CN106736700A - For the grip device of turbine blade root bottom surface Milling Process - Google Patents
For the grip device of turbine blade root bottom surface Milling Process Download PDFInfo
- Publication number
- CN106736700A CN106736700A CN201611248538.XA CN201611248538A CN106736700A CN 106736700 A CN106736700 A CN 106736700A CN 201611248538 A CN201611248538 A CN 201611248538A CN 106736700 A CN106736700 A CN 106736700A
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- Prior art keywords
- blade root
- tooth shape
- positioning
- locating
- base plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention provides the grip device for turbine blade root bottom surface Milling Process, it can solve the problems, such as that existing turbine blade root bottom surface processing and loading clamp is unstable, positioning precision is not high, while solving the problems, such as that its poor universality, frock cost be high, the manufacturing cycle is long.One side of transverse direction on base plate is provided with and is provided with blade root tooth shape locating on molded line positioning component, laterally another side and holds down assembly；Molded line positioning component includes the model seat being installed on described base plate transverse direction one end, model seat is provided with L-shaped locating slot, positioning templet has been replaceably mounted in the L-shaped locating slot of model seat, positioning templet is provided with the molded line locating surface matched with blade concavity type face, model locating piece and support jacking block are fixed with longitudinal two sides of model seat respectively, the groove bottom of the top surface higher than L-shaped locating slot of model locating piece and support jacking block, longitudinal two side ends of positioning templet are held out against by model locating piece and support jacking block longitudinal register respectively.
Description
Technical field
The present invention relates to the frock clamp field of turbine Blade Machining, particularly for the milling of turbine blade root bottom surface
Cut the grip device of processing.
Background technology
Influenceed by Steam Turbine overall market situation, the competition between vane manufacturing enterprise grows in intensity, client couple
The crudy and manufacturing cost of blade propose more harsh requirement.The frock that depends primarily on of the crudy of blade is pressed from both sides
The precision of tool, stability, a critically important part depends on generally applicable property and the manufacturing cycle of frock in the manufacturing cost of blade.
For the frock clamp that turbine blade root bottom surface processes, in the industry generally using the main positioning of blade root, the knot of type face auxiliary positioning
There is following drawback in structure, the structure：1）2~3 stud float supports are commonly used in type face auxiliary positioning part, see Fig. 1, are needed during clamping
The height of each float support of workman's manual setting is determined with fit type face as far as possible, this supporting way that can freely adjust
The reproducibility and stability extreme difference of fixture clamping；2）Simultaneously contacted in the way of point location between stud and type face, this
Plant mode positioning precision and stability extreme difference；3）The characteristics of there are multi items, small batch due to the processing of turbine blade, for
Different cultivars, the turbine blade of different model generally require each product and respectively manufacture a set of milling blade root bottom surface fixture, thus should
The versatility extreme difference of fixture, frock cost is high, and the manufacturing cycle is long；In sum, existing clamping cannot meet current blade
The requirement of high-quality and low cost.
The content of the invention
Regarding to the issue above, the invention provides the grip device for turbine blade root bottom surface Milling Process, its
Can solve the problems, such as that existing turbine blade root bottom surface processing and loading clamp is unstable, positioning precision is not high, while it is general to solve its
The property problem that poor, frock cost is high, the manufacturing cycle is long.
Its technical scheme is, for the grip device of turbine blade root bottom surface Milling Process, it includes base plate, described
One side of transverse direction on base plate is provided with the molded line positioning component for locating blades type face, laterally another side and is provided with use
Held down assembly in the blade root tooth shape locating of positioning compression blade root tooth form, it is characterised in that：The molded line positioning component includes
The model seat on described base plate transverse direction one end is installed on, the model seat is provided with L-shaped locating slot, and the L-shaped of the model seat is determined
Positioning templet is replaceably mounted in the groove of position, the positioning templet is provided with the molded line matched with blade concavity type face and positions
Face, is fixed with model locating piece and support jacking block, the model locating piece and branch respectively on longitudinal two sides of the model seat
, higher than the groove bottom of the L-shaped locating slot, longitudinal two side ends of the positioning templet are respectively by the model for the top surface of support block
Locating piece and support jacking block longitudinal register hold out against.
