JPS639904A - Manufacture of superconducting saddle type coil end spacer - Google Patents
Manufacture of superconducting saddle type coil end spacerInfo
- Publication number
- JPS639904A JPS639904A JP15453786A JP15453786A JPS639904A JP S639904 A JPS639904 A JP S639904A JP 15453786 A JP15453786 A JP 15453786A JP 15453786 A JP15453786 A JP 15453786A JP S639904 A JPS639904 A JP S639904A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- curved surface
- rods
- saddle type
- rod group
- 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
- Particle Accelerators (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は超電導コイルに組込まれる鞍型コイル端部スペ
ーサーの製造方法の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an improvement in a method for manufacturing a saddle-shaped coil end spacer to be incorporated into a superconducting coil.
（従来技術とその問題点）
超電導コイルユニットは、第４図に示すようにＦＲＰ製
のセンターパイプ（１）の外側の上下にＮｔ）ｓｓｎｓ
ＶｓＧａなどのモノリシス導体或は成型撚線を用いてコ
イル巻線した超電導鞍型コイル（２） （２勺と、この
鞍型コイルの端部にその端部を突合せる形でＦＲＰなど
のスペーサー（３） （３勺と、鞍型コイルの中心を埋
めるＦＲＰなどのセンターポス） （４）、（＋＋勺な
どの部品からなるものである。これらの部品は第５図の
ように組合せ一体化されて超電導コイルユニット（５）
が形成されるものである。(Prior art and its problems) As shown in Fig. 4, the superconducting coil unit has Nt)ssns on the top and bottom of the outside of the FRP center pipe (1).
A superconducting saddle-shaped coil (2) wound using a monolithic conductor such as VsGa or molded stranded wire (2) and a spacer such as FRP ( 3) (3 pieces and a center post made of FRP etc. that fills the center of the saddle-shaped coil) (4), (++ piece) These parts are combined and integrated as shown in Figure 5. Superconducting coil unit (5)
is formed.
超電導鞍型コイルは励磁の際に電磁力を受は線材が動く
ため、超電導が常電導に転移してしまういわゆるクエン
チを起すことがある。これを防止するために上記のスペ
ーサーはコイル端部に強固に密着させて固定することが
必要である。When a superconducting saddle-shaped coil receives electromagnetic force during excitation, the wire moves, which can cause so-called quenching, where superconductivity changes to normal conductivity. In order to prevent this, it is necessary to firmly and closely fix the spacer to the end of the coil.
ところで鞍型コイルは第４図に示すようにコイル曲面（
６）が三次元的にわん曲しており、また超電導体を鞍型
コイルに巻回する之めに超電導体が倒れる現象があるの
でコイル曲面は一層複雑な形状をなしているものである
。By the way, the saddle-shaped coil has a coil curved surface (
6) is three-dimensionally curved, and since there is a phenomenon in which the superconductor collapses as it is wound around the saddle-shaped coil, the coil curved surface has a more complicated shape.
このスペーサーの製造方法として従来は、スペーサー全
概略に成形し念後、コイル曲面に合わせてヤスリ加工な
どによりスペーサー曲面（７）に仕上げていたものであ
る。Conventionally, this spacer has been manufactured by forming the entire spacer roughly, and then finishing the spacer curved surface (7) by filing or the like to match the coil curved surface.
しかしヤスリで仕上げる方法ではスペーサーとコイル曲
面の接触している状態を目視することができないためコ
イル曲面に合っ念スペーサーとすることが困難であった
。However, with the finishing method using a file, it is difficult to make the spacer match the coil curved surface because it is not possible to visually observe the state in which the spacer and the coil curved surface are in contact with each other.
その結果励磁状態で充分に線材の動きを防止することが
できず超電導鞍型コイルを用いたマグネットでは高性能
が得られない欠点があった。As a result, it is not possible to sufficiently prevent the movement of the wire in the excited state, and magnets using superconducting saddle-shaped coils have the disadvantage that high performance cannot be obtained.
（問題点を解決するための手段）
本発明は上記の問題にかんがみなされたもので、超電導
鞍型コイル端部スペーサーの製造において、コイル端部
の上下面に雄型と雌型の型を配置し、その型の間にスペ
ーサー用材料からなるロッドをコイルの曲面に当接する
ように多数本挿入し、ロッドの先端をコイル曲面の形状
に合わせたロッド群としこのロッド群を芯として樹脂で
固化することを特徴とする超電導鞍型コイル端部スペー
サーの製造方法である。(Means for Solving the Problems) The present invention has been made in view of the above problems, and in manufacturing a superconducting saddle-shaped coil end spacer, male and female molds are arranged on the upper and lower surfaces of the coil end. Then, a large number of rods made of spacer material are inserted between the molds so that they come into contact with the curved surface of the coil, and the tips of the rods are made into a group of rods that match the shape of the curved surface of the coil, and this group of rods is used as a core and solidified with resin. A method of manufacturing a superconducting saddle-shaped coil end spacer is characterized in that:
上記の鞍型コイルの超電導体としてはＮｂ５Ｓｎモノリ
シス導体をレーストラック状に巻回し、鞍型にプレス成
形後熱処理を行ない超電導体としたもの、或はＶｓ Ｃ
ａ 、またはＮｂＴｉでもよく直接鞍型に巻線したもの
でもよい。The superconductor of the above-mentioned saddle-shaped coil is a superconductor made by winding a Nb5Sn monolithic conductor in a racetrack shape, press-molding it into a saddle shape, and then heat-treating it, or VsC.
A or NbTi may be used, and a wire wound directly in a saddle shape may be used.
また端部スペーサー材はロッドにＦＲＰなどが用いられ
、樹脂はエポキシ樹脂など電気絶縁性で非磁性のものが
用いられるものである。Further, as the end spacer material, FRP or the like is used for the rod, and the resin is electrically insulating and non-magnetic, such as epoxy resin.
本発明は第１図に示すように鞍型コイル（２）の上下面
にプラスチックまたは真鍮などの金属からなる雄型（８
）と雌型（９）ヲはさみ、コイルに損傷を与えない程度
に締めつけ、雄型と雌型の間にＦＲＰ製のロッド０１を
挿入する。すなわち第２図に示すように鞍型コイル（２
）のコイル曲面（６）に当接するようにロッドα１を１
木兄挿入してロッドの先端をコイル曲面に合致するよう
多数本並設することにより各ロッドの先端がコイルの曲
面と同じ三次元の曲る。このようにして形成したロンド
群ヲ、ロッドの形がくずれないように接着剤或は樹脂等
で仮止めした後、型を外して取出しこのロッド群を芯と
して、その周りにエポキシ樹脂を含浸させ、ロッド群の
先端部にはパテ等によりなだらかな曲面に成形して第５
図に示すようなスペーサー（３）とするものである。As shown in FIG. 1, the present invention provides a male mold (8
) and the female mold (9), tighten them to the extent that the coil is not damaged, and insert the FRP rod 01 between the male mold and the female mold. In other words, as shown in Fig. 2, a saddle-shaped coil (2
) so that the rod α1 is in contact with the curved surface (6) of the coil.
By inserting a rod and arranging a large number of rods in parallel so that the tip of the rod matches the curved surface of the coil, the tip of each rod can be bent in the same three-dimensional manner as the curved surface of the coil. After temporarily fixing the rod group formed in this way with adhesive or resin so that the rod shape does not collapse, the mold is removed and the rod group is used as a core, and the surrounding area is impregnated with epoxy resin. , the tip of the rod group is molded into a gently curved surface with putty etc.
This is a spacer (3) as shown in the figure.
（実施例） 以下に本発明の実施例について説明する。(Example) Examples of the present invention will be described below.
第１図に示すようにＮｂｓ Ｓｎモノリシス導体からな
る鞍型コイル（２）の上下面にプラスチックからなる雄
型（８）と雌型（９）をはさみ、第２図に示すように雄
型と雌型の間の１０閣の隙間にＦＲＰ製のロッドα１を
鞍型コイル（２）のコイル曲面（６）に当接するように
ＦＲＰ製の１閣φのロッドαＱを挿入してロッドの先端
をコイル曲面に合致するように多数本並設してロッド群
を形成する。次にロッド群の端部を接着剤により仮止め
した後雄型と雌型を外して取出し、このロッド群を芯と
してエポキシ樹脂を含浸させて第５図に示すようなロッ
ドαＱを芯とし次スペーサー（３）を製造した。As shown in Figure 1, a male mold (8) and a female mold (9) made of plastic are sandwiched between the upper and lower surfaces of a saddle-shaped coil (2) made of a NbsSn monolithic conductor, and the male mold and Insert an FRP rod αQ of 1 diameter into the 10-diameter gap between the female molds so that the FRP rod α1 comes into contact with the coil curved surface (6) of the saddle-shaped coil (2), and then A large number of rods are arranged in parallel to form a group of rods so as to match the curved surface of the coil. Next, after temporarily fixing the ends of the rod group with adhesive, remove the male and female molds, take them out, use this rod group as a core, impregnate with epoxy resin, and use the rod αQ as shown in Figure 5 as the core. A spacer (3) was manufactured.
（効 果）
本発明によれば、スペーサーと同じ材質のロッドを用い
て、鞍型コイルの曲面に合はせてロッド群を形成し、こ
の形のままロッド群を芯として樹脂を含浸させてスペー
サーを作成するので、スペーサーの曲面は鞍型コイルの
曲面と完全に合致したものが得られる。この結果励磁の
際の鞍型コイルの線材の動きを防止することが可能とな
り、クエンチ現象が起きるのを著しく減少することがで
きる。(Effects) According to the present invention, rods made of the same material as the spacer are used to form rod groups that match the curved surface of the saddle-shaped coil, and resin is impregnated with the rod groups as cores in this shape. Since the spacer is created, the curved surface of the spacer perfectly matches the curved surface of the saddle-shaped coil. As a result, it is possible to prevent the wire of the saddle-shaped coil from moving during excitation, and the occurrence of the quench phenomenon can be significantly reduced.
第１図は本発明のスペーサーの製造方法を説明する斜視
図、第２図は本発明のスペーサーの製造方法を説明する
側面図、第５図は本発明の製造方法によシ得られたスペ
ーサーの斜視図、第４図は超電導コイルユニットの部品
を示す斜視図、第５図は超電導コイルユニットの斜視図
である。
１・・・センターパイプ、２、？・・・鞍型コイル、５
．５′・・・スペーサー、４．４’・・・センターポス
ト、５・・・超電導コイルユニット、６・・・鞍型コイ
ル曲面、７・・・スペーサー曲面、８・・・雄型、９・
・・雌型、１゜・・・ロッドFIG. 1 is a perspective view illustrating the method of manufacturing a spacer of the present invention, FIG. 2 is a side view illustrating the method of manufacturing a spacer of the present invention, and FIG. 5 is a spacer obtained by the manufacturing method of the present invention. FIG. 4 is a perspective view showing parts of the superconducting coil unit, and FIG. 5 is a perspective view of the superconducting coil unit. 1...center pipe, 2,? ...Saddle-shaped coil, 5
．． 5'... Spacer, 4.4'... Center post, 5... Superconducting coil unit, 6... Saddle-shaped coil curved surface, 7... Spacer curved surface, 8... Male type, 9...
...Female type, 1゜...Rod
Claims (1)
ル端部の上下面に雄型と雌型の型を配置し、その型の間
にスペーサー用材料からなるロッドをコイルの曲面に当
接するように多数本挿入しロッドの先端をコイル曲面の
形状に合わせたロッド群とし、このロッド群を芯として
樹脂で固化することを特徴とする超電導鞍型コイル端部
スペーサーの製造方法。In manufacturing superconducting saddle-shaped coil end spacers, male and female molds are placed on the upper and lower surfaces of the coil end, and a large number of rods made of spacer material are placed between the molds so as to abut against the curved surface of the coil. A method for manufacturing a superconducting saddle-type coil end spacer, characterized in that the tips of the inserted rods are made into a group of rods that match the shape of the curved surface of the coil, and this group of rods is used as a core and solidified with resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15453786A JPH0715846B2 (en) | 1986-07-01 | 1986-07-01 | Method of manufacturing superconducting saddle type coil end spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15453786A JPH0715846B2 (en) | 1986-07-01 | 1986-07-01 | Method of manufacturing superconducting saddle type coil end spacer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS639904A true JPS639904A (en) | 1988-01-16 |
| JPH0715846B2 JPH0715846B2 (en) | 1995-02-22 |
Family
ID=15586425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15453786A Expired - Lifetime JPH0715846B2 (en) | 1986-07-01 | 1986-07-01 | Method of manufacturing superconducting saddle type coil end spacer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0715846B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247272A (en) * | 1990-08-07 | 1993-09-21 | Ship & Ocean Foundation | Dipole coil and structure for use in the manufacture thereof |
-
1986
- 1986-07-01 JP JP15453786A patent/JPH0715846B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247272A (en) * | 1990-08-07 | 1993-09-21 | Ship & Ocean Foundation | Dipole coil and structure for use in the manufacture thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0715846B2 (en) | 1995-02-22 |
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