JPH0760340A - Method for extruding hollow material made of high strength aluminum alloy - Google Patents

Method for extruding hollow material made of high strength aluminum alloy

Info

Publication number
JPH0760340A
JPH0760340A JP21564393A JP21564393A JPH0760340A JP H0760340 A JPH0760340 A JP H0760340A JP 21564393 A JP21564393 A JP 21564393A JP 21564393 A JP21564393 A JP 21564393A JP H0760340 A JPH0760340 A JP H0760340A
Authority
JP
Japan
Prior art keywords
billet
container
die
stem
jig
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
Application number
JP21564393A
Other languages
Japanese (ja)
Inventor
Kiyomasa Yamaguchi
聖真 山口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Showa Aluminum Can Corp
Original Assignee
Showa Aluminum Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Showa Aluminum Corp filed Critical Showa Aluminum Corp
Priority to JP21564393A priority Critical patent/JPH0760340A/en
Publication of JPH0760340A publication Critical patent/JPH0760340A/en
Pending legal-status Critical Current

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  • Extrusion Of Metal (AREA)

Abstract

PURPOSE:To carry out the extrusion of a hollow material made of a high strength aluminum alloy with a port hole die by extruding in a manner to force-fit metallic billets into each port hole. CONSTITUTION:Billets (b) ... made of a high strength aluminum alloy are each pushed billet inserting 17... of a container jig 4. The container jig 14 is arranged inside the billet inserting holes of the container of an extruding machine, and each stem bar 20... of a stem jig 5 is projected inwardly in each billet inserting hole of the container jig 4. Then, the stem 2 of the extruding machine is advanced to move the stem jig 5 forward. The billets (b) are mutually press- contacted inside the welding chamber 12 of a die 3, and are extruded forward as a hollow material through a forming gap. The billets are not parted in this method.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、例えばA2000
系、A5000系、A7000系等の高力系のアルミニ
ウム合金製の中空材の押出方法に関する。
BACKGROUND OF THE INVENTION This invention is, for example, an A2000.
And a method for extruding a hollow material made of a high-strength aluminum alloy such as A5000 series, A7000 series.

【0002】[0002]

【従来の技術】アルミニウム製の中空材の押出には、ポ
ートホールダイスが広く用いられている。このポートホ
ールダイスは、図3に示されるように、雄型(52)と雌
型(53)とを組合わせた組合わせダイス(51)で、雄型
(52)は、円盤状ベース部(54)の軸芯部に成形凸部
(55)を有すると共に、該成形凸部(55)の周囲にベー
ス部(54)を貫通する複数個のポート孔(56)…を有す
る。また、雌型(53)は、同じく円盤状のベース部(5
8)の軸芯部に、成形凸部(55)との間に成形隙間を形
成する成形孔(59)を有する。そして、中空材の押出
は、このポートホールダイス(51)を用い、これをコン
テナ(60)の前端部に配備し、コンテナ(60)内に装填
されたアルミニウムビレット(B)に、後方からのステ
ム(61)の前進駆動により押出圧力を付与し、このビレ
ット金属(B)をポートホールダイス(51)に通してい
くというようにして行われる。なお、(62)はダミーで
ある。
2. Description of the Related Art Porthole dies are widely used for extruding hollow materials made of aluminum. As shown in FIG. 3, this porthole die is a combination die (51) in which a male die (52) and a female die (53) are combined, and the male die (52) has a disc-shaped base portion ( A molding convex portion (55) is provided on the shaft core portion of 54), and a plurality of port holes (56) penetrating the base portion (54) are provided around the molding convex portion (55). In addition, the female mold (53) has the same disk-shaped base (5
The shaft core of (8) has a molding hole (59) that forms a molding gap between the molding convex portion (55). Then, the hollow material is extruded by using this port hole die (51), which is arranged at the front end portion of the container (60), and the aluminum billet (B) loaded in the container (60) is inserted from the rear side. Extrusion pressure is applied by the forward drive of the stem (61), and the billet metal (B) is passed through the porthole die (51). Incidentally, (62) is a dummy.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、上記の
ような押出では、ビレット金属(B)がポートホールダ
イス(51)の各ポート孔(56)…に流れ込むのに、ビレ
ット金属(B)の分断という過程を経なければならず、
そのため、大きな押出圧力を必要とする。
However, in the above-described extrusion, the billet metal (B) is divided into the port holes (56) of the port hole die (51) while the billet metal (B) is divided. Has to go through the process of
Therefore, a large extrusion pressure is required.

【0004】そのため、特に、A2000系、A500
0系、A7000系等の高力アルミニウム合金製ビレッ
トを用いて、上記のようなポートホールダイス押出を行
ったのでは、押出に必要な押出圧力を確保するのが難し
く、押出が困難であった。
Therefore, especially, A2000 series, A500 series
When the porthole die extrusion as described above was performed using a high-strength aluminum alloy billet such as 0 series or A7000 series, it was difficult to secure the extrusion pressure necessary for the extrusion, and the extrusion was difficult. .

【0005】従って、このような高力系アルミニウム合
金の押出には、主として、ビレット金属の分断過程のな
いマンドレル押出法を用いざるを得なかった。
Therefore, in order to extrude such a high-strength aluminum alloy, the mandrel extrusion method, which does not have a billet metal cutting process, must be used.

【0006】この発明は、かかる従来の技術背景に鑑
み、A2000系、A5000系、A7000系等の高
力系アルミニウム合金製中空材をポートホールダイスを
用いて押出加工することができる方法を提供することを
目的とする。
In view of the background of the prior art, the present invention provides a method capable of extruding a high-strength aluminum alloy hollow material such as A2000 series, A5000 series, and A7000 series using a porthole die. The purpose is to

【0007】[0007]

【課題を解決するための手段】上記目的において、この
発明は、複数個のポート孔を有するポートホールダイス
の後部に、各ポート孔に対応した複数個の相独立したビ
レット装入孔を備えたコンテナを配備し、該コンテナの
ビレット装入孔のそれぞれにビレットを装入し、該コン
テナの各ビレット装入孔のそれぞれに後方よりステムを
挿入前進させ各ビレット金属をそれぞれダイスの各ポー
ト孔に圧入せしめていくことを特徴とする高力系アルミ
ニウム合金製中空材の押出方法を要旨とする。
To achieve the above object, the present invention provides a plurality of independent billet charging holes corresponding to the respective port holes at the rear of a port hole die having a plurality of port holes. Deploy a container, insert a billet into each of the billet charging holes of the container, insert a stem into each of the billet charging holes of the container from the rear, and move the billet metal into each port hole of the die. The gist is a method for extruding a hollow material made of a high-strength aluminum alloy, which is characterized by press-fitting.

【0008】[0008]

【作用】上記方法では、ビレット金属が分断されること
なくダイスの各ポート孔に流入され、そして、ダイス内
で各ビレット金属が圧着後、成形隙間を通じて中空材に
押出される。従って、ビレット金属を、ダイス内への圧
入過程で、分断させる従来法による場合に比べて、押出
圧力が低減される。これにより、A2000系、A50
00系、A7000系等の高力アルミニウム合金製中空
材が、ポートホールダイスにて得られる。
In the above method, the billet metal is flown into each port hole of the die without being divided, and each billet metal is pressure-bonded in the die and then extruded into the hollow material through the molding gap. Therefore, the extrusion pressure is reduced as compared with the conventional method in which the billet metal is divided in the process of press-fitting into the die. As a result, A2000 series, A50
A high-strength aluminum alloy hollow material such as a 00 series or A7000 series is obtained by a porthole die.

【0009】[0009]

【実施例】次に、この発明の実施例を説明する。Embodiments of the present invention will be described below.

【0010】本実施例方法では、図1及び図2に示され
るように、コンテナ(1)とステム(2)とを具備する
通常の押出機と、ポートホールダイス(3)のほか、コ
ンテナ治具(4)、ステム治具(5)を使用する。
In the method of this embodiment, as shown in FIGS. 1 and 2, in addition to a normal extruder having a container (1) and a stem (2), a porthole die (3), and a container curing machine. The tool (4) and the stem jig (5) are used.

【0011】ポートホールダイス(3)の雄型(6)
は、円盤状のベース(7)の軸芯部に前方突出状の成形
凸部(8)を有すると共に、該成形凸部(8)の周囲に
おいて、ベース部(7)を前後方向に貫通する周方向に
4つの横断面円形ポート孔(9)…を有する。また、同
ダイス(3)の雌型(10)は、同じく円盤状のベース部
(11)の軸芯部に溶着室(12)と成形孔(13)とを有す
る。そして、雌雄両型(6)(10)が組合わされること
により成形凸部(8)と成形孔(13)との間に環状の成
形隙間(14)が形成されるようにされている。
Male type (6) of porthole die (3)
Has a front-projecting molding protrusion (8) on the axis of the disk-shaped base (7), and penetrates the base portion (7) in the front-rear direction around the molding protrusion (8). It has four circular cross-section port holes (9) in the circumferential direction. The female die (10) of the die (3) also has a welding chamber (12) and a molding hole (13) in the shaft center of the disk-shaped base (11). By combining the male and female molds (6) and (10), an annular molding gap (14) is formed between the molding projection (8) and the molding hole (13).

【0012】コンテナ治具(4)は、押出機コンテナ
(1)のビレット装入孔(16)に対応した外径の円柱体
によるもので、押出機コンテナビレット装入孔(16)に
装入可能に形成されており、かつ、軸線方向に貫通した
4つの横断面円形のビレット装入孔(17)…を有する。
これらビレット装入孔(17)…はそれぞれ、ポートホー
ルダイス(3)の各ポート孔(9)…に対し同心状とな
るような配置関係において設けられており、該ポート孔
(9)…よりも幾分径大に形成されている。
The container jig (4) is a cylindrical body having an outer diameter corresponding to the billet charging hole (16) of the extruder container (1), and is inserted into the extruder container billet charging hole (16). It has four billet charging holes (17) ...
The billet charging holes (17) are provided so as to be concentric with the port holes (9) of the port hole die (3). Is also formed to have a slightly larger diameter.

【0013】ステム治具(5)は、円板状のベース部
(19)に、コンテナ治具(4)のビレット装入孔(17)
…に対応する配置関係において4本の横断面円形のステ
ム棒(20)…が、片持ち状態に設けられたものである。
各ステム棒(20)…の直径は、コンテナ治具(4)のビ
レット装入孔(17)…の直径に対応するものとなされて
おり、同ビレット装入孔(17)…内で進退移動しうるよ
うにされている。
The stem jig (5) has a disc-shaped base portion (19) and a billet charging hole (17) of the container jig (4).
The four stem rods (20) each having a circular cross section are provided in a cantilever state in an arrangement relationship corresponding to.
The diameter of each stem rod (20) corresponds to the diameter of the billet charging hole (17) of the container jig (4), and moves back and forth within the billet charging hole (17). It is made possible.

【0014】本実施例方法は、上記のコンテナ(1)、
ステム(2)等を備えた押出機と、ポートホールダイス
(3)、コンテナ治具(4)、ステム治具(5)を用
い、次のようにして実施される。即ち、コンテナ治具
(4)の各ビレット装入孔(17)…にそれぞれ、鋳造や
圧縮加工により、A2000系、A5000系、A70
00系等の高力アルミニウム合金製ビレット(b)…を
詰込み装填する。そして、該コンテナ治具(4)を押出
機コンテナ(1)のビレット装入孔(16)内に装入配置
する共に、ステム治具(5)の各ステム棒(20)…をコ
ンテナ治具(4)の各ビレット装入孔(16)…の内方に
後方より突出せしめる。そして、押出機ステム(2)を
前進駆動せしめ、このステム(2)にてステム治具
(5)を前方に押動させていく。すると、コンテナ治具
(4)の各ビレット装入孔(17)…内のビレット(b)
…に押出圧力が付与され、各ビレット金属(b)…がそ
れぞれ、ポートホールダイス(3)の各ポート孔(9)
…内に押し込まれていき、同ダイス(3)内の溶着室
(12)内でビレット金属(b)…同士が圧着されて、成
形隙間(14)を通じて、中空材(e)となって前方に押
出されていく。
The method of this embodiment is based on the above-mentioned container (1),
Using an extruder equipped with a stem (2), etc., a porthole die (3), a container jig (4) and a stem jig (5), it is carried out as follows. That is, each of the billet charging holes (17) of the container jig (4) is made into an A2000 series, A5000 series, A70 series by casting or compression processing.
A high-strength aluminum alloy billet such as 00 series (b) is packed and loaded. Then, the container jig (4) is loaded and arranged in the billet charging hole (16) of the extruder container (1), and each stem rod (20) of the stem jig (5) is placed in the container jig. The billet charging holes (16) of (4) are projected inward from the rear. Then, the extruder stem (2) is driven forward, and the stem jig (5) is pushed forward by the stem (2). Then, the billet (b) in each billet charging hole (17) of the container jig (4).
Extrusion pressure is applied to each of the billet metal (b), and each of the billet metal (b) ...
It is pushed into the inside of the die (3), and the billet metal (b) is pressed against each other in the welding chamber (12) inside the die (3) to form a hollow material (e) through the molding gap (14) to the front. Is extruded into.

【0015】以上のように、上記の方法では、ポートホ
ールダイス(3)のポート孔(9)…のそれぞれに、相
独立したビレット金属(b)…を圧力導入せしめて中空
材(e)を押出加工するものであるから、ビレット金属
が分断される過程がなく、そのため、このようなビレッ
ト金属の分断に必要な押出圧力分が不要となり、また同
時に押比も減少され、その結果、A2000系、A50
00系、A7000系等の高力アルミニウム合金製の中
空材の押出を、ポートホールダイス(3)を用いて遂行
することができる。
As described above, in the above method, the billet metal (b) ... Independent of each other is pressure-introduced into each of the port holes (9) of the port hole die (3) to form the hollow material (e). Since it is an extrusion process, there is no process for cutting the billet metal, and therefore the amount of extrusion pressure necessary for cutting such billet metal is not necessary, and at the same time, the pressing ratio is reduced, and as a result, the A2000 series , A50
Extrusion of hollow materials made of high-strength aluminum alloys such as 00 series and A7000 series can be performed using a porthole die (3).

【0016】また、上記実施例方法は、コンテナ治具
(4)とステム治具(5)を使用するものであるから、
通常の押出機を用いてこのような押出を遂行することが
できる。
The method of the above embodiment uses the container jig (4) and the stem jig (5).
Such extrusion can be accomplished using a conventional extruder.

【0017】[0017]

【発明の効果】上述の次第で、この発明の、高力系アル
ミニウム合金製中空材の押出方法は、ポートホールダイ
スの後部に、該ダイスの各ポート孔に対応した複数個の
相独立したビレット装入孔を備えたコンテナを配備し、
該コンテナのビレット装入孔のそれぞれにビレットを装
入し、該コンテナの各ビレット装入孔に後方よりステム
を挿入前進させ各ビレット金属をそれぞれダイスの各ポ
ート孔に流入せしめていくものであるから、ビレット金
属が分断過程を経ることなくダイスの各ポート孔に圧入
されることとなり、ビレット金属をダイス流入過程で分
断させる従来法の場合に比べて低い押出力にて押出を遂
行しうる。従って、A2000系、A5000系、A7
000系等の高力アルミニウム合金製中空材を、ポート
ホールダイスにて押出加工することができる。
As described above, according to the present invention, the method for extruding a hollow material made of a high-strength aluminum alloy has a plurality of independent billets at the rear portion of the port hole die corresponding to each port hole of the die. Deploy a container with a charging hole,
A billet is loaded into each billet loading hole of the container, and a stem is inserted into each billet loading hole of the container from the rear side to advance each billet metal into each port hole of the die. Therefore, the billet metal is press-fitted into each port hole of the die without passing through the cutting process, and extrusion can be performed with a lower pushing force than in the case of the conventional method in which the billet metal is cut during the die inflow process. Therefore, A2000 series, A5000 series, A7 series
A hollow material made of high-strength aluminum alloy such as 000 series can be extruded with a porthole die.

【図面の簡単な説明】[Brief description of drawings]

【図1】実施例を示すもので、ポートホールダイス、コ
ンテナ治具、ビレット、ステム治具等を分離状態にして
示す斜視図である。
FIG. 1 is a perspective view showing an embodiment and showing a porthole die, a container jig, a billet, a stem jig and the like in a separated state.

【図2】実施例方法の遂行途上の状態を示す断面図であ
る。
FIG. 2 is a cross-sectional view showing a state in which the method of the embodiment is being performed.

