CN114227462B - Device and method for machining dihedral angle chord width of turbine blade - Google Patents
Device and method for machining dihedral angle chord width of turbine blade Download PDFInfo
- Publication number
- CN114227462B CN114227462B CN202111535152.8A CN202111535152A CN114227462B CN 114227462 B CN114227462 B CN 114227462B CN 202111535152 A CN202111535152 A CN 202111535152A CN 114227462 B CN114227462 B CN 114227462B
- Authority
- CN
- China
- Prior art keywords
- turbine blade
- positioning
- support
- trailing edge
- grinding
- 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.)
- Active
Links
- 238000003754 machining Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003672 processing method Methods 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 9
- 208000029154 Narrow face Diseases 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to a turbine blade dihedral angle chord width processing device and a processing method, wherein the processing device comprises a base, an inclined support is arranged on the base, a support column perpendicular to the support is arranged on the support, one end of the support column is horizontally hinged with a connecting rod, the other end of the connecting rod is provided with a movable joint bolt in a penetrating way, the other end of the movable joint bolt is arranged in the support, and positioning balls are arranged on two sides of the movable joint bolt. The invention can effectively improve the machining precision of the dihedral angle chord width of the turbine blade.
Description
Technical Field
The invention relates to the field of machining of turbine blades of aeroengines, in particular to a device and a method for machining a dihedral angle chord width of a turbine blade.
Background
At present, the dihedral angle of the turbine guide vane of the aeroengine adopts the processing of positioning the tail edge thin wall of the vane body, and the radial direction also has an inclination angle due to the fact that the front edge plate and the rear edge plate of the vane have a certain inclination angle. When the half chord width is processed, the relative position between the edge plate and the blade body is ensured, and the blade body intermediate connecting blade is required to be used as a circumferential positioning point in the circumferential direction. The existing processing method adopts a common clamp for clamping, adopts a high-precision five-axis machine tool to process the blade by reversing angles in two directions through the machine tool. Therefore, the machining cost of the machine tool for machining the dihedral angle is high, and the limitation is strong.
Accordingly, those skilled in the art have been working to develop a device and method for machining a dihedral chord width of a turbine blade, which improves the machining accuracy of the dihedral chord width of the turbine blade.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device and a method for machining a dihedral angle chord width of a turbine blade, and the machining precision of the turbine blade is improved.
The technical scheme for solving the technical problems is as follows: the turbine blade dihedral angle chord width processing device comprises a base, wherein an inclined support is arranged on the base, a support column perpendicular to the support is arranged on the support, a connecting rod is horizontally hinged to one end of the support column, a movable joint bolt is arranged at the other end of the connecting rod in a penetrating mode, and the other end of the movable joint bolt is arranged in the support;
and positioning balls are arranged on two sides of the movable joint bolt.
The beneficial effects of the invention are as follows: the turbine blade is arranged on the inclined support, so that the front edge plate and the rear edge plate of the turbine blade have an inclination angle, and after the turbine blade is positioned by the positioning ball, the turbine blade is fastened by the connecting rod, so that the turbine blade is installed and positioned to a set angle, and further, the subsequent processing operation is facilitated.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the inclination angle of the base is 9 degrees 8 '52.21' -9 degrees 10 '52.21', and the inclination angle of the support seat relative to the base is 49 degrees 21 '32' -49 degrees 24 '32'.
The technical scheme has the advantages that the inclination angle of the base and the inclination angle of the support are set according to the inclination angles of the front and rear edge plates, so that the turbine blade can be conveniently and rapidly positioned and fixed accurately, and then the turbine blade is processed and operated.
Further, a flat plate is arranged on the support, the positioning ball is located on the flat plate, and a positioning pin and a measuring ball are further arranged on the flat plate.
The beneficial effect of adopting above-mentioned further scheme is on dull and stereotyped setting and the support, is convenient for fix turbine blade, restricts a degree of freedom of turbine blade through the locating pin to further restrict the location with turbine blade, the measuring ball is convenient for measure the surface of many turbine blade in the course of working.
Further, the connecting rod lateral wall is connected with the clamp plate that is used for compressing tightly turbine blade through the pin.
The beneficial effect of adopting above-mentioned further scheme is that the clamp plate is used for compressing tightly turbine blade tip to wholly fix turbine blade.
Further, a nut is arranged at the end part of the movable joint bolt, which is close to the connecting rod, and a spherical washer and a conical washer are arranged between the nut and the connecting rod.
The adoption of the further scheme has the beneficial effects that the spherical washer and the conical washer can effectively prevent the turbine blade from being deviated due to looseness of the nut in the processing process, so that the turbine blade is inaccurate to process.
Further, the swing bolt is connected with the support by a connecting pin, and the connecting pin is fastened by a screw.
The beneficial effects of adopting above-mentioned further scheme are that the connecting rod passes through the connecting pin and is connected with the support with the screw, convenient to detach changes.
The turbine blade dihedral angle chord width machining method comprises the turbine blade dihedral angle chord width machining device, and comprises the following steps of:
s1, determining positioning points: a large trailing edge mounting plate and a small trailing edge mounting plate of the turbine blade are selected to position a plane, three first positioning points are arranged, two second positioning points are arranged in a channel in the large trailing edge mounting plate, and a third positioning point is limited on the trailing edge of the turbine blade;
s2, determining three narrow surfaces on the flat plate, determining a plane to position the large trailing edge mounting plate and the small trailing edge mounting plate, positioning two second positioning points arranged in a channel in the large trailing edge mounting plate by the positioning balls positioned on two sides of the movable joint bolt, and positioning a third positioning point of the trailing edge of the turbine blade assembly by the positioning pins;
s3, rotating the nut, and positioning and fixing the turbine blade through the pressing plate;
s4, selecting the specification and the grinding parameters of the grinding wheel, and grinding the dihedral angle chord width of the turbine blade.
The adoption of the further scheme has the beneficial effects that the turbine blades are accurately fixed on the support by limiting the limiting points at different positions of the turbine blades, so that the subsequent further processing is facilitated.
Further, in step S4, the diameter of the grinding wheel is 300mm, and the thickness of the grinding wheel is 35mm.
The adoption of the further scheme has the beneficial effects that the turbine blade is processed by selecting the specific grinding wheel, so that the accuracy of the surface of the turbine blade is improved.
Further, in step S4, coarse grinding is performed first, then fine grinding is performed, the depth of coarse grinding is 1.2mm, and the depth of fine grinding is 0.15mm.
The technical scheme has the beneficial effects that the grinding wheel is firstly subjected to rough grinding and then is subjected to fine grinding, so that the surface accuracy of the turbine blade is further improved.
Further, in step S4, the grinding linear velocity is 18m/S, the feeding velocity is 250mm/min, and the cooling fluid pressure is more than 0.6Mpa.
The adoption of the further scheme has the beneficial effects that the proper linear speed and feeding speed are set, and the surface accuracy of the turbine blade is further improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the N-directional structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the K-way structure of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a turbine blade according to an embodiment of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a base; 2. a support; 3. a support post; 4. a connecting rod; 5. a swing bolt; 6. a measuring ball; 7. a positioning ball; 8. a flat plate; 9. a positioning pin; 10. a pin; 11. a pressing plate; 12. a screw cap; 13. a spherical washer; 14. a conical washer; 15. a connecting pin; 16. a screw; 17. a positioning plate; 18. a positioning block; 19. the workpiece profile.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the system or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1, 2 and 3, the device for machining the chord width of the dihedral angle of the turbine blade comprises a base 1, wherein in order to adapt to the radial direction angle of the front edge plate and the rear edge plate of the turbine blade, the inclination angle of the base 1 is set to 9 degrees 8 '52.21' to 9 degrees 10 '52.21', an inclined support 2 is arranged on the base 1, the inclination angle of the support 2 is mainly used for adapting to the angle of the front edge plate and the rear edge plate of the turbine blade, the inclination angle between the support 2 and the base 1 is 49 ° 21'32 "to 49 ° 24' 32", and in some embodiments, a positioning block 18 is disposed between the base 1 and the support 2, and the positioning block 18 has an inclination angle of 49 ° 21'32 "to 49 ° 24' 32", so that a set inclination angle between the base 1 and the support 2 is maintained.
Be provided with the pillar 3 of perpendicular to support 2 on the support 2, pillar 3 one end level articulates there is connecting rod 4, and connecting rod 4 lateral wall is connected with the clamp plate 11 that is used for compressing tightly turbine blade through pin 10, and clamp plate 11 mainly used compresses tightly turbine blade's terminal surface, and then sticiss turbine blade fixedly. The joint bolt 5 is connected to the support 2 by means of a connecting pin 15, the connecting pin 15 being fastened by means of a screw 16.
The other end of the connecting rod 4 is provided with a movable joint bolt 5 in a penetrating way, the end part of the movable joint bolt 5, which is close to the connecting rod 4, is provided with a nut 12, and the nut 12 is used for tightly pressing the connecting rod 4. A spherical washer 13 and a conical washer 14 are arranged between the nut 12 and the connecting rod 4, and the spherical washer 13 and the conical washer 14 prevent the nut 12 from loosening in the machining process to cause the deviation of the grinding machining position. The other end of the movable joint bolt 5 is arranged in the support 2, and positioning balls 7 are arranged on two sides of the movable joint bolt 5. Be provided with dull and stereotyped 8 on the support 2, locating ball 7 are located dull and stereotyped 8, still are provided with locating pin 9 and measuring ball 6 on the dull and stereotyped 8, and the locating ball 7 that is located the different positions is used for the different positions of location turbine blade, and it is fixed with turbine blade location further to cooperate with locating pin 9 on the dull and stereotyped 8, and measuring ball 6 is convenient for measure the surface of many turbine blade in the course of working.
As shown in fig. 1 and 4, the invention further provides a method for machining the dihedral angle chord width of the turbine blade, which comprises the device for machining the dihedral angle chord width of the turbine blade, wherein the machining device positions and fixes the turbine blade and then performs machining through a biaxial creep grinding machine, and specifically comprises the following steps:
s1, determining positioning points: the turbine blade is characterized in that a plane is positioned by a large rear edge mounting plate and a small rear edge mounting plate of the turbine blade, three first positioning points are arranged, two second positioning points are arranged in a channel in the large rear edge mounting plate, a third positioning point is limited on the rear edge of the turbine blade, and 6 different positioning points are arranged on the turbine blade, so that the turbine blade is fixed with a turbine blade processing device through 6 different positioning points, and the turbine blade is integrally fixed.
S2, determining three narrow faces on a flat plate 8, determining a plane to position a rear edge large mounting plate and a rear edge small mounting plate, wherein the determined planes of the three narrow faces correspond to the planes of the turbine blade rear edge large mounting plate and the rear edge small mounting plate, and the business card of the rear edge large mounting plate and the rear edge small mounting plate and the planes formed by the three narrow faces are fixedly connected through three first positioning points, and the planes formed by the three narrow faces mainly comprise two positioning balls 7 and positioning plates 17.
The locating balls 7 positioned at two sides of the movable joint bolt 5 are used for locating a third locating point of the rear edge of the turbine blade, and the third locating point is B5.
S3, rotating the nut 12, positioning and fixing the turbine blade through the pressing plate 11, enabling the fixed turbine blade to be in the shape of a workpiece contour 19 in FIG. 1, and then adopting a biaxial creep grinding machine to carry out grinding processing.
S4, selecting the specification and the grinding parameters of the grinding wheel, and grinding the dihedral angle chord width of the turbine blade. Coarse grinding is performed first, and then fine grinding is performed. In the embodiment, the depth of rough grinding is 1.2mm, the depth of fine grinding is 0.15mm, the turbine blade can be rapidly polished in the rough grinding process, but the coarseness of the turbine blade after rough grinding is large, further fine grinding is needed, and the coarseness of the surface of the turbine blade is small after fine grinding, so that the set requirements are met.
In the rough grinding and fine grinding processes, a specific grinding wheel is needed, the diameter of the grinding wheel is 300mm, the thickness of the grinding wheel is 35mm, the hardness E of the grinding wheel is 19, and the specific grinding wheel can be used for quickly and efficiently grinding, and meanwhile, the surface quality of the turbine blade is improved. The grinding linear speed is 18m/s, the feeding speed is 250mm/min, the cooling liquid pressure is more than 0.6Mpa, continuous cooling is required in the grinding process, and the turbine blade is prevented from being damaged locally by high temperature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides a turbine blade dihedral angle chord width processingequipment which characterized in that: the support comprises a base (1), wherein an inclined support (2) is arranged on the base (1), a support column (3) perpendicular to the support (2) is arranged on the support (2), one end of the support column (3) is horizontally hinged with a connecting rod (4), the other end of the connecting rod (4) is provided with a movable joint bolt (5) in a penetrating mode, and the other end of the movable joint bolt (5) is arranged in the support (2); the side wall of the connecting rod (4) is connected with a pressing plate (11) for pressing the turbine blade through a pin (10), and the pressing plate (11) is used for pressing the end face of the turbine blade;
positioning balls (7) are arranged on two sides of the movable joint bolt (5), and the positioning balls (7) are used for positioning two positioning points arranged in a channel in the large rear edge mounting plate;
the inclination angle of the base (1) is 9 degrees 8 '52.21' -9 degrees 10 '52.21', the inclination angle of the base (1) is used for adapting to the angle of the radial direction of the front and rear edge plates of the turbine blade, the inclination angle of the support (2) relative to the base (1) is 49 degrees 21 '32' -49 degrees 24 '32', and the inclination angle of the support (2) is used for adapting to the angle of the front and rear edge plates of the turbine blade;
be provided with dull and stereotyped (8) on support (2), locating ball (7) are located on dull and stereotyped (8), still be provided with locating pin (9) and measuring ball (6) on dull and stereotyped (8), measuring ball (6) are used for measuring turbine blade's surface in the course of working, locating pin (9) location turbine blade allies oneself with a setpoint of trailing edge, a plane location trailing edge big mounting panel and trailing edge little mounting panel are confirmed to three narrow face on dull and stereotyped (8), and the plane of three narrow face determinations corresponds with the plane of turbine blade trailing edge big mounting panel and trailing edge little mounting panel.
2. The turbine blade dihedral chord width machining apparatus according to claim 1, wherein: the movable joint bolt (5) is provided with a nut (12) near the end part of the connecting rod (4), and a spherical washer (13) and a conical washer (14) are arranged between the nut (12) and the connecting rod (4).
3. The turbine blade dihedral chord width machining apparatus according to claim 2, wherein: the articulated screw (5) is connected with the support (2) by a connecting pin (15), and the connecting pin (15) is fastened by a screw (16).
4. A method for machining a dihedral chord width of a turbine blade, comprising the turbine blade dihedral chord width machining apparatus according to claim 3, comprising the steps of:
s1, determining positioning points: a large trailing edge mounting plate and a small trailing edge mounting plate of the turbine blade are selected to position a plane, three first positioning points are arranged, two second positioning points are arranged in a channel in the large trailing edge mounting plate, and a third positioning point is limited on the trailing edge of the turbine blade;
s2, three narrow surfaces are determined on the flat plate (8) and a plane is determined to position the large trailing edge mounting plate and the small trailing edge mounting plate, the positioning balls (7) positioned at two sides of the movable joint bolt (5) are used for positioning two second positioning points arranged in a channel in the large trailing edge mounting plate, and the positioning pins (9) are used for positioning a third positioning point of the trailing edge of the turbine blade assembly;
s3, rotating the screw cap (12), and positioning and fixing the turbine blade through the pressing plate (11);
s4, selecting the specification and the grinding parameters of the grinding wheel, and grinding the dihedral angle chord width of the turbine blade.
5. The method for machining the dihedral chord width of the turbine blade according to claim 4, wherein: in step S4, the diameter of the grinding wheel is 300mm, and the thickness of the grinding wheel is 35mm.
6. The method for machining the dihedral chord width of the turbine blade according to claim 5, wherein: in the step S4, rough grinding is firstly carried out, then fine grinding is carried out, the depth of rough grinding is 1.2mm, and the depth of fine grinding is 0.15mm.
7. The turbine blade dihedral chord width processing method according to claim 6, wherein: in the step S4, the grinding linear speed is 18m/S, the feeding speed is 250mm/min, and the cooling liquid pressure is more than 0.6Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535152.8A CN114227462B (en) | 2021-12-15 | 2021-12-15 | Device and method for machining dihedral angle chord width of turbine blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535152.8A CN114227462B (en) | 2021-12-15 | 2021-12-15 | Device and method for machining dihedral angle chord width of turbine blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114227462A CN114227462A (en) | 2022-03-25 |
| CN114227462B true CN114227462B (en) | 2024-04-09 |
Family
ID=80756396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111535152.8A Active CN114227462B (en) | 2021-12-15 | 2021-12-15 | Device and method for machining dihedral angle chord width of turbine blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114227462B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4829720A (en) * | 1988-06-20 | 1989-05-16 | Cavalieri Dominic A | Turbine blade positioning fixture |
| CN201109035Y (en) * | 2007-09-24 | 2008-09-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Special-purpose fixture |
| CN201744716U (en) * | 2010-08-12 | 2011-02-16 | 四川省自贡市海川实业有限公司 | Clamp dedicated for fine milling of radial inclined planes of blade basin |
| CN103878608A (en) * | 2014-01-30 | 2014-06-25 | 无锡透平叶片有限公司 | Clamp used for processing aviation thin-wall blade pitch |
| KR101950980B1 (en) * | 2018-09-20 | 2019-02-21 | 터보파워텍(주) | jig apparatus for manufacturing a vane of gas turbine |
| CN110315359A (en) * | 2019-06-21 | 2019-10-11 | 西安朋邦工贸有限公司 | A kind of low-pressure turbine guide vane tool structure and adjusting method |
| CN112496469A (en) * | 2020-11-19 | 2021-03-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Clamp mechanism for slowly feeding and grinding tenon tooth of turbine blade |
| CN113664665A (en) * | 2021-08-25 | 2021-11-19 | 中国航发沈阳黎明航空发动机有限责任公司 | Method for setting positioning reference of working blade of isometric crystal low-pressure turbine |
-
2021
- 2021-12-15 CN CN202111535152.8A patent/CN114227462B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4829720A (en) * | 1988-06-20 | 1989-05-16 | Cavalieri Dominic A | Turbine blade positioning fixture |
| CN201109035Y (en) * | 2007-09-24 | 2008-09-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Special-purpose fixture |
| CN201744716U (en) * | 2010-08-12 | 2011-02-16 | 四川省自贡市海川实业有限公司 | Clamp dedicated for fine milling of radial inclined planes of blade basin |
| CN103878608A (en) * | 2014-01-30 | 2014-06-25 | 无锡透平叶片有限公司 | Clamp used for processing aviation thin-wall blade pitch |
| KR101950980B1 (en) * | 2018-09-20 | 2019-02-21 | 터보파워텍(주) | jig apparatus for manufacturing a vane of gas turbine |
| CN110315359A (en) * | 2019-06-21 | 2019-10-11 | 西安朋邦工贸有限公司 | A kind of low-pressure turbine guide vane tool structure and adjusting method |
| CN112496469A (en) * | 2020-11-19 | 2021-03-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Clamp mechanism for slowly feeding and grinding tenon tooth of turbine blade |
| CN113664665A (en) * | 2021-08-25 | 2021-11-19 | 中国航发沈阳黎明航空发动机有限责任公司 | Method for setting positioning reference of working blade of isometric crystal low-pressure turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114227462A (en) | 2022-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109531198B (en) | Method for improving machining precision of large-scale complex-structure blade and fine trimming clamp of process table | |
| CN111716147B (en) | Device and method for accurately controlling and processing wall thickness error of rotary shell part | |
| WO1989007515A1 (en) | Adjustable support for cutting apparatus | |
| CN111673467A (en) | Aerospace catheter allowance cutting equipment and rapid remodeling clamping device thereof | |
| CN114227462B (en) | Device and method for machining dihedral angle chord width of turbine blade | |
| CN215727469U (en) | Variable-depth ruling device for critical shear thickness determination of engineering ceramics | |
| CN110095409B (en) | Ejecting and breaking device and method for detecting particle bonding strength of bimetal band saw blade | |
| CN115781439A (en) | Processing device for circular boss in curved surface | |
| CN113601257B (en) | Microstructure array processing device and method based on variable-pitch fly cutter cutting | |
| CN214792937U (en) | Absolute verticality measuring tool | |
| CN114310419A (en) | Sixteen-axis digital control five-axis linkage precision milling and grinding machining center | |
| CN111412870B (en) | Quartz ring positioning and detecting device | |
| CN210938403U (en) | Negative chamfering machining clamp for cutter | |
| WO2004020136A1 (en) | Thread grinding machine | |
| CN110666589A (en) | Method and device for determining coordinates of workpiece and reducing machining rotation error of workpiece | |
| CN215201022U (en) | Micro drill bit processing and positioning mechanism with adjustable grinding wheel device | |
| CN220881948U (en) | Eccentric shaft part clamping device that polishes | |
| CN110712075A (en) | Negative chamfering machining clamp for cutter and using method of negative chamfering machining clamp | |
| CN213765106U (en) | Machining center rotation center test piece | |
| CN217316250U (en) | Gear machining grinding mechanism | |
| CN218135403U (en) | Vertical band sawing machine | |
| CN215201021U (en) | Adjustable grinding wheel device for machining micro drill bit | |
| CN219541794U (en) | Drilling jig tool | |
| CN219882107U (en) | Angle-adjustable machining clamp | |
| CN220389087U (en) | Four-side cutting and grinding tool for sliding block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |