JP2652823B2 - Manufacturing method of gear shaft - Google Patents
Manufacturing method of gear shaftInfo
- Publication number
- JP2652823B2 JP2652823B2 JP3116676A JP11667691A JP2652823B2 JP 2652823 B2 JP2652823 B2 JP 2652823B2 JP 3116676 A JP3116676 A JP 3116676A JP 11667691 A JP11667691 A JP 11667691A JP 2652823 B2 JP2652823 B2 JP 2652823B2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- gear
- ring member
- flange
- shaft portion
- 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
Description
【０００１】[0001]
【産業上の利用分野】本発明は、一端に内歯歯車が形成
されたギヤ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 for manufacturing a gear shaft having an internal gear formed at one end.
【０００２】[0002]
【従来の技術】自動車におけるエンジンの動力伝達機構
において、図１で示すように、軸部の一端に内歯歯車が
形成されたギヤシャフトが用いられる。従来、このギヤ
シャフトの製造方法は図３で示すように、浸炭鋼（ＳＣ
Ｍ４１５Ｈ等）の軸素材１を太軸部１ａと中間径軸部１
ｂとにプレス成形し、前記中間径軸部１ｂの一端部をさ
らに細軸部１ｃにプレス成形し、前記太軸部１ａの一端
に歯車部２をプレス成形して、この歯車部２に内歯歯車
となるギヤ３を精密鍛造して浸炭焼入れし、機械加工仕
上げを行って完成品としている。 2. Description of the Related Art In a power transmission mechanism of an engine in an automobile, a gear shaft having an internal gear formed at one end of a shaft is used as shown in FIG. Conventionally, a method of manufacturing this gear shaft is shown in FIG.
M415H) and the thick shaft portion 1a and the intermediate diameter shaft portion 1
b, one end of the intermediate-diameter shaft portion 1b is further press-formed to the thin shaft portion 1c, and the gear portion 2 is press-formed to one end of the thick shaft portion 1a. The gear 3 to be a tooth gear is precision forged, carburized and quenched, and machined to obtain a finished product .
【０００３】[0003]
【発明が解決しようとする課題】上記従来の製造方法で
は、多くのプレス成形並びに鍛造工程と設備を要し、ま
た、ギヤシャフト全体が浸炭鋼によるものであるため高
価となり、トータルコストの低減に困難性があった。In the above-mentioned conventional manufacturing method, many press forming and forging steps and equipment are required, and since the entire gear shaft is made of carburized steel, it becomes expensive, so that the total cost can be reduced. There was difficulty.
【０００４】本発明の目的は、上記従来のの問題を解決
したギヤシャフトの製造方法を提供することである。An object of the present invention is to provide a method of manufacturing a gear shaft which solves the above-mentioned conventional problems.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めの本発明の要旨は、浸炭鋼のリング部材と、炭素鋼の
フランジと軸部とからなる接続部材と、機械構造用炭素
鋼等の軸部材との３種類を素材とし、前記リング部材の
内周にギヤを加工して浸炭焼入れする工程と、前記接続
部材のフランジの外周面に前記リング部材の内径が嵌合
する段部を加工して接続部材の軸部と前記軸部材とを溶
接接合する工程と、次いでリング部材を接続部材のフラ
ンジに溶接接合して前記リング部材，接続部材及び軸部
材を機械加工仕上げする工程とを特徴とするものであ
る。SUMMARY OF THE INVENTION To achieve the above object, the gist of the present invention is to provide a ring member made of carburized steel, a connecting member made of a carbon steel flange and a shaft, and a mechanical structure. A shaft member made of carbon steel or the like for use as a material, a step of forming a gear on the inner periphery of the ring member and carburizing and quenching, and an inner diameter of the ring member is fitted to an outer peripheral surface of a flange of the connection member. The step to be processed is processed to melt the shaft of the connecting member and the shaft.
Contacting and joining the ring member to a flange of the connecting member by welding and joining the ring member, the connecting member and the shaft
Machining and finishing the material .
【０００６】[0006]
【作用】上記の構成により、プレス成形並びに鍛造工程
を低減し、かつ素材も強度を必要とする部分のみに浸炭
鋼を採用することができ、従来の製法の問題点を全て解
消する。According to the above construction, the steps of press forming and forging can be reduced, and the carburized steel can be used only for the parts requiring strength of the material, thereby solving all the problems of the conventional production method.
【０００７】[0007]
【実施例】以下本発明方法の実施例を図面に基づいて説
明する。図１は本発明方法によって製造したギヤシャフ
ト１０の完成品である。すなわち、細軸部１ｃ、中間径
軸部１ｂ及び太軸部１ａからなる軸部の前記太軸部１ａ
の一端に内歯歯車のギヤ３を形成した歯車部２が設けら
れ、細軸部１ｃの端部にはスプライン４が施されたもの
である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the method of the present invention will be described below with reference to the drawings. FIG. 1 shows a completed gear shaft 10 manufactured by the method of the present invention. That is, the thick shaft portion 1a of the shaft portion including the thin shaft portion 1c, the intermediate diameter shaft portion 1b, and the thick shaft portion 1a.
Is provided with a gear portion 2 formed with a gear 3 of an internal gear at one end, and a spline 4 is applied to an end portion of the thin shaft portion 1c.
【０００８】そこで、前記ギヤシャフト１０を製造する
において、図２で示すように、浸炭鋼（ＳＣＭ４１５Ｈ
等）のリング部材２ａと、フランジ２ｂと太軸部１ａと
を有する炭素鋼（Ｓ４８Ｃ等）の接続部材５と、機械構
造用炭素鋼（ＳＴＫＭ１７等）の中間径軸部材１ｂとの
３種類の素材を予め製造する。Therefore, in manufacturing the gear shaft 10, as shown in FIG. 2, carburized steel (SCM415H) is used.
) Ring member 2a, a connecting member 5 of carbon steel (S48C or the like) having a flange 2b and a thick shaft portion 1a, and an intermediate diameter shaft member 1b of carbon steel for machine structure (STKM17 or the like). The material is manufactured in advance.
【０００９】前記リング部材２ａは、その内周にギヤ３
を加工する。このギヤ３の加工は、パイプ状態でブロー
チ加工して所定の幅のリング部材２ａに切断してもよい
し、パイプを所定幅で切断してリング部材２ａとし、こ
のリング部材２ａを多数個積み重ねてブローチ加工でギ
ヤ３を形成してもよい。このようにしてギヤ３を形成し
たリング部材２ａを浸炭焼入れする。The ring member 2a has a gear 3 on its inner periphery.
To process. The processing of the gear 3 may be broached in a pipe state and cut into a ring member 2a having a predetermined width, or the pipe may be cut into a ring member 2a having a predetermined width to form a ring member 2a. The gear 3 may be formed by broaching. The ring member 2a on which the gear 3 is formed is carburized and quenched.
【００１０】前記接続部材５は、フランジ２ｂの外周面
に前記リング部材２ａの内径が嵌合する段部２ｃを機械
加工等によって加工する。そして、この接続部材５の太
軸部１ａと中間径軸部材１ｂとの異種材を摩擦溶接ある
いは電子ビーム溶接等によって溶接接合する。The connecting member 5 is formed by machining a step 2c into which the inner diameter of the ring member 2a is fitted on the outer peripheral surface of the flange 2b. Then, welding the dissimilar material of the thick shaft portion 1a and the intermediate-diameter shaft member 1b of the connecting member 5 by friction welding or electron beam welding or the like.
【００１１】次いで、内歯歯車のギャ３を形成し、かつ
浸炭焼入れしたリング部材２ａを前記接続部材５のフラ
ンジ２ｂの段部２ｃに嵌合して摩擦溶接あるいは電子ビ
ーム溶接等によって溶接接合する。[0011] Then, a gears 3 of the internal gear, and a carburized hardened ring member 2a and fitted to the stepped portion 2c of the flange 2b of the connecting member 5 is welded by friction welding or electron beam welding, etc. .
【００１２】その後、機械加工によってリング部材２
ａ、フランジ２ｂ、太軸部１ａ及び中間径軸部１ｂを仕
上げ加工し、必要によって中間径軸部１ｂの一部を細軸
部１ｃに加工して完成品とするのである。Then, the ring member 2 is machined.
a, the flange 2b, the thick shaft portion 1a and the intermediate diameter shaft portion 1b are finished, and if necessary, a part of the intermediate diameter shaft portion 1b is processed into a thin shaft portion 1c to obtain a finished product.
【００１３】[0013]
【発明の効果】以上のように本発明によると、強度を必
要とする内歯歯車のギヤが形成されるリング部材のみを
浸炭鋼を用い、フランジと軸部とからなる接続部材及び
軸部材は炭素鋼、機械構造用炭素鋼のグレードの低い素
材を使用することができるので、コストの低減が得られ
る。さらに、リング部材，接続部材及び軸部材の各部材
の接合は溶接による金属接合であるため、強度，信頼性
に優れていると共に、内歯歯車のギヤが形成されるリン
グ部材は接続部材のフランジと、このフランジ面に形成
された段部に嵌合して溶接接合されるため、リング部材
は接続部材及び軸部材の軸心と、この軸心に対して直角
な面内で精度よく位置決めされ、高精度で小型化された
ギヤシャフトを提供することができる利点を有してい
る。 As described above, according to the present invention, only the ring member on which the gear of the internal gear requiring the strength is formed is made of carburized steel, and the connecting member consisting of the flange and the shaft is provided.
Since the shaft member can be made of a low-grade material such as carbon steel or carbon steel for machine structural use, the cost can be reduced. Furthermore, each member of a ring member, a connecting member, and a shaft member
Joining is metal joining by welding, so strength and reliability
And a ring that forms an internal gear
The connecting member is formed on the flange of the connecting member and this flange surface.
The ring member is fitted and welded to the step
Is perpendicular to the axis of the connecting member and the shaft member
Positioning with high precision in a plane, high precision and miniaturization
Has the advantage that can provide gear shaft
You.
【００１４】また、リング部材の内周に形成するギヤ
は、パイプ状の素材または所要幅に切断したリング部材
を多数個積み重ねてブローチ加工によって内歯歯車を作
ることが可能となり、精度のよい内歯歯車を量産するこ
とができ、従来のように、多数のプレス成形工程と精密
鍛造並びにそのための高価な特殊設備が不要となる利点
を有している。The gear formed on the inner periphery of the ring member can form an internal gear by broaching by stacking a large number of pipe-shaped materials or ring members cut to a required width. Tooth gears can be mass-produced, which has the advantage of eliminating the need for a large number of press forming steps and precision forging and expensive special equipment therefor.
【図１】本発明方法によって製造したギヤシャフトの斜
視図FIG. 1 is a perspective view of a gear shaft manufactured by the method of the present invention.
【図２】本発明方法の説明図FIG. 2 is an explanatory diagram of the method of the present invention.
【図３】従来のギヤシャフトの製造方法の説明図FIG. 3 is an explanatory view of a conventional gear shaft manufacturing method.
１ａ 太軸部 １ｂ 中間径軸部 １ｃ 細軸部 ２ 歯車部 ２ａ リング部材 ２ｂ フランジ ２ｃ 段部 ３ ギヤ ５ 接続部材 １０ ギヤシャフト 1a thick shaft portion 1b intermediate diameter shaft portion 1c thin shaft portion 2 gear portion 2a ring member 2b flange 2c step portion 3 gear 5 connection member 10 gear shaft
Claims (1)
ジと軸部とからなる接続部材と、機械構造用炭素鋼等の
軸部材との３種類を素材とし、前記リング部材の内周に
ギヤを加工して浸炭焼入れする工程と、前記接続部材の
フランジの外周面に前記リング部材の内径が嵌合する段
部を加工して接続部材の軸部と前記軸部材とを溶接接合
する工程と、次いでリング部材を接続部材のフランジに
溶接接合して前記リング部材，接続部材及び軸部材を機
械加工仕上げする工程とを特徴とするギヤシャフトの製
造方法。A ring member made of a carburized steel ring member, a connecting member composed of a carbon steel flange and a shaft portion, and a shaft member made of carbon steel for machine structural use. Machining a gear on the inner periphery of the member and carburizing and quenching, and machining a step portion in which the inner diameter of the ring member fits on the outer peripheral surface of the flange of the connection member, and forming the shaft portion of the connection member and the shaft member. a step of welding and then the flange of the connecting member to the ring member
And mechanically finishing the ring member, the connecting member and the shaft member by welding .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3116676A JP2652823B2 (en) | 1991-04-22 | 1991-04-22 | Manufacturing method of gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3116676A JP2652823B2 (en) | 1991-04-22 | 1991-04-22 | Manufacturing method of gear shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04322915A JPH04322915A (en) | 1992-11-12 |
| JP2652823B2 true JP2652823B2 (en) | 1997-09-10 |
Family
ID=14693126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3116676A Expired - Fee Related JP2652823B2 (en) | 1991-04-22 | 1991-04-22 | Manufacturing method of gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2652823B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037307A (en) * | 2020-01-15 | 2020-04-21 | 东阳阿语机械科技有限公司 | Gear machining and manufacturing equipment |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001198731A (en) * | 2000-01-19 | 2001-07-24 | Tamagawa Seiki Co Ltd | Method of manufacturing for gear |
| KR100598484B1 (en) * | 2004-09-03 | 2006-07-11 | (주)애드테크 | Pivot for Gear |
| CN106378594A (en) * | 2016-11-17 | 2017-02-08 | 奇精机械股份有限公司 | Preparing method for automobile chain wheel |
| CN106514167A (en) * | 2016-12-22 | 2017-03-22 | 重庆市江津区恩聪机械厂 | Knife rest shaft and machining process thereof |
| CN110227914B (en) * | 2019-05-27 | 2022-07-12 | 郑州机械研究所有限公司 | High-precision machining method for gear shaft of high-speed wire finishing mill group |
| CN111633390A (en) * | 2020-06-29 | 2020-09-08 | 惠州市金箭精密部件有限公司 | Gear shaft machining process |
| CN111791029A (en) * | 2020-07-09 | 2020-10-20 | 赣州群星机械有限公司 | Processing technology of durable low-carbon steel spline plug gauge |
| CN111993000A (en) * | 2020-07-21 | 2020-11-27 | 湖北隐冠轴业有限公司 | Machining method for symmetrical stepped gear shaft of automobile |
| CN113829136B (en) * | 2021-10-27 | 2022-12-09 | 成都青山实业有限责任公司 | Machining method suitable for hollow thin-wall gear shaft |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6288521A (en) * | 1985-10-11 | 1987-04-23 | Kobe Steel Ltd | Toothed composite shaft body |
| JP2508504Y2 (en) * | 1987-12-28 | 1996-08-28 | 三菱重工業株式会社 | Multiple gear structure |
-
1991
- 1991-04-22 JP JP3116676A patent/JP2652823B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037307A (en) * | 2020-01-15 | 2020-04-21 | 东阳阿语机械科技有限公司 | Gear machining and manufacturing equipment |
| CN111037307B (en) * | 2020-01-15 | 2020-12-04 | 安徽持家汉家居工艺品有限公司 | Gear machining and manufacturing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04322915A (en) | 1992-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |