JP2570821B2 - Ring forming method with seam fitted - Google Patents
Ring forming method with seam fittedInfo
- Publication number
- JP2570821B2 JP2570821B2 JP63159879A JP15987988A JP2570821B2 JP 2570821 B2 JP2570821 B2 JP 2570821B2 JP 63159879 A JP63159879 A JP 63159879A JP 15987988 A JP15987988 A JP 15987988A JP 2570821 B2 JP2570821 B2 JP 2570821B2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- shape
- plate
- fitted
- concave
- 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
- 238000000034 method Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 10
- 239000002783 friction material Substances 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 244000208734 Pisonia aculeata Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Wire Processing (AREA)
Description
【発明の詳細な説明】 〔発明の目的〕 （産業上の利用分野） 本発明はリング成形機により成形するリング形状の継
ぎ目部の接合方法に関するもので、自動変速機の湿式多
板クラッチを構成するバツキング・プレート・セパレー
ト・プレート及びコア・プレートを製造する場合に利用
されるものである。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a method of joining a ring-shaped joint formed by a ring forming machine, and constitutes a wet multi-plate clutch of an automatic transmission. This is used when manufacturing a backing plate separate plate and a core plate.
（従来の技術） 自動変速機のバツキング・プレート（B/P）、セパレ
ート、プレート（S/P）及びコア・プレート（C/P）はリ
ング形成機によりコイル材をガイドロールと芯金ロール
にて材料板巾方向の拘束を受けながら曲げロールにてリ
ング形状に成形し、一定の長さに直線状に切断し、切断
部をアーク溶接又は抵抗溶接にて接合更にプレス加工に
より最終形状に打抜いて成形していた。(Prior art) For backing plate (B / P), separate plate (S / P) and core plate (C / P) of automatic transmission, coil material is converted to guide roll and core metal roll by ring forming machine. While being constrained in the width direction of the material, it is formed into a ring shape with a bending roll, cut straight into a certain length, joined by arc welding or resistance welding, and pressed into the final shape by press working It was pulled out and molded.
（発明が解決しようとする課題） しかし前記成形方法は、次のような問題点がある。(Problems to be Solved by the Invention) However, the molding method has the following problems.
（１）リング形状の継ぎ目部の溶接部及び熱影響部の硬
さが急激に上昇（焼が入るため）するために機能上の不
都合、すなわち摩擦材（ライニング）の異常摩耗の原因
となり、これを防止するために標準工程を必要とする。(1) The hardness of the welded portion and the heat-affected zone of the ring-shaped seam rapidly increases (because of quenching), which causes functional inconvenience, that is, causes abnormal wear of the friction material (lining). Requires a standard process to prevent
（２）溶接部が盛り上るために、摩擦材を破損させる、
これの防止法として溶接前の開先工程あるいは溶接後の
切削及び研削などのトリマー工程が必要となる。(2) Damage to the friction material due to the swelling of the weld,
To prevent this, a groove process before welding or a trimmer process such as cutting and grinding after welding is required.
（３）溶接されたリング成形品はプレスにて最終形状の
B/P,S/P,C/Pに打抜かれるが、打抜き時溶接時にクラツ
クが発生する。(3) The welded ring molded product is
It is punched into B / P, S / P and C / P, but cracks occur during welding at the time of punching.
（４）溶接部遅れ破壊の原因となり易い。(4) It is likely to cause delayed fracture of the weld.
（５）熱によって変形を起す。(5) Deformation is caused by heat.
このように品質の安定上問題があり、更に工程が増加
するために製造コストが高くなるものである。As described above, there is a problem in terms of quality stability, and the number of steps is increased, so that the manufacturing cost is increased.
本発明はリングの製造に於て、リング継ぎ目部の溶接
接合により発生する溶接部の盛り上がり、クラツクの発
生、熱による変形率の発生のない接合方法を技術的課題
とするものである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a method of joining a ring in which no weld swelling, cracking, or heat-induced deformation occurs due to welding at a ring joint.
