CN109759900A - Thermometric cutter suitable for energetic material machining - Google Patents
Thermometric cutter suitable for energetic material machining Download PDFInfo
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- CN109759900A CN109759900A CN201910220436.4A CN201910220436A CN109759900A CN 109759900 A CN109759900 A CN 109759900A CN 201910220436 A CN201910220436 A CN 201910220436A CN 109759900 A CN109759900 A CN 109759900A
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- temperature measurer
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- 238000003754 machining Methods 0.000 title claims abstract description 35
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- 239000010432 diamond Substances 0.000 claims abstract description 53
- 238000005520 cutting process Methods 0.000 claims abstract description 49
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- 230000004044 response Effects 0.000 claims description 10
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- 238000002474 experimental method Methods 0.000 claims description 5
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- 238000004140 cleaning Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
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- 229910045601 alloy Inorganic materials 0.000 description 2
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- 229920001187 thermosetting polymer Polymers 0.000 description 2
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- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910005883 NiSi Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention discloses the thermometric cutters for being suitable for energetic material machining, including standard insert, diamond segment, temperature measurer and DC power supply, the point of a knife position of the standard insert is equipped with diamond segment, the diamond segment is equipped with thermal resistance and thermocouple, the temperature measurer and DC power supply respectively with thermal resistance and thermocouple logical connection.The present invention bases oneself upon the existing mature mechanical processing technique of energetic material, it can be used cooperatively with current general process equipment with industry standard interfaces, it is introduced without additional danger source, energetic material cutting temperature can accurately and fast be measured under the conditions of special type, be advantageous to PBX energetic material part process safety technical research；Meanwhile the excellent cutting ability of Single-crystal Diamond Cutters is also very beneficial to the suface processing quality for promoting PBX composite material, these all provide new way to realize that safe, the high-quality and High Efficient Machining Technology of such workpiece develops.
Description
Technical field
The present invention relates to energetic material technical fields of mechanical processing, more particularly to suitable for the thermometric of energetic material machining
Cutter.
Background technique
High explosive PBX (Polymer Bonded Explosives, plastic bonded explosive) is that a kind of comprehensive performance is excellent
Good energetic material is widely used in land, sea, air and Second Artillery Force is each as the core functional components material of all kinds of important warheads
Among class weapon system.With the fast development of weapon system-of-systems, the precision machinery process requirements of a variety of energetic material components
Also growing day by day, and be machined safety and always be the key for limiting its process-technology-evolutions.It is cut in energetic material workpiece
It cuts in process, due to the inhomogeneities of the crystal size containing energy of bonding PBX material, internal random is distributed Hard Inclusion, when
When switching to some Hard Inclusion, or due to cutting deformation and vibration etc., a large amount of cutting heat can be generated suddenly and go out workpiece
Existing TRANSIENT HIGH TEMPERATURE pulse can ignite workpiece and great serious accident occurs when this TRANSIENT HIGH TEMPERATURE exceeds certain range.Cause
Dynamic cutting temperature when this quickly and accurately measures Machining energetic materials has the safe and efficient production of defence and military department
Great meaning.In addition, the material is because stiffness and strength are lower, thermal expansion coefficient is big, and has certain viscoplasticity, is a kind of
The composite material of very special heterogeneous macroscopical same sex microscopic anisotropy, only with conventional tool (high-speed steel, hard alloy
Deng) the precision machined quality control of product is completed, still tool acquires a certain degree of difficulty.In consideration of it, being needed for energetic material machining
It asks, develop a quickly precise measurement cutting temperature can effectively improve the dedicated tool system of product processing quality for ten again
Divide beneficial.
