JPH1177351A - Stainless steel non-magnetic shape steel, and its manufacture - Google Patents

Stainless steel non-magnetic shape steel, and its manufacture

Info

Publication number
JPH1177351A
JPH1177351A JP10176857A JP17685798A JPH1177351A JP H1177351 A JPH1177351 A JP H1177351A JP 10176857 A JP10176857 A JP 10176857A JP 17685798 A JP17685798 A JP 17685798A JP H1177351 A JPH1177351 A JP H1177351A
Authority
JP
Japan
Prior art keywords
welding
stainless steel
steel
laser
type detector
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
Application number
JP10176857A
Other languages
Japanese (ja)
Inventor
Yasuo Takagi
靖夫 高木
Katsuji Motoe
克次 本江
Hiromi Chiba
弘美 千葉
Takanori Igarashi
貴教 五十嵐
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.)
Topy Industries Ltd
Original Assignee
Topy Industries Ltd
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 Topy Industries Ltd filed Critical Topy Industries Ltd
Priority to JP10176857A priority Critical patent/JPH1177351A/en
Publication of JPH1177351A publication Critical patent/JPH1177351A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B23K2103/05—Stainless steel

Landscapes

  • Laser Beam Processing (AREA)

Abstract

PROBLEM TO BE SOLVED: To manufacture a shape steel which is perfect non-magnetic steel and sufficient in welding strength by achieving the copy welding of a long member consisting of austenitic stainless steel with the YAG laser beam in which the effective range of the depth of focus is expanded by increasing the beam radius while detecting a weld seam by a contact type detector. SOLUTION: A shape steel is a long plate 1-6 mm to 1-12 mm in thickness and >=2 m in length. In welding the plate, a member 2 to be welded is placed on a frame 1, a traveling truck 9 on which a copying device 3 is loaded is mounted on rail 11 on a base, and traveled parallel to the member 2 to be welded. A contact type detector 5 and a laser beam machining head 6 are arranged along the weld seam, and fixed to an arm 10 of the copying device 3 in a movable manner together with the traveling truck 9. The contact type detector 5 has ±0.1 mm in detection accuracy, 0.7-1.0 mm in beam radius, and 300-2000 mm/min in welding speed, and the required welding depth is secured without causing deviation from the weld seam.

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】この発明は、完全非磁性且つ
十分な強度を有するＨ形鋼のようなステンレス製形鋼及
び該形鋼の製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a section made of stainless steel such as H-section steel, which is completely non-magnetic and has sufficient strength, and a method for producing the section.

【０００２】[0002]

【従来の技術】オーステナイト系ステンレス鋼（ＳＵＳ
３０４等）は、金属組織がオーステナイト単層のため、
非磁性鋼として、ＭＲＩ・リニアモーターカー関係の架
台等に利用されている。2. Description of the Related Art Austenitic stainless steel (SUS)
304)) is a single-layer austenitic metal structure.
It is used as a nonmagnetic steel for mounts related to MRI and linear motor cars.

【０００３】オーステナイト系ステンレス鋼から形鋼を
形成するＣＯ2アーク溶接では、高温割れの緩和から、
ワイヤーに数％のフェライトが生成するような成分を添
加しているため、溶接金属には数％のフェライトが発生
する。そのため、溶接接合構造では、母材と同等の完全
非磁性にはならない。[0003] In the CO 2 arc welding for forming a shaped steel from austenitic stainless steel, the hot cracking is reduced by
Since a component that generates several percent of ferrite is added to the wire, several percent of ferrite is generated in the weld metal. Therefore, the welded structure does not become completely non-magnetic equivalent to the base material.

【０００４】また、フイラーワイヤーを添加しないで溶
接するいわゆるナメ付け溶接のＴＩＧ溶接では、ワイヤ
ーを添加しないため完全非磁性ではあるが、ナメ付けの
ために溶け込みが浅いので、十分な継ぎ手強度が得られ
ない。[0004] In addition, in TIG welding of so-called name welding, in which welding is performed without adding a filler wire, the wire is completely non-magnetic because no wire is added, but since the penetration is shallow due to the name, the joint strength is sufficient. I can't.

【０００５】[0005]

【発明が解決しようとする課題】従って、従来の溶接方
法によったのでは、完全非磁性で且つ十分な継ぎ手強度
が得られる形鋼を製造することはできなかった。Therefore, according to the conventional welding method, it has not been possible to produce a section steel which is completely non-magnetic and has sufficient joint strength.

【０００６】そのためそれほどの強度を必要としない場
合は、ＴＩＧナメ付けによって形鋼を製造していた。完
全非磁性且つ強度部材の必要がある場合は、圧延による
かボルト等を使用した接合法が考えられる。[0006] Therefore, when not much strength is required, the section steel has been manufactured by TIG naming. When a completely non-magnetic and strong member is required, a joining method using rolling or using a bolt or the like can be considered.

【０００７】しかしながら、圧延による方法は、相当大
量に生産する場合でないと、コスト的な理由で適用し得
ないし、ボルト等を使用する方法は、強度的に問題があ
る。However, the method by rolling cannot be applied for cost reasons unless it is produced in a considerably large amount, and the method using bolts or the like has a problem in strength.

【０００８】この発明のうち請求項１に記載の発明は、
十分な継ぎ手強度を保持し、しかも母材と同程度の完全
非磁性な形鋼を溶接によって提供することを目的とす
る。[0008] The invention described in claim 1 of the present invention,
An object of the present invention is to provide, by welding, a completely non-magnetic section steel which has a sufficient joint strength and is substantially the same as a base metal.

【０００９】請求項３に記載の発明は、上記非磁性形鋼
を工業的に容易且つ安価に製造することができる製造方
法を提供することを目的とする。Another object of the present invention is to provide a method for manufacturing the nonmagnetic section steel easily and inexpensively industrially.

【００１０】[0010]

【課題を解決するための手段】上記目的に沿う請求項１
に記載の発明の構成は、オーステナイト系ステンレス鋼
からなる長尺部材を、レーザ倣い溶接による部材の溶か
し込みだけの完全溶け込み溶接により接合して、形鋼に
形成したことを特徴とする。According to the present invention, there is provided a semiconductor device comprising:
The invention described in (1) is characterized in that a long member made of austenitic stainless steel is joined by full penetration welding only by melting the member by laser scanning welding to form a shaped steel.

【００１１】また、請求項３に記載の発明は、オーステ
ナイト系ステンレス鋼からなる長尺部材を接合する溶接
線を、接触式検知器で検知しながら、従来よりビ−ム径
を大きくし焦点深度の有効範囲を広げたＹＡＧレ−ザに
よって、倣い溶接することを特徴とする。According to a third aspect of the present invention, while detecting a welding line joining a long member made of austenitic stainless steel with a contact-type detector, the beam diameter is made larger than before so as to increase the depth of focus. Profile welding is performed by using a YAG laser having an expanded effective range.

【００１２】要するに請求項１に記載の発明は、レーザ
溶接とすることによって、オーステナイト系ステンレス
鋼の非磁性特性を損なわず、しかも倣い溶接により深い
溶接を可能としたことによって、十分な強度の形鋼を形
成したことを要旨とするものである。In short, the first aspect of the present invention is to provide a laser welding method that does not impair the non-magnetic properties of austenitic stainless steel and that enables deep welding by copy welding to achieve a sufficient strength. The gist is that steel is formed.

【００１３】従来のレ−ザ溶接は、テイ−チング方式で
あり、２ｍｍ以下の板厚に対して、熱をかけすぎると、
部材が反って溶接線から外れるので、入熱制御をするた
め２〜１０ｍ／分の高速溶接を行っていたから、必要な
溶け込み深さが得られ難く、形鋼としての必要な強度は
得られなかった。[0013] Conventional laser welding is a teaching method, and if a plate thickness of 2 mm or less is heated too much,
Since the member was distorted from the welding line and high-speed welding was performed at 2 to 10 m / min to control the heat input, the required penetration depth was difficult to obtain, and the required strength as a shaped steel could not be obtained. .

【００１４】本発明は、接触式検知器で溶接線を検知す
るので、溶接速度を遅くすることができ、必要な溶け込
み深さが容易に得られるものである。従来、レーザ溶接
で接触式検知器を使用する方法は全く行われていない。
これは、従来は、ＣＯ2 レーザ溶接であったので、装
置が大型となるので、これを移動させることは、困難で
あったからである。In the present invention, since the welding line is detected by the contact type detector, the welding speed can be reduced, and the necessary penetration depth can be easily obtained. Conventionally, there has been no method of using a contact type detector in laser welding.
This is because conventionally, CO 2 laser welding was used, so that the apparatus became large, and it was difficult to move the apparatus.

【００１５】本発明では、ＹＡＧレーザを使用すること
によって、ＹＡＧレーザが光フアイバーで転送できるの
で、倣い装置に容易に取り付けることができるから、接
触式検知器を使用する倣い溶接が可能となったものであ
る。According to the present invention, since the YAG laser can be transmitted by the optical fiber by using the YAG laser, the YAG laser can be easily attached to the copying apparatus. Therefore, the copying welding using the contact type detector can be performed. Things.

【００１６】請求項３に記載の発明では、従来よりもビ
ーム径を大きくし、焦点深度の有効範囲を広げたＹＡＧ
レーザを使用することによって、溶接線の目はずれを起
こし難くし、必要な溶け込み深さを容易に得ることがで
きるようにしている。According to the third aspect of the present invention, the YAG has a larger beam diameter and a wider effective range of the depth of focus than conventional ones.
The use of the laser makes it difficult for the weld line to be misaligned, and makes it possible to easily obtain the necessary penetration depth.

【００１７】[0017]

【発明の実施の形態】次に、本発明の実施の形態を説明
する。本発明で使用するステンレス鋼としては、オース
テナイト系ステンレス鋼であれば、どのような材質でも
差し支えない。Next, an embodiment of the present invention will be described. As the stainless steel used in the present invention, any material may be used as long as it is an austenitic stainless steel.

【００１８】本発明で製作する形鋼としては、例えばＨ
形鋼、Ｔ形鋼、Ｃ、Ｌ形鋼及びコラム等が挙げられる。
溶接するそれぞれの板厚は、特に限定されないが、１〜
１２ｍｍとするのが、ＹＡＧレーザで支障なく製造でき
ることから好ましい。特にＨ形鋼の場合は、ウエブ部板
厚１〜８ｍｍ、フランジ部板厚１〜１２ｍｍとするのが
好ましい。Examples of the shape steel manufactured in the present invention include H
Shaped steel, T-shaped steel, C, L-shaped steel, column, and the like.
The thickness of each plate to be welded is not particularly limited.
It is preferable that the thickness be 12 mm because the YAG laser can be used for manufacturing without any trouble. In particular, in the case of an H-section steel, the thickness of the web portion is preferably 1 to 8 mm, and the thickness of the flange portion is preferably 1 to 12 mm.

【００１９】本発明の倣い溶接に使用するレ−ザ発振機
としては、ＹＡＧレ−ザ発振機を使用するのがよい。Ｙ
ＡＧレ−ザは、イットリウム−アルミニウム−ガ−ネッ
ト単結晶に、希土類元素のネオジウムを添加した固体を
媒体とした波長１．０６μｍの近赤外線に属するレ−ザ
光である。As the laser oscillator used for the profile welding of the present invention, a YAG laser oscillator is preferably used. Y
The AG laser is a laser beam belonging to the near-infrared ray having a wavelength of 1.06 μm using a solid obtained by adding a rare earth element neodymium to a single crystal of yttrium-aluminum-garnet.

【００２０】従来使用されていたＹＡＧレ−ザのビ−ム
径は、０．５ｍｍ程度であった。本発明では、長尺部材
を溶接するが、そのためにはビ−ム径を０．７ｍｍ〜
１．０ｍｍにするのが良い。この範囲内であれば、溶接
線の目はずれが起こり難くなることと、必要な溶け込み
深さが容易に得られるからである。The beam diameter of a conventionally used YAG laser was about 0.5 mm. In the present invention, a long member is welded.
It is good to be 1.0 mm. Within this range, the weld line is less likely to be stuck and the required penetration depth can be easily obtained.

【００２１】例えば、従来使用されていた１００ｍｍの
標準レンズに変えて、１６０ｍｍのレンズを使用する
と、ビ−ム径は０．７ｍｍ程度となり、焦点深度の有効
範囲を２ｍｍ程度広くできる。その結果、倣い溶接によ
って、長尺の薄板が若干変形しても、溶接線の目はずれ
が起こり難くなる。ビ−ム径を１．０ｍｍより大きくす
ると、溶接ビ−ド幅が広くなり、レーザ溶接の持つ高意
匠性が損なわれるので好ましくない。For example, if a 160 mm lens is used instead of the conventional 100 mm standard lens, the beam diameter becomes about 0.7 mm, and the effective range of the depth of focus can be widened by about 2 mm. As a result, even if the long thin plate is slightly deformed by the copying welding, the weld line is less likely to be misaligned. If the beam diameter is larger than 1.0 mm, the weld bead width is increased, and the high designability of laser welding is undesirably deteriorated.