（課題を解決するための手段） 自動変速機の湿式多板クラツチとして使用されるB/P,
S/P及びC/Pなどの鋼板よりなるリングをリング成形機に
より製造する方法に於て、コイル材をガイドロールと芯
金ロールにて材料板巾方向の拘束を受けながら曲げロー
ルにてリング形状に成形し、継ぎ目部の加工代を見込ん
だ長さに切断し、切断したリングの継ぎ目部に凹形状と
凸形状を形成し、前記凹形状と凸形状を嵌合してリング
状とし、プレスにて最終形状に打抜いて製造するリング
の形成方法である。(Means for solving the problem) B / P used as wet multi-plate clutch for automatic transmission,
In the method of manufacturing a ring made of steel plates such as S / P and C / P by a ring forming machine, the coil material is ringed by bending rolls while being constrained in the width direction of the material by guide rolls and cored rolls. Formed into a shape, cut to the length in anticipation of the processing allowance of the seam portion, form a concave shape and a convex shape at the seam portion of the cut ring, fit the concave shape and the convex shape into a ring shape, This is a method of forming a ring that is manufactured by stamping into a final shape with a press.
（作用） コイル材はリング成形機によつて継ぎ目部を見込んだ
リング状に形成され、リングの端部にはそれぞれ凸形状
及び凹形状が設けてあるため、この凹凸形状を嵌め込ん
だ最終成形の形状にプレス成形してリングを形成するも
ので、リング端部の接合には溶接加工を行はないために
リング状の端部には溶接不良、硬度の不揃等溶接による
不良の発生はないものである。(Operation) The coil material is formed into a ring shape with a joint formed by a ring forming machine, and the ends of the ring are provided with a convex shape and a concave shape, respectively. Since the ring is formed by press forming into the shape of the ring, welding is not performed at the joint of the ring end, so the occurrence of defects such as poor welding and uneven hardness at the ring-shaped end Not something.
更にリング端部の凹凸形状は、リング板厚方向に力が
作用していても板厚方向にズレることが出来るために、
リング端面に歪み、狂いの発生がなく、リングの両側面
に配置する摩擦材の著しい摩耗現象は発生しないもので
ある。Furthermore, the uneven shape of the ring end can be shifted in the thickness direction even if force is acting in the thickness direction of the ring,
The end face of the ring is not distorted and out of order, and no remarkable wear phenomenon of the friction material disposed on both side faces of the ring occurs.
（実施例） 以下実施例について説明する。Example An example will be described below.
リング成形機に於て、B/P,S/P,C/P用のリングの製造
方法を第１図に示す。FIG. 1 shows a method of manufacturing a ring for B / P, S / P, and C / P in a ring forming machine.
Ａはコイル材であり、１はリング成形機のプルバツク
ロール、２は曲げロール、３は芯金ロールで４はガイド
ロールである。A is a coil material, 1 is a pull-back roll of a ring forming machine, 2 is a bending roll, 3 is a cored roll, and 4 is a guide roll.
５はコイル機の先端部で、６はフイードロールで、点
線で示す７は直線状の切断位置である。Numeral 5 denotes a tip of the coil machine, numeral 6 denotes a feed roll, and numeral 7 shown by a dotted line denotes a linear cutting position.
Ｗはコイル材の巾、Ｄφはコイル内径、T1はコイル板
厚、T2もコイル板厚である。W is the width of the coil material, D Ø coil inner diameter, T 1 denotes a coil thickness, T 2 is also a coil thickness.
又コイル端部の接合部の凸形状及び凹形状でそれぞれ
8a,8b,9a,9b,10a,10bに示す。Also, the convex and concave shapes of the joint at the coil end
8a, 8b, 9a, 9b, 10a, and 10b are shown.
前記構成に於て接合方法に述べれば、 リング成形機運転時コイル材Ａはフイードロール６で
ひと巻きプラス継ぎ目部の加工代を見込んで長さだけ送
り込まれる。To describe the joining method in the above configuration, the coil material A is fed by the feed roll 6 by a length by a feed roll 6 in consideration of the machining allowance for one turn plus the seam during the operation of the ring forming machine.
