JPH0459146A - Die unit for forging connecting rod - Google Patents
Die unit for forging connecting rodInfo
- Publication number
- JPH0459146A JPH0459146A JP16865890A JP16865890A JPH0459146A JP H0459146 A JPH0459146 A JP H0459146A JP 16865890 A JP16865890 A JP 16865890A JP 16865890 A JP16865890 A JP 16865890A JP H0459146 A JPH0459146 A JP H0459146A
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- connecting rod
- mold chamber
- mold
- width direction
- 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
- 238000005242 forging Methods 0.000 title claims description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 18
- 235000013372 meat Nutrition 0.000 claims description 12
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 206010011224 Cough Diseases 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
- B21K1/766—Connecting rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Forging (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、各種内燃機関着しくは電動ドライフ機構等に
採用されるコネクティングロッドの鍛造成形用金型に関
する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a mold for forging connecting rods employed in various internal combustion engines, electric drive mechanisms, and the like.
（従来の技術）
上記コネクティングロッドを、例えば熱間鍛造によって
製作する場合、いわゆる型鍛造によるのが一般的である
。(Prior Art) When manufacturing the above-mentioned connecting rod by, for example, hot forging, so-called die forging is generally used.
即ち、あらかしめ所定長さに切断されたビレット （金
属成形材料）を、ドロー（延ばし）工程及びロール（丸
め）工程等を経た後、当該コネクティングロッドの所定
形状の型室が形成された上下金型間にセットし、該上下
金型の接近離反によって前記ビレットを型室の形状通り
に成形し、第７図に示すように所望形状のコネクティン
グロッド１を鍛造しようとするものである。In other words, a billet (metal forming material) that has been roughly cut into a predetermined length is subjected to a drawing (extending) process, a rolling (rolling) process, etc., and then the upper and lower molds are formed into mold chambers of the predetermined shape of the connecting rod. The billet is set between molds, and the billet is formed into the shape of the mold chamber by approaching and separating the upper and lower molds, thereby forging a connecting rod 1 having a desired shape as shown in FIG.
ところで、前記型鍛造には、密閉鍛造、開放鍛造及び半
密閉鍛造があるが、コネクティングロッド１を鍛造する
場合は、いわゆる張り２を発生させるため、後２者によ
るのが通常である。By the way, the die forging includes closed forging, open forging, and semi-closed forging, but when forging the connecting rod 1, the latter two are usually used in order to generate so-called tension 2.
第８図は、開放鍛造の場合の金型の断面形状を示す。こ
の場合の特徴は、同図に示す如く、上下金型３，４がス
トローク調整によって互いに接触しないところにあり、
それらの間にできた間隙ｅに型室５からの余肉が自由に
オーバーフローするようになっている。FIG. 8 shows the cross-sectional shape of the die for open forging. The feature of this case is that, as shown in the figure, the upper and lower molds 3 and 4 do not come into contact with each other due to stroke adjustment.
The excess material from the mold chamber 5 freely overflows into the gap e formed between them.
第９図は、半密閉鍛造の場合の金型の断面形状を示す。FIG. 9 shows a cross-sectional shape of a die for semi-closed forging.
この場合は、型室５の周囲にガソタ６と呼ばれる余肉の
収容室が、張り２の厚みを制御するためのフラッシュラ
ンド７を介して形成されているのが特徴であり、前記開
放型の場合と同様に、型室５からの余肉がガンタロに自
由に入り込むようになっている。In this case, the feature is that a chamber for storing excess material called a gasota 6 is formed around the mold chamber 5 via a flash land 7 for controlling the thickness of the tension 2. As in the case, the excess meat from the mold chamber 5 is allowed to freely enter the guntaro.
（発明が解決しようとする課題）
しかしながら、前記したいずれの鍛造方法においても、
型室５からの余肉は側方に自由にオーバーフローするこ
ととしているので、成形後には、例えば第７図に示す如
く、特にコネクティングロッド１の連接部１ｃ周りの張
り２が異常に多くなり、材料歩留まりが非常に悪いもの
となっていた。これは、当該連結部１ｃの複雑な断面形
状、即ち、Ｉ型形状に伴うものと考えられる。(Problem to be solved by the invention) However, in any of the forging methods described above,
Since the excess metal from the mold chamber 5 is allowed to freely overflow laterally, after molding, as shown in FIG. 7, for example, the tension 2 around the connecting rod 1 becomes abnormally large. The material yield was extremely poor. This is considered to be due to the complicated cross-sectional shape of the connecting portion 1c, that is, the I-shaped shape.
また、コネクティングロッド１の機能からすれば、メタ
ルフローがその連接部１ｃにおいて長手方向に沿うこと
が望ましいが、先述のように連接部１０周りにおける張
り２があまり多い場合には、上下金型３，４の割面近傍
でメタルフローが連接部１ｃの幅方向に沿うようになり
、コネクティングロッド１の強度上望ましくない。Furthermore, considering the function of the connecting rod 1, it is desirable that the metal flow be along the longitudinal direction at the connecting portion 1c, but if there is too much tension 2 around the connecting portion 10 as described above, , 4, the metal flow runs along the width direction of the connecting portion 1c, which is undesirable from the viewpoint of the strength of the connecting rod 1.
本発明は、このような実情に鑑みて成されたものであり
、連接部周りの張りを極力少なくして材料歩留りの向上
を図ると共に、コネクティングロッドの強度向上をも実
現することができるコネクティングロッドの鍛造成形用
金型を提供することを目的とする。The present invention has been made in view of the above circumstances, and provides a connecting rod that can minimize the tension around the connecting portions to improve the material yield and also improve the strength of the connecting rod. The purpose is to provide a forging mold.
（課題を解決するための手段）
上記目的を達成すべく、本発明が採用した技術的手段は
、上下金型３，４の接近離反によって大端部１ａと小端
部１ｂとこれら両端部１ａ、ｌｂを連接する連接部１ｃ
とからなるコネクティングロッドｌを所定形状に型鍛造
すべく、前記上下金型３．４の両対向面に、大端部用型
室５ａ、小端部用型室５ｂ及び連接部用型室５ｃをそれ
ぞれ連通状に凹設したコネクティングロッド１の鍛造成
形用金型装置において、前記上下金型３，４の両対向面
若しくはいずれか一方の対向面に、前記連接部用型室５
ｃの平面視左右両側でかつその外形形状に沿って、咳型
室５ｃからの余肉が充満される長溝状の余肉収容室１０
．１０が絞り部９を介して形成され、その収容室１０．
１０の更に幅方向外方には、上下金型３，４のキッシン
グ面１３を構成して前記余肉のオーバーフローを阻止す
る突条ダム部１２．１２が、当該収容室１０に沿って隣
接して形成され、
前記大端部用型室５ａ及び小端部用型室５ｂの外周部に
は、前記ダム部工２は設けられていない点にある。(Means for Solving the Problem) In order to achieve the above object, the technical means adopted by the present invention is that the upper and lower molds 3 and 4 approach and separate, thereby forming a large end 1a, a small end 1b, and both ends 1a. , lb connecting part 1c
In order to die-forge a connecting rod l into a predetermined shape, a large end mold chamber 5a, a small end mold chamber 5b, and a connecting portion mold chamber 5c are provided on both opposing surfaces of the upper and lower molds 3.4. In a forging mold device for a connecting rod 1 which is recessed in a communicating manner, the connecting portion mold chamber 5 is provided on both opposing surfaces of the upper and lower molds 3 and 4, or on either one of the opposing surfaces.
A long groove-shaped excess meat storage chamber 10 is filled with excess meat from the cough-shaped chamber 5c on both left and right sides of c and along the outer shape of the cough-shaped chamber 5c.
．． 10 is formed through the constriction part 9, and the storage chamber 10.
Further outward in the width direction of 10, a protruding dam part 12.12 that constitutes the kissing surface 13 of the upper and lower molds 3, 4 and prevents the overflow of the excess metal is adjacent along the accommodation chamber 10. The dam part 2 is not provided on the outer periphery of the large end mold chamber 5a and the small end mold chamber 5b.
（作 用）
本発明に係る鍛造成形用金型においては、第１図及び第
２図に示す如く、コネクティングロッド１の連接部１ｃ
を成形するための連接部用型室５ｃの平面視左右両側に
、核型室５ｃの外形形状に沿うように、絞り部１１を介
して余肉収容室１０．１０を形成し、更に該収容室１０
の幅方向外方に、上下金型３゜４のキンシング面１３を
有する突条ダム部１２．１２を形成する。(Function) In the forging mold according to the present invention, as shown in FIGS. 1 and 2, the connecting portion 1c of the connecting rod 1
Extra-metal storage chambers 10.10 are formed via the constricted portions 11 on both left and right sides in plan view of the mold chamber 5c for the connecting portion for molding, along the outer shape of the core mold chamber 5c. room 10
A protrusion dam portion 12.12 having a kinsing surface 13 of the upper and lower molds 3°4 is formed outward in the width direction.
従って、従来連接部１ｃの幅方向に自由にオーバーフロ
ーされていた余肉は、前記ダム部１２によってその幅方
向のフローを規制され、収容室１０内に充満させられる
こととなり、連接部１０幅方向には張り２が発生しない
。Therefore, the excess meat, which conventionally overflowed freely in the width direction of the connecting portion 1c, is restricted from flowing in the width direction by the dam portion 12, and is filled in the storage chamber 10, so that the excess meat in the width direction of the connecting portion 1c is regulated. Tension 2 does not occur in .
また、連接部１０幅方向におけるフローを規制された余
肉は、前記ダム部１２が設けられていない大端部用型室
５ａ又は小端部用型室５ｂ側へ流れようとし、連接部１
ｃにおけるメタルフローが概ねその長手方向に沿うよう
になる。Further, the excess material whose flow in the width direction of the connecting portion 10 is regulated tends to flow toward the large end mold chamber 5a or the small end mold chamber 5b where the dam portion 12 is not provided, and
The metal flow at point c generally follows the longitudinal direction.
（実施例） 以下、図面に基づいて本発明の一実施例を説明する。(Example) Hereinafter, one embodiment of the present invention will be described based on the drawings.
尚、以下の説明においては、従来例と同一部材には同一
符号を附して整合性を図り、その特徴的構成について述
べることとする。In the following description, the same reference numerals are given to the same members as in the conventional example for consistency, and the characteristic configuration thereof will be described.
前記した上下金型３，４によって形成される型室５は、
該上下金型３，４の両対向面に半割状に凹設され、コネ
クティングロッド１の大端部１ａ、小端部１ｂ及びそれ
らを連接する連接部ＩＣをそれぞれ成形すべく、大端部
用型室５ａ、小端部用型室５ｂ及び連接部用型室５ｃと
が連通状に構成されて成る。The mold chamber 5 formed by the upper and lower molds 3 and 4 described above is
The upper and lower molds 3 and 4 are recessed in a half-shape on both opposing surfaces to form the large end 1a, the small end 1b of the connecting rod 1, and the connecting portion IC connecting them. The mold chamber 5a, the small end mold chamber 5b, and the joint mold chamber 5c are configured to communicate with each other.
本実施例では、第１図及び第２図に示す如く、前記連接
部用型室５ｃの平面視左右両側に、かつ、その型室５ｃ
の外形形状に沿うように、長溝状の余肉収容室１０．１
０が形成されており、型室５Ｃからその収容室１０に至
る部分は、上下金型３，４が互いに近づく方向に膨出状
に形成されて絞り部ＩＬＩＩが設けられている。In this embodiment, as shown in FIGS. 1 and 2, on both left and right sides of the connecting portion mold chamber 5c in plan view,
A long groove-shaped excess meat storage chamber 10.1 is formed so as to follow the external shape of the
0 is formed, and the portion from the mold chamber 5C to its storage chamber 10 is formed in a bulge shape in the direction in which the upper and lower molds 3 and 4 approach each other, and is provided with a converging portion ILII.
この余肉収容室１０は、前記したガ・ンタ６とは異なり
、いわゆる張り２を自由に発生させるためのものではな
く、第２図に示すように、その断面積が連接部用型室５
Ｃの断面積に比べて非常に小さく、しかも当該収容室１
０の更に側方に設けた突条ダム部１２によって、連接部
用型室５Ｃから側方にオーツ＼−フローした余肉が収容
室ＩＯに強制的に充満されるようになっている。This surplus material storage chamber 10 is different from the above-mentioned gun holder 6 and is not intended to freely generate so-called tension 2, but as shown in FIG.
It is very small compared to the cross-sectional area of C, and the storage chamber 1
By the protruding dam part 12 provided further to the side of the mold chamber IO, the storage chamber IO is forcibly filled with the excess meat that has flowed laterally from the mold chamber 5C for the connecting part.
即ち、前記突条ダム部１２は、平面視において前記余肉
収容室１０の外側のすく隣りにかつ謹呈１０に沿って形
成され、その端面は、それぞれ上下金型３．４が最接近
したときにそれらが接触するキ・ンシング面１３ （第
１図におけるハツチング部分）とされている。That is, the protruding dam portion 12 is formed adjacent to the outer side of the excess metal storage chamber 10 and along the extension 10 in plan view, and its end surfaces are formed when the upper and lower molds 3.4 are closest to each other. The contact surface 13 (the hatched part in FIG. 1) is where they come into contact.
また、本実施例では、前記大端部用型室５ａ及び小端部
用型室５ｂの外周部には、突条ダム部１２が設けられて
おらず、上下金型３．４における前記キツシング面１３
以外の部分では、最接近時においても間隙ｅが保たれて
接触していようになっており、第３図に示す如く、前記
大端部用型室５ａ及び小端部用型室５ｂの周囲では、開
放鍛造に供されるようになっている。Further, in this embodiment, the protruding dam part 12 is not provided on the outer periphery of the large end mold chamber 5a and the small end mold chamber 5b, and the kitting in the upper and lower molds 3.4 is not provided. Face 13
The other parts are in contact with each other with a gap e maintained even when they are closest to each other, and as shown in FIG. Now it is ready for open forging.
上記構成に係る上下金型３，４を用いてビレットを鍛造
した場合には、その鍛造後のコネクティングロッド１は
、第４図に示すように、従来その連接部１ｃの周囲に大
きく広がっていた張り２の代わりに、前記余肉収容室１
０によって形成される棒状部分１４が当該連接部１ｃの
左右両側に形成されることになる。When a billet is forged using the upper and lower molds 3 and 4 having the above configuration, the connecting rod 1 after forging conventionally widens around the connecting portion 1c, as shown in FIG. Instead of the tension 2, the excess meat storage chamber 1
Rod-shaped portions 14 formed by 0 are formed on both left and right sides of the connecting portion 1c.
即ち、本実施例によれば、前記突条ダム部１２がキッシ
ング面１３を構成していることから、余肉収容室１０．
１０の左右両側方へ張り２ （余肉）が広がることがな
いので、コネクティングロッド１全体としての張り２の
形成量が著しく低減され、材料歩留まりの大幅な向上、
ひいてはビレットの加熱エネルギーの削減が実現される
こととなる。That is, according to this embodiment, since the protruding dam portion 12 constitutes the kissing surface 13, the excess meat storage chamber 10.
Since the tension 2 (excess metal) does not spread to the left and right sides of the connecting rod 10, the amount of tension 2 formed in the connecting rod 1 as a whole is significantly reduced, and the material yield is significantly improved.
As a result, the billet heating energy can be reduced.
また、本実施例によれば連接部用型室５ｃから側方に広
がろうとする余肉は、突条ダム部１２によってそのフロ
ーが規制され、連接部ＩＣにおける輻方向のメタルフロ
ーが生しることがなく、既してその長手方向にメタルフ
ローがそろうこととなるので、コネクティングロッド１
の強度向上を図ることができる。In addition, according to this embodiment, the flow of excess metal that tries to spread laterally from the joint mold chamber 5c is restricted by the protruding dam part 12, and metal flow in the radial direction in the joint IC occurs. Since the metal flow is already aligned in the longitudinal direction, the connecting rod 1
It is possible to improve the strength of
更に、本実施例においては、連接部用型室５ｃからの余
肉は絞り部１１を介して一旦収容室ｌＯ内に充満させら
れるので、該余肉が突条ダム部１２に及ぼす側方外方向
の力は緩和され、該ダム部１２が変形する惧れも極めて
少ない。Furthermore, in this embodiment, since the excess metal from the connecting part mold chamber 5c is temporarily filled in the storage chamber IO through the constriction part 11, the excess metal exerts a lateral influence on the protrusion dam part 12. The force in this direction is relaxed, and there is very little risk that the dam portion 12 will deform.
尚、本発明は上記実施例に限られるものではない。Note that the present invention is not limited to the above embodiments.
例えば、第５図に示す如く、余肉収容室１０及び突条ダ
ム部１２は、上金型３例のみに形成することにしてもよ
い。また、下金型４側に設けてもよいのは勿論である。For example, as shown in FIG. 5, the excess meat storage chamber 10 and the protrusion dam portion 12 may be formed only in the three upper molds. Moreover, it goes without saying that it may be provided on the lower mold 4 side.
更に、第６図に示す如く、突条ダム部１２を各金型３，
４に対して出退自在に構成することにしてもよく、この
場合には、当該ダム部１２のストローク調整によりコネ
クティングロッド１の断面高さの微調整を行なうことが
できる。Furthermore, as shown in FIG.
In this case, the cross-sectional height of the connecting rod 1 can be finely adjusted by adjusting the stroke of the dam part 12.
（発明の効果）
本発明によれは、連接部用型室５Ｃの左右両側に設けた
突条ダム部１２によって連接部１０幅方向における余肉
のオーバーフローが規制されるので、コネクティングロ
ッド１の張り２の形成量が大幅に低減され、材料歩留り
の向上及び加熱エネルギーの削減を図ることができると
共に、当該連接部１ｃにおけるメタルフローが概ねその
長手方向に向くようになるので、コネクティングロッド
１自体の強度向上が実現される。(Effects of the Invention) According to the present invention, the overflow of excess material in the width direction of the connecting portion 10 is regulated by the protruding dam portions 12 provided on both the left and right sides of the connecting portion mold chamber 5C, so that the tension of the connecting rod 1 is reduced. 2 is significantly reduced, material yield can be improved and heating energy can be reduced, and the metal flow in the connecting portion 1c is generally oriented in the longitudinal direction of the connecting rod 1 itself. Strength improvement is achieved.
第１図乃至第４図は本発明の一実施例を示し、第１図は
金型の平面図、第２図は第１図■−■線断面図、第３図
は第１図■−■線断面図、第４図はコネクティングロッ
ドの斜視図、第５図及び第６図は、変形例を示し、いず
れも上下金型の縦断面図、第７図乃至第９図は従来例を
示し、第７図はコネクティングロッドの斜視図、第８図
及び第９図はそれぞれ開放鍛造及び半密閉鍛造の場合の
上下金型の縦断面図である。
１−コネクティングロッド、１ａ−大端部、１ｂ小端部
、１ｃ一連接部、２−張り、３−上金型、４下金型、５
−＝型室、５ａ−大端部用型室、５ｂ−小端部用型室、
５ｃ一連接部用型室、１旧余肉収容室、１１−絞り部、
１２−突条ダム部、１３− キッシング面。
特許出願人 株式会社 り ボ タ第４ 図
第２凹
第６Ｌ：。1 to 4 show one embodiment of the present invention, FIG. 1 is a plan view of a mold, FIG. 2 is a sectional view taken along the line ■-■ in FIG. 1, and FIG. 3 is a cross-sectional view along the line ■-- ■ Line sectional view, Figure 4 is a perspective view of the connecting rod, Figures 5 and 6 are modified examples, and both are vertical sectional views of the upper and lower molds, and Figures 7 to 9 are the conventional example. 7 is a perspective view of the connecting rod, and FIGS. 8 and 9 are longitudinal sectional views of the upper and lower molds for open forging and semi-closed forging, respectively. 1-Connecting rod, 1a-large end, 1b small end, 1c connecting part, 2-tension, 3-upper mold, 4 lower mold, 5
-=mold chamber, 5a-mold chamber for large end, 5b-mold chamber for small end,
5c - Mold chamber for series of joints, 1 - Excess meat storage chamber, 11 - Squeezing part,
12- Projection dam part, 13- Kissing surface. Patent Applicant: Ribota Co., Ltd. Figure 4, Concave No. 6L:.
Claims (1)
（１ａ）と小端部（１ｂ）とこれら両端部（１ａ）（１
ｂ）を連接する連接部（１ｃ）とからなるコネクティン
グロッド（１）を所定形状に型鍛造すべく、前記上下金
型（３）（４）の両対向面に、大端部用型室（５ａ）、
小端部用型室（５ｂ）及び連接部用型室（５ｃ）をそれ
ぞれ連通状に凹設したコネクティングロッド（１）の鍛
造成形用金型装置において、 前記上下金型（３）（４）の両対向面若しくはいずれか
一方の対向面に、前記連接部用型室（５ｃ）の平面視左
右両側でかつその外形形状に沿って、該型室（５ｃ）か
らの余肉が充満される長溝状の余肉収容室（１０）（１
０）が絞り部（９）を介して形成され、その収容室（１
０）（１０）の更に幅方向外方には、上下金型（３）（
４）のキッシング面（１３）を構成して前記余肉のオー
バーフローを阻止する突条ダム部（１２）（１２）が、
当該収容室（１０）に沿って隣接して形成され、 前記大端部用型室（５ａ）及び小端部用型室（５ｂ）の
外周部には、前記ダム部（１２）は設けられていないこ
とを特徴とするコネクティングロッドの鍛造成形用金型
装置。(1) Due to the approach and separation of the upper and lower molds (3) and (4), the large end (1a) and small end (1b) and both ends (1a) and (1)
In order to die-forge a connecting rod (1) consisting of a connecting portion (1c) that connects a connecting rod (1c) into a predetermined shape, a large end mold chamber ( 5a),
In a mold device for forging a connecting rod (1) in which a small end mold chamber (5b) and a connecting portion mold chamber (5c) are respectively recessed in a communicating manner, the upper and lower molds (3) (4) The excess metal from the mold chamber (5c) is filled with the left and right sides of the connecting portion mold chamber (5c) in plan view and along the external shape of the mold chamber (5c). Long groove-shaped excess meat storage chamber (10) (1
0) is formed through the constriction part (9), and its accommodation chamber (1
Further outward in the width direction of 0)(10) are upper and lower molds (3)(
The protruding dam part (12) (12) that constitutes the kissing surface (13) of 4) and prevents the overflow of the excess metal,
The dam portion (12) is formed adjacent to the storage chamber (10), and is provided on the outer periphery of the large end mold chamber (5a) and the small end mold chamber (5b). A mold device for forging and forming connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16865890A JPH0459146A (en) | 1990-06-27 | 1990-06-27 | Die unit for forging connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16865890A JPH0459146A (en) | 1990-06-27 | 1990-06-27 | Die unit for forging connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0459146A true JPH0459146A (en) | 1992-02-26 |
Family
ID=15872105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16865890A Pending JPH0459146A (en) | 1990-06-27 | 1990-06-27 | Die unit for forging connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0459146A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7254976B2 (en) * | 2003-08-12 | 2007-08-14 | Seiko Epson Corporation | Method of manufacturing liquid ejection head |
| JP2010110810A (en) * | 2008-11-10 | 2010-05-20 | Showa Denko Kk | Forging method |
| US20220339693A1 (en) * | 2021-04-27 | 2022-10-27 | Chiuanyou Metal Co., Ltd. | Method for manufacturing operation rod of wrench assembly for disassembling fan clutch, and product and wrench assembly thereof |
| TWI820882B (en) * | 2022-08-29 | 2023-11-01 | 巧新科技工業股份有限公司 | Horizontal continuous casting of special casting material forging mold and its forging method and horizontal continuous casting special casting rod device |
-
1990
- 1990-06-27 JP JP16865890A patent/JPH0459146A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7254976B2 (en) * | 2003-08-12 | 2007-08-14 | Seiko Epson Corporation | Method of manufacturing liquid ejection head |
| JP2010110810A (en) * | 2008-11-10 | 2010-05-20 | Showa Denko Kk | Forging method |
| US20220339693A1 (en) * | 2021-04-27 | 2022-10-27 | Chiuanyou Metal Co., Ltd. | Method for manufacturing operation rod of wrench assembly for disassembling fan clutch, and product and wrench assembly thereof |
| US11628488B2 (en) * | 2021-04-27 | 2023-04-18 | Chiuanyou Metal Co., Ltd. | Method for manufacturing operation rod of wrench assembly for disassembling fan clutch, and product and wrench assembly thereof |
| TWI820882B (en) * | 2022-08-29 | 2023-11-01 | 巧新科技工業股份有限公司 | Horizontal continuous casting of special casting material forging mold and its forging method and horizontal continuous casting special casting rod device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69218395T2 (en) | Cylinder block | |
| EP3099436B1 (en) | Device for producing a cylinder crankcase using the low-pressure or gravity casting method | |
| DE112012005045T5 (en) | Prechamber device for an internal combustion engine | |
| US11021187B2 (en) | Steering knuckle and method of making the same | |
| DE69009116T2 (en) | Combustion chamber with thermal insulation. | |
| SE444520B (en) | SET FOR SELECTION OF A SUBJECT AND SELECTION FOR IMPLEMENTATION OF THE SET | |
| KR20120128720A (en) | Metal double-sided tooth and slide fastener | |
| JPH0459146A (en) | Die unit for forging connecting rod | |
| DE10033271A1 (en) | Water jacket core | |
| DE102015119024A1 (en) | cylinder liner | |
| US10081052B2 (en) | Casting of engine parts | |
| ITMI991695A1 (en) | LINGOTTERY FOR USE IN CONTINUOUS METAL CASTING | |
| CA2154523A1 (en) | Continuous casting mould for a i-shaped preliminary section | |
| EP2636467B1 (en) | Device for manufacturing a cylinder crank case in V design | |
| JPH0444300Y2 (en) | ||
| JP2944847B2 (en) | Continuous casting mold and manufacturing method thereof | |
| JPS6027440A (en) | Method for forging crank shaft and die for rough forging | |
| DE10015870B4 (en) | Cylinder block for water-cooled internal combustion engines | |
| JPS63253156A (en) | Cooling device for siamese type cylinder block | |
| DE60121722T2 (en) | Multi-cylinder engine block and its casting process | |
| JP2789150B2 (en) | Semi-finished cylinder block, method of manufacturing cylinder block, and mold for semi-finished cylinder block | |
| DE69612167T2 (en) | Method of manufacturing a cylinder head with two different valve seats | |
| JPH0313610Y2 (en) | ||
| JPS617046A (en) | Casting mold for continuous casting of thin-walled billet | |
| DE4415413A1 (en) | Casting process for the production of a combination of an engine block and a cylinder head for a double-piston engine and a mould for its production |