in proportion, adds isometric water to adjust
After even, sintered 1 hour at 600~800 DEG C, sintered 2 hours at 1200~1250 DEG C, after natural cooling, the burning that will be obtained
Caking is put into ultrasonic half an hour in frozen water, is then ground crushing, obtains tiny ceramic microcrystalline abrasive particle.Ceramic microcrystalline abrasive particle
Granule size can be adjusted by grinder according to actual needs.The formula rate of above-mentioned ceramic microcrystalline abrasive particle can not freely more
Change, because the formula has a great impact to the anti-wear performance of final resulting materials, even if a kind of simply material, deviate very little
Scope, will all cause the sanding property of final abrasive particle to substantially reduce, therefore, the formula of above-mentioned ceramic microcrystalline abrasive particle should be fixed.
Bonding agent includes kaolin powder and diaspore powder；Both materials are the main bodys of bonding agent, after both combine
Powder is mixed, sintered to possess excellent stability, possesses outstanding adhesion at high temperature, can firmly clamp mill
Material, it is unaffected with the linear velocity for ensuring emery wheel.
Certainly, in order to be further ensured that the grinding capacity of emery wheel, bonding agent should be limited with the mass ratio of abrasive material, preferred value
It is 5.7: 4.3~6.2: 3.8, after this preferred scope is deviateed, the grinding performance of emery wheel will be affected.The knot of heterogeneity
Pro rate between mixture and the abrasive material of heterogeneity is all deposited without reference to property, and between not all of bonding agent and abrasive material
In optimal allocation ratio, when bonding agent composition and abrasive material composition cannot perfect matching when, be at all cannot by test come
It was found that optimal proportion.
In order to further obtain more preferably grinding capacity, it is necessary to be further improved to bonding agent, bonding agent include with
The material of lower weight portion：
The combination of feldspar in powder and manganese dioxide powder can reduce the compatible host response for being ground material and abrasive material, can be effective
Avoiding the Severe blockage or fall in flakes in wheel grinding face can avoid being ground the grinding of material so as to lose grinding capacity, also
Face poor surface quality.Samarium sesquioxide powder has pore-creating function when being found in calcination, may be such that emery wheel forms many stomata knots
Structure, is conducive to metal fillings discharge and the cooling of grinding temperature in grinding process.The particle diameter of the powder of various added materials is unrestricted
System, it is preferred to use at least micron-sized powder body material.
As the another embodiment of this case, wherein, the strontium oxide strontia powder of 2~3 weight portions is also included in bonding agent.Strontium oxide strontia can be carried
Bonding agent high is at high temperature to the adhesion strength of abrasive material, so as to form more potent chucking power to abrasive material.But the addition of strontium oxide strontia
Amount should be limited, and deviateing preferred scope will cause the tensile strength of bonding agent to be affected, so as to influence bonding agent to abrasive material
Chucking power.
As the another embodiment of this case, wherein, the nickel oxide powder of 2~3 weight portions is also included in bonding agent.Nickel oxide is one
Kind of drilling toughener, it is possible to increase the porosity of wear-resistant layer, improves emery wheel and holds bits, chip removal heat-sinking capability, and can effectively prevent Al,
Pollution of the elements such as Cu, Ag to grinding skin.But the addition of nickel oxide should be limited, deviateing preferred scope will cause it to grind
Performance is cut to be affected.
As the another embodiment of this case, wherein, the particle diameter of boron carbide and ceramic microcrystalline abrasive particle is equal, and preferably 600~800
Mesh.
This case provides the manufacture method of the ceramic microcrystalline emery wheel with high-strength grinding performance of another embodiment, including following
Step：
Step 1) weighed by the formula rate of bonding agent, mix, wherein, bonding agent includes the material of following weight portion
Material：
Step 2) by step 1) gained mixture carries out first time vitreous treatment, the temperature of first time vitreous treatment is 900
~920 DEG C, room temperature is then naturally cooled to, 10~15min, subsequent powder are freezed at continuing to be placed in 0~5 DEG C after natural cooling
It is broken, obtain product one；It is in order to eliminate the internal stress of the product that first time vitrifying is obtained, to protect in the purpose of cryogenic freezing
Overall bond strength of the card powder in sintering is unaffected, and dark line is not produced.