前記コイル材はＡはガイドロール４と芯金ロール３で
材料板巾方向の拘束を受けながら曲げロール２に押しつ
けられてリングに成形される。The coil material A is pressed against the bending roll 2 while being constrained by the guide roll 4 and the core roll 3 in the width direction of the material plate to form a ring.
リングの内径Ｄφは曲げロール２の上下方向の移動量
で決定される。The inner diameter Dφ of the ring is determined by the amount of vertical movement of the bending roll 2.
又リング内径の安定度の確保及びリング内径とリング
外径との残留応力勾配をなくするために、プルバツクロ
ーラ１で半径方向に引張りを加えながら成形される。Further, in order to secure the stability of the inner diameter of the ring and to eliminate the residual stress gradient between the inner diameter of the ring and the outer diameter of the ring, the ring is formed while being pulled in the radial direction by the pull-back roller 1.
次にリング成形された製品はひと巻プラス継ぎ目部の
加工代を見込んだ長さごとに切断機にて７に示す位置で
切断される。Next, the ring-formed product is cut at a position indicated by 7 by a cutting machine for each length in consideration of the machining allowance for one turn plus the seam portion.
切断したリングの継ぎ目部の一方に板幅方向半ばに先
端が位置する凸形状である凸部8aを設け、他方にその凸
部8aと係合する凹形状である凹部８を設け、凸部8aと凹
部８を嵌合して凸部8aと凹部８とが相対的に板厚方向に
変位可能なリング状とした後プレスにて最終形状のB/P,
S/P,C/Pを形成するものである。One of the seams of the cut ring is provided with a convex portion 8a having a convex shape whose tip is located in the middle of the plate width direction, and the other is provided with a concave portion 8 having a concave shape engaging with the convex portion 8a. And the concave portion 8 are fitted to form a ring shape in which the convex portion 8a and the concave portion 8 can be relatively displaced in the thickness direction.
It forms S / P and C / P.
第３図には第２図（イ）に示すリング端面の凹形状及
び凸形状の拡大図を示し、凹凸部を組合せたもので、リ
ング端面の8c,8dを突合せて密着させた場合に凹形状と
凸形状に適宜なスキ間が生じる様に寸法上構成されてお
り、従つて板厚方向に段差ができても、（切削によるオ
ス部とメス部の芯ズレによつて起る）力を加えればたや
すく段差がなくなるので、段差部で摩擦材をけずるとい
う異常摩擦することはない。FIG. 3 is an enlarged view of the concave shape and the convex shape of the ring end face shown in FIG. 2 (a). The concave and convex portions are combined, and when the ring end faces 8c and 8d are brought into close contact with each other, the concave shape is obtained. It is dimensionally configured so that there is an appropriate gap between the shape and the convex shape. Therefore, even if there is a step in the thickness direction, the force (caused by the misalignment of the male part and the female part due to cutting) When the step is added, the step is easily eliminated, so that there is no abnormal friction such that the friction material is broken at the step.
本発明は次の効果を有する。 The present invention has the following effects.
リングの継ぎ目部を溶接加工することなく、凹凸形状
部の嵌め合にて適当なスキを設けて接合することによ
り、 （１）標準工程の廃止、（２）開先工程あるいはトリマ
ー工程の廃止、（３）溶接不良の低減、（４）生産性向
上等を計ることができる。Without welding the seam of the ring, it is possible to provide an appropriate gap by fitting the concave and convex parts and join them. (1) The standard process is abolished, (2) The groove process or the trimmer process is abolished, (3) It is possible to reduce welding defects and (4) improve productivity.
又第４図に示す凹凸部の形状が、圧縮移動不可能な形
状（シグゾー式）に嵌合したB/P,S/P等のリングがある
が、このものに強く板厚方向に力が作用した場合には段
差があつた場合に段差を吸収することができないので、
摩擦材を異常に摩耗させるが、本実施例は板厚方向に圧
縮が作用してもスキが設けてあるために段差を吸収する
ことができ摩擦材を異常に摩耗させることがない。In addition, there are B / P, S / P, etc. rings fitted in a shape (sigzo type) in which the shape of the concave and convex portions shown in FIG. If it acts, it will not be able to absorb the steps if there is a step,
Although the friction material is abnormally worn, in this embodiment, even if compression acts in the plate thickness direction, the gap is provided because the clearance is provided, so that the friction material is not abnormally worn.
第１図はリング成形きにおけるリングの製造方法の説明
図、第２図の（イ）〜（ハ）はリング継ぎ目部のクリン
チング形状の説明図、第３図は第２図（イ）の拡大図、
第４図は他の従来例の平面図である。 ２……曲げロール， ３……芯金ロール， ４……ガイドロール， Ａ……コイル材， Ｗ……コイル巾， 8,8a,8b……凸部， 9,9a,9b……凹部，FIG. 1 is an explanatory view of a method of manufacturing a ring in ring forming, FIG. 2 (a) to (c) are explanatory views of a clinching shape of a ring joint, and FIG. 3 is an enlarged view of FIG. 2 (a). Figure,
FIG. 4 is a plan view of another conventional example. 2 ... bending roll, 3 ... cored bar roll, 4 ... guide roll, A ... coil material, W ... coil width, 8,8a, 8b ... convex part, 9,9a, 9b ... concave part,
Claims (2)
されるバッキングプレート、セパレートプレート、及び
コアプレートを形成するリングをリング成形機により製
造する方法において、 コイル材をガイドロールと芯金ロールにて材料板巾方向
の拘束を受けながら曲げロールにてリング形状に成形
し、継ぎ目部の加工代を見込んだ部分で切断し、切断し
たリングの継き目部の一方に板幅方向半ばに先端が位置
する凸形状を設け、他方にその凸形状と係合する凹形状
を設け、該凸形状と凹形状を嵌合して、前記凸形状と凹
形状とが相対的に板厚方向に変位可能なリング状とし、
プレスにて最終形状に打ち抜いて製造する継ぎ目部をは
め合せたリングの成形方法。1. A method of manufacturing a ring forming a backing plate, a separate plate, and a core plate used as a wet multi-plate clutch of an automatic transmission by a ring forming machine, wherein a coil material is formed into a guide roll and a core metal roll. While being constrained in the width direction of the material, it is formed into a ring shape with a bending roll, cut at the part where the machining allowance for the seam part is expected, and the tip of the cut seam part is in the middle of the plate width direction Is provided, and the other is provided with a concave shape that engages with the convex shape, and the convex shape and the concave shape are fitted to each other, so that the convex shape and the concave shape are relatively displaced in the thickness direction. Possible ring shape,
A method of forming a ring with seams fitted by stamping to the final shape with a press.
イル材の板厚方向に変位可能な隙間が設けられるよう
に、前記凸形状及び凹形状を設けることを特徴とする請
求項１記載の継ぎ目部をはめ合せたリングの成形方法。2. The method according to claim 1, wherein the convex shape and the concave shape are provided so that a gap that can be displaced in a thickness direction of the coil material is provided when the convex shape and the concave shape are fitted. 2. A method for forming a ring having the seam portion according to 1 above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63159879A JP2570821B2 (en) | 1988-06-28 | 1988-06-28 | Ring forming method with seam fitted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63159879A JP2570821B2 (en) | 1988-06-28 | 1988-06-28 | Ring forming method with seam fitted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0211236A JPH0211236A (en) | 1990-01-16 |
| JP2570821B2 true JP2570821B2 (en) | 1997-01-16 |
Family
ID=15703197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63159879A Expired - Fee Related JP2570821B2 (en) | 1988-06-28 | 1988-06-28 | Ring forming method with seam fitted |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2570821B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101747305B1 (en) | 2014-10-08 | 2017-06-27 | 삼성전자주식회사 | Ultrasound diognosis apparatus and mehtod for communication connecting thereof |
-
1988
- 1988-06-28 JP JP63159879A patent/JP2570821B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0211236A (en) | 1990-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |