JP2904418B2 - Spline tooth profile of flexible mesh gears - Google Patents
Spline tooth profile of flexible mesh gearsInfo
- Publication number
- JP2904418B2 JP2904418B2 JP63214249A JP21424988A JP2904418B2 JP 2904418 B2 JP2904418 B2 JP 2904418B2 JP 63214249 A JP63214249 A JP 63214249A JP 21424988 A JP21424988 A JP 21424988A JP 2904418 B2 JP2904418 B2 JP 2904418B2
- Authority
- JP
- Japan
- Prior art keywords
- tooth
- spline
- tooth profile
- flex spline
- spline tooth
- 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 - Lifetime
Links
Landscapes
- Retarders (AREA)
- Gears, Cams (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は撓み噛み合い式歯車装置のフレックススプラ
インの改良に関する。Description: FIELD OF THE INVENTION The present invention relates to an improvement in a flex spline of a flexion gear device.
［従来技術とその問題点］ カップ型フレックススプラインを有する撓み噛み合い
式歯車装置は、ウエーブ・ジェネレータによって、例え
ば、楕円形に撓められるため、短軸では端部に向けて半
径方向内側にすぼめられ、他方長軸では端部に向けて半
径方向外側に拡げられてサーキュラスプラインの内歯に
噛み合うように構成されている。このように、フレック
ススプラインはウエーブ・ジェネレータによる楕円形の
長軸上において端部に向けて半径方向外側に拡げられる
ので、フレックススプラインのスプライン外歯が、サー
キュラスプラインの内歯に対して、歯すじ方向の中央で
は十分な噛み合いを期待できるが、その内側の端部でも
外側の端部でも噛み合いにずれが生ずることが判った。
このずれは、フレックススプラインの歯にとって、トル
クの伝達の効率を低くし、歯の干渉を生じ、また異常摩
耗、偏摩耗が生じ、撓み噛み合い式歯車装置にとって望
ましくない。[Related Art and its Problems] A flexing gear system having a cup-type flex spline is flexed by a wave generator, for example, in an elliptical shape, so that the short axis is narrowed radially inward toward an end. On the other hand, on the other hand, the long axis is expanded radially outward toward the end so as to mesh with the internal teeth of the circular spline. In this way, the flex spline is extended radially outward toward the end on the major axis of the ellipse by the wave generator, so that the outer spline teeth of the flex spline are aligned with the inner teeth of the circular spline. Although sufficient meshing can be expected at the center of the direction, it has been found that meshing shifts at both the inner end and the outer end.
This shift reduces the torque transmission efficiency for the flex spline teeth, causes tooth interference, and causes abnormal wear and uneven wear, which is undesirable for a flex meshing gear system.
そこで、カップ状フレックススプラインの歯にクラウ
ニング加工を施して歯すじ方向の歯幅を修正し、上記の
如き異常噛み合いを回避することが提案された。例え
ば、実開昭62−96148号公報を参照されたい。Therefore, it has been proposed to apply crowning to the teeth of the cup-shaped flex spline to correct the tooth width in the tooth streak direction, thereby avoiding the abnormal meshing as described above. For example, see Japanese Utility Model Laid-Open No. 62-96148.
しかしながら、クラウニング加工はしぼり加工である
ため厄介であり、また、クラウニングでは歯面に平らな
面がなくなり、高トルク時にサーキュラスプラインとフ
レックススプラインの歯すじ面が一致したときにかえっ
て歯面の面圧が高くなるおそれがあった。更に、本発明
者は実験によって、歯の干渉さえなければクラウニング
加工は不要であることを知った。However, crowning is troublesome due to squeezing.In addition, crowning loses a flat surface on the tooth surface, and when the tooth surface of the circular spline and the flex spline coincide with each other at high torque, the surface pressure of the tooth surface is rather reduced. Was likely to increase. In addition, the inventor has learned from experiments that crowning is not required unless there is tooth interference.
［発明の目的］ したがって、本発明の目的は撓み噛み合い式歯車装置
作動時のカップ状フレックススプラインの半径方向の変
形によるスプライン歯の異常な噛み合いを原因とする干
渉をクラウニングによらずに防ぐことのできることを目
的とする。[Object of the Invention] Accordingly, an object of the present invention is to prevent interference caused by abnormal meshing of spline teeth due to radial deformation of a cup-shaped flex spline during operation of a flexion gearing system, without relying on crowning. The purpose is to be able to do it.
［発明の構成］ この目的を達成すべく、本発明は、カップ形状フレッ
クススプラインを有する撓み噛み合い式歯車装置におい
て、フレックススプラインの各歯に歯すじ方向の端部で
エンドリリーフ加工を施した歯形が形成されたことを特
徴とする撓み噛み合い式歯車装置を提供する。[Constitution of the Invention] In order to achieve this object, the present invention relates to a flexible meshing gear device having a cup-shaped flex spline, wherein a tooth profile in which each tooth of the flex spline is subjected to end relief processing at an end portion in a tooth trace direction is provided. A flex-meshing gear device characterized in that it is formed.
［実施例］ 以下、添付図面を参照しながら本発明を実施例によっ
て説明する。[Examples] Hereinafter, the present invention will be described by examples with reference to the accompanying drawings.
図面において、ここにはカップ状フレックススプライ
ン10の１つのスプライン歯12のみが断片的に示してあ
る。しかしながら、このようなスプライン歯12がフレッ
クススプライン10の周方向に多数個設けてあることは了
解されたい。In the drawing, only one spline tooth 12 of the cup-shaped flex spline 10 is shown in a fragmentary manner. However, it should be understood that many such spline teeth 12 are provided in the circumferential direction of the flex spline 10.
スプライン歯12は歯すじ方向の端部のところでエンド
リリーフ加工を施してあり、歯すじ方向の中央部14の頂
面は平らな面となっているが、端部16では角度αで示す
ようにこの頂面は傾斜している。また、スプライン歯12
の噛み合い面も横方向に傾斜している。The spline teeth 12 have been subjected to end relief processing at the end in the tooth lead direction, and the top surface of the central part 14 in the tooth lead direction is a flat surface, but at the end part 16 as shown by the angle α. This top surface is inclined. Also, spline teeth 12
Are also inclined laterally.
［発明の効果］ こうして、スプライン歯にエンドリリーフ加工を施す
という簡単な加工によって、歯面に平面を残し、また端
部でのスプライン歯の干渉もなくしているので、撓み噛
み合い式歯車装置作動時にも歯面の干渉を防止でき、し
かも歯面の強度も確保できる。[Effects of the Invention] In this manner, the simple processing of performing the end relief processing on the spline teeth leaves a flat surface on the tooth surface and eliminates the interference of the spline teeth at the ends, so that when the flexible meshing gear device is operated. Can also prevent interference between the tooth surfaces, and also ensure the strength of the tooth surfaces.
第１図は本発明によるフレックススプラインの断片縦断
面図、第２図は第１図に示すスプライン歯の平断面図で
ある。 ［符号の説明］ 10……フレックススプライン 12……スプライン歯 14……中央部 16……端部FIG. 1 is a fragmentary longitudinal sectional view of a flex spline according to the present invention, and FIG. 2 is a plan sectional view of the spline teeth shown in FIG. [Explanation of Signs] 10: Flex spline 12: Spline teeth 14: Central part 16: End part
Claims (1)
撓み噛み合い式歯車装置において、フレックススプライ
ンの各歯には歯すじ方向の端部にエンドリリーフ加工が
施されて、各歯の歯面形状は、中央の平坦面部分と、当
該平坦面部分の歯すじ方向の両端に連続している平坦な
傾斜面とを備えた形状をしており、各歯の歯先面形状
は、中央の平坦面部分と、当該平坦面部分の歯すじ方向
の両端に連続している平坦な傾斜面とを備えた形状をし
ていることを特徴とする撓み噛み合い式歯車装置。In a flexible meshing gear device having a cup-shaped flex spline, each tooth of the flex spline is subjected to end relief processing at the end in the direction of the tooth trace, and the tooth surface shape of each tooth is set at the center. It has a flat surface portion and a flat inclined surface that is continuous at both ends in the tooth trace direction of the flat surface portion, and the tooth tip shape of each tooth is a central flat surface portion, A flexible meshing gear device, characterized in that the flat surface portion has a shape having a flat inclined surface that is continuous with both ends in the tooth trace direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63214249A JP2904418B2 (en) | 1988-08-29 | 1988-08-29 | Spline tooth profile of flexible mesh gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63214249A JP2904418B2 (en) | 1988-08-29 | 1988-08-29 | Spline tooth profile of flexible mesh gears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0262461A JPH0262461A (en) | 1990-03-02 |
| JP2904418B2 true JP2904418B2 (en) | 1999-06-14 |
Family
ID=16652639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63214249A Expired - Lifetime JP2904418B2 (en) | 1988-08-29 | 1988-08-29 | Spline tooth profile of flexible mesh gears |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2904418B2 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3937240A1 (en) * | 1989-11-09 | 1991-05-16 | Albert Blum | GROUND EFFECT VEHICLE |
| JP3739017B2 (en) | 1995-12-15 | 2006-01-25 | 株式会社ハーモニック・ドライブ・システムズ | Flexible meshing gear system with non-interfering wide meshing teeth |
| JP3942249B2 (en) | 1997-11-28 | 2007-07-11 | 株式会社ハーモニック・ドライブ・システムズ | Flexible meshing gear system having a three-dimensional non-interfering wide-area meshing tooth profile |
| US8043023B2 (en) | 2003-08-07 | 2011-10-25 | Honda Motor Co., Ltd. | Power transmission mechanism of shaft and hub |
| US7972078B2 (en) | 2003-08-07 | 2011-07-05 | Honda Motor Co., Ltd. | Power transmission mechanism of shaft and hub |
| JP2009204002A (en) * | 2008-02-26 | 2009-09-10 | Konica Minolta Business Technologies Inc | Coupling and image formation device |
| JP5639992B2 (en) * | 2011-12-08 | 2014-12-10 | 住友重機械工業株式会社 | Bending gear system |
| JP6537544B2 (en) * | 2017-02-20 | 2019-07-03 | 株式会社川辺製作所 | Resin gear and method of manufacturing the same |
| JP6951086B2 (en) * | 2017-02-24 | 2021-10-20 | 東洋電機製造株式会社 | Gear device for railway vehicles with parallel cardan drive system |
| JP6886415B2 (en) * | 2018-02-23 | 2021-06-16 | 住友重機械工業株式会社 | Gear device series, how to build a series of gear devices, and how to manufacture a group of gear devices |
| JP7214499B2 (en) * | 2019-02-20 | 2023-01-30 | 株式会社Ijtt | Sliding spline structure for vehicle powertrain |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6296148U (en) * | 1985-12-05 | 1987-06-19 |
-
1988
- 1988-08-29 JP JP63214249A patent/JP2904418B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0262461A (en) | 1990-03-02 |
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