CN108747875A - A kind of method of abrasive material in extraction Vitrified Bond CBN Grinding Wheel - Google Patents
A kind of method of abrasive material in extraction Vitrified Bond CBN Grinding Wheel Download PDFInfo
- Publication number
- CN108747875A CN108747875A CN201810556817.5A CN201810556817A CN108747875A CN 108747875 A CN108747875 A CN 108747875A CN 201810556817 A CN201810556817 A CN 201810556817A CN 108747875 A CN108747875 A CN 108747875A
- Authority
- CN
- China
- Prior art keywords
- abrasive material
- grinding wheel
- vitrified bond
- acid
- extraction
- 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.)
- Granted
Links
Classifications
-
- 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
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of methods of abrasive material in extraction Vitrified Bond CBN Grinding Wheel, by grinding wheel high temperature sintering, then rapid cooling, grinding wheel is then put into band water in ball mill and carries out ball milling, powder is put into the plastic bottle equipped with self-control solution, sealing.It is shaken, is placed into supersonic wave cleaning machine with constant temperature oscillator.Filtration of demineralized water is at neutrality, and then, powder is put into potassium hydroxide solution, is put into constant temperature oscillator and shakes.It places into supersonic wave cleaning machine and cleans.Filtration of demineralized water is in neutrality.Drying.Divide sample with sub-sieve.Different grain size categorised collection.Extracting cycle of the present invention is short, and extraction efficiency is high.The secondary use of abrasive material is not influenced.
Description
Technical field
The present invention relates to abrasive material extractive technique in Vitrified Bond CBN Grinding Wheel, CBN abrasive material purity that this method extracts
Height, crystal form is good, does not influence secondary use.
Background technology
Vitrified Bond CBN Grinding Wheel with its superior grinding performance, and is widely used.But in the process of actual production,
Because the control of technique and product stability are insufficient, many defective products are often caused.And in Vitrified Bond CBN Grinding Wheel at
It is exactly CBN abrasive materials that this is highest, the abrasive material in waste product grinding wheel can be extracted, can substantially reduce production cost.Existing
Technology in, the abrasive material of Vitrified Bond CBN Grinding Wheel is extracted through commonly using HF acid, but when practical operation, is extracted with HF acid merely
The abrasive material period is long, and purity is not also high.
Invention content
The object of the present invention is to provide a kind of methods of abrasive material in extraction Vitrified Bond CBN Grinding Wheel.
To achieve the above object of the invention, the technical solution adopted by the present invention is：
The method of abrasive material, includes the following steps in a kind of extraction Vitrified Bond CBN Grinding Wheel：
（1）Vitrified Bond CBN Grinding Wheel chilling into the water after 700 DEG C~1000 DEG C processing；Then band water for ball milling, after
Sieve, extracting screen underflow drying, obtains solids；
（2）Strong acid corrosive liquid is added in solids, is shaken at 50 DEG C~90 DEG C, obtains mixture；Then by mixture ultrasound
Through filtration of demineralized water to neutrality after cleaning, then dry to obtain powder；
（3）Powder is added in lye, is shaken at 50 DEG C~90 DEG C, obtains mixed system；Then mixed system ultrasound is clear
Through filtration of demineralized water to neutrality after washing, then dry to obtain abrasive material.
The invention also discloses a kind of methods preparing grinding wheel using extraction abrasive material, include the following steps：
（1）Vitrified Bond CBN Grinding Wheel chilling into the water after 700 DEG C~1000 DEG C processing；Then band water for ball milling, after
Sieve, extracting screen underflow drying, obtains solids；
（2）Strong acid corrosive liquid is added in solids, is shaken at 50 DEG C~90 DEG C, obtains mixture；Then by mixture ultrasound
Through filtration of demineralized water to neutrality after cleaning, then dry to obtain powder；
（3）Powder is added in lye, is shaken at 50 DEG C~90 DEG C, obtains mixed system；Then mixed system ultrasound is clear
Through filtration of demineralized water to neutrality after washing, then dry to obtain extraction abrasive material；
（4）Extraction abrasive material, vitrified bond powder, carbon dust, resin liquid are put into container, then pour into acetone, is stirred evenly；It waits for
After acetone volatilization completely, with green compact are pressed into after the sieving of the sieve of 60 mesh, put the green body into Muffle furnace, it is small with 920 DEG C of heat preservations 2
When flow be sintered, after coming out of the stove finishing be utilized extraction abrasive material prepare grinding wheel.