Currently, the Cutting Temperature Measurement Methods being widely used both at home and abroad mainly have natural thermocouple method, artifical Thermocouple method,
Semi-artifical thermocouple method, metallographic structure observation and optical heat radiation thermometry etc..For energetic material cutting, commonly cut
Thermometry is cut due to the limitation by sensor response speed and machining condition etc., it is difficult to realize cutting region transient temperature
Real-time and accurate measurement.For this technical problem, the researchers of Dalian University of Technology are based on magnetron sputtering technique will be thin
Film thermocouple is integrated in cutting tool, has developed a kind of NiCr/NiSi film thermocouple thermometric cutter, it can be achieved that cutting region wink
State temperature measurement, but it is at high cost, technology is complicated.The researchers of state university of PANTEX factory, the U.S. and Texas in 2018,
The dynamic temperature measurement work of PBX9501 energetic material is completed in such a way that infrared thermal imagery thermometry and cutter gradient integrated thermal electric are even
Make, thermometric cutter structure design used is complicated and is difficult to the temperature rise in accurate characterization cutting edge region.Meanwhile Publication No.
The Chinese patent of CN104942318B discloses a kind of intelligent transient state cutting thermometric cutter, production method and temp measuring method,
Tool surface coating film thermocouple and integrated scene temperature acquisition terminal, for acquiring cutting temperature data in real time, but it is surveyed
Warm accuracy is limited by tool matrix, it is difficult to obtain cutting maximum temperature；The Chinese patent of Publication No. CN105458312B is public
A kind of micro- texture encapsulation thermometric cutter has been opened, existing thermometric cutter sensor has been solved and easily wears, the failure that falls off, reduces cutter
The problem of cutting ability, the inventive structure is simple, production packaging technology is easy to control, precision with higher and faster thermometric are rung
It answers, while carrying out effective protection to temperature-measuring thin film sensor, does not influence the cutting ability of cutting tool；Publication No.
The Chinese patent of CN106975984A discloses a kind of intelligent transient state milling thermometric cutter based on film thermocouple, by using
Advanced film thermocouple transient state temp measuring method realizes adopting automatically for temperature data in conjunction with the temperature collecting module of designed, designed
Collect, automatically process, be automatically stored and be wirelessly transferred, is suitable for high-speed cutting, thin-wall part and Precision and Ultra-precision Machining, tool
Have the advantages that fast response time, measurement accuracy are high, but structure is complicated, higher cost, and system reliability have it is to be hoisted.
Therefore, the prior art and invention report for solves the problems, such as energetic material be machined in accurate thermometric there are still
Following deficiency: 1) tool contact formula temperature transducer integrated form is different, and structure is complicated, it is difficult to which accurate calibration and repetition manufacture；
2) integrating thermometric cutter response speed and measurement accuracy has to be hoisted, the especially accurate measurement in cutting edge position temperature rise area；
3) the blade quality for integrating thermometric cutter is different, it is difficult to quantization measuring and calculating, and be not applicable in the control of Machining energetic materials quality and set
Meter.The application problem with new technique is improved in relation to energetic material machining equipment, there is not for existing various aspects limitation
With the popularization difficulty of degree.Therefore, the existing mature processing technology of energetic material is based oneself upon, design research and development are a set of safe and reliable, simple
It is practical, measurement is accurate, the rapid thermometric tooling system of response is very necessary to the practical problem solved in material production.
Summary of the invention
For above-mentioned problems, the invention proposes the thermometric cutter for being suitable for energetic material machining and test sides
Method can significantly improve experiment thermometric conditions and data accuracy, promote PBX Machining energetic materials security measuring technology energy
Power.
The present invention through the following technical solutions to achieve the above objectives:
Suitable for the thermometric cutter of energetic material machining, including standard insert, diamond segment, temperature measurer and direct current
Source, the point of a knife position of the standard insert are equipped with diamond segment, and the diamond segment is equipped with thermal resistance and thermocouple,
The temperature measurer and DC power supply respectively with thermal resistance and thermocouple logical connection.
Further embodiment is that the diamond segment is sharpened by single-crystal diamond, and the sharp degree of cutting edge is less than 50nm,
Corner radius is greater than 200 μm.
Further embodiment is that bonding is equipped with thermal resistance, the thermoelectricity at the cutting edge point of a knife of the diamond segment
One end pin of resistance is connected to the shared ground terminal C node of temperature measurer and DC power supply by conducting wire, and other end pin passes through
Conducting wire is reliably connected with switching node D；Microflute is offered on the diamond segment rake face, passes through sealant pair inside microflute
Title is packaged with thermocouple I；It is suitble to the position of measurement to paste on the rake face of the diamond segment, flank and is equipped with thermocouple
II, thermocouple III；Difference installation form thermocouple realizes the logical connection with temperature measurer positive and negative anodes by conducting wire.
Further embodiment is, the thermal resistance can lossless dismounting and reuse, interchangeable error is ± 0.2 DEG C, work
Making range is -80 DEG C to 150 DEG C, and connection type is two-wire system or multiple-way system.
Further embodiment is, the temperature measurer has at least eight high-speed channel, can meet simultaneously thermocouple I 23,
The sampling test request of thermocouple II, thermocouple III and thermal resistance；The DC power supply can be steady with temperature measurer integration testing
Determining output current value can be electrodeless adjustable, and is not less than 300mA.
Further embodiment is that the diamond segment rake face opens up thermocouple I encapsulation microflute using ultrafast laser
Processing method preparation, 300 μm of groove depth, 400 μm of groove width, the sealant are OMEGABOND bonding agent.
Further embodiment is that the thermocouple I, thermocouple II, thermocouple III have the Millisecond response time and heat is lazy
Property it is extremely low, highest measurement temperature be greater than 300 DEG C, measurement error be less than ± 0.5 DEG C, paillon thickness about 0.013mm, diameter of wire is small
In 0.25mm.
It needs to demarcate it before the use, another aspect of the present invention provides the above-mentioned energetic material cutting that is suitable for and adds
The scaling method of the accurate thermometric cutter of work, demarcating steps are as follows: a completes thermometric cutter making and test electricity according to design requirement
Road connection, and each temperature measuring device Accurate Calibration；B under test conditions, starts temperature measurer and DC power supply, heat engine is steady
Afterwards, first single knife switch node A and D are closed, are connected to DC power supply, realize thermal resistance transient heating heating, and ensure each thermometric
Device effectively works；The rear several seconds disconnects DC power supply and connects simultaneously c rapidly by single knife switch node B and D closure for a period of time
Logical temperature measurer, realizes the accurate transient state thermometric of thermal resistance and thermocouple I, thermocouple II, thermocouple III；D is connected using temperature measurer
Continuous, synchronous recording thermal resistance and thermocouple I, thermocouple II, thermocouple III real time temperature measurement data；Aforementioned step is repeated several times in e
Suddenly, the different cutting edge temperature calibrations of thermometric cutter are completed, and are associated with the test data of thermocouple I, thermocouple II, thermocouple III,
Disconnect circuit system.
Further aspect of the present invention provides the test method of the above-mentioned accurate thermometric cutter suitable for energetic material machining,
It is characterized in that, the accurate thermometric cutter testing procedure is as follows: the lossless thermal resistance removed at diamond segment point of a knife of a, it is complete
At demarcated thermometric cutting edge roundness cleaning and channel check；B is according to actual processing operating condition, by thermocouple I, heat on diamond segment
Galvanic couple II, thermocouple III and temperature measurer are reliably connected, and standard insert installation is set on stock-removing machine；C is wanted according to experiment
It asks, opens temperature measurer, carry out the accurate monitoring of cutting temperature in real time and record.
The beneficial effects of the present invention are:
(1) simple, portable thermometric cutter provided by the invention and method are suitable for tool blade in energetic material machining
Accurate, the rapid survey of mouth temperature rise provide authentic data support for the research of energetic material cutting heat Response Mechanism, have and mention
Rise the notable feature of energetic material machining essenceization level of security and such product surface processing quality.The invention has knot
Structure is simple, responds rapidly, and measurement is accurate, easy to use, low in cost, easily integrates use with all kinds of lathes and technique extension is strong
Etc. advantages.
(2) present invention utilizes joule electrocaloric effect and Seebeck thermoelectric temperature-measurement principle, by the self-heating and thermometric of thermal resistance
Function relies on logic circuit control is synchronous to realize；It is designed by reasonable structure and (demarcates and make with being spatially separating for thermometric mode
With), the Single-crystal Diamond Cutters of excellent heat conductivity and paillon thermocouple are subjected to Integrated design and unified calibration, and then establish knife
Have the mapping relations of cutting edge temperature rise and temperature transducer, can be realized to the Millisecond response and online essence at cutting tool cutting edge
True thermometric.
(3) present invention bases oneself upon the existing mature mechanical processing technique of energetic material, and there are industry standard interfaces can lead to current
It is used cooperatively with process equipment, is introduced without additional danger source (heat, electricity, power source), it can be under the conditions of special type to energetic material
Cutting temperature is accurately and fast measured, and PBX energetic material part process safety technical research is advantageous to；Meanwhile monocrystalline
The excellent cutting ability of diamond cutter is also very beneficial to the suface processing quality for promoting PBX composite material, these are all realization
Safe, the high-quality and High Efficient Machining Technology development of such workpiece provides new way.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In required practical attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the one of the present embodiment
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is that the overall structure and scaling method suitable for the accurate thermometric cutter of energetic material machining of the invention is illustrated
Figure.
Fig. 2 is that the isometric side view and cutter head suitable for the accurate thermometric cutter of energetic material machining of the invention is locally put
Big view, cutter head state when showing calibration.
Fig. 3 is that the isometric side view and cutter head suitable for the accurate thermometric cutter of energetic material machining of the invention is locally put
Big view, cutter head state when showing cutting.
As shown, wherein corresponding appended drawing reference title are as follows:
1 standard insert, 2 diamond segments, 21 thermal resistances, 22 sealants, 23 thermocouple I, 24 thermocouple II, 25 thermocouples
III, 3 temperature measurers, 4 DC power supplies.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
Its embodiment belongs to the range that the present invention is protected.
As shown in Figure 1-3, the thermometric cutter suitable for energetic material machining of the invention, including standard insert 1, Buddha's warrior attendant
Stone cutter head 2, temperature measurer 3 and DC power supply 4, the point of a knife position of the standard insert 1 are equipped with diamond segment 2, the Buddha's warrior attendant
Stone cutter head 2 is equipped with thermal resistance and thermocouple, and the temperature measurer 3 and DC power supply 4 connect with thermal resistance and thermocouple logic respectively
It connects.
In the present embodiment, the diamond segment 2 is sharpened by single-crystal diamond, and the sharp degree of cutting edge is less than 50nm, knife
Sharp arc radius is greater than 200 μm.
In the present embodiment, bonding is equipped with thermal resistance 21, the thermal resistance at the cutting edge point of a knife of the diamond segment 2
21 one end pin is connected to the shared ground terminal C node of temperature measurer 3 and DC power supply 4 by conducting wire, and other end pin is logical
Conducting wire is crossed to be reliably connected with switching node D；Microflute is offered on 2 rake face of diamond segment, passes through sealing inside microflute
22 symmetric packages of glue have thermocouple I 23；It is suitble to the position of measurement to paste on the rake face of the diamond segment 2, flank to set
There are thermocouple II 24, thermocouple III25；Difference installation form thermocouple realizes the logic with temperature measurer positive and negative anodes by conducting wire
Connection.
In the present embodiment, the thermal resistance 21 can lossless dismounting and reuse, interchangeable error be ± 0.2 DEG C, work
Range is -80 DEG C to 150 DEG C, and connection type is two-wire system or multiple-way system.
In the present embodiment, the temperature measurer 3 has at least eight high-speed channel, can meet thermocouple I 23, thermoelectricity simultaneously
The sampling test request of even II 24, thermocouple III25 and thermal resistance 21；The DC power supply 4 can with 3 integration testing of temperature measurer,
Its stable output current value can be electrodeless adjustable, and is not less than 300mA.
In the present embodiment, 2 rake face of diamond segment opens up 23 encapsulation microflute of thermocouple I using ultrafast laser
Processing method preparation, 300 μm of groove depth, 400 μm of groove width, the sealant 22 are OMEGABOND bonding agent.
In the present embodiment, the thermocouple I 23, thermocouple II 24, thermocouple III25 have the Millisecond response time and
Thermal inertia is extremely low, and highest measurement temperature is greater than 300 DEG C, and measurement error is less than ± 0.5 DEG C, paillon thickness about 0.013mm, and conducting wire is straight
Diameter is less than 0.25mm.
Specifically, the present invention is based on joule electrocaloric effect and Seebeck thermoelectric temperature-measurement principle, by the monocrystalline of excellent heat conductivity
Diamond cutter and paillon thermocouple carry out Integrated design and unified calibration, disclose a kind of essence suitable for energetic material machining
True thermometric cutter, it includes standard insert, diamond segment, temperature measurer and DC power supply.The standard insert matrix should meet
Industry design standard, having general compression location hole can freely assemble on Machining energetic materials lathe, and material used is generally
Hard alloy can use special welding procedure at its point of a knife position and install diamond segment；Inside the diamond segment and
The specific position setting thermometric and heating sensor on surface, the temperature measurer and DC power supply are patrolled with test sensor respectively
Connection is collected, is converted using the self-heating and temp sensing function of cutting edge roundness thermal resistance, cooperates the paillon integrated on diamond segment hot
Galvanic couple carries out thermometric, realizes the Accurate Calibration and thermometric function of cutter entirety.
In order to ensure service performance and system reliability of the invention, to its key function device and important design parameter into
Row preferred design, as depicted in figs. 1 and 2, preferred embodiment is in the present embodiment, and the diamond segment is by single crystal diamond
Stone precision sharpens, preferably natural single crystal material, and the sharp degree of cutting edge is less than 50nm, and corner radius is greater than 200 μm, tool
There is the consistency of high thermal conductivity (k=1000W/m/ DEG C), theoretical and emulation its HEAT TRANSFER LAW of accurate measure, the present embodiment can be passed through
In can be considered as part to be calibrated for temperature thermocouple sensor；It is glued at the cutting edge point of a knife of the diamond segment
It is connected to thermal resistance, one end pin of the thermal resistance is saved by the shared ground terminal C that conducting wire is connected to temperature measurer and DC power supply
Point, other end pin are reliably connected by conducting wire and switching node D, can be realized resistance heating and quick temperature measurement function just
Victory switching.Specific position on the diamond segment rake face offers microflute, using special seal gum that thermocouple I is symmetrical
Inside encapsulation to microflute；It is suitble to the specific position of measurement to be pasted with thermocouple II on the diamond segment rake face or flank
With thermocouple III, the described different installation form thermocouples are correspondingly connected with by conducting wire realization and temperature measurer positive and negative anodes；This reality
The typical mounting means that example only shows thermocouple is applied, can also be adjusted according to different cutting operating conditions, as drilling and milling cut knife in processing
Electric slip ring introduces after piece thermocouple is pasted；The thermal resistance can lossless dismounting and reuse, interchangeable error be ± 0.2 DEG C,
Working range: -80 DEG C to 150 DEG C, connection type can require to select two-wire system or multiple-way system, use multi-thread according to measuring accuracy
Connection method processed can effectively eliminate measurement error caused by connecting wire resistance, and installation bonding agent used should have good thermally conductive
Property and thermosetting property；The temperature measurer has no less than 8 high-speed channels, can meet simultaneously and select adopting for thermocouple and thermal resistance
Sample test request；The DC power supply can be with temperature measurer integration testing, and structure is portable, stable output current value can it is electrodeless can
It adjusts, and is not less than 300mA；The diamond segment rake face opens up the micro-structure of thermocouple I encapsulation or microflute can be used it is super
Fastly prepared by (fs or ps) laser processing, it is general select 300 μm of groove depth, 400 μm of groove width be advisable, the sealant should have good
Good thermal conductivity and thermosetting property is general to select the special bonding agent of OMEGABOND brand；The rake face of the diamond segment
Or flank installs thermocouple location selection principle: not influencing cutter use, convenient for measurement and arrangement, and temperature measurement node leans on as far as possible
Nearly point of a knife point；The thermocouple should have the characteristics that Millisecond response time and thermal inertia are extremely low, and highest measurement temperature is greater than 300
DEG C, measurement error is less than ± 0.5 DEG C, paillon thickness about 0.013mm, and diameter of wire is less than 0.25mm, and preferably OMEGA brand bonds
Formula paillon thermocouple；It is finally completed the integral calibrating (thermocouple and diamond) to diamond segment in thermometric cutter, realizes heat
Temperature map relationship between galvanic couple and diamond cutting edge is established.
As shown in figures 1 and 3, the present invention provides a kind of test side of the accurate thermometric cutter of energetic material machining
Method particularly may be divided into cutter using preceding calibration and machining and test two parts.Wherein calibration implementation steps it is as follows: (a) according to
Design requirement completes thermometric cutter making and test circuit connection, and each temperature measuring device Accurate Calibration；(b) in test condition
Under, start temperature measurer and DC power supply, after heat engine is steady, first single knife switch node A and D are closed, are connected to DC power supply, is realized
Thermal resistance transient heating heating, and ensure that each temperature measuring device effectively works；(c) (several seconds) after a period of time, rapidly by hilted broadsword
Switching node B and D is closed, and is disconnected DC power supply and is connected to temperature measurer simultaneously, realizes the accurate transient state thermometric of thermal resistance and thermocouple；
(d) continuous, synchronous recording thermal resistance and thermocouple the real time temperature measurement data using temperature measurer；(e) abovementioned steps are repeated several times, it is complete
At the different cutting edge temperature calibrations of thermometric cutter, and it is associated with the test data of each thermocouple, disconnects circuit system.As shown in figure 3,
Cutting experiment thermometric can be carried out after completing accurate thermometric cutter calibration, the accurate thermometric cutter testing procedure is as follows: (a) nothing
Damage removes the thermal resistance at diamond segment point of a knife, and the cleaning of thermometric cutting edge roundness and channel check have been demarcated in completion；(b) according to reality
Border process operating condition, thermocouple on diamond segment is reliably connected with temperature measurer, and by standard insert install set stock-removing machine it
On；(c) according to requirement of experiment, temperature measurer is opened, carries out accurate dynamic cutting temperature monitoring and in real time record.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
It is further to note that specific technical features described in the above specific embodiments, in reconcilable situation
Under, it can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention is to various possible combinations
No further explanation will be given for mode.In addition, various embodiments of the present invention can be combined randomly, as long as its
Without prejudice to thought of the invention, it should also be regarded as the disclosure of the present invention.
Claims (9)
1. being suitable for the thermometric cutter of energetic material machining, including standard insert (1), diamond segment (2), temperature measurer (3)
With DC power supply (4), it is characterised in that: the point of a knife position of the standard insert (1) is equipped with diamond segment (2), the gold
Diamond tool bit (2) is equipped with thermal resistance and thermocouple, the temperature measurer (3) and DC power supply (4) respectively with thermal resistance and thermoelectricity
Even logical connection.
2. being suitable for the thermometric cutter of energetic material machining as described in claim 1, which is characterized in that the diamond tool
Head (2) is sharpened by single-crystal diamond, and the sharp degree of cutting edge is less than 50nm, and corner radius is greater than 200 μm.
