JPH01201419A - Heat treating method in magnetic field for toroidal core - Google Patents
Heat treating method in magnetic field for toroidal coreInfo
- Publication number
- JPH01201419A JPH01201419A JP2698588A JP2698588A JPH01201419A JP H01201419 A JPH01201419 A JP H01201419A JP 2698588 A JP2698588 A JP 2698588A JP 2698588 A JP2698588 A JP 2698588A JP H01201419 A JPH01201419 A JP H01201419A
- Authority
- JP
- Japan
- Prior art keywords
- toroidal core
- heat
- magnetizing
- magnetic field
- heat resistant
- 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
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/04—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering with simultaneous application of supersonic waves, magnetic or electric fields
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、磁気特性を発揮または改善するためのトロ
イダルコアの磁場中における熱処理方法に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of heat treating a toroidal core in a magnetic field in order to exhibit or improve magnetic properties.
第3図は従来の磁場中熱処理方法を示す配置図である6
図において、(1)は被処理材のトロイダルコアで、ヒ
ータ(2)を巻回した加熱筒(3)内の中心部に、その
環状軸が加熱筒(3)の軸と直交するよう位置し、加熱
処理される。(4)は磁化コイル(5)を巻回された磁
心で、トロイダルコア(1)を環状の軸方向に外部から
磁化する。Figure 3 is a layout diagram showing a conventional heat treatment method in a magnetic field6.
In the figure, (1) is a toroidal core of the material to be treated, which is positioned at the center of the heating cylinder (3) around which the heater (2) is wound, so that its annular axis is perpendicular to the axis of the heating cylinder (3). and heat treated. (4) is a magnetic core around which a magnetizing coil (5) is wound, which externally magnetizes the toroidal core (1) in the annular axial direction.
被処理材のトロイダルコア(1)は加熱筒(3)内で加
熱されるが、そあ磁場は、外側にある磁化コイル(5)
と磁心(4)によって、距離を置いて、トロイダルコア
(1)の高さ方向に加えられる。The toroidal core (1) of the material to be treated is heated in the heating cylinder (3), but the magnetic field is generated by the magnetizing coil (5) on the outside.
and magnetic core (4) at a distance in the height direction of the toroidal core (1).
従来の磁場中熱処理方法では、磁化装置が加熱装置の外
側にあるため、磁路としてのギャップが大で、かつ被処
理材のトロイダルコアは、高さ/直径の比が小さいので
、反磁界係数が大きく、充分な有効磁場強さを与えるた
めには大型電源を必要とする欠点があった。In the conventional heat treatment method in a magnetic field, the magnetization device is located outside the heating device, so the gap as a magnetic path is large, and the toroidal core of the treated material has a small height/diameter ratio, so the demagnetizing field coefficient is low. The disadvantage is that a large power source is required to provide sufficient effective magnetic field strength.
この発明は上記のような問題点を解決するためになされ
たもので、磁場中熱処理において、小型電源で強力な磁
場を発生させることが可能なトロイダルコアの磁場中熱
処理方法を得ることを目的とする。This invention was made in order to solve the above-mentioned problems, and the purpose is to obtain a method for heat-treating a toroidal core in a magnetic field, which can generate a strong magnetic field with a small power supply. do.
この発明に係るトロイダルコアの磁場中熱処理方法は、
トロイダルコアを磁場中熱処理する方法において、耐熱
性磁化コイルを巻回した耐熱性磁化ボビン内に、被処理
材のトロイダルコアを、そ、の環状軸方向に磁化される
よう位置させ、それらを加熱手段によって熱処理する方
法である。The method for heat treating a toroidal core in a magnetic field according to the present invention includes:
In a method of heat treating a toroidal core in a magnetic field, the toroidal core of the material to be treated is positioned in a heat-resistant magnetized bobbin around which a heat-resistant magnetized coil is wound so that it is magnetized in the direction of its annular axis, and then heated. This is a heat treatment method.
