CN106863158A - A kind of method of vacuum brazing cubic boron nitride abrasive wheel - Google Patents
A kind of method of vacuum brazing cubic boron nitride abrasive wheel Download PDFInfo
- Publication number
- CN106863158A CN106863158A CN201710210877.7A CN201710210877A CN106863158A CN 106863158 A CN106863158 A CN 106863158A CN 201710210877 A CN201710210877 A CN 201710210877A CN 106863158 A CN106863158 A CN 106863158A
- Authority
- CN
- China
- Prior art keywords
- boron nitride
- cubic boron
- powder
- heating
- grinding wheel
- 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
- B24D18/009—Tools not otherwise provided for
Abstract
The invention discloses a kind of preparation method of heating in vacuum high-entropy alloy soldering simple cuboidal boron nitride grinding wheel, comprise the following steps：Cubic boron nitride abrasive wheel matrix is prepared using the method for machining；The high-entropy alloy powder being made of Ni Cr B Si+Cu+Al+Ti+Co metal powder ball milling mixings, as the solder of soldering cubic boron nitride grinding wheel；Grinding wheel base body, pressure sensitive adhesive, solder, cubic boron nitride abrasive grain are placed in order, tools molded blank；Finally use heating in vacuum mode soldering cubic boron nitride grinding wheel.
Description
Technical field
The invention belongs to super hard abrasive tool making field, and in particular to a kind of new solder brazing simple cuboidal boron nitride
The preparation method of emery wheel.
Background technology
With the development of science and technology, the processing of a large amount of high-toughness metal materials, hardened steel is more and more, therefore to machining tool
Propose requirement higher, it is very important class processing side to carry out grinding using the emery wheel etc. of cubic boron nitride
Method.Cubic boron nitride abrasive materials have that high rigidity, high-wearing feature, high-termal conductivity, resistance to elevated temperatures are good because of it, to iron group metal are in
The excellent mechanical performance such as inertia and be widely used in make super hard abrasive instrument.At present, made in cubic boron nitride tool
Field, soldering tech can realize enhanced primary treatment good between cubic boron nitride, bonding agent and metallic matrix interface, extensive
It is applied to make soldering simple cuboidal boron nitride grinding wheel.Cubic boron nitride tool has technological requirement very high to solder：1. it is
Make solder cubic boron nitride that good wetability is presented, should be containing alloying elements such as Ti, Al in solder, these elements can be with
Cubic boron nitride carries out interfacial reaction and forms nitride, boride, improves the wetability of solder cubic boron nitride；2. solder
Should have moderate intensity, hardness, wearability, it is possible to achieve cubic boron nitride abrasive grain going out in real time in Grinding Process
Dew.3. there should be high-temperature behavior higher because the processing of metal material can produce substantial amounts of grinding heat, solder.High-entropy alloy is
A kind of alloy with various constituent elements as base, its microstructure is mostly solid solution, due to the solution strengthening with multiple element, its
Hardness, intensity are higher, and solid solution has toughness higher, and braze-welding cubic nitridation is suitable to after containing certain active element
Boron.
The present invention uses Ni-Cr-B-Si, Cu powder, Al powder, the high-entropy alloy powder that Ti powder, Co powder are made through ball milling mixing
Used as solder, the regulation and control of solder composition are easy, low cost.The solder shows moderate hardness after brazing, can make a cube nitrogen
Change boron and good proud exposure is remained during emery wheel use, be conducive to the service life of raising instrument.Many pivots
High-entropy alloy forms solid solution after brazing, and improves the profit of solder cubic boron nitride by adding active element Al, Ti
Moist so that solder, cubic boron nitride, steel matrix obtain very strong adhesion, solder cubic boron nitride hold is high.Co、
The elements such as Cu, Ni can be good dissolve each other, and by regulating and controlling its content, can change brazing temperature, high-temperature behavior fits it
In braze-welding cubic boron nitride, the solder layer of high-entropy alloy has good toughness, plasticity, and relatively low effect on cutlage, extension makes
Use the life-span.
The content of the invention
The purpose of the present invention is that while the holding intensity of solder cubic boron nitride abrasive material is improved, solder has preferable
Toughness and intensity, simple cuboidal boron nitride grinding wheel is suitable to the highly-efficient processing to high-toughness material and hardened steel etc..Cause cube
Being difficult to of boron nitride abrasive materials soaks, and high-entropy alloy of the selection containing Ti, Al carries out soldering as solder cubic boron nitride, the solder
Containing certain active element Ti, Al, not only interfacial reaction, two kinds of active elements and cube nitrogen can be carried out with cubic boron nitride
Changing boron reaction can form the compounds such as TiN, TiB, AlN, and these reactions can promote the profit of solder cubic boron nitride abrasive particle
It is moist, holding intensity of the solder to abrasive particle is improved, and also high-entropy alloy is spread due to the collaboration of multicomponent and causes effectively diffusion speed
Degree is relatively slow, and cubic boron nitride can be made moderate with the interfacial reaction of solder, and high-entropy alloy of the invention is due to containing various differences
The metal powder of fusing point, can be done step-by-step alloying in heating process, finally reach high-entropy alloy, be fitted with hardness, wearability
Middle the characteristics of.
1. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel, mainly including following processing steps：
Step one, prepare cubic boron nitride abrasive wheel matrix using the method for machining, grinding wheel base body diameter 300mm ~
Between 1000mm.
Step 2, using Ni-Cr-B-Si, Cu powder, Al powder, the high-entropy alloy powder that Ti powder, Co powder are made through ball milling mixing
As the solder of soldering cubic boron nitride grinding wheel, wherein Ni-Cr-B-Si prealloy powder, Cu powder, Al powder, Ti powder, Co metal powders
Percentage by weight is：25~30：15~20：10~15：20~25：10~25；Various elements mass ratio composition in wherein Ni-Cr-B-Si
For：C is that 0.6 ~ 1.2%, Cr is that 12 ~ 15%, B is that 2.5 ~ 4.5%, Si is 3-4.5%, and Ni is 75 ~ 81%.Ball milling mixing is to use steel
Ball grinder processed carries out ball milling mixing, and abrading-ball therein is 3: 1 with metal powder mass ratio, opened after sealing vacuum valve vacuumize 20 ~
30 minutes, ball grinder is put into planetary ball mill, rotating speed is 260 ~ 300r/min, swings to 30 ~ 45Hz of frequency, carries out ball milling
Mixing time is 60 ~ 80 minutes.
Step 3, metal powder and pressure sensitive adhesive 1: 2.3 ~ 2.8 ratios by weight are mixed and made into solder slurries；
Step 4, solder slurries and cubic boron nitride abrasive grain are mixed in proportion coating it is fixed on grinding wheel base body surface；It is vertical
The granularity of square boron nitride abrasive grain is 120 ~ 450 μm, and the solder slurries thickness of coating is cubic boron nitride abrasive grain average grain diameter
95-125%.
Step 5, by bottom be cubic boron nitride abrasive wheel matrix, middle level be solder slurries, upper strata be cubic boron nitride abrasive grain
Sequentially built instrument molded blank；
Step 6, heating soldering is carried out to molded blank by the way of heating in vacuum, brazing temperature is 1120 DEG C ~ 1200 DEG C,
Vacuum<1∙10-3 Pa。
Specific embodiment
Embodiment 1
1. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel, mainly including following processing steps：
Step one, cubic boron nitride abrasive wheel matrix is prepared using the machined method of 45 steel, grinding wheel base body diameter is 500
mm。
Step 2, using Ni-Cr-B-Si, Cu powder, Al powder, the high-entropy alloy powder that Ti powder, Co powder are made through ball milling mixing
As the solder of soldering cubic boron nitride grinding wheel, wherein Ni-Cr-B-Si prealloy powder, Cu powder, Al powder, Ti powder, Co metal powders
Percentage by weight is：30：15：14：21：20；Various elements mass ratio composition is in wherein Ni-Cr-B-Si：C is 0.6 ~ 1.2%,
For 12 ~ 15%, B for 2.5 ~ 4.5%, Si is 3-4.5%, Ni is 75 ~ 81% to Cr.Ball milling mixing is to carry out ball milling using steel ball grinder
Mixing, abrading-ball therein is 3: 1 with metal powder mass ratio, vacuum valve is opened after sealing and is vacuumized 25 minutes, and ball grinder is put into
Planetary ball mill, rotating speed is 300r/min, swings to the Hz of frequency 40, carries out the ball mill mixing time for 70 minutes.
Step 3, metal powder and pressure sensitive adhesive 1: 2.5 ratio by weight are mixed and made into solder slurries；
Step 4, solder slurries and cubic boron nitride abrasive grain are mixed in proportion coating it is fixed on grinding wheel base body surface；It is vertical
The granularity of square boron nitride abrasive grain is 150 ~ 200 μm, and the solder slurries thickness of coating is cubic boron nitride abrasive grain average grain diameter
105%.
Step 5, by bottom be cubic boron nitride abrasive wheel matrix, middle level be solder slurries, upper strata be cubic boron nitride abrasive grain
Sequentially built instrument molded blank；
Step 6, heating soldering is carried out to molded blank by the way of heating in vacuum, brazing temperature is 1170 DEG C, vacuum<1
∙10-3 Pa。
Embodiment 2
1. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel, mainly including following processing steps：
Step one, cubic boron nitride abrasive wheel matrix is prepared using the machined methods of 65Mn, grinding wheel base body diameter exists
600mm。
Step 2, using Ni-Cr-B-Si, Cu powder, Al powder, the high-entropy alloy powder that Ti powder, Co powder are made through ball milling mixing
As the solder of soldering cubic boron nitride grinding wheel, wherein Ni-Cr-B-Si prealloy powder, Cu powder, Al powder, Ti powder, Co metal powders
Percentage by weight is：25：20：15：20：20；Various elements mass ratio composition is in wherein Ni-Cr-B-Si：C is 0.6 ~ 1.2%,
For 12 ~ 15%, B for 2.5 ~ 4.5%, Si is 3-4.5%, Ni is 75 ~ 81% to Cr.Ball milling mixing is to carry out ball milling using steel ball grinder
Mixing, abrading-ball therein is 3: 1 with metal powder mass ratio, vacuum valve is opened after sealing and is vacuumized 20 minutes, and ball grinder is put into
Planetary ball mill, rotating speed is 260r/min, swings to frequency 45Hz, carries out the ball mill mixing time for 80 minutes.
Step 3, metal powder and pressure sensitive adhesive 1: 2.8 ratio by weight are mixed and made into solder slurries；
Step 4, solder slurries and cubic boron nitride abrasive grain are mixed in proportion coating it is fixed on grinding wheel base body surface；It is vertical
The granularity of square boron nitride abrasive grain is 220 ~ 300 μm, and the solder slurries thickness of coating is cubic boron nitride abrasive grain average grain diameter
100%.
Step 5, by bottom be cubic boron nitride abrasive wheel matrix, middle level be solder slurries, upper strata be cubic boron nitride abrasive grain
Sequentially built instrument molded blank；
Step 6, heating soldering is carried out to molded blank by the way of heating in vacuum, brazing temperature is 1160 DEG C, vacuum<1
∙10-3 Pa。
Embodiment 3
1. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel, mainly including following processing steps：
Step one, using machining method prepare cubic boron nitride abrasive wheel matrix, grinding wheel base body diameter is in 700mm.
Step 2, using Ni-Cr-B-Si, Cu powder, Al powder, the high-entropy alloy powder that Ti powder, Co powder are made through ball milling mixing
As the solder of soldering cubic boron nitride grinding wheel, wherein Ni-Cr-B-Si prealloy powder, Cu powder, Al powder, Ti powder, Co metal powders
Percentage by weight is：25：15：15：20：25；Various elements mass ratio composition is in wherein Ni-Cr-B-Si：C is 0.6 ~ 1.2%,
For 12 ~ 15%, B for 2.5 ~ 4.5%, Si is 3-4.5%, Ni is 75 ~ 81% to Cr.Ball milling mixing is to carry out ball milling using steel ball grinder
Mixing, abrading-ball therein is 3: 1 with metal powder mass ratio, vacuum valve is opened after sealing and is vacuumized 30 minutes, and ball grinder is put into
Planetary ball mill, rotating speed is 280 r/min, swings to the Hz of frequency 30, carries out the ball mill mixing time for 60 minutes.