【図3】従来法を示す一部断面分離斜視図である。FIG. 3 is a partial cross-sectional perspective view showing a conventional method.

【符号の説明】[Explanation of symbols]

3…ポートホールダイス 4…コンテナ治具(コンテナ) 9…ポート孔 17…ビレット装入孔 20…ステム棒(ステム) b…ビレット e…中空材 3 ... Port hole die 4 ... Container jig (container) 9 ... Port hole 17 ... Billet charging hole 20 ... Stem rod (stem) b ... Billet e ... Hollow material

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 複数個のポート孔を有するポートホール
ダイスの後部に、各ポート孔に対応した複数個の相独立
したビレット装入孔を備えたコンテナを配備し、該コン
テナのビレット装入孔のそれぞれにビレットを装入し、
該コンテナの各ビレット装入孔のそれぞれに後方よりス
テムを挿入前進させ各ビレット金属をそれぞれダイスの
各ポート孔に圧入せしめていくことを特徴とする高力系
アルミニウム合金製中空材の押出方法。
1. A container having a plurality of independent billet charging holes corresponding to each port hole is provided at the rear of a port hole die having a plurality of port holes, and the billet charging hole of the container is provided. Insert billets into each of the
A method for extruding a hollow material made of a high-strength aluminum alloy, characterized in that a stem is inserted into each of the billet charging holes of the container from the rear and is advanced to press each billet metal into each port hole of the die.
JP21564393A 1993-08-31 1993-08-31 Method for extruding hollow material made of high strength aluminum alloy Pending JPH0760340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21564393A JPH0760340A (en) 1993-08-31 1993-08-31 Method for extruding hollow material made of high strength aluminum alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21564393A JPH0760340A (en) 1993-08-31 1993-08-31 Method for extruding hollow material made of high strength aluminum alloy

Publications (1)

Publication Number Publication Date
JPH0760340A true JPH0760340A (en) 1995-03-07

Family

ID=16675808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21564393A Pending JPH0760340A (en) 1993-08-31 1993-08-31 Method for extruding hollow material made of high strength aluminum alloy

Country Status (1)

Country Link
JP (1) JPH0760340A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001096039A1 (en) * 2000-06-10 2001-12-20 Intai Jin A manufacturing device of the curved metal tube and rod with an arbitrary section
KR100416578B1 (en) * 2000-11-01 2004-02-05 진인태 Bending Machine by Hot Metal Extrusion
WO2008073473A1 (en) * 2006-12-11 2008-06-19 Ohio University Apparatus and method for extruding micro-channel tubes
EP4011515A1 (en) * 2020-12-11 2022-06-15 Technische Universität Berlin Method and device for coaxial extrusion of extruded product
EP4011514A1 (en) * 2020-12-11 2022-06-15 Technische Universität Berlin Method and device for manufacturing an extruded product

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001096039A1 (en) * 2000-06-10 2001-12-20 Intai Jin A manufacturing device of the curved metal tube and rod with an arbitrary section
KR100364043B1 (en) * 2000-06-10 2002-12-11 진인태 A manufacturing device and method of the curved metal tube and rod with a arbitrary section
KR100416578B1 (en) * 2000-11-01 2004-02-05 진인태 Bending Machine by Hot Metal Extrusion
WO2008073473A1 (en) * 2006-12-11 2008-06-19 Ohio University Apparatus and method for extruding micro-channel tubes
JP2010512248A (en) * 2006-12-11 2010-04-22 オハイオ ユニバーシティ Apparatus and method for extruding a microchannel tube
US8191393B2 (en) 2006-12-11 2012-06-05 Ohio University Micro-channel tubes and apparatus and method for forming micro-channel tubes
EP4011515A1 (en) * 2020-12-11 2022-06-15 Technische Universität Berlin Method and device for coaxial extrusion of extruded product
EP4011514A1 (en) * 2020-12-11 2022-06-15 Technische Universität Berlin Method and device for manufacturing an extruded product
WO2022122951A1 (en) * 2020-12-11 2022-06-16 Technische Universität Berlin Method and device for coaxially extruding an extruded product
WO2022122950A1 (en) 2020-12-11 2022-06-16 Technische Universität Berlin Method and device for producing an extruded product

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