CN103537996A - Grinding wheel containing grinding materials and thermal expansion resin hollow microspheres - Google Patents
Grinding wheel containing grinding materials and thermal expansion resin hollow microspheres Download PDFInfo
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- CN103537996A CN103537996A CN201310552687.5A CN201310552687A CN103537996A CN 103537996 A CN103537996 A CN 103537996A CN 201310552687 A CN201310552687 A CN 201310552687A CN 103537996 A CN103537996 A CN 103537996A
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- abrasive material
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- 238000000227 grinding Methods 0.000 title claims abstract description 64
- 229920005989 resin Polymers 0.000 title claims abstract description 50
- 239000011347 resin Substances 0.000 title claims abstract description 50
- 239000004005 microsphere Substances 0.000 title claims abstract description 6
- 239000000463 material Substances 0.000 title abstract description 20
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000003082 abrasive agent Substances 0.000 claims description 48
- 229910001651 emery Inorganic materials 0.000 claims description 46
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 239000010431 corundum Substances 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000004604 Blowing Agent Substances 0.000 claims description 3
- RBZGEUJLKTVORU-UHFFFAOYSA-N 12014-84-5 Chemical compound [Ce]#[Si] RBZGEUJLKTVORU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052580 B4C Inorganic materials 0.000 claims description 2
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- 241000863929 Naxa Species 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- 229910021418 black silicon Inorganic materials 0.000 claims description 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000002223 garnet Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 13
- 230000003746 surface roughness Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 244000198134 Agave sisalana Species 0.000 description 5
- 235000011624 Agave sisalana Nutrition 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 241001269238 Data Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000894007 species Species 0.000 description 3
- -1 urea aldehyde Chemical class 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 239000004640 Melamine resin Substances 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
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- 239000003365 glass fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
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- 239000004593 Epoxy Substances 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
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- 238000007664 blowing Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
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- 230000017525 heat dissipation Effects 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a grinding wheel containing grinding materials and thermal expansion resin hollow microspheres. The grinding wheel is prepared by raw materials including the grinding materials, the thermal expansion resin hollow microspheres and binding agents. Polishing effect and grinding efficiency of the grinding wheel can be controlled by regulating the proportion of the grinding materials and the thermal expansion resin hollow microspheres.
Description
Technical field
The present invention relates to a kind of emery wheel containing abrasive material and thermal expansion resin tiny balloon, belong to grinding tool field.
Background technology
There is following defect in the various rubbing down grinding tools of current making: close structure, weak heat-dissipating, as resin wheel (oil pressure moulding, dense structure due to).
General resin bond wheel (bonded abrasive tool) is mainly to be formed through mixing, compression molding, heat hardening by abrasive material, resin adhesive, and the use of this class emery wheel exists such as defects such as the heating of the large cutting force of needs, workpiece are serious.
Pore in porous grinding wheel (bonded abrasive tool) be generally in cure process by fill can be at the temperature higher than more than 130 degree the filler (as walnut shell, refined naphthalene etc.) of burn off (being carbonization) burn and form.Thereby but natural fiber also can lose efficacy under this operating mode in carbonization.
Summary of the invention
For above-mentioned technical problem, the object of the present invention is to provide a kind of emery wheel containing abrasive material and thermal expansion resin tiny balloon.
Above-mentioned purpose of the present invention is achieved by the following technical solution: a kind of emery wheel containing abrasive material and thermal expansion resin tiny balloon, the mill of wherein said emery wheel is to be made by the raw material that comprises abrasive material, thermal expansion resin tiny balloon and binding agent.
In the present invention, described abrasive material refers to sharp keen, hard, in order to the material of the softer material surface of grinding.Described abrasive material can be natural abrasive, includes but not limited to natural emery, Naxas emery, garnet and natural diamond etc.; Also can be artificial abrasive material, include but not limited to brown corundum abrasive, white fused alumina abrasive material, single alundum abrasive material, black silicon carbide grain, green silicon carbide abrasive material, cubic silicon carbide abrasive material, cerium silicon carbide abrasive material, boron carbide, diamond and cubic boron nitride etc., and the recovery sand of vitrified abrasive, resin wheel etc. etc.
