JP2925297B2 - Method of manufacturing metal annular disk product such as clutch disk core plate - Google Patents
Method of manufacturing metal annular disk product such as clutch disk core plateInfo
- Publication number
- JP2925297B2 JP2925297B2 JP30443490A JP30443490A JP2925297B2 JP 2925297 B2 JP2925297 B2 JP 2925297B2 JP 30443490 A JP30443490 A JP 30443490A JP 30443490 A JP30443490 A JP 30443490A JP 2925297 B2 JP2925297 B2 JP 2925297B2
- Authority
- JP
- Japan
- Prior art keywords
- product
- core plate
- disk
- ear
- annular
- 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.)
- Expired - Fee Related
Links
Landscapes
- Mechanical Operated Clutches (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、金属製の各種環状のディスク製品、例え
ば、多板クラッチのクラッチディスクのトルク伝達部材
等に用いられる金属製環状ディスク製品の製造方法に関
する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing various annular disk products made of metal, for example, a metal annular disk product used for a torque transmitting member of a clutch disk of a multi-plate clutch. .
従来の技術及び課題 例えばクラッチディスク（１）には、第６図に示され
るように、薄肉環状の金属製芯板（２）の両面に、摩擦
係数の大きい摩擦材（３）を固着したものが用いられて
いる。また、この芯板（２）は、その周縁に肉厚を大と
した複数個の周端耳部（2a）を一体に有するものに製作
されている。2. Description of the Related Art For example, as shown in FIG. 6, a friction disk (3) having a large friction coefficient is fixed to both surfaces of a thin annular metal core plate (2) on a clutch disk (1) as shown in FIG. Is used. The core plate (2) is manufactured so as to integrally have a plurality of peripheral end ears (2a) having a large thickness on the peripheral edge thereof.
そして従来、かかるクラッチディスク芯板（２）など
のような環状ディスク製品は、プレス加工法あるいはダ
イカスト法によって製造されていた。Conventionally, annular disk products such as the clutch disk core plate (2) have been manufactured by a press working method or a die casting method.
しかしながら、プレス加工法による場合、方形または
連続板状材料から環状板を打ち抜くものであるため、材
料に多くの無駄を生じ、製造歩留りが悪いという欠点が
あった。However, in the case of the press working method, since an annular plate is punched from a square or continuous plate-like material, there is a disadvantage that a large amount of material is wasted and a production yield is poor.
また、ダイカスト法による場合は、製品の肉厚が薄い
ことにより成形材料の湯まわりが悪くなる傾向があるの
で、これを良くするため、湯溜り等、製品形状とは関係
のない空間部を金型に多く設定する必要があり、そのた
め鋳造後に製品から多くの不要部分を除去することが行
われ、この方法も材料に多くの無駄を生じて、製造歩留
りが悪いという欠点があった。Also, in the case of the die casting method, since the thickness of the product is thin, the run of the molding material tends to be poor. To improve this, a space, such as a pool, which is not related to the product shape, is filled with metal. A large number of molds need to be set, so that many unnecessary parts are removed from the product after casting, and this method also has a disadvantage in that a large amount of material is wasted and the production yield is poor.
この発明は、上記のような従来の欠点を解消し、製造
歩留りを大幅に向上することのできるクラッチディスク
芯板等の金属製環状ディスク製品の製造方法を提供する
ことを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a method for manufacturing a metal annular disk product such as a clutch disk core plate, which can solve the above-mentioned conventional drawbacks and can greatly improve the manufacturing yield.
