JPH01309716A - Method and apparatus for continuous extrusion - Google Patents
Method and apparatus for continuous extrusionInfo
- Publication number
- JPH01309716A JPH01309716A JP14043688A JP14043688A JPH01309716A JP H01309716 A JPH01309716 A JP H01309716A JP 14043688 A JP14043688 A JP 14043688A JP 14043688 A JP14043688 A JP 14043688A JP H01309716 A JPH01309716 A JP H01309716A
- Authority
- JP
- Japan
- Prior art keywords
- movable wheel
- passage
- fixed block
- groove
- closing wall
- 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
- 238000000034 method Methods 0.000 title claims description 22
- 238000001125 extrusion Methods 0.000 title claims description 20
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000002002 slurry Substances 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007711 solidification Methods 0.000 abstract description 8
- 230000008023 solidification Effects 0.000 abstract description 8
- 238000005204 segregation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 7
- 238000005266 casting Methods 0.000 description 6
- 239000011162 core material Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Extrusion Of Metal (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は半固体状金属スラリー（以下金属スラリーと記
す）を用いた連続押出し方法及びその装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a continuous extrusion method using a semi-solid metal slurry (hereinafter referred to as metal slurry) and an apparatus therefor.
（従来の技術〕 金属材料の成形方法の一つに押出し法がある。(Conventional technology) One of the methods for forming metal materials is extrusion.
最も一般的な押出し法は第２図に示すようにコンテナ（
１１’）の一端の出口に所望の形状を有するダイス（１
２）を固定し、該コンテナ（１１’）内に主に鋳造によ
り製造した押出し材料（１７）を充填し、ポンチ（１８
）にて加圧するもので必り、単一材料だけでなく複合材
料も製造可能であるが、バッチ式であるために製品長さ
が短いという致命的な欠点を有する。The most common extrusion method is a container (
A die (11') having a desired shape at the outlet of one end
2) is fixed, the container (11') is filled with an extruded material (17) mainly manufactured by casting, and the punch (18) is fixed.
), and it is possible to manufacture not only single materials but also composite materials, but because it is a batch method, it has the fatal drawback of short product length.
そこでこの欠点をカバーする方法としてコンフォーム押
出し法がある。この方法は第３図に示されるように外周
面に溝を有する可動ホイール（１）と該ホイール（１）
の一部外周面と摺接し、後端に溝閉塞壁（２）を突設し
た固定ブロック（３）とで形成される通路（４）にその
前部から材料（以下フィードストックと記す＞ （１９
）を供給し、該フィードストック（１９）は可動ホイー
ル（１）の回転に伴ない溝との間で生じる接触摩擦抵抗
により押出し力を得て固定ブロック（３）内の溝閉塞壁
（２）の近傍に形成され、通路（４）に連通するコンテ
ナ（１１）内へ流れ込み、該コンテナ（１１）の一端に
固定されたダイス（１２）より押出すものであり、フィ
ードストック（１９）を連続的に供給することにより長
尺の製品が得られる特徴を持っている。さらにこの押出
し方法を用いると第３図に示すようにコンテナ（１１）
内にダイス（１２）と反対端から芯材（１６）を供給す
ることにより芯材（１６）を被覆する複合材料の製造も
可能である。Therefore, there is a conform extrusion method as a method to overcome this drawback. This method consists of a movable wheel (1) having grooves on its outer circumferential surface and a
The material (hereinafter referred to as feedstock) is introduced from the front part into the passageway (4) formed by the fixed block (3) which is in sliding contact with a part of the outer peripheral surface of the block and has a groove closing wall (2) protruding from the rear end. 19
), and the feedstock (19) obtains an extrusion force due to the contact friction resistance generated between the movable wheel (1) and the groove as the movable wheel (1) rotates, and pushes out the groove closing wall (2) in the fixed block (3). It flows into a container (11) formed near the passageway (4) and is extruded from a die (12) fixed to one end of the container (11), and the feedstock (19) is continuously It has the characteristic that long products can be obtained by supplying the same amount. Furthermore, when this extrusion method is used, a container (11) is formed as shown in Figure 3.
It is also possible to manufacture a composite material covering the core material (16) by feeding the core material (16) into the die (12) from the opposite end.
（発明が解決しようとする課題）
しかしこのような特徴のあるコンフォーム押出機を用い
た製造工程においては次のような欠点がある。即ち、先
ず第１にフィードストックとする長尺の線材を予め別工
程で製造する必要があるために工程上及びコスト上不利
でおる。(Problems to be Solved by the Invention) However, the manufacturing process using a conform extruder having such characteristics has the following drawbacks. That is, first of all, it is necessary to manufacture a long wire rod as a feedstock in advance in a separate process, which is disadvantageous in terms of process and cost.
第２の欠点はフィードストックの健全性にある。即ち一
般にフィードストックは製造コストが安価なベルトアン
ドホイール型連続鋳造圧延法により１ｑられる荒引線が
用いられるが、このような材料には、鋳造工程に起因す
る微小な引は巣や割れが不可避的に存在し、これらは押
出し材の表面傷となるため、品質上健全な材料とはいい
難い。The second drawback lies in the integrity of the feedstock. In other words, feedstock is generally made of rough drawn wire produced by the belt-and-wheel type continuous casting and rolling method, which is inexpensive to manufacture, but such materials inevitably have minute cavities and cracks caused by the casting process. Since these scratches occur on the surface of the extruded material, it is difficult to say that the material is of sound quality.
さらに第３の欠点は通常常温で必る除材のフィードスト
ックを供給するのでその押出しには大きな力を必要とし
、従って設備が大型化してしまい、加えてエネルギーコ
ストが大きくなる欠点がある。そこでこれに対処するた
め溶湯を供給する方法もあるが、この場合は上記押出し
設備、即ち可動ホイール、固定ブロック等を侵食してし
まい、設備寿命が著しく低下するという問題があった。Furthermore, the third drawback is that since feedstock for material removal, which is normally required at room temperature, is supplied, a large force is required for extrusion, resulting in an increase in equipment size and, in addition, an increase in energy costs. To deal with this, there is a method of supplying molten metal, but in this case, there is a problem that the extrusion equipment, ie, the movable wheel, fixed block, etc., is eroded and the life of the equipment is significantly shortened.
本発明はこれに鑑み種々検討の結果、コンフォーム押出
機を用いて低コストで品質の優れた金属材料を製造する
ことを目的としスラリーをコンフォーム押出し機に連続
的に圧入し、これを可動ホイール及び固定ブロックを用
いて冷却することにより徐々に固化させ最終的に完全に
凝固した鋳塊とし、これを押出す金属材料の押出し方法
及びその装置を開発したものである。In view of this, as a result of various studies, the present invention aims to manufacture high-quality metal materials at low cost using a conform extruder. Slurry is continuously press-fitted into a conform extruder, and the slurry is movable. We have developed a method and apparatus for extruding metal materials that gradually solidify by cooling using a wheel and fixed block to finally form a completely solidified ingot, and extrude this ingot.
即ち本発明の方法は外周面に溝を有する可動ホイールと
、該可動ホイールの一部外周面と摺接し、後端に溝閉塞
壁を突設した固定ブロックとで形成される通路にその前
部から材料を供給し、核材料を可動ホイールの回転によ
りその材料と溝との間に生ずる接触摩擦抵抗力を用いて
固定ブロック内の溝閉塞壁の近傍に形成した該通路と連
通するコンテナ内に圧入し、さらにコンテナの一端に設
けたダイスを通して押出す方法において、通路の前部か
ら後部にかけて該通路の横断面積を次第に小さくし、溝
閉塞里の侵方で可動ホイールの溝を冷却し、また固定ブ
ロツクを冷却してさらに通路に供給する材料として半固
体状金属スラリーを用いることを特徴とするものである
。That is, the method of the present invention includes a movable wheel having a groove on its outer peripheral surface, and a fixed block that is in sliding contact with a portion of the outer peripheral surface of the movable wheel and has a groove closing wall protruding from its rear end. The core material is placed in a container communicating with the passage formed in the vicinity of the groove closing wall in the fixed block by using the contact friction force generated between the material and the groove by the rotation of the movable wheel. In the method of press-fitting and extruding through a die provided at one end of the container, the cross-sectional area of the passage is gradually reduced from the front to the rear of the passage, and the groove of the movable wheel is cooled by encroachment of the groove blockage. This method is characterized in that a semi-solid metal slurry is used as a material for cooling the fixed block and supplying it to the passage.
また本発明の装置は外周面に溝を有する可動ホイールと
、該可動ホイールの一部外周面に固接して後端に溝閉塞
壁を突設した固定ブロックとを設け、この可動ホイール
の溝と固定ブロックとの間に材料を供給する通路を形成
し、かつ固定ブロック内の溝閉塞壁の近傍に該通路と連
通ずるコンテナを形成し、さらにコンテナの一端にダイ
スを取付けて通路の前部から供給した材料を可動ホイー
ルの回転によりその材料と溝との間に生ずる接触摩擦抵
抗力を用いてコンテナ内に圧入し、さらにダイスを通し
て押出す装置において、固定ブロックの可動ホイールと
の摺接面を通路内に凸設し、かつその凸設部の高さを通
路の前部から後部にかけて次第に大きく形成し、また固
定ブロック内に該固定ブロックを冷却する水冷管を設け
、また溝閉塞壁の後方に可動ホイールの溝を水冷する水
冷装置及び水分除去装置を設けてさらに通路に供給する
材料として半固体状金属スラリーを用いたことを特徴と
するものである。Further, the device of the present invention is provided with a movable wheel having a groove on its outer circumferential surface, and a fixed block that is firmly attached to a part of the outer circumferential surface of the movable wheel and has a groove closing wall protruding from its rear end. A passage for supplying material is formed between the stationary block and a container communicating with the passage near the groove closing wall in the stationary block, and a die is attached to one end of the container to feed the material from the front of the passage. In a device that presses the supplied material into a container using the contact friction force generated between the material and the groove due to the rotation of the movable wheel, and then extrudes it through a die, the sliding surface of the fixed block with the movable wheel is The height of the protruding portion is gradually increased from the front to the rear of the passage, and the fixed block is provided with a water cooling pipe for cooling the fixed block. The present invention is characterized in that a water cooling device and a water removal device are provided to water-cool the grooves of the movable wheel, and a semi-solid metal slurry is used as the material supplied to the passage.
スラリーとは固液共存状態において含まれる固体が相互
に連結することなく粒子状として液体と存在する状態を
言い、これを鋳造に用いた場合は溶融金属を用いる既存
の鋳造に比べて次のような利点を有する。Slurry is a solid-liquid coexistence state in which solids exist in the form of particles without interconnecting with the liquid, and when used for casting, the following effects occur compared to existing casting using molten metal: It has many advantages.
（１）凝固収縮が小さいので割れや引は巣が減少する。(1) Small solidification shrinkage reduces cracks and cracks.
（２）凝固潜熱が小さいので凝固時間その後の冷却時間
が短縮出来る。(2) Since the latent heat of solidification is small, the cooling time after solidification time can be shortened.
（３）結晶粒が微細なので割れが減少し又偏析が少ない
。(3) Since the crystal grains are fine, cracks are reduced and segregation is also reduced.
（４）設備の侵食損耗が少ないのでその寿命が延びる。(4) Since the equipment suffers less erosion and wear, its lifespan is extended.
さらに鋳造時に圧力を加えることにより所定の形状に流
し込むことが可能であり、溶融金属の持つ流動性という
特徴も兼ね備える。Furthermore, it can be poured into a predetermined shape by applying pressure during casting, and also has the fluidity characteristic of molten metal.
本発明は金属スラリーの持つこれらの特徴を利用してな
されたもので、溶製炉にて！！造された金属スラリーは
第１図（イ）に示すように外周面に溝を有する可動ホイ
ール（１）と、該可動ホイール（１）の一部外周面と！
習接し、後端に溝閉塞壁（２）を突設した固定ブロック
（３）とで形成される通路（４）内に、その断面形状が
溝の断面形状と相似形で、先端に摺動部材（５）を設け
て溝内に設置されているノズル（６）によって連続的に
その通路（４）の前部から供給され、その中を十分に充
填する。The present invention was made by taking advantage of these characteristics of metal slurry, and was made in a melting furnace! ! As shown in FIG. 1(a), the produced metal slurry forms a movable wheel (1) having grooves on its outer circumferential surface, and a part of the outer circumferential surface of the movable wheel (1)!
In the passageway (4) formed by the fixed block (3) which is in contact with the groove and has a groove closing wall (2) projecting from the rear end, the cross-sectional shape is similar to the cross-sectional shape of the groove, and the groove is slidable at the tip. A member (5) is provided which is continuously fed from the front of its passageway (4) by a nozzle (6) placed in the groove and satisfactorily fills it.
そして通路（４）内の金属スラリー（７）は可動ホイー
ル（１）に接触する側は可動ホイール（１）の熱容量に
より、また固定ブロック（３）に接触する側は固定ブロ
ック（３）内に設けた水冷管（８）内を流れる冷却水に
より冷却され、通路（４）内を移動するにつれて徐々に
固化し、ついには完全に凝固した鋳塊（９）となる。こ
の鋳塊（９）は金属スラリーの特徴として前述したよう
に割れ、引は巣及び気泡等の鋳造欠陥が非常に少なく極
めて品質は良好なものである。The metal slurry (7) in the passage (4) is heated by the heat capacity of the movable wheel (1) on the side in contact with the movable wheel (1), and in the fixed block (3) on the side in contact with the fixed block (3). The ingot is cooled by the cooling water flowing through the provided water cooling pipe (8), gradually solidifies as it moves through the passage (4), and finally becomes a completely solidified ingot (9). This ingot (9) is of extremely good quality, with very few casting defects such as cracks, cavities and bubbles, as described above as a characteristic of metal slurry.
この通路（４）内においては第１図（イ）（ロ）（ハ）
に示すように固定ブロック（３）の可動ホイール（１）
との摺接面を通路（４）内に凸設した凸設部（１０）を
形成し、その通路（４）内への凸設高さ（を及びｔ’
）を前部から後部にかけて次第に大きくする（即ちｔ＜
ｔ’ とする）。これは上記凝固の際金属スラリー（７
）はわずかながら凝°固収縮が起こるのでその体積減少
分を凸設部（１０）の体積増加分でカバーするためであ
る。In this passage (4), Figure 1 (a), (b), and (c)
Movable wheel (1) on fixed block (3) as shown
A protruding portion (10) is formed with a sliding surface protruding into the passage (4), and the protrusion height (and t') into the passage (4) is formed.
) gradually increases from the front to the rear (i.e., t<
t'). This is the metal slurry (7
), a small amount of solidification shrinkage occurs, so the volume reduction is compensated for by the volume increase of the convex portion (10).
このように通路（４）内で凝固した鋳塊（９）は可動ホ
イール（１）の回転により生ずる接触摩擦抵抗により押
出し力を与えられて固定ブロック（３）内の溝閉塞壁（
２）の近傍に形成した、該通路（４）と連通ずるコンテ
ナ（１１）内に圧入され、引き続いてダイス（１２）に
より所望の形状の金属材料として押出される。The ingot (9) solidified in the passageway (4) is given an extrusion force by the contact friction resistance generated by the rotation of the movable wheel (1), and is pushed into the groove closing wall (
The metal material is press-fitted into a container (11) formed near the channel (2) and communicating with the passageway (4), and then extruded as a metal material in a desired shape by a die (12).
さらに溝閉塞壁（２）の後方には可動ホイール（１）の
溝を水冷する冷却水吹付は用スプレー群（１３）を設け
て可動ホイール（１）が金属スラリー（７）から抽出し
た熱量を奪い、また該スプレー群（１３）の後方には冷
却の際溝内に付着した水分を高圧空気を吹き付けて除去
するための空気吹付は用スプレー群（１４）を設けてい
るので通路（４）前部の金属スラリー（７）が供給され
る位置では可動ホイール（１）の溝部は常に一定温度と
なる。Furthermore, a spray group (13) for cooling the groove of the movable wheel (1) is provided behind the groove blocking wall (2) to reduce the amount of heat extracted from the metal slurry (7) by the movable wheel (1). Also, behind the spray group (13), there is a spray group (14) for blowing high pressure air to remove the moisture that has adhered to the grooves during cooling. At the front position where the metal slurry (7) is supplied, the groove of the movable wheel (1) is always at a constant temperature.
なお金属スラリー（７）を供給するノズル（６）の外周
には断熱材（１５）が巻き付けられてあり可動ホイール
の構造、ダイスの取イ」け方法等信の構造に関しては既
存のコンフォーム押出機と同じである。Note that a heat insulating material (15) is wrapped around the outer periphery of the nozzle (6) that supplies the metal slurry (7), and the structure of the movable wheel, the method of removing the die, etc. are similar to existing conform extrusion methods. It is the same as the machine.
また適用材料は単一材料だけでなく、従来と同様複合材
料をも含む。Furthermore, the applicable materials include not only single materials but also composite materials as in the past.
次に本発明を実施例により詳しく説明する。 Next, the present invention will be explained in detail with reference to examples.
実施例（１）
第１図に示す構成で主な設僅仕様が次のような押出装置
により鋼線を芯材（１６）とし、その表面にアルミを被
覆するいわゆるアルミ被覆鋼線の製造実験を行なった。Example (1) A manufacturing experiment of a so-called aluminum-coated steel wire in which a steel wire is used as a core material (16) and the surface thereof is coated with aluminum using an extrusion device having the configuration shown in Fig. 1 and the main specifications as follows. I did it.
（ａ）可動ホイール：
外径５００繭、溝幅７Ｍ、溝深さ８馴
（ｂ）固定ブロック：
凸設部の幅６，８Ｍ、
（Ｃ）押出ダイス：
孔直径５．５＃１
また製品仕様としては鋼線径３．５＃を用いるためアル
ミ被覆率（押出し後の材料全断面積に対するアルミ断面
積の百分率）は約６０％でおる。(a) Movable wheel: Outer diameter 500mm, groove width 7M, groove depth 8mm (b) Fixed block: Convex width 6.8M, (C) Extrusion die: Hole diameter 5.5#1 Also, the product As for the specifications, since a steel wire diameter of 3.5# is used, the aluminum coverage (percentage of the aluminum cross-sectional area to the total cross-sectional area of the material after extrusion) is approximately 60%.
先ず予備実験として第１図に示すノズル（６）より９９
．７％ＡＩ！の固相率５０％スラリーを通路（４）内に
常に２ Ｋｇ ／ ｍｉｔの圧力を加えて注入し、固定
ブロック（３）と可動ホイール（１）の温度測定を行な
うことによって通路（４）内の移動過程における同相率
の変化を調べた。その結果可動ホイール（１）が５ ｐ
ｐｍで回転する状態では、固定ブロック（３）内の水冷
管（８）に流す水量が２０１／ｍｉ眠可動ホイール（１
）への吹付は水量が１゜ｉ／ｍｒｎ条件で、凝固完了位
置が通路（４）前部の金属スラリー（７）の入口部とコ
ンテナ（１１）の入口部の中間に位置すること及び通路
（４）前部の金属スラリー（７）の入口部における可動
ホイールの温度が常に一定になることを確認した。さら
に５ 、ｆ！ ／ｍｉｎの空気を可動ホイール（１）に
吹付けることによりその表面の水分は完全に除去された
。First, as a preliminary experiment, a 99-p.
．． 7% AI! A slurry with a solid phase ratio of 50% is injected into the passage (4) under a constant pressure of 2 Kg/mit, and the temperature of the fixed block (3) and the movable wheel (1) is measured. We investigated the change in the in-phase rate during the movement process. As a result, the movable wheel (1) is 5p
When the movable wheel (1
), the amount of water is 1゜i/mrn, and the solidification completion position is located between the inlet of the metal slurry (7) at the front of the passageway (4) and the inlet of the container (11). (4) It was confirmed that the temperature of the movable wheel at the inlet of the front metal slurry (7) was always constant. 5 more, f! Moisture on the surface of the movable wheel (1) was completely removed by blowing air at a rate of 1/min to the movable wheel (1).
この予備実験に基づき表面処理を施した鋼線をコンテナ
内に導入し上記予備実験と全く同じ条件で本発明法によ
るアルミ被覆鋼線を作成した。A steel wire subjected to surface treatment based on this preliminary experiment was introduced into a container, and an aluminum-coated steel wire according to the method of the present invention was produced under exactly the same conditions as in the above preliminary experiment.
一方比較材としてベルトアンドホイール型連続鋳造圧延
法により製造された９９゜７％Ａ１荒引線を用いて第３
図に示したコンフォーム押出し機により同じ可動ホイー
ル回転数にて従来法によるアルミ被覆鋼線を作成した。On the other hand, as a comparison material, a 99°7% A1 rough drawn wire manufactured by belt-and-wheel type continuous casting and rolling method was used.
Aluminum coated steel wire was produced using the conventional method using the conform extruder shown in the figure at the same movable wheel rotation speed.
この両者を比較した所、表面品質並びに鋼線とアルミの
接合性においては本発明法によるアルミ被覆鋼線と従来
のものとの差は認められなかった。従って本発明を用い
ることによりフィードストック製造工程を省略出来るた
めコスト的、時間的に非常に有利である。When the two were compared, no difference was found between the aluminum-coated steel wire produced by the method of the present invention and the conventional one in terms of surface quality and bondability between the steel wire and aluminum. Therefore, by using the present invention, the feedstock manufacturing process can be omitted, which is very advantageous in terms of cost and time.
実施例（２）
次に押出し材の品質への影響を確認するため凝固温度範
囲が広いＡ１−２．５％Ｃｕ合金の押出し実験を行なっ
た。この組成の合金は凝固収縮が大きいため割れを生じ
易く、また内部に微小な引は巣を非常に生じ易いもので
ある。Example (2) Next, in order to confirm the influence on the quality of the extruded material, an extrusion experiment was conducted using an A1-2.5% Cu alloy having a wide solidification temperature range. An alloy with this composition has a large solidification shrinkage, so it is likely to crack, and it is also very likely to form microscopic cavities inside.
第１図に示す本発明装置に上記合金の固相率７０％のス
ラリーを圧入し、芯材は導入せずに単一材料を押出した
。次に従来のコンフォーム押出し機により同一組成の合
金からベルトアンドホイール型連続鋳造圧延法により１
ｑられた荒引線をフィードストックとして同一形状の押
出し材を作成した。A slurry of the above alloy having a solid phase ratio of 70% was press-fitted into the apparatus of the present invention shown in FIG. 1, and a single material was extruded without introducing a core material. Next, a conventional conform extruder is used to form an alloy of the same composition by belt-and-wheel continuous casting and rolling.
An extruded material of the same shape was created using the drawn rough line as feedstock.
これら押出し材について外観を観察し、長さ１ｍ当りの
割れ発生数を調べ、さらに比重を測定してこれらの結果
を第１表に示した。The appearance of these extruded materials was observed, the number of cracks generated per meter of length was determined, and the specific gravity was measured. The results are shown in Table 1.
なお割れはその長さにより次のように大、中。Depending on the length of the crack, it is classified as large or medium as shown below.
小で区分した。Classified by small size.
大・・・・・・・・割れ長さ１〜２履
中・・・・・・・・割れ長さ０．５〜１ｓ小・・・・・
・・・割れ長さ〜０．５ｍ第１表から明らかなように本
発明法による押出し材は極めて品質に優れ、いわゆる難
加工材の押出しにも有効でおることが判る。Large...Crack length 1-2 shoes Medium...Crack length 0.5-1s Small...
...Crack length ~0.5m As is clear from Table 1, the extruded material produced by the method of the present invention has extremely excellent quality and is effective in extruding so-called difficult-to-process materials.
（発明の効果）
本発明によればフィードストックを用いることなくコン
フォーム押出しを行なうことが出来るので、その製造工
程省略という工程上、コスト上の利点だけでなく、押出
し材の品質向上さらには難加工材の押出しも可能であり
、また装置の小型化及びエネルギーコストの低減も図れ
る等工業上極めて顕著な効果を奏するものである。(Effects of the Invention) According to the present invention, conform extrusion can be performed without using feedstock, which not only has advantages in terms of process and cost by omitting the manufacturing process, but also improves the quality of extruded materials and improves the quality of the extruded material. It is possible to extrude processed materials, and it also has extremely significant industrial effects, such as miniaturization of equipment and reduction of energy costs.
第１図（イ）（ロ） （ハ）は本発明装置の一実施例を
示すもので（イ）は側断面図、（ロ）は（イ）のＡＡ’
線断面図、（ハ）は（イ）のＢＢ’線断面図、第２図及
び第３図はそれぞれ従来例を示す側断面図である。
１・・・・・・・・可動ホイール
２・・・・・・・・溝閉塞壁
３・・・・・・・・固定ブロック
４・・・・・・・・通路
５・・・・・・・・摺動部材
６・・・・・・・・ノズル
７・・・・・・・・半固体状金属スラリー８・・・・・
・・・水冷管
９・・・・・・・・鋳塊
１０・・・・・・・・凸設部
１、１１°・・・・コンテナ
１２・・・・・・・・ダイス
１３・・・・・・・・冷却水吹付は用スプレー群１４・
・・・・・・・空気吹付は用スプレー群１５・・・・・
・・・断熱材
１６・・・・・・・・芯材
１７・・・・・・・・押出し材料
１８・・・・・・・・ポンチ
１９・・・・・・・・フィードストック寸 ＱFigures 1 (a), (b), and (c) show an embodiment of the present invention device, in which (a) is a side sectional view, and (b) is an AA' of (a).
(c) is a sectional view taken along line BB' of (a), and FIGS. 2 and 3 are side sectional views showing the conventional example. 1...Movable wheel 2...Groove closing wall 3...Fixed block 4...Passage 5... ... Sliding member 6 ... Nozzle 7 ... Semi-solid metal slurry 8 ...
...Water-cooled pipe 9...Ingot 10...Convex portion 1, 11°...Container 12...Dice 13...・・・・・・For cooling water spray, use spray group 14.
......Air spray is for spray group 15...
・・・Insulating material 16・・・・・・Core material 17・・・Extrusion material 18・・・・・・Punch 19・・・・・・Feedstock size Q
Claims (2)
ールの一部外周面と摺接し、後端に溝閉塞壁を突設した
固定ブロックとで形成される通路にその前部から材料を
供給し、該材料を可動ホィールの回転によりその材料と
溝との間に生ずる接触摩擦抵抗力を用いて固定ブロック
内の溝閉塞壁の近傍に形成した該通路と連通するコンテ
ナ内に圧入し、さらにコンテナの一端に設けたダイスを
通して押出す方法において、通路の前部から後部にかけ
て該通路の横断面積を次第に小さくし、溝閉塞壁の後方
で可動ホィールの溝を冷却し、また固定ブロックを冷却
してさらに通路に供給する材料として半固体状金属スラ
リーを用いることを特徴とする連続押出し方法。(1) Material is introduced from the front part into a passage formed by a movable wheel having a groove on its outer peripheral surface and a fixed block that is in sliding contact with a portion of the outer peripheral surface of the movable wheel and has a groove closing wall protruding from its rear end. supplying the material, and press-fitting the material into a container communicating with the passage formed near the groove closing wall in the fixed block using the contact frictional resistance force generated between the material and the groove by rotation of the movable wheel, Furthermore, in the method of extrusion through a die provided at one end of the container, the cross-sectional area of the passage is gradually reduced from the front to the rear of the passage, and the groove of the movable wheel is cooled behind the groove closing wall, and the fixed block is cooled. A continuous extrusion method characterized in that a semi-solid metal slurry is used as a material to be fed into the passage.
