JP2002004883A - Method for restoring blade, and jig for the restoring blade - Google Patents

Method for restoring blade, and jig for the restoring blade

Info

Publication number
JP2002004883A
JP2002004883A JP2000185349A JP2000185349A JP2002004883A JP 2002004883 A JP2002004883 A JP 2002004883A JP 2000185349 A JP2000185349 A JP 2000185349A JP 2000185349 A JP2000185349 A JP 2000185349A JP 2002004883 A JP2002004883 A JP 2002004883A
Authority
JP
Japan
Prior art keywords
wing
repair
tip
shape
welding
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.)
Granted
Application number
JP2000185349A
Other languages
Japanese (ja)
Other versions
JP4622051B2 (en
Inventor
Katsumi Kakinuma
勝美 柿沼
Takeshi Kimikado
武 公門
Shigeo Shimada
繁雄 島田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Original Assignee
IHI Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IHI Corp filed Critical IHI Corp
Priority to JP2000185349A priority Critical patent/JP4622051B2/en
Publication of JP2002004883A publication Critical patent/JP2002004883A/en
Application granted granted Critical
Publication of JP4622051B2 publication Critical patent/JP4622051B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00Restoring or reconditioning objects
    • B23P6/002Repairing turbine components, e.g. moving or stationary blades, rotors
    • B23P6/005Repairing turbine components, e.g. moving or stationary blades, rotors using only replacement pieces of a particular form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

PROBLEM TO BE SOLVED: To improve workability for restoring a blade. SOLUTION: This method, restoring the tip end of a restoration objective blade to the shape of a regular blade, comprises a process for position aligning a restoring member having a tip end shape of the regular blade to the tip end of the restoration objective blade, a process for butt welding the tip end of the restoration objective blade and the restoring member, and a process for straightening a welded part by the butt welding in the shape of the regular blade.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、翼の修復方法及び
翼修復用治具に係わり、特にジェットエンジンの動翼及
び静翼の修復技術に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wing repair method and a wing repair jig, and more particularly to a technique for repairing a moving blade and a stationary blade of a jet engine.

【0002】[0002]

【従来の技術及び発明が解決しようとする課題】上記動
翼や静翼(以下、単に翼という。)は、耐摩耗性に優れ
た素材からなるが、先端部が摩擦(rubbing)により摩
耗し、該摩耗によってエンジンの性能が経時的に低下す
る。このため定期的に翼の先端部を規定形状に修復する
ことが行われている。従来、この翼の修復では、摩耗し
た先端部に肉盛溶接の手法によって肉盛し、この肉盛部
を手作業によって規定の翼形状に形状整形する。例え
ば、このような翼は素材としてチタン合金から構成され
ているが、当該翼の素材と同様の溶接棒つまりチタン合
金からなる溶接棒を翼の先端部に所定肉厚で肉盛した後
に、所定寸法の翼形状に形状整形を行う。
2. Description of the Related Art The above-mentioned moving blades and stationary blades (hereinafter simply referred to as "blades") are made of a material having excellent wear resistance, but their tips are worn by rubbing. The performance of the engine decreases with time due to the wear. For this reason, the tip of the wing is regularly restored to a prescribed shape. Conventionally, in repairing the wing, the worn tip portion is laid up by a method of overlay welding, and the overlay portion is manually shaped into a prescribed wing shape. For example, such a wing is made of a titanium alloy as a material, but after a welding rod similar to the material of the wing, that is, a welding rod made of a titanium alloy is overlaid at a predetermined thickness on the tip of the wing, a predetermined thickness is formed. Shape shaping to the size of the wing shape.

【0003】しかしながら、上記形状整形は手作業によ
るものであり、極めて作業性が悪い。上記チタン合金等
の翼の素材は、耐摩耗性に優れているため形状整形が容
易ではなく、形状整形に多大な時間と労力を必要とす
る。
[0003] However, the above-mentioned shape shaping is performed manually, and the workability is extremely poor. The blade material such as the titanium alloy described above is excellent in abrasion resistance, so that the shape shaping is not easy, and the shape shaping requires a great deal of time and labor.

【0004】本発明は、上述した問題点に鑑みて成され
たものであり、翼修復の作業性を向上させることを目的
とするものである。
[0004] The present invention has been made in view of the above-mentioned problems, and has as its object to improve the workability of blade repair.

【0005】[0005]

【課題を解決するための手段】上記目的を達成するため
に、本発明では、翼の修復方法に係わる第1の手段とし
て、修復対象翼の先端を正規翼の形状に修復する方法に
おいて、正規翼の先端形状を有する補修部材を修復対象
翼の先端に位置合わせする工程と、前記修復対象翼の先
端と補修部材とを突合溶接する工程と、前記突合溶接に
よる溶接部を正規翼の形状に整形する工程とからなる手
段を採用する。
In order to achieve the above object, according to the present invention, as a first means relating to a method of repairing a wing, a method for repairing the tip of a wing to be repaired to a shape of a regular wing is provided. A step of aligning the repair member having the tip shape of the wing with the tip of the repair target wing, a step of butt welding the tip of the repair target wing and the repair member, and forming a weld portion by the butt welding into a regular wing shape. And a shaping step.

【0006】また、翼の修復方法に係わる第2の手段と
して、上記第1の手段において、修復対象翼と補修部材
とを突合溶接する場合に、補修部材と修復対象翼との突
合位置を溶接用不活性ガスの吹出口上に位置設定し、修
復対象翼及び補修部材を挟んで吹出口の反対側から突合
部を加熱するという手段を採用する。
As a second means relating to a method of repairing a wing, in the above-mentioned first means, when the repair target wing and the repair member are butt-welded, a welding position of the repair member and the repair target wing is welded. Means is adopted in which the position is set on the outlet of the inert gas for use and the abutting portion is heated from the opposite side of the outlet with the wing to be repaired and the repair member interposed therebetween.

【0007】一方、翼修復用治具に係わる手段として、
本発明では、修復対象翼の先端を正規翼の形状に修復す
る際に使用する翼修復用治具において、溶接用不活性ガ
スの吹出口が設けられた第1の翼保持用部材と、突合溶
接用窓部が設けられた第2の翼保持用部材とからなり、
これら第1の翼保持用部材と第2の翼保持用部材とによ
って、修復対象翼の先端に位置合わせされた正規翼の先
端形状の補修部材と前記修復対象翼の先端とを、補修部
材及び修復対象翼の突合部が前記加熱用窓部に位置する
ように挟持すると共に、前記吹出口から突合部に向けて
溶接用不活性ガスを吹き出すという手段を採用する。
On the other hand, as means relating to the wing repair jig,
According to the present invention, in a wing repair jig used to repair the tip of a wing to be repaired to a regular wing shape, the wing repair jig is provided with a first wing holding member provided with a welding inert gas outlet. A second wing holding member provided with a welding window,
With the first wing holding member and the second wing holding member, the repair member having the tip shape of the regular wing positioned at the tip of the repair target wing and the tip of the repair target wing are replaced with a repair member and Means is adopted in which the abutting portion of the repair target wing is sandwiched so as to be located at the heating window portion, and an inert gas for welding is blown from the outlet to the abutting portion.

【0008】[0008]

【発明の実施の形態】以下、図面を参照して、本発明に
係わる翼の修復方法及び翼修復用治具の一実施形態につ
いて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a wing repair method and a wing repair jig according to the present invention will be described with reference to the drawings.

【0009】図1は、本実施形態における翼修復用治具
の構成及び当該翼修復用治具に対する修復対象翼及び補
修部材の配置状態を示す斜視図である。この図におい
て、符号1は第1保持金具(第1の翼保持用部材)、2
は第2保持金具(第2の翼保持用部材)、3は修復対象
翼、4は補修部材、5A〜5Dはボルト及び6A〜6D
はナットである。これら構成要素のうち、第1保持金具
1、第2保持金具2、ボルト5A〜5D及びナット6A
〜6Dは、本実施形態における翼修復用治具を構成する
ものである。
FIG. 1 is a perspective view showing a configuration of a wing repair jig according to the present embodiment and an arrangement state of a wing to be repaired and a repair member with respect to the wing repair jig. In this figure, reference numeral 1 denotes a first holding bracket (first wing holding member), 2
Is a second holding bracket (second wing holding member), 3 is a wing to be repaired, 4 is a repair member, 5A to 5D are bolts and 6A to 6D.
Is a nut. Among these components, the first holding fitting 1, the second holding fitting 2, the bolts 5A to 5D, and the nut 6A
6D constitute a wing repair jig in the present embodiment.

【0010】第1保持金具1は、方形状の板材1aと、
該板材1aに貫通状態で固定されたパイプ1bと、板材
1aの表面中央部に一列に配置されると共に上記パイプ
1bに連通する複数の吹出口1cとから構成されてい
る。第2保持金具2は、上記板材1aと同形状の板材2
aと、該板材2aの中央部に開口する突合溶接用窓部2
bとから構成されている。修復対象翼3は、本来形状の
正規翼に対して先端部が摩耗したものであり、例えばチ
タン合金(チタン−ニッケル合金)製である。
[0010] The first holding metal fitting 1 comprises a square plate material 1a,
It comprises a pipe 1b fixed to the plate 1a in a penetrating state, and a plurality of outlets 1c arranged in a line at the center of the surface of the plate 1a and communicating with the pipe 1b. The second holding member 2 is a plate member 2 having the same shape as the plate member 1a.
and a butt welding window 2 opening at the center of the plate 2a.
b. The repair target wing 3 has a tip portion worn away from the normal shape original wing, and is made of, for example, a titanium alloy (titanium-nickel alloy).

【0011】補修部材4は、上記正規翼の先端形状と同
形状に形成されると共に、その肉厚Dは上記修復対象翼
3の摩耗量とほぼ同等に設定されている。この補修部材
4の素材は、上記修復対象翼3と同様にチタン合金であ
る。ボルト5A〜5D及びナット6A〜6Dは、図示す
るように、上記修復対象翼3と補修部材4とを挟んだ状
態で第1保持金具1と第2保持金具2とを互いに固定す
るためのものである。
The repair member 4 is formed in the same shape as the tip shape of the regular wing, and the thickness D thereof is set to be substantially equal to the wear amount of the wing 3 to be repaired. The material of the repair member 4 is a titanium alloy, similarly to the repair target wing 3. As shown, the bolts 5A to 5D and the nuts 6A to 6D are for fixing the first holding fitting 1 and the second holding fitting 2 to each other while sandwiching the repair target wing 3 and the repair member 4 therebetween. It is.

【0012】次に、上記構成の翼修復用治具を用いた修
復対象翼3の修復方法について、図2及び図3をも参照
して詳しく説明する。
Next, a method of repairing the wing 3 to be repaired using the wing repair jig having the above structure will be described in detail with reference to FIGS.

【0013】〔位置合工程〕まず、修復対象翼3と補修
部材4とを第1保持金具1の表面上で所定位置に位置合
わせする。すなわち、図1に示すように、一列に配置さ
れ吹出口1cの配列位置と補修部材4の端面4aとが同
位置となるように補修部材4を第1保持金具1上に配置
する。そして、修復対象翼3の先端面3aが上記端面4
aと当接するように、すなわち修復対象翼3の先端面3
aが吹出口1cの配列位置と同位置となるように修復対
象翼3を第1保持金具1上に配置する。
[Positioning Step] First, the repair target wing 3 and the repair member 4 are positioned at predetermined positions on the surface of the first holding fitting 1. That is, as shown in FIG. 1, the repair member 4 is arranged on the first holding fitting 1 so that the arrangement position of the blowout ports 1 c and the end surface 4 a of the repair member 4 are at the same position. The tip surface 3a of the wing 3 to be repaired is
a, that is, the tip surface 3 of the repair target wing 3
The repair target wing 3 is arranged on the first holding fitting 1 so that a is at the same position as the arrangement position of the outlets 1c.

【0014】以上によって、修復対象翼3の先端面3a
と補修部材4の端面4aとが一列に配置され吹出口1c
の配列位置に沿うように位置合わせされる。この位置合
わせが終了すると、図2に示すように、ボルト5A〜5
D及びナット6A〜6Dによって第1保持金具1と第2
保持金具2とが互いに固定され、第1保持金具1と第2
保持金具2とによって修復対象翼3及び補修部材4が第
1保持金具1と第2保持金具2との間に挟持状態に保持
固定される。
As described above, the tip surface 3a of the wing 3 to be repaired
And the end face 4a of the repair member 4 are arranged in a line and the outlet 1c
Are aligned along the array position of. When this alignment is completed, as shown in FIG.
D and nuts 6A to 6D for the first holding fitting 1 and the second holding fitting 1.
The holding fitting 2 is fixed to each other, and the first holding fitting 1 and the second holding fitting 2 are fixed.
The repair target wing 3 and the repair member 4 are held and fixed between the first holding fitting 1 and the second holding fitting 2 by the holding fitting 2.

【0015】〔溶接工程〕続いて、当接状態にある上記
先端面3aと端面4aと、つまり修復対象翼3と補修部
材4との突合部を溶接(突合溶接)する。なお、この突
合溶接に先立って、外部のアルゴンガス源(図示略)か
らパイプ1bにアルゴンガスが供給され、各吹出口1c
から上記突合部にアルゴンガスが吹き付けられる。この
結果、当該突合部近傍は、突合部に沿って位置する各吹
出口1cから吹き出されるアルゴンガスによって効果的
に不活性ガス雰囲気とされる。そして、この不活性ガス
雰囲気下において、突合溶接用窓部2に露出する突合部
を溶接トーチによって加熱して突合溶接する。
[Welding Step] Subsequently, the abutting portion between the abutting end surface 3a and the end surface 4a, that is, the abutting portion between the repair target wing 3 and the repair member 4 is welded (butt welding). Prior to this butt welding, an argon gas is supplied from an external argon gas source (not shown) to the pipe 1b, and each outlet 1c
From above, an argon gas is blown to the abutting portion. As a result, the vicinity of the abutting portion is effectively made into an inert gas atmosphere by the argon gas blown out from each outlet 1c located along the abutting portion. Then, in this inert gas atmosphere, the butted portion exposed to the butted welding window portion 2 is heated by a welding torch to perform a butt welding.

【0016】〔整形工程〕図3は、上記突合溶接の結
果、先端に補修部材4が溶接接合された修復対象翼3を
示している。この図において、符号Xは溶接部であり、
上記突合部近傍に相当する部分である。このように溶接
部Xは、修復対象翼3及び補修部材4に対して多少盛り
上がった状態となるので、当該溶接部Xを正規翼の形状
となるように整形する。
[Shaping Step] FIG. 3 shows the repair target wing 3 to which the repair member 4 is welded to the tip as a result of the butt welding. In this figure, the symbol X is a weld,
This is a portion corresponding to the vicinity of the abutting portion. As described above, since the welded portion X is slightly raised with respect to the repair target wing 3 and the repair member 4, the welded portion X is shaped so as to have a regular blade shape.

【0017】この溶接部Xは、修復対象翼3と補修部材
4との突合部近傍の限られた領域であり、従来の肉盛溶
接による補修に比較して整形範囲が狭い。また、従来で
は肉盛溶接部分を全体的に正規翼の先端形状に整形する
必要があったが、本実施形態では、補修部材4は予め正
規翼の先端形状に整形されているので、整形が容易であ
る。したがって、本実施形態によれば、上述のように整
形工程が容易になる分作業時間が短縮されて、翼修復の
作業性を向上させることが可能である。
The welded portion X is a limited area near the abutting portion between the repair target wing 3 and the repair member 4, and has a narrower shaping range as compared with the conventional repair by overlay welding. Further, in the past, it was necessary to shape the build-up welded portion as a whole into the tip shape of the regular wing, but in the present embodiment, the repairing member 4 is shaped in advance into the tip shape of the regular wing. Easy. Therefore, according to this embodiment, as described above, the shaping process is facilitated, so that the work time is shortened, and the workability of the wing repair can be improved.

【0018】[0018]

【発明の効果】以上説明したように、本発明に係わる翼
の修復方法及び翼修復用治具によれば、以下のような効
果を奏する。
As described above, according to the wing repair method and the wing repair jig according to the present invention, the following effects can be obtained.

【0019】(1)請求項1記載の発明によれば、突合
溶接部の形状整形のみを行えば良いので、従来の肉盛溶
接部の形状整形に比較して形状整形作業が簡単であり、
翼修復の作業性を向上させることが可能である。
(1) According to the first aspect of the present invention, since only the shape of the butt-welded portion needs to be shaped, the shape-shaping operation is simpler than the conventional shape-forming of the overlay welding portion.
It is possible to improve the workability of the wing repair.

【0020】(2)請求項2記載の発明によれば、突合
溶接する場合に突合部を溶接用不活性ガスの吹出口上に
位置設定し、かつ修復対象翼及び補修部材を挟んで吹出
口の反対側から突合部を加熱するので、突合部近傍を確
実に不活性ガス雰囲気とすることが可能であり、安定し
た溶接品質を実現することが可能である。
(2) According to the second aspect of the present invention, in the case of butt welding, the butt portion is set on the welding inert gas outlet, and the wing and the repair member are sandwiched by the outlet. Is heated from the opposite side, it is possible to reliably make the vicinity of the abutting portion an inert gas atmosphere, and to realize stable welding quality.

【0021】(3)請求項3記載の発明によれば、第1
の翼保持用部材と第2の翼保持用部材とによって突合状
態の修復対象翼の先端と補修部材とを挟持すると共に、
吹出口から突合部に向けて溶接用不活性ガスを吹き出
し、かつ、第2の翼保持用部材の突合溶接用窓部から突
合部を溶接するので、修復対象翼と補修部材との突合溶
接を効率良く行うことができると共に、突合部近傍を確
実に不活性ガス雰囲気として安定した溶接品質を実現す
ることが可能である。
(3) According to the third aspect of the invention, the first
The tip of the wing to be repaired in the abutted state and the repairing member are sandwiched by the wing holding member and the second wing holding member, and
Since the welding inert gas is blown out from the outlet toward the butting portion, and the butting portion is welded from the butting welding window portion of the second wing holding member, the butt welding between the repair target wing and the repair member is performed. The welding can be performed efficiently, and stable welding quality can be realized by reliably setting the vicinity of the abutting portion to an inert gas atmosphere.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明の一実施形態において、翼修復用治具
の構成及び当該翼修復用治具に対する修復対象翼及び補
修部材の配置状態を示す斜視図である。
FIG. 1 is a perspective view showing a configuration of a wing repair jig and an arrangement state of a repair target wing and a repair member with respect to the wing repair jig in one embodiment of the present invention.

【図2】 本発明の一実施形態において、翼修復用治具
によって修復対象翼と補修部材とを固定した状態を示す
斜視図である。
FIG. 2 is a perspective view showing a state in which a repair target wing and a repair member are fixed by a wing repair jig in one embodiment of the present invention.

【図3】 本発明の一実施形態において、突合溶接され
た翼の状態を示す斜視図である。
FIG. 3 is a perspective view showing a state of a butt welded butt in one embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1……第1保持金具(第1の翼保持用部材) 2……第2保持金具(第2の翼保持用部材) 3……修復対象翼 4……補修部材 5A〜5D……ボルト 6A〜6D……ナット X……溶接部 DESCRIPTION OF SYMBOLS 1 ... 1st holding | maintenance metal fitting (1st wing holding | maintenance member) 2 ... 2nd holding | maintenance metal fittings (2nd wing holding | maintenance member) 3 ... Wing to be repaired 4 ... Repair member 5A-5D ... Bolt 6A ~ 6D ... Nut X ... Weld

───────────────────────────────────────────────────── フロントページの続き (72)発明者 島田 繁雄 東京都西多摩郡瑞穂町殿ケ谷229番地 石 川島播磨重工業株式会社瑞穂工場内 Fターム(参考) 3G002 BA02 BA06 BA10 BB00 GA07 GA12 GB00  ────────────────────────────────────────────────── ─── Continued on the front page (72) Shigeo Shimada, Inventor F-term in Mizuho Plant, Mizuho-cho, Nishitama-gun, Tokyo 229 F-term in Mizuho Plant (Reference) 3G002 BA02 BA06 BA10 BB00 GA07 GA12 GB00

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 修復対象翼の先端を正規翼の形状に修復
する方法であって、 正規翼の先端形状を有する補修部材を修復対象翼の先端
に位置合わせする工程と、 前記修復対象翼の先端と補修部材とを突合溶接する工程
と、 前記突合溶接による溶接部を正規翼の形状に整形する工
程と、 からなることを特徴とする翼の修復方法。
1. A method of restoring a tip of a repair target wing to a shape of a normal wing, comprising: aligning a repair member having a tip shape of the normal wing with a tip of the repair target wing; A method of repairing a wing, comprising: a step of butt welding a tip and a repair member; and a step of shaping a welded portion by the butt welding into a regular wing shape.
【請求項2】 修復対象翼と補修部材とを突合溶接する
場合、補修部材と修復対象翼との突合位置を溶接用不活
性ガスの吹出口上に位置設定し、修復対象翼及び補修部
材を挟んで吹出口の反対側から突合部を加熱することを
特徴とする請求項1記載の翼の修復方法。
2. When the repair target wing and the repair member are butt-welded, the butting position between the repair member and the repair target wing is set on the welding inert gas outlet, and the repair target wing and the repair member are joined together. The method for repairing a wing according to claim 1, wherein the abutting portion is heated from the side opposite to the outlet with the sandwiched portion.
【請求項3】 修復対象翼の先端を正規翼の形状に修復
する際に使用する翼修復用治具であって、 溶接用不活性ガスの吹出口が設けられた第1の翼保持用
部材と、 突合溶接用窓部が設けられた第2の翼保持用部材とから
なり、 これら第1の翼保持用部材と第2の翼保持用部材とによ
って、修復対象翼の先端に位置合わせされた正規翼の先
端形状の補修部材と前記修復対象翼の先端とを、補修部
材及び修復対象翼の突合部が前記加熱用窓部に位置する
ように挟持すると共に、前記吹出口から突合部に向けて
溶接用不活性ガスを吹き出すことを特徴とする翼修復用
治具。
3. A wing repair jig used for repairing a tip of a wing to be repaired into a shape of a regular wing, wherein the first wing holding member provided with a welding inert gas outlet. And a second wing holding member provided with a butt welding window. The first wing holding member and the second wing holding member are aligned with the tip of the wing to be repaired. The repair member having the tip shape of the regular wing and the tip of the wing to be repaired are sandwiched so that the abutting portion of the repairing member and the wing to be repaired are located in the heating window, and the abutting portion is formed from the outlet to the abutting portion. A wing repair jig characterized by blowing out inert gas for welding.
JP2000185349A 2000-06-20 2000-06-20 Wing repair jig Expired - Fee Related JP4622051B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000185349A JP4622051B2 (en) 2000-06-20 2000-06-20 Wing repair jig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000185349A JP4622051B2 (en) 2000-06-20 2000-06-20 Wing repair jig

Publications (2)

Publication Number Publication Date
JP2002004883A true JP2002004883A (en) 2002-01-09
JP4622051B2 JP4622051B2 (en) 2011-02-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP4622051B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012017720A (en) * 2010-07-09 2012-01-26 Ihi Corp Repairing method and integrated impeller
EP2327505A3 (en) * 2009-11-25 2015-04-15 United Technologies Corporation Welding repair method
KR20190023261A (en) * 2017-08-28 2019-03-08 주식회사휴비스 Jig for welding
KR102000284B1 (en) * 2018-07-18 2019-07-15 박영철 Welding jig
WO2021246247A1 (en) * 2020-06-03 2021-12-09 Dmg森精機株式会社 Method of reprocessing metal product
KR102380119B1 (en) * 2020-09-25 2022-03-29 한국기계연구원 Jig of induction magnet type for fixing ultra-thin plates and operation method thereof
CN114918527A (en) * 2022-05-20 2022-08-19 中国航空制造技术研究院 Linear friction welding clamping device of long blade

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63295802A (en) * 1987-05-28 1988-12-02 Toshiba Corp Repairing of nozzle plate of steam turbine
JPH05285675A (en) * 1992-04-13 1993-11-02 Toshiba Corp Method for repairing moving blade
JPH0666880U (en) * 1993-02-16 1994-09-20 いすゞ自動車株式会社 Laser welding machine
US5735044A (en) * 1995-12-12 1998-04-07 General Electric Company Laser shock peening for gas turbine engine weld repair

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63295802A (en) * 1987-05-28 1988-12-02 Toshiba Corp Repairing of nozzle plate of steam turbine
JPH05285675A (en) * 1992-04-13 1993-11-02 Toshiba Corp Method for repairing moving blade
JPH0666880U (en) * 1993-02-16 1994-09-20 いすゞ自動車株式会社 Laser welding machine
US5735044A (en) * 1995-12-12 1998-04-07 General Electric Company Laser shock peening for gas turbine engine weld repair

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2327505A3 (en) * 2009-11-25 2015-04-15 United Technologies Corporation Welding repair method
JP2012017720A (en) * 2010-07-09 2012-01-26 Ihi Corp Repairing method and integrated impeller
KR20190023261A (en) * 2017-08-28 2019-03-08 주식회사휴비스 Jig for welding
KR101997769B1 (en) * 2017-08-28 2019-07-08 주식회사 휴비스 Jig for welding
KR102000284B1 (en) * 2018-07-18 2019-07-15 박영철 Welding jig
WO2021246247A1 (en) * 2020-06-03 2021-12-09 Dmg森精機株式会社 Method of reprocessing metal product
JP2021186950A (en) * 2020-06-03 2021-12-13 Dmg森精機株式会社 Reprocessing method for metal product
KR102380119B1 (en) * 2020-09-25 2022-03-29 한국기계연구원 Jig of induction magnet type for fixing ultra-thin plates and operation method thereof
CN114918527A (en) * 2022-05-20 2022-08-19 中国航空制造技术研究院 Linear friction welding clamping device of long blade
CN114918527B (en) * 2022-05-20 2023-04-14 中国航空制造技术研究院 Linear friction welding clamping device of long blade

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