JP2001073006A - Production of sheet material and device therefor - Google Patents
Production of sheet material and device thereforInfo
- Publication number
- JP2001073006A JP2001073006A JP24457799A JP24457799A JP2001073006A JP 2001073006 A JP2001073006 A JP 2001073006A JP 24457799 A JP24457799 A JP 24457799A JP 24457799 A JP24457799 A JP 24457799A JP 2001073006 A JP2001073006 A JP 2001073006A
- Authority
- JP
- Japan
- Prior art keywords
- sheet material
- powder
- pair
- composite sheet
- electrode
- 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
- Powder Metallurgy (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、通電性粉末材料を
粉末状態から直接圧下成形して、特に薄板を製造する方
法及び装置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 apparatus for producing a thin plate by directly pressing an electrically conductive powder material from a powder state.
【０００２】[0002]
【従来の技術】タングステンやモリブデンなどの難加工
性通電材料の粉末を常温高圧下で成形し、さらに焼結、
熱間鍛造、圧延などの加工工程を経てシート材を連続的
に製造する方法は従来から知られている。2. Description of the Related Art A powder of a difficult-to-work current-carrying material such as tungsten or molybdenum is molded at room temperature and high pressure, and then sintered.
2. Description of the Related Art A method for continuously manufacturing a sheet material through processing steps such as hot forging and rolling has been conventionally known.
【０００３】しかし、かかる方法は加工工程が複雑であ
り、様々な設備を必要とし、歩留りが悪く、製品コスト
が高い問題点があった。そのため、高温状態で粉末を直
接圧延することにより、焼結、熱間鍛造、圧延などの加
工工程を経ずに直接薄板を製造する粉末圧延手段が提案
されている（例えば、特開平２−１１５３０２号、特開
平７−１３８６１０号、特開平１１−１５８５１０号公
報、等）。[0003] However, such a method has problems that the processing steps are complicated, various facilities are required, the yield is low, and the product cost is high. Therefore, powder rolling means has been proposed in which a thin plate is directly produced by directly rolling the powder in a high temperature state without going through processing steps such as sintering, hot forging, and rolling (for example, Japanese Patent Laid-Open No. 2-115302). JP-A-7-138610, JP-A-11-158510, etc.).
【０００４】[0004]
【発明が解決しようとする課題】特開平２−１１５３０
２号公報の粉末圧延手段は、図４に模式的に示すよう
に、２本の通電ロール１の間に導電性粉末３を供給さ
せ、その通電ロール間に通電して粉末を抵抗加熱し、高
温状態で粉末圧延するものである。なお、図４で、２は
ホッパ、４は成形されたシート材、５は電源装置であ
る。また、異種金属を混合した粉末を考慮した通電圧延
成形手段として特開平１１−１５８５１号公報で提案さ
れている。更に、所望の発熱量を得るための加熱部の電
気抵抗を増大させ、電流を小さくするため手法として、
特開平０７−１３８６１０号公報の通電粉末圧延手段
は、一対の通電ロール上部の粉体滞留部分に電極板を設
け電極間距離を長くすることにより電気抵抗を増大させ
る事により電流を低下させる方法を提案している。Problems to be Solved by the Invention
As shown schematically in FIG. 4, the powder rolling means disclosed in Japanese Unexamined Patent Publication No. 2 (1994) supplies a conductive powder 3 between two current-carrying rolls 1, and supplies current between the current-carrying rolls to resistance-heat the powder. Powder rolling is performed at a high temperature. In FIG. 4, 2 is a hopper, 4 is a formed sheet material, and 5 is a power supply device. Japanese Patent Application Laid-Open No. H11-15851 has proposed a current-rolling forming means in consideration of powder mixed with dissimilar metals. Furthermore, as a method for increasing the electric resistance of the heating unit to obtain a desired heat generation and reducing the current,
Japanese Patent Application Laid-Open No. 07-138610 discloses a method of energizing powder rolling in which a current is reduced by providing an electrode plate in a powder stagnation portion above a pair of energizing rolls and increasing the distance between the electrodes to increase electric resistance. is suggesting.
【０００５】しかし、高温処理を行うために大電流が要
求されるが、図４に図示された手段は、通電方式に於い
て電源装置より通電ロールに給電する部材であるスリッ
プリングは摺動リングの外径を大きくするか、胴長を長
くするか、または両者を組み合わせるか何れかの対策が
必要となり、設備が大型となり設備コストがアップし、
また構造上の制約より設置不能となると云う問題点があ
った。一方、通電ロールを支持する回転部分の電蝕及び
リーク電流（迷走電流）ために絶縁抵抗の高い絶縁対策
が必要であった。また、図５に図示された粉体部に電極
板を有した手法は、前記図４の問題点に加え通電ロール
間に挿入される粉体の流れを阻害する問題があった。However, a large current is required to perform the high-temperature treatment. However, the means shown in FIG. It is necessary to take measures to increase the outer diameter of the body, increase the body length, or combine the two, the equipment becomes large and the equipment cost increases,
In addition, there is a problem that installation is impossible due to structural restrictions. On the other hand, due to electrolytic corrosion and leakage current (stray current) of the rotating part supporting the energizing roll, insulation measures having high insulation resistance were required. Further, the method of having an electrode plate in the powder portion shown in FIG. 5 has a problem that the flow of the powder inserted between the energizing rolls is obstructed in addition to the problem of FIG.
【０００６】本発明は、かかる問題点を解決するために
創案されたものである。即ち、本発明の目的は、粉体元
来の性状を損なうことなくシート材を効率的に製造する
方法及び装置を提供することにある。The present invention has been made to solve such a problem. That is, an object of the present invention is to provide a method and an apparatus for efficiently manufacturing a sheet material without impairing the original properties of the powder.
【０００７】[0007]
【課題を解決するための手段】本発明によれば、薄い帯
状基材（１１）を一対の成形ロール（１２）のロール隙
に通し、その両側に粉末材料（１３）を供給し、成形ロ
ール間で粉末材料を加圧して基材と粉末材料からなるシ
ート材（１５）を成形し、次いで該複合シート材を少な
くとも一対の電極シュー（１４）の間に張力を付して通
し、その間で通電して粉末材料を加熱する、ことを特徴
とするシート材の製造方法が提供される。According to the present invention, a thin strip-shaped substrate (11) is passed through a gap between a pair of forming rolls (12), and powder material (13) is supplied to both sides thereof. The powder material is pressed between them to form a sheet material (15) made of the base material and the powder material, and then the composite sheet material is passed through at least a pair of electrode shoes (14) under tension. A method for producing a sheet material is provided, wherein a current is applied to heat a powder material.
【０００８】また、本発明によれば、一対の成形ロール
（１２）と、その下流に設けられた少なくとも一対の電
極シュー（１４）とを備え、薄い帯状基材（１１）を成
形ロールのロール間隙に通し、その両側に粉末材料（１
３）を供給し、成形ロール間で基材と粉末材料と加圧し
てをシート材（１５）を成形し、次いで該シート材を少
なくとも一対の電極シューの間に張力を付して通し、そ
の間で通電して粉末材料を加熱する、ことを特徴とする
シート材の製造装置が提供される。According to the present invention, there is provided a pair of forming rolls (12) and at least a pair of electrode shoes (14) provided downstream of the forming rolls (12). The powder material (1
3) is supplied, the base material and the powder material are pressed between forming rolls to form a sheet material (15), and then the sheet material is passed through at least a pair of electrode shoes under tension. And heating the powder material by applying a current to the sheet material.
【０００９】上記本発明の方法及び装置によれば、帯状
金属基材（１１）と粉末材料（１３）とを合わせたもの
を成形ロール（１２）にて加熱することなく単に加圧成
形し、成形した複合シート材（１５）は、成形ロール下
流に設置された上下少なくとも一対の電極シュー（１
４）で通電して加熱するので、短時間に加熱を加えて金
属間融合を抑制し金属間を密着したシート材を製造する
ことができる。すなわち、芯材表面に粉体を圧縮成形さ
れたシート材にライン方向の張力を付加させることが可
能となり成形ロール下流にライン方向に位置をずらした
上下少なくとも一対電極シュー（１４）を設けることに
より、電極間抵抗が増加し、供給電圧をアップすること
で供給電力が増大し、急速に加熱できるため、粉体間の
結合が瞬時に行われ、これにより、粉体自体の特性を損
なうことがなくシート材を製造することができる。ま
た、通電ロールに変え単なる加圧成形ロールとすること
により、過大なスリップリングが不要となり、絶縁対策
も回転部材を含む絶縁対策に比較して簡便な固定部材の
絶縁対策が可能となる。According to the method and the apparatus of the present invention, a combination of the strip-shaped metal base material (11) and the powder material (13) is simply press-formed without heating with a forming roll (12), The formed composite sheet material (15) is provided with at least a pair of upper and lower electrode shoes (1) installed downstream of a forming roll.
Since the heating is performed by energizing in step 4), heating can be applied in a short time to suppress fusion between the metals and to manufacture a sheet material in which the metals are in close contact with each other. That is, it is possible to apply a tension in the line direction to the sheet material obtained by compressing and molding the powder on the surface of the core material, and by providing at least one pair of upper and lower electrode shoes (14) shifted in the line direction downstream of the forming roll. The resistance between the electrodes increases, the supply power increases by increasing the supply voltage, and the power can be rapidly increased, so that the bonding between the powders is instantaneously performed, thereby impairing the characteristics of the powder itself. Sheet material can be manufactured without using the same. Further, by using a mere pressure forming roll instead of the energizing roll, an excessive slip ring is not required, and a simpler measure for insulation of the fixed member can be achieved as compared with insulation measures including a rotating member.
【００１０】本発明の第２の実施形態によれば、電極シ
ュー（１４）の下流に圧延機（１６）を備え、通電加熱
した複合シート材（１５）を圧延して粉末材料間を更に
結合する。かかる圧延機（１６）を備えることにより、
粉末材料間の結合のみならず、帯状基材と粉末材料との
結合も強固にでき、かつ完成したシート材の板厚を均一
にすることができる。According to a second embodiment of the present invention, a rolling mill (16) is provided downstream of the electrode shoe (14), and the electrically heated composite sheet material (15) is rolled to further join the powder materials. I do. By providing such a rolling mill (16),
Not only the bonding between the powder materials, but also the bonding between the belt-shaped base material and the powder material can be strengthened, and the thickness of the completed sheet material can be made uniform.
【００１１】さらに、圧下成形した複合シート材（１
５）を不活性ガス雰囲気、還元雰囲気または真空雰囲気
に保持するチャンバー（１８）を備える。かかるチャン
バー（１８）を備えることにより、複合シート材（１
５）の酸化防止ができ、粉末材料間、及び帯状基材と粉
末材料との結合を安定させることができる。Furthermore, the composite sheet material (1
5) is provided with a chamber (18) for maintaining an inert gas atmosphere, a reducing atmosphere, or a vacuum atmosphere. By providing such a chamber (18), the composite sheet material (1
The oxidation of 5) can be prevented, and the bonding between the powder materials and between the belt-like base material and the powder materials can be stabilized.
【００１２】[0012]
【発明の実施の形態】以下、本発明の好ましい実施の形
態を図面を参照して説明する。なお、各図において共通
する部分には同一の符号を付し、重複した説明を省略す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. In addition, the same reference numerals are given to the common parts in the respective drawings, and the duplicate description will be omitted.
【００１３】図１は、本発明によるシート材の製造装置
の第１実施形態図である。この図示するように、本発明
の製造装置１０は、１対の成形ロール１２と、下流の複
合シート材１５の流れ方向を変換するガイドロール１９
ａを介して、その下流に設けられた少なくとも１対の電
極シュー１４とを備え、薄い帯状金属基材１１を成形ロ
ール１２のロール間隙に通し、その両側に通電性粉末材
料１３を供給し、成形ロール間で加圧して基材１１と通
電性粉末材料１３からなる複合シート材１５を成形し、
次いで複合シート材１５を少なくとも１対の電極シュー
１４の間に張力を付して通し、その間で通電加熱して粉
末材料を加熱成形させるようになっている。FIG. 1 is a diagram showing a first embodiment of a sheet material manufacturing apparatus according to the present invention. As shown in the drawing, the manufacturing apparatus 10 of the present invention includes a pair of forming rolls 12 and a guide roll 19 for changing the flow direction of the downstream composite sheet material 15.
a at least one pair of electrode shoes 14 provided downstream thereof through a, a thin strip-shaped metal base material 11 is passed through a roll gap of a forming roll 12, and an electrically conductive powder material 13 is supplied to both sides thereof. Pressing between forming rolls to form a composite sheet material 15 composed of the base material 11 and the conductive powder material 13,
Next, the composite sheet material 15 is passed through at least one pair of electrode shoes 14 with tension applied thereto, and the powder material is heated and formed by applying electric current during the tension.
【００１４】図１の製造装置１０では、コイル状に巻い
た帯状基材１１が、成形ロール１２の上部に設置され、
巻き戻した帯状基材１１を成形ロール１２のロール隙を
通し、次いで電極シュー１４の間を通して、巻取り機１
７で連続的に巻き取るようになっている。なお、この図
における１９ａ，１９ｂは、ガイドローラであり、成形
ロール１２を出た複合シート材１５をスムースに電極シ
ュー１４の間に案内するようになっている。In the manufacturing apparatus 10 shown in FIG. 1, a strip-shaped base material 11 wound in a coil shape is set on an upper part of a forming roll 12.
The unwound strip-shaped substrate 11 is passed through the roll gap of the forming roll 12, and then passed between the electrode shoes 14.
At 7, it is wound up continuously. In this figure, reference numerals 19a and 19b denote guide rollers, which smoothly guide the composite sheet material 15 having exited the forming roll 12 between the electrode shoes 14.
【００１５】帯状基材１１は、箔材、ラスメタルまたは
パンチメタルの帯状通電性基材であるのがよい。更ラス
メタルまたはパンチメタルの帯状通電性基材は厚み方向
に貫通された開孔部を有することにより、開孔部内に粉
末材料１３を充填することにより、帯状基材１１と粉末
材料１３との接触面積を増大させ、加圧成形以降の通板
時の基材と粉体との剥離を防止し、幅方向に均一な比抵
抗を有したシート材が得られる。The band-shaped base material 11 is preferably a band-shaped conductive base material of a foil material, lath metal or punch metal. The lath metal or punched metal strip-shaped conductive base material has an opening penetrated in the thickness direction, so that the opening material is filled with the powder material 13 so that the contact between the strip-shaped base material 11 and the powder material 13 occurs. The area is increased, the separation of the base material and the powder at the time of passing the plate after the pressure molding is prevented, and a sheet material having a uniform resistivity in the width direction can be obtained.
【００１６】一対の成形ロール１２は、ロール間隙を挟
んで水平に配置され、そのロール間を帯状基材１１が先
づ挿入される。また、成形ロール１２のロール間隙の上
部には、帯状基材１１の両側に粉末材料１３が図示しな
い供給装置により連続的に供給される。更に、一対の成
形ロール１２には同期回転駆動装置が付設され、帯状基
材１１と粉末材料１３とを加圧し複合シート材１５を成
形し、下方に搬送する。The pair of forming rolls 12 are disposed horizontally with a gap between the rolls, and the strip-shaped base material 11 is inserted between the rolls first. The powder material 13 is continuously supplied to the upper part of the gap between the forming rolls 12 on both sides of the belt-shaped substrate 11 by a supply device (not shown). Further, a synchronous rotation driving device is attached to the pair of forming rolls 12, and presses the belt-shaped base material 11 and the powder material 13 to form a composite sheet material 15 and conveys it downward.
【００１７】少なくとも１対の電極シュー１４は、この
例では水平方向に間隔を隔てて配置される。また、各電
極シュー１４の複合シート材との接触面は、複合シート
材に傷を付けないように滑らかに形成されている。ま
た、電極シュー１４の間に位置する複合シート材１５
は、任意の張力を付加できるようになっている。更に、
図示しない電源装置により、少なくとも１対の電極シュ
ー１４の間に電流を流し（通電し）、その間に位置する
複合シート材１５の内部抵抗による発熱（ジュール熱）
により、粉末間及び粉末と帯状基材との間を相互に拡散
結合するようになっている。なお、この通電電流は、直
流でも交流でもよい。また、この通電に大電流を必要と
しても、過大なスリップリングが不要であるため、設備
コストを大幅に低減できる。The at least one pair of electrode shoes 14 is horizontally spaced in this example. The contact surface of each electrode shoe 14 with the composite sheet material is formed smoothly so as not to damage the composite sheet material. Also, the composite sheet material 15 located between the electrode shoes 14
Can be applied with an arbitrary tension. Furthermore,
An electric current is supplied (energized) between at least one pair of electrode shoes 14 by a power supply device (not shown), and heat is generated (Joule heat) due to the internal resistance of the composite sheet material 15 located therebetween.
Thereby, the powder and the belt-shaped base material are mutually diffusion-bonded. The current may be direct current or alternating current. Further, even if a large current is required for this energization, an excessive slip ring is not required, so that the equipment cost can be significantly reduced.
【００１８】図１において、本発明の装置は電極シュー
１４の下流に圧延機１６を備える。電極シュー１４の直
後にかかる圧延機１６を備えることにより、電極シュー
間で加熱され高温になった複合シート材１５を直ぐに圧
延することにより粉末材料間を更に強固に結合すること
ができる。In FIG. 1, the apparatus of the present invention includes a rolling mill 16 downstream of the electrode shoe 14. By providing the rolling mill 16 immediately after the electrode shoe 14, the powder material can be more firmly bonded by immediately rolling the composite sheet material 15 heated and heated between the electrode shoes.
【００１９】また、本発明の装置は、さらに、圧延成形
した複合シート材１５を不活性ガス雰囲気、または真空
雰囲気に保持するチャンバー１８を備える。このチャン
バー１８は、複合シート材１５が内部を大気を遮断した
まま通過できるようになっている。従って、チャンバー
１８の内部に不活性ガス（Ａｒ，Ｎ2等）、還元ガス
（Ｈ2等）を充填して不活性ガス雰囲気又は還元性雰囲
気に保持し、或いは真空排気して真空雰囲気に保持し
て、複合シート材１５を効果的に加熱させてシート材に
することができる。Further, the apparatus of the present invention further includes a chamber 18 for holding the rolled and formed composite sheet material 15 in an inert gas atmosphere or a vacuum atmosphere. The chamber 18 allows the composite sheet material 15 to pass therethrough while blocking the atmosphere. Therefore, the inside of the chamber 18 is filled with an inert gas (Ar, N 2, etc.) and a reducing gas (H 2, etc.) and is kept in an inert gas atmosphere or a reducing atmosphere, or is evacuated and kept in a vacuum atmosphere. Thus, the composite sheet material 15 can be effectively heated to be a sheet material.
【００２０】図２は、本発明の製造装置の第２実施形態
を示す図である。本実施例では、電極シュー１４の下流
側にガイドローラ１９ｃを設置することにより、ガイド
ローラ１９ｃとガイドロール１９ｂとを所定位置にする
ことにより電極シュー面とシート材１５との接触を安定
させ通電中のスパークを抑制でき、電極シューの損傷お
よび複合シート材表面の肌荒れ防止をすることができ
る。その他の構成は図１と同様である。FIG. 2 is a view showing a second embodiment of the manufacturing apparatus of the present invention. In the present embodiment, the guide roller 19c is disposed downstream of the electrode shoe 14 so that the guide roller 19c and the guide roll 19b are positioned at predetermined positions, thereby stabilizing the contact between the electrode shoe surface and the sheet material 15 and energizing the sheet. Sparks inside can be suppressed, and damage to the electrode shoes and roughening of the surface of the composite sheet material can be prevented. Other configurations are the same as those in FIG.
【００２１】図３は、好ましい帯状基材の模式図であ
り、（Ａ）は平面図、（Ｂ）は（Ａ）のＡ断面図であ
る。この帯状シート材は、開孔部内に粉末材料１３を充
填して、帯状基材１１と粉末材料１３との接触面積を増
大させ、通電による発熱で粉末材料１３を加熱し、密着
成形を促進することができる。FIGS. 3A and 3B are schematic views of a preferable strip-shaped base material, wherein FIG. 3A is a plan view and FIG. 3B is a sectional view of FIG. This band-shaped sheet material fills the opening with the powder material 13 to increase the contact area between the band-shaped base material 11 and the powder material 13, heats the powder material 13 with heat generated by energization, and promotes close contact molding. be able to.
【００２２】上述した本発明の方法及び装置によれば、
帯状基材１１と通電性粉末材料１３を合わせたものを成
形ロール１２で加熱することなく単に加圧成形するの
で、混合した金属粉の性質を変化させないでシート状の
複合シート材１５に成形することができる。また、成形
した複合シート材１５に、加圧成形とは別の少なくとも
一対の電極シュー１４で通電して加熱するので、短時間
に加熱を加えて金属間を密着して、シート材を製造する
ことができる。According to the method and apparatus of the present invention described above,
Since the material obtained by combining the belt-shaped base material 11 and the conductive powder material 13 is simply press-formed without heating by the forming rolls 12, it is formed into a sheet-like composite sheet material 15 without changing the properties of the mixed metal powder. be able to. In addition, since the formed composite sheet material 15 is heated by energizing with at least a pair of electrode shoes 14 different from pressure molding, heating is applied in a short time to bring the metals into close contact with each other to manufacture the sheet material. be able to.
【００２３】従って、通電加熱により急速加熱でき、粉
体間の結合を短時間に行い、これにより、粉体自体の特
性を損なうことなく、粉体の持つ物性を損なわない性状
を有したシート材を製造することができる。また、成形
ロールによる通電加熱でなく、電極シューにより通電加
熱するので、過大なスリップリングが不要となり、設備
コストを大幅に低減できる。[0023] Therefore, the sheet material can be rapidly heated by electric heating and bond between the powders in a short period of time, so that the properties of the powder itself are not impaired and the physical properties of the powders are not impaired. Can be manufactured. In addition, since the electric heating is performed by the electrode shoe instead of the electric heating by the forming roll, an excessive slip ring becomes unnecessary, and the equipment cost can be greatly reduced.
【００２４】なお、本発明は上述した実施形態に限定さ
れず、本発明の要旨を逸脱しない範囲で種々変更できる
ことは勿論である。It should be noted that the present invention is not limited to the above-described embodiment, but can be variously modified without departing from the gist of the present invention.
【００２５】[0025]
【発明の効果】上述したように、本発明のシートの製造
方法及び装置は、回転部の通電部材をなくすことにより
通電部材のスリップリングを無くし簡素化、コンパクト
化ができ設備コストの低減、迷走電流の低減が可能とな
り消費電力のセーブが出来る。また粉末の溶融・一体化
を防いで、粉末の有する物性を損なうことなくシート材
の製造が出来る、等の優れた効果を有する。As described above, the sheet manufacturing method and apparatus according to the present invention eliminates the slip ring of the current-carrying member by eliminating the current-carrying member of the rotating section, thereby simplifying and reducing the size, reducing the equipment cost, and straying. The current can be reduced and power consumption can be saved. Further, the present invention has an excellent effect of preventing the melting and unifying of the powder and producing a sheet material without impairing the physical properties of the powder.
【図１】本発明によるシート材の製造装置の第１実施形
態を示す図である。FIG. 1 is a diagram showing a first embodiment of a sheet material manufacturing apparatus according to the present invention.
【図２】本発明によるシート材の製造装置の第２実施形
態を示す図である。FIG. 2 is a view showing a second embodiment of a sheet material manufacturing apparatus according to the present invention.
【図３】好ましい帯状金属基材の模式図である。FIG. 3 is a schematic view of a preferable strip-shaped metal substrate.
【図４】従来の粉末圧延手段の模式図である。FIG. 4 is a schematic view of a conventional powder rolling means.
【図５】従来の粉末圧延手段の別の模式図である。FIG. 5 is another schematic view of a conventional powder rolling means.
１ 通電ロール ２ ホッパー ３ 通電性粉体 ４ 通電圧延シート材 ５ 電源装置 ６ 成形ロール ７ 電極板 １０ シート材製造装置 １１ 帯状基材 １２ 成形ロール １３ 通電性粉末材料 １４ 電極シュー １５ 複合シート材 １６ 圧延機 １７ 巻取り機 １８ チャンバー １９ａ，１９ｂ，１９ｃ ガイドロール REFERENCE SIGNS LIST 1 energizing roll 2 hopper 3 energizing powder 4 energizing rolled sheet material 5 power supply device 6 forming roll 7 electrode plate 10 sheet material manufacturing device 11 belt-shaped base material 12 forming roll 13 electroconductive powder material 14 electrode shoe 15 composite sheet material 16 rolling Machine 17 Winder 18 Chamber 19a, 19b, 19c Guide Roll
Claims (5)
ル（１２）のロール隙に通し、その両側に粉末材料（１
３）を供給し、成形ロール間で粉末材料を加圧して基材
と粉末材料からなる複合シート材（１５）を成形し、次
いで該複合シート材を少なくとも一対の電極シュー（１
４）の間に張力を付して通し、その間で通電して粉末材
料を加熱成形する、ことを特徴とするシート材の製造方
法。1. A thin strip-shaped substrate (11) is passed through a gap between a pair of forming rolls (12).
3), the powder material is pressed between the forming rolls to form a composite sheet material (15) composed of the base material and the powder material, and then the composite sheet material is formed into at least one pair of electrode shoes (1).
4) A method of manufacturing a sheet material, wherein a tension is applied during the passage, and an electric current is supplied during the passage to heat-mold the powder material.
に結合する、ことを特徴とする請求項１に記載のシート
材の製造方法。2. The method for producing a sheet material according to claim 1, wherein the powder material is further bonded by rolling down after energizing and heating.
に設けられた少なくとも一対の電極シュー（１４）とを
備え、薄い帯状基材（１１）を成形ロールのロール間隙
に通板し、該帯状基材の両側に通電性粉末材料（１３）
を供給し、成形ロール間で基材と粉末材料とを加圧して
シート材（１５）を成形し、次いで該複合シート材を少
なくとも一対の電極シューの間に張力を付して通板し、
その間で通電して粉末材料を加熱成形する、ことを特徴
とするシート材の製造装置。3. A thin band-shaped base material (11) is provided with a pair of forming rolls (12) and at least a pair of electrode shoes (14) provided downstream thereof, and is passed through a gap between the forming rolls. Conductive powder material on both sides of the strip-shaped substrate (13)
And pressing the base material and the powder material between forming rolls to form a sheet material (15), and then passing the composite sheet material with tension between at least a pair of electrode shoes,
An apparatus for manufacturing a sheet material, wherein power is applied during that time to heat-mold a powder material.
（１６）を備え、通電加熱した複合シート材（１５）を
圧延して粉末材料間を更に結合する、ことを特徴とする
請求項３に記載のシート材の製造装置。4. A rolling mill (16) downstream of the electrode shoe (14), wherein the electrically heated composite sheet material (15) is rolled to further join the powder materials. 3. The apparatus for manufacturing a sheet material according to item 3.
た複合シート材（１５）を不活性ガス雰囲気、または真
空雰囲気に保持するチャンバー（１８）を備えた、こと
を特徴とする請求項３に記載のシート材の製造装置。5. The apparatus according to claim 3, further comprising a chamber for holding the composite sheet material heated and heated by heating between the electrode shoes in an inert gas atmosphere or a vacuum atmosphere. An apparatus for manufacturing the sheet material described in the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24457799A JP4103124B2 (en) | 1999-08-31 | 1999-08-31 | Sheet material manufacturing method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24457799A JP4103124B2 (en) | 1999-08-31 | 1999-08-31 | Sheet material manufacturing method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001073006A true JP2001073006A (en) | 2001-03-21 |
| JP4103124B2 JP4103124B2 (en) | 2008-06-18 |
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ID=17120801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24457799A Expired - Fee Related JP4103124B2 (en) | 1999-08-31 | 1999-08-31 | Sheet material manufacturing method and apparatus |
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| Country | Link |
|---|---|
| JP (1) | JP4103124B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012015119A1 (en) * | 2010-07-30 | 2012-02-02 | 한국기계연구원 | Multilayered metal including titanium, and method for manufacturing method same |
| KR101145184B1 (en) * | 2009-05-15 | 2012-05-14 | 한국기계연구원 | A plastic forming apparatus having a rapid heating system using resistance heating |
| KR101145186B1 (en) * | 2011-06-02 | 2012-05-14 | 한국기계연구원 | A method for plastic forming of high reactivity metal powders use of plastic forming apparatus having a rapid heating system using resistance heating |
| CN108550794A (en) * | 2018-05-15 | 2018-09-18 | 中航锂电（江苏）有限公司 | A kind of method and device accelerating electrodes of lithium-ion batteries rebound |
| EP3616483A1 (en) | 2018-09-03 | 2020-03-04 | Kubota Corporation | Drawbar bracket and work vehicle |
-
1999
- 1999-08-31 JP JP24457799A patent/JP4103124B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101145184B1 (en) * | 2009-05-15 | 2012-05-14 | 한국기계연구원 | A plastic forming apparatus having a rapid heating system using resistance heating |
| WO2012015119A1 (en) * | 2010-07-30 | 2012-02-02 | 한국기계연구원 | Multilayered metal including titanium, and method for manufacturing method same |
| KR101181241B1 (en) * | 2010-07-30 | 2012-09-10 | 한국기계연구원 | A multi-layer metal having a titanium and manufacturing method for the same |
| KR101145186B1 (en) * | 2011-06-02 | 2012-05-14 | 한국기계연구원 | A method for plastic forming of high reactivity metal powders use of plastic forming apparatus having a rapid heating system using resistance heating |
| CN108550794A (en) * | 2018-05-15 | 2018-09-18 | 中航锂电（江苏）有限公司 | A kind of method and device accelerating electrodes of lithium-ion batteries rebound |
| EP3616483A1 (en) | 2018-09-03 | 2020-03-04 | Kubota Corporation | Drawbar bracket and work vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4103124B2 (en) | 2008-06-18 |
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