CN108747853A - A kind of grinding skive and preparation method thereof - Google Patents

A kind of grinding skive and preparation method thereof Download PDF

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Publication number
CN108747853A
CN108747853A CN201810749048.0A CN201810749048A CN108747853A CN 108747853 A CN108747853 A CN 108747853A CN 201810749048 A CN201810749048 A CN 201810749048A CN 108747853 A CN108747853 A CN 108747853A
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China
Prior art keywords
powder
grinding
mixture
abrasive material
material circle
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CN201810749048.0A
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Chinese (zh)
Inventor
王聪
范永刚
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Northeastern University China
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Northeastern University China
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Publication of CN108747853A publication Critical patent/CN108747853A/en
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    • 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
    • B24D3/04—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 inorganic
    • B24D3/06—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 inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for

Abstract

A kind of grinding skive and preparation method thereof, super hard abrasive field；Grinding wheel includes steel core, abrasive material circle, and steel core and abrasive material circle are combined by resinoid bond resin glue caking agent, and abrasive material circle is prepared by diamond abrasive, metallic bond and additional adhesive；Metallic bond contains Cu powder and TiH2Powder；Abrasive material circle forms：Diamond abrasive, metallic bond and hole；Preparation method：1) by diamond abrasive, Cu powder and TiH2Powder is uniformly mixed, and obtains mixture A；2) additional adhesive is uniformly mixed with mixture A, obtains mixture B；3) mixture B is dried；4) by the mixture B sievings after drying；5) by the mixture B after sieving, cold moudling；6) by abrasive material circle green compact, after being sintered under inert gas atmosphere, abrasive material circle green body is made；7) resin glue caking agent is used, abrasive material circle green body and steel core are bonded, grinding skive is obtained.

Description

A kind of grinding skive and preparation method thereof
Technical field
The present invention relates to super hard abrasive fields, and in particular to a kind of grinding skive and preparation method thereof.
Background technology
With modern mechanical processing towards high-precision, at high speed, hard processing, dry processing (no coolant liquid) and reduce cost etc. Direction is developed, and quite high requirement is proposed to grinding tool performance.Traditional silicon carbide and corundum conventional abrasive material mold cannot be complete The current high speed of full up foot, efficient, high-precision grinding requirement, therefore various excellent wear-resisting properties are developed, it can carry out for a long time steady Surely the superhard removing material processed is inevitable development trend.Currently used superhard removing material includes diamond and cube nitrogen Change two kinds of abrasive materials of boron.Diamond is most hard material and wearability is extremely strong, is suitable for high-speed grinding and superfine grinding.Buddha's warrior attendant Stone sand wheel is highly suitable for grinding material such as non-ferric metal alkyl materials, carbide, glass, pottery harder, frangible, that abrasive dust is shorter Porcelain, quartz ware and semiconductor and chip material.The grinding efficiency of diamond super-hard abrasive tool (grinding wheel), machining accuracy and wear-resisting Property etc. performances be High-speed & Precision Grinding processing in critical issue.
The bonding agent that fixed grain is used in super-hard abrasive tool is the key factor for influencing super-hard abrasive tool performance.Traditional is super Hard grind tool (grinding wheel) mostly uses the techniques manufactures such as resin, ceramics, metallic bond sintering and plating, the problem is that monocrystalline Grain is only embedded in by machinery embedding in bonding agent and electroplated layer, weaker with bonding agent and electroplated layer intermolecular forces.It is specific next It says, although resinoid bond is easier processing and modifies, but poor heat resistance, and bond strength is low, and abrasive material falls off seriously, serious shadow Ring efficiency；Vitrified bond finishing is relatively easy, and temperature in use is high, however brittleness is big, and toughness and fatigability are poor, Yi Fa Raw embrittlement, it is difficult to be used for High-speed machining.Although it is strong that metallic bond is sintered heat resistance, usually between bonding agent and abrasive grain not Enhanced primary treatment can be generated, thus abrasive grain is only embedded in by machinery embedding in bonding agent, hold is limited；In metal plating Abrasive grain is also only mechanically embedded.Therefore it is easy to lead to the entirety of grinding wheel because abrasive material falls off in particle and to remove in flakes with coating Failure, such situation are especially apparent in more unmanageable material high efficient grinding；In addition, plating thickness, abrasive material proud exposure Low, chip space is small, and when grinding is easy to fail because the adherency of chip blocks.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of grinding skive and preparation method thereof, the grinding wheels It is a kind of skive that can be born during high-speed grinding compared with big load, while there is outstanding impact resistance and good Shape retention, specific technical solution is as follows：
A kind of grinding skive of the present invention comprising steel core, abrasive material circle, steel core and abrasive material circle pass through resin knot Mixture resin glue caking agent combines, wherein abrasive material circle is prepared from the following components by mass percentage：Diamond abrasive：30 ~60%, metallic bond：35~70%, additional adhesive：3~10%, diamond abrasive, metallic bond and auxiliary bond The sum of agent mass percent is 100%；The mass percent that the metallic bond contains ingredient is：Cu powder：65~90%, TiH2Powder：5~35%, Cu powder and TiH2The sum of powder mass percent is 100%；Abrasive material circle is formed by percent by volume：Buddha's warrior attendant Stone mill material 10~50%, metallic bond 10~47%, hole 20~45%, diamond abrasive, metallic bond and hole The sum of percent by volume is 100%.
The Cu powder and TiH2The particle size range of powder is 30~300 μm.
The additional adhesive is acrylic emulsion.
A kind of preparation method of grinding skive of the present invention, includes the following steps：
Step 1, batch mixing：
By a kind of composition proportion of grinding skive, by diamond abrasive, Cu powder and TiH2Powder is uniformly mixed, system Obtain mixture A；
Step 2, batch mixing：
By a kind of composition proportion of grinding skive, additional adhesive is uniformly mixed with mixture A, is made mixed Close material B：
Step 3, it dries：
Mixture B is heated to 40~150 DEG C, is dried in mass ratio, the mixture B after drying：Mixing before drying Expect B=80~95%；
Step 4, it is sieved：
By the mixture B sievings after drying, it is 20~300 mesh to cross grit number；
Step 5, it is molded：
By the mixture B after sieving, uniformly putting into mold, cold moudling, pressure is 60~170MPa, pressurize 20~ Abrasive material circle green compact are made in 70min；
Step 6, it is sintered：
(1) it by abrasive material circle green compact, is sintered under inert gas atmosphere, with the heating rate of 3~10 DEG C/min, from room temperature liter Temperature is to 1050~1150 DEG C of sintering temperature, 10~150min of sintering time；
(2) sintering postcooling is extremely come out of the stove for≤40 DEG C, and abrasive material circle green body is made；
Step 7, it bonds：
With resin glue caking agent, abrasive material circle green body and steel core are bonded, go Burr removal, finishing molding that grinding gold is made Hard rock grinding wheel.
Above-mentioned a kind of grinding skive and preparation method thereof, wherein：
In the step 1, incorporation time is 2~6h.
It in the step 2, stirs by mixing, mixing time is 1~3h.
In the step 3, drying soaking time is 1~4h.
In the step 4, it is sieved 3~8 times.
In the step 5, cold moudling uses hydraulic press.
In the step 6, inert gas is argon gas.
A kind of grinding skive and preparation method thereof of the present invention, compared with prior art, has the beneficial effect that：
(1) grinding of the invention with skive there is fabulous thermal conductivity can quickly reduce grinding workpiece surface Temperature improve grinding speed to reduce power attenuation；Additional adhesive in formula is conducive to the formation of product hole, The space for accommodating the abrasive grain to fall off can effectively be increased, the utilization of abrasive material is more abundant, while metallic bond has extremely strong handle Holding force；Grinding wheel has the characteristics that grinding efficiency is high, grinding temperature is low, power attenuation is low, good processing accuracy, service life are long.
(2) preparation method provided by the invention, since sintering time is short, the characteristic of abrasive material is not damaged, sintering temperature Degree, metallic bond, porosity and the control of time make grinding wheel have good thermal conductivity and larger appearance during the work time It considers space to be worth doing, is not easy to block during high-speed grinding, grinding is sharp, and grinding accuracy is high, and has self-sharpening.
Specific implementation mode
With reference to specific implementation case, the invention will be further described, but the invention is not limited in these to implement Example.
In following embodiment, inert gas is argon gas.
Embodiment 1
A kind of grinding skive comprising steel core, abrasive material circle, steel core and abrasive material circle pass through resin glue caking agent knot It closes, wherein abrasive material circle is prepared from the following components by mass percentage：Diamond abrasive：48%, metallic bond：47%, Additional adhesive：5%, the sum of diamond abrasive, metallic bond and additional adhesive mass percent are 100%；Described The mass percent that metallic bond contains ingredient is：Cu powder：65%, TiH2Powder：35%, Cu powder and TiH2Powder mass percent The sum of be 100%；Abrasive material circle is formed by percent by volume：Diamond abrasive 32%, metallic bond 30%, hole 38%, The sum of percent by volume of diamond abrasive, metallic bond and hole is 100%；The diamond abrasive, Cu powder and TiH2The grain size of powder is 30 μm；The additional adhesive is acrylic emulsion.
The preparation method of above-mentioned grinding skive, includes the following steps：
Step 1, batch mixing：
By a kind of composition proportion of grinding skive, by diamond abrasive, Cu powder and TiH2Powder is uniformly mixed, and is mixed The conjunction time is 3h, and mixture A is made；
Step 2, batch mixing：
By a kind of composition proportion of grinding skive, additional adhesive is mixed with mixture A and is mixed by stirring Close uniform, mixing time 1h, obtained mixture B；
Step 3, it dries：
Mixture B is heated to 100 DEG C, drying soaking time is 1h, in mass ratio, the mixture B after drying：Before drying Mixture B=88%；
Step 4, it is sieved：
By the mixture B sievings after drying, it is 30 mesh to cross grit number, is sieved 3 times；
Step 5, it is molded：
It uniformly puts into mold, the mixture B after sieving using hydraulic press cold moudling, pressure 60MPa, pressurize Abrasive material circle green compact are made in 40min；
Step 6, it is sintered：
(1) it by abrasive material circle green compact, is sintered under inert gas atmosphere, with the heating rate of 10 DEG C/min, from room temperature To 1100 DEG C of sintering temperature, sintering time 30min；
(2) sintering postcooling is extremely come out of the stove for≤40 DEG C, and abrasive material circle green body is made；
Step 7, it bonds：
With resin glue caking agent, abrasive material circle green body and steel core are bonded, go Burr removal, finishing molding that grinding gold is made Hard rock grinding wheel.
Embodiment 2
A kind of grinding skive comprising steel core, abrasive material circle, steel core and abrasive material circle pass through resin glue caking agent knot It closes, wherein abrasive material circle is prepared from the following components by mass percentage：Diamond abrasive：48%, metallic bond：47%, Additional adhesive：5%, the sum of diamond abrasive, metallic bond and additional adhesive mass percent are 100%；Described The mass percent that metallic bond contains ingredient is：Cu powder：70%, TiH2Powder：30%, Cu powder and TiH2Powder mass percent The sum of be 100%；Abrasive material circle is formed by percent by volume：Diamond abrasive 35%, metallic bond 30%, hole 35%, The sum of percent by volume of diamond abrasive, metallic bond and hole is 100%；The diamond abrasive, Cu powder and TiH2The grain size of powder is 60 μm；The additional adhesive is acrylic emulsion.
The preparation method of above-mentioned grinding skive, includes the following steps：
Step 1, batch mixing：
By a kind of composition proportion of grinding skive, by diamond abrasive, Cu powder and TiH2Powder is uniformly mixed, and is mixed The conjunction time is 3h, and mixture A is made；
Step 2, batch mixing：
By a kind of composition proportion of grinding skive, additional adhesive is mixed with mixture A and is mixed by stirring Close uniform, mixing time 1h, obtained mixture B；
Step 3, it dries：
Mixture B is heated to 100 DEG C, drying soaking time is 1h, in mass ratio, the mixture B after drying：Before drying Mixture B=88%；
Step 4, it is sieved：
By the mixture B sievings after drying, it is 30 mesh to cross grit number, is sieved 3 times；
Step 5, it is molded：
It uniformly puts into mold, the mixture B after sieving using hydraulic press cold moudling, pressure 60MPa, pressurize Abrasive material circle green compact are made in 40min；
Step 6, it is sintered：
(1) it by abrasive material circle green compact, is sintered under inert gas atmosphere, with the heating rate of 10 DEG C/min, from room temperature To 1100 DEG C of sintering temperature, sintering time 30min；
(2) sintering postcooling is extremely come out of the stove for≤40 DEG C, and abrasive material circle green body is made；
Step 7, it bonds：
With resin glue caking agent, abrasive material circle green body and steel core are bonded, go Burr removal, finishing molding that grinding gold is made Hard rock grinding wheel.
Embodiment 3
A kind of grinding skive comprising steel core, abrasive material circle, steel core and abrasive material circle pass through resin glue caking agent knot It closes, wherein abrasive material circle is prepared from the following components by mass percentage：Diamond abrasive：50%, metallic bond：45%, Additional adhesive：5%, the sum of diamond abrasive, metallic bond and additional adhesive mass percent are 100%；Described The mass percent that metallic bond contains ingredient is：Cu powder：75%, TiH2Powder：25%, Cu powder and TiH2Powder mass percent The sum of be 100%；Abrasive material circle is formed by percent by volume：Diamond abrasive 40%, metallic bond 30%, hole 30%, The sum of percent by volume of diamond abrasive, metallic bond and hole is 100%；The diamond abrasive, Cu powder and TiH2The grain size of powder is 100 μm；The additional adhesive is acrylic emulsion.
The preparation method of above-mentioned grinding skive, includes the following steps：
Step 1, batch mixing：
By a kind of composition proportion of grinding skive, by diamond abrasive, Cu powder and TiH2Powder is uniformly mixed, and is mixed The conjunction time is 3h, and mixture A is made；
Step 2, batch mixing：
By a kind of composition proportion of grinding skive, additional adhesive is mixed with mixture A and is mixed by stirring Close uniform, mixing time 1h, obtained mixture B；
Step 3, it dries：
Mixture B is heated to 100 DEG C, drying soaking time is 1h, in mass ratio, the mixture B after drying：Before drying Mixture B=88%；
Step 4, it is sieved：
By the mixture B sievings after drying, it is 30 mesh to cross grit number, is sieved 3 times；
Step 5, it is molded：
It uniformly puts into mold, the mixture B after sieving using hydraulic press cold moudling, pressure 60MPa, pressurize Abrasive material circle green compact are made in 40min；
Step 6, it is sintered：
(1) it by abrasive material circle green compact, is sintered under inert gas atmosphere, with the heating rate of 10 DEG C/min, from room temperature To 1100 DEG C of sintering temperature, sintering time 30min；
(2) sintering postcooling is extremely come out of the stove for≤40 DEG C, and abrasive material circle green body is made；
Step 7, it bonds：
With resin glue caking agent, abrasive material circle green body and steel core are bonded, go Burr removal, finishing molding that grinding gold is made Hard rock grinding wheel.
Embodiment 4
A kind of grinding skive comprising steel core, abrasive material circle, steel core and abrasive material circle pass through resin glue caking agent knot It closes, wherein abrasive material circle is prepared from the following components by mass percentage：Diamond abrasive：55%, metallic bond：40%, Additional adhesive：5%, the sum of diamond abrasive, metallic bond and additional adhesive mass percent are 100%；Described The mass percent that metallic bond contains ingredient is：Cu powder：80%, TiH2Powder：20%, Cu powder and TiH2Powder mass percent The sum of be 100%；Abrasive material circle is formed by percent by volume：Diamond abrasive 44%, metallic bond 27%, hole 28%, The sum of percent by volume of diamond abrasive, metallic bond and hole is 100%；The diamond abrasive, Cu powder and TiH2The grain size of powder is 150 μm；The additional adhesive is acrylic emulsion.
The preparation method of above-mentioned grinding skive, includes the following steps：
Step 1, batch mixing：
By a kind of composition proportion of grinding skive, by diamond abrasive, Cu powder and TiH2Powder is uniformly mixed, and is mixed The conjunction time is 3h, and mixture A is made；
Step 2, batch mixing：
By a kind of composition proportion of grinding skive, additional adhesive is mixed with mixture A and is mixed by stirring Close uniform, mixing time 1h, obtained mixture B；
Step 3, it dries：
Mixture B is heated to 100 DEG C, drying soaking time is 1h, in mass ratio, the mixture B after drying：Before drying Mixture B=88%；
Step 4, it is sieved：
By the mixture B sievings after drying, it is 30 mesh to cross grit number, is sieved 3 times；
Step 5, it is molded：
It uniformly puts into mold, the mixture B after sieving using hydraulic press cold moudling, pressure 60MPa, pressurize Abrasive material circle green compact are made in 40min；
Step 6, it is sintered：
(1) it by abrasive material circle green compact, is sintered under inert gas atmosphere, with the heating rate of 10 DEG C/min, from room temperature To 1100 DEG C of sintering temperature, sintering time 30min；
(2) sintering postcooling is extremely come out of the stove for≤40 DEG C, and abrasive material circle green body is made；
Step 7, it bonds：
With resin glue caking agent, abrasive material circle green body and steel core are bonded, go Burr removal, finishing molding that grinding gold is made Hard rock grinding wheel.
Embodiment 5
A kind of grinding skive comprising steel core, abrasive material circle, steel core and abrasive material circle pass through resin glue caking agent knot It closes, wherein abrasive material circle is prepared from the following components by mass percentage：Diamond abrasive：60%, metallic bond：35%, Additional adhesive：5%, the sum of diamond abrasive, metallic bond and additional adhesive mass percent are 100%；Described The mass percent that metallic bond contains ingredient is：Cu powder：80%, TiH2Powder：20%, Cu powder and TiH2Powder mass percent The sum of be 100%；Abrasive material circle is formed by percent by volume：Diamond abrasive 47%, metallic bond 25%, hole 28%, The sum of percent by volume of diamond abrasive, metallic bond and hole is 100%；The diamond abrasive, Cu powder and TiH2The grain size of powder is 200 μm；The additional adhesive is acrylic emulsion.
The preparation method of above-mentioned grinding skive, includes the following steps：
Step 1, batch mixing：
By a kind of composition proportion of grinding skive, by diamond abrasive, Cu powder and TiH2Powder is uniformly mixed, and is mixed The conjunction time is 3h, and mixture A is made；
Step 2, batch mixing：
By a kind of composition proportion of grinding skive, additional adhesive is mixed with mixture A and is mixed by stirring Close uniform, mixing time 1h, obtained mixture B；
Step 3, it dries：
Mixture B is heated to 100 DEG C, drying soaking time is 1h, in mass ratio, the mixture B after drying：Before drying Mixture B=88%；
Step 4, it is sieved：
By the mixture B sievings after drying, it is 30 mesh to cross grit number, is sieved 3 times；
Step 5, it is molded：
It uniformly puts into mold, the mixture B after sieving using hydraulic press cold moudling, pressure 60MPa, pressurize Abrasive material circle green compact are made in 40min；
Step 6, it is sintered：
(1) it by abrasive material circle green compact, is sintered under inert gas atmosphere, with the heating rate of 10 DEG C/min, from room temperature To 1100 DEG C of sintering temperature, sintering time 30min；
(2) sintering postcooling is extremely come out of the stove for≤40 DEG C, and abrasive material circle green body is made；
Step 7, it bonds：
With resin glue caking agent, abrasive material circle green body and steel core are bonded, go Burr removal, finishing molding that grinding gold is made Hard rock grinding wheel.

Claims (7)

1. a kind of grinding skive, which is characterized in that grinding wheel includes steel core, abrasive material circle, and steel core and abrasive material circle pass through tree Fat bonding agent resin glue caking agent combines, wherein abrasive material circle is prepared from the following components by mass percentage：Buddha's warrior attendant stone mill Material：30~60%, metallic bond：35~70%, additional adhesive：3~10%, diamond abrasive, metallic bond with it is auxiliary It is 100% to help the sum of binder mass percent；The mass percent that the metallic bond contains ingredient is：Cu powder：65 ~90%, TiH2Powder：5~35%, Cu powder and TiH2The sum of powder mass percent is 100%；Abrasive material circle composition presses percent by volume For：Diamond abrasive 10~50%, metallic bond 10~47%, hole 20~45%, diamond abrasive, metallic bond and The sum of percent by volume of hole is 100%.
2. a kind of grinding skive according to claim 1, which is characterized in that the Cu powder described in grinding wheel and TiH2 The particle size range of powder is 30~300 μm.
3. a kind of grinding skive according to claim 1, which is characterized in that the additional adhesive is third Olefin(e) acid lotion.
4. a kind of preparation method of grinding skive described in claim 1, which is characterized in that include the following steps：
Step 1, batch mixing：
By a kind of composition proportion of grinding skive, by diamond abrasive, Cu powder and TiH2Powder is uniformly mixed, and is made mixed Close material A；
Step 2, batch mixing：
By a kind of composition proportion of grinding skive, additional adhesive is uniformly mixed with mixture A, mixture is made B；
Step 3, it dries：
Mixture B is heated to 40~150 DEG C, is dried in mass ratio, the mixture B after drying：Mixture B=before drying 80~95%；
Step 4, it is sieved：
By the mixture B sievings after drying, it is 20~300 mesh to cross grit number；
Step 5, it is molded：
By the mixture B after sieving, uniformly putting into mold, cold moudling, pressure is 60~170MPa, 20~70min of pressurize, Abrasive material circle green compact are made；
Step 6, it is sintered：
(1) by abrasive material circle green compact, be sintered under inert gas atmosphere, with the heating rate of 3~10 DEG C/min, from room temperature to 1050~1150 DEG C of sintering temperature, 10~150min of sintering time；
(2) sintering postcooling is extremely come out of the stove for≤40 DEG C, and abrasive material circle green body is made；
Step 7, it bonds：
With resin glue caking agent, abrasive material circle green body and steel core are bonded, remove Burr removal, finishing molding, obtained grinding diamond Grinding wheel.
5. a kind of preparation method of grinding skive described in claim 4, in the step 1, incorporation time is 2~ 6h。
6. a kind of preparation method of grinding skive described in claim 4, in the step 2, mix by stirring Uniformly, mixing time is 1~3h.
7. a kind of preparation method of grinding skive described in claim 4, in the step 3, soaking time is dried For 1~4h.
CN201810749048.0A 2018-07-10 2018-07-10 A kind of grinding skive and preparation method thereof Withdrawn CN108747853A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1228727A (en) * 1996-08-28 1999-09-15 诺顿公司 Removable bond for abrasive tool
CN1332663A (en) * 1998-03-11 2002-01-23 诺顿公司 Superabrasive wire saw and method for making the saw
EP1144160B1 (en) * 1999-01-07 2003-07-30 Norton Company Superabrasive wheel with active bond
CN105473284A (en) * 2013-06-15 2016-04-06 圣戈班磨料磨具有限公司 Abrasive tools and methods of forming the same
CN106625296A (en) * 2016-11-29 2017-05-10 磐维科技（青岛）有限公司 Diamond grinding wheel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1228727A (en) * 1996-08-28 1999-09-15 诺顿公司 Removable bond for abrasive tool
CN1332663A (en) * 1998-03-11 2002-01-23 诺顿公司 Superabrasive wire saw and method for making the saw
EP1144160B1 (en) * 1999-01-07 2003-07-30 Norton Company Superabrasive wheel with active bond
CN105473284A (en) * 2013-06-15 2016-04-06 圣戈班磨料磨具有限公司 Abrasive tools and methods of forming the same
CN106625296A (en) * 2016-11-29 2017-05-10 磐维科技（青岛）有限公司 Diamond grinding wheel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
瞿光辉: "《超硬材料烧结体制造》", 30 June 1993 *

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Application publication date: 20181106