JPH1024348A - Production of quenching and solidified foil for truncated conical ring joining material and roll for producing this foil - Google Patents
Production of quenching and solidified foil for truncated conical ring joining material and roll for producing this foilInfo
- Publication number
- JPH1024348A JPH1024348A JP17832396A JP17832396A JPH1024348A JP H1024348 A JPH1024348 A JP H1024348A JP 17832396 A JP17832396 A JP 17832396A JP 17832396 A JP17832396 A JP 17832396A JP H1024348 A JPH1024348 A JP H1024348A
- Authority
- JP
- Japan
- Prior art keywords
- tapered surface
- roll
- foil
- diameter side
- thickness
- 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
Links
Landscapes
- Continuous Casting (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鋼管等の管同士を
接合する際、接合面に挿入される円錐台リング接合材用
急冷凝固箔の製造方法および製造用ロールに関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and a roll for manufacturing a rapidly solidified foil for a frusto-conical ring joining material inserted into a joining surface when joining tubes such as steel tubes.
【０００２】[0002]
【従来の技術】鋼管等の管同士の接合手段として、図５
に示すような方法がある。すなわち、接合しようとする
管１３および管１４の端面を加工し、一方の管１３には
凹テーパ１５を、他方の管１４には凸テーパ１６を形成
し、両テーパ１５，１６の間に円錐台リング接合材１２
を挿入して管１３と管１４を嵌合させ、加熱して接合す
る方法である。この方法は、ＭＩＧ溶接やＴＩＧ溶接に
比べて安価かつ簡易な方法であり、油井鋼管の現地施工
等に採用されている。2. Description of the Related Art As means for joining pipes such as steel pipes, FIG.
There is a method as shown in FIG. That is, the end faces of the pipes 13 and 14 to be joined are machined, and a concave taper 15 is formed on one pipe 13 and a convex taper 16 is formed on the other pipe 14. Table ring joining material 12
Is inserted, the tube 13 and the tube 14 are fitted, and the tube 13 and the tube 14 are joined by heating. This method is a cheaper and simpler method than MIG welding or TIG welding, and is adopted for on-site construction of oil well steel pipes and the like.
【０００３】円錐台リング接合材１２は、接合対象材中
への拡散成分を有する合金の急冷凝固箔からなる。従来
の円錐台リング接合材は、シート状の箔材から切り出し
て製造されるため、切り捨て部分が多く発生し、製造歩
留まりが低いとともに、切り出し作業に時間がかかると
いう問題があった。[0003] The frusto-conical ring bonding material 12 is made of a rapidly solidified foil of an alloy having a diffusion component into the material to be bonded. Since the conventional frusto-conical ring joining material is cut out from a sheet-like foil material and manufactured, there are many cut-off portions, resulting in low production yield and time-consuming cutting-out work.
【０００４】この問題の対策として本発明者らは、特開
平５−１２３８９０号公報により、図３に示すような方
法を提案している。すなわち、単ロール１の表面をテー
パ状に形成し、テーパ面２に近接し、かつこれとほぼ平
行にるつぼ４のノズル開口面７を位置せしめ、高速回転
する単ロール１のテーパ面２に、るつぼ４内の溶融金属
８を噴出させて急冷凝固箔９を製造する方法である。As a countermeasure against this problem, the present inventors have proposed a method shown in FIG. 3 in Japanese Patent Laid-Open No. 5-123890. That is, the surface of the single roll 1 is formed in a tapered shape, the nozzle opening surface 7 of the crucible 4 is positioned close to and substantially parallel to the tapered surface 2, and the tapered surface 2 of the single roll 1 that rotates at high speed, This is a method in which a molten metal 8 in a crucible 4 is ejected to produce a rapidly solidified foil 9.
