JPH06255332A - Manufacture of aluminum made suspension parts - Google Patents
Manufacture of aluminum made suspension partsInfo
- Publication number
- JPH06255332A JPH06255332A JP4252193A JP4252193A JPH06255332A JP H06255332 A JPH06255332 A JP H06255332A JP 4252193 A JP4252193 A JP 4252193A JP 4252193 A JP4252193 A JP 4252193A JP H06255332 A JPH06255332 A JP H06255332A
- Authority
- JP
- Japan
- Prior art keywords
- aluminum
- final product
- extruded profile
- aluminum extruded
- cut
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、たとえば自動車のサ
スペンションに用いられるアーム、リンク等のようなア
ルミニウム製サスペンション部品を製造する方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing aluminum suspension parts such as arms and links used for automobile suspensions.
【０００２】この明細書において、「アルミニウム」と
いう語には、純アルミニウムの他にアルミニウム合金を
含むものとする。In this specification, the term "aluminum" includes aluminum alloy in addition to pure aluminum.
【０００３】[0003]
【従来の技術】自動車用サスペンション部品としては、
従来、プレス成形された鋼製のものが用いられていた。
ところが、近年、自動車の性能向上および燃費低減のた
めに、軽量化が要求されるようになってきており、各種
自動車用サスペンション部品にアルミニウム製品を用い
ることが考えられている。2. Description of the Related Art As an automobile suspension component,
Conventionally, press-formed steel products have been used.
However, in recent years, in order to improve the performance of automobiles and reduce fuel consumption, weight reduction has been demanded, and it is considered to use aluminum products for various suspension components for automobiles.
【０００４】ところで、自動車用サスペンション部品
は、通常、その各部分の形状が、同一方向に伸びる軸線
を有していない。たとえばロアアームの場合、その両端
部に、ゴムブシュを介して車体側および車輪側へ揺動自
在に取付けるための取付け孔が形成されているが、その
揺動中心の向きが異なっているため、取付け孔の方向も
異なったものとなっている。しかも、ロアアームには、
その重量を軽減させるための複数の重量軽減用貫通孔も
形成されている。By the way, in a vehicle suspension component, the shape of each part thereof does not normally have an axis extending in the same direction. For example, in the case of a lower arm, mounting holes for swingably mounting to the vehicle body side and the wheel side via rubber bushes are formed at both ends of the lower arm. The direction of is also different. Moreover, in the lower arm,
A plurality of weight reducing through holes for reducing the weight is also formed.
【０００５】そのため、従来、このようなロアアーム
は、押出成形された丸棒を加熱して熱間型鍛造加工を施
した後トリミングし、さらに熱処理することによって製
造されるようになっている。For this reason, conventionally, such a lower arm is manufactured by heating an extruded round bar to perform hot die forging, trimming, and further heat treatment.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、アルミ
ニウム製サスペンション部品を製造する従来の方法で
は、丸棒から所定の形状に熱間型鍛造するさいの型鍛造
に多くの工数を必要とする。しかも、全体にトリミング
を施す必要があるので、除去するばりの量が多くなり、
材料歩留りが悪くなる。したがって、コストが高くなる
という問題がある。However, in the conventional method for manufacturing an aluminum suspension component, a large number of man-hours are required for hot die forging from a round bar into a predetermined shape. Moreover, since it is necessary to trim the whole, the amount of burr to be removed increases,
Material yield deteriorates. Therefore, there is a problem that the cost becomes high.
【０００７】この発明の目的は、上記問題を解決したア
ルミニウム製サスペンション部品の製造方法を提供する
ことにある。An object of the present invention is to provide a method of manufacturing an aluminum suspension component that solves the above problems.
【０００８】[0008]
【課題を解決するための手段】第１の発明によるアルミ
ニウム製サスペンション部品の製造方法は、最終製品形
状に近似した横断面形状を有するアルミニウム押出形材
を成形した後、このアルミニウム押出形材を所定長さに
切断し、ついで切断片の一部分を加熱した後塑性加工を
施して最終製品形状に成形し、さらに溶体化処理および
時効処理を施すことを特徴とするものである。In the method of manufacturing an aluminum suspension component according to the first aspect of the present invention, an aluminum extruded profile having a cross-sectional shape similar to the final product shape is molded, and then the aluminum extruded profile is predetermined. It is characterized in that it is cut into a length, and then a part of the cut piece is heated, subjected to plastic working to be formed into a final product shape, and further subjected to solution treatment and aging treatment.
【０００９】第２の発明によるアルミニウム製サスペン
ション部品の製造方法は、最終製品形状に近似した横断
面形状を有するアルミニウム押出形材を成形した後焼な
まし処理を施し、ついでこのアルミニウム押出形材を所
定長さに切断するか、または最終製品形状に近似した横
断面形状を有するアルミニウム押出形材を成形し、つい
でこのアルミニウム押出形材を所定長さに切断した後焼
なまし処理を施し、その後切断片の一部分に塑性加工を
施して最終製品形状に成形し、さらに溶体化処理および
時効処理を施すことを特徴とするものである。In the method for manufacturing an aluminum suspension component according to the second aspect of the invention, an aluminum extruded profile having a cross-sectional shape similar to the final product shape is formed, annealed and then annealed. Cut into a predetermined length, or form an aluminum extruded profile having a cross-sectional shape similar to the final product shape, then cut this aluminum extruded profile into a predetermined length and then subject to annealing treatment, and then It is characterized in that a part of the cut piece is subjected to plastic working to be formed into a final product shape, and further subjected to solution treatment and aging treatment.
【００１０】第３の発明によるアルミニウム製サスペン
ション部品の製造方法は、最終製品形状に近似した横断
面形状を有するアルミニウム押出形材を成形した後溶体
化処理を施し、ついでこのアルミニウム押出形材を所定
長さに切断するか、または最終製品形状に近似した横断
面形状を有するアルミニウム押出形材を成形し、ついで
このアルミニウム押出形材を所定長さに切断した後溶体
化処理を施し、その後切断片の一部分に塑性加工を施し
て最終製品形状に成形し、さらに時効処理を施すことを
特徴とするものである。In the method for manufacturing an aluminum suspension component according to the third aspect of the present invention, an aluminum extruded shape having a cross-sectional shape similar to the final product shape is formed, and then solution heat treatment is performed, and then the aluminum extruded shape is predetermined. Cut to length or form an aluminum extruded profile with a cross-sectional shape similar to the final product shape, then cut this aluminum extruded profile to a specified length and subject it to solution treatment, and then cut into pieces. It is characterized in that a part of is subjected to plastic working to form a final product shape, and further subjected to an aging treatment.
【００１１】第４の発明によるアルミニウムサスペンシ
ョン部品の製造方法は、方向の異なった２つの孔を有す
るアルミニウム製サスペンション部品を製造する方法で
あって、最終製品形状に近似した横断面形状を有すると
ともに、押出方向に伸びる２つの孔を有するアルミニウ
ム押出形材を成形した後、このアルミニウム押出形材を
所定長さに切断し、ついで１つの孔の近傍を加熱した後
ねじり加工を施して最終製品形状に成形し、さらに溶体
化処理および時効処理を施すことを特徴とするものであ
る。A method of manufacturing an aluminum suspension component according to a fourth aspect of the present invention is a method of manufacturing an aluminum suspension component having two holes with different directions, and has a cross-sectional shape similar to the final product shape. After forming an aluminum extruded profile having two holes extending in the extrusion direction, this aluminum extruded profile is cut to a specified length, and then the vicinity of one hole is heated and then twisted to give the final product shape. It is characterized in that it is molded, and then subjected to solution treatment and aging treatment.
