CN103313824A - Robust binder bonded grinding wheel - Google Patents
Robust binder bonded grinding wheel Download PDFInfo
- Publication number
- CN103313824A CN103313824A CN2011800616200A CN201180061620A CN103313824A CN 103313824 A CN103313824 A CN 103313824A CN 2011800616200 A CN2011800616200 A CN 2011800616200A CN 201180061620 A CN201180061620 A CN 201180061620A CN 103313824 A CN103313824 A CN 103313824A
- Authority
- CN
- China
- Prior art keywords
- milling tool
- block copolymer
- adhesive
- toughness reinforcing
- matrix material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
Abstract
An abrasive tool includes a matrix material and an abrasive grain contained within the matrix material. The matrix material includes a binder and a block copolymer. The block copolymer includes a binder miscible block and a binder immiscible block. The binder immiscible block of the block copolymer can form toughening domains within the matrix material. A method of forming an abrasive tool includes blending a binder powder, a block copolymer powder, and an abrasive grain to form a blended powder, shaping the blended powder, and curing the blended powder.
Description
Technical field
Following content is at a kind of milling tool, and specifically at a kind of abrasive wheel of durable adhesives.
Background technology
Abrasive wheel typically is used for cutting, grinds and the various materials that are shaped, for example, and the stone material except other materials, metal, glass, plastics etc.Generally, these abrasive wheels can have out of phase material, comprise abrasive grain, a kind of bonding agent and some porosities.Depend on the application of expection, this abrasive wheel can have different designs and configuration.For example, for for the application of fine finishining and cutting metal, the shape of some abrasive wheels is confirmed as making them to have thin especially profile with cutting effectively.
Yet, consider the application of this class wheel, these abrasive article experience fatigue and faults.In fact, these take turns the limited service time that can have less than one day, and this depends on frequency of utilization.Therefore, industrial continuation requirement can have the abrasive wheel that improves performance.
Brief Description Of Drawings
By can understanding this disclosure better referring to accompanying drawing, and make its many feature and advantage become clear for those of ordinary skill in the art.
Fig. 1 comprises the diagram according to a kind of milling tool of an embodiment.
Fig. 2 comprises the diagram according to the diblock copolymer of an embodiment.
Fig. 3 comprises the diagram according to the triblock copolymer of an embodiment.
Fig. 4 comprises a micro-image, has showed the microstructure that is formed by a kind of block copolymer and a kind of resin according to an embodiment.
Fig. 5 comprises a bar chart, has showed according to a kind of regular abrasive article of an embodiment and a kind of rupture velocity of block copolymer abrasive article.
In different figure, use identical reference symbol to represent similar or identical item.
Describe in detail
Following content be at utilization be included in abrasive grain in a kind of matrix material, be used for cutting, grind and the milling tool of the bonding of finishing workpiece.This matrix material can comprise a kind of adhesive and a kind of amphipathic nature block polymer, and this block copolymer comprises the block that the miscible block of a kind of adhesive and a kind of adhesive do not mix mutually.Some embodiment at this is the abrasive wheel that metal is cut and/or is shaped at being particularly suitable for.
Fig. 1 comprises the diagram according to a kind of milling tool of an embodiment.It should be noted that milling tool 100 comprises a body 101, this body have as two dimension generally the annular shape.Should be understood that this instrument has a certain thickness on three-dimensional, make body 101 have a discoid or columniform shape.In one embodiment, this body can have at least about 0.1cm and be not more than the average thickness of about 3cm.For example, this average thickness can be in the scope between about 0.5cm and about 2cm.As demonstrated, this body can have an external diameter 103 that extends through this tool focus.This external diameter 103 can be at 15cm to the scope of about 100cm.In a specific embodiment, this external diameter can be at least about 45cm.
As further displaying, this milling tool 100 can comprise by near inner annular surface 102 central openings 105 that limit the center of body 101.This central opening 105 can extend through the whole thickness of body 101, makes this milling tool 100 to be installed in and be used for making this milling tool 100 rotations on a rotating shaft or the other machines in operating process.
In one embodiment, this body can be included near the wedge area that extends circumferentially that encircles of a part of the periphery of this body.This wedge area can extend through the whole circumference of this body.In addition, this wedge area radially extends from a flat site of this body.In a specific embodiment, the wedge area of this body comprises an average thickness, and this average thickness is greater than the average thickness of the flat site of this body.
In one embodiment, the body of this milling tool can comprise a kind of abrasive grain, and this abrasive grain is comprised in a kind of matrix material.In an example, this abrasive grain can comprise superabrasive material, as diamond, cubic boron nitride and their combination.In another example, these abrasive grains comprise a kind of material of the group that is selected from down material, and this group is made up of the following: oxide-based, carbon compound, borides, nitride-based and their combination.In a specific embodiment, these abrasive grains can mainly be made up of oxide.This oxide material can comprise: aluminium oxide, zirconia, silica or their any combination.In addition, these abrasive grains comprise the Vickers hardness at least about 5GPa.In one embodiment, this abrasive grain can exist with the value from about 50wt% to about 80wt% that accounts for this milling tool.
This matrix material can comprise a kind of adhesive, for example a kind of phenolic resins or a kind of epoxy resin, and a kind of amphipathic nature block polymer.In an example, this matrix material can comprise adhesive and the amphipathic nature block polymer from about 5wt% to about 30wt% from about 70wt% to about 95wt%.
This amphipathic nature block polymer can comprise at least two blocks and can comprise a plurality of blocks that these blocks comprise: poly-(methyl methacrylate), polystyrene, polybutadiene or their any combination.In an example, this amphipathic nature block polymer can be a kind of diblock copolymer or a kind of triblock copolymer.
Fig. 2 comprises a kind of diagram of exemplary diblock copolymer 200.This diblock copolymer 200 can comprise block 202 and 204.In addition, this diblock copolymer can comprise the repetitive of being made up of block 202 and 204, makes after block 204 to be block 202 and to be block 204 after block 202.This block 202 can comprise the polymer that a kind of and block 204 are different, and like this, the characteristic of block 202 can be different with the characteristic of block 204.
Fig. 3 comprises a kind of diagram of exemplary triblock copolymer 300.This triblock copolymer 300 can comprise block 302,304 and 306.In addition, this diblock copolymer can comprise by block 302,304 and 306 repetitives of forming, and makes after block 306 it is another block 302.Block 304 can comprise a kind of and block 302 and the different polymer with block 306.In addition, block 302 can comprise the polymer that a kind of and block 306 are different, make block 302,304 with 306 each comprise a kind of polymer different with other blocks.In an alternate embodiment, block 302 and 306 can comprise a kind of substantially similar polymer.
In addition, this amphipathic nature block polymer can comprise the block that the miscible block of a kind of adhesive and a kind of adhesive do not mix mutually.The miscible block of this adhesive can be a kind of polymer blocks that dissolves in the resin, and it is single-phase to make that like this this miscible block and this resin form of this matrix.On the contrary, the block that do not mix mutually of adhesive can be insoluble in the resin basically and can form the phase of a separation in this matrix.In an example, polystyrene block is easily to be mixed in the phenolic resins, but does not mix mutually in epoxy resin.On the contrary, poly-(methyl methacrylate) block phenolic resins be do not mix mutually but be miscible in epoxy resin.Like this, the copolymer of being made up of a kind of polystyrene block and a kind of poly-(methyl methacrylate) block can be a kind of amphipathic nature block polymer at phenolic resins and epoxy resin.
The alternately characteristic of this amphipathic nature block polymer can cause the self assembly of particular nanostructure when with resin-bonded.In the micro-image of Fig. 4, described an example of this nanostructured.The micro-image of Fig. 4 is to be used to form a for example a kind of micro-image of a part of matrix material of abrasive wheel of milling tool.
One concrete aspect, this matrix material can comprise a kind of block copolymer in a kind of adhesive 402 and this adhesive.This block copolymer can comprise at least one first and second portion, that is, this block copolymer can comprise a kind of diblock copolymer, a kind of triblock copolymer, a kind of Tetrablock copolymer or some other segmented copolymers.
As indicating among Fig. 4, this matrix material can comprise a plurality of toughness reinforcing territory 404 that is dispersed in this matrix material.Each of these toughness reinforcing territories can comprise the first of this block copolymer and can be present in mutually in this matrix material as one first.In addition, a kind of abrasive grain can be dispersed in this matrix material.
One concrete aspect, the second portion of this block copolymer and this adhesive formed with these toughness reinforcing territories mutually different one single-phase.And this that is formed by second portion and this adhesive of this block copolymer second can surround this first phase that forms that is included in these toughness reinforcing territories mutually at least in part.On the other hand, the first of this block copolymer comprises the part that an adhesive does not mix mutually, and the second portion of this block copolymer comprises a miscible part of adhesive.The mixed nature of not the mixing mutually of this block copolymer/easily can cause in this matrix material, forming this first mutually with this second mutually.In addition, not the mixing mutually of this block copolymer/easily mixed nature can cause the different shape of these toughness reinforcing territories (toughening domain) structure, for example spherical domain structure, blister domain structure, cylindrical domain structure etc.
As depicted in figure 4, the cross section in each toughness reinforcing territory can be ellipsoidal generally.In addition, the cross section in each toughness reinforcing territory can be annular generally.On the one hand, these toughness reinforcing territories comprise the average diameter at least about 0.1 μ m.On the other hand, these toughness reinforcing territories can comprise at least about 0.2 μ m, at least about 0.3 μ m, at least about 0.4 μ m, at least about 0.5 μ m, at least about 1.0 μ m, at least about 2.5 μ m or at least about the average diameter of 5.0 μ m.In addition, these toughness reinforcing territories can comprise and are not more than about 25.0 μ m, are not more than about 20.0 μ m, are not more than about 15.0 μ m or are not more than the average diameter of about 10.0 μ m.This average diameter can be between any above-mentioned minimum average B configuration diameter and between the maximum average diameter and comprise in the scope of end value.
For example, these toughness reinforcing territories can be included between 0.1 μ m to the 25.0 μ m and comprise the average diameter of end value.And, these toughness reinforcing territories can be included between 0.1 μ m and the 20.0 μ m and comprise end value, between 0.1 μ m and the 15.0 μ m and comprise end value, between 0.1 μ m and the 10.0 μ m and comprise end value, between 0.1 μ m and the 5.0 μ m and comprise end value, between 0.1 μ m and the 2.5 μ m and comprise end value or between 0.1 μ m and 0.5 μ m and comprise the average diameter of end value.
Again aspect another, these toughness reinforcing territories can comprise a toughness reinforcing territory hardness, and this hardness is less than adhesive hardness.Specifically, this toughness reinforcing territory hardness can be as passing through formula [H
TD/ H
B] x100% provides, about 90% less than adhesive hardness, wherein H
TDBe toughness reinforcing territory hardness and H
BBe adhesive hardness.And, this toughness reinforcing territory hardness can be less than this adhesive hardness about 85%, less than this adhesive hardness about 80%, less than this adhesive hardness about 75% or less than about 70%.On the other hand, this toughness reinforcing territory hardness can be greater than about 60% of this adhesive hardness.This toughness reinforcing territory hardness can be between above-mentioned any minimum percent value and largest percentage value and comprise in the scope of end value.
On the other hand, these toughness reinforcing territories can disperse to spread all over the overall volume of matrix material basically equably.In other words, the major part in these toughness reinforcing territories can be spaced apart from each other.Specifically, can be spaced apart from each other at least about these toughness reinforcing territories of 70%.And, at least about 75%, at least about 80%, at least about 85%, at least about 90%, at least about 95% or can be spaced apart from each other at least about 99% toughness reinforcing territory.On the other hand, all these toughness reinforcing territories can be spaced apart from each other basically.
Again aspect another, this matrix material can comprise the per 1 μ m as seeing in the cross section under about 25000x magnifying power
2Toughness reinforcing territory concentration at least about 1 toughness reinforcing territory.In addition, this toughness reinforcing territory concentration can be per 1 μ m
2At least about 2 toughness reinforcing territories, per 1 μ m
2At least about 3 toughness reinforcing territories, per 1 μ m
2At least about 4 toughness reinforcing territories or per 1 μ m
2At least about 5 toughness reinforcing territories.This toughness reinforcing territory concentration can be not more than per 1 μ m
2About 10 toughness reinforcing territories.This toughness reinforcing territory concentration can be between above-mentioned any Cmin value and Cmax value and comprise in the scope of end value.
For example, this matrix material can comprise per 1 μ m
21 toughness reinforcing territory and per 1 μ m
2Between 10 toughness reinforcing territories and comprise the toughness reinforcing territory concentration of end value.In addition, this toughness reinforcing territory concentration can be at per 1 μ m
21 toughness reinforcing territory and per 1 μ m
2Between 5 toughness reinforcing territories and comprise end value.
This matrix material can comprise about the gross weight of the matrix material block copolymer at least about 0.5wt%.And this matrix material can comprise about the gross weight of this matrix material at least about the block copolymer of 1% block copolymer, about 2wt%, at least about the block copolymer of 3wt%, at least about the block copolymer of 4wt% or at least about the block copolymer of 5wt%.And this matrix material can comprise that the gross weight about this matrix material is not more than the block copolymer of about 10wt%.The value of this block copolymer can be between above-mentioned any minimum wt% value and maximum wt% value and comprise in the scope of end value.
For example, this matrix material can be included between the block copolymer of the block copolymer of about 0.5wt% and about 10wt% and comprise end value.This matrix material can be included between the block copolymer of the block copolymer of about 0.5wt% and about 8wt% and comprise end value, or between the block copolymer of the block copolymer of about 0.5wt% and about 5wt% and comprise end value.
This block copolymer can comprise the polydispersity index less than about 1.4.In addition, this polydispersity index can be less than about 1.3 or 1.2.Yet this polydispersity index can be greater than about 1.1.On the other hand, this polydispersity index can be between about 1.1 and about 1.4 and comprise end value.And this polydispersity index can be between about 1.1 and about 1.3 and comprise end value.When polydispersity index near 1 the time, the length of each chain will be identical basically in this block copolymer.
On the other hand, the milling tool that the use matrix material of showing among Fig. 4 makes up can comprise the rupture velocity at least about 6800RPM.And such milling tool can comprise at least about 6850RPM, at least about 6900RPM, at least about 6950RPM, at least about 7000RPM or at least about the rupture velocity of 7050RPM.One concrete aspect, this rupture velocity can be not more than about 7100RPM.
Again aspect another, this block copolymer can comprise the molal weight at least about 3000g/mol.Specifically, this molal weight can be at least about 3100g/mol, at least about 3200g/mol, at least about 3300g/mol, at least about 3400g/mol or at least about 3500g/mol.On the other hand, this molal weight can be at least about 10000g/mol, at least about 15000g/mol, at least about 20000g/mol, at least about 25000g/mol, at least about 30000g/mol, at least about 35000g/mol, at least about 40000g/mol, at least about 45000g/mol or at least about 50000g/mol.
Combine these toughness reinforcing territories in the process of wherein abrasive wheel in use, these toughness reinforcing territories can be used as damper and work.In other words, combine in the process of these toughness reinforcing territory abrasive wheels therein in use, these toughness reinforcing territories can absorb energy.Vibration damping or energy absorption can be owing to the differences on the hardness between these toughness reinforcing territories and the adhesive.
Forward the method for the milling tool of making this bonding to, a kind of binder powders, a kind of amphipathic nature block polymer powder and a kind of abrasive grain have formed a kind of powder of blend.This binder powders can comprise a kind of solid phenolic resin or a kind of solid epoxy.This amphipathic nature block polymer powder can comprise a kind of solid amphipathic nature block polymer.This solid amphipathic nature block polymer can comprise the block that the miscible block of a kind of adhesive and a kind of adhesive do not mix mutually.In one embodiment, the powder of this blend can comprise the adhesive from about 15wt% to about 50wt%, the amphipathic nature block polymer from about 1wt% to about 15wt%, and the abrasive grain from about 50wt% to about 80wt%.
The powder of this blend can be shaped as a kind of form of abrasive material of bonding.In one embodiment, can fill a mould cavity with the powder of this blend, and can be at the contract powder of this blend of this mould inner pressure.For example, can be by colding pressing to compress the powder of this blend, or can in the process of compacting, heat be added on this powder, for example by hot pressing.
After being shaped, thereby the powder curing that this matrix material is shaped can be formed a kind of milling tool.For example, can be heated to a solidification temperature by the powder with this blend, for example at least about 200 ° of C, this matrix material be solidified.In one embodiment, in the time of in remaining on this mould cavity, this matrix material can be solidified basically.In another embodiment, this matrix material partly can be cured to a point (when from this cavity, shifting out) of the shape that is enough to keep this milling tool.This milling tool can stand other curing to solidify this matrix material basically after shifting out from this mould cavity.
Milling tool described herein can have some feature that makes this milling tool be suitable for improved grinding and/or cutting application.Notably, the fracture toughness of the milling tool of this bonding is improved.For example, can cause that forming the needed power of cracking in this milling tool (is appointed as G by measurement
1C), or by measure the power of specifically removing (specific work off force) (SpWOF) (it is corresponding to the needed power of milling tool that parts are fractureed and leave this bonding) determine fracture toughness.Compare with the abrasive article of routine, proved the G that improved percentage increases at this abrasive article of embodiment
1The SpWOF that C and percentage increase.Notably, for purpose relatively, these conventional abrasive articles comprise the abrasive material of same design, have the matrix material that comprises resin and do not add amphipathic nature block polymer.Property evidence rule of thumb, this milling tool can have the G that the milling tool that surpasses a kind of similar no amphipathic nature block polymer increases at least about 20% percentage
1C.This percentage increase is based on formula ((G
N-G
C)/G
CX 100%), G wherein
NExpression comprises the G of the milling tool of this amphipathic nature block polymer
1C, and G
CExpression does not have the G of the milling tool of this amphipathic nature block polymer
1C.In other embodiments, this percentage increases G
1C can be at least about 30%, for example at least about 40%, and for example at least about 50%, even at least about 60%.In one embodiment, this percentage increases G
1C is not more than about 500%.
Additionally, empirical evidence proves that also this milling tool can have the milling tool that surpasses similar no amphipathic nature block polymer at least about the SpWOF of 10% percentage increase.In addition, it can be at least about 15% that percentage increases SpWOF, for example at least about 20%.This percentage increase is based on formula ((S
N-S
C)/S
CX 100%), S wherein
NExpression has the SpWOF of the milling tool of this amphipathic nature block polymer, and S
CExpression does not have the SpWOF of the milling tool of this amphipathic nature block polymer.In other embodiments, this percentage increase SpWOF is not more than about 500%.
The liquid amphipathic nature block polymer for example described in the U.S. publication 2009/0082486A1, is used to carry out toughness reinforcing to the epoxy resin that is used for multiple application (for example lamination).These application-dependent poly-in comprising (ethylene oxide) (PEO) and poly-(butylene oxide) a kind of amphipathic nature block polymer (PBO).Yet, use liquid resin system can cause the problem that produces the abrasive article that bonds, for example these abrasive grains part sedimentation in this liquid.This may cause the uneven distribution of abrasive grain and inhomogeneous nonferromagnetic substance.Use solid amphipathic nature block polymer powder to provide special advantage for the abrasive article that forms bonding.
In addition, in certain embodiments, the intensity of employed adhesive or the block copolymer value of toughness can be so little values in can using for increasing abrasive wheel, when comparing with this adhesive material, when the liquid form with a kind of like this polymer mixed with a kind of binder powders, this value extremely was difficult to obtain homodisperse basically often.Yet, a kind of like this powder type of block copolymer mixed can allow before this block copolymer/binder powders mixture forms abrasive article, this block copolymer is being evenly spread to this binder powders.
Example
Formed the abrasive article of a few types and tested that some performance parameter (comprise critical energy release rate (G1C) and specifically remove power (SpWOF)) is compared.G1C causes a ftracture measured value of needed power of test abrasive article, and SpWOF is the part that causes this test abrasive article measured value of needed power that fractures.
Comparison example 1 is to be heated to the lasting a kind of preparation based on phenolic resins that prepared in 1 hour of temperature of 200 ° of C by a kind of phenolic resins powder being pressed in the mould and with it.
Prepared sample 1 as comparison example 1 by adding a kind of amphipathic nature block polymer powder.Thereby this phenolic resins and this amphipathic nature block polymer are carried out blend with the 90wt% resin to the ratio of 10wt% copolymer form a kind of powder blend uniformly basically.The temperature that is pressed into this powder blend in the mould and is heated to 200 ° of C continues 1 hour.The result who has shown G1C and SpWOF test at table 1.
Table 1
| ? | G1C | % increases G 1C | SpWOF | % increases SpWOF |
| CS1 | 1304 | ? | 1635 | ? |
| Sample 1 | 1890 | 45% | 2446 | 50% |
Comparison example 2 is to be heated to the lasting a kind of preparation based on phenolic resins that prepared in 1 hour of temperature of 200 ° of C by a kind of phenolic resins powder being pressed in the mould and with it.
As comparison example 2 by the sample 2 that added a kind of amphipathic nature block polymer powder preparation.Thereby this phenolic resins and this amphipathic nature block polymer are carried out blend with the 90wt% resin to the ratio of 10wt% copolymer form a kind of powder blend uniformly basically.The temperature that is pressed into this powder blend in the mould and is heated to 200 ° of C continues 1 hour.Shown G at table 2
1The result of C and SpWOF test.
Table 2
| ? | G1C | % increases G 1C | SpWOF | % increases SpWOF |
| CS2 | 500 | ? | 765 | ? |
| Sample 2 | 620 | 40% | 900 | 15% |
Comparison example 3 is to be heated to the lasting a kind of preparation based on phenolic resins that prepared in 1 hour of temperature of 200 ° of C by a kind of phenolic resins powder being pressed in the mould and with it.
As comparison example 2 by the sample 3 that added a kind of amphipathic nature block polymer powder preparation.Thereby this phenolic resins and this amphipathic nature block polymer are carried out blend with the 90wt% resin to the ratio of 10wt% copolymer form a kind of powder blend uniformly basically.The temperature that is pressed into this powder blend in the mould and is heated to 200 ° of C continues 1 hour.Shown G at table 3
1The result of C and SpWOF test.
Table 3
| ? | G1C% increases G 1C | SpWOF | % increases SpWOF |
| CS3 | 160 | 720 | ? |
| Sample 3 | 26063% | 790 | 10% |
As the data that provide in 2 by table 1 as seen, specific amphipathic nature block polymer is added to the toughness that can improve the abrasive article of these bondings in the resin of abrasive article of bonding.Specifically, make ftracture needed power and make this matrix material rupture needed power all to increase to some extent than the comparable preparation that does not have this amphipathic nature block polymer of this matrix material.
In another example, the formulation that describes in detail in the table 4 below using a kind of abrasive article of standard.Table 5 has been listed the composition of the standard binding agent of mentioning in the table 4.Also the same recipe that describes in detail in use and the table 4 has prepared a kind of block copolymer (BCP) abrasive article.Yet this BCP abrasive article comprises as said a kind of block copolymer is added in this standard binder material.This block copolymer comprises block and the miscible block of a kind of adhesive that a kind of adhesive does not mix mutually.In addition, this block copolymer comprises a kind of PMMA block copolymer.Specifically, this block copolymer comprises polystyrene-syndyotactic polymethyl methacrylate of b-polybutadiene-b-.
Specifically, with this block copolymer and this standard binding agent with the 1:99(block copolymer to the standard binding agent) ratio carry out blend.In addition, this block copolymer is to be in a kind of solid-state, form of powder thoroughly to mix and evenly disperse basically helping, as described in this.Determine dispersed by the BCP abrasive article of finishing being taken different microphotos and determining by the relevant dispersiveness of not mixing the toughness reinforcing territory that partly forms mutually of this block copolymer.
Table 4 abrasive wheel prescription
Table 5 standard binding agent
| Weight % | ? |
| 32% | Phenolic resins |
| 37% | Pyrite |
| 21% | Potassium sulfate |
| 2% | Alcohol, tridecyl |
| 8% | Lime |
In case will carry out blend for each mixture of taking turns, just this powder blend will be pressed in the mould and the temperature that is heated to 200 ° of C continues 1 hour.After making these abrasive articles, each abrasive article is placed in the testing arrangement that breaks.Each abrasive article is freely spinned or rotate until each and take turns the generation catastrophic failure, that is, break up to it.Be used as rupture velocity under the speed record that this abrasive article is taken place to lose efficacy.
Fig. 5 has shown the result of the test of breaking, and is a simple block diagram.The regular abrasive article provide the rupture velocity of about 6800RPM.The rupture velocity of about 7100RPM is provided with the BCP abrasive article (as described in this) of block copolymer structure.Therefore, the BCP abrasive article that makes up with this block copolymer provides a kind of rupture velocity, and this rupture velocity is such as through type: [BS
BCP-BS
ST]/BS
STIt is about 4.4% that the rupture velocity of the regular abrasive article that x 100% provides exceeds,, BS wherein
BCPBe rupture velocity and the BS of BCP abrasive article
STIt is the rupture velocity of regular abrasive article..
More than the theme of Pi Luing should be considered to illustrative and nonrestrictive, and claims are intended to contain all these type of changes, enhancing and other embodiment that drops in the true scope of the present invention.Therefore, allow to the full extent at law, scope of the present invention should be determined by the equivalent the wideest permissible explanation to following claim and they, and should not be subjected to constraint or the restriction of above detailed explanation.
The summary that discloses is followed patent laws and is provided, and submits to by following understanding, that is, it will not be used to explain or limit scope or the implication of claim.In addition, in the detailed description of above accompanying drawing, for being simplified, disclosure different characteristic sets may be described together or in an independent embodiment.This disclosure must not be interpreted as having reflected a kind of intention, that is, the feature that the embodiment that claims requires is more than the feature of clear citation in each claim.On the contrary, reflect as following claim that subject matter can be the whole features at the embodiment that is less than any disclosure.Therefore, following claim is bonded among the detailed description of accompanying drawing, and each claim self defines the theme that proposes claim respectively independently.
Claims (74)
1. milling tool comprises:
A kind of matrix material, this matrix material comprises a kind of adhesive and a kind of block copolymer, this block copolymer comprises the block that the miscible block of a kind of adhesive and a kind of adhesive do not mix mutually, wherein the block that do not mix mutually of this adhesive has formed a plurality of toughness reinforcing territory that disperses in this matrix material, these a plurality of toughness reinforcing territories have a kind of single-phase, comprise the block that this adhesive does not mix mutually; And
Be included in a kind of abrasive grain in this matrix material.
2. milling tool comprises:
A kind of matrix material, this matrix material comprises:
A kind of adhesive;
A kind of block copolymer in this adhesive, this block copolymer has at least one first and second portion;
Be dispersed in a plurality of toughness reinforcing territory in a kind of adhesive, wherein each comprises the first of this block copolymer in these a plurality of toughness reinforcing territories; And
A kind of abrasive grain in this matrix material.
3. milling tool comprises:
A kind of matrix material, this matrix material comprises a kind of adhesive and a kind of block copolymer, this block copolymer comprises the block that the miscible block of a kind of adhesive and a kind of adhesive do not mix mutually, and wherein this matrix material comprises a plurality of toughness reinforcing territory that block that the adhesive by this block copolymer does not mix mutually forms; And
Be included in a kind of abrasive grain in this matrix material.
4. milling tool comprises:
A kind of matrix material, this matrix material comprises a kind of adhesive and a kind of block copolymer, this block copolymer comprises the block that the miscible block of a kind of adhesive and a kind of adhesive do not mix mutually, wherein this matrix material comprises a plurality of toughness reinforcing territories, these toughness reinforcing territories have first phase that the block that do not mixed mutually by this adhesive forms, and wherein in these toughness reinforcing territories each at least in part by one second that is formed by the miscible block of this adhesive and this adhesive encirclement mutually; And
Be included in a kind of abrasive grain in this matrix material.
5. milling tool comprises:
A kind of matrix material, this matrix material comprises a kind of adhesive and a kind of block copolymer, this adhesive comprises: phenol aldehyde adhesive, epoxy adhesive or their any combination, and this block copolymer comprises: gather at least two kinds in (methyl methacrylate) block, polystyrene block and the polybutadiene block; And
Be included in a kind of abrasive grain in this matrix material.
6. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this adhesive is phenolic resins, epoxy resin or their any combination.
7. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this block copolymer comprises: poly-(methyl methacrylate), polystyrene, polybutadiene or their any combination.
8. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this block copolymer is: diblock copolymer, triblock copolymer, Tetrablock copolymer or another segmented copolymer.
9. milling tool as claimed in claim 8, wherein, this block copolymer comprises the block that the miscible block of at least a adhesive and at least a adhesive do not mix mutually.
10. as each described milling tool in the claim 1,2,3,4 or 5, wherein, these abrasive grains comprise a kind of superabrasive material.
11. milling tool as claimed in claim 10, wherein, this superabrasive material comprises a kind of material of the group that is selected from following material, and the group of this material is made up of the following: diamond, cubic boron nitride and their combination.
12. as each described milling tool in the claim 1,2,3,4 or 5, wherein, these abrasive grains comprise a kind of material of the group that is selected from following material, and the group of this material is made up of the following: oxide-based, carbon compound, borides, nitride-based and their combination.
13. milling tool as claimed in claim 12, wherein, these abrasive grains mainly are made of oxide.
14. milling tool as claimed in claim 12, wherein, these abrasive grains comprise a kind of oxide material of the group that is selected from following oxide, and this group is made up of the following: aluminium oxide, zirconia, silica and their combination.
15. as each described milling tool in the claim 1,2,3,4 or 5, wherein, these abrasive grains comprise the Vickers hardness at least about 5GPa.
16. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this milling tool has the milling tool that surpasses a kind of similar this block copolymer of nothing increases G1C at least about 20% percentage, wherein this percentage increase is based on formula ((GN-GC)/GC x 100%), and wherein GN represents to have the G1C that the G1C of milling tool of this block copolymer and GC represent not have the milling tool of this block copolymer.
17. milling tool as claimed in claim 16, wherein, it is at least about 30%, at least about 40%, at least about 50% or at least about 60% that this percentage increases G1C.
18. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this milling tool has the milling tool that surpasses a kind of similar this block copolymer of nothing increases SpWOF at least about 10% percentage, wherein this percentage increase is based on formula ((SN-SC)/SC x 100%), and wherein SN represents to have the SpWOF that the SpWOF of milling tool of this block copolymer and SC represent not have the milling tool of this block copolymer.
19. milling tool as claimed in claim 18, wherein, it is at least about 15% or at least about 20% that this percentage increases SpWOF.
20. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this matrix material comprises the adhesive from about 70wt% to about 95wt%.
21. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this matrix material comprises the block copolymer from about 5wt% to about 30wt%.
22. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this abrasive grain exists with the value from about 50wt% to about 80wt% that accounts for this milling tool.
23. as each described milling tool in the claim 1,2,3,4 or 5, further comprise a kind of body that is formed by this matrix material.
24. milling tool as claimed in claim 23, wherein, this body comprises a kind of cylindrical shape.
25. milling tool as claimed in claim 24, wherein, this body comprises the external diameter at least about 45cm.
26. milling tool as claimed in claim 23, wherein this body comprises the average thickness that is not more than about 3cm.
27. milling tool as claimed in claim 26, wherein, this average thickness is within the scope between about 0.5cm and the about 2cm.
28. milling tool as claimed in claim 23, wherein, this body comprises a wedge area, and this wedge area extends circumferentially around the part ring of the periphery of this body.
29. milling tool as claimed in claim 28, wherein, this wedge area runs through the whole circumference of this body and extends.
30. milling tool as claimed in claim 28, wherein, this wedge area radially extends from a flat site of this body.
31. milling tool as claimed in claim 28, wherein, the average thickness that the wedge area of this body comprises is greater than the average thickness of the flat site of this body.
32. milling tool as claimed in claim 23, wherein, this body comprises a central opening that runs through the thickness of this body and extend.
33. milling tool as claimed in claim 2, wherein, the second portion of this block copolymer and this adhesive formed different with these toughness reinforcing territories one single-phase.
34. milling tool as claimed in claim 2, wherein, the first of this block copolymer comprises the part that an adhesive does not mix mutually.
35. milling tool as claimed in claim 2, wherein, the second portion of this block copolymer comprises a miscible part of adhesive.
36. as each described milling tool in the claim 1,2,3 or 4, wherein, the cross section in each toughness reinforcing territory is ellipsoidal generally.
37. milling tool as claimed in claim 36, wherein, the cross section in each toughness reinforcing territory is circular generally.
38. milling tool as claimed in claim 37, wherein, this toughness reinforcing territory comprises the average diameter at least about 0.1 μ m.
39. milling tool as claimed in claim 38, wherein, these toughness reinforcing territories comprise at least about 0.2 μ m, at least about 0.3 μ m, at least about 0.4 μ m, at least about 0.5 μ m, at least about 1.0 μ m, at least about 2.5 μ m or at least about the average diameter of 5.0 μ m.
40. milling tool as claimed in claim 39, wherein, these toughness reinforcing territories comprise and are not more than about 25.0 μ m, are not more than about 20.0 μ m, are not more than about 15.0 μ m or are not more than the average diameter of about 10.0 μ m.
41. milling tool as claimed in claim 40, wherein, these toughness reinforcing territories comprise between 0.1 μ m and the 25.0 μ m and comprise the average diameter of end value.
42. milling tool as claimed in claim 41, wherein, these toughness reinforcing territories be included between 0.1 μ m and the 20.0 μ m and comprise end value, between 0.1 μ m and the 15.0 μ m and comprise end value, between 0.1 μ m and the 10.0 μ m and comprise end value, between 0.1 μ m and the 5.0 μ m and comprise end value, between 0.1 μ m and the 2.5 μ m and comprise end value or between 0.1 μ m and 0.5 μ m and comprise the average diameter of end value.
43. as each described milling tool in the claim 1,2,3 or 4, wherein, the toughness reinforcing territory hardness that these toughness reinforcing territories comprise is less than adhesive hardness.
44. milling tool as claimed in claim 43, wherein, these toughness reinforcing territory hardness are less than about 90% of adhesive hardness.
45. milling tool as claimed in claim 44, wherein, this toughness reinforcing territory hardness be less than this adhesive hardness about 85%, less than this adhesive hardness about 80%, less than this adhesive hardness about 75% or less than about 70%.
46. milling tool as claimed in claim 45, wherein, these toughness reinforcing territory hardness are greater than about 60% of this adhesive hardness.
47. milling tool as claimed in claim 43, wherein, these toughness reinforcing territory hardness about 60% and this adhesive hardness of this adhesive hardness about 90% between and comprise end value.
48. as each described milling tool in the claim 1,2,3 or 4, wherein, these toughness reinforcing territories are the overall volume of disperseing to spread all over this matrix material basically equably.
49. as each described milling tool in the claim 1,2,3 or 4, wherein, this matrix material comprises per 1 μ m
2Toughness reinforcing territory concentration at least about 1 toughness reinforcing territory.
50. milling tool as claimed in claim 49, wherein, this toughness reinforcing territory concentration is per 1 μ m
2At least about 2 toughness reinforcing territories, per 1 μ m
2At least about 3 toughness reinforcing territories, per 1 μ m
2At least about 4 toughness reinforcing territories or per 1 μ m
2At least about 5 toughness reinforcing territories.
51. milling tool as claimed in claim 50, wherein, this toughness reinforcing territory concentration is to be not more than per 1 μ m
2About 10 toughness reinforcing territories.
52. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this matrix material comprises per 1 μ m
21 toughness reinforcing territory and per 1 μ m
2Between 10 toughness reinforcing territories and comprise the toughness reinforcing territory concentration of end value.
53. milling tool as claimed in claim 52, wherein, this toughness reinforcing territory concentration is per 1 μ m
21 toughness reinforcing territory and per 1 μ m
2Between 5 toughness reinforcing territories and comprise end value.
54. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this matrix material comprises for the gross weight of this matrix material the block copolymer at least about 0.5wt%.
55. milling tool as claimed in claim 54, wherein, this matrix material comprises for the gross weight of this matrix material at least about 1wt%, at least about the block copolymer of 2wt%, at least about the block copolymer of 3wt%, at least about the block copolymer of 4wt% or at least about the block copolymer of 5wt%.
56. milling tool as claimed in claim 55, wherein, this matrix material comprises the block copolymer that is not more than about 10wt% for the gross weight of this matrix material.
57. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this matrix material be included between the block copolymer of the block copolymer of about 0.5wt% and about 10wt% and comprise end value, between the block copolymer of the block copolymer of about 0.5wt% and about 8wt% and comprise end value or between the block copolymer of the block copolymer of about 0.5wt% and about 5wt% and comprise end value.
58. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this block copolymer comprises less than about polydispersity index of 1.4,1.3 or 1.2.
59. milling tool as claimed in claim 58, wherein, this block copolymer comprises the polydispersity index greater than about 1.1.
60. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this block copolymer is included between about 1.1 and about 1.4 and comprises end value or between about 1.1 and about 1.3 and comprise the polydispersity index of end value.
61. as each described milling tool in the claim 1,2,3,4 or 5, further comprise the rupture velocity at least about 6800RPM.
62. milling tool as claimed in claim 61 further comprises at least about 6850RPM, at least about 6900RPM, at least about 6950RPM, at least about 7000RPM or at least about the rupture velocity of 7050RPM.
63. milling tool as claimed in claim 62, wherein, this rupture velocity is to be not more than about 7100RPM.
64. as each described milling tool in the claim 1,2,3,4 or 5, wherein, this block copolymer comprises the molal weight at least about 3000g/mol.
65. as the described milling tool of claim 64, wherein this molal weight is at least about 3100g/mol, at least about 3200g/mol, at least about 3300g/mol, at least about 3400g/mol, at least about 3500g/mol, at least about 10000g/mol, at least about 15000g/mol, at least about 20000g/mol, at least about 25000g/mol, at least about 30000g/mol, at least about 35000g/mol, at least about 40000g/mol, at least about 45000g/mol or at least about 50000g/mol.
66. as each described milling tool in the claim 1,2,3 or 4, wherein, these toughness reinforcing territories are configured in use work as damper.
67. as each described milling tool in the claim 1,2,3 or 4, wherein, these toughness reinforcing territories are configured in use absorb energy.
68. a method comprises:
To form a kind of powder of blend, this block copolymer comprises the block that the miscible block of a kind of adhesive and a kind of adhesive do not mix mutually with a kind of binder powders, a kind of block copolymer powder and a kind of abrasive grain blend;
Powder forming with this blend; And
Solidify the powder of this blend to form a kind of milling tool.
69. as the described method of claim 68, wherein, the powder forming of this blend is comprised:
Powder with this blend is filled a mould; And
At the contract powder of this blend of this mould inner pressure.
70. as the described method of claim 68, wherein, the powder that solidifies this blend comprises that the powder that heats this blend is to solidification temperature.
71. as the described method of claim 70, wherein, this solidification temperature is at least about 200 ° of C.
72. as the described method of claim 67, wherein, the powder of this blend comprises the adhesive from about 15wt% to about 50wt%.
73. as the described method of claim 68, wherein, the powder of this blend comprises the block copolymer from about 1wt% to about 15wt%.
74. as the described method of claim 68, wherein, the powder of this blend comprises the abrasive grain from about 50wt% to about 80wt%.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201061427577P | 2010-12-28 | 2010-12-28 | |
| US61/427,577 | 2010-12-28 | ||
| PCT/US2011/067628 WO2012092388A2 (en) | 2010-12-28 | 2011-12-28 | Robust binder bonded grinding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103313824A true CN103313824A (en) | 2013-09-18 |
Family
ID=46383852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800616200A Pending CN103313824A (en) | 2010-12-28 | 2011-12-28 | Robust binder bonded grinding wheel |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20120174493A1 (en) |
| EP (1) | EP2658682A2 (en) |
| CN (1) | CN103313824A (en) |
| AU (1) | AU2011352122A1 (en) |
| BR (1) | BR112013015065A2 (en) |
| CO (1) | CO6741204A2 (en) |
| RU (1) | RU2013135448A (en) |
| TW (1) | TWI449602B (en) |
| WO (1) | WO2012092388A2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037478B (en) * | 2020-01-11 | 2021-11-02 | 邬师荣 | Grinding tool based on chemical fermentation synthesis reaction and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073389A (en) * | 1991-12-20 | 1993-06-23 | 明尼苏达州采矿制造公司 | The abrasive backing of coating |
| US6143826A (en) * | 1996-09-30 | 2000-11-07 | Kuraray Co., Ltd. | Polymer blend |
| US6179887B1 (en) * | 1999-02-17 | 2001-01-30 | 3M Innovative Properties Company | Method for making an abrasive article and abrasive articles thereof |
| CN1589189A (en) * | 2001-11-21 | 2005-03-02 | 圣戈本磨料股份有限公司 | Porous abrasive tool and method for making the same |
| US7820760B2 (en) * | 2004-11-10 | 2010-10-26 | Dow Global Technologies Inc. | Amphiphilic block copolymer-modified epoxy resins and adhesives made therefrom |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5681612A (en) * | 1993-06-17 | 1997-10-28 | Minnesota Mining And Manufacturing Company | Coated abrasives and methods of preparation |
| US5928394A (en) * | 1997-10-30 | 1999-07-27 | Minnesota Mining And Manufacturing Company | Durable abrasive articles with thick abrasive coatings |
| US6217432B1 (en) * | 1998-05-19 | 2001-04-17 | 3M Innovative Properties Company | Abrasive article comprising a barrier coating |
| US6312484B1 (en) * | 1998-12-22 | 2001-11-06 | 3M Innovative Properties Company | Nonwoven abrasive articles and method of preparing same |
| US6056794A (en) * | 1999-03-05 | 2000-05-02 | 3M Innovative Properties Company | Abrasive articles having bonding systems containing abrasive particles |
| US20020065031A1 (en) * | 2000-10-17 | 2002-05-30 | 3M Innovative Properties Company | Unitary brush having abrasive coated bristles and method of making the same |
| US6846232B2 (en) * | 2001-12-28 | 2005-01-25 | 3M Innovative Properties Company | Backing and abrasive product made with the backing and method of making and using the backing and abrasive product |
| US6949128B2 (en) * | 2001-12-28 | 2005-09-27 | 3M Innovative Properties Company | Method of making an abrasive product |
| GB0411268D0 (en) * | 2004-05-20 | 2004-06-23 | 3M Innovative Properties Co | Method for making a moulded abrasive article |
| US7294048B2 (en) * | 2004-06-18 | 2007-11-13 | 3M Innovative Properties Company | Abrasive article |
| US7169029B2 (en) * | 2004-12-16 | 2007-01-30 | 3M Innovative Properties Company | Resilient structured sanding article |
-
2011
- 2011-12-28 TW TW100149307A patent/TWI449602B/en not_active IP Right Cessation
- 2011-12-28 CN CN2011800616200A patent/CN103313824A/en active Pending
- 2011-12-28 EP EP11853314.0A patent/EP2658682A2/en not_active Withdrawn
- 2011-12-28 US US13/339,162 patent/US20120174493A1/en not_active Abandoned
- 2011-12-28 AU AU2011352122A patent/AU2011352122A1/en not_active Abandoned
- 2011-12-28 RU RU2013135448/02A patent/RU2013135448A/en not_active Application Discontinuation
- 2011-12-28 WO PCT/US2011/067628 patent/WO2012092388A2/en active Application Filing
- 2011-12-28 BR BR112013015065A patent/BR112013015065A2/en not_active IP Right Cessation
-
2013
- 2013-07-18 CO CO13170804A patent/CO6741204A2/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073389A (en) * | 1991-12-20 | 1993-06-23 | 明尼苏达州采矿制造公司 | The abrasive backing of coating |
| US5580634A (en) * | 1991-12-20 | 1996-12-03 | Minnesota Mining And Manufacturing Company | Coated abrasive backing |
| US6143826A (en) * | 1996-09-30 | 2000-11-07 | Kuraray Co., Ltd. | Polymer blend |
| US6179887B1 (en) * | 1999-02-17 | 2001-01-30 | 3M Innovative Properties Company | Method for making an abrasive article and abrasive articles thereof |
| CN1589189A (en) * | 2001-11-21 | 2005-03-02 | 圣戈本磨料股份有限公司 | Porous abrasive tool and method for making the same |
| US7820760B2 (en) * | 2004-11-10 | 2010-10-26 | Dow Global Technologies Inc. | Amphiphilic block copolymer-modified epoxy resins and adhesives made therefrom |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012092388A3 (en) | 2012-11-08 |
| TWI449602B (en) | 2014-08-21 |
| CO6741204A2 (en) | 2013-08-30 |
| RU2013135448A (en) | 2015-02-10 |
| EP2658682A2 (en) | 2013-11-06 |
| US20120174493A1 (en) | 2012-07-12 |
| BR112013015065A2 (en) | 2016-08-09 |
| AU2011352122A1 (en) | 2013-08-01 |
| TW201242721A (en) | 2012-11-01 |
| WO2012092388A2 (en) | 2012-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI257340B (en) | Method of roll grinding | |
| TWI295952B (en) | Bonded abrasive tool and method of centerless grinding | |
| US8252075B2 (en) | Bonded abrasive tool and method of forming | |
| JP5503150B2 (en) | Grinding wheel for fine trimming, use of grinding wheel and manufacturing method and apparatus thereof | |
| CN104057403B (en) | A kind of preparation method of the epoxy resin binder diamond grinding tool with high polishing performance | |
| TW200821094A (en) | Microfiber reinforcement for abrasive tools | |
| TW200927387A (en) | Abrasive articles with novel structures and methods for grinding | |
| CN102658528A (en) | Graded structured composite elastic grinding and polishing disc | |
| CN106674483A (en) | Two-component polyurethane adhesive for grinding tool and preparation method of two-component polyurethane adhesive | |
| CN202702052U (en) | Composite and elastic grinding and polishing disc with hierarchical structure | |
| CN103313824A (en) | Robust binder bonded grinding wheel | |
| CN105969307B (en) | The adhesive linkage of brake block and brake block and the preparation technology of brake block containing this adhesive linkage | |
| CN103374286A (en) | High wear-resistant diamond composite paint | |
| CN101508087B (en) | Diamond thin-film grinding method and catalyst grinding wheel thereof | |
| DE102011008044B4 (en) | grinding wheel | |
| JP4234929B2 (en) | Super abrasive wheel and manufacturing method thereof | |
| RU2558734C1 (en) | Weight for diamond tool manufacturing | |
| RU2064941C1 (en) | Composition for elastic abrasive tool making | |
| CN105062008B (en) | A kind of plane mill obturator system with from sharp function | |
| CN104084896B (en) | Abrasive cloth manufacture method | |
| CN106800905A (en) | A kind of ceramic base abrading block binding metal matrix epoxy adhesive and its preparation method and application | |
| CN202264157U (en) | Safe net core grinding plate | |
| JP2019514716A (en) | Abrasive articles and methods of forming them | |
| CN107175589A (en) | A kind of long-life grinder wheel | |
| JP6276802B2 (en) | Cutting articles having layered segments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130918 |