JPS6126357Y2 - - Google Patents
Info
- Publication number
- JPS6126357Y2 JPS6126357Y2 JP1982096928U JP9692882U JPS6126357Y2 JP S6126357 Y2 JPS6126357 Y2 JP S6126357Y2 JP 1982096928 U JP1982096928 U JP 1982096928U JP 9692882 U JP9692882 U JP 9692882U JP S6126357 Y2 JPS6126357 Y2 JP S6126357Y2
- Authority
- JP
- Japan
- Prior art keywords
- silicon steel
- coil
- hardened
- steel plate
- cylindrical induction
- 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.)
- Expired
Links
- 230000006698 induction Effects 0.000 claims description 38
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 26
- 239000000498 cooling water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- General Induction Heating (AREA)
Description
【考案の詳細な説明】
本考案は高周波焼入れコイル装置の改良に関す
るものである。[Detailed Description of the Invention] The present invention relates to an improvement of an induction hardened coil device.
従来から、円筒状高周波焼入れコイルの軸方向
側面にけい素鋼板を設けた高周波焼入れコイル装
置が知られている。この従来の高周波焼入れコイ
ル装置は、第１図、第２図に示すように、円筒状
高周波焼入れコイル１の軸方向両側面に、けい素
鋼板２が積層して設けられ、この積層されたけい
素鋼板２がビス３によつて円筒状高周波焼入れコ
イル１に固定される構成となつており、この円筒
状高周波焼入れコイル１に高周波電流を電通し
て、被焼入れ物体４に焼き入れを行なうようにさ
れているが、この従来の高周波焼入れコイル装置
は、円筒状高周波焼入れコイル１に高周波電流を
通電した際、第１図に示すように、けい素鋼板２
の表面近くにループ電流５が誘起されて、ジユー
ル熱が局所的に発生し、けい素鋼板２が熱焼損を
受けてその寿命が低下するという欠点を有してい
る。 Conventionally, an induction hardened coil device is known in which a silicon steel plate is provided on the axial side surface of a cylindrical induction hardened coil. As shown in FIGS. 1 and 2, this conventional induction hardened coil device has a cylindrical induction hardened coil 1 with silicon steel plates 2 laminated on both sides in the axial direction. A raw steel plate 2 is fixed to a cylindrical induction hardening coil 1 with screws 3, and a high frequency current is passed through the cylindrical induction hardening coil 1 to harden the object 4 to be hardened. However, in this conventional induction hardening coil device, when a high frequency current is applied to the cylindrical induction hardening coil 1, as shown in FIG.
A loop current 5 is induced near the surface of the silicon steel plate 2, and Joule heat is generated locally, which causes thermal burnout of the silicon steel plate 2 and shortens its lifespan.
本考案は、上記従来技術の有する欠点に鑑みて
なされたもので、本考案の特徴は、円筒状高周波
焼入れコイルの軸方向側面に放射状にけい素鋼板
を設けて、けい素鋼板に誘起されるループ電流を
小さく、かつ、閉回路の抵坑を大きくし、ジユー
ル熱が極力発生しないようにしてけい素鋼板の寿
命を延ばすようにしたところにある。 The present invention was made in view of the drawbacks of the above-mentioned prior art, and the feature of the present invention is that silicon steel plates are provided radially on the axial side of the cylindrical induction hardened coil, and the The purpose is to reduce the loop current and increase the resistance of the closed circuit, thereby minimizing the generation of Joule heat and extending the life of the silicon steel plate.
以下に本考案の実施例を図面に基いて説明す
る。 Embodiments of the present invention will be described below with reference to the drawings.
第３図、第４図は、本考案に係る高周波焼入れ
コイル装置の第１の実施例を示すもので、この図
において、６は円筒状高周波焼入れコイルであ
る。この円筒状高周波焼入れコイル６は、上下に
分割して構成されており、この分割円筒状高周波
焼入れコイル要素を符号６Ａ，６Ｂで示す。分割
円筒状高周波焼入れコイル要素６Ａ，６Ｂには冷
却水通路７と複数の墳射口８とが設けられてお
り、冷却水通路７は冷却水パイプ９に接続されて
いる。分割円筒状高周波焼入れコイル要素６Ａに
は、その軸方向両側面に、長方形状のけい素鋼板
１０が設けられている。このけい素鋼板１０は、
その長手方向端部に突起１１が設けられており、
突起１１が形成されていない方の端部が円筒状高
周波焼入れコイルの中心に向かうようにして、分
割円筒状高周波焼入れコイル要素６Ａに放射状に
配列されている。このけい素鋼板１０は、固定金
具１２を使用して分割円筒状高周波焼入れコイル
要素６Ａに固定されるもので、固定金具１２に
は、突起１１と係合する係合溝１３が形成され、
固定にはビス１４が使用されている。 3 and 4 show a first embodiment of the induction hardening coil device according to the present invention, and in these figures, 6 is a cylindrical induction hardening coil. The cylindrical induction hardened coil 6 is divided into upper and lower parts, and the divided cylindrical induction hardened coil elements are designated by reference numerals 6A and 6B. The divided cylindrical induction hardened coil elements 6A and 6B are provided with a cooling water passage 7 and a plurality of injection ports 8, and the cooling water passage 7 is connected to a cooling water pipe 9. The divided cylindrical induction hardened coil element 6A is provided with rectangular silicon steel plates 10 on both axial sides thereof. This silicon steel plate 10 is
A protrusion 11 is provided at its longitudinal end,
They are arranged radially in the divided cylindrical induction hardened coil elements 6A, with the end on which the protrusion 11 is not formed facing the center of the cylindrical induction hardened coil. This silicon steel plate 10 is fixed to the split cylindrical induction-hardened coil element 6A using a fixing fitting 12, and the fixing fitting 12 is formed with an engagement groove 13 that engages with the protrusion 11.
Screws 14 are used for fixing.
分割円筒状高周波焼入れコイル要素６には、コ
字形状のけい素鋼板１５が、その軸方向両側面に
〓〓〓〓〓
設けられている。このけい素鋼板１５は、接着剤
を使用して放射状に配列固定されるものであり、
被焼入れ物体１６に焼入れを行なう際には、分割
円筒状高周波焼入れコイル６Ａと分割円筒状高周
波焼入れコイル６Ｂとを接合して行なうものであ
る。ここでは、被焼入れ物体１６として、凹状角
部１７と薄フランジ部１８とを有する製品が使用
されており、分割円筒状高周波焼入れコイル６Ａ
は、、薄フランジ部１８に焼入れを行なうための
ものとされており、分割円筒状高周波焼入れコイ
ル要素６Ｂは凹状角部１７に焼入れを行なうため
のものとされている。けい素鋼板１０は、分割円
筒状高周波焼入れコイル要素６Ａの内径側先端ま
でを被覆するようにして取り付けられており、薄
フランジ部１８に誘導電流が極力誘起されないよ
うにして、薄フランジ部１８の焼き割れ防止を図
る工夫がなされている。分割円筒状高周波焼入れ
コイル要素６Ｂには、その先端部に突起２０が形
成されており、けい素鋼板１５はこの突起２０を
被覆しないようにして取り付けられており、凹状
角部１７に極力誘導電流が励起されるように工夫
され、効率よく焼入れが行なわれるようにされて
いる。 The split cylindrical induction hardened coil element 6 has U-shaped silicon steel plates 15 on both sides in the axial direction.
It is provided. The silicon steel plates 15 are arranged and fixed in a radial manner using adhesive.
When hardening the object 16 to be hardened, the divided cylindrical induction hardening coil 6A and the divided cylindrical induction hardening coil 6B are joined together. Here, a product having a concave corner portion 17 and a thin flange portion 18 is used as the object to be hardened 16, and a divided cylindrical induction hardening coil 6A is used.
is used to harden the thin flange portion 18, and the divided cylindrical induction hardened coil element 6B is used to harden the concave corner portion 17. The silicon steel plate 10 is attached so as to cover the inner diameter side tip of the split cylindrical induction-hardened coil element 6A, and is designed to prevent induced current from being induced in the thin flange portion 18 as much as possible. Efforts have been made to prevent cracking. The divided cylindrical induction hardened coil element 6B has a protrusion 20 formed at its tip, and the silicon steel plate 15 is attached so as not to cover the protrusion 20, so as to prevent induced current in the concave corner 17 as much as possible. It is devised so that it is excited so that hardening can be carried out efficiently.
この実施例によれば、円筒状高周波焼入れコイ
ルの両側面に放射状にけい素鋼板が設けられてい
るので、けい素鋼板に誘起されるループ電流の閉
回路の抵坑を大きくすることができ、ジユール熱
が局所的に発生することを防止でき、けい素綱板
の寿命を延ばすことができるという効果を奏する
他、薄フランジ部の焼われ防止、焼入れの効率
化、電流ロスの防止を図れるという効果を奏す
る。 According to this embodiment, since the silicon steel plates are provided radially on both sides of the cylindrical induction hardened coil, the closed circuit resistance of the loop current induced in the silicon steel plates can be increased. It is said that it can prevent local heat generation and extend the life of silicon steel plates, as well as prevent thin flanges from burning, improve hardening efficiency, and prevent current loss. be effective.
第５図ないし第７図は、本考案に係る第２の実
施例を示すもので、被焼入れ物体１６の凹状角部
１７に高周波焼入れコイル装置を用いた例を示す
もので、ここでは、円筒状高周波焼入れコイル６
に、放射状にコの字形状のけい素鋼板１５をその
全周にわたつて配列したものであり、第７図はこ
の円筒状高周波焼入れコイル６に配列したけい素
鋼板１５に誘起されるループ電流の流れを示すも
のであり、この第７図において、このループ電流
の流れは、破線で示されている。 5 to 7 show a second embodiment of the present invention, in which an induction hardening coil device is used for a concave corner 17 of an object 16 to be hardened. shaped induction hardened coil 6
, U-shaped silicon steel plates 15 are arranged radially around the entire circumference, and FIG. 7 shows the loop current induced in the silicon steel plates 15 arranged in this cylindrical induction hardening coil 6. In FIG. 7, the flow of this loop current is shown by a broken line.
その他の構成要素は、前記実施例と大略同一で
あるので、前記実施例と同一の構成要素について
は、前記実施例の構成要素と同一付号を付してそ
の詳細な説明を省略する。なお、２１は電源に接
続されたリード板である。 The other components are generally the same as those in the embodiment described above, so the same components as in the embodiment described above will be given the same reference numbers as those in the embodiment described above, and detailed explanation thereof will be omitted. Note that 21 is a lead plate connected to a power source.
この実施例による場合、前記実施例と同様に、
ループ電流の閉回路の電気抵坑を大きくとること
ができるので、ジユール熱の発生を極力防止する
ことができると共に、放熱面積が大きくなるよう
に構成されているので、発生したジユル熱をすみ
やかに放散させることができる。 According to this embodiment, similarly to the previous embodiment,
Since the electric resistance of the closed circuit of the loop current can be increased, the generation of heat generated by heat can be prevented as much as possible, and the heat dissipation area is configured to be large, so the generated heat can be quickly dissipated. It can be dissipated.
この実施例の効果を要約すると、
(イ) 円筒状高周波焼入れコイルに高周波電流を通
電した際、けい素鋼板に誘起されるループ電流
を小さくできるので、従来のものに較べて、け
い素鋼板の寿命を100ないし500倍に延ばすこと
ができる。 To summarize the effects of this embodiment, (a) When high-frequency current is applied to the cylindrical induction hardened coil, the loop current induced in the silicon steel plate can be reduced, so compared to the conventional one, the silicon steel plate It can extend the lifespan by 100 to 500 times.
