CN114134300B - Blade advances exhaust limit peening protection device - Google Patents
Blade advances exhaust limit peening protection device Download PDFInfo
- Publication number
- CN114134300B CN114134300B CN202111517888.2A CN202111517888A CN114134300B CN 114134300 B CN114134300 B CN 114134300B CN 202111517888 A CN202111517888 A CN 202111517888A CN 114134300 B CN114134300 B CN 114134300B
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- Prior art keywords
- blade
- notch
- adhesive tape
- rod
- air inlet
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- 230000001681 protective effect Effects 0.000 claims abstract description 46
- 238000005422 blasting Methods 0.000 claims abstract description 35
- 229920001971 elastomer Polymers 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000005728 strengthening Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000002390 adhesive tape Substances 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 230000009545 invasion Effects 0.000 claims description 3
- 238000005480 shot peening Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
-
- 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
- C21D2221/00—Treating localised areas of an article
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of shot peening, and particularly relates to a shot peening protection device for air inlet and outlet edges of a blade. According to the invention, the soft contact blade of the protective rubber strip is realized, the direction of the protective rubber strip is regulated through the universal protective connecting rod, so that the protective rubber strip is matched with the molded line of the blade, the shot cannot be directly sprayed on the air inlet and outlet sides of the blade in the shot blasting process, the phenomenon that the edges of the air inlet and outlet sides of the blade are directly or rebound impact damage by the shot is avoided, the phenomena of curling, wrinkling, deformation and the like are generated, and the strengthening effect of the blade is maintained to the greatest extent. The invention has good universality, can be used for protecting the air inlet and outlet edges of the blades of various molded lines in the shot peening strengthening process, has convenient processing, simple operation and good universality, is convenient to detach and maintain, improves the product quality and reduces the manufacturing cost.
Description
Technical Field
The invention belongs to the technical field of shot peening, and particularly relates to a shot peening protection device for air inlet and outlet edges of a blade.
Background
Shot peening can effectively improve the fatigue life of the part. When the blade is in the shot blasting process and the air inlet and outlet are not in the protective measures, the edges of the air inlet and outlet edges are weak and are easy to be damaged by the impact of shots, and the phenomena of curling, wrinkling, deformation and the like are generated, so that the fatigue life of the blade is reduced. The rubber material has the characteristics of high elasticity, good toughness, small density, good corrosion resistance, good formability, good chemical stability and the like.
Disclosure of Invention
The invention aims to solve the problem that edges of an air inlet and an air outlet are easy to be damaged by impact of shots to generate curling and wrinkling in the process of shot blasting of the blade, and provides a shot blasting protection device for the air inlet and the air outlet of the blade.
A blade air inlet and outlet edge shot blasting protection device comprises a protection adhesive tape and a universal protection connecting rod; the front end of the protective adhesive tape is provided with a notch, and a buffer hole and a positioning hole are formed in the rear of the notch; the universal protection connecting rod is arranged on the blade shot blasting device and is connected with the positioning hole of the protection adhesive tape; in the blade shot blasting process, the protection adhesive tape is adjusted through the universal protection connecting rod, the air inlet and outlet edges of the blade are guaranteed to be completely in the notch of the protection adhesive tape, the notch of the protection adhesive tape is contacted with and clung to the air inlet and outlet edges of the blade, the direction of the protection adhesive tape is always matched with the molded line of the blade, the shot cannot be directly sprayed on the air inlet and outlet edges of the blade in the shot blasting process, and the air inlet and outlet edges of the blade are prevented from being directly or rebound impact damage by the shot.
Further, the notch of the protective adhesive tape adopts an isosceles trapezoid notch, the depth of the notch is H, namely the height of the isosceles trapezoid is more than or equal to 1mm; the width of the notch is L, and L is more than or equal to 1mm; in the soft contact process of the protective rubber strip and the blade, two sides of the isosceles trapezoid notch shrink, so that the shot cannot be directly sprayed on the air inlet and outlet edges of the part in the shot blasting process, the phenomenon of curling, wrinkling and deformation of the edges of the air inlet and outlet edges is avoided, and the strengthening effect of the blade is maintained to the greatest extent.
Further, the buffer hole of the protective rubber strip adopts an elliptic or rectangular structure, so that the elasticity of the notch of the protective rubber strip is increased when the notch is stressed, and the inlet and outlet sides of the extrusion blades can be contacted to reduce the invasion of the projectile; the thickness between the buffer hole and the notch is D, and the selection range of D is 0.5-2 mm.
Further, the notch, the buffer hole and the positioning hole of the protection adhesive tape are all completed in injection molding; the shape of the protective adhesive tape is matched with the shape of the blade, the lowest end of the protective adhesive tape is flush with the bottom of the blade root of the blade, and the length of the protective adhesive tape is S 1 The height of the blade is S 2 ，1.2S 2 ≤S 1 ≤2S 2 。
Further, the material of the protective rubber strip is a rubber material with the Shore hardness of 30-70 HA.
Further, the universal protection connecting rod comprises a sleeve rod, a connecting rod, a fixing rod, a clamping block and a connecting short rod; the free end direction of the sleeve rod is freely downward, and the sleeve rod is arranged in the positioning hole of the protective adhesive tape and is in interference fit with the positioning hole; the upper end of the sleeve rod is connected with one end of the connecting rod through a first inner hexagon bolt, and the other end of the connecting rod is connected with the connecting short rod through a matching sleeve and a second inner hexagon bolt; the connecting short rod is sleeved with the matching sleeve, a coaxial central hole A is arranged on the connecting short rod and penetrates through the matching sleeve to connect the short rod, and the matching sleeve and the connecting short rod are connected with the connecting rod through the central hole A; the opening end of the clamping block is sleeved on the fixed rod, and the other end of the clamping block is connected with the connecting short rod; the first inner hexagon bolt and the second inner hexagon bolt are controlled, so that the connecting rod and the fixed rod are regulated and controlled in any direction; the fixing rod is arranged on the blade shot blasting device through a fixing nut.
Further, the material yield strength of the universal protection connecting rod is not lower than 235MPa.
The invention has the beneficial effects that:
the invention provides a blade air inlet and outlet edge shot blasting protection device, which is characterized in that a blade is in soft contact with a protection rubber strip, the direction of the protection rubber strip is regulated through a universal protection connecting rod to enable the protection rubber strip to be matched with a blade profile, and in the shot blasting process, shots cannot be directly sprayed on the air inlet and outlet edge of the blade, so that the phenomenon that the edge of the air inlet and outlet edge of the blade is directly or rebound impact damaged by the shots to generate curling, wrinkling, deformation and the like is avoided, and the strengthening effect of the blade is maintained to the greatest extent. The invention has good universality, can be used for protecting the air inlet and outlet edges of the blades of various molded lines in the shot peening strengthening process, has convenient processing, simple operation and good universality, is convenient to detach and maintain, improves the product quality and reduces the manufacturing cost.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a schematic view of a protective strip according to the present invention.
FIG. 3 is a top view of the universal protective connecting rod of the present invention; .
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention provides a shot blasting protection device for an air inlet and outlet edge of a blade, which is used for protecting the air inlet and outlet edge of the blade in the shot blasting strengthening process, avoids the phenomena of curling, wrinkling, deformation and the like caused by direct or rebound impact damage of the air inlet and outlet edge of the blade, and maximally maintains the blade strengthening effect.
Example 1:
a blade air inlet and outlet edge shot blasting protection device comprises a protection adhesive tape 1 and a universal protection connecting rod; the front end of the protective adhesive tape 1 is provided with a notch 1-1, and a buffer hole 1-2 and a positioning hole 1-3 are arranged behind the notch; the universal protection connecting rod is arranged on the blade shot blasting device and is connected with the positioning holes 1-3 of the protection adhesive tape 1; in the blade shot blasting process, the protection adhesive tape 1 is regulated through the universal protection connecting rod, so that the air inlet and outlet edges of the blade are ensured to be completely in the notch 1-1 of the protection adhesive tape 1, the notch 1-1 of the protection adhesive tape 1 is contacted with and clung to the air inlet and outlet edges of the blade, the direction of the protection adhesive tape 1 is always matched with the molded line of the blade, the shot cannot be directly sprayed on the air inlet and outlet edges of the blade in the shot blasting process, and the edge of the air inlet and outlet edges of the blade is prevented from being directly or rebound impact damage by the shot.
Example 2:
furthermore, the notch 1-1 of the protective adhesive tape 1 adopts an isosceles trapezoid notch, the depth of the notch is H, namely the height of the isosceles trapezoid is more than or equal to 1mm; the width of the notch is L, and L is more than or equal to 1mm; in the soft contact process of the protective adhesive tape 1 and the blade, two sides of the isosceles trapezoid notch shrink, so that shots cannot be directly sprayed on the air inlet and outlet edges of the part in the shot blasting process, the phenomenon of curling, wrinkling and deformation of the edges of the air inlet and outlet edges is avoided, and the strengthening effect of the blade is maintained to the greatest extent.
Example 3:
furthermore, the buffer hole 1-2 of the protective rubber strip 1 adopts an elliptic or rectangular structure, so that the elasticity of the notch 1-1 of the protective rubber strip 1 is increased when the notch 1-1 is stressed, and the impact of a projectile can be reduced by contacting the air inlet and outlet sides of the extrusion blade; the thickness between the buffer hole 1-2 and the notch 1-1 is D, and the selection range of D is 0.5-2 mm.
Example 4:
further, the notch 1-1, the buffer hole 1-2 and the positioning hole 1-3 of the protective adhesive tape 1 are all completed during injection molding; the shape of the protective adhesive tape 1 is matched with the shape of the blade, the lowest end of the protective adhesive tape 1 is flush with the bottom of the blade root of the blade, and the length of the protective adhesive tape is S 1 The height of the blade is S 2 ，1.2S 2 ≤S 1 ≤2S 2 。
Example 5:
further, the material of the protective rubber strip 1 is a rubber material with the Shore hardness of 30-70 HA.
Example 6:
referring to fig. 1, 2 and 3, the blade air intake and exhaust edge shot blasting protection device of the invention comprises a protection adhesive tape 1, a notch 1-1, a buffer hole 1-2, a positioning hole 1-3, a sleeve rod 2, a first hexagon socket bolt 3, a connecting rod 4, a fixing rod 5, a gasket 6, a second hexagon socket bolt 7, a clamping block 8, a fixing nut 9, a connecting short rod 10 and a matching sleeve 11.
The protection adhesive tape 1 is sleeved into the sleeve rod 2, the positioning holes 1-3 in the protection adhesive tape 1 are in interference fit with the sleeve rod 2, the universal protection connecting rod is fixed on a certain blade shot blasting tool by utilizing the fixing rod 5 and the fixing nut 9, the protection adhesive tape 1 is regulated to be attached to the blade air inlet and outlet edges, and after the fixing, the device and the blade are shot blasting processed together so as to protect the blade air inlet and outlet protection edges from being damaged in the shot blasting process.
The notch 1-1, the buffer hole 1-2 and the positioning hole 1-3 are all completed in injection molding. Selecting a notch 1-1 mode according to the size and shape of the air inlet and outlet edges of the blades, wherein the notch 1-1 of the protective adhesive tape preferentially adopts an isosceles trapezoid notch, and the depth of the notch is H, namely the height of the isosceles trapezoid, and H is more than or equal to 1mm; the width of the notch is L is more than or equal to 1mm. The buffer hole 1-2 adopts an elliptic or rectangular structure so as to increase the elasticity of the notch of the protective adhesive tape of the protective device when the notch is stressed, and can contact the air inlet and outlet sides of the extrusion blade to reduce the invasion of the projectile. The thickness between the buffer hole 1-2 and the notch 1-1 is D, and the D is selected in the range of 0.5-2 mm. According to the blade processing conditions, the material of the protective rubber strip 1 is selected, the rubber material with the Shore hardness of 30-70 HA is selected, and the oil-resistant environment is selected from nitrile rubber.
The clamping block 8 of universal protection connecting rod is sleeved on the fixed rod 5, the second inner hexagon bolt 7 is in threaded connection with the connecting short rod 10, the matching sleeve 11 is sleeved on the connecting short rod 10 and is provided with a coaxial center hole A which penetrates through the matching sleeve 11 and the connecting short rod 10, a gasket 6 is arranged between the second inner hexagon bolt 7 and the connecting short rod 10, the opening end of the clamping block 8 is sleeved on the fixed rod 5, the matching sleeve 11 is connected with the connecting short rod 10 through the center hole A, the connecting rod 4 is detachably connected with the connecting short rod 10 through the second inner hexagon bolt 7, a through hole B is machined at the other end of the connecting rod 4, and the first inner hexagon bolt 3 is in threaded connection with the sleeve rod 1 through the through hole B and is detachable. The first inner hexagon bolt 3 and the second inner hexagon bolt 7 are controlled, so that the adjusting and controlling of the connecting rod 4 and the fixing rod 5 in any direction is achieved.
The protection device is fixed on the original shot blasting machine by using the fixing nut 9, and the protection adhesive tape 1 is adjusted to enable the air inlet and outlet edges of the blades to be attached, so that effective protection is achieved. The free ends of the sleeve rod 2 and the protective adhesive tape 1 are free to be downward. When the blade is replaced, the blade tenon is fixed again, the protection adhesive tape 1 is replaced when necessary, the blade inlet and outlet edge protection adhesive tape 1 is finely adjusted, and finally the invention is detached from the machine tool after shot blasting processing is finished, and the machine tool is cleaned for standby.
Before the invention is used, the shot blasting preparation is finished in advance, the blade is firstly put into a corresponding shot blasting protection device, and then the air inlet and outlet edge protection device is fixed on the blade shot blasting protection device. The air inlet and outlet edge protection device is matched with the universal protection connection through the protection adhesive tape, the contact part of the protection adhesive tape is utilized, and the direction of the protection adhesive tape is regulated by utilizing the universal protection connection, so that the protection adhesive tape is matched with a blade molded line. In the soft contact process of the protective rubber strip and the blade, two sides of the isosceles trapezoid notch shrink, so that shots cannot be directly sprayed on the air inlet and outlet edges of the part in the shot blasting process, the phenomena of curling, wrinkling, deformation and the like at the edges of the air inlet and outlet edges are avoided, and the product quality is improved; and the strengthening effect of the blade is maintained to the maximum extent. The purpose of protecting the blade from the shot blasting of the air inlet and the air outlet is achieved.
Example 7:
the sleeve rod 2, the first inner hexagon bolt 3, the connecting rod 4, the fixed rod 5, the gasket 6, the second inner hexagon bolt 7, the clamping block 8, the fixed nut 9, the connecting short rod 10 and the matching sleeve 11 in the universal protection connecting rod are made of economical steel materials, and Q235 and 45 steel materials are recommended to be used, wherein the yield strength of the materials is not lower than 235MPa.
According to the invention, the blade is in soft contact with the protective rubber strip, and the direction of the protective rubber strip is regulated through universal protection connection, so that the blade is matched with the molded line of the blade. The invention has good universality, can be used for blades with various molded lines, has convenient processing, simple operation, good universality and convenient disassembly and maintenance, improves the product quality and reduces the manufacturing cost.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A blade advances exhaust limit peening protection device, its characterized in that: comprises a protection adhesive tape (1) and a universal protection connecting rod; the front end of the protective adhesive tape (1) is provided with a notch (1-1), and a buffer hole (1-2) and a positioning hole (1-3) are arranged behind the notch; the universal protection connecting rod is arranged on the blade shot blasting device and is connected with the positioning hole (1-3) of the protection adhesive tape (1); in the blade shot blasting process, the protection rubber strip (1) is regulated through the universal protection connecting rod, so that the air inlet and outlet edges of the blade are ensured to be completely in the notch (1-1) of the protection rubber strip (1), the notch (1-1) of the protection rubber strip (1) is contacted with and clung to the air inlet and outlet edges of the blade, the direction of the protection rubber strip (1) is always matched with the molded line of the blade, and in the shot blasting process, the shots cannot be directly sprayed on the air inlet and outlet edges of the blade, and the damage to the edges of the air inlet and outlet edges of the blade caused by direct rebound impact of the shots is avoided;
the notch (1-1) of the protective adhesive tape (1) adopts an isosceles trapezoid notch, the depth of the notch is H, namely the height of the isosceles trapezoid is more than or equal to 1mm; the width of the notch is L, and L is more than or equal to 1mm; in the soft contact process of the protective adhesive tape (1) and the blade, two sides of the isosceles trapezoid notch shrink, so that the shot cannot be directly sprayed on the air inlet and outlet edges of the part in the shot blasting process, the phenomenon of curling, wrinkling and deformation of the edges of the air inlet and outlet edges is avoided, and the strengthening effect of the blade is maintained to the greatest extent;
the buffer hole (1-2) of the protective adhesive tape (1) adopts an elliptic or rectangular structure, so that the elasticity of the notch (1-1) of the protective adhesive tape (1) is increased when the notch (1-1) is stressed, and the inlet and outlet sides of the extrusion blades can be contacted to reduce the invasion of the projectile; the thickness between the buffer hole (1-2) and the notch (1-1) is D, and the D selection range is 0.5-2 mm.
2. The blade intake and exhaust edge peening apparatus according to claim 1, wherein: the notch (1-1), the buffer hole (1-2) and the positioning hole (1-3) of the protective adhesive tape (1) are all completed during injection molding; the shape of the protective adhesive tape (1) is matched with the shape of the blade, the lowest end of the protective adhesive tape (1) is flush with the bottom of the blade root of the blade, and the length of the protective adhesive tape is S 1 The height of the blade is S 2 ，1.2S 2 ≤S 1 ≤2S 2 。
3. The blade intake and exhaust edge peening apparatus according to claim 1, wherein: the material of the protective rubber strip (1) is a rubber material with the Shore hardness of 30-70 HA.
4. The blade intake and exhaust edge peening apparatus according to claim 1, wherein: the universal protection connecting rod comprises a sleeve rod (2), a connecting rod (4), a fixing rod (5), a clamping block (8) and a connecting short rod (10); the free end direction of the sleeve rod (2) is freely downward, and the sleeve rod (2) is installed in the positioning hole (1-3) of the protective adhesive tape (1) and is in interference fit with the positioning hole (1-3); the upper end of the sleeve rod (2) is connected with one end of the connecting rod (4) through a first inner hexagon bolt (3), and the other end of the connecting rod (4) is connected with the connecting short rod (10) through a matching sleeve (11) and a second inner hexagon bolt (7); the matching sleeve (11) is sleeved on the connecting short rod (10) and is provided with a coaxial central hole A which penetrates through the matching sleeve (11) to connect the short rod (10), and the matching sleeve (11) is connected with the connecting short rod (10) through the central hole A and the connecting rod (4); the open end of the clamping block (8) is sleeved on the fixed rod (5), and the other end of the clamping block (8) is connected with the connecting short rod (10); the first inner hexagon bolt (3) and the second inner hexagon bolt (7) are controlled, so that the connecting rod (4) and the fixed rod (5) are regulated and controlled in any direction; the fixing rod (5) is arranged on the blade shot blasting device through a fixing nut.
5. The blade intake and exhaust edge peening apparatus according to claim 1, wherein: the material yield strength of the universal protection connecting rod is not lower than 235MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517888.2A CN114134300B (en) | 2021-12-13 | 2021-12-13 | Blade advances exhaust limit peening protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517888.2A CN114134300B (en) | 2021-12-13 | 2021-12-13 | Blade advances exhaust limit peening protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114134300A CN114134300A (en) | 2022-03-04 |
| CN114134300B true CN114134300B (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111517888.2A Active CN114134300B (en) | 2021-12-13 | 2021-12-13 | Blade advances exhaust limit peening protection device |
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| Country | Link |
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| CN (1) | CN114134300B (en) |
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| WO2019008656A1 (en) * | 2017-07-04 | 2019-01-10 | 東芝エネルギーシステムズ株式会社 | Turbine blade and turbine |
| CN211615310U (en) * | 2019-10-24 | 2020-10-02 | 中船重工龙江广瀚燃气轮机有限公司 | Clamping protection device for blade liquid shot blasting |
| CN112223125A (en) * | 2020-10-26 | 2021-01-15 | 无锡透平叶片有限公司 | Compressor blade shot-blasting protection device |
| CN112476255A (en) * | 2020-12-09 | 2021-03-12 | 安徽应流航源动力科技有限公司 | Sand blasting protection device for air inlet edge and air exhaust edge of blade |
| CN112847164A (en) * | 2021-01-25 | 2021-05-28 | 中国航发贵州黎阳航空动力有限公司 | Blade shot blasting clamp with double-layer structure |
| CN214560104U (en) * | 2020-12-22 | 2021-11-02 | 中船重工龙江广瀚燃气轮机有限公司 | Clamping protection device for shot blasting of gas turbine compressor blade |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2816538B1 (en) * | 2000-11-16 | 2003-01-17 | Snecma Moteurs | PROCESS FOR INCREASING THE LIFETIME OF AUB ATTACHES ON A ROTOR |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007181909A (en) * | 2006-01-10 | 2007-07-19 | Mitsubishi Heavy Ind Ltd | Tip tool guiding device, and method for carrying-in tip tool guiding device |
| EP2032310A1 (en) * | 2006-05-26 | 2009-03-11 | Siemens Aktiengesellschaft | Peening device |
| EP2093021A1 (en) * | 2008-02-25 | 2009-08-26 | Rolls-Royce Deutschland Ltd & Co KG | Method and apparatus for controlled shot-peening of blisk blades |
| CN106475917A (en) * | 2016-12-30 | 2017-03-08 | 无锡透平叶片有限公司 | A kind of blade shot-peening protection device |
| WO2019008656A1 (en) * | 2017-07-04 | 2019-01-10 | 東芝エネルギーシステムズ株式会社 | Turbine blade and turbine |
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| CN112223125A (en) * | 2020-10-26 | 2021-01-15 | 无锡透平叶片有限公司 | Compressor blade shot-blasting protection device |
| CN112476255A (en) * | 2020-12-09 | 2021-03-12 | 安徽应流航源动力科技有限公司 | Sand blasting protection device for air inlet edge and air exhaust edge of blade |
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| Publication number | Publication date |
|---|---|
| CN114134300A (en) | 2022-03-04 |
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