JPS58141301A - Sintering and forging method - Google Patents

Sintering and forging method

Info

Publication number
JPS58141301A
JPS58141301A JP57024097A JP2409782A JPS58141301A JP S58141301 A JPS58141301 A JP S58141301A JP 57024097 A JP57024097 A JP 57024097A JP 2409782 A JP2409782 A JP 2409782A JP S58141301 A JPS58141301 A JP S58141301A
Authority
JP
Japan
Prior art keywords
parts
bound
forging
column
members
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
JP57024097A
Other languages
Japanese (ja)
Inventor
Chiaki Tsumiki
積木　千明
Ichiro Nagarei
永礼　一郎
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 JP57024097A priority Critical patent/JPS58141301A/en
Publication of JPS58141301A publication Critical patent/JPS58141301A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/02—Constructions of connecting-rods with constant length
    • F16C7/023—Constructions of connecting-rods with constant length for piston engines, pumps or the like

Abstract

PURPOSE:To improve file-up in bound parts in a forging stage and to prolong the life of dies in sintering and working wherein the end parts of one member and the wall surfaces of the other members are bound to one body by forming a powder molding in such a way that the molding builds up in the bound parts. CONSTITUTION:A powder molding 1 of a connecting rod in, for example, a preforming stage is constituted by positioning big and small ends 3, 4 which are the other members on one end and other end sides of a column 2 which is one member at the center. A web 2 enclosed of wall parts 2a is formed to the column 2 and build-up parts 2c which build up toward the respective end parts are formed in both end parts of the web 2b in its longitudinal direction. The parts 2c are bound respectively to the ends 3, 4 and side walls 3a, 4a which are the wall surfaces of the other members to one body. The density of the bound parts 5, 6 is increased by the above-mentioned method; therefore, even if the molding is subjected to the next heating and forging stages, the materials transfer between the ends 3, 4 and the column 2, whereby the insufficient density of the parts 5, 6 is obviated and the load of forging is decreased.

Description

【発明の詳細な説明】 本発明は、ｖＩｉ結鍛造加工方法に関する。[Detailed description of the invention] The present invention relates to a vIi forging method.

従来、焼結鍛造加工は１．」般に鉄粉、添加粉等の粉末
を、混粉４後、鍛造体に猷い形状に固めるいわゆる、グ
リフオーム−［＃ｉ、加熱工ｍ、＊造工ｍ、＊処理工根
の願に行われていた。Conventionally, sintering and forging is performed using 1. In general, powders such as iron powder and additive powder are mixed and solidified into a forged body in the form of a so-called glyform. It was done.

ところで、焼結ｗＩｉ造加工がなされる１例えばコネク
ティングロッドは、第３図、第４図に示すように鍛造体
に近い形状の粉末成形体【Ｋプリフォームされる。Incidentally, a connecting rod, for example, which is subjected to the sintering process is preformed into a powder compact having a shape similar to a forged body, as shown in FIGS. 3 and 4.

しかしながら、このようにプリフォームされた粉末成形
体ｒは、鍛造工程時、ビッグエンド！、スモー、ルエン
ド３′とコラム４′点の、各結合、部フィルアップが悪
くなってい友。However, the powder compact r preformed in this way has a big end during the forging process! , Sumo, Luend 3' and Column 4' points, each connection, part fill-up is getting worse.

−万、これを解決する手段として、鍛造荷重ｔ−嶋くす
る方法があるが、この方法は、金屋の寿命を短くシ、好
ましくなか゛り九。- As a means to solve this problem, there is a method of increasing the forging load by t, but this method shortens the life of the metallurgy and is not preferable.

本発明は上記問題点ｔ−解消するもので、粉末成形体を
構成する−の部材と他の部材の結合部分において、該−
の部材［該−の部材から該他・の部材−＼同って盛上る
よう＃ＩＣ粉末成形体？：成形゛ｒることにより、鍛造
工程時、前記結合部分の・材料＊ｍｔなくしてば結合部
分のフィルアップをよくすると共により低いｍ造荷電で
該結合部分のフィルアップを図り全滅の寿命を同上させ
ようとするものでゐる。The present invention solves the above-mentioned problem t-, and the present invention solves the above-mentioned problem t.
#IC powder molded body so that the parts [from this part to the other parts -\ are the same? : By forming, the material *mt of the joint part is eliminated during the forging process, and the fill-up of the joint part is improved, and the fill-up of the joint part is achieved with a lower charge, thereby extending the life of the joint. It is an attempt to do the same.

以下１本発明の一実施例ｔコネクテイングロラドに基づ
いて説明する。EMBODIMENT OF THE INVENTION Hereinafter, one embodiment of the present invention will be explained based on a connecting robot.

１１１Ｌ１．菖２図（おいて、ｌはプリフォーム工程に
おけるコネクティングロッドの粉末成形体で、該粉末成
形体ｉｔｉ、中央に−の部材たるコラＡ２が配置され、
その一端側に他の部材たるビッグエンド３．他１ｍ浦に
同じく他の部材たるスモールエンド４が位置−ｒるよう
に概略構成されている。111L1. Diagram 2 (In the figure, l is a powder molded body of a connecting rod in the preform process, and a collar A2, which is a member of -, is arranged in the center of the powder molded body iti,
3. Big end which is another member on one end side. A small end 4, which is another member, is roughly configured to be located at another 1 m depth.

コラム２には１幅方向の両端に長手方間へ向ってｉ！ｓ
２ｍが伸びていて、それらに囲まれて鎮コラム２には長
手方向にウェブ２ｂが形成されている。該ウェブ２ｂに
は長手方向の両端部分０におモールエンド４０′　　　
　　゛　　　各側面３４４ａとそれぞれ一体結合されて
いる。このことにより、その結合部分５，６の一度上昇
が図られる。Column 2 has i! on both ends in the width direction in the longitudinal direction. s
2 m, and surrounded by these, a web 2b is formed in the longitudinal direction of the column 2. The web 2b has molding ends 40' at both ends 0 in the longitudinal direction.
゛ It is integrally connected to each side surface 344a. As a result, the connecting portions 5 and 6 are raised once.

したがって、上記構成の粉末成形体ｌは次の加熱ニー、
鍛造工ａｒｍてもビッグエンド３゜スモールエンド４と
コラ＾２との間で材料移動を起こし、結合部分５，６の
密度が不十分となることはない。このことはまた、金型
の鍛造荷重を低く抑える・ 本発明は以上述べたことから明らかなように、−の部材
と他の部材との結合部分のフィルアップを図ってその部
分の強ｆ’に同上させることができるだけでなく、通常
の鍛造荷重よりも低い荷重で鍛造が行えるので、金型の
寿命を伸ばすことができる・Therefore, the powder compact l having the above structure is heated as follows:
Even in the case of a forged arm, material movement does not occur between the big end 3°, the small end 4 and the collar 2, and the density of the joint parts 5 and 6 does not become insufficient. This also keeps the forging load of the die low. As is clear from the above description, the present invention aims to fill up the joint part between the - member and other members to strengthen the strength f' of that part. Not only can the forging be carried out with a lower load than the normal forging load, the life of the mold can be extended.

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

爵１図は１本発明に係る粉末成形体の平面図。 ａｇＺ図ＩＩｉ、Ｍ１図のｘ−ｘｍｍ面図。 第３図は、従来の粉末成形体の１１？面図。 謳４図は、第３図のＹ−Ｙ−町面図である。 ｌ　・・・粉末成形体 ２　・・・コラム ２ｃ　・・・　盛上り部 ３　・・　ビッグエンド ４・・・スモールエンド ３ｍ、４ｍ・・・壁面 ５．６・・・結合部分 （１１か１名） 簿ｌ　ラ１ Figure 1 is a plan view of a powder compact according to the present invention. x-xmm plane view of agZ diagram IIi and M1 diagram. Figure 3 shows 11? of a conventional powder compact. Surface diagram. Figure 4 is the YY-town map of Figure 3. l...Powder compact 2...Column 2c... Climax part 3... Big end 4...Small end 3m, 4m...Wall surface 5.6...Joining part (11 or 1 person) Book l la 1

Claims (1)

【特許請求の範囲】 他の、ｍ材のｍ面とが一体結合されている焼結鍛造加工
における粉末成形体の結合部分にお□ いて、゛ 前記−の部材に砿−の部材から前記他の部材−＼向って
盛上るように粉末成形体を成形することｔ−特徴とする
焼結、鍛造加工方法◎[Scope of Claims] In the joining part of the powder compact in the sintering forging process in which the m-plane of the m-material is integrally joined to the m-plane of the m-material, Parts - Forming powder compacts so that they swell in the opposite direction - Characteristic sintering and forging processing methods◎
JP57024097A 1982-02-17 1982-02-17 Sintering and forging method Pending JPS58141301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57024097A JPS58141301A (en) 1982-02-17 1982-02-17 Sintering and forging method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57024097A JPS58141301A (en) 1982-02-17 1982-02-17 Sintering and forging method

Publications (1)

Publication Number Publication Date
JPS58141301A true JPS58141301A (en) 1983-08-22

Family

ID=12128865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57024097A Pending JPS58141301A (en) 1982-02-17 1982-02-17 Sintering and forging method

Country Status (1)

Country Link
JP (1) JPS58141301A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051232A (en) * 1990-01-16 1991-09-24 Federal-Mogul Corporation Powdered metal multiple piece component manufacturing
US5594187A (en) * 1996-04-02 1997-01-14 Chrysler Corporation Forged powder metal connecting rod with stress riser crease formed in side thrust face
US5613182A (en) * 1996-04-02 1997-03-18 Chrysler Corporation Method of manufacturing a powder metal connecting rod with stress riser crease formed in the side face

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5296907A (en) * 1976-02-12 1977-08-15 Mitsubishi Heavy Ind Ltd Preformed material for powder forming

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5296907A (en) * 1976-02-12 1977-08-15 Mitsubishi Heavy Ind Ltd Preformed material for powder forming

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051232A (en) * 1990-01-16 1991-09-24 Federal-Mogul Corporation Powdered metal multiple piece component manufacturing
US5594187A (en) * 1996-04-02 1997-01-14 Chrysler Corporation Forged powder metal connecting rod with stress riser crease formed in side thrust face
US5613182A (en) * 1996-04-02 1997-03-18 Chrysler Corporation Method of manufacturing a powder metal connecting rod with stress riser crease formed in the side face

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