【０００５】この方法により得られた帯状の急冷凝固箔
８を所定の長さに切断し、切断部を突き合わせることで
円錐台リング接合材を製造することができ、製造歩留ま
りおよび作業性が著しく向上する。なお、図３において
テーパ面２上の急冷凝固箔９は、剥離用ノズルからのガ
ス圧で剥離される。[0005] The band-shaped rapidly solidified foil 8 obtained by this method is cut into a predetermined length, and the cut portions are abutted to produce a frusto-conical ring joining material. improves. In FIG. 3, the rapidly solidified foil 9 on the tapered surface 2 is peeled off by gas pressure from a peeling nozzle.
【０００６】[0006]
【発明が解決しようとする課題】上記特開平５−１２３
８９０号公報に提案した方法において、図３に示す単ロ
ール１のテーパ面２上に形成される急冷凝固箔９の厚さ
が、テーパ面２の長径ａ側では短径ｂ側よりも薄くなる
傾向があった。該箔９の厚さが幅方向不均一だと、図５
のように円錐台リング接合材１２として両管１３，１４
の接合面に挿入したとき、凹テーパ１５および凸テーパ
１６との密着性に問題が生じ、特に該箔９の幅が１０mm
以上の場合は、接合精度や接合強度に実用上の問題が生
じるおそれがあり、その対策が望まれていた。Problems to be Solved by the Invention
In the method proposed in Japanese Patent No. 890, the thickness of the rapidly solidified foil 9 formed on the tapered surface 2 of the single roll 1 shown in FIG. There was a tendency. If the thickness of the foil 9 is not uniform in the width direction, FIG.
As shown in FIG.
When the foil 9 is inserted into the joint surface of the foil 9, there is a problem in the adhesion to the concave taper 15 and the convex taper 16, especially when the width of the foil 9 is 10 mm
In the above case, there is a possibility that a practical problem may occur in the joining accuracy and the joining strength, and a countermeasure has been desired.
【０００７】本発明は、鋼管等の管同士を接合する際、
接合面に挿入される円錐台リング接合材用急冷凝固箔を
製造するにあたり、該急冷凝固箔の幅が広い場合でも、
幅方向の厚さを均一化するための製造方法およ製造用ロ
ールを提供することにより、管同士の接合に際し、接合
精度および接合強度の向上を図ることを目的とする。According to the present invention, when joining pipes such as steel pipes,
In producing the rapidly solidified foil for the frustum-cone ring joining material to be inserted into the joint surface, even when the width of the rapidly solidified foil is large,
An object of the present invention is to provide a manufacturing method and a manufacturing roll for making the thickness in the width direction uniform, and to improve the joining accuracy and the joining strength when joining tubes.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
の本発明法は、るつぼ内の溶融金属をテーパ付き単ロー
ルのテーパ面に噴出させて急冷凝固箔を製造する方法に
おいて、該テーパ面の冷却能を短径側から長径側に傾斜
して向上させた前記単ロールを回転させつつ、前記溶融
金属を噴出させることを特徴とする円錐台リング接合材
用急冷凝固箔の製造方法である。According to the present invention, there is provided a method for producing a rapidly solidified foil by jetting molten metal in a crucible onto a tapered surface of a tapered single roll. A method of producing a rapidly solidified foil for a frusto-conical ring joining material, wherein the molten metal is jetted out while rotating the single roll, the cooling capacity of which is improved by inclining from a short diameter side to a long diameter side. .
【０００９】また、上記目的を達成するための本発明ロ
ールは、るつぼ内の溶融金属をテーパ付き単ロールのテ
ーパ面に噴出させて急冷凝固箔を製造するための該ロー
ルであって、該テーパ面の冷却能が短径側から長径側に
傾斜して向上していることを特徴とする円錐台リング接
合材用急冷凝固箔の製造用ロールである。Further, the roll of the present invention for achieving the above object is a roll for producing a rapidly solidified solidified foil by jetting a molten metal in a crucible onto a tapered surface of a tapered single roll. A roll for producing rapidly solidified foil for frusto-conical ring joining material, characterized in that the cooling capacity of the surface is improved by being inclined from the shorter diameter side to the longer diameter side.
