CN109262132B - Blisk swing friction welding device and method - Google Patents
Blisk swing friction welding device and method Download PDFInfo
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- CN109262132B CN109262132B CN201811306971.3A CN201811306971A CN109262132B CN 109262132 B CN109262132 B CN 109262132B CN 201811306971 A CN201811306971 A CN 201811306971A CN 109262132 B CN109262132 B CN 109262132B
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- blade
- blisk
- base
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- upsetting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/126—Workpiece support, i.e. backing or clamping
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- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a blisk swing friction welding device and a blisk swing friction welding method. The apparatus comprises a base, a blade drive unit and a blisk drive unit, wherein: the base is of a disc structure taking a blade disc as a center, and a plurality of blade driving mechanisms are arranged on the base; the blade driving unit comprises a blade clamp and an upsetting driving mechanism, the blade clamp is used for clamping a blade, the blade clamp is provided with a through hole structure for clamping the blade, the blade can penetrate through and be clamped in the through hole structure, and the upsetting driving mechanism is used for driving the blade clamp to drive the blade to linearly move relative to the base; the leaf disc driving unit comprises a leaf disc clamp and a swing driving mechanism, the leaf disc clamp is provided with a mounting surface for clamping a leaf disc, the leaf disc can be coaxially mounted with the leaf disc clamp at the center of the base, and the swing driving mechanism is used for driving the leaf disc clamp to drive the leaf disc to swing within a preset angle range relative to the base.
Description
Technical Field
The invention relates to the technical field of aviation manufacturing, in particular to blisk swing friction welding equipment and a blisk swing friction welding method.
Background
The blisk is one of the key parts of the new engine, and a plurality of blades are manufactured into a whole with a central blisk as shown in fig. 1. Linear friction welding is a pressure welding method because of the high quality of the weld, which is a typical technical method for manufacturing blisks.
Designing and manufacturing parts of the blade and the blade disc before welding according to the characteristics of the linear friction welding process. During linear friction welding, installing the blades before welding in corresponding blade clamps, and driving the high-frequency vibration of the blade clamps to drive the blades to vibrate at high frequency; the method comprises the steps that a welding front blade disc is installed on a corresponding blade disc clamp, upsetting movement of the blade disc is achieved by driving the blade disc clamp, after the welding front blade is contacted with the blade disc, a blade welding table and a blade disc welding table are connected together through linear friction welding, all the welding front blade are welded in sequence, the welding of the integral blade disc is completed, and the final integral blade disc is completed after technological allowance is removed through subsequent numerical control milling.
In the manufacturing method, the blade clamp is arranged on the vibration sliding table, the longer the blade is, the larger the overhang of the end part of the blade is, the larger the distance between the vibration driving force action line of the vibration sliding table and the welding surface load action line of the blade is, and under the same load, the larger the deformation of the extending end of the blade clamp is, the larger the deformation exceeds a certain deformation amount, the greater the influence on the linear friction welding quality is generated, and even the linear friction welding process cannot be adopted.
Accordingly, the inventors provide a blisk oscillating friction welding apparatus and method.
Disclosure of Invention
The embodiment of the invention provides blisk swinging friction welding equipment and a blisk swinging friction welding method, which enable blades to linearly move under the action of upsetting force, enable the blisk to swing in a high-frequency angular mode, enable the blades to be in friction welding with the blisk swinging in a high-frequency mode under the action of upsetting force, and solve the deformation problem caused by vibration of long blades during welding of the blisk.
In a first aspect, an embodiment of the present invention provides a blisk oscillating friction welding apparatus, comprising a base, a blade driving unit, and a blisk driving unit, wherein:
the base is of a disc structure taking a blade disc as a center, and a plurality of blade driving units are arranged on the base;
the blade driving unit comprises a blade clamp and an upsetting driving mechanism, the blade clamp is used for clamping a blade and is provided with a through hole structure for clamping the blade, the blade can penetrate through and be clamped in the through hole structure, and the upsetting driving mechanism is used for driving the blade clamp to drive the blade to linearly move relative to the base;
the blisk driving unit comprises a blisk clamp and a swinging driving mechanism, the blisk clamp is used for clamping a blisk, the blisk clamp is provided with a mounting surface for clamping the blisk, the blisk can be coaxially mounted at the center of the base through the blisk clamp, and the swinging driving mechanism is used for driving the blisk clamp to drive the blisk to swing within a preset angle range relative to the base.
Further, the upset actuating mechanism includes upset slip table and upset hydro-cylinder, blade anchor clamps detachably installs on the upset slip table, the upset hydro-cylinder is installed on the base, the piston rod of upset hydro-cylinder is used for the drive the upset slip table is in linear sliding on the base.
Furthermore, a guide rail is arranged between the upsetting sliding table and the base, and the guide rail is arranged at the bottom of the upsetting sliding table or on the base.
Furthermore, the upsetting sliding table is provided with an installation surface, the installation surface is opposite to the piston rod of the upsetting oil cylinder, and the piston rod of the upsetting oil cylinder is connected with the installation surface to drive the upsetting sliding table to linearly slide in a reciprocating manner.
Furthermore, the center of the blade disc clamp is provided with a mounting through hole concentric with the central hole of the blade disc, and the disc body of the blade disc clamp is provided with a mounting hole for detachably mounting the blade disc.
Furthermore, the swing driving mechanism comprises a rotating oil cylinder and a columnar rotary table, the columnar rotary table penetrates through the center of the disc of the base, the rotary table is connected with the bottom of the leaf disc clamp, the rotating oil cylinder is arranged on the mounting seat, and a piston rod of the rotating oil cylinder is used for driving the columnar rotary table to rotate.
Further, a bearing is installed between the rotary table and the base, the rotary table is connected with an inner ring of the bearing, and the base is connected with an outer ring of the bearing.
Furthermore, the two sides of the outer wall of the rotary table are provided with bosses which are axisymmetric, the two rotary oil cylinders and the bosses on the two sides are respectively and correspondingly arranged, the two rotary oil cylinders are centrosymmetrically arranged, and piston rods of the rotary oil cylinders are all connected with the bosses on the corresponding sides, so that the rotary table can be driven to rotate around a central shaft.
Further, the number of the blade driving units is the same as the number of the blades.
In a second aspect, there is provided a blisk oscillating friction welding method, using the apparatus of the first aspect, the method comprising:
installing a blade disc on the blade disc clamp, installing all blades on the corresponding blade clamp, enabling the blade disc to be positioned at the center of the base, enabling all the blades to form a radial shape by taking the blade disc as the center, and enabling the blade welding tables to be arranged corresponding to the corresponding blade disc welding tables;
operating a blade driving unit to enable the upsetting driving mechanism to drive the blade clamp to drive the blade to move linearly relative to the base until the blade welding table is contacted with the blade disc welding table;
operating a blade disc driving mechanism to enable the swing driving mechanism to drive the blade disc clamp to drive the blade disc to swing within an angle range of 1-3 degrees, wherein the frequency range of the swing is 20-70 Hz;
the blade welding table and the blade disc welding table are in friction welding, friction heat is generated on the contact surface of the blade welding table and the blade disc welding table, the contact surface material is extruded after being softened, the blade disc is enabled to stop swinging rapidly after the contact surface material is extruded to reach a preset amount, and the blade is welded with the blade disc under the action of upsetting force to form an integral blade disc structure.
In summary, according to the blisk swinging friction welding device and method provided by the invention, the blade clamp is driven by the upsetting driving mechanism in the blade driving unit to drive the blade clamp to linearly move, the blisk clamp is driven by the swinging driving mechanism in the blisk driving mechanism to drive the blisk to swing at a high frequency within a certain angle range, so that the blade can be in friction welding with the blisk swinging at a high frequency under the action of upsetting force, and the blisk swinging at a high frequency and upsetting method of the blade not only solves the welding problem of the blisk of a long blade, but also can realize one-time welding of all blades, and has high welding efficiency and welding position precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a conventional blisk.
FIG. 2 is a schematic view of the structure of a blisk and a blade prior to welding.
FIG. 3 is a schematic view of a prior art weld scenario for a blisk and a blade.
FIG. 4 is a schematic view of a blade fixture force deflection analysis using a prior art welding method.
Fig. 5 is a schematic view of the overall structure of the blisk oscillating friction welding apparatus of the present invention.
FIG. 6 is a front view of the blisk oscillating friction welding apparatus of the present invention.
Fig. 7 is a schematic structural view of a leaf disk drive unit of the present invention.
Fig. 8 is a schematic view of the installation of the swivel cylinder of the present invention.
In the figure:
1-clamping table; 2-a blade welding table; 3-leaf body; 4-a leaf disc body; 5-a blisk welding table; 6-blade clamp (prior art); 7-a vibration table; 8-blisk clamp (prior art); 9-an upsetting station; 10-upset sliding table; 11-a guide rail; 12-a base; 13-upsetting oil cylinders; 14-blade clamp (inventive); 15-blisk clamp (of the invention); 16-a turntable; 17-a gasket; 18-a bearing; 19-a mounting seat; and 20-rotating the oil cylinder.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 2 is a schematic structural view of a blade and a blisk before welding of the blisk, and before the blisk is manufactured by a linear friction welding method, the blade and the blisk parts before welding shown in fig. 2 are designed and manufactured according to the characteristics of the linear friction welding process. The blade before welding comprises a clamping table 1, a blade welding table 2 and a blade body 3; the blade disc before welding mainly comprises a blade disc body 4 and a plurality of blade disc welding tables 5.
In the linear friction welding process, a clamping table 1 of a blade before welding is arranged in a blade clamp 6 in the prior art, the blade clamp 6 is arranged on a vibrating table 7, and the vibrating table 7 is driven by an oil cylinder to vibrate at high frequency; the front welding blade disc is arranged on a front welding blade disc clamp 8 in the prior art, the blade disc clamp 8 is arranged on an upsetting table 9, and the upsetting table 9 realizes upsetting motion under the driving of another oil cylinder; and connecting the blade welding table 2 of the blade before welding and the blade disc welding table 5 of the blade disc before welding through linear friction welding, and then sequentially welding the other blades to be welded to complete the welding of all the blades and the blade disc. And removing process allowance through subsequent numerical control milling to finish the final blisk.
Referring to fig. 4, a blade fixture 6 in the prior art is mounted on a vibration table 7, the longer the blade is, the larger the overhang of the right end is, the larger the distance between a vibration driving force action line of the vibration table 7 and a welding surface load action line of the blade before welding is, and under the same load, the larger the deformation of the right end of the blade fixture is, exceeding a certain deformation amount, the greater the influence on the linear friction welding quality is, and even the linear friction welding process cannot be adopted.
In order to realize the manufacture of the integral blade disc with long blades, the invention provides a novel welding device. Fig. 5 shows an embodiment of a welding apparatus, which comprises a base 12, a blade drive unit and a blisk drive unit. In the device, a base 12 is a disc structure with a leaf disc as a center, a plurality of blade driving units are arranged on the base 12, wherein each blade driving unit comprises a blade clamp 14 for clamping a blade and an upsetting driving mechanism (at least comprising an upsetting sliding table 10 and an upsetting oil cylinder 13), the blade clamp 14 is provided with a through hole structure for clamping the blade, the blade can penetrate through the through hole structure and is clamped in the through hole structure, and the upsetting driving mechanism is used for driving the blade clamp 14 to drive the blade to linearly move relative to the base 12. The leaf disc driving unit comprises a leaf disc clamp 15 for clamping a leaf disc and a swing driving mechanism (at least comprising a rotary table 16 and a rotary oil cylinder 20), the leaf disc clamp 15 is provided with a mounting surface for clamping the leaf disc, the leaf disc and the leaf disc clamp 15 can be coaxially mounted in the center of the base 12, and the swing driving mechanism is used for driving the leaf disc clamp 15 to drive the leaf disc to swing within a preset angle range relative to the base 12.
It should be noted that, in order to improve the welding efficiency, the number of the blade driving units arranged on the base 12 is the same as the number of the blades to be welded on the blade disc, and the friction welding may be performed synchronously after one-time clamping is completed, or may be performed sequentially one by one.
Referring to fig. 5 and 6, the upsetting driving mechanism includes an upsetting slide table 10 and an upsetting cylinder 13, the blade holder 14 is detachably mounted on the upsetting slide table 10, the upsetting cylinder 13 is mounted on the base 12, and a piston rod of the upsetting cylinder 13 is used for driving the upsetting slide table 10 to linearly slide on the base 12.
Further, a guide rail 11 is arranged between the upsetting slide 9 and the base 12, the guide rail 11 can be arranged at the bottom of the upsetting slide 9 or on the upper surface of the base 12, and then a matching slide groove can be designed on the other relative slide body, so as to form a slide rail pair. Other mechanisms that similarly enable movement may also be employed.
Specifically, the upsetting slide table 10 is provided with a mounting surface which is opposed to a position of a piston rod of the upsetting cylinder 13, and the piston rod of the upsetting cylinder 13 is in contact with the mounting surface to drive the upsetting slide table 10 to linearly slide. In practice, the piston rod of the upsetting oil cylinder 13 can be fixedly connected with the mounting surface, so that a better driving and pulling effect can be ensured.
As another embodiment, the center of the blisk clamp 15 is provided with a mounting through hole concentric with the central hole of the blisk, the disk body of the blisk clamp 15 is provided with a mounting hole, and the mounting hole of the blisk clamp 15 is used for being detachably mounted with the blisk through a threaded fastener such as a screw.
Referring to fig. 7 and 8, as another embodiment, the swing driving mechanism at least includes a rotary cylinder 20 and a cylindrical turntable 16, the cylindrical turntable 16 penetrates through the center of the disc of the base 12, the turntable 12 is connected to the bottom of the blisk fixture 15, the rotary cylinder 20 is disposed on the fixed mounting seat 19, and a piston rod of the rotary cylinder 20 is used for driving the cylindrical turntable 16 to rotate.
The base 12 and the mount 19 are the mounting bases for other components and are fixed.
Further, a bearing 18 for receiving a radial force is installed between the turntable 16 and the base 12, the turntable 16 is connected to an inner ring of the bearing 18, and the base 12 is connected to an outer ring of the bearing 18. The bearing 18 may be a rolling bearing or a hydrostatic bearing. Further, an annular spacer 17 for reducing friction may be installed between the base 12 and the end surface of the turntable 16.
As shown in fig. 8, two sides of the outer wall of the turntable 16 are provided with bosses in axial symmetry, and two rotation cylinders 20 are respectively disposed corresponding to the bosses on the two sides, and the two rotation cylinders 20 are disposed in central symmetry, and the piston rods of the rotation cylinders 20 are connected to the bosses on the corresponding sides, so that the turntable 16 can be driven to rotate around the central shaft. The platform 16 is driven by two rotation oil cylinders 20 which are arranged in central symmetry, so that the high-frequency swing of the rotary platform 16 is realized, and the rotary plate can be driven to swing along with the high-frequency swing.
In a second aspect, the present invention further provides a blisk oscillating friction welding method, using the welding apparatus of the first aspect, as shown in fig. 5, the welding method includes the following steps S110 to S140:
step S110, mounting the blade disc on the blade disc clamp 15, and mounting all the blades on the corresponding blade clamp 14, so that the blade disc is located at the center of the base 12, all the blades are radial with the blade disc as the center, and the blade welding tables are arranged corresponding to the corresponding blade disc welding tables.
