CN106041768B - A kind of method that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool - Google Patents
A kind of method that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool Download PDFInfo
- Publication number
- CN106041768B CN106041768B CN201610365045.8A CN201610365045A CN106041768B CN 106041768 B CN106041768 B CN 106041768B CN 201610365045 A CN201610365045 A CN 201610365045A CN 106041768 B CN106041768 B CN 106041768B
- Authority
- CN
- China
- Prior art keywords
- ultrasonic wave
- abrasive particle
- bonding agent
- tool
- temperature
- 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.)
- Active
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
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The present invention provides a kind of methods that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool, include the following steps：A, the tool base for having been coated with active bonding agent and abrasive particle is fixed on ultrasonic variable amplitude bar；B, soldering heat temperature raising technological operation is carried out to tool base, the first ultrasonic wave is applied to tool base after active bonding agent reaches fusion temperature, promotes the chemical bonding of active bonding agent and abrasive particle interface and wetting climbing effect using ultrasonic wave effect；C, after the completion of work technique to be heated up, stop applying the first ultrasonic wave, when temperature drops to the liquid of active bonding agent and consolidates conversion temperature when bonding pad, restart to apply the second ultrasonic wave to tool base, the high-frequency vibration of the second ultrasonic wave is utilized to carry out cooling procedure thermal stress release；D, stop processing after temperature is reduced to active bonding agent temperature after bonding pad, millgrain tool is obtained after being further cooled to room temperature.
Description
Technical field
The present invention relates to millgrain tool technology of preparing, concretely relates to a kind of ultrasonic wave auxiliary activity connection and prepares abrasive particle
The method of instrument.
Background technology
Diamond tool is with its excellent grinding characteristic such as efficient, stable, durable, in natural rock, engineering ceramics, semiconductor
The support function that can not be substituted is played in efficient and accurate grinding processing etc. hard brittleness difficult-to-machine material.Diamond tool is
Numerous diamond abrasive grains under being held using bonding agent are realized countless micro-cuttings and then complete workpiece material and removed.How effectively
Hold the research emphasis that abrasive particle is always industry.In the nineties in last century, Polytechnics of India professor
A.K.Chattopdhyay proposition soldering tech first makes diamond form chemical metallurgy with active solder interface at high temperature
With reference to realize secured holding of the bonding agent to diamond, and carry out brazed abrasive wheel and made to evaluate with grinding.Doctor
The strong hold of abrasive particle is higher by between sword degree and abrasive particle great Rong and considers advantage to be worth doing and thoroughly avoids tradition plating, the handle of sintered diamond tool
Hold deficiency, it is low go out sword, easily block and easily burn the problems such as, while abrasive grain placement controllably make industry be intended to actively construct for many years it is sharp keen
The dream of tool work landforms is achieved.For this purpose, industry once height be described as the revolutionary character in abrasive techniques field into
Fruit becomes the study frontier of super hard abrasive technical field of tools.
It is undoubtedly soul-stirring using acquired achievement in research in advance to be brazed abrasive particle technology, but in popularization and application
Problems are exposed, wherein most prominent is exactly a little to be brazed abrasive particle heel and toe wear failure at high proportion occur, are caused a large amount of
Abrasive particle directly loses cutting power, and final initiation instrument is scrapped in advance.Also Just because of this, it is brazed the application range of abrasive particle technology
It is far from the expection for reaching people.Numerous researchs show to cause the high temperature thermal damage for having its source in brazing process of this problem
It is excessive caused with postwelding residual stress.Therefore research is found, for this purpose, domestic and international researcher has also carried out many improvement：Using low
Temperature solder directly reduces brazing temperature；Optimization soldering heating process, shortens diamond exposure duration at high temperature as far as possible；In gold
Hard rock coating surface Ti, Cr, diamond-film-like etc.；Carry out post weld heat treatment.Nevertheless, numerous statistics are still shown：
Brazed diamond tool in use, three/once more than abrasive particle be not engaged in cutting task premature failure substantially, cause to process
Process is unstable, life tools are too short, becomes soldering diamond techniques field and drags pending technology and process difficulties long.
