CN108788770A - Cubic boron nitride blade processes the improvement method and device in service life - Google Patents
Cubic boron nitride blade processes the improvement method and device in service life Download PDFInfo
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- CN108788770A CN108788770A CN201810603148.2A CN201810603148A CN108788770A CN 108788770 A CN108788770 A CN 108788770A CN 201810603148 A CN201810603148 A CN 201810603148A CN 108788770 A CN108788770 A CN 108788770A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P25/00—Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress
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Abstract
The invention discloses improvement methods and device that a kind of cubic boron nitride blade processes the service life, wherein method includes：By CBN cutter holdings between first the second magnetic pole of magnetic pole of magnetizing assembly, wherein the magnetic polarity of the first magnetic pole and the second magnetic pole is opposite；Start direct current pulse power source, and after inputting the predetermined number of pulse for presetting action time to magnetizing assembly, stops direct current pulse power source preset time；And after repeated priming direct current pulse power source preset times, complete to CBN cutter magnetization treatments.This method can carry out magnetization treatment to cutter so that effectively reduce cutter interior residual stress, and improve the abrasion resistance of cutter, and then improve cutting-tool's used life, achieve the effect that cost efficiency.
Description
Technical field
The present invention relates to metal working technical area, more particularly to a kind of raising side in cubic boron nitride blade processing service life
Method and device.
Background technology
In metal processing sectors, the performance and its service life of cutter how are promoted, is always that mechanical processing industry is universal
One of Important Problems of concern.On the one hand, cutter price is more expensive；On the other hand, the intensity and wear resistance of cutter itself
Can, dimensional accuracy and processing efficiency to work piece serve conclusive.The intensity for improving cutter itself, extends cutter
Service life advantageously reduces frequent number of changing knife in process, reduces cutter dismounting, polishes the consumed time,
Processing efficiency is virtually improved, production and processing cost is reduced for enterprise.On this basis, the raising of cutter self-strength, makes
It obtains abrasion resistance properties to increase, advantageously reduces the scale error of work piece, especially in the process of long axis products, by
Mismachining tolerance caused by abrasion in cutter.
Currently, improving cutting-tool's used life there are mainly two types of method, first is to improve the processing environment of cutter, including wind
The methods of cold, cutting fluid, batch processed, although having certain effect to improving cutting-tool's used life, this method is in reality
There is certain limitation in production process；Second is the performance for improving cutter, mainly right by following three aspects at this stage
The performance of cutter is improved：In a first aspect, optimization cutter structure, improves Tool in Cutting performance.Cutter structure is optimized
Method, belong to the achievement in research of comparative maturity, but improving cutter life, improve in the effect of cutting performance relatively
Difference；Second aspect, tool surface coating treatment.It can be obviously improved the performance of cutter, improve cutting-tool's used life, reduce cutter
Diffusion between workpiece and chemical reaction, and then the abrasion of matrix is reduced, but the equipment needed for coating treatment is expensive, cutter
Cost is also with raising；The third aspect researches and develops cutter using new material.Using NEW TYPES OF TOOL MATERIALS, cutter is being improved
There is good advantage in terms of energy, processing precision of products and service life, but R&D cycle length, cost of manufacture are high.
In the related technology, is being improved to the method that cutter structure optimizes cutter life, is improving cutting performance
Relatively poor in effect, tool surface does the costliness of the equipment needed for coating treatment, and the cost of cutter increases, using new-type cutter material
The shortcomings of R&D cycle of material is long, cost of manufacture is high.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide the improvement method that a kind of cubic boron nitride blade processes the service life, it should
Method can carry out magnetization treatment to cutter so that and cutter interior residual stress is effectively reduced, and improves the abrasion resistance of cutter,
And then cutting-tool's used life is improved, achieve the effect that cost efficiency.
It is another object of the present invention to propose a kind of raising device in cubic boron nitride blade processing service life.
In order to achieve the above objectives, one aspect of the present invention embodiment proposes a kind of carrying for cubic boron nitride blade processing service life
High method, includes the following steps：By CBN cutter holdings between first the second magnetic pole of magnetic pole of magnetizing assembly, wherein the first magnetic
The polarity of pole and the second magnetic pole is opposite；Start direct current pulse power source, and action time is preset being inputted to the magnetizing assembly
After predetermined number of pulse, stop the direct current pulse power source preset time；Default time of the direct current pulse power source described in repeated priming
After number, complete to the CBN cutters magnetization treatment.
The improvement method in the cubic boron nitride blade processing service life of the embodiment of the present invention, by using spy under room temperature environment
The electromagnetism intensive treatment for determining the cutter of electromagnetic field progress has and does not change that cutter appearance and size, effectively to reduce cutter interior residual
Residue stress, improves the advantages that cutting-tool's used life and its fringe cost are smaller at the wear resistance for improving cutter, while can be with
Reduce cutter cost, improve processing efficiency, have the characteristics that it is bulk modified, without deform, appearance it is indeclinable, it is green in processing procedure
Colour circle is protected, and chemical agent, complete zero-emission are not related to.
In addition, the improvement method in cubic boron nitride blade processing service life according to the above embodiment of the present invention can also have
Additional technical characteristic below：
Further, in one embodiment of the invention, the magnetizing assembly further includes coil and ferrite core, and institute
Magnetizing assembly is stated with the direct current pulse power source to be connected.
Optionally, in one embodiment of the invention, the default action time is 0.5 to 3s, and described default
Number is 40 to 90, and the preset time is 1 to 3s, and the preset times are 3 to 5 times.
Optionally, in one embodiment of the invention, second magnetic pole of the first magnetic pole is made of Ferrite Material.
Optionally, in one embodiment of the invention, the CBN cutters include inserted CBN cutters, combined type CBN
Any one in cutter, monoblock type CBN cutters and whole glomerocryst CBN cutters.
In order to achieve the above objectives, another aspect of the present invention embodiment proposes a kind of cubic boron nitride blade processing service life
Device is improved, including：Fixed module is used for by CBN cutter holdings between first the second magnetic pole of magnetic pole of magnetizing assembly,
In, the polarity of the first magnetic pole and the second magnetic pole is opposite；Starting module, for starting direct current pulse power source, and to the magnetization
After the predetermined number of pulse of action time is preset in device input, stop the direct current pulse power source preset time；Processing module is used
After the direct current pulse power source preset times described in repeated priming, complete to the CBN cutters magnetization treatment.
The raising device in the cubic boron nitride blade processing service life of the embodiment of the present invention, by using spy under room temperature environment
The electromagnetism intensive treatment for determining the cutter of electromagnetic field progress has and does not change that cutter appearance and size, effectively to reduce cutter interior residual
Residue stress, improves the advantages that cutting-tool's used life and its fringe cost are smaller at the wear resistance for improving cutter, while can be with
Reduce cutter cost, improve processing efficiency, have the characteristics that it is bulk modified, without deform, appearance it is indeclinable, it is green in processing procedure
Colour circle is protected, and chemical agent, complete zero-emission are not related to.
In addition, the raising device in cubic boron nitride blade processing service life according to the above embodiment of the present invention can also have
Additional technical characteristic below：
Further, in one embodiment of the invention, the magnetizing assembly further includes coil and ferrite core, and institute
Magnetizing assembly is stated with the direct current pulse power source to be connected.
Optionally, in one embodiment of the invention, the default action time is 0.5 to 3s, and described default
Number is 40 to 90, and the preset time is 1 to 3s, and the preset times are 3 to 5 times.
Optionally, in one embodiment of the invention, second magnetic pole of the first magnetic pole is made of Ferrite Material.
Optionally, in one embodiment of the invention, the CBN cutters include inserted CBN cutters, combined type CBN
Any one in cutter, monoblock type CBN cutters and whole glomerocryst CBN cutters.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the flow chart for the improvement method that the service life is processed according to the cubic boron nitride blade of one embodiment of the invention；
Fig. 2 is the principle schematic according to the processing method of the raising CBN cutter service lifes of one embodiment of the invention；
Fig. 3 is that the result for the improvement method for processing the service life according to the square boron nitride blade of first embodiment of the invention is illustrated
Figure；
Fig. 4 is that the result for the improvement method for processing the service life according to the square boron nitride blade of second embodiment of the invention is illustrated
Figure；
Fig. 5 is that the result for the improvement method for processing the service life according to the square boron nitride blade of third embodiment of the invention is illustrated
Figure；
Fig. 6 is that the result for the improvement method for processing the service life according to the square boron nitride blade of four embodiment of the invention is illustrated
Figure；
Fig. 7 is the structural representation for the raising device that the service life is processed according to the cubic boron nitride blade of one embodiment of the invention
Figure.
The reference numerals are as follows：
The first magnetic poles of 1-, the second magnetic poles of 2-, 3-CBN cutters, 4- coils, 5- ferrite cores and 6- direct-flow impulse circuits.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The raising side in the cubic boron nitride blade proposed according to embodiments of the present invention processing service life is described with reference to the accompanying drawings
Method and device are described, and describe the cubic boron nitride blade proposed according to embodiments of the present invention the processing longevity with reference to the accompanying drawings first
The improvement method of life.
Fig. 1 is the flow chart of the improvement method in the cubic boron nitride blade processing service life of one embodiment of the invention.
As shown in Figure 1, the improvement method in cubic boron nitride blade processing service life includes the following steps：
In step S101, by CBN cutter holdings between first the second magnetic pole of magnetic pole of magnetizing assembly, wherein first
The polarity of magnetic pole and the second magnetic pole is opposite.
Wherein, two magnetic poles can be made of Ferrite Material, and the opposite magnetic pole of two magnetic polarities can be by appointing
What known, suitable material is made, and two opposite magnetic poles form a magnetic field, so as to magnetize to CBN cutters.
Further, in one embodiment of the invention, magnetizing assembly can also include coil and ferrite core, and magnetic
Makeup is set to be connected with direct current pulse power source.
Specifically, the coil of winding ferrite core is made of enameled wire, and coil can be by any known, suitable
Winding wire constitute, wherein in magnetizing assembly, under the action of electromagnetic field, dislocation inside crystalline material occurs CBN cutters
Movement so that dislocation distribution uniformity, residual stress are relaxed, and are greatly reduced the probability in the source of cracking and are reduced crackle life
Long speed, to which its fatigue life significantly improves.Optionally, in one embodiment of the invention, first the second magnetic pole of magnetic pole
It can be made of Ferrite Material.
It for example, will as shown in Fig. 2, constituting magnetizing assembly by the first magnetic pole, the second magnetic pole, coil and ferrite core
Between the first magnetic pole and the second magnetic pole of magnetizing assembly, the spacing between two magnetic poles can be adjusted freely with suitable CBN cutter holdings
The placement of cutter is answered, wherein the polarity of the first magnetic pole and the second magnetic pole is opposite, that is to say, that opposite with two adjustable positions
CBN cutters are fixed in a magnetic field by magnetic pole.
Optionally, in one embodiment of the invention, CBN cutters may include inserted CBN cutters, combined type CBN
Any one in cutter, monoblock type CBN cutters and whole glomerocryst CBN cutters.
It should be noted that without being limited thereto, CBN cutters can be any be suitable for according to its service life of present invention raising
The CBN cutters that can handle of processing method.
In step s 102, start direct current pulse power source, and the default a of action time is preset being inputted to magnetizing assembly
After rapid pulse punching, stop direct current pulse power source preset time.
Optionally, in one embodiment of the invention, preset action time be 0.5 to 3s, and predetermined number be 40 to
90, preset time is 1 to 3s, and preset times are 3 to 5 times.
For example, direct current pulse power source is connected with magnetizing assembly, start direct current pulse power source (electric current I=10A-100A),
And 40~90 pulses are continuously inputted to magnetizing assembly, the action time of each pulse is 0.5s~3s, then stops direct current arteries and veins
Power supply 1-3s is rushed, repeated priming direct current pulse power source 3-5 times keeps other parameters constant.
In step s 103, it after repeated priming direct current pulse power source preset times, completes to CBN cutter magnetization treatments.
That is, pulse repeatedly is carried out with preset DC pulse value CBN cutters fixed to the device that has been magnetized,
To change the residual stress for reducing cutter interior, the wear resistance of cutter is improved.
It is detailed that the improvement method progress specific embodiment in service life is processed to cubic boron nitride blade proposed by the present invention below
It repeats.
In first specific embodiment of the present invention, model 2NC-CCGW is taken, length 12mm, outer diameter 12.7mm are interior
Diameter 5.5mm, chamferingThe blade of thickness 4.76mm is fixed between two magnetic poles.When magnetization treatment, using DC pulse
Stream is 50A, and continuous input current umber of pulse is 40, and the wherein action time of single pulse is 0.8s, then stops direct current arteries and veins
Power supply 1s is rushed, repeated priming direct current pulse power source 3 times keeps other parameters constant.Test result is as shown in figure 3, magnetization treatment
The average life span of 2NC-CCGW blades compared with the untreated blade of same batch average life span improve 60%.
In second specific embodiment of the present invention, model WNGA, length 6mm, outer diameter 9.525mm, internal diameter are taken
3.81mm, land length 2.2mm, chamferingThe blade of thickness 4.76mm is fixed between two magnetic poles.When magnetization treatment, adopt
It is 30A with DC pulse current, continuous input current umber of pulse is 60, and the wherein action time of single pulse is 1.5s, so
Stop direct current pulse power source 0.75s afterwards, repeated priming direct current pulse power source 5 times keeps other parameters constant.Test result is as schemed
Shown in 4, the average life span of the WNGA blades average life span WNGA blades untreated compared with same batch of magnetization treatment improves 200%.
In the third specific embodiment of the present invention, model 6NC-TNGA is taken, length 22mm, outer diameter 12.7mm are interior
Diameter 5.16mm, land length 4.8mm, chamferingThe blade of thickness 7.94mm is fixed between two magnetic poles.When magnetization treatment,
Use DC pulse current for 85A, continuous input current umber of pulse is 55, and the wherein action time of single pulse is 2.2s,
Then stop direct current pulse power source 1.76s, repeated priming direct current pulse power source 3 times keeps other parameters constant.Test result is such as
Shown in Fig. 5, average life span of the 6NC-TNGA blades average life span compared with the untreated blade of same batch of magnetization treatment improves 80%.
In the 4th specific embodiment of the present invention, model TPGW, outer diameter 6.35mm, the knife of thickness 2.38mm are taken
Piece is fixed between two magnetic poles.When magnetization treatment, use DC pulse current for 23A, continuous input current umber of pulse is 75
A, the wherein action time of single pulse is 1.65s, then stops direct current pulse power source 0.66s, repeated priming DC pulse
Source 4 times keeps other parameters constant.Test result is as shown in fig. 6, the VBGW-2S blades average life span of magnetization treatment relatively same batch
The average life span of secondary untreated VBGW-2S blades improves 80%.
The improvement method in the cubic boron nitride blade processing service life proposed according to embodiments of the present invention, by room temperature environment
The electromagnetism intensive treatment of the lower cutter carried out using specific electromagnetic field, is had and does not change cutter appearance and size, effectively reduces knife
Have internal residual stress, the wear resistance for improving cutter, improve the advantages that cutting-tool's used life and its fringe cost are smaller,
The cost of cutter can be reduced simultaneously, improves processing efficiency, have the characteristics that bulk modified, indeclinable without deformation, appearance, processing
It is environmentally protective in the process, it is not related to chemical agent, complete zero-emission.
Referring next to the raising dress in the cubic boron nitride blade processing service life that attached drawing description proposes according to embodiments of the present invention
It sets.
Fig. 7 is the structural schematic diagram of the raising device in the cubic boron nitride blade processing service life of one embodiment of the invention.
As shown in fig. 7, the raising device 10 in cubic boron nitride blade processing service life includes：Fixed module 100 starts mould
Block 200 and processing module 300.
Wherein, fixed module 100 is used for by CBN cutter holdings between first the second magnetic pole of magnetic pole of magnetizing assembly,
In, the magnetic polarity of the first magnetic pole and the second magnetic pole is opposite.Starting module 200 is for starting direct current pulse power source, and to magnetization
After the predetermined number of pulse of action time is preset in device input, stop direct current pulse power source preset time.Processing module 300 is used for
After repeated priming direct current pulse power source preset times, complete to CBN cutter magnetization treatments.The device 10 of the embodiment of the present invention can
To reduce the microplasticity strain of CBN cutter materials, promote dislocation motion and homogenization, to which residual stress is relaxed,
Material mechanical performance and wear resistance are improved, while being significantly improved it and being processed the service life.
Further, in one embodiment of the invention, magnetizing assembly can also include coil and ferrite core, and magnetic
Makeup is set to be connected with direct current pulse power source.
Optionally, in one embodiment of the invention, preset action time be 0.5 to 3s, and predetermined number be 40 to
90, preset time is 1 to 3s, and preset times are 3 to 5 times.
Optionally, in one embodiment of the invention, first the second magnetic pole of magnetic pole can be made of Ferrite Material.
Optionally, in one embodiment of the invention, CBN cutters may include inserted CBN cutters, combined type CBN
Any one in cutter, monoblock type CBN cutters and whole glomerocryst CBN cutters.
It should be noted that the explanation of the improvement method embodiment in aforementioned cubic boron nitride blade processing service life
The raising device in service life is processed suitable for the cubic boron nitride blade of the embodiment, details are not described herein again.
The raising device in the cubic boron nitride blade processing service life proposed according to embodiments of the present invention, by room temperature environment
The electromagnetism intensive treatment of the lower cutter carried out using specific electromagnetic field, is had and does not change cutter appearance and size, effectively reduces knife
Have internal residual stress, the wear resistance for improving cutter, improve the advantages that cutting-tool's used life and its fringe cost are smaller,
The cost of cutter can be reduced simultaneously, improves processing efficiency, have the characteristics that bulk modified, indeclinable without deformation, appearance, processing
It is environmentally protective in the process, it is not related to chemical agent, complete zero-emission.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of improvement method in cubic boron nitride blade processing service life, which is characterized in that include the following steps：
By CBN cutter holdings between first the second magnetic pole of magnetic pole of magnetizing assembly, wherein first magnetic pole and the second magnetic pole
Polarity it is opposite；
Start direct current pulse power source, and after inputting the predetermined number of pulse for presetting action time to the magnetizing assembly, stops
The direct current pulse power source preset time；And
After the direct current pulse power source preset times described in repeated priming, complete to the CBN cutters magnetization treatment.
2. the improvement method in cubic boron nitride blade processing service life according to claim 1, which is characterized in that the magnetization
Device further includes coil and ferrite core, and the magnetizing assembly is connected with the direct current pulse power source.
3. the improvement method in cubic boron nitride blade processing service life according to claim 1, which is characterized in that described default
Action time is 0.5 to 3s, and the predetermined number is 40 to 90, and the preset time is 1 to 3s, and the preset times are
3 to 5 times.
4. the improvement method in cubic boron nitride blade processing service life according to claim 1, which is characterized in that described first
The second magnetic pole of magnetic pole is made of Ferrite Material.
5. processing the improvement method in service life according to claim 1-4 any one of them cubic boron nitride blades, which is characterized in that
The CBN cutters include in inserted CBN cutters, combined type CBN cutters, monoblock type CBN cutters and whole glomerocryst CBN cutters
Any one.
6. a kind of raising device in cubic boron nitride blade processing service life, which is characterized in that including：
Fixed module is used for CBN cutter holdings between first the second magnetic pole of magnetic pole of magnetizing assembly, wherein the first magnetic pole
It is opposite with the polarity of the second magnetic pole；
Starting module presets the default a of action time for starting direct current pulse power source, and being inputted to the magnetizing assembly
After rapid pulse punching, stop the direct current pulse power source preset time；And
Processing module, for after the direct current pulse power source preset times described in repeated priming, completing to the CBN cutters magnetization
Reason.
7. the raising device in cubic boron nitride blade processing service life according to claim 6, which is characterized in that the magnetization
Device further includes coil and ferrite core, and the magnetizing assembly is connected with the direct current pulse power source.
8. the raising device in cubic boron nitride blade processing service life according to claim 6, which is characterized in that described default
Action time is 0.5 to 3s, and the predetermined number is 40 to 90, and the preset time is 1 to 3s, and the preset times are
3 to 5 times.
9. the raising device in cubic boron nitride blade processing service life according to claim 6, which is characterized in that described first
The second magnetic pole of magnetic pole is made of Ferrite Material.
10. processing the raising device in service life according to claim 6-9 any one of them cubic boron nitride blades, feature exists
In the CBN cutters include inserted CBN cutters, combined type CBN cutters, monoblock type CBN cutters and whole glomerocryst CBN cutters
In any one.
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| CN110757092A (en) * | 2019-11-08 | 2020-02-07 | 江苏科技大学 | Processing device and processing method for functional microstructure on surface of artificial bone |
| CN111074062A (en) * | 2020-02-11 | 2020-04-28 | 四川大学 | Production line and method for remanufacturing high-performance cutters in batches in multi-direction of pulse magnetic field |
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| CN110757092B (en) * | 2019-11-08 | 2021-09-17 | 江苏科技大学 | Processing device and processing method for functional microstructure on surface of artificial bone |
| CN111074062A (en) * | 2020-02-11 | 2020-04-28 | 四川大学 | Production line and method for remanufacturing high-performance cutters in batches in multi-direction of pulse magnetic field |
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|---|---|
| CN108788770B (en) | 2020-04-07 |
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