JP3100850B2 - Manufacturing method of propeller shaft - Google Patents
Manufacturing method of propeller shaftInfo
- Publication number
- JP3100850B2 JP3100850B2 JP06286239A JP28623994A JP3100850B2 JP 3100850 B2 JP3100850 B2 JP 3100850B2 JP 06286239 A JP06286239 A JP 06286239A JP 28623994 A JP28623994 A JP 28623994A JP 3100850 B2 JP3100850 B2 JP 3100850B2
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- manufacturing
- propeller shaft
- spline sliding
- forming
- 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
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Arc Welding In General (AREA)
- Laser Beam Processing (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、それぞれの一方の端部
に互いに嵌合するスプライン摺動部を設け、他方の端部
にヨークを設ける雄軸及び雌軸を有するプロペラシャフ
トの製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a propeller shaft having a male shaft and a female shaft each having a spline sliding portion fitted at one end and a yoke at the other end. Things.
【０００２】[0002]
【従来の技術】従来は、図１に示すように、このような
プロペラシャフトに関して必要とする長さに切断した中
空パイプ１を使用し、この中空パイプ１の両側の端部に
関係するスプライン部２及びヨーク３を掛合させ、溶接
等によって連結していた。また雄軸のスプライン部は中
実の棒材から転造又は歯切りによって形成し、同様に雌
軸のスプライン部はブローチ加工で形成するのが一般的
であった。2. Description of the Related Art Conventionally, as shown in FIG. 1, a hollow pipe 1 cut to a required length for such a propeller shaft is used, and a spline portion related to both ends of the hollow pipe 1 is used. 2 and the yoke 3 were hooked and connected by welding or the like. The spline portion of the male shaft is generally formed by rolling or gear cutting from a solid bar, and the spline portion of the female shaft is generally formed by broaching.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来は、長さ
調整用の中空パイプ１の両側の端部にそれぞれスプライ
ン部２及びヨーク３を圧入し、また接合部４で電気溶接
又は摩擦圧接する必要があったため、製造に時間がかか
っていた。また、各部分１，２，３の単品それぞれが精
度よく加工されていても、互いに一体に接合された後の
精度に狂いが出ることが多かった。However, conventionally, a spline portion 2 and a yoke 3 are press-fitted into both ends of a hollow pipe 1 for length adjustment, respectively, and electric welding or friction welding is performed at a joint portion 4. Because of the necessity, production took time. In addition, even if each of the parts 1, 2, and 3 is individually processed with high accuracy, the accuracy after being integrally joined to each other is often out of order.
【０００４】即ち、部分品１，２，３とも、その形状特
性から、同じ装置で機械加工されることはなく、それぞ
れに専用の装置又はエリアで製造されるため、経済性の
点でロスが多かった。[0004] That is, since the parts 1, 2, 3 are not machined by the same device due to their shape characteristics, they are manufactured by dedicated devices or areas, respectively. There were many.
【０００５】また各部分品１，２，３の結合体であるた
め、周方向の位相、中心に対するずれ、曲がりなどが生
ずる。この結果、回転不良、バランス不良を伴い、耐久
性の低下、異音、振動の発生源となる場合があったた
め、手直し（精度修正）作業を必要としていた。[0005] Further, since it is a combined body of the parts 1, 2, and 3, a phase in the circumferential direction, a deviation from the center, a bending, and the like occur. As a result, poor rotation, poor balance, and a source of reduced durability, abnormal noise, and vibration may be required, requiring a rework (correction of accuracy).
【０００６】更に、雄軸の場合、転造、歯切り、ブロー
チ加工でスプライン部を形成していたため、切り粉が発
生し、材料の無駄又は環境汚染の問題があった。更にま
た、軽量化の点で限界があった。Furthermore, in the case of a male shaft, since splines are formed by rolling, gear cutting, and broaching, chips are generated, and there is a problem of waste of materials or environmental pollution. Furthermore, there is a limit in terms of weight reduction.
【０００７】従って、本発明の目的は、加工工程数を少
なくし、製造を短時間で行うことができ、従って、コス
トの低減を図ることができるとともに、精度が高くかつ
軽量化をもたらすことができるプロペラシャフトの製造
方法を得るにある。Accordingly, it is an object of the present invention to reduce the number of processing steps and to carry out manufacturing in a short time, thereby reducing costs and providing high precision and light weight. An object of the present invention is to provide a method for manufacturing a propeller shaft.
【０００８】[0008]
【課題を解決するための手段】この目的を達成するた
め、本発明によるプロペラシャフトの製造方法は、雄軸
用又は雌軸用の中空パイプを所定の長さにして前処理を
施す塑性加工前処理ステップと、前記一方の端部側の部
分にプレス金型によりスプライン摺動部を形成するスプ
ライン摺動部塑性加工ステップと、スプライン摺動部と
は反対側の他方の端部にヨークを形成するヨーク形状加
工ステップとよりなり、前記スプライン摺動部塑性加工
ステップ及びヨーク形状加工ステップは順不同としたこ
とを特徴とする。In order to achieve this object, a method for manufacturing a propeller shaft according to the present invention is directed to a method for forming a propeller shaft for a male shaft or a female shaft to a predetermined length and performing a pre-treatment. A processing step, a plastic working step of forming a spline sliding portion by a press die at the one end side portion, and forming a yoke at the other end opposite to the spline sliding portion. And the step of plasticizing the spline sliding portion and the step of forming the yoke are performed in any order.
【０００９】本発明方法の好適な実施例においては、ヨ
ーク形状加工ステップは、前記中空パイプをレーザ又は
プラズマ等の溶断により形状出しする溶断ステップを有
するものとする。In a preferred embodiment of the method of the present invention, the step of forming a yoke includes a step of cutting the hollow pipe by cutting with a laser or plasma.
【００１０】更に、本発明方法の好適な実施例において
は、ヨーク形状加工ステップは、ヨーク部を拡開する拡
開塑性加工ステップを有するものとする。Further, in a preferred embodiment of the method of the present invention, the yoke shaping step includes an expanding plastic working step for expanding the yoke portion.
【００１１】[0011]
【作用】本発明によれば、従来長さ調整用としてのみ使
用されていた中空パイプ自体の一方の端部にスプライン
摺動部を形成すると同時に、他方の端部を直接ヨークと
して形状加工するため、転造、歯切り、ブローチ加工等
の複雑な加工、及び溶接作業は必要でなく、組付け後の
修正作業が不要となり、加工効率を高め、軽量化をもた
らし、製造コストを低減し、環境汚染の問題も回避され
る。According to the present invention, a spline sliding portion is formed at one end of a hollow pipe itself conventionally used only for length adjustment, and at the same time, the other end is directly shaped as a yoke. Complicated processing such as rolling, gear cutting, broaching, and welding work are not required, and correction work after assembling is unnecessary, improving processing efficiency, reducing weight, reducing manufacturing costs, and reducing environmental costs. The problem of contamination is also avoided.
【００１２】[0012]
【実施例】次に、図面につき本発明の好適な実施例を説
明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.
【００１３】図２に本発明プロペラシャフト製造方法の
第１の実施例をの作業のフローチャートを示す。この第
１の実施例は、塑性加工前処理ステップＡと、スプライ
ン摺動部塑性加工ステップＢと、ヨーク部形状加工ステ
ップＣとよりなる。FIG. 2 is a flowchart showing the operation of the first embodiment of the method for manufacturing a propeller shaft according to the present invention. The first embodiment includes a plastic working pre-processing step A, a spline sliding portion plastic working step B, and a yoke part shaping step C.
【００１４】塑性加工前処理ステップＡにおいては、例
えば、図２に示すように、 １）必要とする強度、耐久性を有する肉厚の中空パイプ
５を所定長さに切断する切断ステップと、 ２）中空パイプ５の切断端部を加工するステップと、 ３）所要に応じて行う熱処理ステップと、 ４）３）と同様に所要に応じて行う表面処理ステップと
が含まれる。In the plastic working pretreatment step A, for example, as shown in FIG. 2, 1) a cutting step of cutting a thick hollow pipe 5 having required strength and durability into a predetermined length; 3) a step of processing the cut end of the hollow pipe 5; 3) a heat treatment step as required; and 4) a surface treatment step as required as in 3).
【００１５】スプライン摺動部塑性加工ステップＢは、
塑性加工前処理ステップＡで得られた所定長さの処理済
み中空パイプ５の一方の端部をプレス金型（図示せず）
に挿入することによりスプライン摺動部６を塑性加工す
る。The plastic working step B of the spline sliding portion is
One end of the processed hollow pipe 5 having a predetermined length obtained in the plastic processing pretreatment step A is pressed into a press mold (not shown).
, The spline sliding portion 6 is plastically worked.
【００１６】ヨーク部形状加工ステップＣは、スプライ
ン摺動部側とは反対側の端部を例えば、機械加工でもよ
いが、好適には、レーザ溶断又はプラズマ溶断によって
ヨーク形状に切り出し、ヨーク部７を形状加工する。In the yoke portion shape processing step C, the end opposite to the spline sliding portion side may be machined, for example, but is preferably cut into a yoke shape by laser fusing or plasma fusing. To shape processing.
【００１７】スプライン摺動部塑性加工ステップＢとヨ
ーク部形状加工ステップＣの工順は逆にしてもよい。The steps of the spline sliding portion plastic working step B and the yoke shape forming step C may be reversed.
【００１８】次に、図３に本発明によるプロペラシャフ
トの製造方法の第２の実施例のフローチャートを示す。
この第２の実施例の場合、ヨーク部形状加工ステップＣ
には、ヨーク部を拡開する拡開塑性加工ステップＣ′を
伴う。Next, FIG. 3 shows a flowchart of a second embodiment of the method for manufacturing a propeller shaft according to the present invention.
In the case of the second embodiment, the yoke portion shape processing step C
Involves an expanding plastic working step C 'for expanding the yoke portion.
【００１９】[0019]
【発明の効果】本発明スプライン製造方法は、従来３個
の部品で構成していたものを１部品から形成するため、
スプライン摺動部６とヨーク７のレース孔の位相ずれが
なくなり、、従来品に見られた位相差による不具合が解
消される。According to the spline manufacturing method of the present invention, what has conventionally been constituted by three parts is formed by one part.
The phase shift between the spline sliding portion 6 and the race hole of the yoke 7 is eliminated, and the problem caused by the phase difference seen in the conventional product is eliminated.
【００２０】また部品接合のための溶接が全く不要であ
るため、溶接に伴う曲がりがなくなり、従って、修正加
工の工程がなくとも、バランス性能が向上し、高速回転
向きのプロペラシャフトを得ることができる。Further, since no welding for joining the parts is required at all, the bending associated with the welding is eliminated, so that the balance performance can be improved and the propeller shaft suitable for high-speed rotation can be obtained without the need for a modification process. it can.
【００２１】更に、素材にパイプ材を使用するため、軽
量化が図られ、ＧＤ2 値（慣性モーメント）の改善や、
燃費の向上にも大きく寄与することができようになる。Further, since the pipe material is used as the material, the weight is reduced, the GD 2 value (moment of inertia) is improved,
This will also contribute significantly to improving fuel efficiency.
【００２２】工数が大幅に低減され、製造効率が向上
し、高いコストパフォーマンスが得られ、また材料の歩
留りが高く資源の節約につながる。The number of steps is greatly reduced, the production efficiency is improved, high cost performance is obtained, and the yield of materials is high, leading to resource saving.
【００２３】更にまた、全体の必要長さは、パイプ切断
によって、またスプラインの長さは、塑性加工の押し出
しストロークを調整することによって簡単に要求に適合
させることができる。Furthermore, the overall required length can be easily adapted to the requirements by cutting the pipe and the length of the spline by adjusting the extrusion stroke of the plastic working.
【図１】従来のプロペラシャフトの製造方法を示す説明
図であり、（ａ）は３個の部品を組付前の状態、（ｂ）
は組付後の状態を示す。1A and 1B are explanatory views showing a conventional method for manufacturing a propeller shaft, in which FIG. 1A shows a state before three parts are assembled, and FIG.
Indicates a state after assembly.
【図２】本発明によるプロペラシャフト製造方法の一実
施例の工程の流れを示すフローチャートである。FIG. 2 is a flowchart showing a process flow of an embodiment of a method for manufacturing a propeller shaft according to the present invention.
【図３】本発明によるプロペラシャフト製造方法の他の
実施例の工程の流れを示すフローチャートである。FIG. 3 is a flowchart showing a process flow of another embodiment of the propeller shaft manufacturing method according to the present invention.
１，５ 中空パイプ ２ スプライン部 ３ ヨーク ４ 接合部 ６ スプライン摺動部 ７ ヨーク部 1,5 hollow pipe 2 spline part 3 yoke 4 joint part 6 spline sliding part 7 yoke part
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B21D 53/86 B21D 53/84 F16C 3/02 B23K 10/00 501 B23K 26/00 320 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) B21D 53/86 B21D 53/84 F16C 3/02 B23K 10/00 501 B23K 26/00 320
Claims (3)
スプライン摺動部を設け、他方の端部にヨークを設ける
雄軸及び雌軸を有するプロペラシャフトの製造方法にお
いて、雄軸用又は雌軸用の中空パイプを所定の長さにし
て前処理を施す塑性加工前処理ステップと、前記一方の
端部側の部分にプレス金型によりスプライン摺動部を形
成するスプライン摺動部塑性加工ステップと、スプライ
ン摺動部とは反対側の他方の端部にヨークを形成するヨ
ーク部形状加工ステップとよりなり、前記スプライン摺
動部塑性加工ステップ及びヨーク部形状加工ステップは
順不同としたことを特徴とするプロペラシャフトの製造
方法。1. A method for manufacturing a propeller shaft having a male shaft and a female shaft, wherein a spline sliding portion fitted to each other at one end and a yoke at the other end is provided. A plastic working pre-processing step of performing a pre-processing by making the hollow pipe for the shaft a predetermined length, and a spline sliding part plastic working step of forming a spline sliding part by a press die on the one end side portion. And a yoke portion forming step of forming a yoke at the other end opposite to the spline sliding portion, wherein the plastic deformation step of the spline sliding portion and the yoke portion forming step are not in order. Manufacturing method of a propeller shaft.
中空パイプをレーザ又はプラズマ等の溶断により形状出
しする溶断ステップを有するものとした請求項１記載の
プロペラシャフトの製造方法。2. The method for manufacturing a propeller shaft according to claim 1, wherein said yoke portion shaping step includes a fusing step of forming the hollow pipe by fusing with a laser or plasma.
ク部を拡開する拡開塑性加工ステップを有するものとし
た請求項１又は２記載のプロペラシャフトの製造方法。3. The method of manufacturing a propeller shaft according to claim 1, wherein said yoke portion forming step includes an expanding plastic working step of expanding a yoke portion.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06286239A JP3100850B2 (en) | 1994-11-21 | 1994-11-21 | Manufacturing method of propeller shaft |
| DE69531225T DE69531225T2 (en) | 1994-10-13 | 1995-03-10 | Manufacturing process for a drive shaft |
| EP95301567A EP0707157B1 (en) | 1994-10-13 | 1995-03-10 | Method of producing a propeller shaft |
| ES95301567T ES2202339T3 (en) | 1994-10-13 | 1995-03-10 | MANUFACTURING PROCEDURE OF A CONTROL AXIS. |
| US08/402,657 US5771737A (en) | 1994-10-13 | 1995-03-13 | Method for producing a propeller shaft |
| US09/006,144 US5919094A (en) | 1994-10-13 | 1998-01-13 | Propeller shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06286239A JP3100850B2 (en) | 1994-11-21 | 1994-11-21 | Manufacturing method of propeller shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08141677A JPH08141677A (en) | 1996-06-04 |
| JP3100850B2 true JP3100850B2 (en) | 2000-10-23 |
Family
ID=17701786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06286239A Expired - Fee Related JP3100850B2 (en) | 1994-10-13 | 1994-11-21 | Manufacturing method of propeller shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3100850B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695246A (en) * | 2015-07-16 | 2017-05-24 | 苏州康富精密机械有限公司 | Tiny bending type stamping part processing technology |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5811213B2 (en) * | 2014-03-03 | 2015-11-11 | 株式会社ジェイテクト | Propeller shaft manufacturing method |
-
1994
- 1994-11-21 JP JP06286239A patent/JP3100850B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695246A (en) * | 2015-07-16 | 2017-05-24 | 苏州康富精密机械有限公司 | Tiny bending type stamping part processing technology |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08141677A (en) | 1996-06-04 |
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