In above-mentioned technical proposal, step（1）In, the time with water for ball milling is 3~10 minutes；Sieve is that 325# is sieved；Drying
Temperature is 200 DEG C~300 DEG C.Band water for ball milling can prevent broken material to be attached on ball, influence crushing effect, drying is to go
Moisture removal, it is safer in order to be operated when making addition strong acid solution.
In above-mentioned technical proposal, step（2）In, strong acid corrosive liquid includes hydrofluoric acid, nitric acid, sulfuric acid, phosphoric acid；Preferred hydrogen
Fluoric acid, nitric acid, sulfuric acid, phosphoric acid mass ratio be（1~40）:（1~15）:（1~20）:（1~10）, it is further preferred that by force
In acid corrosion liquid, hydrofluoric acid, nitric acid, sulfuric acid, phosphoric acid mass percent be respectively 15%, 10%, 10%, 20%, remaining is water.It is excellent
Point is that nitric acid and sulfuric acid can corrode the attachment of vitrified bond edge generation, and phosphoric acid can play sustained release in corrosion and make
With keeping the pH value of solution, maintain the acidity of solution, accelerate the reaction rate of solution and vitrified bond.
In above-mentioned technical proposal, step（2）In, the time of concussion is 4~6 hours, and the time of ultrasonic cleaning is 2~3 small
When, the temperature of drying is 200 DEG C~300 DEG C.
In above-mentioned technical proposal, step（3）In, the time of concussion is 4~6 hours, and the time of ultrasonic cleaning is 2~3 small
When, the temperature of drying is 200 DEG C~300 DEG C.
In above-mentioned technical proposal, step（3）In, lye is potassium hydroxide solution, preferred mass a concentration of 10%~30%
Potassium hydroxide aqueous solution.
In above-mentioned technical proposal, step（4）In, extract the mass ratio of abrasive material, vitrified bond powder, carbon dust, resin liquid
It is 20: 5: 1: 1, vitrified bond powder, carbon dust, resin liquid are all existing conventional products.
The method of present invention useization corrosion extracts the CBN abrasive materials in vitrified bonded grinding wheel, and technological process is：It will return
700 DEG C~1000 DEG C high temperature sinterings of grinding wheel of receipts, are put into cold water rapidly, then grinding wheel is put into band water in ball mill and carries out ball milling
3~10 minutes, powder 325# sieves are sieved, 200 DEG C~300 DEG C drying.Powder is put into the plastics equipped with self-control solution
In bottle, sealing.Concussion is carried out with 50 DEG C~90 DEG C constant temperature oscillators 4~6 hours, and it is small to place into supersonic wave cleaning machine 2~3
When.Filtration of demineralized water is at neutrality, 200 DEG C~300 DEG C drying.Powder is put into a concentration of 10%~30% potassium hydroxide solution,
It is put into 50 DEG C~90 DEG C constant temperature oscillators and shakes 4~6 hours.It places into supersonic wave cleaning machine and cleans 2~3 hours.Pure water
Filtering is in neutrality.200 DEG C~300 DEG C drying.Divide sample, different grain size categorised collection with sub-sieve.
Insufficient to solve the prior art, innovation and creation disclose abrasive material in a kind of extraction Vitrified Bond CBN Grinding Wheel
Method, the composition removed other than CBN abrasive materials that can be quickly with homemade strong acid corrosive liquid can be according to technological process operation
In the case of not influencing vitrified bond CBN abrasive properties, CBN abrasive material high efficiency extractions can be come out.
Since above-mentioned technical proposal is used, the present invention has following advantages：
1. extraction cost of the present invention is low, extracting cycle is shorter.
2. the present invention is not in the case where influencing abrasive nature, abrasive material recovery rate can be up to 80%.
3. the present invention does not influence the secondary use of CBN abrasive materials.
Description of the drawings
Fig. 1 is new CBN abrasive samples figure；
Fig. 2 is the CBN abrasive material figures extracted.
Specific implementation mode
Patent of the present invention is described further below：
Embodiment one
The method of abrasive material, includes the following steps in a kind of extraction Vitrified Bond CBN Grinding Wheel：
（1）Grinding wheel is put into vacuum sintering furnace, being raised to 800 DEG C with 5 DEG C/min heating rates keeps the temperature 2 hours.
（2）Grinding wheel is put into band water in ball mill and carries out ball milling 5 minutes, 60 revs/min of rotating speed, by powder 325# sieve mistakes
Sieve, 250 DEG C of drying.
（3）Powder is put into the plastic bottle equipped with self-control strong acid corrosive liquid, sealing.It is shaken with 60 DEG C of constant temperature oscillators
It swings 5 hours, it is 2 hours in 30kHZ supersonic wave cleaning machines to place into frequency.Frequency is 30KHz, then by powder filtration of demineralized water at
Neutrality, 280 DEG C of drying.
By weight percent, strong acid corrosive liquid includes 15% hydrofluoric acid, 10% nitric acid, 10% sulfuric acid, 20% phosphoric acid,
Remaining is water.
（4）Powder is put into the potassium hydroxide aqueous solution of a concentration of 20wt%, is put into 70 DEG C of constant temperature oscillators and shakes 5
Hour.It is to be cleaned 3 hours in frequency 30kHZ supersonic wave cleaning machines, then powder is in neutrality with filtration of demineralized water to place into frequency,
240 DEG C of drying.
Complete the extraction of abrasive material in Vitrified Bond CBN Grinding Wheel.
（5）Divide sample, different grain size categorised collection with sub-sieve.
Fig. 1 is new CBN abrasive samples figure；Fig. 2 is the CBN abrasive material figures that the above method extracts.Comparison diagram 1 and Fig. 2, can be with
Find out abrasive material be not used and extract the monocrystalline that abrasive grain appearance is black, and crystal is multi-angular, crystal particle diameter all exists
Between 105 μm of -125 μ m, two kinds of abrasive material appearances are no difference.
Embodiment two
With new abrasive material grinding wheel is made with the abrasive material extracted carry out performance compared.
With CBN abrasive materials, vitrified bond powder, carbon dust, resin liquid mass ratio for 20:5:1:1 amount carries out weighing, will
It is put into beaker.A certain amount of acetone soln is poured into beaker again, is stirred evenly.After acetone soln completely volatilization.With
The sieve sieving mounted box of 60 mesh is for use.The material of mounted box is pressed into 28 × 23 × φ of φ 14 with the compact density of ρ=2.3 with mold
Annulus shape green compact, put the green body into Muffle furnace, be sintered with 920 DEG C of heat preservations, 2 hours flows.It is modified after coming out of the stove
To drawing size；Wherein vitrified bond powder, carbon dust, resin liquid are all existing conventional products.Grinding wheel uses comparison number
According to such as table 1.
The abrasive material that table 1 extracts makes the performance of grinding wheel with new abrasive material
| Abrasive species | Wheel hardness (HRH) | Roughness（RZ） | Circularity | Service life |
| Extract abrasive material | 105 | 1.2 | 1.3 | 9016 |
| New abrasive material | 108 | 1.1 | 1.3 | 9102 |
From correction data it can be seen that no matter the grinding wheel made of extraction abrasive material is in hardness, roughness, circularity, service life, with new mill
Material is approximate, therefore extracts abrasive material and new abrasive material quality having the same.The secondary use of CBN abrasive materials is not influenced.
Comparative example one
The method of abrasive material, includes the following steps in a kind of extraction Vitrified Bond CBN Grinding Wheel：
（1）Grinding wheel is put into vacuum sintering furnace, being raised to 800 DEG C with 5 DEG C/min heating rates keeps the temperature 2 hours.
（2）Grinding wheel is put into band water in ball mill and carries out ball milling 5 minutes, 60 revs/min of rotating speed, by powder 325# sieve mistakes
Sieve, 250 DEG C of drying.
（3）Powder is put into the plastic bottle for the hydrofluoric acid aqueous solution for being 20% equipped with mass percent, sealing.With 60 DEG C
Constant temperature oscillator carries out concussion 15 hours, and it is 2 hours in 30kHZ supersonic wave cleaning machines to place into frequency.Frequency is 30KHz, then
By powder filtration of demineralized water at neutrality, 280 DEG C of drying.
（4）Powder is put into the potassium hydroxide aqueous solution of a concentration of 20wt%, is put into 70 DEG C of constant temperature oscillators and shakes 5
Hour.It is to be cleaned 3 hours in frequency 30kHZ supersonic wave cleaning machines, then powder is in neutrality with filtration of demineralized water to place into frequency,
240 DEG C of drying.
Complete the extraction of abrasive material in Vitrified Bond CBN Grinding Wheel.
Grinding wheel, 1.0 degree hardness 81, roughness 0.81, circle, service life 6486, with new mill are prepared according to the method for embodiment one
Material difference is too big.
Claims (10)
1. the method for abrasive material, includes the following steps in a kind of extraction Vitrified Bond CBN Grinding Wheel：
（1）Vitrified Bond CBN Grinding Wheel chilling into the water after 700 DEG C~1000 DEG C processing；Then band water for ball milling, after
Sieve, extracting screen underflow drying, obtains solids；
（2）Strong acid corrosive liquid is added in solids, is shaken at 50 DEG C~90 DEG C, obtains mixture；Then by mixture ultrasound
Through filtration of demineralized water to neutrality after cleaning, then dry to obtain powder；
（3）Powder is added in lye, is shaken at 50 DEG C~90 DEG C, obtains mixed system；Then mixed system ultrasound is clear
Through filtration of demineralized water to neutrality after washing, then dry to obtain abrasive material.
2. the method for extracting abrasive material in Vitrified Bond CBN Grinding Wheel according to claim 1, which is characterized in that step（1）
In, the time with water for ball milling is 3~10 minutes；Sieve is that 325# is sieved；The temperature of drying is 200 DEG C~300 DEG C.
3. the method for extracting abrasive material in Vitrified Bond CBN Grinding Wheel according to claim 1, which is characterized in that step（2）
In, strong acid corrosive liquid includes hydrofluoric acid, nitric acid, sulfuric acid, phosphoric acid.
4. the method for extracting abrasive material in Vitrified Bond CBN Grinding Wheel according to claim 3, which is characterized in that hydrofluoric acid, nitre
Acid, sulfuric acid, phosphoric acid mass ratio be（1~40）:（1~15）:（1~20）:（1~10）.
5. the method for extracting abrasive material in Vitrified Bond CBN Grinding Wheel according to claim 4, which is characterized in that strong acid corrodes
In liquid, hydrofluoric acid, nitric acid, sulfuric acid, phosphoric acid mass percent be respectively 15%, 10%, 10%, 20%, remaining is water.
6. the method for extracting abrasive material in Vitrified Bond CBN Grinding Wheel according to claim 1, which is characterized in that step（2）
In, the time of concussion is 4~6 hours, and the time of ultrasonic cleaning is 2~3 hours, and the temperature of drying is 200 DEG C~300 DEG C.
7. the method for extracting abrasive material in Vitrified Bond CBN Grinding Wheel according to claim 1, which is characterized in that step（3）
In, the time of concussion is 4~6 hours, and the time of ultrasonic cleaning is 2~3 hours, and the temperature of drying is 200 DEG C~300 DEG C.
8. the method for extracting abrasive material in Vitrified Bond CBN Grinding Wheel according to claim 1, which is characterized in that step（3）
In, lye is potassium hydroxide solution.
9. a kind of method preparing grinding wheel using extraction abrasive material, includes the following steps：
（1）Vitrified Bond CBN Grinding Wheel chilling into the water after 700 DEG C~1000 DEG C processing；Then band water for ball milling, after
Sieve, extracting screen underflow drying, obtains solids；
（2）Strong acid corrosive liquid is added in solids, is shaken at 50 DEG C~90 DEG C, obtains mixture；Then by mixture ultrasound
Through filtration of demineralized water to neutrality after cleaning, then dry to obtain powder；
（3）Powder is added in lye, is shaken at 50 DEG C~90 DEG C, obtains mixed system；Then mixed system ultrasound is clear
Through filtration of demineralized water to neutrality after washing, then dry to obtain extraction abrasive material；
（4）Extraction abrasive material, vitrified bond powder, carbon dust, resin liquid are put into container, then pour into acetone, is stirred evenly；It waits for
After acetone volatilization completely, with green compact are pressed into after the sieving of the sieve of 60 mesh, put the green body into Muffle furnace, it is small with 920 DEG C of heat preservations 2
When flow be sintered, after coming out of the stove finishing be utilized extraction abrasive material prepare grinding wheel.
10. the method for preparing grinding wheel using extraction abrasive material according to claim 9, which is characterized in that step（1）In, band water
The time of ball milling is 3~10 minutes；Sieve is that 325# is sieved；The temperature of drying is 200 DEG C~300 DEG C；Step（2）In, strong acid corrosion
Liquid includes hydrofluoric acid, nitric acid, sulfuric acid, phosphoric acid, hydrofluoric acid, nitric acid, sulfuric acid, phosphoric acid mass ratio be（1~40）:（1~15）:（1
~20）:（1~10）；Extract abrasive material, vitrified bond powder, carbon dust, resin liquid mass ratio be 20: 5: 1: 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097310.9A CN110861008B (en) | 2018-05-31 | 2018-05-31 | Method for preparing grinding wheel by using extracted abrasive |
| CN201810556817.5A CN108747875B (en) | 2018-05-31 | 2018-05-31 | Method for extracting abrasive in ceramic bond CBN grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556817.5A CN108747875B (en) | 2018-05-31 | 2018-05-31 | Method for extracting abrasive in ceramic bond CBN grinding wheel |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911097310.9A Division CN110861008B (en) | 2018-05-31 | 2018-05-31 | Method for preparing grinding wheel by using extracted abrasive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108747875A true CN108747875A (en) | 2018-11-06 |
| CN108747875B CN108747875B (en) | 2019-12-17 |
Family
ID=64001715
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911097310.9A Active CN110861008B (en) | 2018-05-31 | 2018-05-31 | Method for preparing grinding wheel by using extracted abrasive |
| CN201810556817.5A Active CN108747875B (en) | 2018-05-31 | 2018-05-31 | Method for extracting abrasive in ceramic bond CBN grinding wheel |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911097310.9A Active CN110861008B (en) | 2018-05-31 | 2018-05-31 | Method for preparing grinding wheel by using extracted abrasive |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110861008B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238767A (en) * | 2019-07-24 | 2019-09-17 | 盐城市锐金磨料磨具有限公司 | A kind of waste and old grinding wheel resource regeneration technology of resin |
| CN110607165A (en) * | 2019-08-19 | 2019-12-24 | 沈阳中科超硬磨具磨削研究所 | Method for rapidly recovering high-purity grinding material in ceramic bond CBN grinding wheel |
| CN110861008A (en) * | 2018-05-31 | 2020-03-06 | 江苏赛扬精工科技有限责任公司 | Method for preparing grinding wheel by using extracted abrasive |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057283A (en) * | 1990-06-14 | 1991-12-25 | 夏玉策 | Technology for reclaimed abrasive from waste grinding wheel |
| RU2388587C1 (en) * | 2008-08-15 | 2010-05-10 | Государственное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Method of grinding wheel recovery |
| CN103753413A (en) * | 2014-01-10 | 2014-04-30 | 苏州赛力精密工具有限公司 | Peripheral edge grinding wheel for machining PCBN (polycrystalline cubic boron nitride) blades |
| CN106675517A (en) * | 2015-11-10 | 2017-05-17 | 江苏华东砂轮有限公司 | Method for recycling CBN (Cubic Boron Nitride) abrasive from waste product obtained by producing ceramic bonding agent CBN grinding wheel |
| CN107151025A (en) * | 2017-04-20 | 2017-09-12 | 江苏耐锐特磨料磨具有限公司 | A kind of abrasive reclaiming method in heavy duty grinding wheel |
| CN107986284A (en) * | 2017-12-08 | 2018-05-04 | 中国科学院青海盐湖研究所 | It is a kind of that the method that boron carbide is recycled in waste material is ground from sapphire |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4568363A (en) * | 1985-03-08 | 1986-02-04 | Dresser Industries, Inc. | Method for making sintered aluminous abrasive particles |
| JP2941749B2 (en) * | 1997-08-04 | 1999-08-30 | 三倉物産株式会社 | Method for treating wafer polishing waste liquid and sintered body mainly containing recovered abrasive |
| CN202862018U (en) * | 2012-07-30 | 2013-04-10 | 白鸽磨料磨具有限公司 | General abrasive low-temperature bond grinding wheel |
| CN104526577B (en) * | 2014-12-12 | 2017-04-12 | 郑州博特硬质材料有限公司 | Preparation method for ceramic resin composite bonding agent grinding wheel |
| WO2017216415A1 (en) * | 2016-06-16 | 2017-12-21 | Kwh Mirka Ltd | Method and apparatus for producing abrasive material |
| CN110861008B (en) * | 2018-05-31 | 2021-02-26 | 江苏赛扬精工科技有限责任公司 | Method for preparing grinding wheel by using extracted abrasive |
-
2018
- 2018-05-31 CN CN201911097310.9A patent/CN110861008B/en active Active
- 2018-05-31 CN CN201810556817.5A patent/CN108747875B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057283A (en) * | 1990-06-14 | 1991-12-25 | 夏玉策 | Technology for reclaimed abrasive from waste grinding wheel |
| RU2388587C1 (en) * | 2008-08-15 | 2010-05-10 | Государственное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Method of grinding wheel recovery |
| CN103753413A (en) * | 2014-01-10 | 2014-04-30 | 苏州赛力精密工具有限公司 | Peripheral edge grinding wheel for machining PCBN (polycrystalline cubic boron nitride) blades |
| CN106675517A (en) * | 2015-11-10 | 2017-05-17 | 江苏华东砂轮有限公司 | Method for recycling CBN (Cubic Boron Nitride) abrasive from waste product obtained by producing ceramic bonding agent CBN grinding wheel |
| CN107151025A (en) * | 2017-04-20 | 2017-09-12 | 江苏耐锐特磨料磨具有限公司 | A kind of abrasive reclaiming method in heavy duty grinding wheel |
| CN107986284A (en) * | 2017-12-08 | 2018-05-04 | 中国科学院青海盐湖研究所 | It is a kind of that the method that boron carbide is recycled in waste material is ground from sapphire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861008A (en) * | 2018-05-31 | 2020-03-06 | 江苏赛扬精工科技有限责任公司 | Method for preparing grinding wheel by using extracted abrasive |
| CN110861008B (en) * | 2018-05-31 | 2021-02-26 | 江苏赛扬精工科技有限责任公司 | Method for preparing grinding wheel by using extracted abrasive |
| CN110238767A (en) * | 2019-07-24 | 2019-09-17 | 盐城市锐金磨料磨具有限公司 | A kind of waste and old grinding wheel resource regeneration technology of resin |
| CN110607165A (en) * | 2019-08-19 | 2019-12-24 | 沈阳中科超硬磨具磨削研究所 | Method for rapidly recovering high-purity grinding material in ceramic bond CBN grinding wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110861008A (en) | 2020-03-06 |
| CN110861008B (en) | 2021-02-26 |
| CN108747875B (en) | 2019-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108747875A (en) | A kind of method of abrasive material in extraction Vitrified Bond CBN Grinding Wheel | |
| CN1314349C (en) | Method for processing glucomannan | |
| CN101705076B (en) | Method for producing green silicon carbide FEPA F P | |
| CN104480337A (en) | Preparation method of material for hard alloy slitting tool | |
| CN106315585B (en) | The purifying technique of waste liquid caused by carbonization abrading with boron sapphire | |
| CN102758089B (en) | Recovering and regenerating method of cemented carbide scrap material | |
| CN100473717C (en) | Dry process for producing corn plumule oil | |
| CN103819194B (en) | For the dedicated ceramic material of sintered silicon carbide ceramics film | |
| CN104451221A (en) | Preparation method of material for hard alloy cutting tool | |
| CN108817312B (en) | A kind of mechanical regeneration method of the inorganic overlay film hygrometric state antiquated sand of silicates | |
| CN108723286A (en) | A kind of regeneration method of the inorganic overlay film hygrometric state antiquated sand of silicates | |
| CN1958446A (en) | Method for preparing high purity super fine silicon miropowder by using powder of natural quartz | |
| CN102746934A (en) | Method for recovering water-soluble cutting fluid from silicon wafer cutting fluid | |
| CN102443069A (en) | Corn processing method | |
| CN108394903A (en) | A kind of preparation method of nanometer silicon carbide micro mist | |
| CN107902659A (en) | A kind of method that recycling purification boron carbide in waste material is ground from sapphire | |
| CN102825010B (en) | A kind of method for comprehensive processing of mineral aggregate | |
| WO2020004625A1 (en) | Method for manufacturing cellulose pulverized product | |
| CN111453741B (en) | Method for extracting and recovering silicon dioxide in fluorine-containing silicon-containing waste slag by wet method | |
| CN101898762A (en) | Production process for multi-edge silicon micropowder used for linear cutting | |
| CN107986284A (en) | It is a kind of that the method that boron carbide is recycled in waste material is ground from sapphire | |
| CN113773805A (en) | Dry-wet combined production process for superhard material grinding material | |
| CN112142103A (en) | Method for producing titanium dioxide by using waste denitration catalyst based on alkali dissolution method | |
| CN103974776A (en) | Method for processing optical fiber wastes | |
| CN109279607B (en) | Preparation method of carbon silica blade material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |