CN203751969U - Three-phase cavitation abrasive material water-jet cutting device - Google Patents
Three-phase cavitation abrasive material water-jet cutting device Download PDFInfo
- Publication number
- CN203751969U CN203751969U CN201420167558.4U CN201420167558U CN203751969U CN 203751969 U CN203751969 U CN 203751969U CN 201420167558 U CN201420167558 U CN 201420167558U CN 203751969 U CN203751969 U CN 203751969U
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- Prior art keywords
- abrasive
- cavitation
- blender
- water jet
- machining device
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- Expired - Lifetime
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- 238000005520 cutting process Methods 0.000 title claims abstract description 48
- 239000003082 abrasive agent Substances 0.000 title abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000003754 machining Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 17
- 238000000227 grinding Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model relates to a three-phase cavitation abrasive material water-jet cutting device. The three-phase cavitation abrasive material water-jet cutting device comprises a water tank, a filter, a cavitation plunger pump, a safety valve, a pressure regulating valve, a tee joint, an abrasive material tank, a rotary nozzle, a mixer and a cutting nozzle, wherein one end of the filter is communicated with the water tank by a pipeline, the other end of the filter is communicated with one end of the cavitation plunger pump by a pipeline, the safety valve and the pressure regulating valve are communicated with the other end of the cavitation plunger pump by a pipeline respectively, one opening of the tee joint is communicated with the pressure regulating valve, one opening of the tee joint is communicated with the abrasive material tank, and the third opening of the tee joint is communicated with the mixer, the rotary nozzle is arranged in the abrasive material tank, the bottom of the abrasive material tank is communicated with the mixer, one end of the mixer is communicated with the water tank, and the other end of the mixer is communicated with the cutting nozzle. The three-phase cavitation abrasive material water-jet cutting device has wide cleaning range, is suitable for seaborne and underwater cutting environments and is particularly suitable for cold chipping in a flammable and combustible dangerous environment.
Description
Technical field
The utility model relates to a kind of three-phase cavitation Abrasive Water Jet Machining device, belongs to subsea cutting technology field.
Background technology
Existing mechanical friction type cutting, not only speed is slow, contaminated environment, and cost is high.Existing water under high pressure (200Mpa) cutting, while there is cutting, water flow pressure is large may cause the large-area tissue damage of human body, and the extremely low defect of cutting efficiency.
Utility model content
It is high that technical problem to be solved in the utility model is to provide a kind of cutting efficiency, safe and environmentally friendly three-phase cavitation Abrasive Water Jet Machining device.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of three-phase cavitation Abrasive Water Jet Machining device, comprise water tank, filter, cavitation plunger displacement pump, safety valve, pressure regulator valve, threeway, abrasive can, rotary nozzle, blender and cutting shower nozzle, one end of described filter is connected with described water tank by pipeline, the other end is connected with one end of described cavitation plunger displacement pump by pipeline, described safety valve and described pressure regulator valve are connected with the other end of described cavitation plunger displacement pump by pipeline respectively, a port of described threeway is connected with described pressure regulator valve, a port is connected with described abrasive can, another port is connected with described blender, described rotary nozzle is arranged in described abrasive can, the bottom of described abrasive can is connected with described blender, one end of described blender is connected with described water tank, the other end is connected with described cutting shower nozzle.
The beneficial effects of the utility model are:
1, in the time that the utility model three-phase cavitation Abrasive Water Jet Machining device uses, clean range is wide, is applicable to marine cutting environment under water, and the cold cut that particularly can be used for inflammable and explosive hazardous environment is cut.There is cutting jet pressure little, below 50MPa, avoided the danger of working in ultra-high voltage environment.
2, the utility model cost is low, the material of saving 25% and 40% labour, and productivity ratio improves more than 5 times.Cutting efficiency is high, has advantages of safety, environmental protection.Utilize the cavitation Abrasive Water Jet Machining device that a kind of confined pressure of the utility model development and design is flooded under environment to have larger economic implications and significant application value.
Cutting nozzles adopts optimal design, and develops with high-abrasive material; The key technologies such as cavitation plunger displacement pump and blender adopt accurately for abrasive material and in aspect technology such as intellectuality, numerical control controls.
Cavitation jet be liquid stream under certain pressure and uniform temperature, occur contain the quantity water jet of bubble such as not.All can make liquid stream that cavitation occurs whenever reducing flow stream pressure reduction flow stream velocity or raising fluid temperature etc.Cavitation bubble forms, develops and crumbles and fall not only relevant with the pressure for vaporization of fluid, also with liquid in the size and number of gas core have direct relation.The principal element that affects cavitation inception has: the characteristic (surface tension of liquid itself, tensile strength, temperature, total air content, free gas concentration, nuclear spectrum is size and the size distribution of cavitation nucleus, stickiness, compressibility, density, saturated vapor pressure etc.) flow dynamic characteristic (turbulivity of liquid, barometric gradient in flow field, pressure is process over time, heat conduction, gas diffusion effect etc.) and immerse the physicochemical characteristic (surface wettability of object plane, porous, roughness etc.).Wherein the existence of cavitation nucleus is the prerequisite of liquid cavitation, and the effect of confined pressure field is the external cause of liquid cavitation, pressure amplitude and the Time dependent liquid cavitation condition of exerting pressure.Can bring out cavitation bubble because liquid stream forms water jet, produce the water jet with mesoporous bubble, when it is impacted to object plane, just can be than there is larger erosion kinetic energy without the water jet of mesoporous bubble.If be carrier by the water jet that contains mesoporous bubble, add appropriate abrasive particle to be configured to a kind of non-newtonian fluid, the jet of this three-phase abrasive water composition is called three-phase cavitation abrasive water-jet.Because cavitation abrasive water-jet can be to slurry stream homogenising, make cavitation abradant jet present shear thinning characteristic, greatly reduce the barometric gradient of fluid in transfer pipeline, under confined pressure is flooded environment, the cavity in fluid not only plays the effect of transferring energy, while forming high-speed jet, jet beam shows significant intensity, and in the time that slurry jet flow impacts body surface, shows as again the instantaneous rigidity of class solid, can, more energy accumulating, form the strike of object plane is made a concerted effort.While impacting target surface due to cavitation abrasive water-jet, except stagnation pressure, erosion and grinding, also have cavitation, water hammering, the polymerization of the multi-acting forces such as shear stress, wedge cleaving, is achieved the condition of cutting below 50Mpa under water.
Remove in operation at offshore platform, the cutting of discarded production wellhead be under water wherein most important be also a most expensive engineer operation.Utilize the utility model three-phase cavitation Abrasive Water Jet Machining device not only can solve better the cutting problem of discarded well head, support and all kinds of Underwater Engineering of offshore drilling platform.But also the cutting of the hi-precision cutting of material such as the cold cut that can carry out boats and ships dismounting, inflammable and explosive hazardous environment is cut, glass, alloy, pottery and carbonization metal, thermo-sensitive material, fibrous composite and the object of other complicated shape.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described three-phase cavitation Abrasive Water Jet Machining device also comprises Pressure gauge, and described Pressure gauge is arranged on described cavitation plunger displacement pump.
Further, described three-phase cavitation Abrasive Water Jet Machining device also comprises swing handle lid and relief valve, and described swing handle lid and relief valve are arranged on respectively the top of described abrasive can.
Further, described three-phase cavitation Abrasive Water Jet Machining device also comprises cavitating nozzle, and described cavitating nozzle is arranged on one end of described blender, and described blender is connected with described water tank by described cavitating nozzle.
Further, described three-phase cavitation Abrasive Water Jet Machining device also comprises grinding material control valve, and described grinding material control valve is between described abrasive can and described blender, and described abrasive can is connected with described blender by described grinding material control valve.
Further, described three-phase cavitation Abrasive Water Jet Machining device also comprises high-pressure rubber pipe, and described threeway is connected with blender, pressure regulator valve and abrasive can respectively by described high-pressure rubber pipe; Described grinding material control valve is connected with described abrasive can and described blender respectively by described high-pressure rubber pipe; Described blender is connected with described cutting shower nozzle by described high-pressure rubber pipe.