Further, the positioning templet offers locking groove, Top fastening screw towards the side bottom surface of the support jacking block
Longitudinally held out against with the positioning templet longitudinally through being stretched into the locking groove after the support jacking block.
Further, the bottom surface of model seat with the base plate by positioning pin connection, and model seat bottom surface
With base plate holding screw fastening, it is respectively used to be connected with the model seat dowel hole, the tightening of positioning on the base plate
Screw hole is horizontally arranged with two groups along the base plate.
Further, the blade root tooth shape locating holds down assembly including tooth shape locating part and support compression part, described
Tooth shape locating part includes steam admission side tooth shape locating portion and steam output side tooth shape locating portion, the steam admission side tooth shape locating portion, goes out vapour
Located at longitudinal both sides of the horizontal side of the base plate, the support compression part includes that steam admission side is supported for side tooth shape locating part
Compressed part and steam output side support compression portion, the steam admission side support compression portion, steam output side support compression portion are correspondingly arranged in respectively
The steam admission side tooth shape locating portion and the laterally inboard in steam output side tooth shape locating portion.
Further, the steam admission side tooth shape locating portion, steam output side tooth shape locating portion include tooth shape locating block, the tooth
Positioning toothed surface is equipped with shape locating surface, the tooth shape locating block is installed on the base plate, the steam admission side tooth shape locating
Portion, the longitudinally outboard end face of the tooth shape locating block in steam output side tooth shape locating portion be separately installed with blade root steam admission side locating piece,
Blade root steam output side compact heap.
Further, the longitudinally outboard face of the tooth shape locating block is provided with locating slot, the blade root steam admission side locating piece,
Positioning boss is respectively equipped with blade root steam output side compact heap, on the blade root steam admission side locating piece, blade root steam output side compact heap
Positioning positioning boss is assemblied in the locating slot of the corresponding tooth shape locating block respectively.
Further, the tooth shape locating block in the steam admission side tooth shape locating portion, steam output side tooth shape locating portion is by positioning
Keyway assembly connection on key and the base plate.
Further, the steam admission side support compression portion and steam output side support compression portion include that pressing plate seat and tooth form are compressed
Block, the pressing plate seat is rotatably adjustably mounted on the seat board, and the pressing plate seat top surface is by stud bolt an nut, tune
Section support is provided with pressing plate, and the tooth form compact heap is provided with compression toothed surface, and the compression toothed surface is contacted with blade root toothed surface,
The bottom seal face of the pressing plate contacts compression with the tooth form compact heap top surface.
Further, a side of the pressing plate bottom surface offers support slot, and the bottom of the regulation support is fixed in institute
State that pressing plate seat is upper, the other end stretch into the pressing plate is supported in the support slot it is spacing；The pressing plate center opens up
There is waist type groove, the studs top passes through the waist type groove and the nut check.
Further, the base plate be provided with two it is longitudinally asymmetric be provided with circular arc mounting hole, described pressing plate seat bottom surface one end
Positioning, the other end are connected by Positioning screw between the base plate circular arc mounting hole is passed through by hexagon socket cap head screw
It is adjustable with the base plate afterwards to be connected.
The beneficial effects of the present invention are：
（1）It carries out type face auxiliary positioning to blade by the molded line locating surface on positioning templet, especially molded line locating surface
For face contacts between blade profile, therefore the molded line locating surface of positioning templet can reliably fit between blade profile, so that
Positioning precision is high, good stability；Positioning templet is integrally fixed on positioning sample panel seat simultaneously, and it is once installed in place and is filled in positioning
Without manually adjusting again during folder blade, therefore the positioning that can evade traditional-handwork adjustment positioning belt from source is unreliable and not
Ballast；
（2）Base plate is provided with the circular arc mounting hole that can adjust pressing plate seat angle such that it is able to realize steam admission side support compression portion
Angle accommodation can be carried out with steam output side support compression portion with the virtual condition of blade；And be respectively used on base plate and model
The dowel hole of seat connection positioning, set screw hole are horizontally arranged with two groups along base plate so that tooth shape locating part can be with
Vane type line height unrestricted choice position location；Therefore the universal performance of fixture can be effectively improved, greatly reduce the design of frock
Manufacturing cycle and frock cost.
Brief description of the drawings
Fig. 1 is schematic front view of the present invention for the grip device of turbine blade root bottom surface Milling Process；
Fig. 2 is the schematic top plan view of Fig. 1；
Fig. 3 is the left view schematic diagram of Fig. 1；
Fig. 4 is the structural representation of model seat in present clip device；
Fig. 5 is the structural representation of positioning templet in present clip device；
Fig. 6 is the structural representation of tooth shape locating block in present clip device；
Fig. 7 is the schematic side view of Fig. 6；
Fig. 8 is the structural representation of blade root steam admission side locating piece in present clip device；
Fig. 9 is the structural representation of blade root steam output side compact heap in present clip device；
Figure 10 is the structural representation of present clip device center platen；
Figure 11 is the structural representation of base plate in present clip device；
Figure 12 is the structural representation of present clip device clamping blade.
Reference：10- base plates；11- dowel holes；12- set screw holes；13- keyways；14- circular arc mounting holes；20-
Molded line positioning component；21- models seat；211-L shape locating slots；2111- groove bottoms；22- positioning templets；221- molded line locating surfaces；
222- locking grooves；23- model locating pieces；24- supports jacking block；30- blade root tooth shape locatings hold down assembly；31- tooth shape locatings part；
310- tooth shape locating blocks；3101- positions toothed surface；3102- locating slots；311- steam admission side tooth shape locatings portion；3111- blade roots enter vapour
Side locating piece；31111- positioning boss；312- steam output side tooth shape locatings portion；3121- blade root steam output side compact heaps；31211- is positioned
Boss；32- support compressions part；321- steam admission side support compressions portion；322- steam output side support compressions portion；3201- pressing plates seat；
3202- tooth form compact heaps；32021- compresses toothed surface；3203- studs；3204- regulation supports；3205- pressing plates；
32051- bottoms seal face；32052- support slots；32053- kidney slots；3206- nuts；40- blades.
Specific embodiment
See Fig. 1, Fig. 2 and Fig. 3, present clip device includes base plate 10, and one side of transverse direction on base plate 10 is provided with use
It is provided with for positioning compression blade root tooth form on molded line positioning component 20, horizontal another side in locating blades type face
Blade root tooth shape locating holds down assembly 30；Molded line positioning component 20 includes the model seat 21 being installed on the horizontal one end of base plate 10, sees
Fig. 4, model seat 21 is provided with L-shaped locating slot 211, and positioning templet has been replaceably mounted in the L-shaped locating slot 211 of model seat
22, positioning templet 22 is provided with the molded line locating surface 221 matched with blade concavity type face, sees Fig. 5, the longitudinal direction two of model seat 21
Model locating piece 23 and support jacking block 24 are fixed with side respectively, model locating piece 23 and the top surface for supporting jacking block 24 are higher than institute
The groove bottom 2111 of L-shaped locating slot 211 is stated, longitudinal two side ends of positioning templet 22 are respectively by model locating piece 23 and support jacking block
24 longitudinal registers hold out against；Positioning templet 22 offers locking groove 222, Top fastening screw longitudinal direction towards the side bottom surface of support jacking block 24
Stretched into after support jacking block 24 in locking groove 222 and held out against with the longitudinal direction of positioning templet 22；The bottom surface of model seat 21 leads to base plate 10
Positioning pin connection is crossed, and model 21 bottom surfaces of seat are fastened with base plate 10 by holding screw, are respectively used on base plate 10 and model
The dowel hole 11 of the connection positioning of seat 21, set screw hole 12 are horizontally arranged with two groups along base plate 10.
Blade root tooth shape locating hold down assembly 30 include tooth shape locating part 31 and support compression part 32, tooth shape locating part
31 include steam admission side tooth shape locating portion 311 and steam output side tooth shape locating portion 312, steam admission side tooth shape locating portion 311, steam output side tooth form
Location division 312 is divided into longitudinal both sides of the horizontal side of base plate 10, and support compression part 32 includes steam admission side support compression portion
321 and steam output side support compression portion 322, steam admission side support compression portion 321, steam output side support compression portion 322 are correspondingly arranged respectively
In steam admission side tooth shape locating portion 311 and the laterally inboard in steam output side tooth shape locating portion 312.
Steam admission side tooth shape locating portion 311, steam output side tooth shape locating portion 312 include tooth shape locating block 310, tooth shape locating block
Positioning toothed surface 3101 is equipped with 310, tooth shape locating block 310 is installed on base plate 10, steam admission side tooth shape locating portion 311, gone out
The longitudinally outboard end face of the tooth shape locating block 310 in vapour side tooth shape locating portion 312 be separately installed with blade root steam admission side locating piece 3111,
Blade root steam output side compact heap 3121；The longitudinally outboard face of tooth shape locating block 310 is provided with locating slot 3102, blade root steam admission side positioning
Positioning boss 31111,31211, blade root steam admission side locating piece are respectively equipped with block 3111, blade root steam output side compact heap 3121
3111st, the positioning boss 31111,31211 on blade root steam output side compact heap 3121 is assemblied in corresponding tooth shape locating block 310 respectively
Locating slot 3102 in；Steam admission side tooth shape locating portion 311, the tooth shape locating block 310 in steam output side tooth shape locating portion 312 are by fixed
The assembly connection of keyway 13 on position key and base plate.
Steam admission side support compression portion 321 and steam output side support compression portion 322 include pressing plate seat 3201 and tooth form compact heap
3202, pressing plate seat 3201 is rotatably adjustably mounted on seat board 10, and pressing plate 3201 top surfaces of seat pass through studs 3203 and spiral shell
Female 3206, regulation support 3204 is provided with pressing plate 3205, and tooth form compact heap 3202 is provided with compression toothed surface 32021, compresses tooth form
Face 32021 contacts with blade root toothed surface, and the bottom seal face 32051 of pressing plate 3205 contacts pressure with the top surface of tooth form compact heap 3202
Tightly；One side of the bottom surface of pressing plate 3205 offers support slot 32052, and the bottom of regulation support 3204 is fixed in pressing plate seat 3201
The upper, other end stretch into pressing plate 3205 is supported in support slot 32052 it is spacing；The center of pressing plate 3205 offers waist type groove
32053, the top of studs 3203 is locked through waist type groove 32053 with nut 3206, so that pressing plate 3205 can be in waist type groove
Movement is adjusted in the range of 32053, to adapt to the compression to different size blade root；Base plate 10 be provided with two it is longitudinally asymmetric
Be provided with circular arc mounting hole 14, connected by Positioning screw between pressing plate 3201 bottom surface one end of seat and 10 base plates position, the other end by
Hexagon socket cap head screw is connected through adjustable with base plate 10 after circular arc mounting hole 14.
During present clip device clamping turbine blade, by the inner arc tooth form of blade root and tooth shape locating block 310
Tooth shape locating face 3101 is fitted, and two tooth form compact heaps 3202 is positioned over blade and blade is caused in the back of the body arc toothed surface of blade root
The back of the body arc toothed surface of root is fitted with the compression toothed surface 32021 of tooth form compact heap, then by blade concavity type face and molded line locating surface
221 laminatings, nut 3206 and studs 3203 are tightened the bottom seal face 32051 and tooth form compact heap for causing pressing plate 3205
3202 top surface contact is so as to tight with the back of the body curved tooth shape face pressure of blade root by tooth form compact heap 3202.
Claims (10)
1. the grip device of turbine blade root bottom surface Milling Process is used for, and it includes base plate（10）, the base plate（10）On
One side of transverse direction molded line positioning component for locating blades type face is installed（20）, laterally be provided with another side for
The blade root tooth shape locating of positioning compression blade root tooth form holds down assembly（30）, it is characterised in that：The molded line positioning component
（20）Including the model seat being installed on described base plate transverse direction one end（21）, the model seat（21）It is provided with L-shaped locating slot
（211）, the L-shaped locating slot of the model seat（211）Inside it has been replaceably mounted positioning templet（22）, the positioning templet（22）
It is provided with the molded line locating surface matched with blade concavity type face（221）, the model seat（21）Longitudinal two sides on respectively
It is fixed with model locating piece（23）With support jacking block（24）, the model locating piece（23）With support jacking block（24）Top surface be higher than
The groove bottom of the L-shaped locating slot（2111）, the positioning templet（22）Longitudinal two side ends respectively by the model locating piece
（23）With support jacking block（24）Longitudinal register holds out against.
2. the grip device for turbine blade root bottom surface Milling Process according to claim 1, it is characterised in that：
The positioning templet（22）Locking groove is offered towards the side bottom surface of the support jacking block（222）, Top fastening screw longitudinally through
After the support jacking block（24）Stretch into the locking groove（222）It is interior with the positioning templet（22）Longitudinal direction holds out against.
3. the grip device for turbine blade root bottom surface Milling Process according to claim 2, it is characterised in that：
The model seat（21）Bottom surface and the base plate（10）By positioning pin connection, and model seat（21）Bottom surface with it is described
Base plate（10）Fastened by holding screw, the base plate（10）On be respectively used to and the model seat（21）Connect the positioning of positioning
Pin-and-hole（11）, holding screw（12）Hole is horizontally arranged with two groups along the base plate.
4. according to any described grip device for turbine blade root bottom surface Milling Process in claims 1 to 3, its
It is characterised by：The blade root tooth shape locating holds down assembly including tooth shape locating part（31）With support compression part（32）, it is described
Tooth shape locating part（31）Including steam admission side tooth shape locating portion（311）With steam output side tooth shape locating portion（312）, the steam admission side tooth
Shape location division（311）, steam output side tooth shape locating portion（312）It is divided into the base plate（10）Longitudinal both sides of a horizontal side, institute
State support compression part（32）Including steam admission side support compression portion（321）With steam output side support compression portion（322）, the steam admission side
Support compression portion（321）, steam output side support compression portion（322）The steam admission side tooth shape locating portion is correspondingly arranged in respectively（311）
With steam output side tooth shape locating portion（312）Laterally inboard.
5. the grip device for turbine blade root bottom surface Milling Process according to claim 4, it is characterised in that：
The steam admission side tooth shape locating portion（311）, steam output side tooth shape locating portion（312）Include tooth shape locating block（310）, the tooth form
Locating piece（310）On be equipped with positioning toothed surface（3101）, the tooth shape locating block（3101）It is installed in the base plate（10）On,
The steam admission side tooth shape locating portion（311）, steam output side tooth shape locating portion（312）The tooth shape locating block（310）Longitudinal direction it is outer
Side end face is separately installed with blade root steam admission side locating piece（3111）, blade root steam output side compact heap（3121）.
6. the grip device for turbine blade root bottom surface Milling Process according to claim 5, it is characterised in that：
The tooth shape locating block（310）Longitudinally outboard face be provided with locating slot（3102）, the blade root steam admission side locating piece（3111）、
Blade root steam output side compact heap（3121）On be respectively equipped with positioning boss（31111、31211）, the blade root steam admission side locating piece
（3111）, blade root steam output side compact heap（3121）On positioning boss（31111、31211）The corresponding tooth is assemblied in respectively
Shape locating piece（310）Locating slot（3102）It is interior.
7. the grip device for turbine blade root bottom surface Milling Process according to claim 5 or 6, its feature exists
In：The steam admission side tooth shape locating portion（311）, steam output side tooth shape locating portion（312）Tooth shape locating block（310）By positioning
Key and the base plate（10）On keyway（13）Assembly connection.
8. the grip device for turbine blade root bottom surface Milling Process according to claim 4, it is characterised in that：
The steam admission side support compression portion（321）With steam output side support compression portion（322）Include pressing plate seat（3201）Compressed with tooth form
Block（3202）, the pressing plate seat（3201）Rotatably it is adjustably mounted to the seat board（10）On, the pressing plate seat（3201）Top
Face passes through studs（3203）And nut（3206）, regulation support（3204）Pressing plate is installed（3205）, the tooth form compression
Block（3202）It is provided with compression toothed surface（32021）, the compression toothed surface（32021）Contacted with blade root toothed surface, the pressing plate
（3205）Bottom seal face（32051）With the tooth form compact heap（3202）Top surface contact is compressed.
9. the grip device for turbine blade root bottom surface Milling Process according to claim 8, it is characterised in that：
The pressing plate（3205）One side of bottom surface offers support slot（32052）, the regulation support（3204）Bottom be fixed in
The pressing plate seat（3201）The upper, other end stretches into the support slot（32052）It is interior to the pressing plate（3201）It is supported spacing；
The pressing plate（3205）Center offers waist type groove（32053）, the studs（3203）Top passes through the waist type
Groove（32053）With the nut（3206）Locking.
10. the grip device for turbine blade root bottom surface Milling Process according to claim 9, its feature exists
In：The base plate（10）It is provided with two and longitudinally asymmetric is provided with circular arc mounting hole（14）, the pressing plate seat（3201）Bottom surface one end
With the base plate（10）Between by Positioning screw connect positioning, the other end by hexagon socket cap head screw pass through the circular arc waist
Shape hole（14）Afterwards with the base plate（10）Adjustable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248538.XA CN106736700B (en) | 2016-12-29 | 2016-12-29 | Grip device for turbine blade root bottom surface Milling Process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248538.XA CN106736700B (en) | 2016-12-29 | 2016-12-29 | Grip device for turbine blade root bottom surface Milling Process |
Publications (2)
| Publication Number | Publication Date |
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| CN106736700A true CN106736700A (en) | 2017-05-31 |
| CN106736700B CN106736700B (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611248538.XA Active CN106736700B (en) | 2016-12-29 | 2016-12-29 | Grip device for turbine blade root bottom surface Milling Process |
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| CN107322334A (en) * | 2017-07-14 | 2017-11-07 | 哈尔滨汽轮机厂有限责任公司 | A kind of milling integral shroud molded line special fixture |
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| CN107322334A (en) * | 2017-07-14 | 2017-11-07 | 哈尔滨汽轮机厂有限责任公司 | A kind of milling integral shroud molded line special fixture |
| CN107639564A (en) * | 2017-10-12 | 2018-01-30 | 无锡透平叶片有限公司 | Pre-determined bit boss positioner |
| CN107639564B (en) * | 2017-10-12 | 2023-09-22 | 无锡透平叶片有限公司 | Positioning device for pre-positioning boss |
| CN109531069B (en) * | 2018-12-17 | 2020-05-05 | 郑州煤矿机械集团股份有限公司 | Machining method and machining tool for hydraulic cylinder with joint seat |
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| CN110293426A (en) * | 2019-08-07 | 2019-10-01 | 沈阳飞机工业（集团）有限公司 | Twin-screw slider pressing device |
| CN110802239A (en) * | 2019-11-27 | 2020-02-18 | 中国航发沈阳黎明航空发动机有限责任公司 | A simulation disc tool for high-pressure blade turning |
| CN111993314A (en) * | 2020-08-31 | 2020-11-27 | 福建兵工装备有限公司 | Clamping device for machining reducer seat |
| CN112658754A (en) * | 2020-12-25 | 2021-04-16 | 太仓庄正数控设备有限公司 | Positioning fixture for caliper frame |
| CN115157123A (en) * | 2022-08-25 | 2022-10-11 | 南京农业大学 | A jig and a grinding method for grinding the side surface of the upper turret and the intake edge of the lower turret of a sector of a gas turbine guide vane |
| CN115488661A (en) * | 2022-10-26 | 2022-12-20 | 中国航发沈阳黎明航空发动机有限责任公司 | A boring and milling tool for split diffusion welding structure blade journal |
| FR3150726A1 (en) * | 2023-07-03 | 2025-01-10 | Safran Aircraft Engines | SYSTEM FOR BRIDLING A DAWN FOOT |
| CN118357092A (en) * | 2024-06-20 | 2024-07-19 | 西南科技大学 | Turbine blade spraying tool |
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