JPH1024394A - Panel with vertical rib, connected/joined part of panel with vertical rib, and connected/joined body of panel with vertical rib having its connected/joined part. - Google Patents
Panel with vertical rib, connected/joined part of panel with vertical rib, and connected/joined body of panel with vertical rib having its connected/joined part.Info
- Publication number
- JPH1024394A JPH1024394A JP8178292A JP17829296A JPH1024394A JP H1024394 A JPH1024394 A JP H1024394A JP 8178292 A JP8178292 A JP 8178292A JP 17829296 A JP17829296 A JP 17829296A JP H1024394 A JPH1024394 A JP H1024394A
- Authority
- JP
- Japan
- Prior art keywords
- panel
- vertical
- aggregates
- aggregate
- welded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、金属板材特に金属薄
板材に防撓材であるいわゆる小骨(船舶のスキン材とし
て用いられる場合はロンジ)と称される縦骨材を所定の
間隔で溶接してなる縦骨材付きパネルを縦骨材と平行す
る方向(縦方向)または縦骨材と直交する方向(横方
向)に隣接させ、相互のパネルの端部同士を溶接し組立
加工する際に、金属板材に発生する溶接歪を防止するこ
とができる縦骨材付きパネル及び縦骨材付きパネルの連
結接合部並びにその連結接合部を有する縦骨材付きパネ
ルの連結接合体に関するものである。BACKGROUND OF THE INVENTION The present invention relates to a method for welding a stiffener, a so-called small bone (longitudinal in the case of being used as a skin material of a ship), to a metal plate, particularly a thin metal plate, at predetermined intervals. When the panels with vertical aggregates are placed adjacent to each other in the direction parallel to the vertical aggregates (vertical direction) or the direction perpendicular to the vertical aggregates (horizontal direction), and the ends of the panels are welded to each other for assembly. More particularly, the present invention relates to a panel with a vertical aggregate capable of preventing welding distortion generated in a metal plate, a joint of the panel with the vertical aggregate, and a joint of the panel with the vertical aggregate having the joint. .
【0002】[0002]
【従来の技術】縦骨材付きパネルは、一般に船舶、鉄道
車両、橋梁、建物その他の構造物に多く使用されてい
る。このような構造物は、素材である縦骨材付きパネル
を隣接させ、その端部同士を溶接して組立加工する手段
により建造される。この場合、縦骨材付きパネルは、専
門工場において金属板材に縦骨材を溶接して製造され、
また、構造物は、この縦骨材付きパネルを建造現場例え
ば船殻構造では造船所に運びそこで各パネル相互を溶接
し組立加工が行われる。2. Description of the Related Art Panels with vertical aggregates are generally used in ships, railway vehicles, bridges, buildings and other structures. Such a structure is built by means of assembling a panel with a vertical aggregate, which is a raw material, adjacent to each other, and welding the ends thereof. In this case, the panel with vertical aggregate is manufactured by welding the vertical aggregate to a metal plate in a specialized factory,
In the structure, the panels with vertical aggregates are transported to a construction site, for example, a shipyard in the case of a hull structure, and the panels are welded to each other for assembly.
【0003】[0003]
【発明が解決しようとする課題】従来から、この縦骨材
付きパネルの製造及びパネル相互の組立加工では溶接歪
が発生するという問題を抱えていた。例えば、縦骨材付
きパネルの製造では、金属板材の所定位置で縦骨材の隅
角部を隅肉アーク溶接していくと、金属板材には、その
入熱により溶融金属の凝固収縮と関連して残留応力を生
じると共に、溶接変形を起こす、すなわち、溶接ビード
部を中心に座屈変形歪及び角変形歪を生じやすいという
問題があった。この問題に対しては、従来、歪の発生を
防止すべく種々の対策がなされている。具体的には、
(a)パネルの裏側から同時加熱を行う同時加熱方法、
(b)溶接作業後、溶接ビードに沿って線状に加熱した
り、その近傍を松葉状、点状あるいは格子状に局部加熱
し急冷する加熱冷却法、あるいは加熱後槌打ち等により
加圧する加熱加圧法、(c)発生した歪を機械的に拘束
して除去する機械的拘束法といった手法がとられる。専
門工場で製造される縦骨材付きパネルは、大きいもので
もそのサイズが2,000 mm×120,000 mm程度であり、上記
の諸対策を施すことにより、溶接歪がきわめて少ない均
一で高品質のものが得られている。Heretofore, there has been a problem that the production of the panel with vertical aggregates and the assembling process of the panels have a problem that welding distortion occurs. For example, in the manufacture of panels with vertical aggregates, when fillet arc welding is performed on the corners of the vertical aggregates at predetermined positions on the metal plate, the heat input to the metal plate causes the solidification and shrinkage of the molten metal. Therefore, there is a problem that a residual stress is generated and a welding deformation is caused, that is, a buckling deformation distortion and an angular deformation distortion are easily generated around the weld bead portion. Conventionally, various measures have been taken to prevent this from occurring. In particular,
(A) a simultaneous heating method of performing simultaneous heating from the back side of the panel,
(B) After the welding operation, heating is performed in a linear manner along the weld bead, or in the vicinity thereof is locally heated in a pine needle-like, point-like, or lattice-like manner and rapidly cooled, or heating is performed by pressing with a hammer after heating. Techniques such as a pressurization method and (c) a mechanical restraint method for mechanically restraining and removing the generated strain are employed. Panels with vertical aggregates manufactured in specialized factories have a size of about 2,000 mm x 120,000 mm, even for large ones.By taking the above measures, uniform and high quality panels with very little welding distortion can be obtained. Have been.
【0004】一方、各パネルの相互を溶接する組立加工
は、建造現場という限られた空間での作業であり、各パ
ネルを縦横に接続するとそのサイズが大きくなることか
ら、専門工場におけるような有効な諸対策を採用するこ
とができず、また大規模な設備を導入することもできな
いことに起因して、金属板材に大きな歪が発生してしま
い、現場作業者の悩みが絶えないところであった。On the other hand, the assembling process of welding each panel to each other is an operation in a limited space such as a construction site, and when each panel is connected vertically and horizontally, its size becomes large. Due to the inability to adopt various countermeasures and the inability to introduce large-scale equipment, large distortions occurred in the metal sheet material, and the troubles of field workers were constant. .
【0005】図5は、従来の溶接組立加工された縦骨材
付きパネル連結接合体を示す斜視図である。図6の
(a)は、縦骨材付きパネルを縦骨材と直交する方向に
連結した状態の接合部を示し、図5のVI−VI線における
断面図である。図6の(b)は、縦骨材付きパネルを縦
骨材と平行する方向に連結した状態の接合部を示し、図
5のVI′−VI′線における断面図である。これらの図に
おいて、予め専門工場で、金属板材30の縦方向に縦骨
材40の隅角部を隅肉アーク溶接した縦骨材付きパネル
20Aは、建造現場で縦骨材と直交する方向に隣接する
縦骨材付きパネル20B,20Cと、また、縦骨材と平
行する方向に隣接する縦骨材付きパネル20Dとそれぞ
れ連結接合部J1 ′,J2 ′及びJ3 ′において突合せ
溶接され、縦骨材付きパネル連結接合体50が組立加工
される。この従来の縦骨材付きパネル連結接合体50の
場合、各縦骨材付きパネル20A,20B,20C,2
0Dの端部(4辺)は、いわゆるフリーの状態にあり、
連結の際、金属板材30同士が相互に突き合わされるの
で、溶接により金属板材30に、図6の(a)及び
(b)に2点鎖線で示すような溶接歪が発生する。例え
ば、金属板材30として板厚が3mmで、 1,200mm× 9,0
00mmの大きさのJISA5083−Oアルミニウム合金
板を用い、縦骨材40として高さ70mm、フランジ40a
の長さ16mm、ウエブ40bの幅4mmのJISA5083
−H 112アルミニウム合金形材を用いた縦骨材付きパネ
ルを相互に突合せ溶接した場合、この歪の大きさ(高
さ)は、溶接前の金属板材30を基準面として上下に7
〜8mm、歪の最頂部間で14〜16mmとなり、これは構造物
にとって無視し得ない品質上の問題となっている。FIG. 5 is a perspective view showing a conventional panel-joined assembly with vertical aggregates that has been welded and assembled. FIG. 6A is a cross-sectional view taken along line VI-VI of FIG. 5, showing a joint portion in a state where the panel with vertical aggregates is connected in a direction orthogonal to the vertical aggregates. FIG. 6B is a cross-sectional view taken along the line VI′-VI ′ of FIG. 5, showing a joint portion where the panel with vertical aggregates is connected in a direction parallel to the vertical aggregates. In these figures, the panel 20A with the vertical aggregates in which the corners of the vertical aggregates 40 are arc-welded in the vertical direction of the metal plate material 30 in advance in a specialty factory in a direction orthogonal to the vertical aggregates at the construction site. The adjacent panels 20B and 20C with vertical aggregates and the panel 20D with vertical aggregates adjacent in a direction parallel to the vertical aggregates are butt-welded at connection joints J 1 ′, J 2 ′ and J 3 ′, respectively. Then, the panel connection joined body 50 with vertical aggregates is assembled. In the case of this conventional panel-joined joint 50 with vertical aggregates, the panels 20A, 20B, 20C, 2
The end (4 sides) of 0D is in a so-called free state,
At the time of connection, since the metal plate members 30 abut against each other, welding distortion is generated in the metal plate members 30 by welding as shown by two-dot chain lines in FIGS. 6A and 6B. For example, the metal plate 30 has a thickness of 3 mm and is 1,200 mm × 9,0
A JIS 5083-O aluminum alloy plate having a size of 00 mm was used.
JISA5083 with a length of 16mm and a width of 4mm of the web 40b
When the panels with vertical aggregates made of -H112 aluminum alloy sections are butt-welded to each other, the magnitude (height) of this distortion is 7 up and down with respect to the metal plate 30 before welding as a reference plane.
88 mm, 14-16 mm between the tops of the strains, which is a non-negligible quality problem for the structure.
【0006】この発明は、このような状況の中で鋭意検
討の結果、縦骨材付きパネルが専門工場で製造される段
階において、溶接歪の発生を極力防止し得る歪発生防止
手段を講じておくことにより、パネル相互の溶接組立加
工工程における上記した問題を解決できることを知得し
たもので、新規な縦骨材付きパネル及び縦骨材付きパネ
ルの連結接合部並びにその連結接合部を有する縦骨材付
きパネルの連結接合体を提供することを目的とする。According to the present invention, as a result of intensive studies in such a situation, at the stage where the panel with vertical aggregates is manufactured at a specialized factory, a means for preventing the occurrence of welding distortion is taken as much as possible. By doing so, it has been found that the above-mentioned problems in the process of welding and assembling the panels with each other can be solved, and a novel panel with a vertical aggregate, a connecting joint of the panel with a vertical aggregate, and a vertical joint having the connecting joint thereof An object of the present invention is to provide a connection joint of a panel with an aggregate.
【0007】[0007]
【課題を解決するための手段】上記の目的を達成するた
めに、この発明は、金属板材に縦骨材を所定の間隔で溶
接してなる縦骨材付きパネルであって、パネルの縦骨材
と平行する方向の一側端部または縦骨材と直交する方向
の一側端部の少なくとも一方の側端縁に沿って補強材
を、該補強材の底部の一部がパネル外方に延出するよう
に溶接されてなる縦骨材付きパネルを構成し、また、金
属板材に縦骨材を所定の間隔で溶接してなる縦骨材付き
パネルを縦骨材と平行する方向(縦方向)または縦骨材
と直交する方向(横方向)に隣接させ、相互のパネルの
端部同士を溶接し組立加工する縦骨材付きパネルの連結
接合部であって、前記縦骨材付きパネルの縦骨材と平行
する方向の一側端部または縦骨材と直交する方向の一側
端部の少なくとも一方に、補強材を溶接すると共に、当
該補強材の底部の一部が隣接する縦骨材付きパネルの他
側端部に跨がり、溶接の裏当て用のバッキングバーを兼
ねるように、前記隣接する縦骨材付きパネルの他側端部
に溶接したことを特徴とする縦骨材付きパネルの連結接
合部を構成した。この場合、前記補強材は、その底部に
底脚部を備え、断面略逆J字形に形成すると有効であ
る。また、突合せ溶接されるべき隣接する相互の縦骨材
付きパネルの突合せ部分に、開先加工を施しておくと、
より有効である。さらに、金属板材、縦骨材及び補強材
の材質がそれぞれアルミニウム合金である場合は、特に
有効である。そして、上記縦骨材付きパネルの連結接合
部の用途を、船舶用船殻構成用パネルとして用いた場合
は、より効果的である。加えて、この発明は、上記した
縦骨材付きパネルの連結接合部を有する縦骨材付きパネ
ルの連結接合体を構成している。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a panel provided with vertical aggregates formed by welding vertical aggregates to a metal plate at predetermined intervals. A reinforcing material is provided along at least one side edge of one side end in a direction parallel to the material or one side end in a direction orthogonal to the vertical aggregate, and a part of the bottom of the reinforcing material is outward of the panel. A panel with vertical aggregates is welded so as to extend, and a panel with vertical aggregates formed by welding vertical aggregates to a metal plate at a predetermined interval is parallel to the vertical aggregates (vertical direction). Direction) or a direction perpendicular to the vertical aggregate (horizontal direction), and connecting the ends of the panels with each other by welding and assembling the ends of the panels with each other. At least one side end in a direction parallel to the vertical aggregate or one side end in a direction perpendicular to the vertical aggregate. In addition, the reinforcing material is welded, and a part of the bottom portion of the reinforcing material straddles the other end of the adjacent panel with the vertical aggregate, and the adjacent portion also serves as a backing bar for welding backing. A connection joint of the panel with the vertical aggregate was characterized by being welded to the other end of the panel with the vertical aggregate. In this case, it is effective that the reinforcing member is provided with a bottom leg at the bottom and formed in a substantially inverted J-shaped cross section. Also, if the butt portion of the adjacent panels with vertical aggregates to be butt welded is subjected to groove processing,
More effective. Furthermore, it is particularly effective when the material of the metal plate, the vertical aggregate, and the reinforcing material is an aluminum alloy. When the use of the connection joint of the panel with vertical aggregates is used as a hull hull forming panel, it is more effective. In addition, the present invention constitutes a jointed body of panels with vertical aggregates having the joints of panels with vertical aggregates described above.
【0008】[0008]
【発明の実施の形態】以下に、この発明の実施の形態を
図面に基づき詳細に説明する。図1は、この発明に係る
縦骨材付きパネル及び縦骨材付きパネル連結接合部並び
にその連結接合部を有する縦骨材付きパネル連結接合体
の斜視図であり、特に、用途が船舶用船殻構成用パネル
である場合について示したものである。図2は、縦骨材
付きパネルを縦骨材と直交する方向に連結する場合の連
結接合部を示し、同図の(a)は、図1のII−II線にお
ける断面図、同図の(b)は、連結接合する前の縦骨材
付きパネルの一側端部の拡大断面図、同図の(c)は、
同図(a)の矢印Aで囲まれた部分の拡大断面図であ
る。図3は、縦骨材付きパネルを縦骨材と平行する方向
に連結する場合の連結接合部を示し、同図の(a)は、
図1の III− III線における断面図、同図の(b)は、
連結接合する前の縦骨材付きパネルの一側端部の拡大断
面図、同図の(c)は、同図(a)の矢印Bで囲まれた
部分の拡大断面図である。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of a panel with a vertical aggregate, a panel joint with a vertical aggregate, and a panel joint with a vertical aggregate having the joint according to the present invention. This is a case where the panel is a shell forming panel. FIG. 2 shows a connection joint when the panel with vertical aggregates is connected in a direction orthogonal to the vertical aggregates. FIG. 2A is a sectional view taken along line II-II in FIG. (B) is an enlarged cross-sectional view of one side end of the panel with vertical aggregates before connecting and joining, and (c) of FIG.
FIG. 3 is an enlarged sectional view of a portion surrounded by an arrow A in FIG. FIG. 3 shows a connection joint in the case of connecting a panel with vertical aggregates in a direction parallel to the vertical aggregates, and (a) of FIG.
FIG. 1B is a sectional view taken along line III-III, and FIG.
FIG. 3C is an enlarged cross-sectional view of one side end of the panel with vertical aggregates before connection and joining, and FIG. 4C is an enlarged cross-sectional view of a portion surrounded by an arrow B in FIG.
【0009】図1において、縦骨材付きパネル連結接合
体10は、縦骨材付きパネル1Aに対して縦骨材と直交
する方向に隣接する縦骨材付きパネル1B,1Cと、ま
た、縦骨材と平行する方向に隣接する縦骨材付きパネル
1Dと、それぞれ連結接合部J1 ,J2 及びJ3 におい
て突合せ溶接され、組立加工される。単位パネル構成体
である各縦骨材付きパネル1A,1B,1C,1Dは、
金属板材2に、縦方向に防撓材である複数条の縦骨材
3、この実施形態では、ほぼ均等の間隔で配設した3条
の縦骨材31 ,32 ,33 の隅角部を隅肉アーク溶接し
ている。図2の(a)に示すように、縦骨材3は、従来
と同様、フランジ3aとウエブ3bとにより断面略逆L
字形に構成される。ここで、金属板材2の種類としては
アルミニウム合金板、軟鋼等が好ましく適用できる。金
属板材2の板厚は、通常10mm以下に適用できるが、2
〜5mmが好適である。この実施形態では、金属板材2と
して、板厚が3mmで、 1,200mm× 9,000mmの大きさのア
ルミニウム合金A5083−O材(JIS規格)からな
るアルミニウム合金板を用いた。縦骨材3としては、金
属板材2と同材質のものが用いられ、この実施形態で
は、高さ70mm、フランジ3aの長さ16mm、ウエブ3bの
幅4mmのアルミニウム合金A5083−H 112からなる
アルミニウム合金形材を用いた。隅肉溶接法の種類とし
ては、特に限定されないが、通常MIG溶接、CO2 溶
接あるいはマグ溶接等が使用でき、金属板材2の種類に
応じて適宜選択する。In FIG. 1, a panel joint assembly 10 with vertical aggregates includes panels 1B and 1C with vertical aggregates adjacent to the panel 1A with vertical aggregates in a direction orthogonal to the vertical aggregates. and vertical with aggregate panel 1D adjacent in the direction parallel to the aggregate, are butt at each coupling junction J 1, J 2 and J 3 welded are assembled processed. Panels 1A, 1B, 1C, 1D with vertical aggregates, which are unit panel components,
The metal plate 2, vertically stiffener in a plural rows vertical aggregate 3, in this embodiment, substantially vertical aggregate 3 1 of Article which is arranged at intervals of equal, 3 2, 3 3 corners The corners are fillet arc welded. As shown in FIG. 2 (a), the vertical aggregate 3 has a substantially reverse cross section L by means of a flange 3a and a web 3b, as in the prior art.
It is shaped like a letter. Here, as the type of the metal plate material 2, an aluminum alloy plate, mild steel, or the like can be preferably applied. The thickness of the metal plate 2 can be generally applied to 10 mm or less.
~ 5 mm is preferred. In this embodiment, an aluminum alloy plate made of an aluminum alloy A5083-O (JIS standard) having a thickness of 3 mm and a size of 1,200 mm × 9,000 mm was used as the metal plate 2. As the vertical aggregate 3, the same material as the metal plate 2 is used. In this embodiment, aluminum made of aluminum alloy A5083-H112 having a height of 70 mm, a length of the flange 3 a of 16 mm, and a width of the web 3 b of 4 mm is used. An alloy profile was used. The type of the fillet welding method is not particularly limited, but usually MIG welding, CO 2 welding, or mag welding can be used, and is appropriately selected according to the type of the metal plate 2.
【0010】さて、各縦骨材付きパネル1A〜1Dの縦
骨材3と直交する方向の一側端部には、図2の(a)及
び(b)に示すように、金属板材2及び縦骨材3と同材
質の縦骨材を兼ねる補強材4を溶接する。この補強材4
は、この実施形態では、底脚部4a、ウエブ4b及びフ
ランジ4cにより断面略逆J字形に構成される。この実
施形態では、補強材4として、高さ70mm、フランジ4c
の長さ16mm、ウエブ4bの幅4mm、底脚部4aの高さ3
mm,幅20mmのアルミニウム合金A5083−H112から
なるアルミニウム合金形材を用いた。このように、補強
材4をアルミニウム合金形材で構成することにより、底
脚部4a、ウエブ4b及びフランジ4cを有する断面略
逆J字形の複雑な形状を容易に製造することができる。As shown in FIGS. 2 (a) and 2 (b), one end of each of the panels 1A to 1D with vertical aggregates in a direction orthogonal to the vertical aggregates 3 is provided with a metal plate 2 and a metal plate 2. The reinforcing material 4 serving as the vertical aggregate of the same material as the vertical aggregate 3 is welded. This reinforcement 4
In this embodiment, the bottom leg 4a, the web 4b, and the flange 4c have a substantially inverted J-shaped cross section. In this embodiment, the reinforcing member 4 has a height of 70 mm and a flange 4c.
Length 16mm, web 4b width 4mm, bottom leg 4a height 3
An aluminum alloy section made of an aluminum alloy A5083-H112 having a width of 20 mm and a width of 20 mm was used. As described above, by forming the reinforcing member 4 from an aluminum alloy profile, a complicated shape having a substantially inverted J-shaped cross section having the bottom leg portion 4a, the web 4b, and the flange 4c can be easily manufactured.
【0011】そして、縦骨材付きパネル1Aについて説
明すると、縦骨材3と直交する方向の一側端部に形成し
た補強材4は、縦骨材付きパネル1Aの一側端部の側端
縁に沿って、図2の(b)に示すように、底脚部4aの
約半分を残してその余を縦骨材付きパネル1Aの端部か
らはみ出す態様で、パネル外方に延出するようにその隅
角部を縦骨材付きパネル1Aの端縁に隅肉アーク溶接さ
れる。W1 は、その溶接線である。これにより、補強材
4の底脚部4aは、その一部(延出した部分)が連結接
合されるべき隣接する縦骨材付きパネル1Bの他側端部
に跨がるように、縦骨材付きパネル1Aの側端縁に溶接
されることになる。The panel 1A with vertical aggregates will be described. The reinforcing member 4 formed at one end of the panel 1A with the vertical aggregates is a side end of the panel 1A with vertical aggregates. Along the edge, as shown in FIG. 2 (b), the outer portion of the bottom leg portion 4a is extended to the outside of the panel 1A, leaving about half of the bottom leg portion 4a protruding from the end of the panel 1A with vertical aggregates. As described above, the corner portion is fillet arc welded to the edge of the panel 1A with the vertical aggregate. W 1 is its weld line. As a result, the bottom leg 4a of the reinforcing member 4 extends vertically so that a part (extended portion) of the bottom leg 4a straddles the other end of the adjacent panel 1B with vertical aggregate to be connected and joined. It will be welded to the side edge of the panel 1A with the material.
【0012】一方、各縦骨材付きパネル1A〜1Dの縦
骨材3と平行する方向の一側端部には、同様に、この実
施形態では、図3の(a)及び(b)に示すように、底
脚部5a、ウエブ5b及びフランジ5cにより断面略逆
J字形に構成された補強材5を溶接する。この縦骨材3
と平行する方向の一側端部に形成した補強材5も、図3
の(b)に示すように、その底脚部5aの一部が、パネ
ル外方に延出するようにその隅角部を縦骨材付きパネル
1Aの側端縁に隅肉アーク溶接される。W4 は、その溶
接線である。On the other hand, at one end of each of the panels 1A to 1D with vertical aggregates in a direction parallel to the vertical aggregates 3, similarly, in this embodiment, as shown in FIGS. 3 (a) and 3 (b). As shown in the figure, the reinforcing member 5 having a substantially inverted J-shaped cross section is welded by the bottom leg 5a, the web 5b, and the flange 5c. This vertical aggregate 3
The reinforcing material 5 formed at one end in the direction parallel to the direction shown in FIG.
(B), a part of the bottom leg 5a is arc-welded to a side edge of the panel 1A with the vertical aggregate so that a part of the bottom leg 5a extends outward of the panel. . W 4 is its weld line.
【0013】図1の各縦骨材付きパネル1A〜1Dにお
ける金属板材2への縦骨材3の溶接及び縦骨材3と直交
する方向の一側端の補強材4または縦骨材3と平行する
方向の一側端の補強材5の溶接は、専門工場で、例えば
同時加熱方法、加熱冷却法、加熱加圧法、機械的拘束法
といった公知の歪発生の防止対策がとられた上で行われ
るので、溶接歪がきわめて少なく、均一で高品質のもの
を製造できる。In each of the panels 1A to 1D with the vertical aggregate shown in FIG. 1, the vertical aggregate 3 is welded to the metal plate 2 and the reinforcing material 4 or the vertical aggregate 3 at one end in a direction perpendicular to the vertical aggregate 3 is formed. Welding of the reinforcing material 5 at one end in the parallel direction is performed by a specialized factory after taking measures to prevent the occurrence of distortion such as a simultaneous heating method, a heating / cooling method, a heating / pressing method, and a mechanical restraint method. As a result, a uniform and high-quality product with very little welding distortion can be manufactured.
【0014】製造された各縦骨材付きパネル1A〜1D
は、建造現場例えば造船所に運ばれて、それぞれの端部
同士が溶接接合される。Panels 1A to 1D with manufactured vertical aggregates
Is transported to a construction site, for example, a shipyard, where each end is welded and joined.
【0015】図2の(a)は、縦骨材付きパネル1Aに
対し、縦骨材と直交する方向に縦骨材付きパネル1B,
1Cを連結し、接合した状態の断面図である。縦骨材付
きパネル1Aを構成する金属板材2には、予め縦骨材3
と直交する方向の一側端部に補強材4が、その底脚部4
aの一部が当該金属板材2の端部からはみ出す態様で隅
肉アーク溶接(W1 )されている(図2の(b)参
照)。そして、図2の(c)に示すように、この補強材
4の底脚部4aが溶接された金属板材2に、横に隣接す
る縦骨材付きパネル1Bの他側端部に位置する金属板材
2′を突き合わした状態で、突合せ部分である連結接合
部J1 を突合せ溶接(W3 )する。この場合、補強材4
の底脚部4aの一部が隣接する縦骨材付きパネル1Bの
他側端部に跨がり、溶接の裏当て用のバッキングバーを
兼ねることとなり、従来の縦骨材付きパネルが相互の突
合せ部分において表裏両面での溶接を必要としたのに対
し、片側からの溶接だけで済み、かつ、溶落ちを防止で
きるので、極めて有効である。なお、金属板材2,2′
の突合せ部分に、予め開先加工を施し、図4に示すよう
な開先部2aを形成しておくと、溶落ちや溶込み不良を
防止でき、より有効である。続いて、図2の(c)に示
すように、補強材4の底脚部4aを縦骨材付きパネル1
Bの他側端部に位置する金属板材2′の端縁に隅肉アー
ク溶接(W2 )する。FIG. 2A shows a panel 1B with vertical aggregates in a direction perpendicular to the vertical aggregates with respect to the panel 1A with vertical aggregates.
It is sectional drawing of the state which connected and joined 1C. The metal plate 2 constituting the panel 1A with the vertical aggregate has a vertical aggregate 3
A reinforcing material 4 is provided at one end of the direction orthogonal to
Filler arc welding (W 1 ) is performed so that part of “a” protrudes from the end of the metal plate material 2 (see FIG. 2B). Then, as shown in FIG. 2 (c), the metal plate 2 to which the bottom leg 4a of the reinforcing member 4 is welded is placed on the other side end of the panel 1B with the vertical aggregate adjacent to the side. in a state where Tsukiawashi a plate 2 ', to the abutting portion at a connecting joint portion J 1 butt weld (W 3). In this case, the reinforcement 4
A part of the bottom leg portion 4a of FIG. 1 straddles the other end of the adjacent panel 1B with the vertical aggregate, and also serves as a backing bar for backing the welding, so that the panel with the conventional vertical aggregate abuts each other. This is extremely effective because welding on both front and back surfaces is required at the part, but only welding from one side is required, and burnout can be prevented. In addition, the metal plate material 2, 2 '
If a groove is formed in advance on the abutting portion to form a groove 2a as shown in FIG. 4, it is possible to prevent burn-through and poor penetration, which is more effective. Subsequently, as shown in FIG. 2C, the bottom leg 4a of the reinforcing member 4 is attached to the panel 1 with the vertical aggregate.
Fillet arc welding (W 2 ) is performed on the edge of the metal plate 2 ′ located at the other end of B.
【0016】図3の(a)は、縦骨材付きパネル1Aに
対し、縦骨材と平行する方向に縦骨材付きパネル1Dを
連結し、接合した状態の断面図である。縦骨材と直交す
る方向の連結接合と同様に、縦骨材付きパネル1Aを構
成する金属板材2には、予め縦骨材3と平行する方向の
一側端部に、補強材5を、当該補強材5の底脚部5aの
一部が隣接する縦骨材付きパネル1Dの他側端部に位置
する金属板材2″に跨がるように隅肉アーク溶接
(W4 )されている(図3の(b)参照)。なお、この
補強材5が固定できるように、縦骨材付きパネル1Aを
構成する金属板材2に溶接されている縦骨材3及び補強
材4のそれぞれの端部は、予め金属板材2の端部よりや
や短くすると共に、底脚部5a,フランジ5c相当部分
が切り欠かれ、全体強度を増大するために補強材5と縦
骨材3,補強材4間は隅肉溶接される必要がある。そし
て、補強材5の底脚部5aが溶接された金属板材2に、
図3の(c)に示すように、縦に隣接する縦骨材付きパ
ネル1Dの他側端部に位置する金属板材2″を突き合わ
した状態で、突合せ部分である連結接合部J3 を突合せ
溶接(W5)する。この場合も、補強材5の底脚部5a
が溶接の裏当て用のバッキングバーを兼ねることとな
り、隣接する相互の縦骨材付きパネル1A,1Dを、よ
り強固に溶接接合できる。また、金属板材2,2′の突
合せ部分に、予め開先加工を施しておくと、より有効で
ある。なお、補強材5の底脚部5aのはみ出し部分に対
応させて、対向する縦骨材付きパネル1Dを構成する金
属板材2″に溶接されている縦骨材3′の端部に予め取
付けしやすいように切欠部3dを形成しておく。続い
て、補強材5のウエブ5b、フランジ5cと、縦骨材付
きパネル1Dの各縦骨材3′との間を溶接(W6 )す
る。補強材5のウエブ5b、フランジ5cと、縦骨材付
きパネル1Dの縦骨材3′と直交する方向の一側端部の
補強材4′(図1)との間も同様に溶接する。また、補
強材5の底脚部5aを縦骨材付きパネル1Dの金属板材
2″の端縁に隅肉アーク溶接(W7 )する。FIG. 3A is a cross-sectional view showing a state where the panel 1D with the vertical aggregate is connected to the panel 1A with the vertical aggregate in a direction parallel to the vertical aggregate and joined. Similarly to the connection joining in the direction orthogonal to the vertical aggregate, the reinforcing member 5 is previously provided on one end of the metal plate 2 constituting the panel 1A with the vertical aggregate in a direction parallel to the vertical aggregate 3 in advance. Fillet arc welding (W 4 ) is performed so that a part of the bottom leg 5a of the reinforcing member 5 straddles the metal plate 2 ″ located at the other end of the adjacent panel 1D with vertical aggregate. (See FIG. 3 (b).) Note that each of the vertical aggregate 3 and the reinforcing member 4 welded to the metal plate 2 constituting the panel 1A with the vertical aggregate so that the reinforcing member 5 can be fixed. The ends are made slightly shorter in advance than the ends of the metal plate material 2, and the portions corresponding to the bottom legs 5a and the flanges 5c are cut out, so that the reinforcing material 5, the longitudinal aggregate 3, and the reinforcing material 4 are provided to increase the overall strength. It is necessary to fillet-weld the gap, and to the metal plate 2 to which the bottom leg 5a of the reinforcing member 5 is welded,
As shown in FIG. 3 (c), the metal plate 2 'located on the other side end portion of the vertical aggregate and panel 1D adjacent vertically in a state in which Tsukiawashi, the connecting joint portion J 3 is abutting portion Butt welding (W 5 ), also in this case, the bottom leg 5a of the reinforcing member 5
Serves also as a backing bar for welding backing, so that the adjacent panels 1A and 1D with vertical aggregates can be more strongly welded to each other. In addition, it is more effective to bevel the joint portions of the metal plates 2 and 2 ′ in advance. The reinforcing member 5 is previously attached to the end of the vertical aggregate 3 'welded to the metal plate 2 "constituting the opposed panel 1D with the vertical aggregate so as to correspond to the protruding portion of the bottom leg 5a. A notch 3d is formed so that the web 5b and the flange 5c of the reinforcing member 5 are welded (W 6 ) to each vertical aggregate 3 ′ of the panel 1D with the vertical aggregate. Welding is similarly performed between the web 5b and the flange 5c of the reinforcing member 5 and the reinforcing member 4 '(FIG. 1) at one end in a direction orthogonal to the vertical aggregate 3' of the panel 1D with the vertical aggregate. In addition, the bottom leg 5a of the reinforcing member 5 is filleted by arc welding (W 7 ) to the edge of the metal plate 2 ″ of the panel 1D with vertical aggregates.
【0017】上記のように、縦骨材付きパネルの縦骨材
と直交する方向の一側端部または縦骨材と平行する方向
の一側端部に、縦骨材を兼ねる補強材を、当該補強材の
底脚部の一部が隣接する縦骨材付きパネルの他側端部に
跨がるように、溶接した各縦骨材付きパネル1A,1
B,1C,1Dを含む単位パネル構成体は、それぞれの
隣接接続部が溶接接合されて、縦骨材付きパネル連結接
合体10(図1)が組立加工される。この際、組立体の
構造によっては、縦骨材付きパネルの縦骨材と平行する
方向の一側端部または縦骨材と直交する方向の一側端部
のいずれか一方に補強材を設けてさえおけば、他方は不
要である場合が考えられることから、補強材は、縦骨材
付きパネルの縦骨材と平行する方向の一側端部または縦
骨材と直交する方向の一側端部の少なくとも一方にあれ
ば事足りるものである。As described above, the reinforcing material also serving as the vertical aggregate is provided at one end of the panel with the vertical aggregate in the direction perpendicular to the vertical aggregate or one end in the direction parallel to the vertical aggregate. Each of the panels 1A and 1A with the welded vertical aggregates is welded such that a part of the bottom leg of the reinforcing member straddles the other end of the adjacent panel with the vertical aggregates.
In the unit panel structure including B, 1C, and 1D, the adjacent connection portions are welded to each other, and the panel connection joint with vertical aggregate 10 (FIG. 1) is assembled. At this time, depending on the structure of the assembly, a reinforcing material is provided at one of one side end in a direction parallel to the vertical aggregate and one side end in a direction perpendicular to the vertical aggregate of the panel with the vertical aggregate. As long as the other is not required, the reinforcing material may be unnecessary, so the reinforcing material shall be on one side end in the direction parallel to the vertical aggregate of the panel with the vertical aggregate or on one side in the direction orthogonal to the vertical aggregate. At least one of the ends is sufficient.
【0018】なお、以上説明した実施形態においては、
縦骨材と直交する方向の一側端部の補強材4は縦骨材を
兼ねる補強材4として、その底部に底脚部4aを有し、
ウエブ4bとフランジ4cとにより断面略逆J字形に形
成した部材について示したが、特にこの形状に限定され
るものではなく、例えば図2の(d)の符号4″に示す
如きチャンネル状でもよく、底部の一部が隣接する縦骨
材付きパネルの他側端部に跨がるように、縦骨材付きパ
ネルの一側端部に溶接されていれば、裏当て用のバッキ
ングバーを兼ねることとなり、目的を達し得る。In the embodiment described above,
The reinforcing material 4 at one end in the direction orthogonal to the vertical aggregate has a bottom leg 4a at the bottom as the reinforcing material 4 also serving as the vertical aggregate,
Although a member formed to have a substantially inverted J-shaped cross section by the web 4b and the flange 4c has been described, the shape is not particularly limited to this shape. For example, a channel shape as shown by reference numeral 4 ″ in FIG. If it is welded to one end of the panel with the vertical aggregate so that a part of the bottom straddles the other end of the panel with the vertical aggregate, it also serves as a backing bar for backing It is possible to achieve the purpose.
【0019】[0019]
【発明の効果】以上詳細に説明したように、この発明に
係る縦骨材付きパネル及び縦骨材付きパネルの連結接合
部並びにその連結接合部を有する縦骨材付きパネルの連
結接合体によれば、縦骨材付きパネルの一側端部に縦骨
材を兼ねる補強材を溶接したので、隣接する相互の縦骨
材付きパネル間に補強材が位置して端部に剛性が与えら
れ、従来の各縦骨材付きパネルの金属板材同士が相互に
突き合わされて溶接されるものと比較し、溶接歪の発生
を最小限にくい止めることができる。具体的には、溶接
部周辺における金属板材に発生した溶接歪の大きさ(高
さ)は、溶接前の金属板材を基準面として大きいところ
で上下に1mm、歪の最頂部間で2mmとなり、これは従来
の縦骨材付きパネル連結接合体における同一箇所での溶
接歪の 1/7〜1/8 の大きさで、建造現場での溶接組立加
工では、ほとんど無視し得る程度のものに過ぎない。ま
た、補強材はその底部、特に底脚部の一部が隣接する縦
骨材付きパネルの他側端部に跨がり、溶接の裏当て用の
バッキングバーを兼ねるので、溶接し易くなり、現場に
おける溶接の信頼性の向上に大きな効果がある。また、
金属板材に発生する溶接による歪を低減させる効果が特
に大きい。したがって、この発明に係る縦骨材付きパネ
ル及び縦骨材付きパネル連結接合部並びにその連結接合
部を有する縦骨材付きパネルの連結接合体は、船舶、鉄
道車両、橋梁、建物その他の構造物に適用し、きわめて
効果的であり、中でも、船殻構造として用いた場合には
特に有効である。As described in detail above, according to the panel with vertical aggregate, the joint of the panel with vertical aggregate and the joint of the panel with vertical aggregate having the joint according to the present invention. For example, since a reinforcing material serving as a vertical aggregate is welded to one end of the panel with the vertical aggregate, the reinforcing material is located between the adjacent panels with the vertical aggregate, and rigidity is given to the end, Compared with a conventional panel with vertical aggregates in which the metal plate members are butted and welded to each other, the occurrence of welding distortion can be minimized. Specifically, the magnitude (height) of the welding strain generated in the metal sheet material around the welded portion is 1 mm up and down in a large area with the metal sheet material before welding as a reference plane, and 2 mm between the tops of the distortion. Is 1/7 to 1/8 of the welding distortion at the same location in the conventional panel-joined joint with vertical aggregate, and it is almost negligible in welding and assembling at the construction site . In addition, since the reinforcing material straddles the bottom of the panel, particularly a part of the bottom leg, on the other end of the adjacent panel with vertical aggregates, and also functions as a backing bar for welding backing, welding becomes easier, and Has a great effect on the improvement of the welding reliability. Also,
The effect of reducing distortion caused by welding generated in the metal plate material is particularly large. Therefore, the panel with vertical aggregate and the panel joint with vertical aggregate according to the present invention, and the joint with the panel with vertical aggregate having the joint with the panel, are used for ships, railway vehicles, bridges, buildings and other structures. It is extremely effective, especially when used as a hull structure.
【図1】この発明に係る縦骨材付きパネル及び縦骨材付
きパネル連結接合部を有する縦骨材付きパネル連結接合
体の斜視図である。FIG. 1 is a perspective view of a panel with a vertical aggregate and a panel joint with a vertical aggregate having a panel with a vertical aggregate and a panel joint with a vertical aggregate according to the present invention.
【図2】この発明に係る縦骨材付きパネルを縦骨材と直
交する方向に連結する場合の連結接合部を示し、(a)
は、図1のII−II線における断面図、(b)は、連結接
合する前の縦骨材付きパネルの一側端部の拡大断面図、
(c)は、(a)図の矢印Aで囲まれた部分の拡大断面
図である。また、(d)は、縦骨材を兼ねる補強材の他
の例を示す拡大断面図である。FIGS. 2A and 2B show connection joints when connecting a panel with vertical aggregates according to the present invention in a direction perpendicular to the vertical aggregates, and FIG.
Is a cross-sectional view taken along the line II-II in FIG. 1, (b) is an enlarged cross-sectional view of one side end of the panel with vertical aggregates before connecting and joining,
(C) is an enlarged sectional view of a portion surrounded by an arrow A in (a). (D) is an enlarged sectional view showing another example of a reinforcing material which also serves as a vertical aggregate.
【図3】この発明に係る縦骨材付きパネルを縦骨材と平
行する方向に連結する場合の連結接合部を示し、同図の
(a)は、図1の III− III線における断面図、(b)
は、連結接合する前の縦骨材付きパネルの一側端部の拡
大断面図、(c)は、(a)図の矢印Bで囲まれた部分
の拡大断面図である。FIG. 3 shows a connection joint when the panel with vertical aggregates according to the present invention is connected in a direction parallel to the vertical aggregates. FIG. 3A is a cross-sectional view taken along line III-III in FIG. , (B)
Is an enlarged cross-sectional view of one side end of the panel with vertical aggregates before connecting and joining, and (c) is an enlarged cross-sectional view of a portion surrounded by an arrow B in FIG.
【図4】この発明に係る縦骨材付きパネル連結接合部の
拡大断面図である。FIG. 4 is an enlarged cross-sectional view of a panel connecting joint with a vertical aggregate according to the present invention.
【図5】従来の溶接組立加工された縦骨材付きパネル連
結接合体の斜視図である。FIG. 5 is a perspective view of a conventional panel-joined joint with vertical aggregates that has been welded and assembled.
【図6】(a)は、従来の縦骨材付きパネルを縦骨材と
直交する方向に連結した状態の接合部を示し、図5のVI
−VI線における断面図である。(b)は、従来の縦骨材
付きパネルを縦骨材と平行する方向に連結した状態の接
合部を示し、図5のVI′−VI′線における断面図であ
る。FIG. 6 (a) shows a joint in a state where a conventional panel with vertical aggregates is connected in a direction perpendicular to the vertical aggregates, and FIG.
It is sectional drawing in the -VI line. (B) is a cross-sectional view taken along line VI′-VI ′ of FIG. 5, showing a joint portion in a state where a conventional panel with vertical aggregates is connected in a direction parallel to the vertical aggregates.
1A〜1D…縦骨材付きパネル 2,2′ …金属板材 3,3′ …縦骨材 4 …補強材(縦骨材と直交する方向端部) 4a …底脚部 4b …ウエブ 4c …フランジ 5 …補強材(縦骨材と平行する方向端部) 5a …底脚部 5b …ウエブ 5c …フランジ 10 …縦骨材付きパネル連結接合体 J1 ,J2 ,J3 …連結接合部 W1 〜W6 …溶接線1A to 1D: Panel with vertical aggregate 2, 2 '... Metal plate 3, 3' ... Vertical aggregate 4 ... Reinforcement (end in the direction perpendicular to the vertical aggregate) 4a ... Bottom leg 4b ... Web 4c ... Flange 5 ... stiffener (vertical aggregate direction end portions parallel to) 5a ... bottom leg portion 5b ... web 5c ... flange 10 ... with vertical aggregate panel connecting assembly J 1, J 2, J 3 ... connecting joint W 1 ~ W 6 ... welding line
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 FI 技術表示箇所 // B23K 9/00 501 9348−4E B23K 9/00 501A ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code Agency reference number FI Technical indication location // B23K 9/00 501 9348-4E B23K 9/00 501A
Claims (7)
てなる縦骨材付きパネルであって、パネルの縦骨材と平
行する方向の一側端部または縦骨材と直交する方向の一
側端部の少なくとも一方の側端縁に沿って補強材を、該
補強材の底部の一部がパネル外方に延出するように溶接
されてなる縦骨材付きパネル。1. A panel with vertical aggregates formed by welding vertical aggregates to a metal plate at predetermined intervals, wherein the panel has one side end parallel to the vertical aggregates or orthogonal to the vertical aggregates. A panel with vertical aggregates, wherein a reinforcing material is welded along at least one side edge of one side end in a direction so that a part of a bottom portion of the reinforcing material extends outside the panel.
てなる縦骨材付きパネルを縦骨材と平行する方向または
縦骨材と直交する方向に隣接させ、相互のパネルの端部
同士を溶接し組立加工する縦骨材付きパネルの連結接合
部であって、前記縦骨材付きパネルの縦骨材と平行する
方向の一側端部または縦骨材と直交する方向の一側端部
の少なくとも一方に、補強材を溶接すると共に、当該補
強材の底部の一部が隣接する縦骨材付きパネルの他側端
部に跨がり、溶接の裏当て用のバッキングバーを兼ねる
ように、前記隣接する縦骨材付きパネルの他側端部に溶
接したことを特徴とする縦骨材付きパネルの連結接合
部。2. A panel with a vertical aggregate formed by welding a vertical aggregate to a metal plate at a predetermined interval is made adjacent to a panel in a direction parallel to the vertical aggregate or a direction orthogonal to the vertical aggregate, and ends of the panels with each other. A joint portion of a panel with vertical aggregates to be welded and assembled with each other at one end in a direction parallel to the vertical aggregates of the panel with vertical aggregates or one side in a direction orthogonal to the vertical aggregates. A reinforcing material is welded to at least one of the side ends, and a part of the bottom of the reinforcing material straddles the other side end of the adjacent panel with vertical aggregates, and also serves as a backing bar for backing the welding. As described above, the connection joint of the panel with the vertical aggregate is welded to the other end of the adjacent panel with the vertical aggregate.
え、断面略逆J字形に形成してなる請求項2に記載の縦
骨材付きパネルの連結接合部。3. The joint according to claim 2, wherein the reinforcing member has a bottom leg at the bottom thereof and is formed to have a substantially inverted J-shaped cross section.
骨材付きパネルの突合せ部分に、開先加工を施してなる
請求項2または請求項3に記載の縦骨材付きパネルの連
結接合部。4. The joint of a panel with vertical aggregate according to claim 2 or 3, wherein a butt portion of adjacent panels with vertical aggregate to be butt-welded is beveled. .
れぞれアルミニウム合金である請求項2ないし請求項4
のいずれかに記載の縦骨材付きパネルの連結接合部。5. A material according to claim 2, wherein the material of the metal plate, the vertical aggregate and the reinforcing material is an aluminum alloy.
A connection joint for a panel with vertical aggregates according to any one of the above.
求項2ないし請求項5のいずれかに記載の縦骨材付きパ
ネルの連結接合部。6. The connecting joint of a panel with vertical aggregate according to claim 2, wherein the joint is used for a hull hull forming panel.
載の縦骨材付きパネルの連結接合部を有する縦骨材付き
パネルの連結接合体。7. A connection joint of panels with vertical aggregates, having a connection joint of panels with vertical aggregates according to any one of claims 2 to 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8178292A JPH1024394A (en) | 1996-07-08 | 1996-07-08 | Panel with vertical rib, connected/joined part of panel with vertical rib, and connected/joined body of panel with vertical rib having its connected/joined part. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8178292A JPH1024394A (en) | 1996-07-08 | 1996-07-08 | Panel with vertical rib, connected/joined part of panel with vertical rib, and connected/joined body of panel with vertical rib having its connected/joined part. |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH1024394A true JPH1024394A (en) | 1998-01-27 |
Family
ID=16045928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8178292A Pending JPH1024394A (en) | 1996-07-08 | 1996-07-08 | Panel with vertical rib, connected/joined part of panel with vertical rib, and connected/joined body of panel with vertical rib having its connected/joined part. |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH1024394A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002053098A (en) * | 2000-06-28 | 2002-02-19 | Eads Airbus Gmbh | Structural member for airplane, manufacturing method thereof and reinforcement deformed member for the structural member |
JP2012011413A (en) * | 2010-06-30 | 2012-01-19 | Mitsubishi Alum Co Ltd | Method of welding aluminum material |
CN109911104A (en) * | 2019-03-29 | 2019-06-21 | 广船国际有限公司 | Ship siding through hole and its open up method and boat segmental building technology |
CN112872676A (en) * | 2020-12-23 | 2021-06-01 | 山东东岳永盛车桥股份有限公司 | Axle assembly welding tool |
-
1996
- 1996-07-08 JP JP8178292A patent/JPH1024394A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002053098A (en) * | 2000-06-28 | 2002-02-19 | Eads Airbus Gmbh | Structural member for airplane, manufacturing method thereof and reinforcement deformed member for the structural member |
JP2012011413A (en) * | 2010-06-30 | 2012-01-19 | Mitsubishi Alum Co Ltd | Method of welding aluminum material |
CN109911104A (en) * | 2019-03-29 | 2019-06-21 | 广船国际有限公司 | Ship siding through hole and its open up method and boat segmental building technology |
CN112872676A (en) * | 2020-12-23 | 2021-06-01 | 山东东岳永盛车桥股份有限公司 | Axle assembly welding tool |
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