この発明においては、トロイダルコアへの近接効果が重
大でない加熱装置を最外側に位置させ、代りに近接効果
が重要な磁化装置に耐熱性をもたせて、加熱装置の内側
に置き、被処理材のトロイダルコアを磁化ボビンの内部
に位置させて至近距離の磁場内で磁化させる。In this invention, the heating device in which the proximity effect to the toroidal core is not important is located on the outermost side, and instead, the magnetization device, in which the proximity effect is important, is provided with heat resistance and placed inside the heating device, so that the material to be processed is heated. The toroidal core is placed inside the magnetizing bobbin and magnetized within a close magnetic field.
この発明では、磁化装置は、その磁化ボビンの内部に被
処理材のトロイダルコアを位置させて、被処理材と至近
距離にあり、強力で有効な磁場を加えることができる。In this invention, the magnetization device has a toroidal core of the material to be processed located inside the magnetizing bobbin, is in close proximity to the material to be processed, and can apply a strong and effective magnetic field.
〔実施例〕 第1図は本発明の一実施例を示す配置図である。〔Example〕 FIG. 1 is a layout diagram showing an embodiment of the present invention.
図において、被処理材のトロイダルコア(1)は、耐熱
性磁化コイル(6)を巻回した耐熱性磁化ボビン(7)
内の中央部に配置し、高さ方向に磁化される。この状態
で加熱チャンバ(8)の内壁に配置されたヒータ(2)
により、トロイダルコア(1)、耐熱性磁化ボビン(7
)、耐熱性磁化コイル(6)の全体を加熱し、トロイダ
ルコア(1)を磁場中熱処理する。In the figure, the toroidal core (1) of the material to be treated is a heat-resistant magnetized bobbin (7) around which a heat-resistant magnetized coil (6) is wound.
It is placed in the center of the interior and is magnetized in the height direction. In this state, the heater (2) placed on the inner wall of the heating chamber (8)
The toroidal core (1), heat-resistant magnetized bobbin (7)
), the entire heat-resistant magnetizing coil (6) is heated, and the toroidal core (1) is heat-treated in a magnetic field.
このとき被処理材のトロイダルコア(りは耐熱性磁化ボ
ビン(7)内の中央部、すなわち磁場の真っ県中にあり
、環状の軸方向に、有効かつ強力な磁場が作用し、その
状態で熱処理される。At this time, the toroidal core of the material to be treated is located in the center of the heat-resistant magnetized bobbin (7), that is, in the middle of the magnetic field, and an effective and strong magnetic field acts in the annular axial direction. Heat treated.
第2図は他の実施例を示す配置図である。図において、
被処理材のトロイダルコア(1)は、耐熱 。FIG. 2 is a layout diagram showing another embodiment. In the figure,
The toroidal core (1) of the material to be treated is heat resistant.
性磁化コイル(6)を巻回した耐熱性磁化ボビン(7)
の中央部に、同軸に単数または複数積層状態で挿入し、
さらに磁気漏洩と反磁界現象を克服するため、挿入コア
(1)の上下面または両端面を継鉄(9)で連結または
挟持して磁化し、トロイダルコア(1)から遠ざけて外
側に配置されたヒータ(2)により加熱処理する。Heat-resistant magnetized bobbin (7) wound with magnetic magnetized coil (6)
Insert one or more layers coaxially into the center of the
Furthermore, in order to overcome magnetic leakage and demagnetizing field phenomena, the upper and lower surfaces or both end surfaces of the insertion core (1) are connected or clamped with a yoke (9) and magnetized, and the core is placed outside and away from the toroidal core (1). Heat treatment is performed using a heated heater (2).
第2図では、被処理材のトロイダルコア(1)は、耐熱
性磁化ボビン(7)の中心部の最強磁場位置にあり、か
つ継鉄(9)によって閉磁気回路を形成し。In FIG. 2, the toroidal core (1) of the material to be treated is located at the strongest magnetic field position in the center of the heat-resistant magnetized bobbin (7), and forms a closed magnetic circuit with the yoke (9).
