JPS60106629A - Electromagnetic forming device - Google Patents
Electromagnetic forming deviceInfo
- Publication number
- JPS60106629A JPS60106629A JP58214849A JP21484983A JPS60106629A JP S60106629 A JPS60106629 A JP S60106629A JP 58214849 A JP58214849 A JP 58214849A JP 21484983 A JP21484983 A JP 21484983A JP S60106629 A JPS60106629 A JP S60106629A
- Authority
- JP
- Japan
- Prior art keywords
- forming die
- mold
- electromagnetic
- resin
- forming apparatus
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は被加工物を成形加工する成形型の型材を改良し
7’C電磁成形装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a 7'C electromagnetic forming apparatus that improves the material of a forming die for forming a workpiece.
金属管を広げたり縮めたり成形加工するのに電磁力を利
用し7’(電磁成形装置音用いることは従来よシ知られ
ている。第1図は電磁成形装置の回路図で、電流源So
から大″或流を通電スイッチSを介してソレノイドコイ
ルSCへ流す。東磁誘導の原理によってこの′電流は被
加工物Aにも流れる。It is well known that electromagnetic force is used to expand, contract, and form metal tubes.
A large current flows from the energizing switch S to the solenoid coil SC.This current also flows to the workpiece A according to the principle of Tomagnetic induction.
この電流とソレノイドコイ1vSCによる磁場との相互
作用によシ、彼加]二物Aに半径方向の力Fが作用する
。この半径方向の力P゛によシ被加工物Aは成形加工さ
れる。Due to the interaction between this current and the magnetic field generated by the solenoid coil 1vSC, a radial force F acts on the two objects A. The workpiece A is formed by this radial force P'.
次に電磁成形装置の一例を第2図について説明する。Next, an example of an electromagnetic forming apparatus will be described with reference to FIG.
ソレノイドコイル1に電流を流すと、ソレノイドコイル
1と被加工物2の闇に磁場を発生するとともに被加工物
2に直流を誘起する。この磁場とih:fMの相互作用
によシ外向の力Fが作用し、この外向の力Fにより被加
工物2は図において外側(成形型の方向)へ押し広げ、
押し広げられた被加工物2は成形型3にそって成形加工
される。When a current is passed through the solenoid coil 1, a magnetic field is generated between the solenoid coil 1 and the workpiece 2, and a direct current is induced in the workpiece 2. Due to the interaction between this magnetic field and ih:fM, an outward force F acts, and this outward force F pushes the workpiece 2 outward (in the direction of the mold) in the figure.
The spread workpiece 2 is molded along the mold 3.
従来は成形型3に機械的強度などの問題から鋼などの金
属が用いられていた。しかし成形型に金属を用いると、
α)ソレノイドコイルによる電流が成形型にも流れて電
源効率が低下する。Conventionally, metal such as steel has been used for the mold 3 due to problems such as mechanical strength. However, if metal is used for the mold, the current from the solenoid coil also flows through the mold, reducing power efficiency.
(2)被加工物が拡管していった場合に成形型と被加工
物の間に漏れた磁場を濃縮することにな)、内側向の力
が作用するので加工効率が低下する。(2) When the workpiece expands, the magnetic field leaking between the mold and the workpiece is concentrated), and an inward force acts, reducing processing efficiency.
(3)被加工物が成形型に接触した場合、被加工物また
は成形型に流れていた大電流が双方に流れ、被加工物表
面に放″RL痕が現われる
などの種々の欠点があった。(3) When the workpiece comes into contact with the mold, the large current flowing through the workpiece or the mold flows to both sides, resulting in various drawbacks such as the appearance of radiation RL marks on the surface of the workpiece. .
本発明はt記の欠点を除去した電磁成形装置を提供しよ
うとするものである。The present invention aims to provide an electromagnetic forming apparatus that eliminates the drawbacks mentioned above.
本発明は金属の表面に例えばテフロンなどの樹脂をコー
ティングして樹脂層を形成した成形型を電磁成形装置に
用いると、樹脂層によって成形型と被加工物の間が絶縁
されるので、被加工物カニ他の金属(成形型)に直接接
触しないので、成形型に金属のみを用いた場合の欠点が
解消できる。In the present invention, when a mold in which a resin layer is formed by coating a metal surface with a resin such as Teflon is used in an electromagnetic forming apparatus, the resin layer insulates the mold and the workpiece. Since the mold does not come into direct contact with other metals (molding molds), the disadvantages of using only metal for the molding mold can be overcome.
また金属の代りに例えばセラミ、ノクスなどの磁器を成
形型に用いた場合、例えばエポキシ樹月旨あるいはエポ
キシ樹脂にガラス繊維、ケイ砂などのフィラーを混合し
た樹脂を成形型に用いた場合、磁器、樹脂は絶縁物であ
るので、成形型に直流力(流れなくなり、成形型に金属
のみを用いた場合の欠点が解消できる。In addition, if porcelain such as ceramic or Nox is used in the mold instead of metal, for example, if epoxy resin or a resin mixed with epoxy resin and filler such as glass fiber or silica sand is used in the mold, porcelain Since the resin is an insulator, there is no direct current (current flow) in the mold, which eliminates the disadvantages of using only metal in the mold.
