CN105108666B - One kind processing PCD saw blades ceramic skive and preparation method thereof - Google Patents
One kind processing PCD saw blades ceramic skive and preparation method thereof Download PDFInfo
- Publication number
- CN105108666B CN105108666B CN201510453597.XA CN201510453597A CN105108666B CN 105108666 B CN105108666 B CN 105108666B CN 201510453597 A CN201510453597 A CN 201510453597A CN 105108666 B CN105108666 B CN 105108666B
- Authority
- CN
- China
- Prior art keywords
- saw blades
- processing
- skive
- pcd saw
- abrasive 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.)
- Expired - Fee Related
Links
Abstract
The invention discloses one kind processing PCD saw blades ceramic skive and preparation method thereof, including matrix and abrasive material, including matrix and abrasive material, abrasive material is made up of diamond, vitrified bond, SG abrasive materials, liquid phenolic resin, and wherein vitrified bond is made up of silica, aluminum oxide, borax, potassium carbonate, cerium oxide.Processing PCD saw blades disclosed by the invention are with ceramic skive, and raw material composition is reasonable, it is adaptable to the grinding of new PCD saw blades, have the advantages that sharpness is good, heat endurance is high, processing PCD saw blades precision height, efficiency high, long lifespan.
Description
Technical field
The present invention relates to super hard abrasive instrument and its preparing technical field, more particularly to a kind of processing PCD saw blades ceramics
Skive and preparation method thereof.
Background technology
Emery wheel is the main tool of grinding, and it is the porous body being made up of abrasive material and bonding agent.Using diamond abrasive as
Raw material, makees bonding agent with metal powder, resin-oatmeal, ceramics respectively, and there is the circular bonded abrasive tool referred to as Buddha's warrior attendant of through hole in the center being made
Stone sand wheel.The characteristic having by diamond abrasive（Hardness is high, compression strength is high, wearability is good）, diamond abrasive tool is existed
Turn into the ideal tools of grinding hard brittle material and hard alloy in grinding, be widely used in the processing metal of low iron content and non-
Metal hard brittle material.
PCD saw blades are a kind of Novel saw blades, and its cutter head uses PCD（Polycrystalline diamond）For material, hard is efficiently solved
The problem of delaying work that the defect and tool change time length of alloy saw blade quick abrasion are brought, with machined surface quality, overlong service life,
Cutting speed is fast and the advantages of high cost performance, therefore is widely used in the processing of the material in addition to ferrous metal, for example by force
Change floor, wiring board material, stone material, aluminium bar, lucite etc..
PCD saw blades generally include steel matrix and PCD cutter heads, and steel matrix is the major part of saw blade, and support is played to product
Effect；And PCD cutter heads are used for replacing the carbide bit in common saw blade, play a part of cutting product, its
Can constantly it consume, and matrix can keep original appearance constant.
Compared with hard alloy saw blade grinding, PCD saw blades are held due to the high rigidity and high-wearing feature of PCD material
Burn and the softening of resin wheel are easily caused, so needing a kind of special ceramic skive of research and development, it is desirable to sharpness
Good, heat endurance is high, long lifespan, while also needing to good shape retention.
The content of the invention
It is an object of the invention to provide one kind processing PCD saw blades ceramics skive, it has sharpness good, hot steady
Qualitative height, the advantage of long lifespan, improve emery wheel processing efficiency, extend emery wheel currying work every.
To reach above-mentioned purpose, the specific technical scheme of the present invention is：One kind processing PCD saw blades ceramics boart boart
Wheel, including matrix and abrasive material, the raw material of the abrasive material is constituted is with percentage by weight：Diamond 41~63%, Ceramic bond
Agent 25~42.5%, SG abrasive materials 1~10%, liquid phenolic resin 5~10%；The raw material composition and weight percent of the vitrified bond
Than for, silica 43%~62.5%, aluminum oxide 5~16%, borax 22~34%, potassium carbonate 9~18.5%, cerium oxide 0.5~
5.5%。
In above-mentioned technical proposal, matrix and abrasive material pass through polytetrafluoroethylene (PTFE) high temperature glue sticking.Compared to ordinary epoxy resin
Structure glue, polytetrafluoroethylene (PTFE) high-temp glue good toughness and has certain elasticity, can absorb a part and becomes in high-speed and high-temperature state lower substrate
Stress caused by after shape, the higher vitrified abrasive of protection fragility will not fragmentation.The ceramic skive processing 2358 of the present invention
Still remain intact, do not ftracture after part PCD saw blades.
In above-mentioned technical proposal, abrasive material selects the SG abrasive materials of Saint-Gobain as filler, and granularity keeps identical with diamond.
Compared to common white fused alumina filler, SG abrasive materials have hardness high, and good toughness, the features such as sharpness is strong can dramatically increase ceramic metal
The sharpness of diamond grinding wheel and life-span.
In above-mentioned technical proposal, bonding agent granularity is classified by screen cloth, the bonding agent granularity of screening improve to
18~28 μm, emery wheel sintering posterior spiracle is more and is evenly distributed, and bonding agent bridge substantially, without using pore creating material, reduces pore-creating
Destruction of the agent to wheel strength, strengthens the shape retention and sharpness of emery wheel, so that the finishing time of emery wheel increases, emery wheel
The reduction of finishing frequency, the life-span of emery wheel further improves.
In above-mentioned technical proposal, the particle diameter of the diamond is 75~85 microns；The particle diameter of the SG abrasive materials is 75~85
Micron.
In above-mentioned technical proposal, the porosity of abrasive material is 25%~35%.
The invention with the addition of a small amount of rare earth element cerium oxide in the raw material of refining bonding agent, cerium ion point
Cloth while bonding agent intensity itself is improved, can also increase bonding agent to diamond and SG abrasive materials in vitrified bond
Hold, increase emery wheel heat endurance and life-span.
The invention also discloses preparation method of the above-mentioned processing PCD saw blades with ceramic skive, comprise the following steps：
（1）After silica, aluminum oxide, borax, potassium carbonate, cerium oxide are well mixed, 1350 DEG C in Cinker clew furnace~
1450 DEG C of meltings, rapidly cool down after ball milling into powder, after drying sieve, take can by 600 mesh standard sieves, can not be by 800 mesh
The powder of standard screen, as vitrified bond；
（2）After diamond, vitrified bond, SG abrasive materials are mixed, sieving processing, extracting screen underflow is placed in container；By phenol
After urea formaldehyde liquid is mixed with acetone, add in the container containing screenings, be uniformly mixed so as to obtain emery wheel compound；
（3）Emery wheel compound is poured into mould and struck off, cold moudling obtains abrasive material base substrate；By abrasive material base substrate
2 hours are incubated in 110 DEG C, is then placed in sintering furnace, segmented formula sintering obtains abrasive material；The segmented is sintered to from room
Temperature rise is incubated 1 hour to after 300 DEG C；500 DEG C are then heated to, 1 hour is incubated；700 DEG C are warming up to again, are incubated 1 hour；Finally
Furnace cooling；
（4）It is using polytetrafluoroethylene (PTFE) high-temp glue that the abrasive material after sintering is Nian Jie with matrix, obtain emery wheel base substrate；Emery wheel base
Body is post-treated to obtain the ceramic skive of processing PCD saw blades.
In above-mentioned technical proposal, step（1）In, rapidly cooling refers to pour into melting matter in cold water and cooled down.
In above-mentioned technical proposal, step（2）In, sieving processing uses 180 mesh standard sieves.
In above-mentioned technical proposal, step（3）In, cold moudling pressure is 18MPa.
In above-mentioned technical proposal, step（4）In, post-process to grind emery wheel base substrate respectively through peripheral milling processing, end face
Processing, finishing processing, reach the shape and size required by drawing, obtain the ceramic skive of processing PCD saw blades.
Due to the application of such scheme, the present invention has advantages below compared with prior art：
1. present invention firstly discloses one kind processing PCD saw blades ceramics skive, it is adaptable to new PCD saw blades
Grinding, has the advantages that sharpness is good, heat endurance is high, and processing PCD saw blades precision is high, efficiency high.
2. vitrified bond intensity disclosed by the invention is high, it is good to hold property to abrasive material, and diamond is not during emery wheel use
It is easy to fall off, improve wheel life；Coordinate reasonable with other components, compatibility is good, and the heat endurance of emery wheel is improved jointly, gram
Existing emery wheel is taken and burn, softening, the defect of cracking occurs in high-speed grinding PCD saw blades；The ceramic boart boart of the present invention
Still remained intact after wheel 2358 PCD saw blades of processing, do not ftracture, achieve unexpected technique effect.
3. the ceramic skive of the present invention, improves vitrified bond granularity, emery wheel sintering posterior spiracle is more and divides
Cloth is uniform, and bonding agent bridge substantially, without reusing pore creating material, reduces destruction of the pore creating material to wheel strength, strengthens emery wheel
Shape retention and sharpness.
4. processing PCD saw blades disclosed in this invention are simple with the preparation technology of ceramic skive, raw material is without special
It is required that, composition is reasonable；The ceramic skive of obtained processing PCD saw blades has good heat-sinking capability, and good is strong
Degree and rigidity, and can be with the intact combination of matrix；It is suitable for industrialized production and application.
Brief description of the drawings
Fig. 1 is the ceramic skive schematic diagram of 12A2 types of the invention in embodiment one；
Fig. 2 is the ceramic skive schematic diagram of 3A1 types of the invention in embodiment two；
Wherein：1st, abrasive material；2nd, matrix.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
In the present invention, polytetrafluoroethylene (PTFE) high-temp glue, liquid phenolic resin, acetone, aluminum oxide, silica, borax, carbonic acid
Potassium, cerium oxide are commercial goods, must meet national standard；Silica, borax, potassium carbonate must meet to analyze pure rank
National standard.
Embodiment one：Shown in Figure 1, one kind processing PCD saw blades are with ceramic skive, for processing PCD cutter heads
Relief angle position is, it is necessary to which emery wheel has good shape retention and sharpness, including grinding wheel base body 2 and the mill on grinding wheel base body
The bed of material 1, abrasive material is adhesively fixed through polytetrafluoroethylene (PTFE) high-temp glue and matrix.Emery wheel specification is 12A2 types 125X18X20X6X8.Mill
The bed of material porosity 33%.
Abrasive material raw material is constituted and mass percent is：Diamond 56%, vitrified bond 31%, SG abrasive materials 7%, phenolic aldehyde tree
Fat liquid 6%.
The preparation method of ceramic skive comprises the following steps：
（1）After diamond, vitrified bond, SG abrasive materials are weighed according to proportioning, by 180 mesh standard sieve 5 times, it is placed in and grinds
In alms bowl；Liquid phenolic resin and acetone are fully dissolved according to 15g: 100ml ratio, the compound in mortar is uniformly swung to, makes
It is stirred with mortar rod, untill all raw materials are mixed；
（2）By step（1）Gained emery wheel compound is poured slowly into mould and struck off, and is molded using cold press, shaping pressure
Power 18MPa, without pressurize, obtains abrasive material base substrate after depanning；
（3）In the constant temperature oven that abrasive material base substrate is put into 110 DEG C, 2 hours are incubated, is put into after taking-up in sintering furnace, from
Room temperature rises to after 300 DEG C and is incubated 1 hour；500 DEG C are then heated to, 1 hour is incubated；700 DEG C are warming up to again, are incubated 1 hour；Most
Furnace cooling afterwards；
（4）It is using polytetrafluoroethylene (PTFE) high-temp glue that the abrasive material after sintering is Nian Jie with matrix, obtain emery wheel base substrate；Emery wheel base
Body is post-treated to obtain the ceramic skive of processing PCD saw blades.
Wherein, the preparation flow of vitrified bond is as follows：
（a）By silica 54%, aluminum oxide 7%, borax 23%, potassium carbonate 14%, cerium oxide 2% is well mixed；
（b）1450 DEG C of meltings in Cinker clew furnace by gained compound, then pour into melting matter after rapidly being cooled down in cold water
Ball milling sieves into powder after drying, choosing can by 600 mesh standard sieves, can not be ceramics by the powder of 800 mesh standard sieves
Bonding agent.
Embodiment two：Shown in Figure 2, one kind processing PCD saw blades process PCD cutter head side angles with ceramic skive
Position is, it is necessary to which emery wheel has higher service life, including grinding wheel base body 2 and the abrasive material 1 on grinding wheel base body, abrasive material warp
Thermal structure glue is adhesively fixed with matrix.Emery wheel specification is 3A1 types 100X10X20X10X6.The abrasive material porosity 25%.
Abrasive material raw material is constituted and mass percent is：Diamond 62%, vitrified bond 27%, SG abrasive materials 4%, phenolic aldehyde tree
Fat liquid 7%.
The preparation method of ceramic skive comprises the following steps：
（1）After diamond, vitrified bond, SG abrasive materials are weighed according to proportioning, by 180 mesh standard sieve 5 times, it is placed in and grinds
In alms bowl；Liquid phenolic resin and acetone are fully dissolved according to 15g: 100ml ratio, the compound in mortar is uniformly swung to, makes
It is stirred with mortar rod, untill all raw materials are mixed；
（2）By step（1）Gained emery wheel compound is poured slowly into mould and struck off, and is molded using cold press, shaping pressure
Power 18MPa, without pressurize, obtains abrasive material base substrate after depanning；
（3）In the constant temperature oven that abrasive material base substrate is put into 110 DEG C, 2 hours are incubated, is put into after taking-up in sintering furnace, from
Room temperature rises to after 300 DEG C and is incubated 1 hour；500 DEG C are then heated to, 1 hour is incubated；700 DEG C are warming up to again, are incubated 1 hour；Most
Furnace cooling afterwards；
（4）It is using polytetrafluoroethylene (PTFE) high-temp glue that the abrasive material after sintering is Nian Jie with matrix, obtain emery wheel base substrate；Emery wheel base
Body is post-treated to obtain the ceramic skive of processing PCD saw blades.
Wherein, the preparation flow of vitrified bond is as follows：
（a）Raw material is well mixed according to following mass percent：Silica 47%, aluminum oxide 6%, borax 30%, carbonic acid
Potassium 15%, cerium oxide 4%；
（b）1450 DEG C of meltings in Cinker clew furnace by gained compound, ball milling sieves into powder after drying after rapidly cooling down,
Choosing can by 600 mesh standard sieves, the powder of 800 mesh standard sieves, as vitrified bond can not be passed through.
Embodiment three
The ceramic skive of the present invention and existing resin diamond grinding wheel are used to process same PCD saw blades, tied
Fruit is shown in Table 1.
The vitrified abrasive of the present invention of table 1 and the machined parameters of existing resin wheel
| Emery wheel used | Feed speed | Process time | Currying work every | Wheel life |
| The vitrified abrasive of embodiment one | 1.5mm/min | 10s | 20/repair | 2358 |
| Existing resin wheel | 0.3mm/min | 60s | 3/repair | 423 |
As shown in Table 1, compared with existing resin wheel, ceramic skive of the invention is processing identical PCD saw blades
When, using the teaching of the invention it is possible to provide faster feed speed, process time is shorter, improves processing efficiency, and emery wheel heat endurance is high, so that
Currying work is every length, without frequently finishing, and wheel life is high, while having good shape retention and sharpness.
Claims (7)
1. one kind processing PCD saw blades ceramic skive, including matrix and abrasive material, it is characterised in that the abrasive material
Raw material composition be with percentage by weight：Diamond 41~63%, vitrified bond 25~42.5%, SG abrasive materials 1~10%, phenolic aldehyde
Resin liquid 5~10%；The raw material of the vitrified bond is constituted and percentage by weight is, silica 43%~62.5%, aluminum oxide
5~16%, borax 22~34%, potassium carbonate 9~18.5%, cerium oxide 0.5~5.5%；The particle diameter of the vitrified bond be 18~
28 microns；The particle diameter of the diamond is 75~85 microns；The particle diameter of the SG abrasive materials is 75~85 microns；Described matrix and mill
The bed of material passes through polytetrafluoroethylene (PTFE) high temperature glue sticking.
2. PCD saw blades are processed according to claim 1 with ceramic skive, it is characterised in that：The gas of the abrasive material
Porosity is 25%~35%.
3. PCD saw blades are processed according to claim 1 with ceramic skive, it is characterised in that：Described matrix is aluminium base
Body.
4. preparation method of the PCD saw blades with ceramic skive is processed described in claim 1, it is characterised in that including following
Step：
（1）After silica, aluminum oxide, borax, potassium carbonate, cerium oxide are well mixed, 1350 DEG C~1450 in Cinker clew furnace
DEG C melting, ball milling sieves into powder after drying after rapidly cooling down, take can by 600 mesh standard sieves, can not be accurate by 800 targets
The powder of sieve, as vitrified bond；
（2）After diamond, vitrified bond, SG abrasive materials are mixed, sieving processing, extracting screen underflow is placed in container；By phenolic aldehyde tree
After fat liquid is mixed with acetone, add in the container containing screenings, be uniformly mixed so as to obtain emery wheel compound；
（3）Emery wheel compound is poured into mould and struck off, cold moudling obtains abrasive material base substrate；By abrasive material base substrate in 110
DEG C insulation 2 hours；It is then placed in sintering furnace, segmented formula sintering obtains abrasive material；The segmented is sintered to from room temperature liter
1 hour is incubated after to 300 DEG C；500 DEG C are then heated to, 1 hour is incubated, 700 DEG C are then heated to, 1 hour is incubated；It is last with
Stove is cooled down；
（4）It is using polytetrafluoroethylene (PTFE) high-temp glue that the abrasive material after sintering is Nian Jie with matrix, obtain emery wheel base substrate；Emery wheel base substrate is passed through
Post processing obtains the ceramic skive of processing PCD saw blades.
5. preparation method of the PCD saw blades with ceramic skive is processed according to claim 4, it is characterised in that：Step
（2）In, sieving processing uses 180 mesh standard sieves.
6. preparation method of the PCD saw blades with ceramic skive is processed according to claim 4, it is characterised in that：Step
（3）In, cold moudling pressure is 18MPa.
7. preparation method of the PCD saw blades with ceramic skive is processed according to claim 4, it is characterised in that：Step
（4）In, post-process respectively through peripheral milling processing, the processing of end face mill, finishing processing, to reach emery wheel base substrate required by drawing
Shape and size, obtain processing PCD saw blades ceramics skive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510453597.XA CN105108666B (en) | 2015-07-29 | 2015-07-29 | One kind processing PCD saw blades ceramic skive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510453597.XA CN105108666B (en) | 2015-07-29 | 2015-07-29 | One kind processing PCD saw blades ceramic skive and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105108666A CN105108666A (en) | 2015-12-02 |
| CN105108666B true CN105108666B (en) | 2017-10-10 |
Family
ID=54656889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510453597.XA Expired - Fee Related CN105108666B (en) | 2015-07-29 | 2015-07-29 | One kind processing PCD saw blades ceramic skive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105108666B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105884355A (en) * | 2016-04-22 | 2016-08-24 | 柳州凯通新材料科技有限公司 | Method for processing high-precision cutting grinding wheel |
| CN106041760B (en) * | 2016-06-06 | 2018-08-03 | 郑州磨料磨具磨削研究所有限公司 | A kind of self-sharpening diamond grinding wheel and preparation method thereof |
| CN108942712B (en) * | 2018-07-24 | 2020-09-25 | 江苏赛扬精工科技有限责任公司 | Cold saw grinding wheel with monoclinic edge structure and preparation method thereof |
| CN109082552A (en) * | 2018-09-04 | 2018-12-25 | 芜湖瑞德机械科技有限公司 | High rigidity PCD composite sheet and preparation method thereof |
| CN109097650A (en) * | 2018-09-04 | 2018-12-28 | 芜湖瑞德机械科技有限公司 | Wear-resisting PCD composite sheet and preparation method thereof |
| CN111300288B (en) * | 2020-04-21 | 2021-11-09 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel for grinding electronic packaging substrate material and preparation method thereof |
| CN112247272B (en) * | 2020-09-11 | 2022-03-04 | 高斯(杭州)智能科技有限公司 | Noise reduction saw blade and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0129893A3 (en) * | 1983-06-28 | 1986-10-29 | Takeda Chemical Industries, Ltd. | Ground mixture |
| US5427077A (en) * | 1994-04-07 | 1995-06-27 | Gasifier Corporation | Apparatus for delivering a volatile combustible vapor and atmospheric air mixture to internal combustion engines |
| CN1471388A (en) * | 2000-08-31 | 2004-01-28 | ˹����ҩƷ���ô�˾ | Milled particles |
| 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 |
| CN104002250A (en) * | 2014-06-10 | 2014-08-27 | 湖南大学 | Preparing method of ceramic bonding agent CBN (Cubic Boron Nitride) grinding wheel with precisely adjustable and controllable hardness attenuation value |
-
2015
- 2015-07-29 CN CN201510453597.XA patent/CN105108666B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0129893A3 (en) * | 1983-06-28 | 1986-10-29 | Takeda Chemical Industries, Ltd. | Ground mixture |
| US5427077A (en) * | 1994-04-07 | 1995-06-27 | Gasifier Corporation | Apparatus for delivering a volatile combustible vapor and atmospheric air mixture to internal combustion engines |
| CN1471388A (en) * | 2000-08-31 | 2004-01-28 | ˹����ҩƷ���ô�˾ | Milled particles |
| 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 |
| CN104002250A (en) * | 2014-06-10 | 2014-08-27 | 湖南大学 | Preparing method of ceramic bonding agent CBN (Cubic Boron Nitride) grinding wheel with precisely adjustable and controllable hardness attenuation value |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105108666A (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105108666B (en) | One kind processing PCD saw blades ceramic skive and preparation method thereof | |
| CN101434827B (en) | Grinding medium containing ceramic particle, preparation and use thereof | |
| CN105081992B (en) | A kind of ceramic resin combined binder and skive and its preparation technology | |
| CN105349868B (en) | A kind of cermet bonding agent and preparation method thereof, CBN emery wheels and preparation method thereof | |
| CN102814747B (en) | A kind of CBN resin wheel and preparation method thereof | |
| CN104875287B (en) | Dry and wet dual-purpose laser welding diamond saw blade | |
| CN103753413B (en) | A kind of processing PCB N blade peripheral grinding wheel | |
| CN104308755B (en) | A kind of resin CBN emery wheel for precessing saw sheet matrix | |
| CN102814763B (en) | A kind of Polyimide Resin Bonded Diamond Grinding Wheel and preparation method thereof | |
| CN102814759A (en) | Diamond resin grinding wheel and preparation method thereof | |
| CN104985537B (en) | A kind of composition metal resin anchoring agent diamond grinding wheel | |
| JP2006346857A (en) | Polishing tool | |
| CN103551971A (en) | Ceramic binding agent for ceramic grinding block and preparation method thereof | |
| CN104526584A (en) | Diamond grinding wheel adopting resin and ceramic binding agent | |
| CN1589189A (en) | Porous abrasive tool and method for making the same | |
| CN109015425B (en) | Resin binder grinding wheel and preparation method thereof | |
| CN102825557B (en) | Polyvinyl acetal resin grinding wheel and production method thereof | |
| CN102814745A (en) | Fused zirconia alumina resin grinding wheel and method for preparing same | |
| CN103170921A (en) | Diamond grinding tool use for grinding hard alloy cutters | |
| CN102814762B (en) | A kind of polyaminobismaleimide resin emery wheel and preparation method thereof | |
| CN103770035A (en) | Method for preparing diamond grinding wheel ceramic bond with low sintering temperature and high strength | |
| CN103753411A (en) | Ceramic and resin composite grinding wheel | |
| CN104669129A (en) | Ceramics titanizing CBN (cubic boron nitride) grinding wheel and preparation method thereof | |
| CN105437091A (en) | Large-pore resin binder superhard material grinding wheel for stainless steel end face grinding and manufacturing method thereof | |
| CN104759993A (en) | Ceramic microcrystal fused alumina grinding wheel for crankshaft grinding and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20210729 |