CN112192016A - Multifunctional composite dynamic gantry stirring friction welding equipment - Google Patents
Multifunctional composite dynamic gantry stirring friction welding equipment Download PDFInfo
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- CN112192016A CN112192016A CN202011126563.7A CN202011126563A CN112192016A CN 112192016 A CN112192016 A CN 112192016A CN 202011126563 A CN202011126563 A CN 202011126563A CN 112192016 A CN112192016 A CN 112192016A
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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
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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
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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
- B23K20/24—Preliminary treatment
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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
- B23K20/26—Auxiliary equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a multifunctional composite dynamic gantry friction stir welding device, which belongs to the technical field of machine tool equipment and comprises a machine head, wherein a friction stir welding tool is arranged on the machine head, and a welding pressing system and a welding seam flash milling system are also arranged on the machine head; the follow-up welding pressing system comprises a first follow-up pressing roller device positioned in front of the friction stir welding tool and a second follow-up pressing roller device positioned behind the friction stir welding tool; the weld joint flash milling system comprises a milling cutter positioned behind the second follow-up press roller device and a milling driving device connected with the milling cutter. The invention realizes the on-line leveling, polishing and grinding of the workpiece before and after welding, and improves the welding quality and the welding production efficiency.
Description
Technical Field
The invention belongs to the technical field of machine tool equipment, and relates to multifunctional composite dynamic gantry friction stir welding equipment.
Background
Friction stir welding is the most attractive welding method since the advent of laser welding. The appearance of the aluminum alloy connecting device can greatly change the connecting technology of nonferrous metals such as aluminum alloy and the like. The friction stir welding method has good welding effect on the aluminum alloy. Friction stir welding has now reached the level of large-scale, industrialized application in many fields such as shipbuilding, rail vehicles, aerospace manufacturing, automotive industry, aerospace industry, and the like. Accordingly, higher demands are also placed on friction stir welding equipment. The movable gantry stirring friction equipment with high welding speed, large stroke and multi-dimensional curved surface welding is produced at the same time.
However, the existing friction stir welding equipment lacks the functions of workpiece leveling, seam part tracking and flash processing after welding before and after welding, has single function and low production efficiency, is difficult to ensure the quality of the welding seam, and is easy to cause the problem of welding seam deflection when the welding seam is long.
Disclosure of Invention
In view of this, the present application aims to provide a multifunctional composite dynamic gantry friction stir welding device to improve welding quality and welding production efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
the multifunctional composite dynamic gantry friction stir welding equipment comprises a machine head, wherein a friction stir welding tool is arranged on the machine head, and a follow-up welding pressing system is also arranged on the machine head; the follow-up welding pressing system comprises a first follow-up pressing roller device positioned in front of the friction stir welding tool and a second follow-up pressing roller device positioned behind the friction stir welding tool.
Optionally, the welding seam flash milling system comprises a milling cutter positioned behind the second follow-up pressing roller device and a milling driving device connected with the milling cutter.
Optionally, the weld flash milling system further comprises a chip protection cover for preventing the chips of the milling cutter from splashing.
Optionally, the friction stir welding system further comprises a laser weld tracking system, wherein the laser weld tracking system comprises a laser weld scanning sensor located between the first follow-up press roll device and the friction stir welding tool, and the laser weld scanning sensor is fixed on the machine head and installed towards the friction stir welding tool.
Optionally, the laser weld tracking system is coupled to a head control system that controls the head to move to a predetermined trajectory when the friction stir welding tool deviates from the predetermined trajectory.
Optionally, the laser welding seam tracking system is connected with an abnormality alarm unit, the abnormality alarm unit is used for alarming abnormality in the welding process including a workpiece assembly gap value and a misalignment amount, and the abnormality alarm unit is connected with an operation platform of the machine head control system.
Optionally, the system further comprises a video monitoring system, wherein the video monitoring system comprises a camera positioned behind the friction stir welding tool, and the camera is fixed on the machine head and installed towards the friction stir welding tool.
Optionally, the camera is a camera with an anti-shake function.
Optionally, the video monitoring system is connected with the machine head control system, the video monitoring system feeds back the press-in amount and the flash of the friction stir welding tool recorded by the camera to the machine head control system, and the machine head control system adjusts the motion of the friction stir welding tool according to the press-in amount and the flash of the friction stir welding tool fed back by the video monitoring system.
Optionally, the first follow-up roller device comprises a first roller device body and a first lifting driving device connected with the first roller device body, and the first lifting driving device is fixed on the machine head; the first compression roller device body comprises a first connecting rod in an L shape, one end of the first connecting rod is connected with the output end of the first lifting driving device, and the other end of the first connecting rod is rotatably connected with a first compression roller.
Optionally, the second follow-up roller device comprises a second roller device body and a second lifting driving device connected with the second roller device body, and the second lifting driving device is fixed on the machine head; the second compression roller device body comprises a second connecting rod, one end of the second connecting rod is connected with the output end of the second lifting driving device, and the other end of the second connecting rod is rotatably connected with a second compression roller.
The invention has the beneficial effects that:
1. according to the invention, the first follow-up press roll device is arranged in front of the friction stir welding tool, so that the dynamic compaction and leveling of the workpiece are realized; the second follow-up press roller device is arranged behind the friction stir welding tool, so that the parts can be prevented from warping and deforming after being welded; in addition, the second follow-up press roller device can also assist the weld joint flash milling system in polishing the weld joint.
2. According to the invention, the welding seam flash milling system is arranged, so that the online processing of the flash is realized, the later manual cleaning of the flash is avoided, the production efficiency is improved, the production cost is reduced, and the workpiece quality is also improved.
3. By arranging the video monitoring system connected with the machine head control system, the invention not only can monitor the assembly gap value and the misalignment amount of the workpiece in real time in the welding process, but also realizes automatic correction of welding and improves the welding quality.
4. According to the invention, the laser welding seam tracking system connected with the machine head control system is arranged, so that the working condition of a welding area can be timely known, the timely adjustment of a welding path according to the state of a welding seam is realized, the closed-loop control of a friction stir welding tool is realized, and the welding quality is further improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a first structural schematic diagram of the multifunctional composite dynamic gantry friction stir welding equipment of the present invention;
FIG. 2 is a schematic structural diagram II of the multifunctional composite dynamic gantry friction stir welding device of the present invention;
fig. 3 is a partially enlarged view of a portion a of fig. 2.
Reference numerals: the device comprises a machine head 1, a camera 2, a friction stir welding tool 3, a first lifting driving device 4, a first mounting frame 5, a first connecting rod 6, a first pressing roller 7, a laser welding seam scanning sensor 8, a second connecting rod 9, a second pressing roller 10, a second lifting driving device 11, a chip protection cover 12, a milling cutter 13 and a milling driving device 14.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, the multifunctional composite dynamic gantry friction stir welding device comprises a machine head 1, wherein the machine head 1 is provided with a main shaft along the vertical direction, and the lower end of the main shaft is detachably connected with a friction stir welding tool 3; the machine head 1 is also provided with a welding following compaction system; the follow-up welding pressing system includes a first follow-up pressing roller device located in front of the friction stir welding tool 3 and a second follow-up pressing roller device located behind the friction stir welding tool 3.
The first follow-up press roll device comprises a first mounting frame 5, a first press roll device body and a first lifting driving device 4 connected with the first press roll device body; the first mounting frame 5 is positioned in front of the friction stir welding tool 3, and the upper end of the first mounting frame is fixed on the machine head 1; the first lifting driving device 4 is a cylinder, and the first lifting driving device 4 is fixed on the front side of the first mounting frame 5; the first compression roller device body can move up and down along a first slide rail vertically arranged on the first mounting rack 5 under the action of the first lifting driving device 4; first compression roller device body is connected with first lift drive 4's output including the first connecting rod 6 that is the L type, the one end of first connecting rod 6, and the other end is located 5 below of first mounting bracket and extends towards friction stir welding instrument 3, and the tip rotates and is connected with first compression roller 7, and first compression roller 7 is the gyro wheel.
The second follow-up press roll device comprises a second mounting frame, a second press roll device body and a second lifting driving device 11 connected with the second press roll device body; the second mounting rack is positioned behind the friction stir welding tool 3, and the upper end of the second mounting rack is fixed on the machine head 1; the second lifting driving device 11 is a cylinder, and the second lifting driving device 11 is fixed in front of the second mounting rack; the second compression roller device body can move up and down along a second slide rail vertically arranged on the second mounting rack under the action of the second lifting driving device 11; the second compression roller device body comprises a second connecting rod 9, one end of the second connecting rod 9 is connected with the output end of a second lifting driving device 11, the other end of the second connecting rod 9 is rotatably connected with a second compression roller 10, and the second compression roller 10 is a roller.
According to the invention, the first follow-up press roll device is arranged in front of the friction stir welding tool, so that the dynamic compaction and leveling of the workpiece are realized; through set up second follow-up compression roller device in friction stir welding instrument rear, can prevent part welding back warpage.
In order to realize the online processing of the welded workpiece flashes and avoid the manual cleaning of the flashes in the later period, the invention is also provided with a weld flash milling system, wherein the weld flash milling system comprises a third mounting frame, a milling cutter 13 positioned behind the second follow-up press roll device and a milling driving device 14 connected with the milling cutter 13; the third mounting bracket is located the rear side of second mounting bracket and rather than fixed connection, it is the high-speed accurate motor of forced air cooling to mill drive arrangement 14, it fixes the upper portion at the third mounting bracket to mill drive arrangement 14, the sub-unit connection of third mounting bracket has smear metal protection casing 12 that is used for preventing the milling cutter smear metal to splash, smear metal protection casing 12 is including the baffle that is located milling cutter 13 both sides, two baffles pass through the cover connection, the upper end fixed connection of apron and two baffles, it dodges the groove to be equipped with milling cutter on the apron, milling cutter dodges the U type groove of groove for opening towards the rear, the lower extreme of two baffles is equipped with has elastic brush, in order to avoid the scratch work piece, can laminate with the.
In order to monitor the assembly gap value and the misalignment amount of the workpiece in real time in the welding process, the invention is provided with a laser welding seam tracking system, the laser welding seam tracking system comprises a laser welding seam scanning sensor 8 positioned between a first follow-up press roll device and the friction stir welding tool 3, and the laser welding seam scanning sensor 8 is fixed on the rear side of the first mounting frame 5 and is installed towards the friction stir welding tool 3.
In order to realize automatic correction of welding, the laser welding seam tracking system is connected with the machine head control system, and when the friction stir welding tool 3 deviates from a preset track (a central line of a welding seam joint), the machine head control system controls the machine head 1 to move to the preset track.
The laser welding seam tracking system can detect the welding seam position in real time according to the welding seam characteristics, can monitor the position of the welding seam center in real time, and then adjusts the position of the friction stir welding tool relative to the welding seam center through the machine head control system, so that the requirement of welding seam centering +/-0.5 mm (or deviation distance) is met.
The laser welding seam tracking system is also connected with an abnormity alarm unit, the abnormity alarm unit is used for alarming abnormity including workpiece assembly gap values and misalignment in the welding process, and the abnormity alarm unit is connected with an operation platform of the machine head control system.
In order to timely know the working condition of a welding area and observe the phenomena of the press-in amount, the flash and the like of the friction stir welding tool, the friction stir welding tool is further provided with a video monitoring system, the video monitoring system comprises a camera 2 positioned behind the friction stir welding tool 3, the camera 2 is a camera with an anti-shake function, and the camera 2 is fixed on the machine head 1 and installed towards the friction stir welding tool 3.
In order to realize the closed-loop control of the friction stir welding tool 3 and ensure the quality of long-distance welding seams, the video monitoring system is connected with the machine head control system, the video monitoring system feeds back the press-in amount and the flash of the friction stir welding tool recorded by the camera 2 to the machine head control system, and the machine head control system adjusts the motion of the friction stir welding tool in due time according to the feedback of the video monitoring system, including the press-in amount and the flash of the friction stir welding tool and the motion parameters of the friction stir welding tool 3, including the welding rotating speed and the welding feeding amount, so as to ensure the quality of the welding seams.
Examples
The multifunctional composite dynamic gantry friction stir welding equipment comprises a machine head 1, wherein a main shaft is arranged in the machine head 1 along the vertical direction, a friction stir welding tool 3 is detachably connected to the lower end of the main shaft, and the friction stir welding tool 3 is a stirring head; the machine head 1 is also provided with a welding pressing system, a welding seam flash milling system, a laser welding seam tracking system and a video monitoring system.
Specifically, the method comprises the following steps:
the system is compressed along with welding: the follow-up press roll device is arranged in front of the friction stir welding tool 3 and is mainly used for dynamically pressing and leveling workpieces in the welding process, and the other follow-up press roll device is arranged behind the friction stir welding tool 3 and can prevent the parts from warping and deforming after welding and assist a weld joint flash milling system in polishing weld joints.
Laser seam tracking system: the automatic adjustment device is composed of a control box and a laser welding seam scanning sensor 8, wherein the laser welding seam scanning sensor 8 is integrated with a laser generator and a light reflection sensor, is arranged between a first pressing roller 7 and a friction stir welding tool 3, can effectively scan the joint of the aluminum alloy welding seam, and when the central line of the joint deviates from the X-direction movement track, the machine head 1 can be automatically adjusted along the Y direction.
The detection width of the laser welding seam scanning sensor 8 is more than or equal to 25mm, and the tracking adjustment precision is +/-0.025 mm. The average resolution in the depth and width directions is not less than 0.02 mm.
The laser welding seam tracking system is connected with an abnormity alarm unit, the abnormity alarm unit is used for alarming abnormity in the welding process, and the abnormity alarm unit is connected with an operation platform of the machine head control system.
The laser welding seam tracking system can ensure that the butt welding seam can accurately scan and track the welding seam when the gap of the butt welding seam is 0.1 mm. The laser welding seam scanning sensor 8 can monitor the assembly gap value and the misalignment amount of the workpiece in real time in the welding process, and alarm when the assembly gap value and the misalignment amount exceed specified values, and the limit gap value and the misalignment amount can be set manually.
Weld joint flash mills system: the straight shank end milling cutter 13 is directly driven by the air-cooled high-speed precision motor spindle to mill the welded flash, so that the flash is prevented from being manually cleaned in the later period.
The video monitoring system comprises: and tracking and recording the welding process, feeding back the press-in amount and the flash of the friction stir welding tool recorded by the camera 2 to the machine head control system, and timely adjusting the motion of the friction stir welding tool by the machine head control system according to the press-in amount and the flash of the friction stir welding tool fed back by the video monitoring system. An operator can clearly know the working condition of the welding area in the operation platform area, and the real-time monitoring and control of the equipment state can be realized. The video monitoring system consists of an industrial monitor, a video conversion box and a camera 2. The camera 2 can automatically focus, has an anti-shake function and has the resolution ratio not less than 420 lines; the image display adopts a 15-inch industrial monitor. The camera 2 is located behind the friction stir welding tool 3 in the welding direction, and is used for observing the press-in amount and the flash of the friction stir welding tool.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. Multifunctional combined movable gantry friction stir welding equipment comprises a machine head, wherein a friction stir welding tool is arranged on the machine head, and the multifunctional combined movable gantry friction stir welding equipment is characterized in that: the machine head is also provided with a welding following compaction system; the follow-up welding pressing system comprises a first follow-up pressing roller device positioned in front of the friction stir welding tool and a second follow-up pressing roller device positioned behind the friction stir welding tool.
2. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 1, wherein: the welding seam flash milling system comprises a milling cutter positioned behind the second follow-up pressing roller device and a milling driving device connected with the milling cutter.
3. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 2, wherein: the weld flash milling system further comprises a chip protection cover for preventing the chips of the milling cutter from splashing.
4. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 1, wherein: the laser welding seam tracking system comprises a laser welding seam scanning sensor positioned between the first follow-up pressing roller device and the friction stir welding tool, and the laser welding seam scanning sensor is fixed on the machine head and installed towards the friction stir welding tool.
5. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 4, wherein: the laser welding seam tracking system is connected with the machine head control system, and when the friction stir welding tool deviates from a preset track, the machine head control system controls the machine head to move to the preset track.
6. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 5, wherein: the laser welding seam tracking system is connected with an abnormity alarm unit, the abnormity alarm unit is used for alarming abnormity including workpiece assembly gap values and misalignment in the welding process, and the abnormity alarm unit is connected with an operation platform of the machine head control system.
7. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 1, wherein: still include video monitor system, video monitor system is including being located the camera in friction stir welding instrument rear, and the camera is fixed on the aircraft nose and towards the installation of friction stir welding instrument.
8. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 7, wherein: the video monitoring system is connected with the machine head control system, the video monitoring system feeds back the press-in amount and the flash of the friction stir welding tool recorded by the camera to the machine head control system, and the machine head control system adjusts the motion of the friction stir welding tool in due time according to the press-in amount and the flash of the friction stir welding tool fed back by the video monitoring system.
9. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 1, wherein: the first follow-up press roll device comprises a first press roll device body and a first lifting driving device connected with the first press roll device body, and the first lifting driving device is fixed on the machine head; the first compression roller device body comprises a first connecting rod in an L shape, one end of the first connecting rod is connected with the output end of the first lifting driving device, and the other end of the first connecting rod is rotatably connected with a first compression roller.
10. The multi-functional compound dynamic gantry friction stir welding apparatus of claim 1, wherein: the second follow-up press roll device comprises a second press roll device body and a second lifting driving device connected with the second press roll device body, and the second lifting driving device is fixed on the machine head; the second compression roller device body comprises a second connecting rod, one end of the second connecting rod is connected with the output end of the second lifting driving device, and the other end of the second connecting rod is rotatably connected with a second compression roller.
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| CN202011126563.7A CN112192016A (en) | 2020-10-20 | 2020-10-20 | Multifunctional composite dynamic gantry stirring friction welding equipment |
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| CN112935524A (en) * | 2021-03-23 | 2021-06-11 | 蓝箭航天空间科技股份有限公司 | Welding method for friction stir welding device of storage tank of spacecraft |
| CN113182663A (en) * | 2021-03-26 | 2021-07-30 | 中车青岛四方机车车辆股份有限公司 | Welding head device and welding equipment |
| CN113909670A (en) * | 2021-10-27 | 2022-01-11 | 中铝萨帕特种铝材（重庆）有限公司 | Self-cleaning friction stir welding tool combination |
| CN114603246A (en) * | 2022-04-08 | 2022-06-10 | 福建省南平铝业股份有限公司 | Magnesium-aluminum dissimilar alloy welding device and method |
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| CN112935524A (en) * | 2021-03-23 | 2021-06-11 | 蓝箭航天空间科技股份有限公司 | Welding method for friction stir welding device of storage tank of spacecraft |
| CN113182663A (en) * | 2021-03-26 | 2021-07-30 | 中车青岛四方机车车辆股份有限公司 | Welding head device and welding equipment |
| CN113182663B (en) * | 2021-03-26 | 2022-07-08 | 中车青岛四方机车车辆股份有限公司 | Welding head device and welding equipment |
| CN113909670A (en) * | 2021-10-27 | 2022-01-11 | 中铝萨帕特种铝材（重庆）有限公司 | Self-cleaning friction stir welding tool combination |
| CN114603246A (en) * | 2022-04-08 | 2022-06-10 | 福建省南平铝业股份有限公司 | Magnesium-aluminum dissimilar alloy welding device and method |
| CN114918526A (en) * | 2022-06-13 | 2022-08-19 | 航天工程装备（苏州）有限公司 | Numerical control machine tool welding track correction system and method based on line laser scanning |
| CN114905137A (en) * | 2022-06-17 | 2022-08-16 | 中车长春轨道客车股份有限公司 | Device based on friction stir welding process of motor train unit side wall plate |
| CN114905137B (en) * | 2022-06-17 | 2024-04-30 | 中车长春轨道客车股份有限公司 | Device based on EMUs side wall board friction stir welding technology |
| CN115415661A (en) * | 2022-09-06 | 2022-12-02 | 宁夏宏源长城机床有限公司 | Clamp device for friction welding machining of drill rod connecting piece |
| CN115415661B (en) * | 2022-09-06 | 2024-05-17 | 宁夏宏源长城机床有限公司 | Clamp device for friction welding of drill rod connecting piece |
| CN115464253A (en) * | 2022-11-15 | 2022-12-13 | 青云工业(辽宁)有限公司 | Friction stir welding device for hollow cylinder |
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| CN117773310B (en) * | 2024-02-26 | 2024-05-17 | 北京赛福斯特技术有限公司 | Aluminum alloy ribbed wallboard space curve friction stir welding track tracking control system |
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