なお、成形型に樹脂を用いる場合、エポキシ樹脂にガラ
ス繊維、ケイ砂などのフィラーを混合した樹脂を用いた
方が、エポキシ樹脂のみを用いた場合よりも衝撃などの
機械的強度に優れる。Note that when using resin for the mold, using a resin that is a mixture of epoxy resin with fillers such as glass fiber and silica sand has better mechanical strength against impact, etc. than when using only epoxy resin.
斜上のように本発明の′電磁成形装置は、金網の表面に
樹脂をコーティングして樹脂層を形成した成形型、磁器
よりなる成形型、樹脂または樹脂にフィラーを混合した
樹脂よりなる成形型を用いることによシ、電源効率が向
上、加工効率が向上、被加工物の表面状態が良くなるな
どの効果があり、工柴的ならびに実用的価値大なるもの
である。As shown above, the electromagnetic forming apparatus of the present invention can be used to form a mold in which a resin layer is formed by coating the surface of a wire mesh, a mold made of porcelain, a mold made of a resin or a resin mixed with a filler. By using this method, there are effects such as improved power supply efficiency, improved processing efficiency, and improved surface condition of the workpiece, which is of great industrial and practical value.
第1図はtMi成形装置の回路図、5g2図は電磁成形
装置の説明図である。
So :直流源
sc、i:ソレノイドコイル
A、2:仮加工物
3:成形型
S二通電スイッチ
特許出願人
日本コンデンサ工業株式会社
武内プレス工業株式会社
第1図
第2図
23FIG. 1 is a circuit diagram of the tMi molding device, and FIG. 5g2 is an explanatory diagram of the electromagnetic molding device. So: DC source sc, i: Solenoid coil A, 2: Temporary workpiece 3: Molding mold S double energizing switch Patent applicant: Nippon Capacitor Industry Co., Ltd. Takeuchi Press Industry Co., Ltd. Figure 1 Figure 2 Figure 23
Claims (6)
イルにエネルギーを伝送してパルス磁場を発生させ、そ
の電磁力によって該コイルと該コイルの周辺部に配置し
た成形型との間に載置された金属などの岐加工物k b
XX前加工る電磁成形装置において、上記成ノし型の被
加工物との接触する面は少なくとも非金庫材料が用いら
れていることを特徴とする[L醸成形装置。(1) A pulsed magnetic field is generated by transmitting energy from a large current source to a solenoid coil via a switch, and the electromagnetic force is used to place the coil between the coil and a mold placed around the coil. Placed workpieces such as metal k b
XX An electromagnetic forming apparatus for pre-processing is characterized in that a non-safe material is used at least on the surface of the forming mold that comes into contact with the workpiece [L-brewing forming apparatus].
ことを特徴とする特許請求の範囲第1項記載の電磁成形
装置、。(2) The electromagnetic molding apparatus according to claim 1, wherein the mold is made of porcelain or resin.
樹脂がコーティングされていることを特徴とする特許請
求の範囲第1項記載の電磁成形装置。(3) The electromagnetic molding apparatus according to claim 1, wherein the mold is made of metal and has a surface coated with Teflon resin.
載の電磁成形装置。(4) The electromagnetic forming apparatus according to claim 2, wherein the porcelain is ceramic.
記載の電磁成形装置。(5) The electromagnetic forming apparatus according to claim 2, wherein the resin is an epoxy resin.
フィラーを混合したものである特許請求の範囲第2項記
載の’l電磁成形装置(6) The electromagnetic forming apparatus according to claim 2, wherein the resin is a mixture of epoxy resin and filler such as glass fiber and silica sand.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58214849A JPS60106629A (en) | 1983-11-14 | 1983-11-14 | Electromagnetic forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58214849A JPS60106629A (en) | 1983-11-14 | 1983-11-14 | Electromagnetic forming device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60106629A true JPS60106629A (en) | 1985-06-12 |
Family
ID=16662558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58214849A Pending JPS60106629A (en) | 1983-11-14 | 1983-11-14 | Electromagnetic forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60106629A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995027576A1 (en) * | 1994-04-12 | 1995-10-19 | Grumman Aerospace Corporation | Forming grooves in a tubular member |
US5855053A (en) * | 1996-06-18 | 1999-01-05 | Northrop Grumman Corporation | Method and forming die for fabricating spiral groove torque tube assemblies |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542140A (en) * | 1978-09-18 | 1980-03-25 | Inoue Japax Res Inc | Coil for electromagnetic forming |
JPS55109522A (en) * | 1979-02-14 | 1980-08-23 | Inoue Japax Res Inc | Electromagnetic forming apparatus |
JPS59141329A (en) * | 1983-01-31 | 1984-08-14 | Agency Of Ind Science & Technol | Method for preventing surface damage in electromagnetic forming |
-
1983
- 1983-11-14 JP JP58214849A patent/JPS60106629A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542140A (en) * | 1978-09-18 | 1980-03-25 | Inoue Japax Res Inc | Coil for electromagnetic forming |
JPS55109522A (en) * | 1979-02-14 | 1980-08-23 | Inoue Japax Res Inc | Electromagnetic forming apparatus |
JPS59141329A (en) * | 1983-01-31 | 1984-08-14 | Agency Of Ind Science & Technol | Method for preventing surface damage in electromagnetic forming |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995027576A1 (en) * | 1994-04-12 | 1995-10-19 | Grumman Aerospace Corporation | Forming grooves in a tubular member |
US5855053A (en) * | 1996-06-18 | 1999-01-05 | Northrop Grumman Corporation | Method and forming die for fabricating spiral groove torque tube assemblies |
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