CN107058718A - A kind of device and method strengthened for axial workpiece cavitation jet - Google Patents
A kind of device and method strengthened for axial workpiece cavitation jet Download PDFInfo
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- CN107058718A CN107058718A CN201710143402.0A CN201710143402A CN107058718A CN 107058718 A CN107058718 A CN 107058718A CN 201710143402 A CN201710143402 A CN 201710143402A CN 107058718 A CN107058718 A CN 107058718A
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- hole
- spray nozzle
- test specimen
- nozzle device
- specimen axle
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
Abstract
The invention provides a kind of device and method strengthened for axial workpiece cavitation jet, the device includes Work-piece processing system, high service system, low service, cistern and spray nozzle device, the spray nozzle device is T-shaped structure, the central axis of spray nozzle device is provided with through hole, it is provided with and high pressure water hole identical annular channel on the outside of through hole, the inwall of spray nozzle device is provided with multiple equally distributed contractive set channel layer, the contractive set channel layer is communicated provided with circumferentially equally distributed contracted channel, contracted channel with through hole and annular channel；The present invention by giving annular channel and through hole to supply water under high pressure and low pressure water respectively, so that contracted channel produces cavitation bubble, local super-pressure is produced when being crumbled and fall using cavitation bubble and high impact wave strengthens the surface of axial workpiece, avoided introducing external energy compared to the laser cavitation reinforcing present invention to reach generation cavitation effect, whole device system architecture is simple simultaneously, is conducive to the quick reinforcing of longaxones parts.
Description
Technical field
The present invention relates to the device and method of axial workpiece cavitation, more particularly to one kind are strong for axial workpiece cavitation jet
The device and method of change.
Background technology
Cavitation phenomenon is a kind of phenomenon in hydrodynamics, the problem of be field of hydraulic machinery long-term existence.Work as liquid
When internal local pressure is reduced to saturated vapor pressure or even negative value, a hole can be formed on the boundary of liquid internal and solid-liquid,
Commonly referred to as this phenomenon is cavitation.With research field continuous expansion and deeply, water pump and the hydraulic turbine be found that in succession by
In the phenomenon of cavitation corrosion caused by cavitation, cavitation erosion is also occurred in that in the outlet structure escape works of high dam.The profit for how rationally
It is always the problem of researcher is of interest for social production service with cavitation phenomenon.
Axle is quite varied using scope as the core component on rotating mechanism.Axle is that stress is most in whole rotating mechanism
Big and the most complicated part, the stability of axle directly determines the stability of whole system.However, because the long-term moment of torsion that bears is born
Lotus and the extruding and friction of bearing, the topmost destruction of axial workpiece shows as wearing and tearing, is plastically deformed, fatigue fracture, seriously
When even there is the situation directly twisted off, seriously threaten unit safety.Therefore, intensive treatment is carried out to the surface of axial workpiece,
Improve its anti-wear performance and fatigue life has far-reaching significance.
Cavitation jet reinforcing be it is a kind of using bubble collapse when the high-energy-density shock wave that produces surface is carried out to material
The method of intensive treatment, this method coordinates the nozzle induction of special construction to produce cavitation vacuole by high-pressure water jet, and vacuole exists
Material surface is crumbled and fall and produces microjet and shock wave, material surface crystal structure is changed and is produced larger residual
Residue stress.Advantage of the method compared with laser cavitation reinforcement induces the generation of cavitation without external energy is introduced,
And relatively conventional bead method have the advantages that efficiently, cleaning and save.However, not applying cavitation in the prior art
It is jet strengthened that the device of surface Hardening Treatment is carried out to material.
The content of the invention
For Shortcomings in the prior art, the invention provides a kind of device strengthened for axial workpiece cavitation jet
And method, vacuole is produced by nozzle, it is strong that the jet for carrying vacuole is acted directly on into progress surface on the surface of axial workpiece
Change, the vacuole shock wave that varying strength can be carried out to axle metalloid material surface is strengthened.
The present invention is to realize above-mentioned technical purpose by following technological means.
A kind of device strengthened for axial workpiece cavitation jet, including Work-piece processing system, high service system, low pressure
Water system, cistern and spray nozzle device；
The Work-piece processing system includes drive device and processing pond, and the drive device is slidably connected with two-dimentional guide rail,
Drive device is provided with scroll chuck and scroll chuck joystick, and the scroll chuck is used to clamp and position and test specimen axle；
The spray nozzle device is T-shaped structure, and the central axis of spray nozzle device, which is provided with the outside of through hole, through hole, is provided with annular flow
Road, the upper end of spray nozzle device is provided with both sides on the symmetrical high pressure water hole of through hole, and the high pressure water hole is communicated with annular channel；
The spray nozzle device horizontal positioned, test specimen axle passes through through hole, through hole and two-dimentional guide rail keeping parallelism, the two ends of through hole
Respectively front nozzle and rear nozzle, are equipped with choma, the inwall of spray nozzle device between front nozzle and rear nozzle and test specimen axle and set
There are multiple contractive set channel layer, the contractive set channel layer is provided with circumferentially equally distributed multiple contracted channels, the contractive set
The tangential angle α of water inlet in road is more than the tangential angle β of delivery port, and contracted channel is communicated with annular channel and through hole；
The processing pond is located at the lower section of spray nozzle device, and processing pond is connected with cistern by pipeline；
The high service system is supplied water to high pressure water hole, and the low service is supplied to the through hole on spray nozzle device
Water.
Preferably, the high service system includes high-pressure plunger pump, and the delivery port of high-pressure plunger pump is distinguished by pipeline
It is connected with high pressure water hole and cistern；The low service includes centrifugal pump, and centrifugal pump is filled with nozzle respectively by pipeline
Rear nozzle and the cistern connection put.
Preferably, relief valve is installed on the delivery port of the high-pressure plunger pump and the connecting line of cistern.
Preferably, the high-pressure plunger pump is provided with pressure gauge with high pressure water hole junction.
Preferably, the tangential angle α of the water inlet of the contracted channel be 30 °~40 °, the tangential angle β of delivery port be 20 °~
30 °, the circumference cornerite γ of the contracted channel is 40 °~45 °, and the radial thickness of the contracted channel internal and external circumference is nozzle dress
Put the wall thickness of outer wall 0.1~0.5 times, the contractive set channel layer is axially equidistantly uniformly distributed along spray nozzle device, the nozzle dress
Put 0.4~0.8 times that the test specimen axial length containing contractive set channel layer is through hole axial length.
A kind of method using the above-mentioned device strengthened for axial workpiece cavitation jet, is comprised the steps of：
Step one：Test specimen axle is pre-processed.Test specimen axle surface is cleaned with absolute ethyl alcohol or acetone, test specimen axle table is removed
The greasy dirt and grieshoch in face, make test specimen axle surface brighter and cleaner, prevent from producing interference to cavitation jet strengthening process；
Step 2：The clamping and positioning of test specimen axle.With scroll chuck by pretreated test specimen axis clamping, pass through test specimen axle
The through hole of spray nozzle device, and it is coaxial with spray nozzle device.
Step 3：Start the centrifugal pump in low service, low pressure water is injected into through hole so that the reinforcing of test specimen axle
Section is submerged in low pressure water；
Step 4：Start high-pressure plunger pump, the water in retaining pond is input to high pressure water hole, monitor manometric pressure
Value, the adjusting pressure release valve when hypertonia；
Step 5：Start drive device, driving test specimen axle carries out circular motion and at the uniform velocity axial feed motion simultaneously, it is ensured that
The uniformity and reliability of surface peening.
Step 6：All devices are closed, treated test specimen axle is removed, are applied after drying process on test specimen axle surface
Upper corrosion protection layer.
Beneficial effects of the present invention：
1) present invention produces cavitation bubble using the contracted channel of spray nozzle device, and local superelevation is produced when being crumbled and fall using cavitation bubble
Pressure and high impact wave strengthen the surface of axial workpiece, and relatively conventional bead method has efficient, cleaning and energy-conservation etc.
Advantage, and avoid introducing external energy compared to the laser cavitation reinforcing present invention to reach generation cavitation effect, while whole device
System architecture is simple, is conducive to the quick reinforcing of longaxones parts；
2) vacuole shock wave reinforcing axial workpiece is more more obvious than traditional shot-peening effect, the residual compressive stress of wall,
Fatigue life is substantially extended, and the wearability of axle is strengthened.
Brief description of the drawings
Fig. 1 is a kind of structural representation for axial workpiece cavitation jet intensifying device of the present invention.
Fig. 2 is the axial cross-sectional views of spray nozzle device of the present invention.
Fig. 3 is the contractive set channel layer schematic diagram on spray nozzle device of the present invention.
Wherein：
1. high-pressure plunger pump；2. drive device；3. process pond；4. spray nozzle device；5. test specimen axle；6. retaining pond；7. pressure
Power table；8. relief valve；9. centrifugal pump, 10. chomas；11. two-dimentional guide rail；12. scroll chuck；13. high pressure water hole；14. contractive set
Road；15. through hole；16. annular channel.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
As shown in figure 1, a kind of device strengthened for axial workpiece cavitation jet of the present invention, including work pieces process
System, high service system, low service, cistern 6 and spray nozzle device 4, the Work-piece processing system include driving and filled
2 and processing pond 3 are put, the drive device 2 is provided with scroll chuck 12 and scroll chuck joystick, and the scroll chuck 12 is used
It is slidably connected in clamping and positioning with test specimen axle 5, drive device 2 with two-dimentional guide rail 11, the two-dimentional guide rail 11 and drive device 2
Test specimen axle 5 can be realized while carrying out feed motion and rotary motion.
The spray nozzle device 4 is T-shaped structure, and the central axis of spray nozzle device 4 is provided with through hole 15, and the outside of through hole 15 is provided with
Annular channel 16, the upper end of spray nozzle device 4 provided with both sides on the symmetrical high pressure water hole 13 of through hole 15, the high pressure water hole 13 with
Annular channel 16 is communicated.
Spray nozzle device 4 is placed on support so that through hole 15 passes through through hole 15 with the two-dimentional keeping parallelism of guide rail 11, test specimen axle 5,
The two ends of through hole 15 are respectively front nozzle and rear nozzle, and choma 10 is equipped between front nozzle and rear nozzle and test specimen axle 5, described
Choma 10 can seal up a part of space between front and rear nozzle and axle 5.
The inwall of spray nozzle device 4 is provided with multiple contractive set channel layer, and the contractive set channel layer is provided with circumferentially uniform point
Multiple contracted channels 14 of cloth, the contracted channel 14 is communicated with annular channel 16 and through hole 15.The contracted channel 14 enters
The tangential angle α in the mouth of a river is 30 °~40 °, and the tangential angle β of delivery port is 20 °~30 °, the circumference cornerite γ of the contracted channel 14
For 40 °~45 °, the radial thickness of the internal and external circumference of contracted channel 14 is 0.1~0.5 times of the wall thickness of the outer wall of spray nozzle device 4,
The contractive set channel layer is equidistantly uniformly distributed along the axis of spray nozzle device 4, and the axial length containing runner is on the spray nozzle device 4
0.4~0.8 times of the axial length of through hole 15.
The processing pond 3 is located at the lower section of spray nozzle device 4 and is used to collect what is flowed out at the front and rear nozzle on spray nozzle device 4
Water, processing pond 3 is connected with cistern 6.The high service system includes high-pressure plunger pump 1, and the delivery port of high-pressure plunger pump 1 leads to
Connection of the pipeline respectively with high pressure water hole 13 and with cistern 6 is crossed, high-pressure plunger pump 1 on the connecting line in high pressure water hole 13 with setting
Have relief valve 8, the hypertonia for preventing water under high pressure, it is ensured that device it is safe and reliable.High-pressure plunger pump 1 and high pressure water hole 13
Junction pressure gauge 7 is installed, the pressure gauge 7 is used for the inlet pressure for monitoring nozzle.
The low service include centrifugal pump 9, centrifugal pump 9 by pipeline respectively with the rear nozzle on spray nozzle device 4
Connected with cistern 6.
Using the method for the device of the present invention strengthened for test specimen axial workpiece cavitation jet, comprise the steps of：
Step one：Test specimen axle 5 is pre-processed.The surface of test specimen axle 5 is cleaned with absolute ethyl alcohol or acetone, test specimen examination is removed
The greasy dirt and grieshoch on the surface of part axle 5, make the surface of test specimen axle 5 brighter and cleaner, prevent from producing interference to cavitation jet strengthening process；
Step 2：The clamping and positioning of test specimen axle 5.Pretreated test specimen axle 5 is clamped with scroll chuck 12, makes test specimen axle
5 pass through the through hole 5 of spray nozzle device 4, and coaxial with spray nozzle device 4.
Step 3：Start the centrifugal pump 9 in low service, low pressure water is injected into through hole 5 so that test specimen axle 5
Strengthening segment is submerged in low pressure water；
Step 4：Start high-pressure plunger pump 1, the water in retaining pond 6 is input to high pressure water hole 13, monitor pressure gauge 7
Pressure value, the adjusting pressure release valve 8 when hypertonia；
Step 5：Start drive device 2, driving test specimen axle 5 carries out circular motion and at the uniform velocity axial feed motion, protected simultaneously
Demonstrate,prove the uniformity and reliability of surface peening.
Step 6：All devices are closed, treated test specimen axle 5 is removed, on the surface of test specimen axle 5 after drying process
Coat corrosion protection layer.
For the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment to the embodiment, not
In the case of the substantive content of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (6)
1. a kind of device strengthened for axial workpiece cavitation jet, it is characterised in that including Work-piece processing system, high service
System, low service, cistern (6) and spray nozzle device (4)；
The Work-piece processing system includes drive device (2) and processing pond (3), the drive device (2) and two-dimentional guide rail (11)
It is slidably connected, drive device (2) is provided with scroll chuck (12) and scroll chuck joystick, the scroll chuck (12) is used for
Clamp and positioning and test specimen axle (5)；
The spray nozzle device (4) is T-shaped structure, and the central axis of spray nozzle device (4) is provided with the outside of through hole (15), through hole (15)
Provided with annular channel (16), the upper end of spray nozzle device (4) is provided with both sides on the symmetrical high pressure water hole (13) of through hole (15), described
High pressure water hole (13) is communicated with annular channel (16)；
Spray nozzle device (4) horizontal positioned, test specimen axle (5) passes through through hole (15), and through hole (15) is kept with two-dimentional guide rail (11)
Parallel, the two ends of through hole (15) are respectively front nozzle and rear nozzle, and mouth is equipped between front nozzle and rear nozzle and test specimen axle (5)
Ring (10), the inwall of spray nozzle device (4) is provided with multiple contractive set channel layer, and the contractive set channel layer is provided with circumferentially uniform point
Multiple contracted channels (14) of cloth, the tangential angle α of water inlet of the contracted channel (14) is more than the tangential angle β of delivery port, receives
Contracting runner (14) is communicated with annular channel (16) and through hole (15)；
The processing pond (3) is located at the lower section of spray nozzle device (4), and processing pond (3) is connected with cistern (6) by pipeline；
The high service system supplies water to high pressure water hole (13), and the low service is to the through hole on spray nozzle device (4)
(15) supply water.
2. the device according to claim 1 strengthened for axial workpiece cavitation jet, it is characterised in that the high pressure is supplied
Water system includes high-pressure plunger pump (1), the delivery port of high-pressure plunger pump (1) by pipeline respectively with high pressure water hole (13) and retaining
Pond (6) is connected；The low service include centrifugal pump (9), centrifugal pump (9) by pipeline respectively with spray nozzle device (4)
Rear nozzle and cistern (6) connection.
3. the device according to claim 2 strengthened for axial workpiece cavitation jet, it is characterised in that the high-pressure column
The delivery port of plug pump (1) on the connecting line of cistern (6) with being provided with relief valve (8).
4. the device according to claim 2 strengthened for axial workpiece cavitation jet, it is characterised in that the high-pressure column
Fill in pump (1) and be provided with pressure gauge (7) with high pressure water hole (13) junction.
5. the device according to claim 1 strengthened for axial workpiece cavitation jet, it is characterised in that the contractive set
The tangential angle α of water inlet in road (14) is 30 °~40 °, the tangential angle β of delivery port is 20 °~30 °, the contracted channel (14)
Circumference cornerite γ be 40 °~45 °, the radial thickness of contracted channel (14) internal and external circumference is spray nozzle device (4) outer wall
0.1~0.5 times of wall thickness, the contractive set channel layer is axially equidistantly uniformly distributed along spray nozzle device (4), the spray nozzle device (4)
On the test specimen axial length containing contractive set channel layer be 0.4~0.8 times of through hole (15) axial length.
6. being used for the method for the device that axial workpiece cavitation jet is strengthened described in a kind of usage right requirement 1, comprise the steps of：
Step one：Test specimen axle (5) is pre-processed.Test specimen axle (5) surface is cleaned with absolute ethyl alcohol or acetone, test specimen axle is removed
(5) greasy dirt and grieshoch on surface, makes test specimen axle (5) surface brighter and cleaner, prevents from producing interference to cavitation jet strengthening process；
Step 2：The clamping and positioning of test specimen axle (5).Pretreated test specimen axle (5) is clamped with scroll chuck (12), makes test specimen
Axle (5) passes through the through hole (5) of spray nozzle device (4), and coaxial with spray nozzle device (4).
Step 3：Start the centrifugal pump (9) in low service, the injection low pressure water into through hole (5) so that test specimen axle (5)
Strengthening segment be submerged in low pressure water；
Step 4：Start high-pressure plunger pump (1), the water in retaining pond (6) is input to high pressure water hole (13), monitor pressure gauge
(7) pressure value, adjusting pressure release valve (8) when hypertonia；
Step 5：Start drive device (2), driving test specimen axle (5) while carrying out circular motion and at the uniform velocity axial feed motion, protect
Demonstrate,prove the uniformity and reliability of surface peening.
Step 6：All devices are closed, treated test specimen axle (5) is removed, on test specimen axle (5) surface after drying process
Coat corrosion protection layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143402.0A CN107058718B (en) | 2017-03-11 | 2017-03-11 | A kind of device and method strengthened for axial workpiece cavitation jet |
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|---|---|---|---|
| CN201710143402.0A CN107058718B (en) | 2017-03-11 | 2017-03-11 | A kind of device and method strengthened for axial workpiece cavitation jet |
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| CN107058718A true CN107058718A (en) | 2017-08-18 |
| CN107058718B CN107058718B (en) | 2018-08-21 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107385174A (en) * | 2017-08-28 | 2017-11-24 | 苏州热工研究院有限公司 | A kind of apparatus and method strengthened using cavitating water jet to material surface |
| CN107631952A (en) * | 2017-09-05 | 2018-01-26 | 河海大学 | A kind of rotating circular disk cavitation and cavitation erosion experimental provision and method |
| CN109777935A (en) * | 2019-02-25 | 2019-05-21 | 江苏大学 | A kind of device and method strengthened for high pressure cavitation jet |
| CN109837383A (en) * | 2019-04-19 | 2019-06-04 | 徐州万达回转支承有限公司 | A kind of axial workpiece cavitation jet intensifying device and application method |
| CN110055390A (en) * | 2019-04-28 | 2019-07-26 | 江苏大学 | A kind of pressure alternation immersion bore area intensifying device and method |
| CN110129537A (en) * | 2019-04-28 | 2019-08-16 | 江苏大学 | A kind of pressure alternation declines internal surface of hole cavitation shot blasting equipment and working method |
| WO2020221377A3 (en) * | 2019-04-28 | 2020-12-17 | 江苏大学 | Magnetic drive-type device for strengthening inner surface of tapered hole |
| CN114425539A (en) * | 2022-03-15 | 2022-05-03 | 广东工业大学 | Rotary type connecting rod bushing gap laser cavitation pre-cleaning device and cleaning method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5741559A (en) * | 1995-10-23 | 1998-04-21 | Lsp Technologies, Inc. | Laser peening process and apparatus |
| US5744781A (en) * | 1995-08-07 | 1998-04-28 | General Electric Company | Method and apparatus for laser shock peening |
| CN102491486A (en) * | 2011-12-19 | 2012-06-13 | 中国人民解放军后勤工程学院 | Equipment for degrading phenol-containing wastewater by using reinforced water jet cavitation process |
| CN102925646A (en) * | 2012-11-14 | 2013-02-13 | 江苏大学 | Method and device of shot peening for surface of metal component by means of light-water complex |
| CN104673972A (en) * | 2015-03-24 | 2015-06-03 | 江苏科技大学 | Jet flow shot-blasting device |
| CN104724771A (en) * | 2014-12-12 | 2015-06-24 | 青岛科技大学 | Cavitator for reinforcing sewage decontamination efficiency by hydraulic cavitation technology |
| CN104942442A (en) * | 2015-06-11 | 2015-09-30 | 温州大学 | Laser micro-processing device and method thereof |
| CN105039676A (en) * | 2015-08-21 | 2015-11-11 | 江苏大学 | Method and device for compositing and enhancing metal material through lasers |
| CN206570371U (en) * | 2017-03-11 | 2017-10-20 | 江苏大学 | A kind of device strengthened for axial workpiece cavitation jet |
-
2017
- 2017-03-11 CN CN201710143402.0A patent/CN107058718B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5744781A (en) * | 1995-08-07 | 1998-04-28 | General Electric Company | Method and apparatus for laser shock peening |
| US5741559A (en) * | 1995-10-23 | 1998-04-21 | Lsp Technologies, Inc. | Laser peening process and apparatus |
| CN102491486A (en) * | 2011-12-19 | 2012-06-13 | 中国人民解放军后勤工程学院 | Equipment for degrading phenol-containing wastewater by using reinforced water jet cavitation process |
| CN102925646A (en) * | 2012-11-14 | 2013-02-13 | 江苏大学 | Method and device of shot peening for surface of metal component by means of light-water complex |
| CN104724771A (en) * | 2014-12-12 | 2015-06-24 | 青岛科技大学 | Cavitator for reinforcing sewage decontamination efficiency by hydraulic cavitation technology |
| CN104673972A (en) * | 2015-03-24 | 2015-06-03 | 江苏科技大学 | Jet flow shot-blasting device |
| CN104942442A (en) * | 2015-06-11 | 2015-09-30 | 温州大学 | Laser micro-processing device and method thereof |
| CN105039676A (en) * | 2015-08-21 | 2015-11-11 | 江苏大学 | Method and device for compositing and enhancing metal material through lasers |
| CN206570371U (en) * | 2017-03-11 | 2017-10-20 | 江苏大学 | A kind of device strengthened for axial workpiece cavitation jet |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107385174A (en) * | 2017-08-28 | 2017-11-24 | 苏州热工研究院有限公司 | A kind of apparatus and method strengthened using cavitating water jet to material surface |
| CN107385174B (en) * | 2017-08-28 | 2019-03-15 | 苏州热工研究院有限公司 | A kind of device and method that material surface is strengthened using cavitating water jet |
| CN107631952A (en) * | 2017-09-05 | 2018-01-26 | 河海大学 | A kind of rotating circular disk cavitation and cavitation erosion experimental provision and method |
| CN109777935A (en) * | 2019-02-25 | 2019-05-21 | 江苏大学 | A kind of device and method strengthened for high pressure cavitation jet |
| CN109837383A (en) * | 2019-04-19 | 2019-06-04 | 徐州万达回转支承有限公司 | A kind of axial workpiece cavitation jet intensifying device and application method |
| CN110055390A (en) * | 2019-04-28 | 2019-07-26 | 江苏大学 | A kind of pressure alternation immersion bore area intensifying device and method |
| CN110129537A (en) * | 2019-04-28 | 2019-08-16 | 江苏大学 | A kind of pressure alternation declines internal surface of hole cavitation shot blasting equipment and working method |
| CN110055390B (en) * | 2019-04-28 | 2020-08-28 | 江苏大学 | Pressure alternating immersion type inner hole surface strengthening device and method |
| WO2020221377A3 (en) * | 2019-04-28 | 2020-12-17 | 江苏大学 | Magnetic drive-type device for strengthening inner surface of tapered hole |
| GB2589023A (en) * | 2019-04-28 | 2021-05-19 | Univ Jiangsu | Magnetic drive-type device for strengthening inner surface of tapered hole |
| GB2589023B (en) * | 2019-04-28 | 2021-11-17 | Univ Jiangsu | Magnetic drive-type apparatus for strengthening inner surface of tapered hole |
| CN114425539A (en) * | 2022-03-15 | 2022-05-03 | 广东工业大学 | Rotary type connecting rod bushing gap laser cavitation pre-cleaning device and cleaning method |
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