CN108406434A - Carbide cutting method based on liquid nitrogen cooling and lubricating - Google Patents
Carbide cutting method based on liquid nitrogen cooling and lubricating Download PDFInfo
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- CN108406434A CN108406434A CN201810193754.1A CN201810193754A CN108406434A CN 108406434 A CN108406434 A CN 108406434A CN 201810193754 A CN201810193754 A CN 201810193754A CN 108406434 A CN108406434 A CN 108406434A
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- cutting
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- ultralow temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
- B23Q11/1061—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality using cutting liquids with specially selected composition or state of aggregation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1076—Arrangements for cooling or lubricating tools or work with a cutting liquid nozzle specially adaptable to different kinds of machining operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Lubricants (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The present invention provides a kind of carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；S2. it send and passs ultralow temperature nitrogen to nozzle；S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.The present invention is sent during carbide cutting process passs ultralow temperature nitrogen to workpiece, and wherein ultralow temperature nitrogen is as lubricant, coolant, chip evacuation agent and/or for another lubricant or the carrier of corrosion inhibiter.
Description
Technical field
The present invention relates to hard alloy processing technique fields, and in particular to a kind of hard alloy based on liquid nitrogen cooling and lubricating
Cutting process.
Background technology
(some of carbide cutting process are non-limiting in a variety of carbide cutting processes for metalworking fluid (MWF)
Example includes cutting process, forming process etc.) during lubrication and cooling metal and useful to machining function appropriate.Specifically
Ground, MWF increase the cutting tool service life, improve workpiece machining surface quality, allow faster processing efficiency and reduce mechanical processing
The energy expenditure of period.Metalworking fluid is typically aqueous emulsion or oiliness emulsion, passes through aqueous emulsion or oiliness breast
Shape liquid realizes the cooling of cutting tool and workpiece to be machined and lubrication in metal cutting process.However, metalworking fluid is a large amount of
Using and its a large amount of waste liquids for generating cause serious environmental problem, it is physically and mentally healthy to influence workshop condition and operator.This
It may be attributed to metal, organic principle and the microorganism that can (at least partly so) assemble in these fluids, and in machinery
The aerosol being likely to form when these liquid is excessively sprayed in pole in process.The aerosol that can be formed by these oil solutions
It reduces the air quality in workshop and potentially acute and/or chronic skin may be caused to influence worker in some cases
And lung influences.Metalworking fluid is easy occur quality decline at any time because of microbiological attack and hard water ion accumulation, this may
Waste disposal issues are caused, especially when mixture contains toxic additive.Therefore when MWF reaches final service life,
They can become bazardous waste.Using minimum cooling and lubricating cutting technology, then can substantially eliminate related with MWF all
Multi-environment problem and health problem.
Therefore, it is desirable that carrying out the cooling and lubricating during carbide cutting using micro lubricating agent and cooling medium
Effect.Such alternative solvent can be advantageously reduced or eliminate the problem related with water base MWF, and therefore reduce or disappear
Except the needs to traditional MWF maintenance or processing system such as pump and piece-rate system.In addition, sending the lubrication for passing minimum that can protect
Resource is protected, more consistent high quality process operation is maintained, and reduce service life cycle emissions, at the same time goes far towards to disappear
Except potential health risk related with the water base MWF of tradition and spoilage problems.
Invention content
In view of this, the present invention provides a kind of carbide cutting method based on liquid nitrogen cooling and lubricating, it is included in hard
It is sent during alloy cutting process and passs ultralow temperature nitrogen to workpiece, wherein ultralow temperature nitrogen is as lubricant, coolant, chip evacuation
Agent and/or for another lubricant or the carrier of corrosion inhibiter.
The technical scheme is that：Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that described
Method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=80-200m/min, feed engagement be f=
0.002-0.01mm/Z, cutting depth ap=0.001-0.005mm cut wide ae=0.001-0.005mm.
Further, the lubricant is the combination of any one of vegetable oil, mannitol or two kinds.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
The inventors discovered that ultralow temperature nitrogen may be used as in carbide cutting process/operation (such as cutting and molding)
Effectively lubricating agent and lubricant carrier.In addition, ultralow temperature nitrogen is than conventional oil-based or water-based metal cutting fluid（MWF）In hard
Better base grease is provided in alloy cutting, and it was found that ultralow temperature nitrogen has and conventional oil-based or water-based metal cutting fluid
(MWF) substantially similar lubricity is such at least in a kind of application of mechanical processing.For example pure oil of lubricant
(straightoil), it is most known lubricant for most process.And the present inventors have additionally discovered that ultralow temperature nitrogen
There is advantageous concertedness, i.e., the lubricating ability ratio measured by the combination to be surveyed when any of which is applied alone for combination with lubricant
The lubricating ability obtained is obviously more preferable.It has also been found that when oil is delivered in ultralow temperature nitrogen, even if applying less oil to system,
Also show that above-mentioned concertedness.For example, comparing the identical oil for sending delivery system with and without ultralow temperature nitrogen, it has been found that
The performance that delivery system is improved is sent with ultralow temperature nitrogen, but it is advantageous that, when companion ultralow temperature nitrogen send delivery system to be used together
When, with lesser amount of identical oil, it has been found that the result of these improvement.Further, the present inventor is it is also contemplated that according to herein
The method of middle embodiment can also advantageously remove cutting during clast or chip evacuation, reduce tool wear, provide it is anti-
Corrosivity and the surface smoothness for improving workpieces processing.
The present invention is suitable for closing in hard using the embodiment of the carbide cutting method based on liquid nitrogen cooling and lubricating
It is sent in gold cutting application and passs oil lubricant, boundary lubricant and extreme pressure lubricant, the efficiency of carbide cutting can be improved
With the amount for recycling, being reduced to the manufacture required raw material of product；Relevant issues caused by avoiding conventional metals cutting fluid；Make
Ultralow temperature nitrogen is used to obtain the effective recovery system for oil and surfactant as solvent.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only a part of the embodiment of the present invention to apply example, instead of all the embodiments.
Embodiment 1
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=100m/min, feed engagement be f=
0.002mm/Z, cutting depth ap=0.002mm cut wide ae=0.002mm.
Further, the lubricant is vegetable oil.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
Embodiment 2
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=80m/min, feed engagement be f=
0.005mm/Z, cutting depth ap=0.003mm cut wide ae=0.003mm.
Further, the lubricant is mannitol.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
Embodiment 3
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=200m/min, feed engagement be f=
0.002mm/Z, cutting depth ap=0.002mm cut wide ae=0.001mm.
Further, the lubricant is the combination of vegetable oil, two kinds of mannitol.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
Embodiment 4
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=120m/min, feed engagement be f=
0.01mm/Z, cutting depth ap=0.001mm cut wide ae=0.002mm.
Further, the lubricant is the combination of vegetable oil, two kinds of mannitol.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
Embodiment 5
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=160m/min, feed engagement be f=
0.008mm/Z, cutting depth ap=0.002mm cut wide ae=0.003mm.
Further, the lubricant is vegetable oil.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in supercritical carbon dioxide
It send cooled during passing.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
Embodiment 6
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=90m/min, feed engagement be f=
0.004mm/Z, cutting depth ap=0.004mm cut wide ae=0.005mm.
Further, the lubricant is mannitol.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
Embodiment 7
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=140m/min, feed engagement be f=
0.002mm/Z, cutting depth ap=0.002mm cut wide ae=0.003mm.
Further, the lubricant is vegetable oil.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
Embodiment 8
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=180m/min, feed engagement be f=
0.003/Z, cutting depth ap=0.004mm cut wide ae=0.002mm..
Further, the lubricant is the combination of vegetable oil, two kinds of mannitol.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
Embodiment 9
Carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
Further, the carbide cutting process is cutting process, and the gold wherein formed during cutting process
Belong to clast to be drained during ultralow temperature nitrogen send and passs.
Further, the cutting parameter of the cutting process be cutting speed V=160m/min, feed engagement be f=
0.01mm/Z, cutting depth ap=0.005mm cut wide ae=0.005mm.
Further, the lubricant is mannitol.
Further, the ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
Further, the cutting heat that the workpiece to be machined and cutting tool generate during the cutting process is in overcritical dioxy
Change carbon send pass during it is cooled.
Further, the carbide cutting method based on liquid nitrogen cooling and lubricating further includes in carbide cutting mistake
During journey, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas to workpiece, to provide
Additional cooling.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.It is noted that the technical characteristic not being described in detail in the present invention, can pass through this
Field any prior art is realized.
Claims (7)
1. the carbide cutting method based on liquid nitrogen cooling and lubricating, which is characterized in that the method includes：
S1. lubricant send be handed to workpiece before mix with ultralow temperature nitrogen；
S2. it send and passs ultralow temperature nitrogen to nozzle；
S3., the ultralow temperature nitrogen for being mixed with lubricant is sprayed onto to the cutting tool for carbide cutting process by nozzle.
2. the carbide cutting method according to claim 1 based on liquid nitrogen cooling and lubricating, which is characterized in that described hard
Matter alloy cutting process is tool cutting process, and the metal fragment wherein formed during cutting process is sent in ultralow temperature nitrogen
It is drained during passing.
3. the carbide cutting method according to claim 2 based on liquid nitrogen cooling and lubricating, which is characterized in that described to cut
The cutting parameter for cutting process is cutting speed V=80-200m/min, and feed engagement is f=0.002-0.01mm/Z, cutting depth
Ap=0.001-0.005mm cuts wide ae=0.001-0.005mm.
4. the carbide cutting method according to claim 1 based on liquid nitrogen cooling and lubricating, which is characterized in that the profit
Lubrication prescription is any one of vegetable oil and mannitol or two kinds of combination.
5. the carbide cutting method according to claim 2 based on liquid nitrogen cooling and lubricating, which is characterized in that described
Ultralow temperature nitrogen send the micro lubricating passed and realize cutting tool substantially.
6. the carbide cutting method according to claim 1 based on liquid nitrogen cooling and lubricating, which is characterized in that the quilt
The cutting heat that workpieces processing and cutting tool generate during the cutting process is cooled during supercritical carbon dioxide send and passs.
7. the carbide cutting method according to claim 6 based on liquid nitrogen cooling and lubricating, which is characterized in that further include
During carbide cutting process, is sent with pressure release cooling spray and pass at least one of compressed air or inert gas gas
Body is to workpiece, to provide additional cooling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810193754.1A CN108406434A (en) | 2018-03-09 | 2018-03-09 | Carbide cutting method based on liquid nitrogen cooling and lubricating |
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| CN201810193754.1A CN108406434A (en) | 2018-03-09 | 2018-03-09 | Carbide cutting method based on liquid nitrogen cooling and lubricating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385548A (en) * | 2018-10-25 | 2019-02-26 | 湖南工业大学 | A kind of hard alloy forming method cooling based on liquid nitrogen |
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