磁気漏洩と反磁界現象を防止しており、強力かつ有効な
磁場中で熱処理される。このためトロイダルコア(1)
の磁場中熱処理は、強力でかつ有効な磁化効果を受ける
ので、比較的小電源による磁化が可能である。また−時
に複数個のトロイダルコア(1)の処理が可能である。It prevents magnetic leakage and demagnetizing field phenomena, and is heat treated in a strong and effective magnetic field. For this reason, toroidal core (1)
Heat treatment in a magnetic field produces a strong and effective magnetizing effect, so magnetization can be achieved with a relatively small power source. Also, it is possible to process multiple toroidal cores (1) at times.
この発明によれば、被処理材のトロイダルコアは、有効
かつ強力な磁場の中で熱処理することが可能であり、そ
の磁場の強さは、反磁界係数が問題にならない大きさで
、その磁化電源は小型で安価なもので済むという効果が
ある。According to this invention, the toroidal core of the material to be treated can be heat treated in an effective and strong magnetic field, and the strength of the magnetic field is such that the demagnetizing field coefficient does not become a problem, and the toroidal core of the material to be treated can be heat-treated in an effective and strong magnetic field. This has the advantage that the power supply can be small and inexpensive.
第1図および第2図はこの発明の別の実施例によるトロ
イダルコアの磁場中熱処理方法を示す配置図、第3図は
従来法の配置図である。
各図中、同一符号は同一または相当部分を示し、(1)
はトロイダルコア、 (2)はヒータ、(6)は耐熱性
磁化コイル、(7)は耐熱性磁化ボビン、(8)は加熱
チャンバ、(9)は継鉄である。
代゛理人大岩増雄
6:面丁@a万はスるコイル1 and 2 are layout diagrams showing a method of heat treatment in a magnetic field for a toroidal core according to another embodiment of the present invention, and FIG. 3 is a layout diagram of a conventional method. In each figure, the same reference numerals indicate the same or corresponding parts, (1)
is a toroidal core, (2) is a heater, (6) is a heat-resistant magnetized coil, (7) is a heat-resistant magnetized bobbin, (8) is a heating chamber, and (9) is a yoke. Masuo Oiwa 6: Mencho @amanhasurucoil
Claims (1)
性磁化コイルを巻回した耐熱性磁化ボビン内に、被処理
材のトロイダルコアを、その環状軸方向に磁化されるよ
う位置させ、それらを加熱手段によって熱処理すること
を特徴とするトロイダルコアの磁場中熱処理方法。In a method of heat-treating a toroidal core in a magnetic field, the toroidal core of the material to be treated is positioned in a heat-resistant magnetized bobbin around which a heat-resistant magnetized coil is wound so as to be magnetized in the direction of its annular axis, and the toroidal core is heated by a heating means. A method for heat treating a toroidal core in a magnetic field, which is characterized by subjecting it to heat treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2698588A JPH0748436B2 (en) | 1988-02-08 | 1988-02-08 | Magnetic field heat treatment method for toroidal core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2698588A JPH0748436B2 (en) | 1988-02-08 | 1988-02-08 | Magnetic field heat treatment method for toroidal core |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01201419A true JPH01201419A (en) | 1989-08-14 |
JPH0748436B2 JPH0748436B2 (en) | 1995-05-24 |
Family
ID=12208459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2698588A Expired - Lifetime JPH0748436B2 (en) | 1988-02-08 | 1988-02-08 | Magnetic field heat treatment method for toroidal core |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0748436B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105970134A (en) * | 2016-05-04 | 2016-09-28 | 上海大学 | Device and method using electric current high throughput to prepare metal solidification and heat treatment samples |
-
1988
- 1988-02-08 JP JP2698588A patent/JPH0748436B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105970134A (en) * | 2016-05-04 | 2016-09-28 | 上海大学 | Device and method using electric current high throughput to prepare metal solidification and heat treatment samples |
Also Published As
Publication number | Publication date |
---|---|
JPH0748436B2 (en) | 1995-05-24 |
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