ールの一部外周面に摺接して後端に溝閉塞壁を突設した
固定ブロックとを設け、この可動ホィールの溝と固定ブ
ロックとの間に材料を供給する通路を形成し、かつ固定
ブロック内の溝閉塞壁の近傍に該通路と連通するコンテ
ナを形成し、さらにコンテナの一端にダイスを取付けて
通路の前部から供給した材料を可動ホィールの回転によ
りその材料と溝との間に生ずる接触摩擦抵抗力を用いて
コンテナ内に圧入し、さらにダイスを通して押出す装置
において、固定ブロックの可動ホィールとの摺接面を通
路内に凸設し、かつその凸設部の高さを通路の前部から
後部にかけて次第に大きく形成し、また固定ブロック内
に該固定ブロックを冷却する水冷管を設け、また溝閉塞
壁の後方に可動ホィールの溝を水冷する水冷装置及び水
分除去装置を設けてさらに通路に供給する材料として半
固体状金属スラリーを用いたことを特徴とする連続押出
し装置。(2) A movable wheel having a groove on its outer peripheral surface, and a fixed block that slides on a portion of the outer circumferential surface of the movable wheel and has a groove closing wall protruding from its rear end, and the groove of the movable wheel and the fixed block are provided. A container is formed near the groove closing wall in the fixed block and communicates with the passage, and a die is attached to one end of the container to supply the material from the front part of the passage. In this device, the sliding surface of the fixed block with the movable wheel is placed in the passageway. The height of the protruding part is gradually increased from the front part to the rear part of the passage, and a water cooling pipe for cooling the fixed block is provided in the fixed block, and a movable wheel is provided at the rear of the groove closing wall. A continuous extrusion device characterized in that it is provided with a water cooling device and a water removal device for cooling the channels with water, and further uses a semi-solid metal slurry as a material to be supplied to the passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14043688A JPH01309716A (en) | 1988-06-09 | 1988-06-09 | Method and apparatus for continuous extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14043688A JPH01309716A (en) | 1988-06-09 | 1988-06-09 | Method and apparatus for continuous extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01309716A true JPH01309716A (en) | 1989-12-14 |
Family
ID=15268610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14043688A Pending JPH01309716A (en) | 1988-06-09 | 1988-06-09 | Method and apparatus for continuous extrusion |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01309716A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615802A (en) * | 2012-04-11 | 2012-08-01 | 大连交通大学 | Visual ultrahigh molecular weight continuous extrusion experimental device for polyethylene |
| WO2018134018A1 (en) * | 2017-01-18 | 2018-07-26 | Neue Materialien Fürth GmbH | Continuous extrusion process for a metal-containing bulk material and metal-powder extrusion installation |
-
1988
- 1988-06-09 JP JP14043688A patent/JPH01309716A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615802A (en) * | 2012-04-11 | 2012-08-01 | 大连交通大学 | Visual ultrahigh molecular weight continuous extrusion experimental device for polyethylene |
| WO2018134018A1 (en) * | 2017-01-18 | 2018-07-26 | Neue Materialien Fürth GmbH | Continuous extrusion process for a metal-containing bulk material and metal-powder extrusion installation |
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