Step 3) product one is carried out into second vitreous treatment, the temperature of second vitreous treatment is 980~1000 DEG C, with
Room temperature is naturally cooled under the ultra violet lamp of 10~20W afterwards, is then crushed, obtain product two；Using the mesh of ultraviolet irradiation
Be reduce powder surface can, with cause：1) more preferably, the repulsion between powder is smaller for the Blending Efficiency of Blending of powder；2) powder exists
Temperature requirements during sintering are lower, i.e., without high temperature sintering, need to only sinter at low temperature, so that in effectively preventing abrasive material
Microscopic grains are destroyed.
Step 4) product two and abrasive material are mixed, product three is obtained, wherein, bonding agent is 5.7 with the mass ratio of abrasive material:
4.3~6.2: 3.8；Abrasive material is mixed by the boron carbide of same particle sizes with ceramic microcrystalline abrasive particle, and both mixed proportions are 2
: 8~2.2: 7.8；Ceramic microcrystalline abrasive particle includes the material of following weight portion：
Step 5) by product three with etc. quality water mix adjust it is sticky after be put into molding sizing in mould, compacting, with laggard
Row sintering, since 20 DEG C, 500 DEG C is warming up to 30 DEG C/h of speed, is then warming up to 650 with 25 DEG C/h of speed
DEG C, 795 DEG C are warming up to 17.5 DEG C/h of speed, 4 hours then are incubated at 795 DEG C, naturally cool to room temperature, that is, make
Obtain finished grinding wheel.Low temperature sintering technology can be able to the reason for successfully preparing emery wheel at 3 points：1) the formula quilt of traditional bonding agent
Sufficiently improve；2) composition of abrasive material is greatly optimized；3) pretreating process is carried out to powder.The combination of this three is achieved
Improvement to emery wheel manufacturing process.
As the embodiment of the manufacture method of another ceramic microcrystalline emery wheel of this case, wherein, 2~3 weights are also included in bonding agent
Measure the strontium oxide strontia powder of part.
As the embodiment of the manufacture method of another ceramic microcrystalline emery wheel of this case, wherein, 2~3 weights are also included in bonding agent
Measure the nickel oxide powder of part.
As the embodiment of the manufacture method of another ceramic microcrystalline emery wheel of this case, wherein, boron carbide and ceramic microcrystalline abrasive particle
Particle diameter be 600~800 mesh.
Table one lists combination agent prescription and the influence of the abrasive material formula to wheel grinding performance of different embodiments.
Table one
Table two lists combination agent prescription and the influence of the abrasive material formula to wheel grinding performance of different comparative examples.
Table two
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details.
Claims (4)
1. a kind of ceramic microcrystalline emery wheel with high-strength grinding performance, including：Bonding agent and abrasive material；
Wherein, the abrasive material is mixed by the boron carbide of same particle sizes with ceramic microcrystalline abrasive particle, and both mixed proportions are
2:8~2.2:7.8；
The bonding agent includes kaolin powder and diaspore powder；
The bonding agent is 5.7 with the mass ratio of the abrasive material:4.3~6.2:3.8；
The ceramic microcrystalline abrasive particle includes the material of following weight portion：
The bonding agent includes the material of following weight portion：
Also include the strontium oxide strontia powder of 2~3 weight portions in the bonding agent；
Also include the nickel oxide powder of 2~3 weight portions in the bonding agent.
2. as claimed in claim 1 with high-strength grinding performance ceramic microcrystalline emery wheel, it is characterised in that the boron carbide and
The particle diameter of ceramic microcrystalline abrasive particle is 600~800 mesh.
3. a kind of manufacture method of the ceramic microcrystalline emery wheel with high-strength grinding performance, it is characterised in that comprise the following steps：
Step 1) weighed by the formula rate of bonding agent, mix, wherein, the bonding agent includes the material of following weight portion
Material：
Step 2) by step 1) gained mixture carries out first time vitreous treatment, the temperature of first time vitreous treatment is 900~920
DEG C, room temperature is then naturally cooled to, 10~15min is freezed at continuing to be placed in 0~5 DEG C after natural cooling, then crush, obtain
Product one；
Step 3) product one is carried out into second vitreous treatment, the temperature of second vitreous treatment is 980~1000 DEG C, is then existed
Room temperature is naturally cooled under the ultra violet lamp of 10~20W, is then crushed, obtain product two；
Step 4) product two and abrasive material are mixed, product three is obtained, wherein, the bonding agent is with the mass ratio of the abrasive material
5.7:4.3~6.2:3.8；The abrasive material is mixed by the boron carbide of same particle sizes with ceramic microcrystalline abrasive particle, and both is mixed
Composition and division in a proportion example is 2:8~2.2:7.8；The ceramic microcrystalline abrasive particle includes the material of following weight portion：
Step 5) by product three with etc. quality water mix adjust it is sticky after be put into molding sizing in mould, compacting is then burnt
Knot, since 20 DEG C, 500 DEG C is warming up to 30 DEG C/h of speed, is then warming up to 650 DEG C with 25 DEG C/h of speed,
795 DEG C are warming up to 17.5 DEG C/h of speed, then 4 hours is incubated at 795 DEG C, room temperature is naturally cooled to；
Also include the strontium oxide strontia powder of 2~3 weight portions in the bonding agent；
Also include the nickel oxide powder of 2~3 weight portions in the bonding agent.
4. there is the manufacture method of the ceramic microcrystalline emery wheel of high-strength grinding performance as claimed in claim 3, it is characterised in that institute
The particle diameter for stating boron carbide and ceramic microcrystalline abrasive particle is 600~800 mesh.
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| CN106112838B (en) * | 2016-06-25 | 2018-02-23 | 佛山市新思维机电研发有限公司 | A kind of preparation method of resistance to grinding composite wheel |
| CN106363528A (en) * | 2016-08-30 | 2017-02-01 | 天通银厦新材料有限公司 | Fixed abrasive and grinding technique for sapphire |
| CN109759963B (en) * | 2019-02-13 | 2021-04-02 | 苏州远东砂轮有限公司 | Ceramic microcrystalline grinding wheel for grinding cobalt-chromium-nickel alloy sealing block and preparation method thereof |
| CN110229650A (en) * | 2019-06-11 | 2019-09-13 | 郑州中研高科实业有限公司 | A kind of complex phase spherical abrasive material and preparation method thereof |
| CN114316901A (en) * | 2022-01-20 | 2022-04-12 | 苏州远东砂轮有限公司 | Regular-shaped three-dimensional polymerized abrasive particles and preparation method and application thereof |
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| CN101626869A (en) * | 2007-03-05 | 2010-01-13 | 3M创新有限公司 | Abrasive article with supersi ze coating, and manufacturing method |
| CN101851488A (en) * | 2009-03-31 | 2010-10-06 | 三河市科大博德粉末有限公司 | Ceramic bond diamond grinding block and manufacturing method thereof |
| CN101797724A (en) * | 2010-04-29 | 2010-08-11 | 苏州远东砂轮有限公司 | Precision grinding wheel for high-efficiency aluminum oxide ceramic microcrystalline grinding materials |
| WO2012012940A1 (en) * | 2010-07-28 | 2012-02-02 | 3M Innovative Properties Company | Hybrid abrasive hand pad and method of abrading a surface |
| CN103862390A (en) * | 2012-12-18 | 2014-06-18 | 鲁信创业投资集团股份有限公司 | Ceramic microcrystal abrasive powerful grinding wheel and processing method thereof |
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