CN115747463A - Combined flexible heat treatment charging basket for large-curvature sheet skin - Google Patents
Combined flexible heat treatment charging basket for large-curvature sheet skin Download PDFInfo
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- CN115747463A CN115747463A CN202211431713.4A CN202211431713A CN115747463A CN 115747463 A CN115747463 A CN 115747463A CN 202211431713 A CN202211431713 A CN 202211431713A CN 115747463 A CN115747463 A CN 115747463A
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- sliding block
- semicircular
- basket
- movable clamping
- charging basket
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention provides a combined flexible heat treatment charging basket for a large-curvature sheet skin, and belongs to the field of flexible clamping for heat treatment of aviation large-curvature sheet skins. The invention is composed of a semicircular basket, a sliding block and a movable clamping upright post, wherein the semicircular basket is formed by arranging 3 stainless steel supporting beams between an upper semicircular beam and a lower semicircular beam to form a semicircular column frame, the upper semicircular beam and the lower semicircular beam are symmetrically connected with the upper sliding block and the lower sliding block, the movable clamping upright post is arranged between the upper sliding block and the lower sliding block which are symmetrically arranged, a plurality of lug pieces are arranged on the movable clamping upright post, the flexible clamping of the charging basket along with the appearance size of a large-curvature sheet skin is realized by adjusting the angles of the upper sliding block and the lower sliding block and rotating the movable clamping upright post, and meanwhile, the two semicircular baskets can be combined into a cylindrical charging basket for use. According to the invention, the efficiency clamping of the sheet skin with various curvatures can be completed by simple operation through flexible adjustment of the charging basket, the clamping time is reduced, the labor intensity is reduced, the production efficiency is improved, and the product quality is improved.
Description
Technical Field
The invention belongs to the field of flexible clamping of aviation large-curvature sheet skin heat treatment, and relates to a combined flexible heat treatment charging basket for large-curvature sheet skins.
Background
At present, a large number of thin plate skins with large curvature need to be subjected to heat treatment in the aircraft manufacturing industry, the parts have large curvature, thin thickness and various overall dimensions, and the skins are flatly laid in a cubic heat treatment charging basket in conventional production and then are subjected to auxiliary fixing by using aluminum wires.
The conventional production method causes the following problems:
(1) The large-curvature sheet skin is clamped according to a flat-laying mode, an operator is required to tie the skin by using the aluminum wires, the skin is poor in fitting degree with the heat treatment charging basket in the cubic form due to the fact that the curvature of the skin is large, the operator is required to use the aluminum wires for auxiliary fixation, and clamping efficiency is low.
(2) After the large-curvature sheet skin is subjected to heat treatment, the skin has large deformation, manual finishing is needed, and the hardness of the skin after the heat treatment is increased, so that the deformation finishing increases the labor intensity of operators, and the production efficiency is influenced.
(3) The large-curvature sheet skin is mostly an airplane fuselage structural member, the quality requirement is high, the deformation of the clamping skin is large according to a conventional mode, the large-curvature sheet skin is extremely difficult to deform and repair through heat treatment, the quality problems of scratch of the surface of a part, out-of-tolerance of curvature and the like easily occur during repeated repair, the skin can be seriously scrapped, and the product quality and the production progress are influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the combined flexible heat treatment charging basket for the large-curvature sheet skin, which can realize the efficient clamping of various curvature sheet skins by simple operation through the flexible adjustment of the charging basket, reduce the clamping time, lighten the labor intensity, improve the production efficiency and improve the product quality.
In order to achieve the purpose, the invention adopts the technical scheme that:
a combined flexible heat treatment charging basket for a large-curvature sheet skin comprises a semicircular basket 1, a sliding block 2 and a movable clamping upright post 3. (see FIG. 1)
The semi-circular basket 1 is of a frame structure integrally in a semi-cylinder shape, the upper part and the lower part of the frame structure are semi-circular cross beams (see figure 2), 3 fixed stand column supports are arranged between the upper semi-circular cross beam and the lower semi-circular cross beam, 3 stainless steel supporting beams are welded in the upper semi-circular cross beam and the lower semi-circular cross beam respectively, the 3 supporting beams are uniformly distributed along the circumference by taking the circle center of the semi-circular cross beam as a starting point, so that the included angles between the adjacent supporting beams and between the supporting beams and the semi-circular cross beams are 45 degrees, and a structure close to a triangle is formed respectively to ensure the stability of the integral structure of the charging basket and the small deformation of a charging basket bearing part after heat treatment; holes are respectively formed in the symmetrical positions of the upper semicircular beam and the lower semicircular beam of the semicircular basket 1 along the axial direction (see figure 3), and the holes are positioned at the chord heights 1/7 and 4/7 of the semicircular beams and are symmetrical left and right (see figure 4); the two semicircular baskets 1 are connected with the upper semicircular beam and the lower semicircular beam through the U-shaped connecting sheets, so that the semicircular baskets 1 are combined into a cylindrical charging basket to be used, and the production efficiency is improved (see figure 10).
Remove 3 both ends of centre gripping stand and weld circular separation blade respectively, circular separation blade diameter is greater than 2 slide sizes of slider, is less than 2 cavity width sizes of slider, and removes 3 external diameters of centre gripping stand and is less than 2 slide sizes of slider, removes 3 both ends of centre gripping stand and sets up the screw thread with the adjacent position of circular separation blade to nut installation moves and sets up a plurality of clamping auricles along the all directions on the centre gripping stand 3, and is 90 contained angles between the adjacent clamping auricles. (see FIG. 7)
The removal centre gripping stand 3 establish a plurality of, every opening end cunning through a set of upper and lower slider of symmetry moves in slider 2 to can remove in the slide, simultaneously because remove 3 ends of centre gripping stand and be circular separation blade, remove centre gripping stand 3 and can be around self stand 360 rotations, through the nut of screwing removal centre gripping stand 3 both ends, the fixed position that removes centre gripping stand 3. (see FIG. 8)
Further, the semicircular basket 1, the sliding block 2 and the movable clamping upright post 3 are made of stainless steel materials.
When an operator clamps the large-curvature sheet skin, the lug at the chord height vertex of the skin is connected to the fixed upright post in the middle of the semicircular basket 1 by using an aluminum wire, the upper and lower sliding blocks 2 are adjusted to proper angles according to the curvature and the size of the large-curvature sheet skin, the moving range of the moving clamping upright post 3 covers the upper surface and the side lug positions of the large-curvature sheet skin, the sliding blocks 2 are locked on the semicircular cross beam, the clamping upright post 3 is moved and rotationally moved, the clamping lug on the moving clamping upright post 3 is close to or coincident with the upper surface and the side lug positions of the large-curvature sheet skin, nuts at two ends of the clamping upright post 3 are screwed and moved to fix the positions of the clamping upright post 3, the aluminum wire is connected with the skin lug on the clamping upright post 3, the flexible adjustment of the basket along with the overall dimension of the large-curvature sheet skin is realized, and the shape following clamping of the large-curvature sheet skin is realized (see fig. 9).
The invention has the beneficial effects that:
(1) the sliding block and the movable clamping upright post rotate for 360 degrees, and the position of the movable clamping upright post is adjustable, so that the follow-up clamping of the large-curvature sheet skin is realized, the time for an operator to clamp the large-curvature sheet skin is shortened, and the production efficiency is improved.
(2) According to the invention, the sliding block and the movable clamping upright post rotate for 360 degrees, and the position of the movable clamping upright post is adjustable, so that flexible clamping of skins with various curvature sizes is realized, the application range of the charging basket is wide, and the specialization level of operators is effectively improved.
(3) The invention is integrally made of stainless steel materials, has low production cost and small deformation of the charging basket due to heat treatment, and reduces the repair frequency of the charging basket.
(4) The invention can be combined or decomposed for use according to the condition of the produced parts, is suitable for the production mode of aviation parts with small batch and multiple frequency, and has simple installation and operation.
(5) The invention fully utilizes the fixed stand column and the movable clamping stand column to realize the shape following clamping of the large-curvature sheet skin, effectively reduces the heat treatment deformation of the large-curvature sheet skin, reduces the skin heat treatment finishing difficulty, reduces the quality hidden troubles of skin surface scratch, curvature out-of-tolerance and the like caused by multiple finishing, and effectively improves the product quality.
Drawings
Fig. 1 is a schematic view of the overall structure of a charging basket.
Fig. 2 is a schematic view of a semicircular basket structure.
FIG. 3 is a schematic diagram of the hole positions of the upper and lower semicircular beams.
FIG. 4 is a schematic view of the hole site of the semicircular beam.
Fig. 5 is a schematic view of a slider structure.
FIG. 6 is a schematic view of the connection of the slider and the semicircular cross beam.
Fig. 7 is a schematic structural view of the movable clamping column.
FIG. 8 is a schematic view of the connection of the movable clamping column and the slide block.
FIG. 9 is a schematic view of the clamping of the large-curvature skin.
Fig. 10 is a schematic view of a basket assembly.
In the figure: 1, a semicircular basket; 2, a sliding block; 3 moving the clamping column.
Detailed Description
The present invention is further illustrated by the following specific examples.
Examples
A combined flexible heat treatment charging basket for a large-curvature thin plate skin comprises a semicircular basket 1, a sliding block 2 and a movable clamping upright post 3, and is shown in figure 1.
The semicircular basket 1 is of an integral semicircular frame structure and is made of stainless steel materials, semicircular cross beams are arranged above and below the semicircular frame structure, as shown in figure 2, 3 fixed stand column supports are arranged between the upper semicircular cross beam and the lower semicircular cross beam, 3 stainless steel supporting beams are welded in the upper semicircular cross beam and the lower semicircular cross beam respectively, the 3 supporting beams are uniformly distributed along the circumference by taking the circle center of the semicircular cross beam as a starting point, so that the included angles between the adjacent supporting beams and the semicircular cross beams are 45 degrees, and a structure close to a triangle is formed respectively, so that the stability of the integral structure of the charging basket and the small deformation of a charging basket bearing part after heat treatment are ensured; the semicircular baskets 1 are respectively provided with holes along the axial direction at the symmetrical positions of the upper semicircular beam and the lower semicircular beam, the holes are positioned at the 1/7 and 4/7 of the chord height of the semicircular beams as shown in figure 3 and are symmetrical left and right, and as shown in figure 4, the two semicircular baskets 1 are respectively connected with the upper semicircular beam and the lower semicircular beam by using U-shaped connecting sheets and are combined into a cylindrical charging basket for use as shown in figure 10.
The slider 2 is the cuboid structure, adopt stainless steel material preparation, it divide into slider and lower slider, slider 2 is inside to be divided into upper and lower two-layer, every layer cavity, and at slider lower surface and lower slider upper surface central line position fluting, set up the slide, 2 one end openings of slider, the other end is sealed, respectively at slider upper strata and the even trompil of lower slider lower floor lateral wall, in order to reduce the thermal treatment deformation of slider 2 structure, as shown in fig. 5, slider upper surface central point puts the trompil in the upper strata, a plurality of sliders pass through the bolt and install respectively in semicircular cross beam trompil position on semicircular basket 1, slider 2 can wind 360 rotations of bolt down at lower floor, the slider and the lower slider of installing on upper and lower semicircular cross beam symmetry hole are a set of, the two is towards same one side, as shown in fig. 6.
Remove centre gripping stand 3 and adopt stainless steel material preparation, circular separation blade is welded respectively at its both ends, and circular separation blade diameter is greater than 2 slide sizes of slider, is less than 2 cavity width sizes of slider, and removes 3 external diameters of centre gripping stand and is less than 2 slide sizes of slider, removes 3 both ends of centre gripping stand and sets up the screw thread with the adjacent position of circular separation blade to the mounting nut, remove and set up a plurality of clamping auricles along each direction on the centre gripping stand 3, and be 90 contained angles between the adjacent auricle, as shown in figure 7.
The movable clamping upright post 3 is provided with a plurality of upper and lower sliding blocks, each sliding block 2 can move in the slide way through the opening ends of the upper and lower sliding blocks, meanwhile, the movable clamping upright post 3 can rotate 360 degrees around the upright post, and the position of the movable clamping upright post 3 is fixed by screwing the nuts at the two ends of the movable clamping upright post 3, as shown in fig. 8.
The use method of the charging basket is described by taking a C919 airplane vertical tail leading edge wall plate as an example, the vertical tail leading edge wall plate is a large-curvature sheet skin, the size of the vertical tail leading edge wall plate is 1900mm multiplied by 1480mm, the chord height of the vertical tail leading edge wall plate is 240mm, and the upper end face, the lower end face and the two side end faces of the vertical tail leading edge wall plate are respectively provided with a clamping lug.
Connecting lug plates at the chord height vertex of the vertical tail front edge wall plate to a fixed upright post positioned in the middle of a semicircular basket 1 by using aluminum wires, adjusting an upper sliding block 2 and a lower sliding block 2 to proper angles according to the curvature and the size of the vertical tail front edge wall plate, enabling the moving range of a moving clamping upright post 3 to cover the upper surface of the vertical tail front edge wall plate and the positions of lateral lug plates, locking the sliding blocks 2 on a semicircular cross beam, moving and rotationally moving the clamping upright post 3 to enable the positions of clamping lug plates on the moving clamping upright post 3 to be close to or coincident with the positions of the upper surface of the vertical tail front edge wall plate and the lateral lug plates, screwing nuts at two ends of the moving clamping upright post 3 to fix the positions of the clamping upright post 3, connecting the clamping lug plates on the moving clamping upright post 3 with the lug plates on the vertical tail front edge wall plate by using the aluminum wires, realizing the flexible adjustment of the charging basket along with the shape and size of the vertical tail front edge wall plate, and realizing the shape-following clamping of the vertical tail front edge wall plate.
The above-mentioned embodiments only represent the embodiments of the present invention, but they should not be understood as the limitation of the scope of the present invention, and it should be noted that those skilled in the art can make several variations and modifications without departing from the spirit of the present invention, and these all fall into the protection scope of the present invention.
Claims (3)
1. The combined flexible heat treatment charging basket for the large-curvature sheet skin is characterized by comprising a semicircular basket (1), a sliding block (2) and a movable clamping upright column (3); wherein, the two semicircular baskets (1) are combined into a cylindrical charging basket for use by connecting an upper semicircular beam and a lower semicircular beam;
the semi-circular basket (1) is of a framework structure integrally in a semi-cylinder shape, the upper part and the lower part of the framework structure are semi-circular cross beams, 3 fixed stand column supports are arranged between the upper semi-circular cross beam and the lower semi-circular cross beam, 3 stainless steel supporting beams are respectively arranged in the upper semi-circular cross beam and the lower semi-circular cross beam, the 3 supporting beams take the circle center of the semi-circular cross beam as a starting point and are uniformly distributed along the circumference so as to ensure the stable integral structure of the charging basket and small self deformation of a charging basket bearing part after heat treatment; the semicircular basket (1) is provided with holes along the axial direction at the symmetrical positions of the upper semicircular beam and the lower semicircular beam respectively;
the sliding block (2) is of a cuboid structure and is divided into an upper sliding block and a lower sliding block, the sliding block (2) is internally divided into an upper layer and a lower layer, each layer is hollow, a groove is formed in the center line position of the lower surface of the upper sliding block and the center line position of the upper surface of the lower sliding block, a slide way is arranged, one end of the sliding block (2) is opened, the other end of the sliding block is closed, holes are uniformly formed in the side walls of the upper layer of the upper sliding block and the lower layer of the lower sliding block respectively, so that the heat treatment deformation of the sliding block (2) is reduced, the upper sliding block is provided with the holes in the center position of the upper surface of the upper layer, the upper sliding blocks are arranged in the holes in the upper semicircular cross beam of the semicircular basket (1), the lower sliding block is provided with the holes in the center position of the lower surface of the lower layer, the lower sliding blocks are arranged in the holes in the lower semicircular cross beam of the semicircular basket (1) through bolts respectively, meanwhile, the sliding block (2) can rotate around the bolts by 360 degrees, the upper sliding block and the lower sliding block and the upper sliding block and the lower semicircular cross beam are arranged in the same side hole in the symmetrical position, and the upper sliding block and the lower sliding block are in the same side, and the opening end faces the opening end;
circular blocking pieces are respectively welded at two ends of the movable clamping stand column (3), the diameter of each circular blocking piece is larger than the size of a slide way of the slide block (2) and smaller than the size of the hollow width of the slide block (2), the outer diameter of the movable clamping stand column (3) is smaller than the size of the slide way of the slide block (2), threads are arranged at the positions, adjacent to the circular blocking pieces, of the two ends of the movable clamping stand column (3), nuts are installed, a plurality of clamping lug pieces are arranged on the movable clamping stand column (3) in each direction, and an included angle of 90 degrees is formed between the adjacent clamping lug pieces;
the movable clamping upright columns (3) are provided with a plurality of clamping upright columns, each clamping upright column can slide into the sliding block (2) through the opening ends of a group of symmetrical upper sliding blocks and symmetrical lower sliding blocks and can move in the sliding way, the movable clamping upright columns (3) can rotate around the upright columns by 360 degrees, and the nuts at the two ends of the movable clamping upright columns (3) are screwed to fix the positions of the movable clamping upright columns (3).
2. The combined flexible heat treatment charging basket for the large-curvature thin plate skin as claimed in claim 1, wherein the semicircular basket (1), the sliding block (2) and the movable clamping upright post (3) are made of stainless steel materials.
3. The combined flexible heat treatment charging basket for the large-curvature sheet skin as claimed in claim 1, wherein the holes of the semicircular basket (1) are symmetrically formed at the chord heights of the semicircular beam (1/7) and the chord heights of the semicircular beam (4/7) at the symmetrical positions of the upper semicircular beam and the lower semicircular beam, and are symmetrically formed.
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CN202211431713.4A CN115747463A (en) | 2022-11-16 | 2022-11-16 | Combined flexible heat treatment charging basket for large-curvature sheet skin |
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CN202211431713.4A CN115747463A (en) | 2022-11-16 | 2022-11-16 | Combined flexible heat treatment charging basket for large-curvature sheet skin |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254944A (en) * | 1978-02-10 | 1981-03-10 | Avesta Jernverks Aktiebolag | Framework for a basket for heat treating at high temperatures, and a method for manufacturing the same |
CN1693489A (en) * | 2005-05-20 | 2005-11-09 | 天津市交通科学技术研究所 | Heat treatment antideforming method for metal parts and composite clamp |
KR101400671B1 (en) * | 2014-03-28 | 2014-05-30 | 주식회사 샘코 | A holding apparatus for heat treatmenting of parts |
CN203728882U (en) * | 2013-12-13 | 2014-07-23 | 豫西工业集团有限公司 | Vacuum high-pressure air quenching thermal treatment clamp for sheet parts |
CN204039453U (en) * | 2014-08-19 | 2014-12-24 | 重庆诚缘机械有限公司 | A kind of web plate thermal treatment charging transfer carriage |
CN106881570A (en) * | 2017-03-17 | 2017-06-23 | 北京航星机器制造有限公司 | A kind of manufacture method of the circular arc with muscle covering |
CN106967871A (en) * | 2016-01-13 | 2017-07-21 | 哈尔滨飞机工业集团有限责任公司 | A kind of curved sheets quenching fixture |
CN110295333A (en) * | 2019-08-07 | 2019-10-01 | 沈阳飞机工业(集团)有限公司 | A kind of stationary fixture of large size covering heat treatment |
CN111940585A (en) * | 2020-07-15 | 2020-11-17 | 大连理工大学 | Performance regulation and control method for high-strength aluminum alloy thin shell ultralow-temperature forming process |
CN113714735A (en) * | 2021-07-30 | 2021-11-30 | 江西昌河航空工业有限公司 | Auxiliary method suitable for controlling heat treatment deformation of large aluminum alloy plate |
CN114354379A (en) * | 2022-01-06 | 2022-04-15 | 上海交通大学 | Testing device for high-temperature creep age forming of alloy sheet |
CN217230865U (en) * | 2022-04-21 | 2022-08-19 | 中国商用飞机有限责任公司 | Skin part heat treatment tool |
-
2022
- 2022-11-16 CN CN202211431713.4A patent/CN115747463A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254944A (en) * | 1978-02-10 | 1981-03-10 | Avesta Jernverks Aktiebolag | Framework for a basket for heat treating at high temperatures, and a method for manufacturing the same |
CN1693489A (en) * | 2005-05-20 | 2005-11-09 | 天津市交通科学技术研究所 | Heat treatment antideforming method for metal parts and composite clamp |
CN203728882U (en) * | 2013-12-13 | 2014-07-23 | 豫西工业集团有限公司 | Vacuum high-pressure air quenching thermal treatment clamp for sheet parts |
KR101400671B1 (en) * | 2014-03-28 | 2014-05-30 | 주식회사 샘코 | A holding apparatus for heat treatmenting of parts |
CN204039453U (en) * | 2014-08-19 | 2014-12-24 | 重庆诚缘机械有限公司 | A kind of web plate thermal treatment charging transfer carriage |
CN106967871A (en) * | 2016-01-13 | 2017-07-21 | 哈尔滨飞机工业集团有限责任公司 | A kind of curved sheets quenching fixture |
CN106881570A (en) * | 2017-03-17 | 2017-06-23 | 北京航星机器制造有限公司 | A kind of manufacture method of the circular arc with muscle covering |
CN110295333A (en) * | 2019-08-07 | 2019-10-01 | 沈阳飞机工业(集团)有限公司 | A kind of stationary fixture of large size covering heat treatment |
CN111940585A (en) * | 2020-07-15 | 2020-11-17 | 大连理工大学 | Performance regulation and control method for high-strength aluminum alloy thin shell ultralow-temperature forming process |
CN113714735A (en) * | 2021-07-30 | 2021-11-30 | 江西昌河航空工业有限公司 | Auxiliary method suitable for controlling heat treatment deformation of large aluminum alloy plate |
CN114354379A (en) * | 2022-01-06 | 2022-04-15 | 上海交通大学 | Testing device for high-temperature creep age forming of alloy sheet |
CN217230865U (en) * | 2022-04-21 | 2022-08-19 | 中国商用飞机有限责任公司 | Skin part heat treatment tool |
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