Operation principle of the present utility model is as follows:
After described cavitation plunger displacement pump starts, the low-pressure water of water tank enters the pressurization of cavitation plunger displacement pump through filter, flows into threeway through high-pressure rubber pipe, observes pressure size by Pressure gauge.Described pressure regulator valve control water jet is divided into two-way by threeway, and a road enters the rotary nozzle in abrasive can, and the abrasive material that makes to pack in advance in abrasive can mixes generation vortex fluidisation mortar, and enters mixing through the grinding material control valve of abrasive can bottom; Another road water jet, penetrate through cavitating nozzle the water jet that contains mesoporous bubble and inject blender, making the current, the water sand milling material abundant shear-mixed in blender that contain mesoporous bubble is three-phase abrasive, through high-pressure rubber pipe high velocity stream to cutting nozzles, from cutting nozzles, penetrate the cavitation abrasive water-jet that high-energy is intensive, high speed erosion body surface.
Cutting nozzles can be arranged on material to be cut inside and outside, and for internal cutting and outer cutting, cutting material non-selectivity, changes without thermal deformation and metallographic structure; Kerf quality is high, and security performance is good, pollution-free, environmental protection.When cutting without wearing and tearing, no-spark, without the advantage such as depositing dust, concentration of energy, be applicable to being operated in the special occasions such as inflammable, explosive, temperature-sensitive, pressure-sensitive, fragility, poisonous, danger and deep water.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model three-phase cavitation Abrasive Water Jet Machining device.
In accompanying drawing, the list of parts of each label representative is as follows:
1, water tank, 2, filter, 3, cavitation plunger displacement pump, 4, Pressure gauge, 5, safety valve, 6, pressure regulator valve, 7, threeway, 8, abrasive can, 9, swing handle lid, 10, relief valve, 11, rotary nozzle, 12, grinding material control valve, 13, cavitating nozzle, 14, blender, 15, high-pressure rubber pipe, 16, cutting shower nozzle, 17, pipeline.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
A kind of three-phase cavitation Abrasive Water Jet Machining device, as shown in Figure 1, comprise water tank 1, filter 2, cavitation plunger displacement pump 3, safety valve 5, pressure regulator valve 6, threeway 7, abrasive can 8, rotary nozzle 11, blender 14 and cutting shower nozzle 16, one end of described filter 2 is connected with described water tank 1 by pipeline 17, the other end is connected with one end of described cavitation plunger displacement pump 3 by pipeline 17, described safety valve 5 and described pressure regulator valve 6 are connected with the other end of described cavitation plunger displacement pump 3 by pipeline 17 respectively, a port of described threeway 7 is connected with described pressure regulator valve 6, a port is connected with described abrasive can 8, another port is connected with described blender 14, described rotary nozzle 11 is arranged in described abrasive can 8, the bottom of described abrasive can 8 is connected with described blender 14, one end of described blender 14 is connected with described water tank 1, the other end is connected with described cutting shower nozzle 16.The rotating fluid that described rotary nozzle 11 produces, mixes abrasive material and produces vortex fluidisation mortar, has avoided abrasive material filling discharging opening, reduces cutting effect.Blender 14 can be arranged on arbitrarily abrasive can 8 bottoms according to the actual requirements between cutting nozzles 16.
Described cutting nozzles 16 can be arranged on material to be cut inside and outside, and for internal cutting and outer cutting, cutting material non-selectivity, changes without thermal deformation and metallographic structure.Cut object kerf quality is high, and security performance is good, pollution-free, environmental protection.When cutting without wearing and tearing, no-spark, without the advantage such as depositing dust, concentration of energy, be applicable to being operated in the special occasions such as inflammable, explosive, temperature-sensitive, pressure-sensitive, fragility, poisonous, danger and deep water.
Described three-phase cavitation Abrasive Water Jet Machining device also comprises Pressure gauge 4, and described Pressure gauge 4 is arranged on described cavitation plunger displacement pump 3.
Described three-phase cavitation Abrasive Water Jet Machining device also comprises swing handle lid 9 and relief valve 10, and described swing handle lid 9 and relief valve 10 are arranged on respectively the top of described abrasive can 8.
Described three-phase cavitation Abrasive Water Jet Machining device also comprises cavitating nozzle 13, and described cavitating nozzle 13 is arranged on one end of described blender 14, and described blender 14 is connected with described water tank 1 by described cavitating nozzle 13.The water jet that cavitating nozzle 13 penetrates contains mesoporous bubble, and in blender 14, making the current, the abundant shear-mixed of water sand milling material that contain mesoporous bubble is three-phase abrasive, makes to cut the effect that target surface had not only been subject to cavitation bubble effect but also had been subject to abrasive material.
Described three-phase cavitation Abrasive Water Jet Machining device also comprises grinding material control valve 12, and described grinding material control valve 12 is between described abrasive can 8 and described blender 14, and described abrasive can 8 is connected with described blender 14 by described grinding material control valve 12.
Described three-phase cavitation Abrasive Water Jet Machining device also comprises high-pressure rubber pipe 15, and described threeway 7 is connected with blender 14, pressure regulator valve 6 and abrasive can 8 respectively by described high-pressure rubber pipe 15; Described grinding material control valve 12 is connected with described abrasive can 8 and described blender 14 respectively by described high-pressure rubber pipe 15; Described blender 14 is connected with described cutting shower nozzle 16 by described high-pressure rubber pipe 15.
Workflow of the present utility model is as follows:
As shown in Figure 1, after cavitation plunger displacement pump 3 starts, the low-pressure water of water tank 1 enters cavitation plunger displacement pump 3 through filter 2 and pressurizes, and flows into threeway through high-pressure rubber pipe 15, observes pressure size by Pressure gauge 4.Pressure regulator valve 6 is controlled water jet and is divided into two-way by threeway 7, and a road enters the rotary nozzle 11 in abrasive can 8, and the abrasive material that makes to pack in advance in abrasive can 8 mixes generation vortex fluidisation mortar, and enters blender 14 through the grinding material control valve 12 of abrasive can 8 bottoms.Another road water jet that threeway 7 separates, penetrate through cavitating nozzle 13 water jet that contains mesoporous bubble and inject blender 14, making the current, the water sand milling material abundant shear-mixed in blender 14 that contain mesoporous bubble is three-phase abrasive, through high-pressure rubber pipe 15 high velocity stream to cutting nozzles 16, from cutting nozzles 16, penetrate the cavitation abrasive water-jet that high-energy is intensive, high speed erosion body surface.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a three-phase cavitation Abrasive Water Jet Machining device, it is characterized in that: comprise water tank, filter, cavitation plunger displacement pump, safety valve, pressure regulator valve, threeway, abrasive can, rotary nozzle, blender and cutting shower nozzle, one end of described filter is connected with described water tank by pipeline, the other end is connected with one end of described cavitation plunger displacement pump by pipeline, described safety valve and described pressure regulator valve are connected with the other end of described cavitation plunger displacement pump by pipeline respectively, a port of described threeway is connected with described pressure regulator valve, a port is connected with described abrasive can, another port is connected with described blender, described rotary nozzle is arranged in described abrasive can, the bottom of described abrasive can is connected with described blender, one end of described blender is connected with described water tank, the other end is connected with described cutting shower nozzle.
2. three-phase cavitation Abrasive Water Jet Machining device according to claim 1, is characterized in that: described three-phase cavitation Abrasive Water Jet Machining device also comprises Pressure gauge, and described Pressure gauge is arranged on described cavitation plunger displacement pump.
3. three-phase cavitation Abrasive Water Jet Machining device according to claim 1, is characterized in that: described three-phase cavitation Abrasive Water Jet Machining device also comprises swing handle lid and relief valve, and described swing handle lid and relief valve are arranged on respectively the top of described abrasive can.
4. three-phase cavitation Abrasive Water Jet Machining device according to claim 1, it is characterized in that: described three-phase cavitation Abrasive Water Jet Machining device also comprises cavitating nozzle, described cavitating nozzle is arranged on one end of described blender, and described blender is connected with described water tank by described cavitating nozzle.
5. three-phase cavitation Abrasive Water Jet Machining device according to claim 1, it is characterized in that: described three-phase cavitation Abrasive Water Jet Machining device also comprises grinding material control valve, described grinding material control valve is between described abrasive can and described blender, and described abrasive can is connected with described blender by described grinding material control valve.
6. three-phase cavitation Abrasive Water Jet Machining device according to claim 5, it is characterized in that: described three-phase cavitation Abrasive Water Jet Machining device also comprises high-pressure rubber pipe, and described threeway is connected with blender, pressure regulator valve and abrasive can respectively by described high-pressure rubber pipe; Described grinding material control valve is connected with described abrasive can and described blender respectively by described high-pressure rubber pipe; Described blender is connected with described cutting shower nozzle by described high-pressure rubber pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167558.4U CN203751969U (en) | 2014-04-08 | 2014-04-08 | Three-phase cavitation abrasive material water-jet cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167558.4U CN203751969U (en) | 2014-04-08 | 2014-04-08 | Three-phase cavitation abrasive material water-jet cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN203751969U true CN203751969U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420167558.4U Expired - Lifetime CN203751969U (en) | 2014-04-08 | 2014-04-08 | Three-phase cavitation abrasive material water-jet cutting device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921216A (en) * | 2014-04-08 | 2014-07-16 | 中国海洋工程公司 | Three-phase cavitation abrasive water jet cutting device |
| CN104625970A (en) * | 2014-12-20 | 2015-05-20 | 天津艾浮瑞特科技有限公司 | Mining mobile type power-supply-free water cutter |
| CN104972404A (en) * | 2015-02-03 | 2015-10-14 | 浙江工业大学 | Flow polishing device for manufacturing ultrasmooth surfaces by gas-liquid-solid abrasive flow |
| CN105773431A (en) * | 2016-03-14 | 2016-07-20 | 刘媛婷 | Abrasive water jet metallic surface cleaning system |
| CN106695576A (en) * | 2017-03-17 | 2017-05-24 | 河南理工大学 | Pre-mixing type pulsed abrasive gas-jet erosion method and device |
| CN108890541A (en) * | 2018-06-04 | 2018-11-27 | 江苏大学 | A kind of device and method of the micro- part Plastic Forming of artificial submerged cavitation jet |
| CN114571368A (en) * | 2022-03-01 | 2022-06-03 | 重庆大学 | High-pressure abrasive water jet cutting device and cutting method |
-
2014
- 2014-04-08 CN CN201420167558.4U patent/CN203751969U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921216A (en) * | 2014-04-08 | 2014-07-16 | 中国海洋工程公司 | Three-phase cavitation abrasive water jet cutting device |
| CN104625970A (en) * | 2014-12-20 | 2015-05-20 | 天津艾浮瑞特科技有限公司 | Mining mobile type power-supply-free water cutter |
| CN104972404A (en) * | 2015-02-03 | 2015-10-14 | 浙江工业大学 | Flow polishing device for manufacturing ultrasmooth surfaces by gas-liquid-solid abrasive flow |
| CN104972404B (en) * | 2015-02-03 | 2017-03-15 | 浙江工业大学 | A kind of gas-liquid-solid three-phase abrasive Flow super-smooth surface fluid polishing device |
| CN105773431A (en) * | 2016-03-14 | 2016-07-20 | 刘媛婷 | Abrasive water jet metallic surface cleaning system |
| CN106695576A (en) * | 2017-03-17 | 2017-05-24 | 河南理工大学 | Pre-mixing type pulsed abrasive gas-jet erosion method and device |
| CN106695576B (en) * | 2017-03-17 | 2023-08-15 | 河南理工大学 | Pre-mixing type pulse abrasive gas jet erosion method and device |
| CN108890541A (en) * | 2018-06-04 | 2018-11-27 | 江苏大学 | A kind of device and method of the micro- part Plastic Forming of artificial submerged cavitation jet |
| CN114571368A (en) * | 2022-03-01 | 2022-06-03 | 重庆大学 | High-pressure abrasive water jet cutting device and cutting method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |