JPH0839183A - Production of automobile upper arm - Google Patents

Production of automobile upper arm

Info

Publication number
JPH0839183A
JPH0839183A JP18147294A JP18147294A JPH0839183A JP H0839183 A JPH0839183 A JP H0839183A JP 18147294 A JP18147294 A JP 18147294A JP 18147294 A JP18147294 A JP 18147294A JP H0839183 A JPH0839183 A JP H0839183A
Authority
JP
Japan
Prior art keywords
forming
upper arm
bending
manufacturing
finish
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
JP18147294A
Other languages
Japanese (ja)
Inventor
Kozo Kaneko
浩三 金子
克哉 ▲吉▼田
Katsuya Yoshida
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP18147294A priority Critical patent/JPH0839183A/en
Publication of JPH0839183A publication Critical patent/JPH0839183A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To provide a producing method of an upper arm which has the excellent yield, whose cost and requiring space are small and in which the movement of members is small. CONSTITUTION:A rod like member with a prescribed length is rolled into a required length and size, next it is compressed, next it is subjected to bending rough forming, next it is finished with closed die forging and next it is drilled. Especially, compressing and bending rough forming are executed continuously without moving the member and further the finishing process and the drilling process are executed continuously without moving the member.

Description

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

【0001】[0001]

【産業上の利用分野】本発明は自動車用アッパーアーム
の製造方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing an upper arm for an automobile.

【0002】[0002]

【従来の技術】従来、自動車の車体にタイヤを取り付け
るために用いられるアッパーアームは、図6に示される
様に、所定長さの棒状部材を所要の長さ、太さにロール
加工するロール加工工程〔図6の(a)〜(b)参照〕
と、前記ロール加工された部材を曲げ加工する曲げ加工
工程〔図6の(b)〜(c)参照〕と、前記曲げ加工さ
れた部材を開放鍛造によって荒地成形する荒地成形工程
〔図6の(c)〜(d)参照〕と、前記荒地成形された
部材を開放鍛造によって仕上げ成形する仕上げ成形工程
〔図6の(d)〜(e)参照〕と、バリを除去するバリ
除去工程〔図6の(e)〜(f)参照〕と、前記仕上げ
成形された部材にブッシュ穴を加工する穴開け加工工程
〔図6の(f)〜(g)参照〕とによって製造される。
2. Description of the Related Art Conventionally, as shown in FIG. 6, an upper arm used for mounting a tire on the body of an automobile is a roll processing for rolling a rod-shaped member having a predetermined length into a required length and thickness. Steps (see (a) and (b) of FIG. 6)
And a bending step of bending the rolled member [see (b) to (c) of FIG. 6], and a rough forming step of forming the bent member by open forging into rough land [see FIG. 6]. (See (c) to (d)], a finish forming step for finish forming the rough-formed member by open forging [see (d) to (e) in FIG. 6], and a burr removing step for removing burrs [see FIG. 6 (e) to (f)] and a boring process (see (f) to (g) in FIG. 6) for forming a bush hole in the finish-formed member.

【0003】[0003]

【発明が解決しようとする課題】したがって、バリが発
生し歩留りが悪いという問題と、ロール加工工程の後、
曲げ加工する装置と、荒地成形する開放鍛造する装置
と、仕上げ成形する開放鍛造装置と、バリを除去する装
置と、穴開け加工する装置とが必要で、各工程毎に設備
を要しコストおよび所要スペースが大きく、また各工程
毎に部材を取り外し、移動し、再セットする部材の移設
の工数が多いという問題がある。
Therefore, the problem that burrs are generated and the yield is low, and after the roll processing step,
An apparatus for bending, an apparatus for open forging for forming a rough land, an apparatus for open forging for finish forming, an apparatus for removing burrs, and an apparatus for drilling are required, and equipment is required for each process, and cost and There is a problem that the required space is large, and the number of man-hours required to move the members to be removed, moved, and reset for each process is large.

【0004】本発明は、上記問題に鑑み、歩留りが良
く、コストおよび所要スペースが小さく、部材の移設が
少ない、アッパーアームの製造方法を提供することを目
的とする。
In view of the above problems, it is an object of the present invention to provide a method for manufacturing an upper arm which has a good yield, a small cost and a small space, and a small amount of member transfer.

【0005】[0005]

【課題を解決するための手段】本発明の請求項1によれ
ば、自動車用アッパーアームの製造方法であって、所定
長さの棒状部材を所要の長さ、太さにロール加工するロ
ール加工工程と、前記ロール加工された部材を圧縮加工
する圧縮加工工程と、前記圧縮加工された部材を曲げな
がら荒地成形する曲げ荒地成形工程と、前記曲げ荒地成
形された部材を密閉鍛造して仕上げ成形する仕上げ成形
工程と、前記仕上げ成形された部材に穴開け加工する穴
開け加工工程から成ることを特徴とする自動車用アッパ
ーアームの製造方法が提供される。請求項2によれば、
さらに、前記圧縮加工工程と、前記曲げ荒地成形工程と
を部材の移設をせずに連続しておこなうことを特徴とす
る前記請求項1に記載の自動車用アッパーアームの製造
方法が提供される。請求項3によれば、前記仕上げ成形
工程と、前記穴開け加工工程とを部材の移設をせずに連
続しておこなうことを特徴とする前記請求項1に記載の
自動車用アッパーアームの製造方法が提供される。
According to a first aspect of the present invention, there is provided a method of manufacturing an upper arm for an automobile, which comprises rolling a rod-shaped member having a predetermined length into a required length and thickness. A step, a compression processing step of compressing the rolled member, a bending waste forming step of forming a rough land while bending the compression processed member, and a closed forging of the bent waste formed member to finish forming A method of manufacturing an upper arm for an automobile is provided, which comprises a finish forming step of: and a hole forming step of forming a hole in the finish formed member. According to claim 2,
Further, the method for manufacturing an upper arm for an automobile according to claim 1, wherein the compression working step and the bending waste land forming step are continuously performed without transferring the members. According to a third aspect of the present invention, the method of manufacturing an upper arm for an automobile according to the first aspect, wherein the finish forming step and the perforating step are continuously performed without transferring the members. Will be provided.

【0006】[0006]

【作用】本発明の請求項1では、所定長さの棒状部材が
所要の長さ、太さにロール加工され、次に圧縮加工さ
れ、次に曲げながら荒地成形され、次に密閉鍛造によっ
て仕上げ成形され、次に穴開け加工される。請求項2で
は、前記請求項1の加工の内、圧縮加工と曲げ荒地成形
工程が部材の移設をせずに連続的におこなわれる。請求
項3では、前記請求項1の加工の内、仕上げ成形加工と
穴開け加工が部材の移設をせずに連続的におこなわれ
る。
According to the first aspect of the present invention, the rod-shaped member having a predetermined length is roll-processed to have a required length and thickness, then compression-processed, then bent and rough-formed, and then finished by closed forging. It is molded and then punched. According to a second aspect, in the processing according to the first aspect, the compression processing and the bending waste forming step are continuously performed without transferring the member. According to a third aspect of the present invention, among the processing according to the first aspect, the finish forming process and the perforating process are continuously performed without transferring the members.

【0007】[0007]

【実施例】以下、添付の図面を参照して本発明の詳細を
説明する。図1は、本発明の製造方法による自動車のア
ッパーアームの製造の全体の過程を示す図である。図1
の(a)は、加工開始前の棒状部材を示し、所定長さに
切断されておりロール加工を熱間でおこなう場合には加
熱されている。図1の(b)は、ロール加工された後の
部材の状態を示し、後段の加工および最終製品の形状を
考慮して両端部および中央部が太くされている。図1の
(c)は、前記図1の(b)の状態から矢印で示される
様に圧縮加工された後の部材の状態を示しており、製品
時の強度、次の曲げ荒地成形のやりやすさ等から圧縮力
を受ける方向に薄い断面形状を有しており、例えば、A
−A面にそってみた断面は図1の(c’)に示される様
な形状である。図1の(d)は、前記図1の(c)の状
態から曲げ荒地成形された後の部材の状態を示している
が、この曲げ荒地成形は高精度におこなわれ、この段階
でほぼ製品の最終形状にされる。図1の(e)は、図1
の(d)の状態から仕上げ成形された後の部材の状態を
示しているが、この仕上げ成形によって、補剛リブの追
加等最終仕上げがおこなわれるが、前記図1の(d)の
状態でほぼ製品の最終形状にされているものを密閉鍛造
によって加工するのでバリは発生しない。図1の(f)
は、図1の(e)の状態から穴開け加工された後の最終
的な製品の状態を示しており本実施例の場合、穴開け加
工はパンチによる打ち抜きでおこなわれる。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a diagram showing an entire process of manufacturing an upper arm of an automobile by a manufacturing method of the present invention. FIG.
(A) shows a rod-shaped member before the start of processing, which is cut into a predetermined length and is heated when the roll processing is performed hot. FIG. 1B shows a state of the member after being roll-processed, and both ends and the central part are thickened in consideration of the latter-stage processing and the shape of the final product. FIG. 1 (c) shows the state of the member after being compressed as shown by the arrow from the state of FIG. 1 (b). It has a thin cross-sectional shape in the direction of receiving compressive force for ease of use.
The cross section taken along the -A plane has a shape as shown in FIG. FIG. 1 (d) shows the state of the member after bending waste forming from the state of FIG. 1 (c), but this bending waste forming is performed with high accuracy, and at this stage almost all products are manufactured. To be the final shape. (E) of FIG.
The state of the member after the finish forming from the state of (d) is shown. The final forming such as addition of stiffening ribs is performed by this finish forming, but in the state of (d) of FIG. Burrs do not occur because the final shape of the product is processed by closed forging. FIG. 1 (f)
Shows the state of the final product after punching from the state of FIG. 1 (e). In the case of this embodiment, punching is performed by punching.

【0008】図2、3、4は、本実施例において、圧縮
加工と曲げ荒地成形を、1つのベンダー装置上で部材の
移設なく連続的におこなう様子を概略的に示している。
各図の(a)は上面から見た図で、(b)は側面から見
た図である。各図において、1、2は台座、3、4は圧
縮加工用ダイスであり、5、6は曲げ荒地成形用ダイス
である。
FIGS. 2, 3 and 4 schematically show a state in which compression processing and bending waste forming are continuously performed on one bender device without transferring the members in this embodiment.
In each figure, (a) is a top view and (b) is a side view. In each figure, 1 and 2 are pedestals, 3 and 4 are compression processing dies, and 5 and 6 are bending waste forming dies.

【0009】ロール加工された部材100aは、先ず、
図2の(a)、(b)に示される様に、台座1、2の隙
間の上部に載置される。その後、部材100aは台座
1、2の隙間に設けられているリフタ(図示しない)に
よって、圧縮加工用ダイス3、4の高さ方向の中間位置
まで上昇せしめられる。次に、圧縮加工用ダイス3、4
が、図示しない手段によって、図3の(a)、(b)に
示される様に、それぞれ矢印の方向に移動して部材10
0aを圧縮し、部材100aは100bで示される様な
形状に成形される。次に、前記圧縮加工をおこなった圧
縮加工用ダイス3、4は、それぞれ図2の(a)、
(b)に示された状態に戻り、部材100bは前記図示
されないリフトによって曲げ荒地成形用ダイス5、6の
高さ方向の中間位置まで上昇せしめられる。次に、曲げ
荒地成形用ダイス6が、図示しない手段によって、図4
の(a)、(b)に示される様に矢印の方向に移動して
部材100bを圧縮し、部材100bは100cで示さ
れる様な形状に成形される。
First, the rolled member 100a is
As shown in (a) and (b) of FIG. 2, it is placed on the upper part of the gap between the pedestals 1 and 2. Thereafter, the member 100a is lifted up to an intermediate position in the height direction of the compression dies 3 and 4 by a lifter (not shown) provided in the gap between the pedestals 1 and 2. Next, compression processing dies 3 and 4
However, as shown in FIGS. 3 (a) and 3 (b), the members 10 are moved in the directions of the arrows by means not shown.
0a is compressed and the member 100a is molded into a shape as shown by 100b. Next, the compression processing dies 3 and 4 that have been subjected to the compression processing are respectively shown in FIG.
Returning to the state shown in (b), the member 100b is lifted to the intermediate position in the height direction of the bending waste forming dies 5, 6 by the lift (not shown). Next, the bending waste land forming die 6 is moved to the state shown in FIG.
As shown in (a) and (b), the member 100b is moved by moving in the direction of the arrow, and the member 100b is molded into a shape as shown by 100c.

【0010】図5の(a)から(i)は、本実施例にお
いて、仕上げ加工と穴開け加工を、1つの多軸成形プレ
ス装置上で部材の移設なく連続的におこなう様子を概略
的に示している。各図において、7は上型、8は下型、
9は横ダイスである。さて、前記のベンダー装置上で1
00cで示される形状に成形された部材は、図5の
(a)の下段に示される様に上型7と下型8の間に搬入
され、次いで図示されない手段によって、下降せしめら
れ図5の(b)に示される様に下型8の上に載置され
る。次に、上型7が下降し、図5の(c)の下段に示さ
れる様な形状に部材を圧縮し、部材は100dで示され
る様な最終製品形状に成形される。
FIGS. 5 (a) to 5 (i) schematically show, in the present embodiment, a state in which finishing and boring are continuously carried out on one multi-axis molding press machine without transferring the members. Shows. In each figure, 7 is an upper mold, 8 is a lower mold,
9 is a horizontal die. Now, on the vendor device above, 1
The member molded into the shape indicated by 00c is carried in between the upper mold 7 and the lower mold 8 as shown in the lower part of FIG. 5 (a), and then lowered by means not shown in FIG. It is placed on the lower mold 8 as shown in (b). Next, the upper mold 7 descends, and the member is compressed into a shape as shown in the lower stage of FIG. 5C, and the member is molded into a final product shape as shown by 100d.

【0011】一方、図5の(c)の上段に示されるの
は、同じ多軸成形プレス装置上に配設されている穴開け
加工部の様子を、図5の(c)の下段の矢印の方向から
見た図であって、10で示されるのが穴開け用のパンチ
で、11は第1パンチガイド、12は第2パンチガイド
であって、第1パンチガイド11、第2パンチガイド1
2は部材100dを図面の表と裏から挟持している。な
お、この時点では、部材100dとパンチ10の高さ位
置が異なっているのでパンチ10は作動をせずに第1パ
ンチガイド11内で静止している。
On the other hand, what is shown in the upper part of FIG. 5 (c) is the state of the punching portion arranged on the same multi-axis forming press device, and the arrow in the lower part of FIG. 5 (c). FIG. 10 is a view seen from the direction of FIG. 1, 10 is a punch for punching, 11 is a first punch guide, 12 is a second punch guide, and the first punch guide 11 and the second punch guide are shown. 1
2 holds the member 100d from the front and back of the drawing. At this point in time, since the height positions of the member 100d and the punch 10 are different from each other, the punch 10 does not operate and stands still in the first punch guide 11.

【0012】次に、図5の(d)で上型7は上昇し、続
いて図5の(e)で下型8が100dで示される様な最
終製品形状に成形された部材を載置したまま上昇し、部
材がパンチ10の高さ位置に来たところで停止する。パ
ンチ10と部材100dの相対位置は図5の(d)の上
段に示される通りである。
Next, in FIG. 5 (d), the upper mold 7 is raised, and subsequently, in FIG. 5 (e), the lower mold 8 is placed with a member formed into a final product shape as shown by 100d. As it goes up, it rises and stops when the member reaches the height position of the punch 10. The relative positions of the punch 10 and the member 100d are as shown in the upper part of FIG.

【0013】次に、図5の(f)の上段に示される様
に、パンチ10が図示しない手段によって突き出され、
部材100dは所定位置にブッシュ穴があけられ最終製
品100eとなる。そして、パンチ10が打ち抜いた芯
バリ100e’は第2パンチガイド12の排出穴13内
に排出される。つづいてパンチ10は図5の(g)に示
される様にさらに突き出され、打ち抜かれた芯バリ10
0e’を第2パンチガイド12の外に排出し、その後、
図5の(h)に示される初期位置まで戻る。最後に、下
型8が上昇し、ブッシュ穴があけられ最終製品100e
を第1パンチガイド11と第2パンチガイド12の間か
ら排出する。
Next, as shown in the upper part of FIG. 5 (f), the punch 10 is ejected by means not shown,
The member 100d has a bush hole at a predetermined position, and becomes a final product 100e. Then, the core burr 100 e ′ punched by the punch 10 is discharged into the discharge hole 13 of the second punch guide 12. Subsequently, the punch 10 is further protruded and punched out as shown in FIG.
0e ′ is discharged to the outside of the second punch guide 12, and then
It returns to the initial position shown in FIG. Finally, the lower die 8 rises, a bush hole is opened, and the final product 100e
Is discharged from between the first punch guide 11 and the second punch guide 12.

【0014】上述の様に、本実施例においては、曲げ荒
れ地成形で、ほぼ製品の最終形状にされているものを密
閉鍛造によって加工するのでバリが発生しないので歩留
りが向上し、また圧縮加工と曲げ荒地成形が1つのベン
ダー装置上で部材の移設なく連続的におこなわれ、ま
た、仕上げ成形と穴開け加工も1つの多軸成形プレス装
置上で部材の移設なく連続的におこなわれるので、ロー
ル成形後は、2つの装置しか必要なく、装置の数が減っ
たことによってコストが低減され、また装置のセッチス
ペースも縮小され、部品を取り出し、移動し、再セット
する手間も減少するので、工数も低減される。
As described above, in the present embodiment, in bending waste forming, since the final shape of the product is processed by closed forging, burrs do not occur and the yield is improved. Bending waste forming is performed continuously on one bender machine without moving parts, and finish forming and drilling are also performed continuously on one multi-axis forming press machine without moving parts, so rolls After molding, only two devices are required, the number of devices is reduced, the cost is reduced, the settling space of the device is also reduced, and the work of removing, moving and resetting the parts is also reduced. Is also reduced.

【0015】[0015]

【発明の効果】本発明によれば、バリが発生しないの
で、歩留りが良くなる、さらに、請求項2の様にすれ
ば、圧縮加工と曲げながら荒地成形する加工が部材の移
設を要することなく連続的におこなわれるのでコスト、
スペース、工数が低減できる。請求項3の様にすれば、
仕上げ成形と穴開け加工が部材の移設を要することなく
連続的におこなわれるのでコスト、スペース、工数が低
減できる。
According to the present invention, since burr does not occur, the yield is improved. Further, according to the present invention, the compression work and the work for forming a rough land while bending do not require the transfer of members. Because it is done continuously, cost,
Space and man-hours can be reduced. According to claim 3,
Since the finish forming and the drilling are continuously performed without the need to move the members, the cost, space and man-hours can be reduced.

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

【図1】本発明による自動車のアッパーアームの製造方
法を示す図であって、(a)は、加工開始前の所定長さ
の棒状部材を示し、(b)は、ロール加工された後の部
材の状態を示し、(c)は、圧縮加工された後の部材の
状態を示し、(d)は、曲げ荒地成形された後の部材の
状態を示し、(e)は、仕上げ成形された後の部材の状
態を示し、(f)は、穴開け加工された後の部材の状態
を示している。
FIG. 1 is a diagram showing a method for manufacturing an upper arm of an automobile according to the present invention, where (a) shows a rod-shaped member having a predetermined length before the start of processing, and (b) shows a bar-shaped member after being rolled The state of a member is shown, (c) shows the state of the member after compression processing, (d) shows the state of the member after bending waste forming, (e) shows the finish forming. The state of the member after is shown, (f) has shown the state of the member after being perforated.

【図2】本発明による自動車のアッパーアームの製造方
法において、ロール加工された部材をベンダー装置によ
って圧縮加工するために装置に初期セットした状態を示
す図である。
FIG. 2 is a diagram showing a state in which a rolled member is initially set in a device for compression processing by a bender device in the method for manufacturing an upper arm of an automobile according to the present invention.

【図3】本発明による自動車のアッパーアームの製造方
法において、部材がベンダー装置によって圧縮加工され
た状態を示す図である。
FIG. 3 is a diagram showing a state in which a member is compression-processed by a bender device in the method for manufacturing an upper arm of an automobile according to the present invention.

【図4】本発明による自動車のアッパーアームの製造方
法において、部材がベンダー装置によって曲げ荒地成形
された状態を示す図である。
FIG. 4 is a view showing a state in which a member is bent and rough formed by a bender device in the method for manufacturing an upper arm of an automobile according to the present invention.

【図5】本発明による自動車のアッパーアームの製造方
法において、多軸成形プレス装置による部材の仕上げ成
形工程と、穴開け加工工程を示す図である。
FIG. 5 is a diagram showing a finish forming step of a member using a multi-axis forming press device and a hole forming step in the method for manufacturing an upper arm of an automobile according to the present invention.

【図6】従来技術による自動車のアッパーアームの製造
方法を示す図である。
FIG. 6 is a diagram showing a method of manufacturing an upper arm of a vehicle according to a conventional technique.

【符号の説明】[Explanation of symbols]

1…台座(ベンダー装置) 2…台座(ベンダー装置) 3…圧縮用ダイス(ベンダー装置) 4…圧縮用ダイス(ベンダー装置) 5…曲げ荒地成形用ダイス(ベンダー装置) 6…曲げ荒地成形用ダイス(ベンダー装置) 7…上型(多軸成形プレス装置) 8…下型(多軸成形プレス装置) 9…横ダイス(多軸成形プレス装置) 10…穴開け用パンチ(多軸成形プレス装置) 11…第1パンチガイド(多軸成形プレス装置) 12…第1パンチガイド(多軸成形プレス装置) 1 ... Pedestal (bender device) 2 ... Pedestal (bender device) 3 ... Compression die (bender device) 4 ... Compression die (bender device) 5 ... Bending waste land forming die (bender device) 6 ... Bending waste land forming die (Bender device) 7 ... Upper mold (multiaxial molding press device) 8 ... Lower mold (multiaxial molding press device) 9 ... Horizontal die (multiaxial molding press device) 10 ... Punch for punching (multiaxial molding press device) 11 ... 1st punch guide (multiaxial molding press machine) 12 ... 1st punch guide (multiaxial molding press machine)

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 自動車用アッパーアームの製造方法であ
って、 所定長さの棒状部材を所要の長さ、太さにロール加工す
るロール加工工程と、 前記ロール加工された部材を圧縮加工する圧縮加工工程
と、 前記圧縮加工された部材を曲げながら荒地成形する曲げ
荒地成形工程と、 前記曲げ荒地成形された部材を密閉鍛造して仕上げ成形
する仕上げ成形工程と、 前記仕上げ成形された部材に穴開け加工する穴開け加工
工程から成ることを特徴とする自動車用アッパーアーム
の製造方法。
1. A method for manufacturing an upper arm for an automobile, comprising: a roll processing step of rolling a rod-shaped member having a predetermined length into a required length and a thickness; and a compression step of compressing the rolled member. A processing step, a bending waste forming step of forming a rough land while bending the compression-processed member, a finish forming step of performing a closed forging of the bending waste formed member and finish forming, and a hole in the finish formed member A method of manufacturing an upper arm for an automobile, which comprises a boring process for boring.
【請求項2】 前記圧縮加工と、前記曲げ荒地成形工程
とを部材の移設をせずに連続しておこなうことを特徴と
する前記請求項1に記載の自動車用アッパーアームの製
造方法。
2. The method for manufacturing an upper arm for an automobile according to claim 1, wherein the compression processing and the bending waste land forming step are continuously performed without transferring the members.
【請求項3】 前記仕上げ成形工程と、前記穴開け加工
工程とを部材の移設をせずに連続しておこなうことを特
徴とする前記請求項1に記載の自動車用アッパーアーム
の製造方法。
3. The method for manufacturing an upper arm for an automobile according to claim 1, wherein the finish forming step and the punching step are continuously performed without transferring the members.
JP18147294A 1994-08-02 1994-08-02 Production of automobile upper arm Pending JPH0839183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18147294A JPH0839183A (en) 1994-08-02 1994-08-02 Production of automobile upper arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18147294A JPH0839183A (en) 1994-08-02 1994-08-02 Production of automobile upper arm

Publications (1)

Publication Number Publication Date
JPH0839183A true JPH0839183A (en) 1996-02-13

Family

ID=16101360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18147294A Pending JPH0839183A (en) 1994-08-02 1994-08-02 Production of automobile upper arm

Country Status (1)

Country Link
JP (1) JPH0839183A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1319666C (en) * 2004-07-09 2007-06-06 日产自动车株式会社 Method of producing forged part and method of producing suspension arm for automotive vehicles
CN104289647A (en) * 2014-08-13 2015-01-21 北京机电研究所 Multi-directional extrusion preforming method for complex aluminum alloy control arm forge piece
CN110118256A (en) * 2018-02-06 2019-08-13 阿文美驰技术有限责任公司 Shift fork and the method for manufacture
CN110625329A (en) * 2018-06-25 2019-12-31 本特勒尔汽车技术有限公司 Method for producing a motor vehicle link and motor vehicle link
CN111558651A (en) * 2020-05-13 2020-08-21 上海长特锻造有限公司 Three-arm workpiece production process and workpiece produced by using same
CN112719177A (en) * 2020-12-18 2021-04-30 陕西宏远航空锻造有限责任公司 Forging process method of asymmetric TA19 alloy casing forging
CN113305262A (en) * 2021-06-30 2021-08-27 重庆凯斯瑞机电设备有限公司 High-strength one-bridge swing arm forging process
CN113319241A (en) * 2021-04-27 2021-08-31 北京机电研究所有限公司 Method for multidirectional forging and blank making of complex aluminum alloy control arm forge piece

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1319666C (en) * 2004-07-09 2007-06-06 日产自动车株式会社 Method of producing forged part and method of producing suspension arm for automotive vehicles
US7251979B2 (en) 2004-07-09 2007-08-07 Nissan Motor Co., Ltd. Method of producing forged part and method of producing suspension arm for automotive vehicles
CN104289647A (en) * 2014-08-13 2015-01-21 北京机电研究所 Multi-directional extrusion preforming method for complex aluminum alloy control arm forge piece
CN110118256A (en) * 2018-02-06 2019-08-13 阿文美驰技术有限责任公司 Shift fork and the method for manufacture
US10738887B2 (en) 2018-02-06 2020-08-11 Arvinmeritor Technology, Llc Shift fork and method of manufacture
CN110625329A (en) * 2018-06-25 2019-12-31 本特勒尔汽车技术有限公司 Method for producing a motor vehicle link and motor vehicle link
CN110625329B (en) * 2018-06-25 2022-03-29 本特勒尔汽车技术有限公司 Method for producing a motor vehicle link and motor vehicle link
CN111558651A (en) * 2020-05-13 2020-08-21 上海长特锻造有限公司 Three-arm workpiece production process and workpiece produced by using same
CN112719177A (en) * 2020-12-18 2021-04-30 陕西宏远航空锻造有限责任公司 Forging process method of asymmetric TA19 alloy casing forging
CN112719177B (en) * 2020-12-18 2022-08-05 陕西宏远航空锻造有限责任公司 Forging process method of asymmetric TA19 alloy casing forging
CN113319241A (en) * 2021-04-27 2021-08-31 北京机电研究所有限公司 Method for multidirectional forging and blank making of complex aluminum alloy control arm forge piece
CN113305262A (en) * 2021-06-30 2021-08-27 重庆凯斯瑞机电设备有限公司 High-strength one-bridge swing arm forging process

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