(ロ) けい素鋼板によつて、薄フランジ部に高周波
電流が極力誘起されないようにしているので、
フエライトコア、パーマロイ薄板を使用したも
のに較べて焼き割れ防止の向上を図ることがで
きる。(b) The silicon steel plate prevents high frequency current from being induced in the thin flange as much as possible.
Compared to those using a ferrite core and permalloy thin plate, it is possible to improve the prevention of cracking due to quenching.
(ハ) けい素鋼板に極力ルーブ電流が誘起されない
ようになつているから、エネルギー損失の防止
を図ることができ、実験的には、従来のものに
較べて1.3ないし1.5倍の改善を図ることができ
た。(c) Since lube current is not induced in the silicon steel plate as much as possible, energy loss can be prevented, and experimentally it has been shown to be 1.3 to 1.5 times better than the conventional one. was completed.
本考案は以上説明したように構成したので、け
い素鋼板の寿命を延ばすことができるという効果
を奏する。 Since the present invention is constructed as described above, it has the effect of extending the life of the silicon steel plate.
第１図は従来の高周波焼入れコイル装置の平面
図、第２図は従来の高周波焼入れコイル装置を使
用して焼入れを行なつている状態を示す説明図、
第３図は本考案に係る高周波焼入れコイル装置の
平面図、第４図は本考案に係る高周波焼入れコイ
ル装置を使用して焼入れを行なつている状態を示
す説明図、第５図ないし第７図は本考案に係る高
周波焼入れコイル装置の第２の実施例を示すもの
で、第５図は本考案に係る高周波焼入れコイル装
置の平面図、第６図はその使用説明図、第７図は
本考案に係るけい素鋼板に誘起されるループ電流
を説明するための部分拡大斜視図、である。
６……円筒状高周波焼入れコイル、１５……け
い素鋼板、１６……被焼入物体、１７……凹状角
部、１８……薄フランジ部。
〓〓〓〓〓
FIG. 1 is a plan view of a conventional induction hardening coil device, and FIG. 2 is an explanatory diagram showing a state in which hardening is performed using the conventional induction hardening coil device.
FIG. 3 is a plan view of the induction hardening coil device according to the present invention, FIG. 4 is an explanatory diagram showing a state in which hardening is performed using the induction hardening coil device according to the present invention, and FIGS. 5 to 7 The figures show a second embodiment of the induction hardened coil device according to the present invention, FIG. 5 is a plan view of the induction hardened coil device according to the present invention, FIG. 6 is an explanatory diagram of its use, and FIG. FIG. 2 is a partially enlarged perspective view for explaining a loop current induced in a silicon steel plate according to the present invention. 6... Cylindrical induction hardening coil, 15... Silicon steel plate, 16... Object to be hardened, 17... Concave corner portion, 18... Thin flange portion. 〓〓〓〓〓
Claims (1)
射状にけい素鋼板が設けられている高周波焼入れ
コイル装置。 An induction hardening coil device in which silicon steel plates are provided radially on the axial side surface of a cylindrical induction hardening coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982096928U JPS594759U (en) | 1982-06-28 | 1982-06-28 | Induction hardening coil equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982096928U JPS594759U (en) | 1982-06-28 | 1982-06-28 | Induction hardening coil equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS594759U JPS594759U (en) | 1984-01-12 |
| JPS6126357Y2 true JPS6126357Y2 (en) | 1986-08-07 |
Family
ID=30230779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982096928U Granted JPS594759U (en) | 1982-06-28 | 1982-06-28 | Induction hardening coil equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS594759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6431918A (en) * | 1987-07-29 | 1989-02-02 | High Frequency Heattreat | Heating coil for one shot quenching in peripheral surface |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2170122B (en) * | 1985-01-26 | 1988-11-30 | Glaverbel | Process of forming a refractory mass and lance for spraying particulate exothermically oxidisable material |
-
1982
- 1982-06-28 JP JP1982096928U patent/JPS594759U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6431918A (en) * | 1987-07-29 | 1989-02-02 | High Frequency Heattreat | Heating coil for one shot quenching in peripheral surface |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS594759U (en) | 1984-01-12 |
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