課題を解決するための手段 上記目的において、この発明は、一側縁部に耳用厚肉
部を有する金属製帯板状材料をコイルフォーミングマシ
ンの固定型の材料導通孔に導通せしめると共に、該固定
型の前方近接位置に配置された曲げ作用部材を該材料導
通孔から前方に導出されてくる前記帯板状材料の耳用厚
肉部側の一側面に作用せしめることにより該材料にその
幅方向に所定曲率半径の曲げ加工を施し、これを周回単
位に切断して端部突合わせ状の環状曲げ成形品を作製し
たのち、該成形品の端部同士を接合すると共に、前記耳
用厚肉部に切欠加工を施して外周縁に肉厚を大とした複
数個の周端耳部を形成することを特徴とするクラッチデ
ィスク芯板等の金属製環状ディスク製品の製造方法を要
旨とする。Means for Solving the Problems To achieve the above object, the present invention allows a metal strip-shaped material having a thick portion for an ear on one side edge to be conducted to a fixed material conduction hole of a coil forming machine, and The width of the band-shaped material, which is led forward from the material conducting hole, is applied to one side surface of the thicker portion on the side of the ear by applying a bending action member disposed at a position close to the front of the fixed type. In the direction of curvature of a predetermined radius of curvature, cut this in units of orbits to produce an end-butted annular bent molded product, and then join the ends of the molded product together with the ear thickness. A method of manufacturing a metal annular disk product such as a clutch disk core plate, characterized by forming a plurality of peripheral edge portions having a large thickness at an outer peripheral edge by performing a notch processing on a meat portion. .
作用 上記方法では、金属製帯板材料が全て製品に加工され
るから、製造歩留りが非常によい。Operation In the above method, since all of the metal strip material is processed into a product, the production yield is very good.
実施例 以下に、本発明方法を第６図に示されるようなクラッ
チディスク（１）の構成部品である芯板（２）の製造に
適用した実施例を説明する。Embodiment An embodiment in which the method of the present invention is applied to the manufacture of a core plate (2) as a component of a clutch disk (1) as shown in FIG. 6 will be described below.
なお、本発明方法は、クラッチディスク芯板（２）の
ほか、各種環状ディスク製品の製造に広く適用され得る
ものであることはいうまでもない。It goes without saying that the method of the present invention can be widely applied to the manufacture of various annular disk products in addition to the clutch disk core plate (2).
芯板（２）の製造に用いる材料（４）は、第１図に示
されるように、一側縁部に耳用厚肉部（4a）を有する帯
板状のAl合金による。かかる合金材としては、例えばA6
063−Ts材、A5052−H112材、A3003−H112材、A6061−T6
材等が使用されうる。As shown in FIG. 1, the material (4) used for manufacturing the core plate (2) is a strip-shaped Al alloy having a thick portion for ears (4a) on one side edge. As such an alloy material, for example, A6
063-Ts material, A5052-H 112 material, A3003-H 112 material, A6061-T 6
Materials and the like can be used.
この帯板状材料（４）は、例えば全長1000m程に押継
ぎ押出を行った押出型材によるもので、図示しないボビ
ンに捲回されている。The strip-shaped material (4) is, for example, an extruded material which has been subjected to joint extrusion to a total length of about 1000 m, and is wound around a bobbin (not shown).
この帯板状材料（４）を用い、これをまず、第３図に
示されるように、耳用厚肉部（4a）側を外周側とした所
定曲率半径の端部突合わせ状の環状曲げ成形品（９）を
作製する。First, as shown in FIG. 3, this band plate-shaped material (4) is used to form an end-to-end annular bend having a predetermined radius of curvature with the ear thick portion (4a) side as the outer peripheral side. A molded article (9) is produced.
この製作に、本発明では、第２図に示されるようなコ
イルフォーミングマシンと称される加工機（20）を用い
る。In the present invention, a processing machine (20) called a coil forming machine as shown in FIG. 2 is used in the present invention.
この加工機（20）において、（21）は固定型、（22）
は曲げ作用部材、（23）は材料送給駆動部、（24）はカ
ッター、（25）はピッチ調整部材である。In this processing machine (20), (21) is a fixed type, (22)
Is a bending action member, (23) is a material feeding drive unit, (24) is a cutter, and (25) is a pitch adjusting member.
固定型（21）には前後方向に貫通する材料導通孔（21
a）が設けられている。曲げ作用部材（22）は固定型（2
1）の前方近接上寄りの位置に上下方向に進退作動可能
に配置されている。材料送給駆動部（23）は固定型（2
1）の後方位置に配置され、材料を固定金型（21）の導
通孔（21a）に向けて送給する。カッター（24）は、固
定型（21）の導通孔（21a）から出てくる材料を切断す
るもので、同導通孔（21a）の出口部側方位置に左右方
向に進退作動可能に配置されている。ピッチ調整部材
（25）は、固定型（21）の導通孔（21a）の出口部下方
位置に左右方向に進退作動可能に配置されている。な
お、（26）は、ガイドロールである。The fixed type (21) has a material through hole (21
a) is provided. The bending action member (22) is fixed (2
It is arranged to be able to move up and down in the up-down direction at a position near the front near and above 1). The material feed drive (23) is fixed (2
It is arranged at the rear position of 1) and feeds the material toward the conduction hole (21a) of the fixed mold (21). The cutter (24) cuts the material coming out of the conduction hole (21a) of the fixed mold (21), and is disposed at the side of the outlet of the conduction hole (21a) so as to be capable of moving forward and backward in the left-right direction. ing. The pitch adjusting member (25) is disposed at a position below the outlet of the conduction hole (21a) of the fixed die (21) so as to be capable of moving forward and backward in the left-right direction. (26) is a guide roll.
即ち、この加工機（20）の後部に図示しないボビンを
配置し、該ボビンに捲回された帯板状材料（４）の先端
部を送給駆動部（23）に通して、該送給駆動部（23）を
材料（４）が前方に送られるように作動せしめる。する
と、該材料（４）は、固定型（21）の導通孔（21a）に
導通され、これを出て前方に移行していく。そして、曲
げ作用部材（22）が図面に示されるような所定の位置ま
で進出され、導通孔（21a）を出た材料（４）の耳用厚
肉部（4a）を有する側の一側面に作用してこれに曲げを
付与する。また、ピッチ調整部材（25）が所定の位置ま
で進出して曲げられた材料を側方に変位せしめることに
より、材料（４）が１周回した際にその先端が固定型
（21）との衝接を避けるようにして該固定型（21）の側
部に螺旋を描いて位置される。そして、材料（４）が１
周回した時点で、カッター（24）が進出作動され、材料
（４）は固定型（21）の前面部位置において切断され
る。この切断時、送給駆動部（23）の制御により材料
（４）の送給は停止されるようになされてもよいし、継
続されていてもよい。これにより、端部突合わせ状の環
状曲げ成形品（９）が製作される。そののち、材料
（４）は周回されるごとにカッター（24）が進退作動さ
れ、次々に環状曲げ成形品（９）が製作されていく。That is, a bobbin (not shown) is disposed at the rear of the processing machine (20), and the leading end of the strip-shaped material (4) wound around the bobbin is passed through a feed drive unit (23) to feed the bobbin. Actuator (23) is actuated to feed material (4) forward. Then, the material (4) is conducted to the conduction hole (21a) of the fixed mold (21), and exits from the conduction hole (21) and moves forward. Then, the bending action member (22) is advanced to a predetermined position as shown in the drawing, and is formed on one side of the material (4) having the thick portion for ears (4a) that has exited the conduction hole (21a). Acts to impart bending. Further, the pitch adjusting member (25) advances to a predetermined position and displaces the bent material to the side, so that the tip of the material (4) makes contact with the fixed mold (21) when the material (4) makes one rotation. It is spirally positioned on the side of the fixed mold (21) so as to avoid contact. And material (4) is 1
At the time of the rotation, the cutter (24) is advanced, and the material (4) is cut at the front position of the fixed mold (21). At the time of this cutting, the feeding of the material (4) may be stopped by the control of the feeding driving unit (23), or may be continued. Thus, an end-to-end annular bent product (9) is manufactured. After that, the cutter (24) moves forward and backward each time the material (4) is rotated, and an annular bent product (9) is produced one after another.
そして次に、このようにして製作された環状曲げ成形
品（９）の端部（9a）（9a）同士を、第４図に符号（10
a）で示されるように接合し端部接合品（10）を製作す
る。この接合は、アプセットバット溶接や、フラッシュ
バット溶接、機械かしめ、圧接、ろう付け等の各種接合
方法により行えばよい。Next, the ends (9a) and (9a) of the annularly bent product (9) manufactured in this manner are indicated by reference numerals (10) in FIG.
Join as shown in a) to produce an end-joined product (10). This joining may be performed by various joining methods such as upset butt welding, flash butt welding, mechanical caulking, pressure welding, and brazing.
しかるのち、該端部接合品（10）の耳用厚肉部（4a）
に切欠加工を施して、第５図に示されるような周端耳部
（2a）を形成する。Then, the thick part for the ear (4a) of the end joined product (10)
Is cut to form a peripheral edge portion (2a) as shown in FIG.