3. such as the described in any item thermometric cutters suitable for energetic material machining of claim 1-2, which is characterized in that described
Bonding is equipped with thermal resistance (21) at the cutting edge point of a knife of diamond segment (2), and one end pin of the thermal resistance (21) passes through
Conducting wire is connected to the shared ground terminal C node of temperature measurer (3) and DC power supply (4), and other end pin passes through conducting wire and switch
Node D is reliably connected；Microflute is offered on diamond segment (2) rake face, it is symmetrical to pass through sealant (22) inside microflute
It is packaged with thermocouple I (23)；It is suitble to the position of measurement to paste on the rake face of the diamond segment (2), flank and is equipped with heat
Galvanic couple II (24), thermocouple III (25)；Difference installation form thermocouple is realized by conducting wire to be connected with the logic of temperature measurer positive and negative anodes
It connects.
4. being suitable for the thermometric cutter of energetic material machining as claimed in claim 3, which is characterized in that the thermal resistance
(21) can lossless dismounting and reuse, interchangeable error be ± 0.2 DEG C, working range be -80 DEG C to 150 DEG C, connection side
Formula is two-wire system or multiple-way system.
5. being suitable for the thermometric cutter of energetic material machining as claimed in claim 3, which is characterized in that the temperature measurer
(3) there is at least eight high-speed channel, thermocouple I (23), thermocouple II (24), thermocouple III (25) and heat can be met simultaneously
The sampling test request of resistance (21)；The DC power supply (4) can be with temperature measurer (3) integration testing, stable output current value
Can be electrodeless adjustable, and it is not less than 300mA.
6. being suitable for the thermometric cutter of energetic material machining as claimed in claim 3, which is characterized in that the diamond tool
Head (2) rake face is opened up thermocouple I (23) encapsulation microflute and is prepared using ultrafast laser processing method, 300 μm of groove depth, groove width
400 μm, the sealant (22) is OMEGABOND bonding agent.
7. being suitable for the thermometric cutter of energetic material machining as claimed in claim 3, which is characterized in that the thermocouple I
(23), thermocouple II (24), thermocouple III (25) have the Millisecond response time and thermal inertia is extremely low, and highest measurement temperature is big
In 300 DEG C, measurement error is less than ± 0.5 DEG C, paillon thickness about 0.013mm, and diameter of wire is less than 0.25mm.
8. such as the scaling method of the described in any item accurate thermometric cutters suitable for energetic material machining of claim 1-7,
It is characterized in that, demarcating steps are as follows: (a) completing thermometric cutter making and test circuit connection, and each survey according to design requirement
Warm device Accurate Calibration；(b) under test conditions, start temperature measurer (3) and DC power supply (4), after heat engine is steady, first will
Single knife switch node A and D closure, are connected to DC power supply (4), realize thermal resistance (21) transient heating heating, and ensure each thermometric
Device effectively works；(c) (several seconds) after a period of time, single knife switch node B and D is closed rapidly, it is same to disconnect DC power supply
Shi Liantong temperature measurer (3), realize thermal resistance (21) and thermocouple I (23), thermocouple II (24), thermocouple III (25) it is accurate
Transient state thermometric；(d) continuous, synchronous recording thermal resistance (21) and thermocouple I (23), thermocouple II (24), thermoelectricity using temperature measurer
The real time temperature measurement data of even III (25)；(e) abovementioned steps are repeated several times, complete the different cutting edge temperature calibrations of thermometric cutter, and
It is associated with the test data of thermocouple I (23), thermocouple II (24), thermocouple III (25), disconnects circuit system.
9. such as the test method of the described in any item accurate thermometric cutters suitable for energetic material machining of claim 1-7,
It is characterized in that, the accurate thermometric cutter testing procedure is as follows: (a) the lossless thermoelectricity removed at diamond segment (2) point of a knife
It hinders (21), the cleaning of thermometric cutting edge roundness and channel check have been demarcated in completion；(b) according to actual processing operating condition, by diamond segment
(2) thermocouple I (23), thermocouple II (24), thermocouple III (25) and temperature measurer (3) are reliably connected on, and by standard insert
(1) installation is set on stock-removing machine；(c) it according to requirement of experiment, opens temperature measurer (3), carries out accurate cutting temperature prison in real time
It surveys and records.
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