Unquestionably, the above problem seriously restricts the popularization of soldering millgrain tool application.
The content of the invention
Abrasive particle is connected by ultrasonic wave auxiliary activity it is an object of the invention to overcome the deficiencies of the prior art and provide one kind
The method for preparing high-performance millgrain tool.
In order to solve the technical issues of above-mentioned, the present invention provides a kind of ultrasonic wave auxiliary activity connections to prepare super-hard abrasive
The method of instrument, includes the following steps：
A, the tool base for having been coated with active bonding agent and abrasive particle is fixed on ultrasonic variable amplitude bar；
B, soldering heat temperature raising technological operation is carried out to tool base, to instrument after active bonding agent reaches fusion temperature
Matrix applies the first ultrasonic wave, using ultrasonic wave effect active bonding agent is promoted to climb with the chemical bonding at abrasive particle interface and wetting
Effect；
C, after the completion of work technique to be heated up, stop applying the first ultrasonic wave, when bonding pad, temperature drops to active bonding agent
When liquid consolidates conversion temperature, restart to apply the second ultrasonic wave to tool base, be carried out using the high-frequency vibration of the second ultrasonic wave
Cooling procedure thermal stress discharges；
D, stop processing after temperature is reduced to active bonding agent temperature after bonding pad, obtained after being further cooled to room temperature
To millgrain tool.
In a preferred embodiment：First ultrasonic wave, the vibration frequency of the second ultrasonic wave are 20~100kHz, work(
Rate is 30~1600W, and ultrasonic variable amplitude bar end amplitude is 3-20um.
In a preferred embodiment：The frequency of first ultrasonic wave is 28kHz, power 500w, ultrasonic variable amplitude bar
End amplitude is 3um.
In a preferred embodiment：The frequency of second ultrasonic wave is 28khz, power 80w, ultrasonic variable amplitude bar end
End amplitude is 9um.
In a preferred embodiment：The thickness of the activity bonding agent is 0.3-1.5 times of abrasive grain diameter.
In a preferred embodiment：The abrasive particle closes for diamond or cubic boron nitride or aluminium oxide or carborundum or hard
Gold grain.
In a preferred embodiment：The active bonding agent refers to containing the alloyed powder that can be chemically bonded with abrasive particle
End.
In a preferred embodiment：The active bonding agent is NiCrBSi or NiCrP or AgCuTi.
In a preferred embodiment：The coating is first to coat active bonding agent on the tool base, then by abrasive particle
Coated on active bonding agent；Or it is coated on the tool base after being mixed together active bonding agent and abrasive particle.
Compared to the prior art, the present invention possesses following advantageous effect：
In the present invention, when active bonding agent connects abrasive particle, by ultrasonic wave ancillary vibration, promote active bonding agent powder
Fusing and bonding, accelerate liquid state molten pool；And then void effect is suppressed by ultrasonic wave, promote fused solution activity bonding agent stream
It is dynamic, solid-liquid surface tension is reduced, abrasive particle/bonding agent surface chemistry is promoted to connect to be formed, bonding agent is accelerated to climb abrasive particle, so as to contract
Short abrasive particle is exposed to the high-temperature region time, shortens abrasive particle chemical attack.
In the present invention, molten state and liquid/solid conversion stage are in solder, is stirred using ultrasonic wave high frequency and prevents crystal grain long
Big and crystal grain thinning alleviates structural stress；Initial high temperature phase after solder solidification carries out high by ultrasonic wave high-frequency vibration
Warm vibration stress relief treatment promotes brazing filler metal alloy that creep occurs and micro- yield spread, relief of thermal stress, to be reduced from source occurs
The formation of residual stress.
The implementation of Pass through above-mentioned technical proposal, working life and wear-resistant energy using the millgrain tool of inventive method making
Power substantially exceeds the instrument more made than the prior art.
Description of the drawings
Fig. 1 is the schematic diagram of abrasive grain matrix and ultrasonic amplitude transformer before ultrasonic Wave heating；
Fig. 2 is heating process ultrasonic pressing schematic diagram；
Fig. 3 is to obtain the schematic diagram of soldering millgrain tool after cooling down；
Fig. 4 is that the millgrain tool of the millgrain tool and conventional method preparation prepared using this method passes through certain processing capacity
Afterwards, active grain number change graph；
In figure：1 abrasive particle, 2 active bonding agents, 3 tool bases, 4 ultrasonic amplitude transformers, 5 ultrasonic waves, the ultrasonic wave on 6 workpiece
Specific embodiment
The present invention is further described in detail with reference to the accompanying drawings and embodiments.
In order to solve existing for existing soldering millgrain tool technology, thermal damage, residual stress are excessive to cause soldering to be ground to the present invention
The deficiency that grain instrument can not work normally, provides a kind of method that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool, with
Prior art problem is solved with ultrasonic wave correlation effect.
The method that the ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool, first, as shown in Figure 1, by Buddha's warrior attendant
Coated in tool base (No. 45 steel) 3, the thickness of active bonding agent 2 is abrasive particle for stone mill grain 1 and NiCrBSi activity bonding agent 2
0.3 times of diameter, after drying, by the abrasive grain matrix 3 for having been coated with abrasive particle 1 and bonding agent 2 be connected through a screw thread form be fixed on it is super
On sound ultrasonic transformer 4.
Then, as shown in Fig. 2, being heated to tool base 3, after active bonding agent reaches fusion temperature (970 DEG C)
Start the first ultrasonic wave (frequency 28khz, ultrasonic transformer end amplitude 3um, power 80w), vibration is converted and passed by ultrasonic transformer
It is delivered in tool base 3 so that ultrasonic vibration occurs for molten state activity bonding agent 2, until 3 temperature of tool base reaches 1020 DEG C
And 10 seconds are kept the temperature, promote active bonding agent 2 and the chemical bonding at 1 interface of abrasive particle using ultrasonic wave effect during this section of heating
With wetting climbing effect；It waits after keeping the temperature, stopping the first ultrasonic wave and applying, tool base 3 enters temperature-fall period, and temperature starts
Continuously decrease, treat that the bonding pad temperature of tool base drops to active bonding agent 2 and is converted into solid conversion temperature by liquid ---
At 970 DEG C, restart to apply the second ultrasonic wave (frequency 28khz, ultrasonic transformer end amplitude 9um, power to abrasive grain matrix 3
500w), the thermal stress that cooling procedure is carried out using ultrasonic wave high frequency energy oscillations is discharged；
Finally, when temperature is reduced to 350 DEG C of active 2 temperature of bonding agent when bonding pad, stops processing, further cool down
Millgrain tool is obtained after to room temperature, as shown in Figure 3.
Above-mentioned coating can first be coated in active bonding agent 2 in tool base 3, then diamond abrasive grain 1 is coated
On active bonding agent 2；Or coated in tool base 3 after active bonding agent 2 and diamond abrasive grain 1 are mixed together.
Fig. 4 shows that the millgrain tool of the millgrain tool prepared using the present invention and conventional method preparation is processed by certain
After amount, the comparative graph in terms of Effective grains' number, it is obvious that the millgrain tool just prepared in aforementioned manners,
After a certain amount of processing, the decline of the quantity of active grain is not obvious, and millgrain tool prepared by conventional method its have
Significantly declining occurs in the quantity of effect abrasive particle.
Therefore, the implementation of Pass through above-mentioned technical proposal, the working life of the millgrain tool made of inventive method and anti-
Wear resistance substantially exceeds the made instrument of the prior art.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (9)
1. a kind of method that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool, it is characterised in that include the following steps：
A, the tool base for having been coated with active bonding agent and abrasive particle is fixed on ultrasonic variable amplitude bar；
B, soldering heat temperature raising technological operation is carried out to tool base, to tool base after active bonding agent reaches fusion temperature
Apply the first ultrasonic wave, promote the chemical bonding of active bonding agent and abrasive particle interface using ultrasonic wave effect and wetting is climbed effect
It should；
C, after the completion of work technique to be heated up, stop applying the first ultrasonic wave, when bonding pad, temperature drops to the liquid of active bonding agent and consolidates
During conversion temperature, restart to apply the second ultrasonic wave to tool base, be cooled down using the high-frequency vibration of the second ultrasonic wave
Process thermal stress discharges；
D, stop processing after temperature is reduced to active bonding agent temperature after bonding pad, ground after being further cooled to room temperature
Grain instrument.
2. the method that a kind of ultrasonic wave auxiliary activity connection according to claim 1 prepares super-hard abrasive particle tool, feature
It is：First ultrasonic wave, the vibration frequency of the second ultrasonic wave are 20~100kHz, and power is 30~1600W, ultrasonic wave
Ultrasonic transformer end amplitude is 3-20um.
3. the method that a kind of ultrasonic wave auxiliary activity connection according to claim 2 prepares super-hard abrasive particle tool, feature
It is：The frequency of first ultrasonic wave is 28kHz, power 500w, and ultrasonic variable amplitude bar end amplitude is 9um.
4. the method that a kind of ultrasonic wave auxiliary activity connection according to claim 2 prepares super-hard abrasive particle tool, feature
It is：The frequency of second ultrasonic wave is 28khz, power 80w, and ultrasonic variable amplitude bar end amplitude is 3um.
5. the method that a kind of ultrasonic wave auxiliary activity connection according to claim 1 prepares super-hard abrasive particle tool, feature
It is：The thickness of the activity bonding agent is 0.3-0.8 times of abrasive grain diameter.
6. the method that a kind of ultrasonic wave auxiliary activity connection according to claim 1 prepares super-hard abrasive particle tool, feature
It is：The abrasive particle is diamond or cubic boron nitride or aluminium oxide or carborundum or hard alloy particle.
7. the method that a kind of ultrasonic wave auxiliary activity connection according to claim 1 prepares super-hard abrasive particle tool, feature
It is：The active bonding agent refers to containing the alloy powder that can be chemically bonded with abrasive particle.
8. the method that a kind of ultrasonic wave auxiliary activity connection according to claim 7 prepares super-hard abrasive particle tool, feature
It is：The active bonding agent is NiCrBSi or NiCrP or AgCuTi.
9. the method that a kind of ultrasonic wave auxiliary activity connection according to claim 1 prepares super-hard abrasive particle tool, feature
It is：The coating is first to coat active bonding agent on the tool base, then abrasive particle is coated on active bonding agent；Or
It is to be coated on the tool base after being mixed together active bonding agent and abrasive particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610365045.8A CN106041768B (en) | 2016-05-27 | 2016-05-27 | A kind of method that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610365045.8A CN106041768B (en) | 2016-05-27 | 2016-05-27 | A kind of method that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106041768A CN106041768A (en) | 2016-10-26 |
| CN106041768B true CN106041768B (en) | 2018-05-25 |
Family
ID=57174960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610365045.8A Active CN106041768B (en) | 2016-05-27 | 2016-05-27 | A kind of method that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106041768B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346169B (en) * | 2016-11-14 | 2018-08-21 | 江苏科技大学 | Paste solder, preparation method and the application of diamond are brazed in air |
| CN111168591B (en) * | 2020-01-17 | 2021-09-03 | 深圳大学 | Diamond grinding tool and preparation method thereof |
| CN113696110B (en) * | 2021-08-30 | 2022-08-05 | 南京航空航天大学 | Device and method for ultrasonically brazing superhard abrasive grinding wheel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1442267A (en) * | 2003-02-27 | 2003-09-17 | 哈尔滨工业大学 | High efficiency aluminium base composite material liquid phase vibrating welding method |
| WO2002076737A9 (en) * | 2001-03-21 | 2004-05-27 | Forward Technology Ind Inc | Method and apparatus for linear vibration welding |
| CN102260088A (en) * | 2011-06-28 | 2011-11-30 | 哈尔滨工业大学 | Low-stress low-temperature ceramic brazing method |
| CN102658411A (en) * | 2012-05-24 | 2012-09-12 | 哈尔滨工业大学 | Ultrasonic brazing method for high-volume-fraction silicon carbide particle enhanced aluminum-base composite and low-expansion alloy |
| CN105414800A (en) * | 2016-01-11 | 2016-03-23 | 苏州科技学院 | High-frequency-induction-heating ultrasonic-vibration-assisting preparing method of single-layer-diamond brazed grinding wheel |
| CN105522244A (en) * | 2015-12-29 | 2016-04-27 | 哈尔滨工业大学 | Ultrasonic-assisted low-temperature glass brazing method |
-
2016
- 2016-05-27 CN CN201610365045.8A patent/CN106041768B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002076737A9 (en) * | 2001-03-21 | 2004-05-27 | Forward Technology Ind Inc | Method and apparatus for linear vibration welding |
| CN1442267A (en) * | 2003-02-27 | 2003-09-17 | 哈尔滨工业大学 | High efficiency aluminium base composite material liquid phase vibrating welding method |
| CN102260088A (en) * | 2011-06-28 | 2011-11-30 | 哈尔滨工业大学 | Low-stress low-temperature ceramic brazing method |
| CN102658411A (en) * | 2012-05-24 | 2012-09-12 | 哈尔滨工业大学 | Ultrasonic brazing method for high-volume-fraction silicon carbide particle enhanced aluminum-base composite and low-expansion alloy |
| CN105522244A (en) * | 2015-12-29 | 2016-04-27 | 哈尔滨工业大学 | Ultrasonic-assisted low-temperature glass brazing method |
| CN105414800A (en) * | 2016-01-11 | 2016-03-23 | 苏州科技学院 | High-frequency-induction-heating ultrasonic-vibration-assisting preparing method of single-layer-diamond brazed grinding wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106041768A (en) | 2016-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105414800B (en) | High-frequency induction heating ultrasonic vibration aids in mono-layer diamond brazed abrasive wheel preparation method | |
| CN106041768B (en) | A kind of method that ultrasonic wave auxiliary activity connection prepares super-hard abrasive particle tool | |
| CN105856078B (en) | A kind of self-sharpening sintered abrasive grain preparation method and purposes | |
| JP5927685B2 (en) | Cutting tools | |
| Huang et al. | Fundamental aspects of ultrasonic assisted induction brazing of diamond onto 1045 steel | |
| CN106976023B (en) | A kind of method of induction heating high-entropy alloy Furnace Brazing of Diamond Grinding Wheel With Ni | |
| CN107009039A (en) | One kind is with weldering ultrasonic vibration installation and method | |
| CN105855655B (en) | The heating of ultrasonic wave auxiliary induction prepares the application method of the device of soldering millgrain tool | |
| WO2013150610A1 (en) | Sintered cubic boron nitride tool | |
| CN105619272B (en) | A kind of production method of laser Furnace Brazing of Diamond Grinding Wheel With Ni | |
| CN104070614B (en) | Fixed abrasive scroll saw and preparation method thereof | |
| CN108330492B (en) | A kind of preparation method of Cu crystallizer surface covering | |
| CN108838504A (en) | It is a kind of for spread connection silicon carbide ceramics composite interlayer and its Joining Technology | |
| CN109848426A (en) | Diamond core boring bit preparation method and diamond core boring bit material | |
| CN110280765A (en) | A kind of diamond tool preparation method based on laser gain material manufacturing technology | |
| WO2015061295A1 (en) | Flux-less direct soldering by ultrasonic surface activation | |
| CN110396688A (en) | A kind of preparation method of diamond tool | |
| Zhang et al. | Impact of ultrasonic vibration on microstructure and mechanical properties of diamond in laser brazing with Ni–Cr filler alloy | |
| CN109365985A (en) | A kind of ultrasonic wave added welding method of the enhancing aluminum-base composite material by silicon carbide particles of pure Zn as intermediate reaction material layer | |
| CN205764315U (en) | A kind of ultrasonic assistant sensing preheating laser braze welding prepares the device of abrasive particle grinding wheel | |
| CN109773673A (en) | A kind of preparation method of Technique of Vitrified Diamond Wheels | |
| CN107900920A (en) | A kind of porous surface diamond abrasive for high efficient grinding and preparation method thereof | |
| JP2012096934A (en) | Cubic boron nitride sintered compact tool | |
| CN108890061B (en) | Diamond tool welding method | |
| EP2403684B1 (en) | Grinding pin |
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 |