以上の工程を経て、クラッチディスク芯板（２）が製
作される。なお、この芯板（２）の両面に摩擦係数の大
きい摩擦材（３）を固着することにより、第６図のクラ
ッチディスク（１）が得られる。Through the above steps, the clutch disk core plate (2) is manufactured. The clutch disk (1) shown in FIG. 6 is obtained by fixing a friction material (3) having a large friction coefficient to both surfaces of the core plate (2).
上記実施例では、ボビンに捲回された金属製帯板状材
料を使用するものとしていることにより、環状曲げ成形
品を多数個連続的に作成することができ、能率よくクラ
ッチディスク芯板（２）の製造が行える。In the above embodiment, since the metal strip-shaped material wound on the bobbin is used, a large number of annularly bent products can be continuously formed, and the clutch disc core plate (2 ) Can be manufactured.
また、上記実施例方法では、帯板状材料（４）が曲げ
加工により周回されるごとに切断を行って環状曲げ成形
品（９）を製作するようにしているが、帯板状材料
（４）を複数回ないし多数回螺旋コイル状に曲げ加工
し、これを周回単位に切断して環状曲げ成形品（９）を
製作するようにしてもよい。Further, in the method of the above embodiment, the annular plate-shaped material (4) is cut every time the belt-shaped material (4) is turned around to produce the annular bent molded product (9). ) May be bent a plurality of times or many times into a spiral coil shape, and this may be cut in units of orbits to produce an annular bent molded product (9).
発明の効果 上述の次第で、本発明方法は、一側縁部に耳用厚肉部
を有する金属製帯板状材料にコイルフォーミングマシン
を用いてその幅方向に曲げ加工を施し、これを周回単位
に切断して端部突合わせ状の環状曲げ成形品を製作し、
そして該成形品の端部同士を接合すると共に、前記耳用
厚肉部に切欠加工を施して外周縁に複数個の周端耳部を
形成するものであるから、使用する材料に無駄を生じる
ことなく、しかも外周縁に複数個の厚肉の耳部を有する
クラッチディスク芯板用等の金属製環状ディスク製品の
製造を、歩留良く行うことができる。Effect of the Invention As described above, according to the method of the present invention, a metal band-shaped material having a thick portion for an ear at one side edge is subjected to bending processing in the width direction by using a coil forming machine, and the material is circulated around the material. Cut into units to produce end-to-end annular bends,
The ends of the molded product are joined together, and the thick portion for the ear is cut out to form a plurality of peripheral edge portions on the outer peripheral edge. In addition, it is possible to manufacture a metal annular disk product having a plurality of thick ears on the outer peripheral edge, such as for a clutch disk core plate, with a good yield.
しかも金属製帯板状材料の曲げ加工を、該材料を固定
型の材料導通孔に導通せしめると共に、該固定型の前方
近接位置に配置された曲げ作用部材を該材料導通孔から
前方に導出されてくる材料の前記耳部用厚肉部側の一側
面に作用せしめることにより行うものとなされているこ
とにより、厳しい曲げ加工を形状精度、寸法精度良く行
うことができる。In addition, the bending process of the metal band plate-shaped material allows the material to pass through the fixed type material conducting hole, and the bending action member disposed near the front of the fixed type is led forward from the material conducting hole. Since it is performed by acting on one side surface of the incoming material on the side of the thick portion for the ear, severe bending can be performed with good shape accuracy and dimensional accuracy.
また、本発明方法は、鋳造によるものではないので、
工場の作業環境の改善に寄与すると共に、総合的な生産
エネルギーの節約をも図りえて製品のコストダウンが可
能となる。また、原材料の変更も容易で、工程の自動化
も図りやすいというメリットもある。Also, since the method of the present invention is not based on casting,
In addition to contributing to the improvement of the working environment of the factory, it is possible to reduce the cost of products by saving overall production energy. In addition, there is an advantage that the raw material can be easily changed and the process can be easily automated.
第１図ないし第６図は本発明方法の実施例を示すもの
で、第１図は長尺材の斜視図、第２図（イ）（ロ）は長
尺材の曲げ加工に使用される加工機の斜視図及び側面
図、第３図は環状切断品の斜視図、第４図は端部接合品
の斜視図、第５図はクラッチディスク芯板の斜視図、第
６図はクラッチディスクの斜視図である。 （１）……クラッチディスク、（２）……クラッチディ
スク芯板、（４）……金属製帯板状長尺材料、（９）…
…環状曲げ成形品、（10）……端部接合品、（21）……
固定型、（21a）……材料導通孔、（22）……曲げ作用
部材。1 to 6 show an embodiment of the method of the present invention. FIG. 1 is a perspective view of a long material, and FIGS. 2A and 2B are used for bending a long material. FIG. 3 is a perspective view of an annular cut product, FIG. 4 is a perspective view of an end joined product, FIG. 5 is a perspective view of a clutch disk core plate, and FIG. 6 is a clutch disk. It is a perspective view of. (1) Clutch disc, (2) Clutch disc core plate, (4) Metal strip-shaped long material, (9)
… Circular bent product, (10)… End-joined product, (21) ……
Fixed type, (21a) ... material conduction hole, (22) ... bending action member.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平４−157033（ＪＰ，Ａ) 特開 昭52−29464（ＪＰ，Ａ) 実開 昭63−133817（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) B21D 11/20,7/08 F16D 13/62 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-157703 (JP, A) JP-A-52-29464 (JP, A) JP-A-63-133817 (JP, U) (58) Survey Field (Int.Cl. 6 , DB name) B21D 11 / 20,7 / 08 F16D 13/62
Claims (1)
状材料をコイルフォーミングマシンの固定型の材料導通
孔に導通せしめると共に、該固定型の前方近接位置に配
置された曲げ作用部材を該材料導通孔から前方に導出さ
れてくる前記帯板状材料の耳用厚肉部側の一側面に作用
せしめることにより該材料にその幅方向に所定曲率半径
の曲げ加工を施し、これを周回単位に切断して端部突合
わせ状の環状曲げ成形品を製作したのち、該成形品の端
部同士を接合すると共に、前記耳用厚肉部に切欠加工を
施して外周縁に肉厚を大とした複数個の周端耳部を形成
することを特徴とするクラッチディスク芯板等の金属製
環状ディスク製品の製造方法。1. A metal strip-shaped material having a thick portion for an ear on one side edge is made to conduct to a fixed material conduction hole of a coil forming machine, and is disposed at a position close to the front of the fixed type. A bending action member is applied to one side surface of the band-shaped material, which is led forward from the material conducting hole, on the side of the thick part for the ear, thereby bending the material to a predetermined radius of curvature in the width direction thereof. After cutting this in units of orbits to produce an annular bent molded product having an end-butting shape, the ends of the molded product are joined together, and the thick portion for the ear is cut out to form an outer peripheral edge. A method of manufacturing a metal annular disk product such as a clutch disk core plate, wherein a plurality of peripheral end portions having a large thickness are formed on the disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30443490A JP2925297B2 (en) | 1990-11-09 | 1990-11-09 | Method of manufacturing metal annular disk product such as clutch disk core plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30443490A JP2925297B2 (en) | 1990-11-09 | 1990-11-09 | Method of manufacturing metal annular disk product such as clutch disk core plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04178223A JPH04178223A (en) | 1992-06-25 |
| JP2925297B2 true JP2925297B2 (en) | 1999-07-28 |
Family
ID=17932961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30443490A Expired - Fee Related JP2925297B2 (en) | 1990-11-09 | 1990-11-09 | Method of manufacturing metal annular disk product such as clutch disk core plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2925297B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007041683A1 (en) | 2005-10-06 | 2007-04-12 | Borgwarner Inc. | Multimembered core plate |
| JP5517449B2 (en) * | 2008-12-24 | 2014-06-11 | トピー工業株式会社 | Manufacturing method of disc for wheel |
| JP6685614B2 (en) * | 2018-08-31 | 2020-04-22 | 日本ピストンリング株式会社 | Wire rod molding machine and method for manufacturing wire rod molded product |
| JP6810289B2 (en) * | 2020-01-27 | 2021-01-06 | 日本ピストンリング株式会社 | Wire rod molding machine and manufacturing method of wire rod molded products |
-
1990
- 1990-11-09 JP JP30443490A patent/JP2925297B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04178223A (en) | 1992-06-25 |
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Legal Events
| Date | Code | Title | Description |
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| LAPS | Cancellation because of no payment of annual fees |