【００１２】第５の発明によるアルミニウムサスペンシ
ョン部品の製造方法は、方向の異なった２つの孔を有す
るアルミニウム製サスペンション部品を製造する方法で
あって、最終製品形状に近似した横断面形状を有すると
ともに、押出方向に伸びる２つの孔を有するアルミニウ
ム押出形材を成形した後、このアルミニウム押出形材を
所定長さに切断し、ついで１つの孔の近傍を加熱した後
曲げ加工を施して最終製品形状に成形し、さらに溶体化
処理および時効処理を施すことを特徴とするものであ
る。A method for manufacturing an aluminum suspension component according to a fifth aspect of the present invention is a method for manufacturing an aluminum suspension component having two holes in different directions, and has a cross-sectional shape similar to the final product shape, After forming an aluminum extruded profile having two holes extending in the extrusion direction, this aluminum extruded profile is cut into a specified length, and then the vicinity of one hole is heated and then bent to give the final product shape. It is characterized in that it is molded, and then subjected to solution treatment and aging treatment.
【００１３】[0013]
【作用】第１〜第３の発明によれば、従来のように全体
を鍛造により成形する場合に比べて工数が少なくなる。
また、塑性加工がばりの発生を伴う場合にも、加工を施
した部分だけにトリミングを施せばよいので、除去する
ばりの量が少なくなって材料歩留りが向上する。According to the first to third inventions, the number of steps is reduced as compared with the conventional case where the whole is formed by forging.
Further, even when plastic working involves burrs, it is sufficient to trim only the worked portion, so that the amount of burrs to be removed is reduced and the material yield is improved.
【００１４】第４および第５の発明によれば、第１〜第
３の発明と同様に、従来のように全体を鍛造により成形
する場合に比べて工数が少なくなる。さらに、ばりが全
く発生しないので、トリミングを施す必要が全くなくな
って材料歩留が向上する。しかも、第４および第５の発
明によれば、方向の異なった２つの孔を有するアルミニ
ウム製サスペンション部品を簡単に製造することができ
る。According to the fourth and fifth inventions, as in the first to third inventions, the number of steps is reduced as compared with the conventional case where the whole is formed by forging. Further, since no burrs are generated, there is no need to perform trimming, and the material yield is improved. Moreover, according to the fourth and fifth inventions, it is possible to easily manufacture an aluminum suspension component having two holes having different directions.
【００１５】[0015]
【実施例】以下、この発明の実施例を、図面を参照して
説明する。この実施例は、この発明の方法を自動車用サ
スペンションのアルミニウム製ロアアームの製造に適用
したものである。Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, the method of the present invention is applied to manufacture of an aluminum lower arm for an automobile suspension.
【００１６】図１はこの発明の実施例を示し、ロアアー
ムを製造する途中の段階の斜視図である。図２はこの実
施例で製造されるロアアームの斜視図である。FIG. 1 shows an embodiment of the present invention and is a perspective view of a stage in the middle of manufacturing a lower arm. FIG. 2 is a perspective view of the lower arm manufactured in this embodiment.
【００１７】図２において、アルミニウム製ロアアーム
(10)は横長の板状で、その両端部に互いに直角をなす第
１および第２の２つの取付け孔(11)(12)が形成されてい
る。また、両取付け孔(11)(12)間に、第１の取付け孔(1
1)と同方向を向いた複数の重量軽減用孔(13)(14)が形成
されている。In FIG. 2, an aluminum lower arm is shown.
Reference numeral (10) is a horizontally long plate-like member, and two first and second mounting holes (11) and (12) which are perpendicular to each other are formed at both ends thereof. In addition, the first mounting hole (1
A plurality of weight reducing holes (13) and (14) facing the same direction as 1) are formed.
【００１８】このようなロアアーム(10)を製造するにあ
たっては、まず、図１に示すような横断面形状を有する
押出形材(1) を成形する。この押出形材(1) は、たとえ
ばJIS Ａ６Ｎ０１合金やＡ６０６１合金などで成形する
のがよい。押出形材(1) は、第２の取付け孔(12)の部分
を除いてロアアーム(10)と同一の横断面形状を有してお
り、第１の取付け孔(11)および重量軽減用孔(13)(14)に
対応する貫通孔(2)(3)(4) を備えている。また、第２の
取付け孔(12)に対応する部分にも、他の貫通孔(2)(3)
(4) と同方向を向いた貫通孔(5) を備えている。In manufacturing such a lower arm (10), first, an extruded profile (1) having a cross-sectional shape as shown in FIG. 1 is formed. The extruded profile (1) is preferably formed of, for example, JIS A6N01 alloy or A6061 alloy. The extruded profile (1) has the same cross-sectional shape as the lower arm (10) except for the portion of the second mounting hole (12), and the first mounting hole (11) and the weight reducing hole. Through holes (2), (3) and (4) corresponding to (13) and (14) are provided. In addition, at the portion corresponding to the second mounting hole (12), other through holes (2) (3)
It has a through hole (5) facing in the same direction as (4).
【００１９】ついで、アルミニウム押出形材(1) を所定
長さに切断して切断片(1A)を形成する。この切断片(1A)
において、貫通孔(2) が第１の取付け孔(11)となり、貫
通孔(3)(4)が重量軽減用孔(13)(14)となる。さらに切断
片(1A)における貫通孔(5) と貫通孔(4) との間の部分を
局部的に加熱し、この部分に切断片(1A)の長さ方向に圧
縮荷重をかけながらねじり加工を施すことによって貫通
孔(5) の向きを他の孔(2)(3)(4) と直角をなすように
し、第２の取付け孔(12)とする。最後に、たとえば質別
Ｔ５またはＴ６となるように熱処理を施す。こうして、
ロアアーム(10)が製造される。Next, the extruded aluminum profile (1) is cut into a predetermined length to form a cut piece (1A). This cutting piece (1A)
In, the through hole (2) serves as the first mounting hole (11), and the through holes (3) and (4) serve as weight reducing holes (13) and (14). Furthermore, the part between the through hole (5) and the through hole (4) in the cut piece (1A) is locally heated and twisted while applying a compressive load to this part in the length direction of the cut piece (1A). The through holes (5) are oriented at right angles to the other holes (2), (3) and (4) by forming the second mounting hole (12). Finally, a heat treatment is performed so that the quality is T5 or T6, for example. Thus
The lower arm (10) is manufactured.
【００２０】図３はこの発明の他の実施例により製造さ
れるロアアームを示す。図３において、ロアアーム(20)
の第２の取付け孔(21)は、第１の取付け孔(11)と鋭角を
なしている。その他の構成は図２に示すロアアームと同
様であり、同一部分に同一符号を付す。FIG. 3 shows a lower arm manufactured according to another embodiment of the present invention. In FIG. 3, the lower arm (20)
The second mounting hole (21) forms an acute angle with the first mounting hole (11). Other configurations are similar to those of the lower arm shown in FIG. 2, and the same parts are designated by the same reference numerals.
【００２１】このロアアーム(20)を製造するにあたって
は、まずロアアーム(10)の場合と同様にして切断片(1A)
を形成した後、切断片(1A)における貫通孔(5) と貫通孔
(4)との間の部分を局部的に加熱し、この部分に切断片
(1A)の厚さ方向に曲げ加工を施すことによって貫通孔
(5) の向きを他の孔(2)(3)(4) と鋭角をなすようにし、
第２の取付け孔(21)とする。最後に、たとえば質別Ｔ５
またはＴ６となるように熱処理を施す。こうして、ロア
アーム(20)が製造される。In manufacturing the lower arm (20), first, the cut piece (1A) is processed in the same manner as the lower arm (10).
After forming the, the through hole (5) and the through hole in the cut piece (1A)
(4) Heat the part between and locally, and cut pieces on this part.
Through hole is formed by bending in the thickness direction of (1A)
Set the direction of (5) so that it makes an acute angle with the other holes (2) (3) (4),
The second mounting hole (21). Finally, for example, T5
Alternatively, heat treatment is performed so as to reach T6. Thus, the lower arm (20) is manufactured.
【００２２】上記実施例は、この発明の方法がロアアー
ムの製造に適用されたものであるが、この発明の方法は
その他の自動車用サスペンション部品の製造にも適用す
ることができる。Although the method of the present invention is applied to the manufacture of the lower arm in the above embodiment, the method of the present invention can also be applied to the manufacture of other vehicle suspension parts.
【００２３】[0023]
【発明の効果】この発明のアルミニウム製品の製造方法
によれば、上述のようにして、アルミニウム製自動車用
サスペンション部品を製造することができる。したがっ
て、従来の方法に比べて工数が少なくなる。さらに、ト
リミングを施すべき部分も少なくなるか、あるいはトリ
ミングを施す必要が全くなくなって材料歩留りが向上す
る。したがって、コストが安くなる。According to the method for manufacturing an aluminum product of the present invention, an aluminum automobile suspension component can be manufactured as described above. Therefore, the number of steps is reduced as compared with the conventional method. Further, the portion to be trimmed is reduced, or the trimming need not be performed at all, and the material yield is improved. Therefore, the cost is reduced.
【００２４】また、第２および第３の発明によれば、方
向の異なった２つの孔を有するアルミニウム製サスペン
ション部品を簡単に製造することができる。Further, according to the second and third inventions, it is possible to easily manufacture an aluminum suspension component having two holes having different directions.
【図１】この発明の実施例を示し、ロアアームを製造す
る途中の段階の斜視図である。FIG. 1 is a perspective view showing an embodiment of the present invention during a stage of manufacturing a lower arm.
【図２】この発明の実施例により製造されるロアアーム
の斜視図である。FIG. 2 is a perspective view of a lower arm manufactured according to an embodiment of the present invention.
【図３】この発明の他の実施例により製造されるロアア
ームの斜視図である。FIG. 3 is a perspective view of a lower arm manufactured according to another embodiment of the present invention.
１ アルミニウム押出形材 １Ａ 切断片 ２ 貫通孔 ５ 貫通孔 １０ ロアアーム １１ 第１の取付け孔 １２ 第２の取付け孔 ２０ ロアアーム ２１ 第２の取付け孔 1 Aluminum Extruded Profile 1A Cut Piece 2 Through Hole 5 Through Hole 10 Lower Arm 11 First Mounting Hole 12 Second Mounting Hole 20 Lower Arm 21 Second Mounting Hole
───────────────────────────────────────────────────── フロントページの続き (72)発明者 潮田 俊太 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 高見 祐一 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 横山 政雄 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 塩沢 康夫 堺市海山町６丁224番地 昭和アルミニウ ム株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shunta 6224, Kaiyamacho, Sakai City, Showa Aluminum Co., Ltd. (72) Inventor, Yuichi Takami 6224, Kaiyamacho, Sakai City, Showa Aluminum Co., Ltd. 72) Inventor Masao Yokoyama, 6-224, Kaiyama-cho, Sakai City, Showa Aluminum Co., Ltd. (72) Inventor, Yasuo Shiozawa, 6-224, Kaiyama-cho, Sakai City, Showa Aluminum Co., Ltd.
Claims (5)
するアルミニウム押出形材を成形した後、このアルミニ
ウム押出形材を所定長さに切断し、ついで切断片の一部
分を加熱した後塑性加工を施して最終製品形状に成形
し、さらに溶体化処理および時効処理を施すことを特徴
とするアルミニウム製サスペンション部品の製造方法。1. An aluminum extruded profile having a cross-sectional shape similar to the final product shape is formed, the aluminum extruded profile is cut into a predetermined length, and then a part of the cut piece is heated, followed by plastic working. A method for manufacturing an aluminum suspension component, which comprises subjecting the material to a final product shape, and further subjecting it to solution treatment and aging treatment.
するアルミニウム押出形材を成形した後焼なまし処理を
施し、ついでこのアルミニウム押出形材を所定長さに切
断するか、または最終製品形状に近似した横断面形状を
有するアルミニウム押出形材を成形し、ついでこのアル
ミニウム押出形材を所定長さに切断した後焼なまし処理
を施し、その後切断片の一部分に塑性加工を施して最終
製品形状に成形し、さらに溶体化処理および時効処理を
施すことを特徴とするアルミニウム製サスペンション部
品の製造方法。2. An aluminum extruded profile having a cross-sectional shape similar to that of the final product is formed, subjected to an annealing treatment, and then the aluminum extruded profile is cut into a predetermined length, or the final product shape is obtained. An aluminum extruded profile with a cross-sectional shape similar to that is formed, then this aluminum extruded profile is cut to a specified length and then annealed, and then a part of the cut piece is subjected to plastic working to obtain the final product. A method for producing an aluminum suspension component, which comprises shaping into a shape, and further subjecting to solution treatment and aging treatment.
