JP3126246B2 - Extrusion processing method and apparatus for metal extruded materials having different cross-sectional shapes in the length direction - Google Patents
Extrusion processing method and apparatus for metal extruded materials having different cross-sectional shapes in the length directionInfo
- Publication number
- JP3126246B2 JP3126246B2 JP04349143A JP34914392A JP3126246B2 JP 3126246 B2 JP3126246 B2 JP 3126246B2 JP 04349143 A JP04349143 A JP 04349143A JP 34914392 A JP34914392 A JP 34914392A JP 3126246 B2 JP3126246 B2 JP 3126246B2
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- molding
- forming
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Description
【０００１】[0001]
【産業上の利用分野】この発明は、中仕切りを有する中
空材部分と、これを有さない中空材部分とが長さ方向に
連接されているような、長さ方向に横断面形状が異なる
アルミニウム等の金属製の押出材の押出加工方法及び装
置に関する。BACKGROUND OF THE INVENTION This invention comprises a hollow member portion, such that a hollow member portion having no this is connected in the longitudinal direction, the cross-sectional shape in the length direction differ with middle partition The present invention relates to a method and an apparatus for extruding a metal extruded material such as aluminum.
【０００２】[0002]
【従来の技術及び課題】押出は、従来一般に、長さ方向
に一定断面の型材を成形するのに用いられる技術とされ
ていた。2. Description of the Related Art Extrusion has heretofore been generally used as a technique used to form a mold having a constant cross section in the longitudinal direction.
【０００３】しかし、最近で、建築、自動車等をはじ
め、様々な分野において、長さ方向にも断面形状が変化
する押出材が求められる傾向にある。However, recently, in various fields such as construction and automobiles, there is a tendency for extruded materials whose sectional shape also changes in the longitudinal direction.
【０００４】例えば、第４図に示される押出材（Ｅ）
は、中仕切り（１）を有する中空材部分（E1）と、これ
を有さない中空材部分（E2）とが長さ方向に一体に連接
された構成を有するもので、必要な部位にのみ必要なだ
けの強度を持たせるようにして、全体の軽量化を狙った
ものである。なお、この押出材（Ｅ）において、例え
ば、全体幅Ｂは２０ｍｍ、全体高さＨは１０ｍｍ、中仕
切り（１）の肉厚ｔ1 は０．５ｍｍ、その他の肉厚ｔ2
は１．０ｍｍに設定される。For example, an extruded material (E) shown in FIG.
Includes a hollow member portion having a middle partition (1) (E1), one having a structure in which a hollow member portion without it (E2) is integrally connected to the longitudinal direction, only the required site It is designed to have the necessary strength to reduce the overall weight. In this extruded material (E), for example, the overall width B is 20 mm, the overall height H is 10 mm, the thickness t 1 of the middle partition (1) is 0.5 mm, and the other thickness t 2
Is set to 1.0 mm.
【０００５】この発明は、上記のような要請に応え、長
さ方向に横断面形状が異なる金属製押出材を押出加工す
ることができる方法、装置を提供することを目的とす
る。[0005] The present invention respond example the demands as described above, a method that can be cross-sectional shape in the longitudinal direction extruding different metallic extruded material, and an object thereof is to provide a device.
【０００６】[0006]
【課題を解決するための手段】上記目的において、第１
の発明は、成形孔を有する金型と、押出方向の前後方向
に位置替え可能な成形用作動体であって、先端部に、中
仕切り成形用のスリット状の隙間とその後部に溶着室と
を有する第１成形部が設けられ、かつこの第１成形部の
溶着室より所定距離後方に作動体の外周面による第２成
形部が設けられた成形用作動体と、を用い、押出中、該
成形用作動体の位置を、その第１成形部が金型成形孔内
に位置した第１位置状態と、第２成形部が金型成形孔内
に位置した第２位置状態との間で、切り替えることによ
り、前記第１位置状態において中仕切りを有する中空材
部分を成形し、これに一体に連接して第２位置状態にお
いて中仕切りを有しない中空材部分を成形することを特
徴とする、長さ方向に横断面形状が異なる金属製押出材
の押出加工方法を要旨とする。In order to achieve the above object, a first aspect is provided.
Of the invention has a mold having a molding hole, and a longitudinal direction of the extrusion direction.
An operating body for molding that can be relocated to
A slit-shaped gap for partition molding and a welding chamber
Is provided, and the first molded part has
A second component formed by the outer peripheral surface of the operating body at a predetermined distance behind the welding chamber.
During the extrusion, the position of the working body for molding is adjusted by using the working body for forming provided with the shape part , the first position state where the first forming part is located in the mold forming hole, and the second forming. part is between the second position while located in the molding hole, to switch
And a hollow member having a partition in the first position state
The part is molded and connected to it in the second position.
To form a hollow material part without a partition
The gist of the invention is a method of extruding a metal extruded material having a different cross-sectional shape in the length direction.
【０００７】また、第２の発明は、成形孔を有する金型
と、押出方向の前後方向に位置替え可能な成形用作動体
であって、先端部に、中仕切り成形用のスリット状の隙
間とその後部に溶着室とを有する第１成形部が設けら
れ、かつこの第１成形部の溶着室より所定距離後方に作
動体の外周面による第２成形部が設けられた成形用作動
体と、該成形用作動体の位置を、第１成形部が金型成形
孔内に位置した第１位置状態と、第２成形部が金型成形
孔内に位置した第２位置状態との間で、切り替える切替
え手段とを備え、 前記第１位置状態時において中仕切り
を有する中空材部分を形成し、前記第２位置状態におい
て中仕切りを有しない中空材部分を成形するものとなさ
れていることを特徴とする長さ方向に横断面形状が異な
る金属製押出材の押出加工装置を要旨とする。A second invention is a mold having a molding hole, and a molding operating body which can be repositioned in the front-rear direction of the extrusion direction.
And a slit-shaped gap at the tip end for forming a partition.
A first forming part having a welding chamber between and in the rear thereof is provided.
And a predetermined distance behind the welding chamber of the first forming section.
Forming operation provided with a second forming part by the outer peripheral surface of the moving body
Body and the position of the working body for molding, a first position state where the first forming part is located in the mold forming hole, and a second position state where the second forming part is located in the mold forming hole. between, and a switching means switching, partition the medium during the first position state
Forming a hollow material portion having
To form a hollow material part without a partition
It is the cross-sectional shape in the longitudinal direction, wherein the gist of the extrusion apparatus of different metal extrusions that are.
【０００８】[0008]
【作用】上記各発明では、例えば、成形用作動体の位置
を、その第１成形部が金型成形孔内に位置した第１位置
状態に設定すると、押出材料は、金型成形孔と該第１成
形部とで囲まれた成形隙間を通過し、該成形隙間に対応
した横断面形状の中仕切りを有する中空材部分が成形さ
れる。In each of the above-mentioned inventions, for example, when the position of the working body for molding is set to the first position state in which the first forming part is located in the mold forming hole, the extruded material is formed in the mold forming hole and the mold forming hole. The hollow material portion passing through the molding gap surrounded by the first molding portion and having a partition having a cross-sectional shape corresponding to the molding gap is formed.
【０００９】引き続いて、成形用作動体の位置を、その
第２成形部が金型成形孔内に位置した第２位置状態に切
り替えると、押出材料は、金型成形孔と該第２成形部と
で囲まれた成形隙間を通過し、該成形隙間に対応した横
断面形状の中仕切りを有しない単一の中空部をもった中
空材部分が上記中空材部分に一体に連接して成形され
る。Subsequently, when the position of the working body for molding is switched to a second position state in which the second molding part is located in the mold molding hole, the extruded material is filled with the mold molding hole and the second molding part. Having a single hollow portion without a partition having a transverse cross section corresponding to the molding gap, passing through the molding gap surrounded by
Check material portion is molded integrally connected to the said hollow member portion.
【００１０】[0010]
【実施例】次に、この発明を、第４図に示されるよう
な、中仕切り（１）を有する方形の中空材部分（E1）
と、中仕切りを有さない方形の中空材部分（E2）とが長
さ方向に一体に連接された構成の、長さ方向に横断面形
状が異なるアルミニウム製押出材（Ｅ）の押出製造に適
用した実施例について説明する。Next, the present invention will be described with reference to FIG. 4 which shows a rectangular hollow member (E1) having a partition (1).
And an aluminum extruded material (E) having a configuration in which a rectangular hollow material portion (E2) having no partition is integrally connected in the length direction, and having a different cross-sectional shape in the length direction. An applied embodiment will be described.
【００１１】本発明にかかる押出加工装置を示す第１図
ないし第３図において、（３）はダイス、（４）は成形
用マンドレル、（６）はコンテナ、（７）はダミー、
（８）はステムである。1 to 3 showing an extrusion processing apparatus according to the present invention, (3) is a die, (4) is a molding mandrel, (6) is a container, (7) is a dummy,
(8) is a stem.
【００１２】金型としてのダイス（３）は、押出材
（Ｅ）の外周形状を定める方形状の成形孔（13）を有す
る平ダイスによる。 The die (3) as a mold is a flat die having a square forming hole (13) that defines the outer peripheral shape of the extruded material (E).
【００１３】成形用マンドレル（４）は、成形用作動体
を構成するもので、その先端から後方に向けた所定長さ
範囲にわたって断面方形の外周形状を有している。そし
て、第３図に示されるように、該マンドレル（４）の先
端面の幅方向中央部に上下方向に延びる切込みスリット
状の隙間（21）が形成されていて、マンドレル（４）の
長さ方向の先端部に、該スリット状の隙間（21）を挾ん
で左右に分割された各小方形断面部にて構成される第１
成形部（23）が形成されている。The shaping mandrel (4) constitutes a shaping operating body and has a rectangular cross-sectional outer periphery over a predetermined length range from the tip to the rear. As shown in FIG. 3, a slit-like slit (21) extending in the vertical direction is formed at the center in the width direction of the distal end surface of the mandrel (4), and the length of the mandrel (4) is the direction of the distal end portion, the first constructed at each of the small rectangular cross section divided into right and left sides of the said slit-shaped gap (21)
A molding (23) is formed.
【００１４】また、該スリット状の隙間（21）の後部に
は、上下に開口する奥拡がり状の溶着室（22）が連通連
設されている。そして、該溶着室（22）よりも所定距離
後方に位置するマンドレル（４）の方形断面部が第２成
形部（24）に設定されている。A rearwardly extending welding chamber (22), which opens vertically, is provided at the rear of the slit-like gap (21). The rectangular cross section of the mandrel (4) located a predetermined distance behind the welding chamber (22) is set in the second forming part (24).
【００１５】これにより、この成形用マンドレル（４）
の第１成形部（23）がダイス成形孔（13）内に位置した
第１位置状態において、第１成形部（23）と成形孔（1
3）との間に日の字状の第１成形隙間（26）が形成され
ると共に、同マンドレル（４）がダイス（３）に対して
前方に突出してその第２成形部（24）がダイス成形孔
（13）内に位置した第２位置状態において、第２成形部
（24）と成形孔（13）との間に口の字状の第２成形隙間
（27）が形成されるようになされている。Thus, the molding mandrel (4)
When the first forming part (23) of the first forming part (23) is located in the die forming hole (13), the first forming part (23) and the forming hole (1) are formed.
A first forming gap (26) in the shape of a sun is formed between the second forming part (3) and the mandrel (4) protruding forward with respect to the die (3), and the second forming part (24) is formed. In the second position state located in the die forming hole (13), a mouth-shaped second forming gap (27) is formed between the second forming portion (24) and the forming hole (13). Has been made.
【００１６】そして、このように成形用マンドレル
（４）を前後方向に位置替えしうるようにするため、第
２図に示されるように、該マンドレル（４）の後部には
マンドレル支持バー（５）が連結されて、これがダミー
（７）、ステム（８）を貫通して後方に延ばされ、そし
て、該マンドレル支持バー（５）の後部側に位置切替え
装置（９）が配され、該切替え装置（２）を通じて、成
形用マンドレル（４）が上記第１位置状態と第２位置状
態との間で前後方向に位置替えしうるようになされてい
る。なお、切替え装置（９）には、成形用マンドレル
（４）を前後方向に移動せしめうる各種の機械的、電気
的装置が採用されうるものであることは詳しく述べるま
でもない。As shown in FIG. 2, a mandrel support bar (5) is provided at the rear of the mandrel (4) so that the molding mandrel (4) can be repositioned in the front-rear direction. ) Is connected and extended rearward through the dummy (7), the stem (8), and a position switching device (9) is arranged at the rear side of the mandrel support bar (5), Through the switching device (2), the molding mandrel (4) can be moved back and forth between the first position state and the second position state. It is needless to say that various types of mechanical and electrical devices capable of moving the molding mandrel (4) in the front-rear direction can be adopted as the switching device (9).
【００１７】第４図に示される押出材（Ｅ）は、上記押
出加工装置を用いて次のようにして押出製造される。The extruded material (E) shown in FIG. 4 is extruded and manufactured using the above-mentioned extruding apparatus as follows.
【００１８】即ち、位置切替え装置（９）を通じて成形
用マンドレル（４）の第１成形部（23）をダイス成形孔
（13）内に位置せしめた第１位置の状態で、ステム
（８）を前進駆動しコンテナ（６）内のアルミニウム製
ビレット（Ｂ）に押出力を付与して押出を行う。この第
１位置状態での押出では、ビレット金属（Ｂ）は、第１
図（イ−１）（イ−２）に示されるように、マンドレル
（４）の第１成形部（23）とダイス成形孔（13）とで形
成された日の字状の第１成形隙間（26）を通過して、中
仕切り（１）のある方形の中空材部分（E1）が押出され
る。That is, the stem (8) is moved in the first position in which the first forming portion (23) of the forming mandrel (4) is positioned in the die forming hole (13) through the position switching device (9). It is driven forward to apply a pushing force to the aluminum billet (B) in the container (6) to perform extrusion. In the extrusion in the first position, the billet metal (B) is
As shown in FIGS. (A-1) and (A-2), the first forming gap in the shape of a sun formed by the first forming part (23) of the mandrel (4) and the die forming hole (13). After passing through (26), a rectangular hollow material portion (E1) having a partition (1) is extruded.
【００１９】なお、中仕切り（１）は、マンドレル
（４）に沿って流れるビレット金属（Ｂ）が溶着室（2
2）の上下の開口を通じて同室（22）内に流入されてそ
こで材料同士が溶着され、そして、これがスリット状の
隙間（21）を通過することによって、成形される。The partition (1) has a billet metal (B) flowing along the mandrel (4) in the welding chamber (2).
The material flows into the same chamber (22) through the upper and lower openings of 2), where the materials are welded to each other, and is formed by passing through the slit-shaped gap (21).
【００２０】そして、所定の時点で、位置切替え装置
（９）を通じて成形用マンドレル（４）を前方に突出せ
しめ第２成形部（24）をダイス成形孔（13）内に位置せ
しめた第２位置の状態に変更すると、ビレット金属
（Ｂ）は、第１図（ロ−１）（ロ−２）に示されるよう
に、マンドレル（４）の第２成形部（24）とダイス成形
孔（13）とで形成された口の字状の第２成形隙間（27）
を通過して、中仕切り（１）のない方形の中空材部分
（E2）が、上記中仕切り（１）を有する中空材部分（E
1）の後部に連接されて一体的に押出される。At a predetermined time, the position switching device
The mandrel for molding (4) is projected forward through (9).
Position the second forming part (24) in the die forming hole (13).
When changed to the tightened second position, billet metal
(B) is as shown in FIG. 1 (b-1) and (b-2).
And the second forming part (24) of the mandrel (4) and die forming
A mouth-shaped second forming gap (27) formed with the hole (13)
Pass through and there is no partition (1)Square hollow material
(E2) has the above partition (1)HollowMaterial part (E
1) Connected to the rear part and extruded integrally.
【００２１】このようにして、押出中、成形用マンドレ
ル（４）の位置を第１位置状態と第２位置状態との間で
切り替えていくことにより、中仕切り（１）を有する方
形の中空部分（E1）と、中仕切りを有さない方形の中空
材部分（E2）とが長さ方向に一体に連接された構成の、
長さ方向に横断面形状が異なるアルミニウム製押出材
（Ｅ）が押出成形される。In this way, by switching the position of the molding mandrel (4) between the first position state and the second position state during the extrusion, one having the intermediate partition (1) is provided .
Shape hollow part (E1) and square hollow without partition
Of the structure where the material part (E2) is connected integrally in the length direction,
An aluminum extruded material (E) having a different cross-sectional shape in the length direction is extruded.
【００２２】なお、上記実施例では、成形用マンドレル
（４）が長さ方向に位置を異にして２つの成形部（23）
（24）を有するものについて説明したが、３つ以上の成
形部が長さ方向に配されたマンドレルが採用されてもよ
い。また、上記実施例では、マンドレルタイプの押出に
ついて説明しているが、ポートホールダイスの雄型中子
を前後方向に移動しうるようにして、該中子に複数個の
成形部を設けたポートホールタイプなどが採用されても
よい。In the above embodiment, the molding mandrel (4) has two molding portions (23) at different positions in the longitudinal direction.
Although the one having (24) has been described, a mandrel in which three or more formed portions are arranged in the length direction may be employed. Further, in the above embodiment, the mandrel type extrusion is described. However, the male core of the porthole die can be moved in the front-rear direction, and the port provided with a plurality of molding portions in the core is provided. A hole type or the like may be employed.
【００２３】[0023]
【発明の効果】上述の次第で、本発明の、長さ方向に横
断面形状が異なる金属製押出材の押出加工方法、および
装置は、押出中、成形用作動体の位置を、その第１成形
部が金型成形孔内に位置した第１位置状態と、第２成形
部が金型成形孔内に位置した第２位置状態との間で切り
替えるようになされているから、金型成形孔と第１成形
部とで囲まれた成形隙間に対応した横断面形状の中仕切
りを有する中空材部分と、金型成形孔と第２成形部とで
囲まれた成形隙間に対応した横断面形状の中仕切 りを有
しない中空材部分が長さ方向に一体に連接された、長さ
方向に横断面形状が異なる金属製押出材を押出加工する
ことができる。As described above, according to the present invention, the method and apparatus for extruding a metal extruded material having a different cross-sectional shape in the longitudinal direction, and the position of the forming operation body during the extrusion are described. Since the first molding part is switched between a first position state in which the first molding part is located in the mold molding hole and a second position state in which the second molding part is located in the mold molding hole, Partitioning of the cross-sectional shape corresponding to the molding gap surrounded by the mold molding hole and the first molding part
A hollow member portion having a Ri, the cross-sectional shape corresponding to the molding gap surrounded by the molding hole and the second mold section intermediate partition Rioyu
It is possible to extrude a metal extruded material having different transverse cross-sectional shapes in the length direction, in which hollow material portions not connected are integrally connected in the length direction.
【図１】図（イ−１）はマンドレルの第１成形部がダイ
ス成形孔内に位置した第１位置状態を示す断面平面図、
図（イ−２）は図（イ−１）のＩ−Ｉ線断面図、図（ロ
−１）はマンドレルの第２成形部がダイス成形孔内に位
置した第２位置状態を示す断面平面図、図（ロ−２）は
図（ロ−１）のＩＩ−ＩＩ線断面図である。FIG. 1A is a cross-sectional plan view showing a first position state in which a first forming part of a mandrel is located in a die forming hole;
FIG. 2A is a cross-sectional view taken along the line II of FIG. 1A, and FIG. FIG. 2B is a sectional view taken along line II-II of FIG.
【図２】押出加工装置の断面図である。FIG. 2 is a sectional view of an extrusion processing apparatus.
【図３】ダイス成形隙間部分を示す斜視図である。FIG. 3 is a perspective view showing a die forming gap portion.
【図４】長さ方向に横断面形状が異なる押出材の一例を
示す斜視図である。FIG. 4 is a perspective view showing an example of an extruded material having a different cross-sectional shape in a length direction.
３…ダイス ４…マンドレル（成形用作動体） １３…成形孔 ２３…第１成形部 ２４…第２成形部 Ｂ…ビレット金属（押出材料） Ｅ…押出材 DESCRIPTION OF SYMBOLS 3 ... Die 4 ... Mandrel (forming working body) 13 ... Forming hole 23 ... 1st forming part 24 ... 2nd forming part B ... Billet metal (extruded material) E ... Extruded material
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐藤 正和 埼玉県和光市中央１丁目４番１号 株式 会社本田技術研究所内 (72)発明者 北野 光宏 大阪府堺市海山町６丁224番地 昭和ア ルミニウム株式会社内 (72)発明者 杉尾 栄治 大阪府堺市海山町６丁224番地 昭和ア ルミニウム株式会社内 (56)参考文献 特開 平１−192414（ＪＰ，Ａ) 特開 平４−305312（ＪＰ，Ａ) 特開 昭62−279019（ＪＰ，Ａ) 実公 昭54−19316（ＪＰ，Ｙ２) (58)調査した分野(Int.Cl.7，ＤＢ名) B21C 25/08 B21C 23/08 B21C 25/02 - 25/04 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masakazu Sato 1-4-1 Chuo, Wako-shi, Saitama Prefecture Inside Honda R & D Co., Ltd. (72) Inventor Mitsuhiro Kitano 6,224 Kaiyamacho, Sakai-shi, Osaka Showa A Luminium Co., Ltd. (72) Inventor Eiji Sugio 6,224, Kaiyama-cho, Sakai-shi, Osaka Showa Luminium Co., Ltd. (56) References JP-A-1-192414 (JP, A) JP-A-4-305312 ( JP, A) JP-A-62-279019 (JP, A) JP-A-54-19316 (JP, Y2) (58) Fields investigated (Int. Cl. 7 , DB name) B21C 25/08 B21C 23/08 B21C 25/02-25/04
Claims (2)
って、先端部に、中仕切り成形用のスリット状の隙間と
その後部に溶着室とを有する第１成形部が設けられ、か
つこの第１成形部の溶着室より所定距離後方に作動体の
外周面による第２成形部が設けられた成形用作動体と、 を用い、押出中、該成形用作動体の位置を、その第１成
形部が金型成形孔内に位置した第１位置状態と、第２成
形部が金型成形孔内に位置した第２位置状態との間で、
切り替えることにより、前記第１位置状態において中仕
切りを有する中空材部分を成形し、これに一体に連接し
て第２位置状態において中仕切りを有しない中空材部分
を成形することを特徴とする、長さ方向に横断面形状が
異なる金属製押出材の押出加工方法。1. A mold having a molding hole, and a molding operating body which can be repositioned in the front-rear direction of the extrusion direction.
Therefore, at the tip, a slit-shaped gap for
A first forming portion having a welding chamber is provided at a rear portion thereof.
A predetermined distance behind the welding chamber of the first forming part
Using a molding operating body provided with a second molding part with an outer peripheral surface , during extrusion, the position of the molding operating body is changed to a first position state in which the first molding part is located in the mold molding hole. And a second position in which the second molding portion is located in the mold molding hole.
By switching , the intermediate work in the first position state is performed.
A hollow material part with a cut is formed and connected to this
And the hollow material portion having no partition in the second position state
A method of extruding a metal extruded material having a different cross-sectional shape in the length direction, wherein the extruded material is formed.
って、先端部に、中仕切り成形用のスリット状の隙間と
その後部に溶着室とを有する第１成形部が設けられ、か
つこの第１成形部の溶着室より所定距離後方に作動体の
外周面による第２成形部が設けられた成形用作動体と、 該成形用作動体の位置を、第１成形部が金型成形孔内に
位置した第１位置状態と、第２成形部が金型成形孔内に
位置した第２位置状態との間で、切り替える切替え手段
とを備え、 前記第１位置状態時において中仕切りを有する中空材部
分を成形し、前記第２位置状態において中仕切りを有し
ない中空材部分を成形するものとなされている ことを特
徴とする長さ方向に横断面形状が異なる金属製押出材の
押出加工装置。2. A mold having a molding hole, and a molding operation body which can be repositioned in the front-rear direction of the extrusion direction.
Therefore, at the tip, a slit-shaped gap for
A first forming portion having a welding chamber is provided at a rear portion thereof.
A predetermined distance behind the welding chamber of the first forming part
The forming operation body provided with the second forming portion by the outer peripheral surface , the position of the forming operation body, the first position state in which the first forming portion is located in the mold forming hole, and the second forming portion and a second position while located in the molding hole, hollow member portion having a middle partition in the switch and means, at the first position state switch
And a middle partition in the second position state.
An apparatus for extruding a metal extruded material having a different cross-sectional shape in a longitudinal direction, wherein said extruded material has a hollow portion formed therein .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04349143A JP3126246B2 (en) | 1992-12-28 | 1992-12-28 | Extrusion processing method and apparatus for metal extruded materials having different cross-sectional shapes in the length direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04349143A JP3126246B2 (en) | 1992-12-28 | 1992-12-28 | Extrusion processing method and apparatus for metal extruded materials having different cross-sectional shapes in the length direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06198328A JPH06198328A (en) | 1994-07-19 |
| JP3126246B2 true JP3126246B2 (en) | 2001-01-22 |
Family
ID=18401776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04349143A Expired - Fee Related JP3126246B2 (en) | 1992-12-28 | 1992-12-28 | Extrusion processing method and apparatus for metal extruded materials having different cross-sectional shapes in the length direction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3126246B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001191110A (en) * | 1999-12-28 | 2001-07-17 | Showa Alum Corp | Method for manufacturing extruded material having variable cross section |
| JP4386321B2 (en) * | 2001-01-31 | 2009-12-16 | 本田技研工業株式会社 | Method for extruding tube material having irregular cross-section and die for extruding tube material |
| JP4835893B2 (en) * | 2001-08-03 | 2011-12-14 | 株式会社豊田中央研究所 | Cylindrical molded body molding method and cylindrical molded body molding apparatus |
| KR101444280B1 (en) * | 2013-09-26 | 2014-09-26 | 삼성중공업 주식회사 | Extrusion mold for manufacturing plank and method for extrude plank |
-
1992
- 1992-12-28 JP JP04349143A patent/JP3126246B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06198328A (en) | 1994-07-19 |
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