CN101209528A - Cooling device for cutting process - Google Patents
Cooling device for cutting process Download PDFInfo
- Publication number
- CN101209528A CN101209528A CNA2006101554787A CN200610155478A CN101209528A CN 101209528 A CN101209528 A CN 101209528A CN A2006101554787 A CNA2006101554787 A CN A2006101554787A CN 200610155478 A CN200610155478 A CN 200610155478A CN 101209528 A CN101209528 A CN 101209528A
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- gas
- magnetic valve
- temperature
- computer
- gas mixer
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- 238000005520 cutting process Methods 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 title claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 48
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 8
- 238000003860 storage Methods 0.000 abstract description 5
- 239000002173 cutting fluid Substances 0.000 description 15
- 238000000227 grinding Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005622 photoelectricity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001006 Constantan Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a cutting processing cooling device, comprising a low-temperature liquid storage tank 9, a gas mixing room 8, a compressed air filter 3, a pipe joint, a liquid nitrogen conveying pipe, electromagnetic valves 1, 2, 4, a pressure sensor 6, a temperature sensor 7, a control module, a detection module, a computer (industrial computer, micro-computer or singlechip), a display, a keyboard, and a signal line. The low-temperature liquid storage tank 9 is connected with the gas mixing room 8 through a gas conveying pipe and the electromagnetic valve 4; the compressed air is connected with the gas mixing room 8 through the gas conveying pipe, the filter 3 and the electromagnetic valve 2; the low-temperature gas and the normal-temperature gas are mixed in the mixing room; the output of the gas mixing room 8 passes through the gas conveying pipe and the electromagnetic valve 1; the temperature sensor 7 and the pressure sensor 6 in the gas mixing room 8 are connected with the detection module through the signal line; the electromagnetic valve 1, the electromagnetic valve 2 and the electromagnetic valve 4 are connected with the control module through the control signal line; the control module and the detection module are connected with the computer through communication lines.
Description
Technical field
The present invention be a kind of based on the green manufacturing theory pollution-free cooling device for cutting process, can be applicable in the machining such as turning in the industrial production, drilling, milling, grinding.
Background technology
Along with popularizing and the raising of cutter manufacturing technology of numerical controlization, the working (machining) efficiency of Metal Cutting Machine Tool is more and more higher, heat in metal cutting that is produced and point of a knife temperature rise are also more and more faster thereupon, more and more higher, the consumption of cutting fluid is also increasing, its ratio shared in processing cost is also increasing, even has reached 15%, makes the processing cost of machine components rise gradually; Early 1990s, developed country is around the influence problem of process of metal working to environment, carried out conscientious investigation, point out that cutting fluid is the pollution sources of machining industry, being embodied in of it: the high temperature that produces makes the cutting fluid volatilization that nebulizes, contaminated air in (1) cutting and the Grinding Process.(2) discharging pollutes the environment contaminated land, water source and air if cutting fluid is not treated.(3) supply of cutting fluid and administrative expenses, particularly poisonous and harmful cutting fluid and adhesive tape have the smear metal disposal cost of cutting fluid quite high, have increased production cost greatly.(4) additive in the cutting fluid (as S, Cl) can cause the potential quality accident of part, as intercrystalline corrosion etc.Under this situation, national governments all appropriate special money and subsidize the research that is processed as the DRY CUTTING processing technology of purpose with cleaning.At present, American-European popular high speed and dry cutting method, and Germany is in world lead level.According to the calendar year 2001 statistics, the enterprise of Germany existing about 8% adopts this technology.The more employing half dry type cutting method of Japan, as the low-temperature cold wind cutting, the air-flow cutting.On the 19th Tokyo International Machine Tool Exhibition in 1998, there are 43 to have half dry type cutting function in 69 Japanese exhibition lathes.Do not use the process technology of cutting fluid to become the major subjects that the metal cutting processing industry is faced, i.e. dry type, half dry type cutting method.
Utilize cryogenic gas to replace cutting fluid can effectively solve the heat in metal cutting problem in the working angles and not produce pollution, but the device of common conveying cutting fluid can not satisfy the needs of transporting low temperature gas.
Summary of the invention
The present invention will solve the dispensing problem of cutting with cryogenic gas, and the device of a kind of suitable transporting low temperature gas to cutting zone is provided.
Cooling device for cutting process of the present invention, comprise cryogenic liquid hold-up tank 9, gas mixer chamber 8, compressed-air filter 3, pipe joint, the liquid nitrogen carrier pipe, magnetic valve 1,2,4, pressure sensor 6, temperature sensor 7, control module, detection module, computer (industrial computer, microcomputer or single-chip microcomputer), display, keyboard, holding wire, cryogenic liquid hold-up tank 9 passes through appendix, magnetic valve 4 inserts gas mixer chamber 8, compressed air is by appendix process filter 3, magnetic valve 2 inserts gas mixer chamber 8, cryogenic gas and gas at normal temperature are mixed at mixing chamber, and appendix is passed through in the output of gas mixer chamber 8, magnetic valve 1; The temperature sensor 7 that is contained in the gas mixer chamber 8 is connected with detection module by holding wire with pressure sensor 6; Magnetic valve 1, magnetic valve 2 and magnetic valve 4 are connected with control module by control signal wire; Control module links to each other with computer by order wire with detection module.
The course of work of this device is as follows: 1. device is opened, compressed air via filter filtering moisture, dust and other non-air impurity wherein after 3 appendixs and magnetic valve 2 feeds gas mixer chambers, liquid nitrogen directly feeds gas mixer chamber via appendix and magnetic valve 4, the two is after gas mixer chamber fully mixes, and its mist is via efferent duct, magnetic valve 1 and nozzle ejection.2. the course of work of hardware circuit: when device is opened, it at first is each device of initialization, whether the inquiry user sprays the desired temperature of gas again surely, then changes the manual subprogram that parameter is set over to if the user will reset temperature, otherwise the design temperature when reading task; Measure the Current Temperatures of gas mixer chamber then, compare current temperature value and set temperature value, if current temperature value and set temperature value equate, then magnetic valve is failure to actuate, if current temperature value and set temperature value are unequal, then with the action of the difference T control magnetic valve of current temperature value and set temperature value: when T＞0, increase the flow of liquid nitrogen, reduce compressed-air actuated flow; When T＜0, reduce the flow of liquid nitrogen, increase compressed-air actuated flow, thereby change liquid nitrogen and the compressed-air actuated ratio that feeds gas mixer chamber, till the temperature of gas mixer chamber reaches design temperature.Detect the pressure in the gas mixer chamber simultaneously, when pressure meets or exceeds maximum permissible value, pressure sensor sends an interrupt signal, computer just changes interrupt handling routine over to, thereby the flow of control magnetic valve 2 and magnetic valve 4 reduces the gas that enters gas mixer chamber, to prevent the super-pressure blast.
The style of work principle of installing whole hardware and circuit thereof is as follows: this device adopts liquid nitrogen and fuel-air mixture compression body or liquid nitrogen to replace cutting fluid that machining area is cooled off, the user can setting device the temperature of ejection gas, range of set temperature can be the arbitrary temp value between normal temperature and-100 ℃, and the mixed proportion of liquid nitrogen and two kinds of compositions of fuel-air mixture compression body is by the desired temperature decision of user.Circuit part is a core with computer and multifunctional data acquisition card solenoid valve control circuit, and computer is mainly used in the functions such as management of real-time control test process, data processing, storage, system management and data; Multifunctional data acquisition card is finished the collection of temperature data and pressure data; Modulate circuit amplifies sensor signal; Solenoid valve control circuit is the output control circuit that photoelectricity is isolated, and is used to control the action of each magnetic valve, and photoelectricity is isolated can prevent the interference of strong power system to computer system; Temperature sensor uses the wide sensor (can adopt the thermocouple sensor temperature-measuring range to be generally-200 ℃～200 ℃, or the thermal resistance sensor temperature-measuring range being-200 ℃～85 ℃) of temperature-measuring range; Pressure sensor mainly provides superpressure interrupt signal (can adopt pressure switch).
This device compared with prior art has following advantage and beneficial effect: (1) this device is by computer controlled automatic, and is easy and simple to handle; (2) this device adopts liquid nitrogen to replace traditional cutting fluid, can effectively reduce the temperature of cutting region; (3) expenses such as storage relevant and processing have been saved with cutting fluid; (4) it is pollution-free using the outstanding advantage of this device.
Description of drawings:
Fig. 1 is temperature automatically controlled sub-zero machining processing cooling device structural representation;
Fig. 2 is the hardware circuit block diagram;
Fig. 3 is a superpressure interrupt routine flow chart;
Fig. 4 is the main program flow chart of computer control temperature;
Fig. 5 is the flow chart of temperature control subprogram.
The specific embodiment
Cooling device for cutting process of the present invention, comprise cryogenic liquid hold-up tank 9, gas mixer chamber 8, compressed-air filter 3, pipe joint, the liquid nitrogen carrier pipe, magnetic valve 1,2,4, pressure sensor 6, temperature sensor 7, control module, detection module, computer (industrial computer, microcomputer or single-chip microcomputer), display, keyboard, holding wire, cryogenic liquid hold-up tank 9 passes through appendix, magnetic valve 4 inserts gas mixer chamber 8, compressed air is by appendix process filter 3, magnetic valve 2 inserts gas mixer chamber 8, cryogenic gas and gas at normal temperature are mixed at mixing chamber, and appendix is passed through in the output of gas mixer chamber 8, magnetic valve 1; The temperature sensor 7 that is contained in the gas mixer chamber 8 is connected with detection module by holding wire with pressure sensor 6; Magnetic valve 1, magnetic valve 2 and magnetic valve 4 are connected with control module by control signal wire; Control module links to each other with computer by order wire with detection module.
According to shown in Figure 1, design, make or choose each parts of this device and connect each parts by diagramatic way; For example: cryogenic liquid hold-up tank 9 can be selected auto-pressurizing cryogenic liquid hold-up tank for use, gas mixer chamber 8 can select for use alloy steel material to be processed into, appendix can be made with plastic-aluminum pipe or the good material of other thermal insulations, the pipe joint that pipe joint is acted charitably with sealing, magnetic valve is selected electromagnetic flow valve or digital stream metered valve for use, and each parts is chosen and made that good back by specification is described to be installed and be connected.
Computer can be selected 8051 series monolithics for use, display can be selected the small size LCDs for use, the output control circuit that solenoid valve control circuit selects for use photoelectricity to isolate, temperature sensor is selected copper constantan type thermocouple sensor (temperature-measuring range is generally-200 ℃～200 ℃) or metal fever resistance sensor (temperature-measuring range is-200 ℃～85 ℃) for use, also can use integrated temperature sensor, pressure sensor can be selected pressure switch for use, and each components and parts is by connection shown in Figure 2.
Press each program flow diagram establishment computer software control program of Fig. 3～Fig. 5, and the storage of input computer memory.
As shown in Figure 6, this device is applied to surface grinding machine, replace original cutting fluid spray system with this device, nozzle by this device directly will contain low temperature nitrogen and air gas mixture or pure liquid nitrogen spraying can be taken away a large amount of heat that grinding produces to grinding area, reduces the temperature of grinding area effectively.
Claims (1)
1. cooling device for cutting process, it is characterized in that comprising cryogenic liquid hold-up tank (9), gas mixer chamber (8), compressed-air filter (3), pipe joint, the liquid nitrogen carrier pipe, magnetic valve (1), (2), (4), pressure sensor (6), temperature sensor (7), control module, detection module, computer, display, keyboard, holding wire, cryogenic liquid hold-up tank (9) passes through appendix, magnetic valve (4) inserts gas mixer chamber (8), compressed air is by appendix process filter (3), magnetic valve (2) inserts gas mixer chamber (8), cryogenic gas and gas at normal temperature are mixed at mixing chamber, and appendix is passed through in the output of gas mixer chamber (8), magnetic valve (1); The temperature sensor (7) that is contained in the gas mixer chamber (8) is connected with detection module by holding wire with pressure sensor (6); Magnetic valve (1), magnetic valve (2) and magnetic valve (4) are connected with control module by control signal wire; Control module links to each other with computer by order wire with detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101554787A CN101209528A (en) | 2006-12-26 | 2006-12-26 | Cooling device for cutting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101554787A CN101209528A (en) | 2006-12-26 | 2006-12-26 | Cooling device for cutting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101209528A true CN101209528A (en) | 2008-07-02 |
Family
ID=39609879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101554787A Pending CN101209528A (en) | 2006-12-26 | 2006-12-26 | Cooling device for cutting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101209528A (en) |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767291A (en) * | 2009-01-06 | 2010-07-07 | 张震 | Low-temperature spraying system and technology of gear cutting equipment |
| CN101914663A (en) * | 2010-07-28 | 2010-12-15 | 太原科技大学 | Liquid nitrogen refrigerating type subzero treating device and temperature detecting control method |
| CN101927440A (en) * | 2010-04-08 | 2010-12-29 | 张震 | Machine tool capable of using low-temperature cooling media |
| CN101708595B (en) * | 2009-11-26 | 2011-05-04 | 上海大学 | Strong cooling device for grinding camshaft |
| CN102448666A (en) * | 2009-05-27 | 2012-05-09 | 报国株式会社 | Cutting liquid supply device for machine tool |
| CN102562122A (en) * | 2012-03-08 | 2012-07-11 | 中国海洋大学 | Mobile liquid cooling device without electric drive and liquid cooling method |
| CN102748586A (en) * | 2012-07-24 | 2012-10-24 | 天津开发区合普工贸有限公司 | Equipment for precisely proportionally sealing and uniformly mixing multi-path gas, and conveying multi-path gas at constant temperature and constant pressure |
| CN103388744A (en) * | 2013-08-13 | 2013-11-13 | 刘群艳 | Liquid nitrogen conveying device and operating method thereof |
| CN105150026A (en) * | 2015-09-24 | 2015-12-16 | 泰州市姜堰奥威机械有限公司 | Precise cutting fluid cooler |
| CN105498566A (en) * | 2014-09-23 | 2016-04-20 | 上海航天设备制造总厂 | Gas-liquid two-phase mixed low-temperature nitrogen gas jet flow generation apparatus |
| CN105583689A (en) * | 2016-03-03 | 2016-05-18 | 华中科技大学 | Double-sprayer type liquid nitrogen cooling system suitable for Inconel 718 cutting machining |
| CN105773297A (en) * | 2014-12-26 | 2016-07-20 | 江苏同盛环保技术有限公司 | Novel machine tool cooling device |