In the present invention, described thermal expansion resin tiny balloon typical species comprises: microballoon blowing agent foam powder and physical expansion agent that this expended microsphere of pine that Japanese Matsumoto Yushi-Seiyaku Co., Ltd. produces and Akzo Nobel Expancel division department produce.Microballoon blowing agent is a kind of nucleocapsid structure, and shell is thermoplastic acrylic resin base polymer, and kernel is the spherical plastic grain of alkanes gas composition.The general 10-200 micron of diameter, after heating, volume can expand rapidly and increase to self tens times, thereby reaches the effect of foaming.Microballoon blowing temperature scope, from 75 ℃-260 ℃, can, according to various different processing temperatures and technological requirement, be selected most suitable microballoon model.
Thermal expansion resin tiny balloon not only can dispel the heat but also be can also improve structural strength from the basis of sharp crazing development simultaneously, and the height requiring according to heat radiation can change the content of thermal expansion resin tiny balloon.Can in grinding wheel organization, produce and be conducive to the space of grinding and from sharp micro-crack and there is pooling feature.This grinding tool combine rigidity fill and foam both advantage and form many hole-closing structures and disperse related stress, on the basis that reduces not significantly structural strength, because expanding, microballoon can bring a large amount of micro-cracks to microballoon adhesive linkage around, these micro-cracks and bubble are exactly good energy absorption pond when wheel is ground impact force action, thereby have avoided wheel body in grinding, consume too fast and rupture and drop.After allowing microballoon break, form tough mouthful of the grinding that varies in size and distribute at diverse location in grinding, also be that heat dissipation channel is conducive to reduce wheel itself and grinding workpiece surface temperature simultaneously, thereby improve the service life of wheel, improve the utilization rate of material and reduce grinding workpiece surface is caused stress to concentrate possibility by carburizing.Add by volume effect that thermal expansion tiny balloon brings and be the volume ratio of adding larger, grinding and polishing efficiency is higher, and the temperature rise on grinding workpiece and emery wheel surface is fewer.The addition of thermal expansion resin tiny balloon is the 1-50% of abrasive material volume, can be 1%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45% etc.
In the present invention, described bonding agent can be urea aldehyde, melamine resin, epoxy resin or inorganic binder etc., also can be phenolic resin modified, the phenolic aldehyde that comprises the modifications such as urea aldehyde, melamine resin, epoxy, acrylic acid, consumption of binder is raw material total mass ratio 20～50%.
Emery wheel of the present invention can adopt two kinds of typical surface structures: face grinding wheel and circumference emery wheel.As described in Fig. 1 or 2.Fig. 3 illustrates the microstructure of emery wheel, therefrom can find out that binding agent combines abrasive material and thermal expansion resin tiny balloon securely.Fig. 4 is the another kind of form microstructure schematic diagram of emery wheel.In the middle of being, difference increased one deck grid sisal hemp cloth 5 as reinforcement.During making face grinding wheel, be simultaneously stained with back of the body lid, while making circumference emery wheel, without the back of the body, cover.In the present invention, back of the body lid can be glass lid, sisal hemp etc.
Emery wheel of the present invention prepares by the following method: abrasive material, thermal expansion resin tiny balloon are mixed with binding agent, inject mold cavity, through compacting and after solidifying, obtain product.
Further, as illustrated in fig. 1 and 2, on the mill working face of emery wheel of the present invention, groove is also set, for face grinding wheel, described groove is mind-set surrounding radiated entends in mill; For circumference abrasive material, described groove is vertically arranged along mill working face.Described groove is more conducive to grinding, moves back bits and heat radiation, reduces surface of the work residual stress, simultaneously for new provides condition from sharp crack growth.
Accompanying drawing explanation
Fig. 1 is face grinding wheel schematic diagram of the present invention.
Fig. 2 is circumference emery wheel schematic diagram of the present invention.
Fig. 3 is the microstructure schematic diagram of emery wheel of the present invention.
Fig. 4 is the microstructure schematic diagram of another kind of emery wheel of the present invention.
Fig. 5 is the shaping mould that is heating and curing of the present invention.
Fig. 6 is face grinding wheel stereogram of the present invention.
Fig. 7 is face grinding wheel sectional schematic diagram of the present invention.
Fig. 8 is the relation of thermal expansion resin tiny balloon and the variation of abrasive material volume ratio and grinding ratio in embodiment 1 face grinding wheel sample 1-3, grinding efficiency.
Fig. 9 is that in embodiment 1 face grinding wheel sample 1-3, thermal expansion resin tiny balloon and abrasive material volume ratio change the relation with exemplar surface roughness.
Figure 10 is the relation of thermal expansion resin tiny balloon and the variation of abrasive material volume ratio and grinding ratio in embodiment 1 circumference emery wheel sample 1-3, grinding efficiency.
Figure 11 is that in embodiment 1 circumference emery wheel sample 1-3, thermal expansion resin tiny balloon and abrasive material volume ratio change the relation with exemplar surface roughness.
Figure 12 is the relation that embodiment 1 circumference emery wheel sample 4-6 thermal expansion resin tiny balloon and abrasive material volume ratio meet or exceed critical value and grinding ratio, grinding efficiency.
Figure 13 is the relation that embodiment 1 circumference emery wheel sample 4-6 thermal expansion resin tiny balloon and abrasive material volume ratio meet or exceed critical value exemplar surface roughness.
Figure 14 is the process chart of preparing emery wheel.
Figure 15 is the another kind of process chart of preparing emery wheel.
In figure, 1 for back of the body lid, 2 be polishing disk, 3 for thermal expansion resin tiny balloon, 4 for binding agent, 5 for abrasive material, 6 for grid sisal hemp cloth, 7 for abrasive material, binding agent and for thermal expansion resin tiny balloon mixture, 8 be metal mold cavity mould.
The specific embodiment
Embodiment 1(explores the relation of thermal expansion resin tiny balloon addition and rubbing down effect)
Illustrate: in this formula, binding agent and abrasive material ratio determines, after doing batten after mixing by different proportion with abrasive material by binding agent and solidifying, the mechanical performance indexs such as testing elastic modulus, tensile strength, elongation at break filter out and determine in a large amount of test datas.
Proportioning:
1 sample production
1, sample production
1.1 batch mixings: in ratio in each style formula in formula 1, take successively natural fiber, (as made the plane polishing wheel of plane polishing, use thin number, make the circumference polishing wheel of circumference polishing and use thick number), under stirring, add thermal expansion resin tiny balloon, guarantee to stir; Finally under stirring, add modification liquid phenolic resin, stir.Have suffered batch mixing process, surely will guarantee that batch mixing evenly (can not occur caking, clustering phenomena).
1.2 compactings are with curing: press shaping density 0.6-0.7g/cm
3, according to done rubbing down wheel volume size, calculate weighing.Load weighted material is divided uniformly in die cavity and (as made plane polishing wheel, first packed cover into die cavity, then material is spread out in cover uniformly; As make circumference polishing wheel, first by semi-uniform being spread out in die cavity of material, then add sisal hemp or glass fiber reticular cloth, then remaining second half material is spread out on sisal hemp or glass fiber reticular cloth uniformly).After dress mould completes, with hydraulic press, pressurize for the first time compressing.Then release is toasted after 2h at 80 ℃, pressurizes for the second time after compacting, toasts (plane polishing wheel solidifies 4h, and circumference polishing wheel solidifies 6h) after 4-6h at 120 ℃, come out of the stove after being slowly down to room temperature, and mould unloading.
1.3 tests are made style and are: plane polishing wheel: overall diameter is 4 inches (101.6-103mm), and internal diameter is 55mm, and aperture is 16mm, thickness 6-8mm);
Circumference polishing wheel: overall diameter is that 10.6 inches of (270mm) apertures are 32mm, thickness 30mm);
Detect and test data contrast:
1, method of testing explanation: this grinding detects material and is: the plane polishing wheel of plane rubbing down: 45# steel plate (the thick * 10mm of the wide 100mm* of long 200mm*); Circumference polishing wheel: 45# rod iron (long 200mm* diameter * 50mm), (grinding material, rubbing down wheel bear pressure, and rotational line speed (plane polishing wheel: 60m/s, circumference polishing wheel: 40m/s) all identical under identical grinding condition respectively.
2, each index calculating method explanation:
2.1 grinding efficiencies: refer to that the worn amount of material is divided by the grinding time, the g/min of unit.
2.2 grinding ratios: the worn amount of material of exemplar and the ratio of rubbing down foot wheel abrasion amount.
2.3 surface roughnesses: refer to less spacing and small peak valley unevenness that finished surface has, the um of unit.Surface roughness is less, and surface is more smooth.With two-tube light-section microscope, measure.
Total grinding testing time is 30min, and every 10min is one section, and minute three sections of collection data, ask arithmetic mean of instantaneous value.
3, Data Collection
3.1 use formulas 1 are done the 4 inches of face wheel contrasts of face grinding wheel (sample 1, sample 2, sample 3 and conventional same grain 60#(common corundum) for plane rubbing down:
Note: thermal expansion resin tiny balloon with abrasive material mixed volume ratio is: sample 1:10% sample 2:15% sample 3:20%.
Table 1
In flat stone mill material samples 1-3, the relation of thermal expansion resin tiny balloon and the variation of abrasive material volume ratio and grinding ratio, grinding efficiency as shown in Figure 8; In flat stone mill material samples 1-3, the relation of thermal expansion resin tiny balloon and the variation of abrasive material volume ratio and exemplar surface roughness as shown in Figure 9.
3.2 use formulas 1 do circumference emery wheel (sample 1, sample 2, sample 3) for circumference rubbing down with conventional with grain 60#(common corundum) 10.6 inches of thousand pages of wheels contrast:
Table 2
In circumference emery wheel sample 1-3, the relation of thermal expansion resin tiny balloon and the variation of abrasive material volume ratio and grinding ratio, grinding efficiency as shown in figure 10; In circumference emery wheel sample 1-3, the relation of thermal expansion resin tiny balloon and the variation of abrasive material volume ratio and exemplar surface roughness as shown in figure 11.
Thermal expansion resin tiny balloon and abrasive material volume ratio are risen to: sample 4:30% sample 5:40% sample 6:50%, when exploration thermal expansion resin tiny balloon and abrasive material volume ratio meet or exceed critical value, the rubbing down effect of wheel, the circumference emery wheel of peripheral grinding is made sample 4,5,6 in this test, carrys out test comparison.
Table 3
The relation that circumference emery wheel sample 4-6 thermal expansion resin tiny balloon and abrasive material volume ratio meet or exceed critical value and grinding ratio, grinding efficiency as shown in figure 12; The relation that circumference emery wheel sample 4-6 thermal expansion resin tiny balloon and abrasive material volume ratio meet or exceed critical value exemplar surface roughness as shown in figure 13.
3.4 face grinding wheel styles 3, circumference emery wheel sample 3 and same specification angle abrasive disc, the contrast of resin wheel grinding index:
Table 4 plane polishing/rubbing down
Table 5 circumference polishing/rubbing down
Test brief summary:
1, by embodiment 1 formula 1) sample testing data analysis obtains:
In same wheel, in the certain situation of abrasive material, along with thermal expansion resin tiny balloon volume is than improving, the polishing performance of wheel, grinding performance is improved and (but notes: according to 3.3 test datas, find, when thermal expansion resin tiny balloon volume ratio reaches critical value or surpasses critical value, grinding performance is by step-down, and the consumption of thermal expansion resin tiny balloon will and be ground material according to kind, the specification of selected thermal expansion resin tiny balloon the requirement of the polishing performance of wheel, grinding performance is considered); Can regulate by abrasive species and meet the different requirements of material to the polishing performance of wheel, grinding performance that are ground from grain number simultaneously.
2, by embodiment 1 sample testing data and conventional same grain number (common corundum) wheel test data and 3.4 test datas, comprehensively analyze: the face grinding wheel of the plane rubbing down of making by the method, the circumference emery wheel of circumference rubbing down, at polishing performance, more than all improving 20%-30% on grinding performance, by adjust thermal expansion resin tiny balloon addition and with abrasive species with number (and by the abrasive material in wheel tissue, binding agent, thermal expansion resin tiny balloon is transferred to suitable ratio), all can meet difference and be ground the polishing performance of material to wheel, the requirement of grinding performance.
Claims (7)
1. containing an emery wheel for abrasive material and thermal expansion resin tiny balloon, wherein said emery wheel is made by raw materials such as comprising abrasive material, thermal expansion resin tiny balloon and binding agent.
2. emery wheel as claimed in claim 1, wherein said abrasive material is selected from the recovery sand of natural emery, Naxas emery, garnet, natural diamond, brown corundum abrasive, white fused alumina abrasive material, single alundum abrasive material, black silicon carbide grain, green silicon carbide abrasive material, cubic silicon carbide abrasive material, cerium silicon carbide abrasive material, boron carbide, diamond, cubic boron nitride or vitrified abrasive, resin wheel.
3. emery wheel as claimed in claim 1, wherein said thermal expansion resin tiny balloon is selected from this expended microsphere of pine, microballoon blowing agent, physical expansion agent; Diameter 10-200 micron.
4. emery wheel as claimed in claim 1, the addition of wherein said thermal expansion resin tiny balloon is the 1-50% of abrasive material volume.
5. emery wheel as claimed in claim 1, described emery wheel comprises face grinding wheel and circumference emery wheel.
6. emery wheel as claimed in claim 5, described face grinding wheel also comprises that the back of the body that is bonded in mill one side by binding agent covers.
7. emery wheel as claimed in claim 1, is provided with groove on the working face of described emery wheel.
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| CN201310552687.5A CN103537996A (en) | 2013-11-08 | 2013-11-08 | Grinding wheel containing grinding materials and thermal expansion resin hollow microspheres |
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| CN201310552687.5A CN103537996A (en) | 2013-11-08 | 2013-11-08 | Grinding wheel containing grinding materials and thermal expansion resin hollow microspheres |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831737A (en) * | 2014-02-11 | 2014-06-04 | 当涂县南方红月磨具磨料有限公司 | Cubic boron nitride grinding wheel containing shell powder |
| CN109277955A (en) * | 2018-08-30 | 2019-01-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of grinding wheel, preparation method and application for the grinding of QFN semiconductor sealing material |
| CN110076702A (en) * | 2019-05-30 | 2019-08-02 | 云南转畅砂轮科技有限公司 | Make the cutting reconditioning grinding wheel and preparation method thereof of metal pontic |
| CN110121541A (en) * | 2016-12-28 | 2019-08-13 | 3M创新有限公司 | Abrasive material and its manufacturing method |
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|---|---|---|---|---|
| US2806772A (en) * | 1954-09-15 | 1957-09-17 | Electro Refractories & Abrasiv | Abrasive bodies |
| US2986455A (en) * | 1958-02-21 | 1961-05-30 | Carborundum Co | Bonded abrasive articles |
| US4799939A (en) * | 1987-02-26 | 1989-01-24 | Minnesota Mining And Manufacturing Company | Erodable agglomerates and abrasive products containing the same |
| CN1368912A (en) * | 1999-05-28 | 2002-09-11 | 圣戈本磨料股份有限公司 | Abrasive tools for grinding electronic components |
| CN101412207A (en) * | 2008-09-26 | 2009-04-22 | 南京三超金刚石工具有限公司 | Diamond grinding wheel and method for manufacturing tool bit thereof |
| CN101861231A (en) * | 2007-10-01 | 2010-10-13 | 圣戈班磨料磨具有限公司 | Abrasive processing of hard and/or brittle materials |
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2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2806772A (en) * | 1954-09-15 | 1957-09-17 | Electro Refractories & Abrasiv | Abrasive bodies |
| US2986455A (en) * | 1958-02-21 | 1961-05-30 | Carborundum Co | Bonded abrasive articles |
| US4799939A (en) * | 1987-02-26 | 1989-01-24 | Minnesota Mining And Manufacturing Company | Erodable agglomerates and abrasive products containing the same |
| CN1368912A (en) * | 1999-05-28 | 2002-09-11 | 圣戈本磨料股份有限公司 | Abrasive tools for grinding electronic components |
| CN101861231A (en) * | 2007-10-01 | 2010-10-13 | 圣戈班磨料磨具有限公司 | Abrasive processing of hard and/or brittle materials |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831737A (en) * | 2014-02-11 | 2014-06-04 | 当涂县南方红月磨具磨料有限公司 | Cubic boron nitride grinding wheel containing shell powder |
| CN110121541A (en) * | 2016-12-28 | 2019-08-13 | 3M创新有限公司 | Abrasive material and its manufacturing method |
| CN109277955A (en) * | 2018-08-30 | 2019-01-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of grinding wheel, preparation method and application for the grinding of QFN semiconductor sealing material |
| CN110076702A (en) * | 2019-05-30 | 2019-08-02 | 云南转畅砂轮科技有限公司 | Make the cutting reconditioning grinding wheel and preparation method thereof of metal pontic |
| CN110076702B (en) * | 2019-05-30 | 2021-07-27 | 云南转畅砂轮科技有限公司 | Grinding wheel for cutting and grinding metal false teeth and preparation method thereof |
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Application publication date: 20140129 |