CN110925026A - Vibration light decoration protection device for blade - Google Patents
Vibration light decoration protection device for blade Download PDFInfo
- Publication number
- CN110925026A CN110925026A CN201911309405.2A CN201911309405A CN110925026A CN 110925026 A CN110925026 A CN 110925026A CN 201911309405 A CN201911309405 A CN 201911309405A CN 110925026 A CN110925026 A CN 110925026A
- Authority
- CN
- China
- Prior art keywords
- protection
- blade
- blade root
- block
- reinforcing steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005034 decoration Methods 0.000 title claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000007730 finishing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3092—Protective layers between blade root and rotor disc surfaces, e.g. anti-friction layers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/005—Repairing methods or devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a vibration finishing protection device for blades, which can solve the problems that in the vibration finishing process of the existing two-machine blades, finishing grinding materials can round the sharp corner of the blade, so that the R angle of the blade tip is out of tolerance and the quality is influenced. The blade root protection part is matched with and wraps the blade root of the blade, and the top surface of the blade root protection part is flush with the top surface of the edge plate of the blade; the blade tip protecting part comprises an air inlet edge protecting reinforcing steel bar, a blade top protecting reinforcing steel bar and an air outlet edge protecting reinforcing steel bar which are sequentially connected, and the end parts of the air inlet edge protecting reinforcing steel bar and the air outlet edge protecting reinforcing steel bar are respectively and fixedly connected to the blade root protecting part; the shapes of the air inlet edge protection reinforcing steel bar, the blade top protection reinforcing steel bar and the air outlet edge protection reinforcing steel bar are respectively consistent with the shapes of the air inlet edge profile, the blade top profile and the air outlet edge profile of the blade body of the blade, and gaps of 5 mm-10 mm are reserved among the air inlet edge, the blade top and the air outlet edge of the blade body of the blade.
Description
Technical Field
The invention relates to the field of processing of two machine blades, in particular to a vibration finishing protection device for a blade.
Background
For an aircraft engine blade and a gas turbine compressor blade (namely two blades), in order to meet the efficiency after the whole installation, the requirement on the R angle of a blade tip is very high, namely the R angles of a blade top 1, a blade body air inlet edge 2 and a blade body air outlet edge 3 shown in fig. 1 are smaller than R0.38, and the smaller the R angle is, the smaller the influence on the air flow after the whole installation is, and the smaller the loss of the air flow during the air flow passing through is. Two quick-witted blades need vibrate the light decorations in the course of working, vibrate the light decorations in-process and only carry out the light decorations to flange top surface 4 and blade body, blade root 5 need not vibrate the light decorations. In the process of vibration finishing of the two blades, finishing grinding materials can round the sharp angle of the blade, so that the R angle of the blade tip is out of tolerance, and the quality is influenced.
Disclosure of Invention
The invention provides a vibration finishing protection device for a blade, which can protect the R angle of the blade tip in the vibration finishing process and avoid the R angle from being out of tolerance, aiming at the technical problems that the sharp angle of the blade can be rounded by a finishing grinding material in the vibration finishing process of the existing two-machine blade, so that the R angle of the blade tip is out of tolerance and the quality is influenced.
The technical scheme is as follows: the utility model provides a blade is with vibration light decorations protection device which characterized in that: the blade root protection part is matched with and wraps the blade root of the blade, and the top surface of the blade root protection part is flush with the top surface of the flange plate of the blade; the blade tip protection part comprises an air inlet edge protection steel bar, a blade tip protection steel bar and an air outlet edge protection steel bar which are sequentially connected, and the end parts of the air inlet edge protection steel bar and the air outlet edge protection steel bar are respectively and fixedly connected to the blade root protection part; the shapes of the air inlet edge protection reinforcing steel bar, the blade top protection reinforcing steel bar and the air outlet edge protection reinforcing steel bar are respectively consistent with the shapes of the air inlet edge profile, the blade top profile and the air outlet edge profile of the blade body of the blade, and gaps of 5 mm-10 mm are reserved among the air inlet edge, the blade top and the air outlet edge of the blade body of the blade.
It is further characterized in that:
the diameters of the air inlet side protection reinforcing steel bars, the blade top protection reinforcing steel bars and the air outlet side protection reinforcing steel bars are 20 mm-30 mm.
The air inlet edge protection reinforcing steel bars, the blade top protection reinforcing steel bars and the air outlet edge protection reinforcing steel bars are fixedly connected through welding.
The blade root protection part comprises a blade root inner protection block, a blade root back protection block, a blade root inlet protection block and a blade root outlet protection block which are respectively arranged in the directions of an inner arc side, a back arc side, an air inlet side and an air outlet side of the blade root, the side surface of the blade root inner protection block opposite to the blade root is an inner protection surface with the shape consistent with the shape of the inner arc surface of the blade root, the side surface of the blade root back protection block opposite to the blade root is a back protection surface with the shape consistent with the shapes of the back arc surface of the blade root and the bottom surface of the blade root, the side surface of the blade root inlet protection block opposite to the blade root is an inlet protection surface with the shape consistent with the shape of the air inlet side surface, the side surface of the blade root outlet protection block opposite to the blade root is an outlet protection surface with the shape consistent with the shape of the air outlet side surface of the blade root, and rubber protection layers, the rubber protective layer is in contact with the blade root, the blade root inner protective block, the blade root back protective block, the blade root inlet protective block and the blade root outlet protective block are fixedly connected into a whole, and the top surfaces of the blade root inner protective block, the blade root inlet protective block and the blade root outlet protective block are flush with the top surface of the flange plate.
The thickness of the rubber protective layer is 2 mm-4 mm.
The blade root in protection block and the blade root out protection block are fixedly connected to the blade root back protection block through screws respectively, and the blade root in protection block is fixedly connected and locked to the blade root back protection block through a stud and a nut.
The blade root back protection device is characterized by further comprising a bottom connecting block, wherein the bottom connecting block is fixedly connected to the bottom surface of the blade root back protection block through screws, and the end portions of the air inlet side protection reinforcing steel bars and the air outlet side protection reinforcing steel bars are welded and fixed to the bottom connecting block respectively.
The blade root inner protection block, the blade root back protection block, the blade root inlet protection block and the blade root outlet protection block are nylon blocks.
The invention has the beneficial effects that:
the vibration finishing protection device for the blade is provided with the blade root protection part and the blade tip protection part, the blade root protection part is matched with and wraps the blade root of the blade, and the top surface of the blade root protection part is flush with the top surface of the edge plate of the blade, so that only the top surface of the edge plate and the blade body are exposed outside the blade root protection part, vibration finishing can be carried out, and the blade root can be prevented from vibrating in the blade root protection part to cause collision in the vibration finishing process by matching and wrapping the blade root; the blade tip protection part is formed by enclosing an air inlet edge protection reinforcing steel bar, a blade tip protection reinforcing steel bar and an air outlet edge protection reinforcing steel bar according to the air inlet edge profile, the blade tip profile and the air outlet edge profile of the blade body, and a gap of 5 mm-10 mm is reserved between the blade tip protection reinforcing steel bar and the blade, so that in the vibration finishing process, the inner arc profile, the back arc profile and the top surface of the edge plate can be directly finished without being influenced by the reinforcing steel bars, the reinforcing steel bar can effectively protect the R angle of the blade tip after the 5 mm-10 mm arrangement, the R angle of the blade tip can be prevented from being abraded by finishing grinding materials, the R angle of the blade tip can be ensured to be smaller than R0.38, the protection effect is good, the R angle of the blade tip can still be ensured to be smaller than R0.38 after the same blade.
Drawings
FIG. 1 is a schematic view of the overall structure of a two-blade engine;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a front view of a protective block within a blade root;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a front view of a blade root back protection block;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a top view of FIG. 6;
FIG. 9 is a front view of a blade root protection block;
FIG. 10 is a left side view of FIG. 9;
FIG. 11 is a front view of the blade root with the protective block;
FIG. 12 is a left side view of FIG. 11;
FIG. 13 is a top view of the bottom connector block;
FIG. 14 is a schematic view of the clamping of the device of the present invention to a blade.
Reference numerals: 1-leaf top; 2-blade body air inlet edge; 3-the air outlet edge of the blade body; 4-the top surface of the flange; 5-blade root; 6-air inlet edge protecting steel bars; 7-leaf top protection steel bars; 8-protecting the reinforcing steel bars at the air outlet edges; 9-a rubber protective layer;
11-a blade root inner protection block; 12-inner protective surface;
21-blade root back protection block; 22-back protection face; 23-air inlet side threaded hole; 24-air outlet side threaded hole; 25-circular through holes; 26-a stud; 27-a nut; 28-bottom threaded hole;
31-the blade enters the protective block; 32-protective surface; 33-access connection hole;
41-a protection block is arranged at the blade root; 42-forming a protective surface; 43-connecting hole;
51-root intrados; 52-root back arc surface; 53-root bottom surface; 54-root inlet flank; 55-the root air-out side;
61-bottom connecting block; 62-bottom connection hole.
Detailed Description
Referring to fig. 1 to 14, the vibration finishing protection device for the blade of the present invention includes a blade root protection portion and a blade tip protection portion, wherein the blade root protection portion is matched to wrap a blade root 5 of the blade, and a top surface of the blade root protection portion is flush with a top surface 4 of a platform of the blade; the blade tip protection part comprises an air inlet edge protection steel bar 6, a blade tip protection steel bar 7 and an air outlet edge protection steel bar 8 which are welded and connected in sequence, and the end parts of the air inlet edge protection steel bar 6 and the air outlet edge protection steel bar 8 are fixedly connected to the blade root protection part respectively; the shapes of the air inlet edge protection reinforcing steel bar 6, the blade top protection reinforcing steel bar 7 and the air outlet edge protection reinforcing steel bar 8 are respectively consistent with the shapes of the air inlet edge 2, the blade top 1 and the air outlet edge 3 of the blade body of the blade, and gaps of 5 mm-10 mm are respectively reserved among the air inlet edge 2, the blade top 1 and the air outlet edge 3 of the blade body of the blade, the gaps of 5 mm-10 mm are reasonably arranged, and if the gaps are too large, the polishing grinding materials are easily clamped in the gaps, so that the R angle is damaged; if the gap is too small, the finishing abrasive cannot finish, the R angle has obvious color difference, and if the gap is too small, the reinforcing steel bars easily damage the blades in the vibration finishing process. The diameters of the air inlet side protection reinforcing steel bars 6, the blade top protection reinforcing steel bars 7 and the air outlet side protection reinforcing steel bars 8 are 20 mm-30 mm, and reinforcing steel bars with proper diameters can be selected according to the size of the blades. In order to ensure the protection effect, the air inlet edge protection steel bar, the blade top protection steel bar and the air outlet edge protection steel bar are manufactured according to the shape of the blade after the blade is arranged in the blade root protection part.
Referring to fig. 2 to 13, the blade root protection part includes a blade root inner protection block 11, a blade root back protection block 21, a blade root inlet protection block 31 and a blade root outlet protection block 41 which are respectively arranged in the directions of an inner arc side, a back arc side, an air inlet side and an air outlet side of the blade root 5, and the blade root inner protection block 11, the blade root back protection block 21, the blade root inlet protection block 31 and the blade root outlet protection block 41 are all nylon blocks; the side surface of the blade root inner protection block 11 opposite to the blade root 5 is an inner protection surface 12 with the shape consistent with the shape of a blade root inner arc surface 51, the side surface of the blade root back protection block 21 opposite to the blade root 5 is a back protection surface 22 with the shape consistent with the shape of a blade root back arc surface 52 and a blade root bottom surface 53, the side surface of the blade root inner protection block 31 opposite to the blade root 5 is an inlet protection surface 32 with the shape consistent with the shape of a blade root inlet side surface 54, the side surface of the blade root outlet protection block 41 opposite to the blade root 5 is an outlet protection surface 42 with the shape consistent with the shape of a blade root outlet side surface 55, the inner protection surface 12, the back protection surface 22, the inlet protection surface 32 and the outlet protection surface 42 are respectively adhered with a rubber protection layer 9 with 2 mm-4 mm through glue, the rubber protection layer 9 is in contact with the blade root 5 to prevent, the blade root back protection block 21, the blade root inlet protection block 31 and the blade root outlet protection block 41 are fixedly connected into a whole, and the top surfaces of the blade root back protection block, the blade root inlet protection block and the blade root outlet protection block are flush with the top surface 4 of the flange plate; specifically, an air inlet side threaded hole 23 and an air outlet side threaded hole 24 are respectively machined in two side faces of a blade root back protection block 21, an air inlet connecting hole 33 which is opposite to the air inlet side threaded hole 23 one by one is formed in a blade root inlet protection block 31, an air outlet connecting hole 43 which is opposite to the air outlet side threaded hole 24 one by one is formed in a blade root outlet protection block 41, the blade root inlet protection block 31 is fixed on the blade root back protection block 21 through screws installed in the air inlet side threaded hole 33 and the air inlet side threaded hole 23, the blade root outlet protection block 41 is fixed on the blade root back protection block 21 through screws installed in the air outlet connecting hole 43 and the air outlet side threaded hole 24, circular through holes 25 which are mutually communicated are respectively formed in the blade root back protection block 21 and the blade root inner protection block 11, a stud 26 penetrates through the circular through hole 25, two ends of the stud 26 are locked through nuts 27, and the blade root inner protection block 11 and the blade root; the device is further provided with a bottom connecting block 61, bottom threaded holes 28 are formed in the bottom surface of the blade root back protection block 21, bottom connecting holes 62 which are opposite to the bottom threaded holes 28 one by one are formed in the bottom connecting block 61, the bottom connecting block 61 is fixed on the blade root back protection block 21 through screws installed in the bottom connecting holes 62 and the bottom threaded holes 28, and the end portions of the air inlet edge protection reinforcing steel bars 6 and the air outlet edge protection reinforcing steel bars 8 are welded and fixed on the bottom connecting block 61 respectively. When the device is repeatedly used, the blade can be taken out only by loosening the nut 27 and removing the protective block 11 in the blade root, and then the next blade is put in, so that the device is very simple and convenient to use, and different types of aero-engine blades and gas turbine compressor blades can be protected at sharp corners by adopting the device structure.
Claims (8)
1. The utility model provides a blade is with vibration light decorations protection device which characterized in that: the blade root protection part is matched with and wraps the blade root of the blade, and the top surface of the blade root protection part is flush with the top surface of the flange plate of the blade; the blade tip protection part comprises an air inlet edge protection steel bar, a blade tip protection steel bar and an air outlet edge protection steel bar which are sequentially connected, and the end parts of the air inlet edge protection steel bar and the air outlet edge protection steel bar are respectively and fixedly connected to the blade root protection part; the shapes of the air inlet edge protection reinforcing steel bar, the blade top protection reinforcing steel bar and the air outlet edge protection reinforcing steel bar are respectively consistent with the shapes of the air inlet edge profile, the blade top profile and the air outlet edge profile of the blade body of the blade, and gaps of 5 mm-10 mm are reserved among the air inlet edge, the blade top and the air outlet edge of the blade body of the blade.
2. The oscillating light-trim protection device for blades of claim 1, wherein: the diameters of the air inlet side protection reinforcing steel bars, the blade top protection reinforcing steel bars and the air outlet side protection reinforcing steel bars are 20 mm-30 mm.
3. The oscillating light-trim protection device for blades of claim 1, wherein: the air inlet edge protection reinforcing steel bars, the blade top protection reinforcing steel bars and the air outlet edge protection reinforcing steel bars are fixedly connected through welding.
4. The oscillating light-trim protection device for blades of claim 1, wherein: the blade root protection part comprises a blade root inner protection block, a blade root back protection block, a blade root inlet protection block and a blade root outlet protection block which are respectively arranged in the directions of an inner arc side, a back arc side, an air inlet side and an air outlet side of the blade root, the side surface of the blade root inner protection block opposite to the blade root is an inner protection surface with the shape consistent with the shape of the inner arc surface of the blade root, the side surface of the blade root back protection block opposite to the blade root is a back protection surface with the shape consistent with the shapes of the back arc surface of the blade root and the bottom surface of the blade root, the side surface of the blade root inlet protection block opposite to the blade root is an inlet protection surface with the shape consistent with the shape of the air inlet side surface, the side surface of the blade root outlet protection block opposite to the blade root is an outlet protection surface with the shape consistent with the shape of the air outlet side surface of the blade root, and rubber protection layers, the rubber protective layer is in contact with the blade root, the blade root inner protective block, the blade root back protective block, the blade root inlet protective block and the blade root outlet protective block are fixedly connected into a whole, and the top surfaces of the blade root inner protective block, the blade root inlet protective block and the blade root outlet protective block are flush with the top surface of the flange plate.
5. The oscillating light-trim protection device for blades of claim 4, wherein: the thickness of the rubber protective layer is 2 mm-4 mm.
6. The oscillating light-trim protection device for blades of claim 4, wherein: the blade root in protection block and the blade root out protection block are fixedly connected to the blade root back protection block through screws respectively, and the blade root in protection block is fixedly connected and locked to the blade root back protection block through a stud and a nut.
7. The oscillating light-trim protection device for blades of claim 6, wherein: the blade root back protection device is characterized by further comprising a bottom connecting block, wherein the bottom connecting block is fixedly connected to the bottom surface of the blade root back protection block through screws, and the end portions of the air inlet side protection reinforcing steel bars and the air outlet side protection reinforcing steel bars are welded and fixed to the bottom connecting block respectively.
8. The oscillating light-trim protection device for blades of claim 4, wherein: the blade root inner protection block, the blade root back protection block, the blade root inlet protection block and the blade root outlet protection block are nylon blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309405.2A CN110925026B (en) | 2019-12-18 | 2019-12-18 | Vibration polishing protector for blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309405.2A CN110925026B (en) | 2019-12-18 | 2019-12-18 | Vibration polishing protector for blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110925026A true CN110925026A (en) | 2020-03-27 |
| CN110925026B CN110925026B (en) | 2024-05-28 |
Family
ID=69864165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911309405.2A Active CN110925026B (en) | 2019-12-18 | 2019-12-18 | Vibration polishing protector for blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110925026B (en) |
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| CN201143613Y (en) * | 2008-01-18 | 2008-11-05 | 郝俊山 | Vibration burnishing device |
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| EP2808124A1 (en) * | 2013-05-29 | 2014-12-03 | MTU Aero Engines GmbH | Method and device for machining turbine blades |
| DE102013210405A1 (en) * | 2013-06-05 | 2014-12-11 | Lufthansa Technik Ag | Airfoil with a protective device and corresponding protection device |
| CN104533539A (en) * | 2014-12-31 | 2015-04-22 | 无锡透平叶片有限公司 | Laser cladding structure of steam turbine blade air inlet side |
| CN106272018A (en) * | 2016-08-29 | 2017-01-04 | 中航动力股份有限公司 | A kind of blade sector assembly enamelled coating vibration finishing shield jig |
| CN108868895A (en) * | 2018-06-08 | 2018-11-23 | 南京赛达机械制造有限公司 | A kind of high strength titanium alloy blade of aviation engine |
| CN109514297A (en) * | 2018-11-22 | 2019-03-26 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of blade machining process and clamping tooling |
| CN110216576A (en) * | 2019-07-03 | 2019-09-10 | 无锡航亚科技股份有限公司 | The device for preventing blade vibration finishing from mutually colliding with when processing |
| CN110238747A (en) * | 2019-06-21 | 2019-09-17 | 中国航空制造技术研究院 | Process and frock clamp for complex profile blade surface light decorations |
| CN211666780U (en) * | 2019-12-18 | 2020-10-13 | 无锡透平叶片有限公司 | Vibration light decoration protection device for blade |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9506904D0 (en) * | 1994-04-05 | 1995-05-24 | Mtu Muenchen Gmbh | Blade of fibre-bond design with protective contour |
| CN2323916Y (en) * | 1998-03-19 | 1999-06-16 | 大连市金州区机械加工厂光整设备分厂 | Vertical vibrating finishing machine for whole-polyurethane container |
| CN201143613Y (en) * | 2008-01-18 | 2008-11-05 | 郝俊山 | Vibration burnishing device |
| FR2941963A1 (en) * | 2009-02-10 | 2010-08-13 | Snecma | METHOD FOR MANUFACTURING A THERMAL BARRIER COVERING A SUPERALLIATION METALLIC SUBSTRATE AND THERMOMECHANICAL PART RESULTING FROM THIS METHOD OF MANUFACTURE |
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| EP2808124A1 (en) * | 2013-05-29 | 2014-12-03 | MTU Aero Engines GmbH | Method and device for machining turbine blades |
| DE102013210405A1 (en) * | 2013-06-05 | 2014-12-11 | Lufthansa Technik Ag | Airfoil with a protective device and corresponding protection device |
| CN104533539A (en) * | 2014-12-31 | 2015-04-22 | 无锡透平叶片有限公司 | Laser cladding structure of steam turbine blade air inlet side |
| CN106272018A (en) * | 2016-08-29 | 2017-01-04 | 中航动力股份有限公司 | A kind of blade sector assembly enamelled coating vibration finishing shield jig |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110925026B (en) | 2024-05-28 |
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