| CN106641698A (en) * | 2016-11-29 | 2017-05-10 | 神华集团有限责任公司 | Inhibitor preparation device and inhibitor preparation method |
| CN107627148A (en) * | 2017-10-25 | 2018-01-26 | 中国航发航空动力股份有限公司 | A kind of compressed air and liquid nitrogen combination cooling device |
| CN107775441A (en) * | 2016-08-31 | 2018-03-09 | 漳州东刚精密机械有限公司 | A kind of numerical control depth cooling system for substituting cutting fluid |
| CN107855825A (en) * | 2017-09-25 | 2018-03-30 | 东莞安默琳机械制造技术有限公司 | Automatic liquid nitrogen combined mist cooling means |
| CN108246895A (en) * | 2018-02-14 | 2018-07-06 | 普利仕科技（苏州工业园区）有限公司 | The cooling device and stamping die of a kind of stamping die |
| CN108262490A (en) * | 2018-03-28 | 2018-07-10 | 昆明银科电子材料股份有限公司 | For the nitrogen cooling means and system of touch screen silver powder preparation process |
| CN108274080A (en) * | 2018-02-11 | 2018-07-13 | 嵊州市诺米克进出口有限公司 | A kind of novel green manufacturing device |
| CN108340028A (en) * | 2018-02-11 | 2018-07-31 | 嵊州市诺米克进出口有限公司 | A kind of green manufacturing device |
| CN109049101A (en) * | 2018-06-01 | 2018-12-21 | 上海航天设备制造总厂有限公司 | Aramid fiber reinforced composite low temperature process device and method |
| CN110026815A (en) * | 2019-04-19 | 2019-07-19 | 沈阳理工大学 | A kind of milling device |
| CN112123010A (en) * | 2020-09-04 | 2020-12-25 | 佛山宾达机械设备有限公司 | Micro-lubricating cooling device |
| WO2021035824A1 (en) * | 2019-08-28 | 2021-03-04 | 大连理工大学 | Independent liquid nitrogen supply and regulation device for ultralow-temperature cooling machining |
| CN112496363A (en) * | 2020-11-24 | 2021-03-16 | 南京航空航天大学 | Low-temperature system for low-temperature cutting machining and using method thereof |
| CN113049430A (en) * | 2021-03-30 | 2021-06-29 | 中国飞机强度研究所 | High-low temperature impact test device |
| CN113560061A (en) * | 2020-04-29 | 2021-10-29 | 南京航太机电有限公司 | Temperature-adjustable low-temperature gas spray gun system |
| CN114173991A (en) * | 2019-08-13 | 2022-03-11 | 应用材料公司 | Low temperature metal CMP for minimizing dishing and erosion and increasing pad roughness |
-
2006
- 2006-12-26 CN CNA2006101554787A patent/CN101209528A/en active Pending
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767291A (en) * | 2009-01-06 | 2010-07-07 | 张震 | Low-temperature spraying system and technology of gear cutting equipment |
| CN102448666A (en) * | 2009-05-27 | 2012-05-09 | 报国株式会社 | Cutting liquid supply device for machine tool |
| CN102448666B (en) * | 2009-05-27 | 2014-02-12 | 报国株式会社 | Cutting liquid supply device for machine tool |
| CN101708595B (en) * | 2009-11-26 | 2011-05-04 | 上海大学 | Strong cooling device for grinding camshaft |
| CN101927440A (en) * | 2010-04-08 | 2010-12-29 | 张震 | Machine tool capable of using low-temperature cooling media |
| CN101914663A (en) * | 2010-07-28 | 2010-12-15 | 太原科技大学 | Liquid nitrogen refrigerating type subzero treating device and temperature detecting control method |
| CN101914663B (en) * | 2010-07-28 | 2012-07-25 | 太原科技大学 | Liquid nitrogen refrigerating type subzero treating device and temperature detecting control method |
| CN102562122B (en) * | 2012-03-08 | 2014-12-10 | 中国海洋大学 | Mobile liquid cooling device without electric drive and liquid cooling method |
| CN102562122A (en) * | 2012-03-08 | 2012-07-11 | 中国海洋大学 | Mobile liquid cooling device without electric drive and liquid cooling method |
| CN102748586A (en) * | 2012-07-24 | 2012-10-24 | 天津开发区合普工贸有限公司 | Equipment for precisely proportionally sealing and uniformly mixing multi-path gas, and conveying multi-path gas at constant temperature and constant pressure |
| CN103388744A (en) * | 2013-08-13 | 2013-11-13 | 刘群艳 | Liquid nitrogen conveying device and operating method thereof |
| CN103388744B (en) * | 2013-08-13 | 2016-08-10 | 刘群艳 | A kind of liquid nitrogen conveyer and operational approach thereof |
| CN105498566A (en) * | 2014-09-23 | 2016-04-20 | 上海航天设备制造总厂 | Gas-liquid two-phase mixed low-temperature nitrogen gas jet flow generation apparatus |
| CN105498566B (en) * | 2014-09-23 | 2020-11-06 | 上海航天设备制造总厂 | Gas-liquid two-phase flow mixed low-temperature nitrogen jet generating device |
| CN105773297A (en) * | 2014-12-26 | 2016-07-20 | 江苏同盛环保技术有限公司 | Novel machine tool cooling device |
| CN105150026A (en) * | 2015-09-24 | 2015-12-16 | 泰州市姜堰奥威机械有限公司 | Precise cutting fluid cooler |
| CN105583689A (en) * | 2016-03-03 | 2016-05-18 | 华中科技大学 | Double-sprayer type liquid nitrogen cooling system suitable for Inconel 718 cutting machining |
| CN107775441A (en) * | 2016-08-31 | 2018-03-09 | 漳州东刚精密机械有限公司 | A kind of numerical control depth cooling system for substituting cutting fluid |
| CN106641698A (en) * | 2016-11-29 | 2017-05-10 | 神华集团有限责任公司 | Inhibitor preparation device and inhibitor preparation method |
| CN107855825A (en) * | 2017-09-25 | 2018-03-30 | 东莞安默琳机械制造技术有限公司 | Automatic liquid nitrogen combined mist cooling means |
| CN107855825B (en) * | 2017-09-25 | 2020-08-11 | 东莞安默琳机械制造技术有限公司 | Automatic liquid nitrogen composite spray cooling method |
| CN107627148A (en) * | 2017-10-25 | 2018-01-26 | 中国航发航空动力股份有限公司 | A kind of compressed air and liquid nitrogen combination cooling device |
| CN108340028A (en) * | 2018-02-11 | 2018-07-31 | 嵊州市诺米克进出口有限公司 | A kind of green manufacturing device |
| CN108274080A (en) * | 2018-02-11 | 2018-07-13 | 嵊州市诺米克进出口有限公司 | A kind of novel green manufacturing device |
| CN108246895A (en) * | 2018-02-14 | 2018-07-06 | 普利仕科技（苏州工业园区）有限公司 | The cooling device and stamping die of a kind of stamping die |
| CN108246895B (en) * | 2018-02-14 | 2024-03-29 | 普利仕科技（苏州工业园区）有限公司 | Stamping die's cooling device and stamping die |
| CN108262490A (en) * | 2018-03-28 | 2018-07-10 | 昆明银科电子材料股份有限公司 | For the nitrogen cooling means and system of touch screen silver powder preparation process |
| CN109049101A (en) * | 2018-06-01 | 2018-12-21 | 上海航天设备制造总厂有限公司 | Aramid fiber reinforced composite low temperature process device and method |
| CN110026815A (en) * | 2019-04-19 | 2019-07-19 | 沈阳理工大学 | A kind of milling device |
| CN114173991A (en) * | 2019-08-13 | 2022-03-11 | 应用材料公司 | Low temperature metal CMP for minimizing dishing and erosion and increasing pad roughness |
| WO2021035824A1 (en) * | 2019-08-28 | 2021-03-04 | 大连理工大学 | Independent liquid nitrogen supply and regulation device for ultralow-temperature cooling machining |
| CN113560061A (en) * | 2020-04-29 | 2021-10-29 | 南京航太机电有限公司 | Temperature-adjustable low-temperature gas spray gun system |
| CN112123010A (en) * | 2020-09-04 | 2020-12-25 | 佛山宾达机械设备有限公司 | Micro-lubricating cooling device |
| CN112496363A (en) * | 2020-11-24 | 2021-03-16 | 南京航空航天大学 | Low-temperature system for low-temperature cutting machining and using method thereof |
| CN113049430A (en) * | 2021-03-30 | 2021-06-29 | 中国飞机强度研究所 | High-low temperature impact test device |
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