Step 3, metal powder and pressure sensitive adhesive 1: 2.3 ratio by weight are mixed and made into solder slurries；
Step 4, solder slurries and cubic boron nitride abrasive grain are mixed in proportion coating it is fixed on grinding wheel base body surface；It is vertical
The granularity of square boron nitride abrasive grain is 360 ~ 450 μm, and the solder slurries thickness of coating is cubic boron nitride abrasive grain average grain diameter
95%.
Step 5, by bottom be cubic boron nitride abrasive wheel matrix, middle level be solder slurries, upper strata be cubic boron nitride abrasive grain
Sequentially built instrument molded blank；
Step 6, heating soldering is carried out to molded blank by the way of heating in vacuum, brazing temperature is 1140 DEG C, vacuum<1
∙10-3 Pa。
Claims (6)
1. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel, it is characterised in that described preparation method
Including following processing steps：
Step one, using machining method prepare cubic boron nitride abrasive wheel matrix；
Step 2, the high-entropy alloy powder being made through ball milling mixing using Ni-Cr-B-Si+Cu+Al+Ti+Co metal powders are as pricker
Weld the solder of cubic boron nitride abrasive wheel, described Ni-Cr-B-Si prealloy powder, Cu powder, Al powder, Ti powder, the weight of Co metal powders
Percentage is：25~30：15~20：10~15：20~25：10~25；
Step 3, metal powder and pressure sensitive adhesive are mixed and made into solder slurries by a certain percentage；
Step 4, solder slurries and cubic boron nitride abrasive grain are mixed in proportion coating it is fixed on grinding wheel base body surface；
Step 5, it is that cubic boron nitride abrasive wheel matrix, middle level are suitable for cubic boron nitride abrasive grain solder slurries, upper strata by bottom
Sequence tools molded blank；
Step 6, heating soldering is carried out to molded blank by the way of heating in vacuum, brazing temperature is 1120 DEG C ~ 1200 DEG C.
2. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel according to claim 1, its feature
It is：Various elements mass ratio composition is in described Ni-Cr-B-Si：C be 0.6 ~ 1.2%, Cr be 12 ~ 15%, B be 2.5 ~
4.5%, Si are 3-4.5%, and Ni is 75 ~ 81%.
3. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel according to claim 1, its feature
It is：Described ball milling mixing is to carry out ball milling mixing using steel ball grinder, and abrading-ball therein is 3 with metal powder mass ratio:
1, vacuum valve is opened after sealing and is vacuumized 20 ~ 30 minutes, ball grinder is put into planetary ball mill, rotating speed is 260 ~ 300 r/
Min, swings to the Hz of frequency 30 ~ 45, carries out the ball mill mixing time for 60 ~ 80 minutes.
4. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel according to claim 1, its feature
It is：Described solder slurries are well mixed with 1: 2.3 ~ 2.8 mass ratios with pressure sensitive adhesive by metal powder and are made.
5. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel according to claim 1, its feature
It is：The granularity of described cubic boron nitride abrasive grain is 120 ~ 450 μm, and the solder slurries thickness of coating is cubic boron nitride mill
The 95-125% of grain average grain diameter.
6. a kind of preparation method of heating in vacuum soldering simple cuboidal boron nitride grinding wheel according to claim 1, its feature
It is：The mode of described heating in vacuum, vacuum<1∙10-3 Pa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210877.7A CN106863158B (en) | 2017-03-31 | 2017-03-31 | A kind of method of vacuum brazing cubic boron nitride abrasive wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210877.7A CN106863158B (en) | 2017-03-31 | 2017-03-31 | A kind of method of vacuum brazing cubic boron nitride abrasive wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106863158A true CN106863158A (en) | 2017-06-20 |
| CN106863158B CN106863158B (en) | 2018-12-07 |
Family
ID=59161140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710210877.7A Active CN106863158B (en) | 2017-03-31 | 2017-03-31 | A kind of method of vacuum brazing cubic boron nitride abrasive wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106863158B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118338A (en) * | 2018-01-04 | 2018-06-05 | 苏州科技大学 | A kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating |
| CN108908148A (en) * | 2018-06-26 | 2018-11-30 | 苏州科技大学 | A kind of production method of high-entropy alloy soldering cubic boron nitride grinding wheel |
| CN109623681A (en) * | 2018-12-21 | 2019-04-16 | 华侨大学 | A kind of preparation process of brazed diamond tool |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2432544A1 (en) * | 1978-08-01 | 1980-02-29 | G Pi | Abrasive material with metallic binder for cutting tools - esp. diamond powder moulded with binder contg. gallium, nickel, and tin, and producing exceptionally high cutting speeds |
| CN1852796A (en) * | 2003-07-25 | 2006-10-25 | 宋健民 | Superabrasive wire saw and associated methods of manufacture |
| CN101204794A (en) * | 2007-12-03 | 2008-06-25 | 南京航空航天大学 | High temperature soldering CBN grinding wheel used metal combination dose layer material adding rare earths La |
| CN101554685A (en) * | 2009-05-15 | 2009-10-14 | 西安理工大学 | High-entropy alloy solder used for welding copper and aluminum and preparation method thereof |
| CN101590574A (en) * | 2009-06-29 | 2009-12-02 | 西安理工大学 | Be used to weld TA2 and 0Cr18Ni9Ti high-entropy alloy solder and preparation method thereof |
| CN101890593A (en) * | 2010-07-23 | 2010-11-24 | 安泰科技股份有限公司 | Nickel-based brazing material for brazed diamond tool and preparation method thereof |
| CN103121845A (en) * | 2013-02-06 | 2013-05-29 | 燕山大学 | Cubic boron nitride sintering body and preparation method thereof |
| CN104099509A (en) * | 2014-08-07 | 2014-10-15 | 四川建筑职业技术学院 | High-entropy alloy and preparation method thereof |
| CN105195845A (en) * | 2015-09-18 | 2015-12-30 | 河南理工大学 | Manufacturing method of copper-based brazing filler metal laser brazing cubic boron nitride grinding particles |
| CN105414692A (en) * | 2016-01-11 | 2016-03-23 | 苏州科技学院 | Manufacturing method of polycrystalline cubic boron nitride cutter achieved through high-frequency induction heating brazing |
| CN105499729A (en) * | 2016-01-11 | 2016-04-20 | 苏州科技学院 | Vacuum brazing method of polycrystalline cubic boron nitride |
| CN105619272A (en) * | 2016-01-11 | 2016-06-01 | 苏州科技学院 | Method for manufacturing single-layer diamond grinding wheel in laser brazing manner |
| CN105618883A (en) * | 2016-01-11 | 2016-06-01 | 苏州科技学院 | Manufacturing method for vacuum-brazed monolayer cBN (cubic Boron Nitride) grinding wheel |
-
2017
- 2017-03-31 CN CN201710210877.7A patent/CN106863158B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2432544A1 (en) * | 1978-08-01 | 1980-02-29 | G Pi | Abrasive material with metallic binder for cutting tools - esp. diamond powder moulded with binder contg. gallium, nickel, and tin, and producing exceptionally high cutting speeds |
| CN1852796A (en) * | 2003-07-25 | 2006-10-25 | 宋健民 | Superabrasive wire saw and associated methods of manufacture |
| CN101204794A (en) * | 2007-12-03 | 2008-06-25 | 南京航空航天大学 | High temperature soldering CBN grinding wheel used metal combination dose layer material adding rare earths La |
| CN101554685A (en) * | 2009-05-15 | 2009-10-14 | 西安理工大学 | High-entropy alloy solder used for welding copper and aluminum and preparation method thereof |
| CN101590574A (en) * | 2009-06-29 | 2009-12-02 | 西安理工大学 | Be used to weld TA2 and 0Cr18Ni9Ti high-entropy alloy solder and preparation method thereof |
| CN101890593A (en) * | 2010-07-23 | 2010-11-24 | 安泰科技股份有限公司 | Nickel-based brazing material for brazed diamond tool and preparation method thereof |
| CN103121845A (en) * | 2013-02-06 | 2013-05-29 | 燕山大学 | Cubic boron nitride sintering body and preparation method thereof |
| CN104099509A (en) * | 2014-08-07 | 2014-10-15 | 四川建筑职业技术学院 | High-entropy alloy and preparation method thereof |
| CN105195845A (en) * | 2015-09-18 | 2015-12-30 | 河南理工大学 | Manufacturing method of copper-based brazing filler metal laser brazing cubic boron nitride grinding particles |
| CN105414692A (en) * | 2016-01-11 | 2016-03-23 | 苏州科技学院 | Manufacturing method of polycrystalline cubic boron nitride cutter achieved through high-frequency induction heating brazing |
| CN105499729A (en) * | 2016-01-11 | 2016-04-20 | 苏州科技学院 | Vacuum brazing method of polycrystalline cubic boron nitride |
| CN105619272A (en) * | 2016-01-11 | 2016-06-01 | 苏州科技学院 | Method for manufacturing single-layer diamond grinding wheel in laser brazing manner |
| CN105618883A (en) * | 2016-01-11 | 2016-06-01 | 苏州科技学院 | Manufacturing method for vacuum-brazed monolayer cBN (cubic Boron Nitride) grinding wheel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108118338A (en) * | 2018-01-04 | 2018-06-05 | 苏州科技大学 | A kind of method of high-frequency induction heating cladding TiC enhancings high-entropy alloy coating |
| CN108908148A (en) * | 2018-06-26 | 2018-11-30 | 苏州科技大学 | A kind of production method of high-entropy alloy soldering cubic boron nitride grinding wheel |
| CN108908148B (en) * | 2018-06-26 | 2020-05-22 | 苏州科技大学 | Manufacturing method of high-entropy alloy brazing cubic boron nitride grinding wheel |
| CN109623681A (en) * | 2018-12-21 | 2019-04-16 | 华侨大学 | A kind of preparation process of brazed diamond tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106863158B (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106976023B (en) | A kind of method of induction heating high-entropy alloy Furnace Brazing of Diamond Grinding Wheel With Ni | |
| CN102059423B (en) | Method for manufacturing diamond tool with self-lubrication function | |
| CN105618883B (en) | A kind of preparation method of vacuum brazing simple cuboidal boron nitride grinding wheel | |
| CN105624505B (en) | A kind of Metal Substrate super-hard compound material and preparation method thereof | |
| CN107012347B (en) | A kind of high-entropy alloy sintered diamond locking nub | |
| CN105619272B (en) | A kind of production method of laser Furnace Brazing of Diamond Grinding Wheel With Ni | |
| CN103231064B (en) | Manufacturing method for novel nickel base solder brazing monolayer diamond grinding wheel | |
| CN106863158B (en) | A kind of method of vacuum brazing cubic boron nitride abrasive wheel | |
| CN106985085A (en) | A kind of metal anchoring agent diamond wheel | |
| CN1318185C (en) | Vacuum brazing method for preparing metal based ultrathin cutting piece made from diamond | |
| CN108655524B (en) | Method for low-temperature brazing of cubic boron nitride abrasive particles | |
| CN105499729A (en) | Vacuum brazing method of polycrystalline cubic boron nitride | |
| CN104690658A (en) | Preparation process for self-lubricating metal-bonded CBN (cubic boron nitride) grinding wheel | |
| CN107838417B (en) | A kind of iron Al-based agent diamond tool and preparation method thereof | |
| CN111299905A (en) | Composite brazing filler metal containing WC and ZrC simultaneously, preparation method thereof and brazing method | |
| CN110981497A (en) | High-thermal-conductivity and high-wear-resistance silicon nitride ceramic and preparation method and application thereof | |
| JP5971472B2 (en) | Hard material, manufacturing method of hard material, cutting tool and friction stir welding tool | |
| JP2014077174A (en) | Hard material, method for manufacturing hard material, cutting tool, and friction stir welding tool | |
| JPS627149B2 (en) | ||
| TWI518185B (en) | Composite of carbide cermet/blending metal | |
| CN111250807A (en) | Diamond tool and preparation method thereof | |
| JP2001062601A (en) | Hard tool | |
| CN106031956A (en) | Welding process of cubic boron nitride soldering materials | |
| JP5358968B2 (en) | Metal bond grinding wheel | |
| JP5127007B1 (en) | Method for non-peeling metal coating on diamond surface by chemical reaction |
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 |