【００２２】本発明では、１〜１２ｍｍ程度の板厚の長
尺材を溶接するのに適しているが、強度上の理由から、
薄板の厚さに応じて１〜９ｍｍ程度の溶け込み深さが必
要である。このような溶け込み深さを得るため、溶接速
度は、３００〜２０００ｍｍ／分程度、好ましくは３０
０〜１５００ｍｍ／分と、従来のレ−ザ溶接に比べて遅
い速度とするのが良い。In the present invention, it is suitable for welding a long material having a thickness of about 1 to 12 mm.
A penetration depth of about 1 to 9 mm is required depending on the thickness of the thin plate. In order to obtain such a penetration depth, the welding speed is about 300 to 2000 mm / min, preferably 30 to 2000 mm / min.
It is preferable to set the speed to 0 to 1500 mm / min, which is lower than that of the conventional laser welding.

【００２３】本発明では、ステンレス製長尺部材の厚さ
は、１〜６ｍｍの場合が特に効果的である。このような
薄板を従来のＴＩＧ溶接で接合したのでは、反ったりす
るため、満足な外観のものが得られなかったからであ
る。In the present invention, it is particularly effective when the thickness of the stainless steel long member is 1 to 6 mm. If such thin plates were joined by conventional TIG welding, they would warp, and a satisfactory appearance could not be obtained.

【００２４】図１及び図２は、本発明の製法に使用する
溶接装置を示すものであり、溶接架台１には、長尺の被
溶接部材２が載置されている。倣い装置３を載せた走行
台車９は、溶接架台１を載置した基台４に固定されたレ
−ル１１上を、長尺の被溶接部材２と平行に走行するよ
うになっている。FIGS. 1 and 2 show a welding apparatus used in the manufacturing method of the present invention. A long welding member 2 is placed on a welding stand 1. A traveling carriage 9 on which the copying apparatus 3 is mounted travels on a rail 11 fixed to the base 4 on which the welding gantry 1 is mounted, in parallel with the long workpiece 2.

【００２５】接触式検知器５及びレ−ザ加工ヘッド６
は、被溶接部材２の溶接線を倣うように配設され、倣い
装置３のア−ム１０に固定され、走行台車３と一緒に移
動するようになっている。接触式検知器５で溶接線を検
知すると、その信号に応じてレ−ザ加工ヘッド６は、溶
接線にレ−ザを当てるように制御されている。Contact type detector 5 and laser processing head 6
Are arranged so as to follow the welding line of the workpiece 2, are fixed to the arm 10 of the copying apparatus 3, and move together with the traveling carriage 3. When the contact type detector 5 detects a welding line, the laser processing head 6 is controlled so as to apply a laser to the welding line according to the signal.

【００２６】レ−ザ加工ヘッド６は、光フアイバ−７を
介して、ＹＡＧレ−ザ発信機（図示省略）に結合されて
いる。接触式検知器５としては、高精度（検知精度±
０．１ｍｍ）の接触式の検知器を使用するのが良く、こ
の検知器５を使用して倣い溶接すれば、倣い精度±０．
３ｍｍとすることができる。The laser processing head 6 is connected via an optical fiber 7 to a YAG laser transmitter (not shown). The contact type detector 5 has high accuracy (detection accuracy ±
It is preferable to use a contact-type detector of 0.1 mm).
It can be 3 mm.

【００２７】このように高精度の接触式検知器を使用
し、ビ−ム径０．７〜１．０ｍｍのＹＡＧレ−ザ発振機
を使用し、加工機移動型の台車方式を採用し、従来のレ
−ザ溶接よりも溶接速度を遅くすることによって、２ｍ
以上の長尺薄板部材のレ−ザ溶接を支障なく実施するこ
とができる。As described above, using a high-precision contact type detector, a YAG laser oscillator having a beam diameter of 0.7 to 1.0 mm, and adopting a bogie system of a processing machine moving type, By making the welding speed slower than conventional laser welding, 2m
Laser welding of the long thin plate member described above can be performed without any trouble.

【００２８】図３及び図４は、Ｈ形鋼（又はＴ形鋼）を
すみ肉溶接によって製作する状態を示すものであり、溶
接速度３００〜２０００ｍｍ／分と従来のレ−ザ溶接よ
りも遅い速度で溶接するので、１〜９ｍｍ程度の大きな
溶け込み深さ８が形成され、高強度の製品が得られる。FIGS. 3 and 4 show a state in which an H-section steel (or a T-section steel) is manufactured by fillet welding. The welding speed is 300 to 2000 mm / min, which is lower than that of conventional laser welding. Since welding is performed at a high speed, a large penetration depth 8 of about 1 to 9 mm is formed, and a high-strength product can be obtained.

【００２９】厚さ３ｍｍで長さ１０ｍのオーステナイト
系ステンレス鋼を使用し、上記方法によってＴ字形鋼に
レーザ溶接し、母材及び溶接部の透磁率とフェライトス
コープによるフェライト量を測定した。結果を次表１に
示す。尚、比較のためＣＯ2溶接とする以外は同様にし
てＴ字形鋼に溶接し、同様に測定した結果を次表１に併
記した。Austenitic stainless steel having a thickness of 3 mm and a length of 10 m was laser-welded to a T-shaped steel by the above method, and the magnetic permeability of the base material and the welded portion and the amount of ferrite by a ferrite scope were measured. The results are shown in Table 1 below. For comparison, welding was performed on a T-shaped steel in the same manner except that CO 2 welding was performed, and the results of the measurement were also shown in Table 1 below.

【００３０】[0030]

【表１】 [Table 1]

【００３１】上記表１から明らかなように、本発明のＴ
字形鋼は、透磁率及びフェライト量とも母材と同程度で
ある。これに対し、従来のＣＯ2溶接によるＴ字形鋼
は、透磁率及びフェライト量のいずれも母材よりも遥か
に大であった。As is apparent from Table 1 above, the T of the present invention
The V-shaped steel has the same magnetic permeability and ferrite content as the base metal. On the other hand, in the conventional T-shaped steel formed by CO 2 welding, both the permeability and the amount of ferrite were much larger than those of the base metal.

【００３２】本発明によれば、オーステナイト系ステン
レス鋼からレーザ溶接によって形鋼を製造するので、高
強度で、しかも完全非磁性形鋼を得ることができる。According to the present invention, since a section steel is manufactured from austenitic stainless steel by laser welding, a high strength and completely non-magnetic section steel can be obtained.

【００３３】また、従来よりビーム径を大きくし、焦点
深度の有効範囲を広げたＹＡＧレーザを使用することに
よって、溶接線の目外れが起こり難くなり、必要な溶け
込み深さが得られるから、上記形鋼が容易に得られる。Further, by using a YAG laser having a larger beam diameter and a wider effective range of the depth of focus than the conventional one, it is difficult for the welding line to be out of alignment, and the necessary penetration depth can be obtained. Shaped steel is easily obtained.

【００３４】[0034]

【発明の効果】以上述べたごとく、本発明のうち請求項
１に記載の発明によれば、従来溶接では製造し得なかっ
た高強度且つ完全非磁性な形鋼を溶接によって形成する
ことができるので、リニアモーターカー等の架台やレー
ル関係の部材として、極めて好適である。As described above, according to the first aspect of the present invention, a high-strength and completely non-magnetic section steel which could not be produced by conventional welding can be formed by welding. Therefore, it is very suitable as a mount for a linear motor car or a member related to rails.

【００３５】また、請求項３に記載の発明によれば、上
記請求項１に記載の非磁性形鋼を工業的に容易且つ低コ
ストで供することができる。According to the third aspect of the present invention, the nonmagnetic section steel according to the first aspect can be provided industrially easily and at low cost.

【００３６】[0036]

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

【図１】本発明の形鋼の製造する状態を示す正面図であ
る。FIG. 1 is a front view showing a state in which a shaped steel of the present invention is manufactured.

【図２】本発明の形鋼の製造する状態を示す側面図であ
る。FIG. 2 is a side view showing a state in which the section steel of the present invention is manufactured.

【図３】本発明の方法によってすみ肉溶接する状態を示
す側面図である。FIG. 3 is a side view showing a state where fillet welding is performed by the method of the present invention.

【図４】図３Ａ部の拡大図である。FIG. 4 is an enlarged view of a portion of FIG. 3A.

【符号の説明】[Explanation of symbols]

２ 被溶接部材 ５ 接触式検知器 ６ レ−ザ式加工ヘッド ８ 溶け込み深さ ９ 走行台車 2 Member to be welded 5 Contact type detector 6 Laser processing head 8 Penetration depth 9 Carriage

フロントページの続き (72)発明者 五十嵐 貴教 東京都千代田区四番町五番地九 トピー工 業株式会社内(72) Inventor Takanori Igarashi

Claims (8)

【特許請求の範囲】[Claims] 【請求項１】オーステナイト系ステンレス鋼からなる長
尺部材を、レーザ倣い溶接による部材の溶かし込みだけ
の溶接により接合して、形鋼に形成したことを特徴とす
るステンレス製非磁性形鋼。1. A non-magnetic stainless steel section formed by joining a long member made of austenitic stainless steel by welding only by melting the member by laser scanning welding to form a shaped steel. 【請求項２】前記レーザ倣い溶接が、ＹＡＧレーザを使
用し、接触式検知器で溶接線を検知する倣い溶接である
請求項１に記載の非磁性形鋼。2. The non-magnetic section steel according to claim 1, wherein the laser scanning welding is a scanning welding using a YAG laser and detecting a welding line with a contact detector. 【請求項３】オーステナイト系ステンレス鋼からなる長
尺部材を接合する溶接線を、接触式検知器で検知しなが
ら、従来よりビ−ム径を大きくし焦点深度の有効範囲を
広げたＹＡＧレ−ザによって、倣い溶接することを特徴
とするステンレス製非磁性形鋼の製造方法。3. A YAG laser having a larger beam diameter and a wider effective depth of focus than conventional ones while detecting a welding line for joining a long member made of austenitic stainless steel with a contact detector. A method for producing a stainless steel non-magnetic section steel by profile welding. 【請求項４】前記ステンレス製長尺部材が、厚さ１〜１
２ｍｍの板材である請求項３に記載の製造方法。4. The stainless steel long member has a thickness of 1 to 1
The manufacturing method according to claim 3, wherein the manufacturing method is a 2 mm plate. 【請求項５】前記ステンレス製長尺部材が、厚さ１〜６
ｍｍの薄板である請求項４に記載の製造方法。5. The stainless steel long member has a thickness of 1-6.
The manufacturing method according to claim 4, wherein the manufacturing method is a thin plate of mm. 【請求項６】前記ステンレス製長尺部材の長さが、２ｍ
以上である請求項３〜５のいずれかに記載の製造方法。6. The length of the stainless steel long member is 2 m.
The manufacturing method according to any one of claims 3 to 5, which is as described above. 【請求項７】前記ＹＡＧレ−ザのビ−ム径が、０．７ｍ
ｍ〜１．０ｍｍである請求項３ないし６のいずれかに記
載の製造方法。7. A beam diameter of said YAG laser is 0.7 m.
The method according to any one of claims 3 to 6, wherein the diameter is from m to 1.0 mm. 【請求項８】前記レ−ザを発するレ−ザ加工ヘッドを移
動させる溶接速度が、３００〜２０００ｍｍ／分である
請求項３〜７のいずれかに記載の製造方法。8. The method according to claim 3, wherein a welding speed at which the laser processing head for emitting the laser is moved is 300 to 2000 mm / min.
JP10176857A 1997-07-16 1998-06-24 Stainless steel non-magnetic shape steel, and its manufacture Pending JPH1177351A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10176857A JPH1177351A (en) 1997-07-16 1998-06-24 Stainless steel non-magnetic shape steel, and its manufacture

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP19092997 1997-07-16
JP9-190929 1997-07-16
JP10176857A JPH1177351A (en) 1997-07-16 1998-06-24 Stainless steel non-magnetic shape steel, and its manufacture

Publications (1)

Publication Number Publication Date
JPH1177351A true JPH1177351A (en) 1999-03-23

Family

ID=26497618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10176857A Pending JPH1177351A (en) 1997-07-16 1998-06-24 Stainless steel non-magnetic shape steel, and its manufacture

Country Status (1)

Country Link
JP (1) JPH1177351A (en)

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