CN103770030A - Resin binder superhard material grinding wheel for roller high-speed grinding and manufacture method thereof - Google Patents

Resin binder superhard material grinding wheel for roller high-speed grinding and manufacture method thereof Download PDF

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Publication number
CN103770030A
CN103770030A CN201310747366.0A CN201310747366A CN103770030A CN 103770030 A CN103770030 A CN 103770030A CN 201310747366 A CN201310747366 A CN 201310747366A CN 103770030 A CN103770030 A CN 103770030A
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China
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grinding wheel
grinding
speed
resinoid bond
emery wheel
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CN201310747366.0A
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Chinese (zh)
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丁玉龙
丁春生
熊华军
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郑州磨料磨具磨削研究所有限公司
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Priority to CN201310747366.0A priority Critical patent/CN103770030A/en
Publication of CN103770030A publication Critical patent/CN103770030A/en

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Abstract

The invention aims at solving the problem that high-speed grinding cannot be realized through a hard alloy roller high-speed grinding wheel with low combination strength between a working layer and a base body and provides a resin binder superhard material grinding wheel for roller high-speed grinding and a manufacture method thereof. The grinding wheel comprises a base body and a grinding wheel working layer. A boss is arranged on the grinding wheel working layer. A groove corresponding to the boss is arranged on the base body. According to the grinding wheel, the boss is arranged on the grinding wheel working layer and is matched with the groove of the base body. The structure is favorable to compact combination of the grinding wheel working layer and the base body, increases the fracture speed restriction to the grinding wheel, realizes high-speed operation of the resin binder superhard material grinding wheel, breaks through restriction of low operation speed to the grinding wheel, and provides a better grinding tool for roller high-speed efficient grinding.

Description

Resinoid bond extra hard material grinding wheel and preparation method thereof for roll high-speed grinding

Technical field

The invention belongs to grinding materials and grinding tool grinding technique field, be specifically related to a kind of roll high-speed grinding resinoid bond extra hard material grinding wheel and preparation method thereof.

Background technology

Roll is to make stocking metal produce the instrument of plastic deformation, is mainly used in processing metal sheet material, band, section bar etc., is the important consumable part that determines milling train efficiency and mill bar quality.Common roll material has cast iron, cast steel and carbide alloy etc.In the process of the production of roll, the grinding of roll cylindrical is vital link.For obtaining the roll dressing effect of high accuracy, high surface finish, except relying on high-precision roll grinder, depend primarily on emery wheel that processing roll matches and suitable method for grinding.

Roll dressing industry adopts conventional abrasive material emery wheel and lower grinding wheel speed (≤45m/s) processing roll cylindrical conventionally.Conventional abrasive material emery wheel has vitrified abrasive and resin wheel etc., and abrasive material used is often corundum class or carborundum class.Such emery wheel abrasive material used is many in manufacture view energy resource consumption, easily causes environmental pollution; Aspect result of use, the working (machining) efficiency of emery wheel is on the low side, and abrasion are serious, and workpiece surface quality is poor; And conventional abrasive material emery wheel, in roll dressing process, consumes soon, weares and teares and be many, needs often repair to keep its form accuracy and grinding sharpness to emery wheel, causes working (machining) efficiency on the low side.In addition, the hardness of roll material therefor is also in improve progressively, and particularly in recent years, breaker roll carries out carbide alloy or ceramic surface spraying, even the material of roll directly adopts carbide alloy, all the grinding of current roll industry is had higher requirement.And a series of superiority such as superhard material (diamond and cubic boron nitride) is high with its hardness, Heat stability is good, abrasion are low, working (machining) efficiency is high are widely used in the processing of the materials such as carbide alloy, metal, pottery, be relatively applicable to the cylindricalo grinding of roll.

High-speed and high-efficiency grinding is the development trend in grinding field.After grinding wheel speed improves, under the certain condition of unit width material removal rate, in unit interval, the abrasive particle number of operation increases greatly, if the amount of feeding is identical with ordinary rotational speed grinding, the thickness of cutting attenuation of every abrasive particle, load alleviate, and therefore high-speed grinding has following characteristics: (1) production efficiency is high.Because the abrasive particle number acting in the unit interval increases, material material removal rate is multiplied; (2) emery wheel long service life.Because the load of every abrasive particle reduces, the corresponding prolongation of abrasive particle grinding time, has improved emery wheel service life; (3) grinding surface roughness value is low.When high-speed grinding, the thickness of cutting of single abrasive particle diminishes, and grinding cut is shallow, and surface plastic deformation reduces, and surface roughness value reduces; (4) there is huge economic benefit and social benefit, and there is wide green characteristic.

Carry out the problem of roll dressing existence for conventional abrasive material emery wheel, many scientific research personnel improve grinding tool and processing method.Chinese patent 03810964.6 has been invented a kind of method of roll grinding and resin bond wheel grinding tool of justifying grinding process, grinding wheel speed 4000-9500sfpm; Another Chinese patent 200480038740.9 has been invented the method for grinding of a kind of improved CBN emery wheel and simplification, with the various iron roll materials of grinding with for the roll of hot and cold strip milling train, grinding wheel speed 3600-12000sfpm.These are compared with the conventional abrasive material emery wheel adopting in original method of roll grinding, and the speed of roll dressing is faster, efficiency is higher.These invention in resinoid bond extra hard material grinding wheel adopt preparation technology be by emery wheel working lining direct pressing in aluminum substrate, steel matrix or other materials, the bond strength of emery wheel working lining and metal or other materials is on the low side, in the time that linear velocity exceedes 12000sfpm, there is potential safety hazard, and be not suitable for the grinding application that linear velocity is greater than > 12000 sfpm.

Summary of the invention

The technical problem to be solved in the present invention is that between hard alloy roll high-speed grinding wheel working lining and matrix, the lower emery wheel causing of bond strength can not be realized high-speed grinding, for addressing the above problem, provide a kind of roll high-speed grinding resinoid bond extra hard material grinding wheel and preparation method thereof.

The object of the invention is to realize in the following manner:

Roll high-speed grinding resinoid bond extra hard material grinding wheel, comprises matrix and emery wheel working lining, on described emery wheel working lining, is provided with boss, is provided with the groove corresponding with boss on matrix.

Described matrix is steel matrix, and emery wheel working lining combines by resinoid bond and steel matrix.

The preparation method of resinoid bond extra hard material grinding wheel for roll high-speed grinding, it comprises the steps:

(1) according to following weight portion: super hard abrasive 20-70 part, bonding agent 10-30 part, inserts 15-66 part, after weighing, put into three-dimensional material mixer and fully mix, obtain molding mass;

(2) molding mass is evenly dropped in mould, make superhard material forming blocks;

(3) superhard material forming blocks is put into sclerosis baking oven and carried out post-curing;

(4) the superhard material forming blocks after sclerosis is bonded in steel matrix by adhesive, makes emery wheel;

(5) emery wheel is put into baking oven, adhesive is solidified.

Described step (2) is, molding mass put into equably in the die cavity of mould, pressure ring aimed to mould cavity and slowly buckle in die cavity space, makes pressure ring and molding mass close contact, then the mould assembling put on hot press to heat-insulation pressure keeping a period of time.

The temperature of described hot press is 160 ℃-240 ℃, and pressure is 3MPa-12MPa, and consuming time is 40min-90min.

Temperature while insulation in described baking oven is 160 ℃-240 ℃, and temperature retention time is 1h-5h.

Described super hard abrasive is diamond or cubic boron nitride or both combinations, and granularity is 8 microns-200 microns, and concentration is 75%-125%.

Described bonding agent is phenolic resins, polyimide resin or epoxy resin.

Described inserts is at least two kinds in carborundum, corundum, metal powder, pigment and oxide, and granularity is all below 280 microns.

With respect to prior art, on emery wheel working lining of the present invention, boss is set, mate with the Baltimore groove of matrix, this structural design is conducive to combining closely of emery wheel working lining and matrix, increase the rupture velocity restriction of emery wheel, can realize the operation of resinoid bond extra hard material grinding wheel high speed, break through the restriction of the lower operating speed of such emery wheel in the past, for the grinding of roll high-speed and high-efficiency provides better grinding tool.

Product of the present invention can be realized the high-speed and high-efficiency grinding to hard alloy roll, has advantages of that the energy, production efficiency of saving is high, and can reduce investment and production cost; In addition, the special construction of this emery wheel can increase the bond strength of emery wheel working lining and steel matrix, has improved the rupture velocity (also can claim revolving strength) of emery wheel, and emery wheel can run up, realize the feature of roll high-speed and high-efficiency grinding, enhance productivity and the precision of processing work.

Accompanying drawing explanation

Fig. 1 is the knot schematic diagram of emery wheel.

The specific embodiment

As shown in Figure 1, roll high-speed grinding resinoid bond extra hard material grinding wheel, comprises matrix 1 and emery wheel working lining 2, is provided with boss 3 on emery wheel working lining, is provided with the groove corresponding with boss on matrix.Matrix is steel matrix, and emery wheel working lining combines by resinoid bond and steel matrix.Super hard abrasive is diamond or cubic boron nitride or both combinations, and granularity is 8 microns-200 microns, and concentration is 75%-125%.Conversion relation between order and granularity is: order=12500/ granularity.Take 140/170 object diamond as example, be feeling the pulse with the finger-tip number at 140 to 170 diamond.

The quality of super hard abrasive is take " carat " as unit, and every 0.2 gram is 1 carat.Be 100% concentration containing 4.4 carats, diamond, containing 3.3 carats, diamond, concentration is 75%, and the rest may be inferred by analogy.

Embodiment 1:

Emery wheel specification is φ 350mm × 30mm(emery wheel gross thickness) × 127mm(endoporus) × 6mm(working lining ring width) × 10mm(working lining thickness);

Super hard abrasive: diamond.

Its raw material components and weight percent content are: phenol-formaldehyde resin powder 20%, the 300 object copper powder 33% of 140/170 object diamond 28%, 400 order modification, carborundum powder 14%, 300 object chromium oxide 3%, the 320 object calcium oxide 2% of W40.Phenol-formaldehyde resin powder raw material components and the percentage by weight of described modification are: phenolic resins 88%, epoxy resin 12%.

Concrete preparation method is as follows:

1. after needed above-mentioned formula various material powders being weighed according to the share of formula, put in three-dimensional material mixer, add wetting agent to mix, the time is 30 minutes;

2. working lining step 1 being obtained is according to the reserved position of mould, and it is compressing on 160 ℃, the pressure hot press that is 3MPa packing in punching block in temperature, and the time is 40min, obtains the blank of resin anchoring agent diamond grinding wheel;

3. base substrate step 2 being obtained, is placed in the baking oven that is warming up to 20 ℃, is warming up to 160 ℃ by the heating rate of 1 ℃/min, is incubated and cools to room temperature with the furnace after 2 hours, obtains required diamond forming piece;

4. resin skin and blasting treatment are gone in diamond forming piece surface step 3 being obtained;

5. diamond forming piece after treatment step 4 is bonded in steel matrix with the good epoxide-resin glue of compounding and metal-to-metal adhesive;

6. the emery wheel 5 steps being made after 2 hours, cools to room temperature through 50 ℃ of insulations with the furnace, obtains required resin anchoring agent diamond grinding wheel.

Embodiment 2:

Emery wheel specification is φ 400mm × 35mm(emery wheel gross thickness) × 127mm(endoporus) × 5mm(working lining ring width) × 12mm(working lining thickness);

Super hard abrasive: the cubic boron nitride of nickel plating.

Its raw material components and weight percent content are: the ultra-fine polyimide resin powder 18% of 325/400 object nickel plating cubic boron nitride 55%, 400 object, carborundum powder 20%, 400 object iron oxide red 2%, the 400 object zinc oxide 5% of W10.The nickel plating ratio of nickel plating cubic boron nitride is 50%.

Concrete preparation method is as follows:

1. after needed above-mentioned formula various bonding agent powder being weighed according to the share of formula, put in three-dimensional material mixer, add wetting agent DMF to mix, the time is 60 minutes;

2. working lining molding mass step 1 being obtained is according to the reserved position of mould, and it is compressing on 210 ℃, the pressure hot press that is 5MPa packing in punching block in temperature, and the time is 40min, obtains the blank of resinoid bond extra hard material grinding wheel;

3. base substrate step 2 being obtained, is placed in the baking oven that is warming up to 20 ℃, is warming up to 210 ℃ by the heating rate of 2 ℃/min, is incubated and cools to room temperature with the furnace after 3 hours, obtains required superhard material forming blocks;

4. resin skin and blasting treatment are gone in superhard material forming blocks surface step 3 being obtained;

5. superhard material forming blocks after treatment step 4 is connected in steel matrix with the good epoxide resin AB of compounding is gluing;

6. emery wheel step 5 being made after 3 hours, cools to room temperature through 70 ℃ of insulations with the furnace, obtains required resin cement cubic boron nitride grinding wheel.

Embodiment 3:

Emery wheel specification is φ 450mm × 40mm(emery wheel gross thickness) × 127mm(endoporus) × 10mm(working lining ring width) × 30mm(working lining thickness);

Super hard abrasive: the diamond of nickel plating.

Its raw material components and weight percent content are: 120/140 object plating nickel gold hard rock 65%, 400 object phenol-formaldehyde resin powder 15%, carborundum powder 11%, 300 object chromium oxide 4%, the 320 object graphite powder 5% of W40.Concrete preparation method is as follows:

1. after needed above-mentioned formula various material powders being weighed according to the share of formula, put in three-dimensional material mixer, add wetting agent to mix, the time is 50 minutes;

2. working lining step 1 being obtained is according to the reserved position of mould, and it is compressing on 175 ℃, the pressure hot press that is 5MPa packing in punching block in temperature, and the time is 45min, obtains the blank of resin anchoring agent diamond grinding wheel;

3. base substrate step 2 being obtained, is placed in the baking oven that is warming up to 20 ℃, is warming up to 170 ℃ by the heating rate of 1 ℃/min, is incubated and cools to room temperature with the furnace after 4 hours, obtains required diamond forming piece;

4. resin skin and blasting treatment are gone in diamond forming piece surface step 3 being obtained;

5. diamond forming piece after treatment step 4 is bonded in steel matrix with the good epoxide-resin glue of compounding and metal-to-metal adhesive;

6. the emery wheel 5 steps being made after 2 hours, cools to room temperature through 50 ℃ of insulations with the furnace, obtains required resin anchoring agent diamond grinding wheel.

Embodiment 4:

Emery wheel specification is φ 750mm × 55mm(emery wheel gross thickness) × 203mm(endoporus) × 10mm(working lining ring width) × 40mm(working lining thickness);

Super hard abrasive: the diamond of cubic boron nitride and nickel plating.

Its raw material components and weight percent content are: 200/230 object cubic boron nitride 24%, 200/230 object plating nickel gold hard rock 20%, 400 object phenol-formaldehyde resin powder 15%, 300 object carbonyl nickel powders 21%, carborundum powder 10%, 300 object chromium oxide 4%, the 400 object graphite powder 6% of W28.Concrete preparation method is as follows:

1. after needed above-mentioned formula various material powders being weighed according to the share of formula, put in three-dimensional material mixer, add wetting agent to mix, the time is 60 minutes;

2. working lining step 1 being obtained is according to the reserved position of mould, and it is compressing on 185 ℃, the pressure hot press that is 12MPa packing in punching block in temperature, and the time is 50min, obtains the blank of resin anchoring agent diamond grinding wheel;

3. base substrate step 2 being obtained, is placed in the baking oven that is warming up to 20 ℃, is warming up to 185 ℃ by the heating rate of 1 ℃/min, is incubated and cools to room temperature with the furnace after 4.5 hours, obtains required super hard abrasive forming blocks;

4. resin skin and blasting treatment are gone in super hard abrasive forming blocks surface step 3 being obtained;

5. super hard abrasive forming blocks after treatment step 4 is bonded in steel matrix with the good epoxide-resin glue of compounding and metal-to-metal adhesive;

6. the emery wheel 5 steps being made after 2 hours, cools to room temperature through 50 ℃ of insulations with the furnace, obtains required resinoid bond extra hard material grinding wheel.

Embodiment 5:

Emery wheel specification is φ 500mm × 45mm(emery wheel gross thickness) × 203mm(endoporus) × 11mm(working lining ring width) × 35mm(working lining thickness);

Super hard abrasive: diamond.

Its raw material components and weight percent content are: 270/325 object diamond 20%, 400 object phenol-formaldehyde resin powder 30%, 320 object iron powder 28%, carborundum powder 16%, 300 object di-iron trioxide 4%, the 400 object cerium oxide powder 2% of W20.Concrete preparation method is as follows:

1. after needed above-mentioned formula various material powders being weighed according to the share of formula, put in three-dimensional material mixer, add wetting agent to mix, the time is 60 minutes;

2. working lining step 1 being obtained is according to the reserved position of mould, and it is compressing on 200 ℃, the pressure hot press that is 10MPa packing in punching block in temperature, and the time is 50min, obtains the blank of resin anchoring agent diamond grinding wheel;

3. base substrate step 2 being obtained, is placed in the baking oven that is warming up to 20 ℃, is warming up to 200 ℃ by the heating rate of 1 ℃/min, is incubated and cools to room temperature with the furnace after 3 hours, obtains required super hard abrasive forming blocks;

4. resin skin and blasting treatment are gone in super hard abrasive forming blocks surface step 3 being obtained;

5. super hard abrasive forming blocks after treatment step 4 is bonded in steel matrix with the good epoxide-resin glue of compounding and metal-to-metal adhesive;

6. the emery wheel 5 steps being made after 2 hours, cools to room temperature through 50 ℃ of insulations with the furnace, obtains required resinoid bond extra hard material grinding wheel.

Embodiment 6:

Emery wheel specification is φ 600mm × 55mm(emery wheel gross thickness) × 305mm(endoporus) × 10mm(working lining ring width) × 40mm(working lining thickness);

Super hard abrasive: the diamond of nickel plating.

Its raw material components and weight percent content are: the ultra-fine toughened polymer imide resin of 100/120 object plating nickel gold hard rock 70%, 400 object powder 10%, 300 object Cu powder 6%, carborundum powder 5%, 300 object chromium oxide 6%, the 320 object calcium oxide powder 3% of W40.Concrete preparation method is as follows:

1. after needed above-mentioned formula various material powders being weighed according to the share of formula, put in three-dimensional material mixer, add wetting agent to mix, the time is 60 minutes;

2. working lining step 1 being obtained is according to the reserved position of mould, and it is compressing on 240 ℃, the pressure hot press that is 12MPa packing in punching block in temperature, and the time is 90min, obtains the blank of resin anchoring agent diamond grinding wheel;

3. base substrate step 2 being obtained, is placed in the baking oven that is warming up to 20 ℃, is warming up to 240 ℃ by the heating rate of 1 ℃/min, is incubated and cools to room temperature with the furnace after 5 hours, obtains required super hard abrasive forming blocks;

4. resin skin and blasting treatment are gone in super hard abrasive forming blocks surface step 3 being obtained;

5. super hard abrasive forming blocks after treatment step 4 is connected in steel matrix with the good epoxide resin AB of compounding is gluing;

6. the emery wheel 5 steps being made after 2 hours, cools to room temperature through 70 ℃ of insulations with the furnace, obtains required resinoid bond extra hard material grinding wheel.

Embodiment 7:

Emery wheel specification is φ 510mm × 56mm(emery wheel gross thickness) × 305mm(endoporus) × 10mm(working lining ring width) × 40mm(working lining thickness);

Super hard abrasive: diamond.

Its raw material components and weight percent content are: 100/120 object diamond 24%, 400 object phenol-formaldehyde resin powder 10%, 300 object Cu powder 30%, 320 object white alundum powders 16%, 300 object di-iron trioxide 12%, 320 object calcium oxide powder 5%, 300 object oxide powder and zincs 3%.Concrete preparation method is as follows:

1. after needed above-mentioned formula various material powders being weighed according to the share of formula, put in three-dimensional material mixer, add wetting agent to mix, the time is 60 minutes;

2. working lining step 1 being obtained is according to the reserved position of mould, and it is compressing on 175 ℃, the pressure hot press that is 10MPa packing in punching block in temperature, and the time is 60min, obtains the blank of resin anchoring agent diamond grinding wheel;

3. base substrate step 2 being obtained, is placed in the baking oven that is warming up to 20 ℃, is warming up to 175 ℃ by the heating rate of 1 ℃/min, is incubated and cools to room temperature with the furnace after 4 hours, obtains required super hard abrasive forming blocks;

4. resin skin and blasting treatment are gone in super hard abrasive forming blocks surface step 3 being obtained;

5. super hard abrasive forming blocks after treatment step 4 is bonded in steel matrix with the good epoxide-resin glue of compounding and metal-to-metal adhesive;

6. the emery wheel 5 steps being made after 2 hours, cools to room temperature through 50 ℃ of insulations with the furnace, obtains required resinoid bond extra hard material grinding wheel.

Claims (9)

1. roll high-speed grinding resinoid bond extra hard material grinding wheel, comprises matrix and emery wheel working lining, it is characterized in that: on described emery wheel working lining, be provided with boss, be provided with the groove corresponding with boss on matrix.
2. roll high-speed grinding resinoid bond extra hard material grinding wheel according to claim 1, is characterized in that: described matrix is steel matrix, and emery wheel working lining combines by resinoid bond and steel matrix.
3. the preparation method of resinoid bond extra hard material grinding wheel for roll high-speed grinding, is characterized in that: it comprises the steps:
According to following weight portion: super hard abrasive 20-70 part, bonding agent 10-30 part, inserts 15-66 part, after weighing, put into three-dimensional material mixer and fully mix, obtain molding mass;
Molding mass is evenly dropped in mould, make superhard material forming blocks;
Superhard material forming blocks is put into sclerosis baking oven and carry out post-curing;
Superhard material forming blocks after sclerosis is bonded in steel matrix by adhesive, makes emery wheel;
Emery wheel is put into baking oven, adhesive is solidified.
4. the preparation method of resinoid bond extra hard material grinding wheel for roll high-speed grinding according to claim 3, it is characterized in that: described step (2) is, molding mass is put into equably in the die cavity of mould, pressure ring is aimed to mould cavity slowly to be buckled in die cavity space, make pressure ring and molding mass close contact, then the mould assembling is put on hot press to heat-insulation pressure keeping a period of time.
5. the preparation method of resinoid bond extra hard material grinding wheel for roll high-speed grinding according to claim 4, is characterized in that: the temperature of described hot press is 160 ℃-240 ℃, and pressure is 3MPa-12MPa, and consuming time is 40min-90min.
6. the preparation method with resinoid bond extra hard material grinding wheel according to any roll high-speed grinding described in claim 2 to 5, is characterized in that: the temperature while insulation in described baking oven is 160 ℃-240 ℃, and temperature retention time is 1h-5h.
7. the preparation method of resinoid bond extra hard material grinding wheel for roll high-speed grinding according to claim 6, it is characterized in that: described super hard abrasive is diamond or cubic boron nitride or both combinations, granularity is 8 microns-200 microns, and concentration is 75%-125%.
8. the preparation method of resinoid bond extra hard material grinding wheel for roll high-speed grinding according to claim 6, is characterized in that: described bonding agent is phenolic resins, polyimide resin or epoxy resin.
9. the preparation method of resinoid bond extra hard material grinding wheel for roll high-speed grinding according to claim 6, it is characterized in that: described inserts is at least two kinds in carborundum, corundum, metal powder, pigment and oxide, granularity is all below 280 microns.
CN201310747366.0A 2013-12-31 2013-12-31 Resin binder superhard material grinding wheel for roller high-speed grinding and manufacture method thereof CN103770030A (en)

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CN104308757A (en) * 2014-10-10 2015-01-28 马鞍山市金鹰超硬材料有限公司 Superhard material metal bond framework type high-speed heavy load grinding wheel
CN104440610A (en) * 2014-11-14 2015-03-25 河南新源超硬材料有限公司 High-precision drum-type resin binder diamond grinding wheel and manufacturing method thereof
CN104440600A (en) * 2014-11-12 2015-03-25 郑州磨料磨具磨削研究所有限公司 Composite matrix material for grinding wheel, preparation method and grinding wheel
CN105171628A (en) * 2015-08-03 2015-12-23 苏州瑞高工程科技有限公司 Resin abrasive disc
CN105856081A (en) * 2016-05-16 2016-08-17 郑州磨料磨具磨削研究所有限公司 Finish-ground super-hard sand wheel for micro drilling and manufacturing method thereof
CN105856085A (en) * 2016-03-30 2016-08-17 东北大学 Method for preparing grinding disc with boron carbide
CN107309814A (en) * 2017-08-09 2017-11-03 安徽昌悌进出口贸易有限公司 A kind of high grinding efficiency emery wheel
CN108942712A (en) * 2018-07-24 2018-12-07 江苏赛扬精工科技有限责任公司 Cold saw grinding wheel of monoclinic structure and preparation method thereof
CN109483414A (en) * 2018-11-16 2019-03-19 江苏赛扬精工科技有限责任公司 Piston ring processing environment-friendly type grinding disc with double end faces and the preparation method and application thereof
CN109794861A (en) * 2018-11-21 2019-05-24 郑州磨料磨具磨削研究所有限公司 A kind of extra hard material grinding wheel and preparation method thereof, extra hard material grinding wheel press-moulding die
CN109822467A (en) * 2018-11-21 2019-05-31 郑州磨料磨具磨削研究所有限公司 A kind of CBN resinoid bonded grinding tool and preparation method thereof

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CN104308757B (en) * 2014-10-10 2016-10-19 马鞍山市金鹰超硬材料有限公司 A kind of superhard material metal combines base skeleton high speed heavy load emery wheel
CN104308757A (en) * 2014-10-10 2015-01-28 马鞍山市金鹰超硬材料有限公司 Superhard material metal bond framework type high-speed heavy load grinding wheel
CN104440600A (en) * 2014-11-12 2015-03-25 郑州磨料磨具磨削研究所有限公司 Composite matrix material for grinding wheel, preparation method and grinding wheel
CN104440610A (en) * 2014-11-14 2015-03-25 河南新源超硬材料有限公司 High-precision drum-type resin binder diamond grinding wheel and manufacturing method thereof
CN105171628A (en) * 2015-08-03 2015-12-23 苏州瑞高工程科技有限公司 Resin abrasive disc
CN105856085A (en) * 2016-03-30 2016-08-17 东北大学 Method for preparing grinding disc with boron carbide
CN105856085B (en) * 2016-03-30 2018-05-18 东北大学 The method that abrasive disk is prepared with boron carbide
CN105856081A (en) * 2016-05-16 2016-08-17 郑州磨料磨具磨削研究所有限公司 Finish-ground super-hard sand wheel for micro drilling and manufacturing method thereof
CN105856081B (en) * 2016-05-16 2018-06-01 郑州磨料磨具磨削研究所有限公司 A kind of micro- bore uses fine grinding hard grinding wheel and preparation method thereof
CN107309814A (en) * 2017-08-09 2017-11-03 安徽昌悌进出口贸易有限公司 A kind of high grinding efficiency emery wheel
CN108942712A (en) * 2018-07-24 2018-12-07 江苏赛扬精工科技有限责任公司 Cold saw grinding wheel of monoclinic structure and preparation method thereof
CN109483414A (en) * 2018-11-16 2019-03-19 江苏赛扬精工科技有限责任公司 Piston ring processing environment-friendly type grinding disc with double end faces and the preparation method and application thereof
CN109794861A (en) * 2018-11-21 2019-05-24 郑州磨料磨具磨削研究所有限公司 A kind of extra hard material grinding wheel and preparation method thereof, extra hard material grinding wheel press-moulding die
CN109822467A (en) * 2018-11-21 2019-05-31 郑州磨料磨具磨削研究所有限公司 A kind of CBN resinoid bonded grinding tool and preparation method thereof

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Application publication date: 20140507