【００１０】そして、本発明ロールの第１の態様は、テ
ーパ面が高熱伝導率材料で形成され、該材料の厚さが該
テーパ面の短径側から長径側に傾斜して厚くなってい
る。第２の態様は、テーパ面が、高熱伝導率材料からな
るロールコアに接して低熱伝導率材料で形成され、該低
熱伝導率材料の厚さが該テーパ面の短径側から長径側に
傾斜して薄くなっている。In the first aspect of the roll of the present invention, the tapered surface is formed of a material having a high thermal conductivity, and the thickness of the material is increased from the shorter diameter side to the longer diameter side of the tapered surface. . In a second aspect, the tapered surface is formed of a low thermal conductivity material in contact with a roll core made of a high thermal conductivity material, and the thickness of the low thermal conductivity material is inclined from a shorter diameter side to a longer diameter side of the tapered surface. And thin.
【００１１】[0011]
【発明の実施の形態】本発明法を図１〜図４の例により
説明する。図３において、るつぼ４の底部にノズル５が
形成され、スリット状をなす開口６から溶融金属８を、
単ロール１のテーパ面２に噴出している。単ロール１
は、回転軸３を軸として矢印の方向に高速回転してお
り、テーパ面２上で急冷凝固箔９が形成され、剥離用ノ
ズル１０からのガス圧で剥離される。DESCRIPTION OF THE PREFERRED EMBODIMENTS The method of the present invention will be described with reference to FIGS. In FIG. 3, a nozzle 5 is formed at the bottom of the crucible 4, and molten metal 8 is passed through a slit-shaped opening 6.
It is ejected to the tapered surface 2 of the single roll 1. Single roll 1
Is rotated at high speed about the rotation axis 3 in the direction of the arrow, a rapidly solidified foil 9 is formed on the tapered surface 2, and the foil 9 is peeled off by the gas pressure from the peeling nozzle 10.
【００１２】本発明法において使用する単ロール１は、
テーパ面２の冷却能を短径ｂ側から長径ａ側に傾斜して
向上させた本発明ロールであり、その例を図１および図
２に示す。なお本発明法は、図４のように、単ロール１
のテーパ面２を水平にし、るつぼ４の底面に設けた開口
６から溶融金属８を噴出させる場合にも適用することが
できる。The single roll 1 used in the method of the present invention comprises:
A roll of the present invention in which the cooling capacity of the tapered surface 2 is improved from the minor diameter b side to the major diameter a side, and examples thereof are shown in FIGS. 1 and 2. In addition, as shown in FIG.
The present invention can also be applied to a case in which the tapered surface 2 is horizontal and the molten metal 8 is ejected from the opening 6 provided on the bottom surface of the crucible 4.
【００１３】図１は本発明ロールの第１の態様を示し、
テーパ面２が高熱伝導率材料１７で形成され、該材料１
７の厚さが短径ｂ側から長径ａ側に傾斜して厚くなって
いる。図１（ａ）の例は、単ロール１の内部が空洞であ
り、テーパ面２を形成する高熱伝導率材料１７を、内面
側から水冷等により冷却するようになっている。図１
（ｂ）の例は、テーパ面２を形成する高熱伝導率材料１
７が、ロールコア１１に接している。いずれの例におい
ても、テーパ面２の冷却能は、高熱伝導率材料１７の厚
さが薄い短径ｂ側から、厚い長径ａ側に傾斜して向上し
ている。FIG. 1 shows a first embodiment of the roll of the present invention,
The tapered surface 2 is formed of a high thermal conductivity material 17.
The thickness of 7 is increased from the minor diameter b side to the major diameter a side. In the example of FIG. 1A, the inside of the single roll 1 is hollow, and the high thermal conductivity material 17 forming the tapered surface 2 is cooled from the inner surface side by water cooling or the like. FIG.
(B) is an example of the high thermal conductivity material 1 forming the tapered surface 2.
7 is in contact with the roll core 11. In any of the examples, the cooling ability of the tapered surface 2 is improved by being inclined from the short diameter b side where the thickness of the high thermal conductivity material 17 is thin to the thick long diameter a side.
【００１４】図２は本発明ロールの第２の態様を示し、
テーパ面２が低熱伝導率材料１８で形成され、該材料１
８は高熱伝導率材料からなるロールコア１１に接し、厚
さがテーパ面２の短径ｂ側から長径ａ側に傾斜して薄く
なっている。この例では、テーパ面２の冷却能は、低熱
伝導率材料１８の厚さが厚い短径ｂ側から、薄い長径ａ
側に傾斜して向上している。FIG. 2 shows a second embodiment of the roll of the present invention,
The tapered surface 2 is formed of a low thermal conductivity material 18,
Numeral 8 is in contact with the roll core 11 made of a material having a high thermal conductivity, and the thickness of the tapered surface 2 is reduced by being inclined from the shorter diameter b side to the longer diameter a side. In this example, the cooling capability of the tapered surface 2 is such that the thickness of the low thermal conductivity material 18 is greater from the thicker minority b side to the thinner major diameter a.
Increasing to the side.
【００１５】本発明において、高熱伝導率材料１７とし
てはＣｕ，Ｃｕ基合金，Ａｇ，Ａｕ，Ａｌ等、低熱伝導
率材料１８としてはＮｉ，Ｎｉ基合金，Ｆｅ，Ｆｅ基合
金等を採用することができる。また、ロールコア１１用
材料としては、Ｆｅ，Ｃｕ，Ａｌ等を採用することがで
きる。In the present invention, Cu, Cu-based alloy, Ag, Au, Al or the like is used as the high thermal conductivity material 17, and Ni, Ni-based alloy, Fe, Fe-based alloy or the like is used as the low thermal conductivity material 18. Can be. Further, as a material for the roll core 11, Fe, Cu, Al, or the like can be adopted.
【００１６】本発明法により、急冷凝固箔９の厚さを幅
方向均一にすることができる。るつぼ４内の溶融金属８
を開口６から単ロール１のテーパ面２上に噴出したと
き、テーパ面２の冷却能が、従来のように幅方向一様で
あれば、ロール回転によりテーパ面２上で持ち去られる
溶融金属の量が、単位時間当たり一定となるので、回転
による表面速度の大きい長径側では、回転方向単位長さ
当たりの溶融金属供給量が少なくなり、厚さが薄くな
る。しかし、本発明法はテーパ面２の冷却能を、短径側
から長径側に傾斜して向上させているため、長径側では
凝固が速く進行するので、幅方向均一な厚さにすること
ができる。According to the method of the present invention, the thickness of the rapidly solidified foil 9 can be made uniform in the width direction. Molten metal 8 in crucible 4
Is ejected from the opening 6 onto the tapered surface 2 of the single roll 1, if the cooling ability of the tapered surface 2 is uniform in the width direction as in the related art, the molten metal removed on the tapered surface 2 by the rotation of the roll Since the amount is constant per unit time, the supply amount of molten metal per unit length in the rotation direction decreases on the long diameter side where the surface velocity due to rotation is large, and the thickness decreases. However, according to the method of the present invention, the cooling ability of the tapered surface 2 is improved by being inclined from the shorter diameter side to the longer diameter side, so that solidification proceeds rapidly on the longer diameter side, so that the thickness in the width direction can be made uniform. it can.
【００１７】このような本発明法において、テーパ面２
の冷却能は、急冷凝固箔９の厚さや成分に応じ、また単
ロール１の長径ａ，短径ｂ，傾斜角βや回転速度に応じ
て変化させる。その際、テーパ面２を形成する高熱伝導
率材料１７の厚さは、長径ａ側では１mm以上、短径ｂ側
では０．５mm以上１０mm以下の範囲とし、この範囲で長
径ａ側を短径ｂ側よりも厚くするのが望ましい。厚さの
下限は加工上の制限に依り、上限は短径ｂ側が１０mmを
超えると、箔９の厚さ調整効果が認められ難くなるから
である。In the method of the present invention, the tapered surface 2
Is changed according to the thickness and composition of the rapidly solidified foil 9 and also according to the major axis a, minor axis b, the inclination angle β and the rotation speed of the single roll 1. At this time, the thickness of the high thermal conductivity material 17 forming the tapered surface 2 is in the range of 1 mm or more on the long diameter a side and 0.5 mm or more and 10 mm or less on the short diameter b side. It is desirable to make it thicker than the b side. The lower limit of the thickness depends on the limitation in processing, and the upper limit is that if the minor diameter b exceeds 10 mm, the effect of adjusting the thickness of the foil 9 becomes difficult to be recognized.
【００１８】また、テーパ面２を形成する低熱伝導率材
料１８の厚さは、短径ｂ側では０．１mm以上５．０mm以
下、長径ａ側では４．５mm以下の範囲とし、この範囲で
長径ａ側を短径ｂ側よりも薄くするのが望ましい。短径
ｂ側が０．１mm未満では箔９の厚さ調整効果が認められ
難くなり、短径ｂ側が５．０mmを超えると冷却速度の差
異が明確でなくなるためである。また、短径ｂ側の厚さ
を５．０mmとした場合は、長径ａ側との厚さの差を０．
５mm程度にしないと箔９の厚さ調整効果が認められ難い
ので、長径ａ側の厚さは４．５mm以下が望ましい。The thickness of the low thermal conductivity material 18 forming the tapered surface 2 ranges from 0.1 mm to 5.0 mm on the minor diameter b side and 4.5 mm or less on the major diameter a side. It is desirable to make the major axis a side thinner than the minor axis b side. If the minor diameter b is less than 0.1 mm, the effect of adjusting the thickness of the foil 9 becomes difficult to be recognized, and if the minor diameter b exceeds 5.0 mm, the difference in cooling rate is not clear. When the thickness on the short diameter b side is 5.0 mm, the difference in thickness from the long diameter a side is 0.1 mm.
If the thickness is not set to about 5 mm, the effect of adjusting the thickness of the foil 9 is difficult to be recognized, so that the thickness on the long diameter a side is preferably 4.5 mm or less.
【００１９】本発明法において製造する急冷凝固箔９の
幅および厚さは、円錐台リング接合材の幅および厚さと
一致させる。そして、図５に示すように、該接合材１２
の傾斜角は管１３および１４の凹テーパ１５および凸テ
ーパ１６のテーパ角αと同一であるから、図３あるいは
図４の例において、テーパ２面の傾斜角βは９０°−α
とする。The width and thickness of the rapidly solidified foil 9 produced in the method of the present invention are matched with the width and thickness of the frusto-conical ring joining material. Then, as shown in FIG.
Is the same as the taper angle α of the concave taper 15 and the convex taper 16 of the tubes 13 and 14, and in the example of FIG. 3 or FIG. 4, the inclination angle β of the two tapered surfaces is 90 ° −α.
And
【００２０】[0020]
［本発明例１］：図１（ｂ）に示すような本発明ロール
を使用し、本発明法により、図３のような装置により急
冷凝固箔９を製造した。そして、図５に示すように、該
箔９から切り出して製造した円錐台リング接合材１２を
挿入して、管１３と管１４を接合した。管１３および１
４はいずれも鋼管で、外径２６４．４mm、内径２２８．
６mm、肉厚１７．８mmである。凹テーパ１５および凸テ
ーパ１６のテーパ角αは４５°、両テーパ１５および１
６の傾斜方向長さは２５．２mmである。[Example 1 of the present invention]: Using the roll of the present invention as shown in FIG. 1 (b), a rapidly solidified foil 9 was produced by the method of the present invention using an apparatus as shown in FIG. Then, as shown in FIG. 5, a tube 13 and a tube 14 were joined by inserting a frusto-conical ring joining material 12 cut out from the foil 9 and manufactured. Tubes 13 and 1
Each of the steel pipes has an outer diameter of 264.4 mm and an inner diameter of 228.
It is 6 mm thick and 17.8 mm thick. The taper angle α of the concave taper 15 and the convex taper 16 is 45 °,
The length of 6 in the inclined direction is 25.2 mm.
【００２１】図３において、単ロール１の長径ａは２８
０mm、短径ｂは１８０mm、幅ｃは５０mm、テーパ面２の
傾斜角βは４５°とした。そして、図１（ｂ）におい
て、鋼製のロールコア１１に、高熱伝導率材料１７とし
て銅製リングでテーパ面２を形成した。厚さは短径ｂ側
で１．０mm、長径ａ側で２．５mmである。単ロール１を
１８００rpm の高速で回転させつつ、るつぼ４から、重
量２００ｇのＦｅ−９wt％Ｓｉ−１．５wt％Ｂからなる
組成の溶融金属８を、噴出圧０．２kg／cm2 で、スリッ
ト状のノズル開口６からテーパ面２に噴出させた。噴出
位置は、開口６の図３左側端部が、単ロール１の長径ａ
側のテーパ起点より１０mmだけ短径ｂ側となる位置と
し、開口面７とテーパ面２とは平行でギャップは０．２
mmとした。開口６の幅は０．６mm、長さは２５mmとし
た。In FIG. 3, the major axis a of the single roll 1 is 28
0 mm, the minor diameter b was 180 mm, the width c was 50 mm, and the inclination angle β of the tapered surface 2 was 45 °. In FIG. 1B, the tapered surface 2 was formed on the steel roll core 11 with a copper ring as the high thermal conductivity material 17. The thickness is 1.0 mm on the short diameter b side and 2.5 mm on the long diameter a side. While rotating the single roll 1 at a high speed of 1800 rpm, a molten metal 8 having a composition of 200 g Fe-9 wt% Si-1.5 wt% B was slit from the crucible 4 at an ejection pressure of 0.2 kg / cm 2 . It was ejected to the tapered surface 2 from the nozzle opening 6 in the shape of a circle. The ejection position is such that the left end of the opening 6 in FIG.
The opening surface 7 and the tapered surface 2 are parallel to each other with a gap of 0.2 mm.
mm. The width of the opening 6 was 0.6 mm and the length was 25 mm.
【００２２】得られた急冷凝固箔９の幅は２５mm、厚さ
約２５μｍで幅方向均一であった。この急冷凝固箔９
を、鋼管のテーパ周長に合わせて切り出し、端面を突合
わせて、長径２６４mm、短径２２９mmの円錐台リング接
合材とした。該接合材の形状および寸法とも良好で、厚
さは均一であった。そして、図６のような上記鋼管同士
のテーパ間に挿入したところ、凹テーパ１５および凸テ
ーパ１６の全面にわたり密着し、加熱後の接合精度およ
び接合強度は極めて良好であった。The width of the rapidly solidified foil 9 obtained was 25 mm, the thickness was about 25 μm, and the width direction was uniform. This rapidly solidified foil 9
Was cut out in accordance with the taper circumference of the steel pipe, and the end faces were butted to obtain a frusto-conical ring joining material having a major axis of 264 mm and a minor axis of 229 mm. The shape and dimensions of the joining material were good, and the thickness was uniform. Then, when inserted between the tapers of the steel pipes as shown in FIG. 6, the entire surface of the concave taper 15 and the convex taper 16 was brought into close contact, and the joining accuracy and joining strength after heating were extremely good.
【００２３】［本発明例２］：図２に示すような本発明
ロールを使用し、その他は本発明例１と同様にして急冷
凝固箔９を製造した。そして、本発明例１と同様、図５
に示すように、該箔９から切り出して製造した円錐台リ
ング接合材１２を挿入し、管１３と管１４を接合した。
図２において、銅製のロールコア１１に低熱伝導率材料
１８としてＮｉメッキ層によりテーパ面２を形成した。
Ｎｉメッキ層の厚さは短径ｂ側で２．０mm、長径ａ側で
０．３mmである。[Inventive Example 2] A rapidly solidified foil 9 was produced in the same manner as in Inventive Example 1 except that the inventive roll as shown in FIG. 2 was used. Then, as in the first embodiment of the present invention, FIG.
As shown in Fig. 7, a frusto-conical ring joining material 12 cut out from the foil 9 and inserted was inserted, and a tube 13 and a tube 14 were joined.
In FIG. 2, a tapered surface 2 is formed on a copper roll core 11 by a Ni plating layer as a low thermal conductivity material 18.
The thickness of the Ni plating layer is 2.0 mm on the minor diameter b side and 0.3 mm on the major diameter a side.
【００２４】得られた急冷凝固箔９の幅は２５mm、厚さ
約２３μｍで幅方向均一であった。この急冷凝固箔９か
ら、本発明例１と同様にして円錐台リング接合材を製造
し、同様に鋼管同士を接合した結果、該接合材の密着性
がよく、加熱後の接合精度および接合強度は極めて良好
であった。The width of the rapidly solidified foil 9 obtained was 25 mm, the thickness was about 23 μm, and the width direction was uniform. From this rapidly solidified foil 9, a frusto-conical ring bonding material was manufactured in the same manner as in Example 1 of the present invention, and the steel pipes were similarly bonded to each other. As a result, the bonding material had good adhesion, bonding accuracy and bonding strength after heating. Was very good.
【００２５】[0025]
【発明の効果】本発明によれば、鋼管等の管同士を接合
する際、接合面に挿入される円錐台リング接合材用急冷
凝固箔を製造するにあたり、該箔の幅が１０mm以上と広
い場合でも、幅方向の厚さを均一化することができる。
したがって、管同士の接合に際し、接合面の全面にわた
り密着して接合材を挿入することができ、高精度の接合
が可能で接合強度も向上する。According to the present invention, when joining pipes such as steel pipes, the width of the foil is as wide as 10 mm or more in producing a rapidly solidified foil for a frusto-conical ring joining material inserted into the joining surface. Even in this case, the thickness in the width direction can be made uniform.
Therefore, at the time of joining the pipes, the joining material can be inserted in close contact with the entire joining surface, and high-precision joining is possible, and joining strength is improved.
【図１】本発明におけるロールの例を示す断面図であ
る。FIG. 1 is a cross-sectional view illustrating an example of a roll according to the present invention.
【図２】本発明におけるロールの別の例を示す断面図で
ある。FIG. 2 is a cross-sectional view showing another example of the roll according to the present invention.
【図３】本発明の適用例を示す説明図である。FIG. 3 is an explanatory diagram showing an application example of the present invention.
【図４】本発明の別の適用例を示す説明図である。FIG. 4 is an explanatory diagram showing another application example of the present invention.
【図５】本発明により得られた円錐台リング接合材の適
用例を示す説明図である。FIG. 5 is an explanatory view showing an application example of a frusto-conical ring joining material obtained according to the present invention.
１…単ロール ２…テーパ面 ３…回転軸 ４…るつぼ ５…ノズル ６…開口 ７…開口面 ８…溶融金属 ９…急冷凝固箔 １０…剥離用ノズル １１…ロールコア １２…円錐台リング接合材 １３，１４…管 １５…凹テーパ １６…凸テーパ １７…高熱伝導率材料 １８…低熱伝導率材料 ａ…長径 ｂ…短径 DESCRIPTION OF SYMBOLS 1 ... Single roll 2 ... Taper surface 3 ... Rotating shaft 4 ... Crucible 5 ... Nozzle 6 ... Opening 7 ... Opening surface 8 ... Molten metal 9 ... Quench solidified foil 10 ... Peeling nozzle 11 ... Roll core 12 ... Conical frustum ring joining material 13 , 14 ... tube 15 ... concave taper 16 ... convex taper 17 ... high thermal conductivity material 18 ... low thermal conductivity material a ... long diameter b ... short diameter
───────────────────────────────────────────────────── フロントページの続き (72)発明者 津留 英司 千葉県富津市新富20−１ 新日本製鐵株式 会社技術開発本部内 ──────────────────────────────────────────────────の Continued on the front page (72) Eiji Tsuru, Inventor 20-1 Shintomi, Futtsu-shi, Chiba Nippon Steel Corporation Technology Development Division
Claims (4)
ルのテーパ面に噴出させて急冷凝固箔を製造する方法に
おいて、該テーパ面の冷却能を短径側から長径側に傾斜
して向上させた前記単ロールを回転させつつ、前記溶融
金属を噴出させることを特徴とする円錐台リング接合材
用急冷凝固箔の製造方法。1. A method for manufacturing a rapidly solidified foil by injecting molten metal in a crucible onto a tapered surface of a tapered single roll, wherein a cooling capability of the tapered surface is improved by inclining from a shorter diameter side to a longer diameter side. A method for producing a rapidly solidified foil for a frusto-conical ring joining material, wherein the molten metal is ejected while rotating the single roll.
ルのテーパ面に噴出させて急冷凝固箔を製造するための
該ロールであって、該テーパ面の冷却能が短径側から長
径側に傾斜して向上していることを特徴とする円錐台リ
ング接合材用急冷凝固箔の製造用ロール。2. A roll for producing a rapidly solidified foil by jetting molten metal in a crucible onto a tapered surface of a tapered single roll, wherein the cooling capacity of the tapered surface is changed from a shorter diameter side to a longer diameter side. A roll for producing rapidly solidified foil for a frusto-conical ring joining material, characterized in that the roll is inclined and improved.
該材料の厚さが該テーパ面の短径側から長径側に傾斜し
て厚くなっていることを特徴とする請求項２記載の円錐
台リング接合材用急冷凝固箔の製造用ロール。3. The tapered surface is formed of a high thermal conductivity material,
3. The roll for manufacturing a rapidly solidified foil for a frusto-conical ring joining material according to claim 2, wherein the thickness of the material is increased from the minor diameter side to the major diameter side of the tapered surface.
ールコアに接して低熱伝導率材料で形成され、該低熱伝
導率材料の厚さが該テーパ面の短径側から長径側に傾斜
して薄くなっていることを特徴とする請求項２記載の円
錐台リング接合材用急冷凝固箔の製造用ロール。4. The tapered surface is formed of a low thermal conductivity material in contact with a roll core made of a high thermal conductivity material, and the thickness of the low thermal conductivity material is inclined from a shorter diameter side to a longer diameter side of the tapered surface. The roll for producing a rapidly solidified foil for a frusto-conical ring joining material according to claim 2, wherein the roll is thin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17832396A JP3456842B2 (en) | 1996-07-08 | 1996-07-08 | Method for producing rapidly solidified foil for frusto-conical ring joining material and production roll |
| PCT/JP1997/002263 WO1998000252A1 (en) | 1996-06-28 | 1997-06-30 | Rapidly solidified foil for ring-like welding material, its production process and apparatus, and nozzle for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17832396A JP3456842B2 (en) | 1996-07-08 | 1996-07-08 | Method for producing rapidly solidified foil for frusto-conical ring joining material and production roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1024348A true JPH1024348A (en) | 1998-01-27 |
| JP3456842B2 JP3456842B2 (en) | 2003-10-14 |
Family
ID=16046482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17832396A Expired - Fee Related JP3456842B2 (en) | 1996-06-28 | 1996-07-08 | Method for producing rapidly solidified foil for frusto-conical ring joining material and production roll |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3456842B2 (en) |
-
1996
- 1996-07-08 JP JP17832396A patent/JP3456842B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3456842B2 (en) | 2003-10-14 |
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