するアルミニウム押出形材を成形した後溶体化処理を施
し、ついでこのアルミニウム押出形材を所定長さに切断
するか、または最終製品形状に近似した横断面形状を有
するアルミニウム押出形材を成形し、ついでこのアルミ
ニウム押出形材を所定長さに切断した後溶体化処理を施
し、その後切断片の一部分に塑性加工を施して最終製品
形状に成形し、さらに時効処理を施すことを特徴とする
アルミニウム製サスペンション部品の製造方法。3. An aluminum extruded profile having a cross-sectional shape similar to that of the final product is molded and then subjected to solution treatment, and then this aluminum extruded profile is cut into a predetermined length or formed into a final product shape. An aluminum extruded profile with a similar cross-sectional shape is formed, then this aluminum extruded profile is cut to a specified length and then solution heat treated, and then a part of the cut piece is subjected to plastic working to obtain the final product shape. A method for manufacturing an aluminum suspension component, which comprises molding and further aging treatment.
ニウム製サスペンション部品を製造する方法であって、 最終製品形状に近似した横断面形状を有するとともに、
押出方向に伸びる２つの孔を有するアルミニウム押出形
材を成形した後、このアルミニウム押出形材を所定長さ
に切断し、ついで１つの孔の近傍を加熱した後ねじり加
工を施して最終製品形状に成形し、さらに溶体化処理お
よび時効処理を施すことを特徴とするアルミニウム製サ
スペンション部品の製造方法。4. A method for manufacturing an aluminum suspension component having two holes in different directions, the method having a cross-sectional shape approximate to a final product shape,
After forming an aluminum extruded profile having two holes extending in the extrusion direction, this aluminum extruded profile is cut to a specified length, and then the vicinity of one hole is heated and then twisted to give the final product shape. A method for manufacturing an aluminum suspension component, which comprises molding, and further subjecting to solution treatment and aging treatment.
ニウム製サスペンション部品を製造する方法であって、 最終製品形状に近似した横断面形状を有するとともに、
押出方向に伸びる２つの孔を有するアルミニウム押出形
材を成形した後、このアルミニウム押出形材を所定長さ
に切断し、ついで１つの孔の近傍を加熱した後曲げ加工
を施して最終製品形状に成形し、さらに溶体化処理およ
び時効処理を施すことを特徴とするアルミニウム製サス
ペンション部品の製造方法。5. A method of manufacturing an aluminum suspension component having two holes of different directions, which has a cross-sectional shape approximate to a final product shape,
After forming an aluminum extruded profile having two holes extending in the extrusion direction, this aluminum extruded profile is cut into a specified length, and then the vicinity of one hole is heated and then bent to give the final product shape. A method for manufacturing an aluminum suspension component, which comprises molding, and further subjecting to solution treatment and aging treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04252193A JP3205782B2 (en) | 1993-03-03 | 1993-03-03 | Manufacturing method of aluminum suspension parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04252193A JP3205782B2 (en) | 1993-03-03 | 1993-03-03 | Manufacturing method of aluminum suspension parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06255332A true JPH06255332A (en) | 1994-09-13 |
| JP3205782B2 JP3205782B2 (en) | 2001-09-04 |
Family
ID=12638391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04252193A Expired - Lifetime JP3205782B2 (en) | 1993-03-03 | 1993-03-03 | Manufacturing method of aluminum suspension parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3205782B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829768A (en) * | 1995-04-28 | 1998-11-03 | Toyota Jidosha Kabushiki Kaisha | Arm and process for forging the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015137037A (en) * | 2014-01-23 | 2015-07-30 | スズキ株式会社 | Vehicle lower arm and its manufacturing method |
-
1993
- 1993-03-03 JP JP04252193A patent/JP3205782B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829768A (en) * | 1995-04-28 | 1998-11-03 | Toyota Jidosha Kabushiki Kaisha | Arm and process for forging the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3205782B2 (en) | 2001-09-04 |
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