And step S120, operating a blade driving unit to enable the upsetting driving mechanism to drive the blade clamp 14 to drive the blade to linearly move relative to the base 12 until the blade welding table is contacted with the blade disc welding table.
With reference to the specific embodiment of the first aspect, in this step, specifically, hydraulic oil may enter all the upsetting cylinders 13, and a piston rod of the upsetting cylinder 13 drives all the upsetting slide tables 10 to drive the blades to be welded to move linearly, so that the end surfaces of the blade welding tables of all the blades to be welded and the end surfaces of the bladed disk welding tables are in close contact.
And step S130, operating the blade disc driving mechanism to enable the swing driving mechanism to drive the blade disc clamp 15 to drive the blade disc to swing within an angle range of 1-3 degrees, wherein the frequency range of the swing is 20-70 Hz.
In the step, when hydraulic oil enters the two rotating oil cylinders 20 which are arranged in central symmetry, the rotating oil cylinders 20 can drive the rotary table 16 to swing at high frequency through the bosses on the rotary table 16, so that the high-frequency swing of the blade disc to be welded is driven, the frequency range is 20 Hz-70 Hz, and the swing angle range is 1-3 degrees.
Step S140, the blade welding table and the blade disc welding table are in friction welding, friction heat is generated on the contact surface of the blade welding table and the blade disc welding table, the contact surface material is extruded after being softened, when the contact surface material is extruded to reach a preset amount, the blade disc is rapidly stopped swinging by controlling the rotating oil cylinder 20, and the blade disc are welded into an integral blade disc structure under the action of upsetting force.
It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. For embodiments of the method, reference is made to the description of the apparatus embodiments in part. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.
The above description is only an example of the present application and is not limited to the present application. Various modifications and alterations to this application will become apparent to those skilled in the art without departing from the scope of this invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
1. A blisk swing friction welding apparatus for friction welding of blades to a blisk, comprising:
the base is of a disc structure taking a blade disc as a center, and a plurality of blade driving units are arranged on the base;
the blade driving unit comprises a blade clamp and an upsetting driving mechanism, the blade clamp is used for clamping a blade, the blade clamp is provided with a through hole structure for clamping the blade, the blade can penetrate through and be clamped in the through hole structure, and the upsetting driving mechanism is used for driving the blade clamp to drive the blade to linearly move relative to the base;
the blade disc driving unit comprises a blade disc clamp and a swinging driving mechanism, the blade disc clamp is provided with a mounting surface for clamping a blade disc, the blade disc and the blade disc clamp can be coaxially mounted at the center of the base, and the swinging driving mechanism is used for driving the blade disc clamp to drive the blade disc to swing within a preset angle range relative to the base;
the swing driving mechanism comprises a rotating oil cylinder and a columnar rotary table, the columnar rotary table penetrates through the center of a disc of the base, the rotary table is connected with the bottom of the leaf disc clamp, the rotating oil cylinder is arranged on the mounting seat, and a piston rod of the rotating oil cylinder is used for driving the columnar rotary table to rotate;
a bearing is arranged between the rotary table and the base, the rotary table is connected with an inner ring of the bearing, and the base is connected with an outer ring of the bearing; an annular gasket is arranged between the base and the end surface of the rotary table;
the rotary table is characterized in that bosses are symmetrically arranged on two sides of the outer wall of the rotary table, the rotary oil cylinders and the bosses on the two sides are correspondingly arranged respectively, the rotary oil cylinders are symmetrically arranged in the center, piston rods of the rotary oil cylinders are connected with the bosses on the corresponding sides, and therefore the rotary table can be driven to rotate around a central shaft.
2. The blisk swing friction welding device according to claim 1, wherein the upsetting driving mechanism comprises an upsetting sliding table and an upsetting oil cylinder, the blade fixture is detachably mounted on the upsetting sliding table, the upsetting oil cylinder is mounted on the base, and a piston rod of the upsetting oil cylinder is used for driving the upsetting sliding table to linearly slide on the base.
3. The blisk oscillating friction welding device according to claim 2, wherein a guide rail is arranged between the upset sliding table and the base, and the guide rail is arranged at the bottom of the upset sliding table or on the base.
4. The blisk swing friction welding device according to claim 2, wherein an installation surface is arranged on the upsetting sliding table, the installation surface is opposite to the position of the piston rod of the upsetting oil cylinder, and the piston rod of the upsetting oil cylinder is connected with the installation surface to drive the upsetting sliding table to linearly slide back and forth.
5. The blisk oscillating friction welding device according to claim 1, wherein a mounting through hole concentric with the blisk center hole is formed in the center of the blisk fixture, and a mounting hole is formed in a body of the blisk fixture and is used for being detachably mounted with the blisk.
6. Blisk oscillating friction welding apparatus as claimed in any one of claims 1 to 5, wherein the number of blade drive units is the same as the number of blades.
7. A blisk oscillating friction welding method, using the apparatus of any one of claims 1-6, characterized in that said welding method comprises:
installing a blade disc on the blade disc clamp, installing all blades on the corresponding blade clamp, enabling the blade disc to be positioned at the center of the base, enabling all the blades to form a radial shape by taking the blade disc as the center, and enabling the blade welding tables to be arranged corresponding to the corresponding blade disc welding tables;
operating a blade driving unit to enable the upsetting driving mechanism to drive the blade clamp to drive the blade to move linearly relative to the base until the blade welding table is contacted with the blade disc welding table;
operating a blade disc driving mechanism to enable the swing driving mechanism to drive the blade disc clamp to drive the blade disc to swing within an angle range of 1-3 degrees, wherein the frequency range of the swing is 20-70 Hz;
the blade welding table and the blade disc welding table are in friction welding, friction heat is generated on the contact surface of the blade welding table and the blade disc welding table, the contact surface material is extruded after being softened, the blade disc is enabled to stop swinging rapidly after the contact surface material is extruded to reach a preset amount, and the blade is welded with the blade disc under the action of upsetting force to form an integral blade disc structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811306971.3A CN109262132B (en) | 2018-11-05 | 2018-11-05 | Blisk swing friction welding device and method |
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| CN201811306971.3A CN109262132B (en) | 2018-11-05 | 2018-11-05 | Blisk swing friction welding device and method |
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| CN109262132A CN109262132A (en) | 2019-01-25 |
| CN109262132B true CN109262132B (en) | 2020-08-04 |
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| CN112846481B (en) * | 2021-01-11 | 2022-08-09 | 中国航空制造技术研究院 | Welding equipment and method for multi-fin structure product |
| CN113857646B (en) * | 2021-10-27 | 2022-09-20 | 中国航空制造技术研究院 | Fixing method of part to be welded suitable for linear friction welding |
| CN114700599B (en) * | 2022-05-18 | 2023-02-28 | 中国航空制造技术研究院 | Blade based on discharge plasma diffusion welding |
| CN114985897B (en) * | 2022-07-06 | 2024-01-26 | 中国航空制造技术研究院 | Leaf disc welding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB9309822D0 (en) * | 1993-05-13 | 1993-06-23 | Allwood Searle & Timney | Improvements relating to friction welding |
| CN103551729B (en) * | 2013-11-05 | 2015-07-15 | 黄山学院 | Linear friction welding device for manufacturing integral impeller |
| CN104551380B (en) * | 2014-12-23 | 2017-11-14 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of blisk and its manufacture method |
| CN108381092B (en) * | 2018-04-09 | 2023-09-29 | 浙江马尔风机有限公司 | Welding jig for fan impeller chassis and blades |
| CN108705252A (en) * | 2018-08-17 | 2018-10-26 | 常州信息职业技术学院 | A kind of fixture of auxiliary impeller welding |
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