JPH0544735A - Synchronizer ring for synchro-mesh and manufacture thereof - Google Patents
Synchronizer ring for synchro-mesh and manufacture thereofInfo
- Publication number
- JPH0544735A JPH0544735A JP19954591A JP19954591A JPH0544735A JP H0544735 A JPH0544735 A JP H0544735A JP 19954591 A JP19954591 A JP 19954591A JP 19954591 A JP19954591 A JP 19954591A JP H0544735 A JPH0544735 A JP H0544735A
- Authority
- JP
- Japan
- Prior art keywords
- synchronizer ring
- friction clutch
- synchronizer
- face
- conical surface
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
- F16D23/025—Synchro rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は手動変速機における同期
装置のシンクロナイザリング及びその製造方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synchronizer ring for a synchronizing device in a manual transmission and a method for manufacturing the same.
【0002】[0002]
【従来の技術】手動変速機の同期装置は、変速の際に同
期側と被同期側の結合スプラインの回転速度を摩擦力に
よって等しくし、円滑な結合をさせるものである。2. Description of the Related Art A manual transmission synchronizing device equalizes the rotational speeds of the coupling splines on the synchronizing side and the synchronized side by frictional force during a gear shift to achieve a smooth coupling.
【0003】ボルグ・ワーナ式の同期装置においては、
リングの内周に円錐形の摩擦クラッチ面が形成されたシ
ンクロナイザリングが用いられており、同期作動中にそ
の摩擦クラッチ面が被同期歯車の摩擦面に摺接しながら
押圧することで発生する摩擦トルクによって同期が行わ
れる。In the Borg-Warner type synchronizer,
A synchronizer ring with a conical friction clutch surface formed on the inner circumference of the ring is used.The friction torque generated by the friction clutch surface slidingly pressing the friction surface of the synchronized gear during synchronous operation. Synchronization is done by.
【0004】図4は従来のシンクロナイザリングの正面
図、図5は図4のV−V断面図、図6はその要部拡大断
面図である。これらの図に示されるように、従来のシン
クロナイザリング11の内周の摩擦クラッチ面12に
は、被同期歯車に対する摺接面積を規制する等のために
螺旋溝13が凹設されており、螺旋溝13の表面にはモ
リブデン等の溶射金属14が溶射されている。FIG. 4 is a front view of a conventional synchronizer ring, FIG. 5 is a sectional view taken along line VV of FIG. 4, and FIG. 6 is an enlarged sectional view of a main part thereof. As shown in these drawings, a spiral groove 13 is provided on the friction clutch surface 12 on the inner periphery of the conventional synchronizer ring 11 in order to regulate the sliding contact area with the synchronized gear. A sprayed metal 14 such as molybdenum is sprayed on the surface of the groove 13.
【0005】この従来のシンクロナイザリング11の摩
擦クラッチ面12の製造加工にあたっては、先ず内周面
に旋盤加工によって螺旋溝13を形成し、浸炭焼き入れ
の後、モリブデン等の金属溶射を行う。そして最後に螺
旋溝13を修正するために溶射金属14の表面を極く薄
く旋盤加工して仕上げている。In manufacturing the friction clutch surface 12 of the conventional synchronizer ring 11, first, a spiral groove 13 is formed on the inner peripheral surface by lathing, and after carburizing and quenching, metal spraying of molybdenum or the like is performed. And finally, in order to correct the spiral groove 13, the surface of the sprayed metal 14 is finished by lathing very thinly.
【0006】[0006]
【発明が解決しようとする課題】従来のシンクロナイザ
リング11の製造加工において、螺旋溝13の旋盤加工
は比較的加工時間を要し、さらに溶射後に再度仕上げの
旋盤加工が必要であるので、シンクロナイザリング11
の生産性が悪く、その製造コストが高くなるという問題
点があった。In the conventional manufacturing process of the synchronizer ring 11, the lathe machining of the spiral groove 13 requires a relatively long machining time, and further the lathe machining for finishing is required after the thermal spraying. Therefore, the synchronizer ring is required. 11
However, there is a problem in that the productivity is low and the manufacturing cost is high.
【0007】本発明は、この問題点を解決するものであ
り、従来の螺旋溝と同等の摩擦力を有しつつ、生産性を
向上して製造コストの低減を図ったシンクロナイザリン
グを提供することを目的としている。The present invention solves this problem, and provides a synchronizer ring which has the same frictional force as the conventional spiral groove, but which improves productivity and reduces the manufacturing cost. It is an object.
【0008】[0008]
【課題を解決するための手段】上述の目的を達成する本
発明にかかるシンクロナイザリングの構成は、実質的に
円錐面を構成する摩擦クラッチ面が内周に形成された同
期装置のシンクロナイザリングにおいて、円周方向に複
数並設された凹部によって隣合う該凹部の間に凸部が形
成され、前記凹部はシンクロナイザリングの回転軸と平
行に形成される一方、前記複数の凸部の内周面で実質的
に一つの円錐面を構成してそれを摩擦クラッチ面とした
ことを特徴とする。The structure of a synchronizer ring according to the present invention which achieves the above-mentioned object is a synchronizer ring of a synchronizer in which a friction clutch surface which substantially forms a conical surface is formed on the inner circumference. A convex portion is formed between adjacent concave portions by a plurality of concave portions arranged in the circumferential direction, and the concave portion is formed parallel to the rotation axis of the synchronizer ring, while at the inner peripheral surface of the plural convex portions. It is characterized in that substantially one conical surface is formed and used as a friction clutch surface.
【0009】また、上述の目的を達成する本発明にかか
るシンクロナイザリングの製造方法の構成は、実質的に
円錐面を構成する摩擦クラッチ面が内周に形成された同
期装置のシンクロナイザリングの製造方法において、内
周を全周にわたって円錐面に機械加工する工程と、前記
円錐面に円周方向に複数の凹部をシンクロナイザリング
の回転軸と平行な方向に沿ってブローチ加工する工程を
有することを特徴とする。Further, the structure of the method for manufacturing a synchronizer ring according to the present invention which achieves the above-mentioned object is a method for manufacturing a synchronizer ring of a synchronizing device in which a friction clutch surface which substantially forms a conical surface is formed on the inner circumference. In the above, the method has a step of machining an inner circumference into a conical surface over the entire circumference, and a step of broaching a plurality of recesses in the conical surface in a circumferential direction along a direction parallel to the rotation axis of the synchronizer ring. And
【0010】[0010]
【作用】本シンクロナイザリングでは複数の凸部の内周
面が協働して摩擦クラッチ面として機能し、凹部は被同
期歯車の摩擦面に接触しない。これら凸部と凹部の面積
の割合を適宜に決定することによって摩擦クラッチ面の
摩擦力が規制される。凹部はシンクロナイザリングの回
転軸の方向と平行であるので、その方向に沿ってブロー
チ加工によって加工できる。In this synchronizer ring, the inner peripheral surfaces of the plurality of protrusions cooperate to function as a friction clutch surface, and the recesses do not contact the friction surface of the synchronized gear. The frictional force of the friction clutch surface is regulated by appropriately determining the ratio of the areas of the convex portion and the concave portion. Since the recess is parallel to the direction of the rotating shaft of the synchronizer ring, it can be processed by broaching along that direction.
【0011】[0011]
【実施例】以下、本発明の一実施例を図面によって具体
的に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the drawings.
【0012】図1は本発明の一実施例にかかるシンクロ
ナイザリングの正面図、図2は図1のII−II断面
図、図3は図2のIII−III断面図である。FIG. 1 is a front view of a synchronizer ring according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. 3 is a sectional view taken along line III-III of FIG.
【0013】図1乃至3に示されるように、本発明にか
かるシンクロナイザリング21の内周には円周方向に並
んで複数の凹部22が設けられ、これらの凹部22によ
って隣合う凹部22の間に凸部23が形成されている。
すなわち、シンクロナイザリング21の内周は円周方向
に沿ってこれらの凹部22と凸部23とが交互に形成さ
れて凹凸面となっており、本実施例では、凹部22と凸
部23はそれぞれ12箇ずつ設けられている。As shown in FIGS. 1 to 3, a plurality of recesses 22 are provided on the inner circumference of the synchronizer ring 21 according to the present invention so as to be aligned in the circumferential direction, and these recesses 22 are provided between adjacent recesses 22. A convex portion 23 is formed on the bottom.
That is, the inner periphery of the synchronizer ring 21 is an uneven surface in which the concave portions 22 and the convex portions 23 are alternately formed along the circumferential direction, and in the present embodiment, the concave portions 22 and the convex portions 23 are respectively formed. There are 12 each.
【0014】これらの凹部22はシンクロナイザリング
21の回転軸と平行に形成されていて、これらの凹部2
2の底面(内周面)24はそれぞれシンクロナイザリン
グ21の回転軸をその中心軸とする一つの円筒面の一部
を構成している。These recesses 22 are formed parallel to the rotation axis of the synchronizer ring 21, and these recesses 2
The bottom surface (inner peripheral surface) 24 of 2 respectively constitutes a part of one cylindrical surface whose central axis is the rotation axis of the synchronizer ring 21.
【0015】一方、複数の凸部23の内周面25はテー
パー状となっており、それらの内周面25で実質的に一
つの円錐面を構成している。而して、この円錐面はシン
クロナイザリング21の摩擦クラッチ面として機能す
る。従って、このシンクロナイザリング21が図示しな
い同期装置に用いられると、同期作動中に凸部23の内
周面25が相手側同期歯車の摩擦面に摺接しながら押圧
して同期作用を行う一方、凹部22の内周面24は相手
側同期歯車の摩擦面には接触しない。ここで、凹部22
と凸部23の内周面24、25の面積比を適当に選定す
ることによって摩擦クラッチ面の摩擦力を最適なものと
することができる。On the other hand, the inner peripheral surfaces 25 of the plurality of convex portions 23 are tapered, and the inner peripheral surfaces 25 substantially form one conical surface. Thus, this conical surface functions as the friction clutch surface of the synchronizer ring 21. Therefore, when this synchronizer ring 21 is used in a synchronizing device (not shown), the inner peripheral surface 25 of the convex portion 23 presses while slidingly contacting the friction surface of the mating synchronous gear during synchronizing operation, while the concave portion The inner peripheral surface 24 of 22 does not contact the friction surface of the counterpart synchronous gear. Here, the recess 22
By appropriately selecting the area ratio of the inner peripheral surfaces 24, 25 of the convex portions 23, the frictional force on the friction clutch surface can be optimized.
【0016】尚、その他の構成は従来のシンクロナイザ
リングと同様である。The other structure is the same as that of the conventional synchronizer ring.
【0017】このようなシンクロナイザリング21は次
のようにして製造される。すなわち、その内周面の加工
において、先ずシンクロナイザリング21の内周面を全
周にわたって摩擦クラッチ面の円錐面になるように機械
加工する。続いて、その内周面を浸炭焼き入れし、モリ
ブデン等の溶射金属を極く薄く溶射する。最後に、凹部
22をシンクロナイザリング21の回転軸と平行な方向
に沿ってブローチ加工する。Such a synchronizer ring 21 is manufactured as follows. That is, in processing the inner peripheral surface, first, the inner peripheral surface of the synchronizer ring 21 is machined so as to be a conical surface of the friction clutch surface over the entire circumference. Then, the inner peripheral surface is carburized and quenched, and a sprayed metal such as molybdenum is sprayed extremely thinly. Finally, the recess 22 is broached along a direction parallel to the rotation axis of the synchronizer ring 21.
【0018】[0018]
【発明の効果】以上のように、本発明によれば、円周方
向に複数並設された凹部によって隣合う該凹部の間に凸
部を形成し、前記凹部をシンクロナイザリングの回転軸
と平行に形成する一方、前記複数の凸部の内周面で実質
的に一つの円錐面を構成してそれを摩擦クラッチ面とし
たので、これら凸部と凹部の面積の割合を適宜に決定す
ることによって摩擦クラッチ面の摩擦力を規制できると
共に、凹部はシンクロナイザリングの回転軸の方向と平
行であるので、その方向に沿ってブローチ加工によって
加工することができる。ブローチ加工は量産性の富み、
加工コストが低いので、本発明によればシンクロナイザ
リングの生産性が向上してその製造コストを低減させる
ことができる。As described above, according to the present invention, a plurality of recesses arranged in the circumferential direction form a projection between adjacent recesses, and the recess is parallel to the rotating shaft of the synchronizer ring. On the other hand, since the inner peripheral surfaces of the plurality of convex portions substantially form one conical surface and it is used as a friction clutch surface, the ratio of the area of these convex portions to the concave portions should be appropriately determined. The frictional force on the friction clutch surface can be regulated by the concave portion, and since the concave portion is parallel to the direction of the rotating shaft of the synchronizer ring, it can be machined by broaching along that direction. Broaching is highly productive,
Since the processing cost is low, the productivity of the synchronizer ring can be improved and the manufacturing cost thereof can be reduced according to the present invention.
【図1】 本発明の一実施例にかかるシンクロナイザリ
ングの正面図FIG. 1 is a front view of a synchronizer ring according to an embodiment of the present invention.
【図2】 図1のII−II断面図FIG. 2 is a sectional view taken along line II-II of FIG.
【図3】 図1の拡大III−III断面図FIG. 3 is an enlarged III-III sectional view of FIG.
【図4】 従来のシンクロナイザリングの正面図FIG. 4 is a front view of a conventional synchronizer ring.
【図5】 図4のV−V断面図5 is a sectional view taken along line VV of FIG.
【図6】 図5の要部拡大図FIG. 6 is an enlarged view of a main part of FIG.
21はシンクロナイザリング、22は凹部、23は凸
部、24は凹部23の内周面、25は凸部23の内周面
である。Reference numeral 21 is a synchronizer ring, 22 is a concave portion, 23 is a convex portion, 24 is an inner peripheral surface of the concave portion 23, and 25 is an inner peripheral surface of the convex portion 23.
Claims (2)
面が内周に形成された同期装置のシンクロナイザリング
において、円周方向に複数並設された凹部によって隣合
う該凹部の間に凸部が形成され、前記凹部はシンクロナ
イザリングの回転軸と平行に形成される一方、前記複数
の凸部の内周面で実質的に一つの円錐面を構成してそれ
を摩擦クラッチ面としたことを特徴とする同期装置のシ
ンクロナイザリング。1. A synchronizer ring of a synchronizer in which a friction clutch surface that substantially forms a conical surface is formed on the inner circumference, and a plurality of circumferentially arranged concave portions are provided between adjacent concave portions. And the concave portion is formed in parallel with the rotation axis of the synchronizer ring, while the inner peripheral surfaces of the plurality of convex portions substantially form one conical surface, which is used as a friction clutch surface. Characterizing synchronizer synchronizer ring.
面が内周に形成された同期装置のシンクロナイザリング
の製造方法において、内周を全周にわたって円錐面に機
械加工する工程と、前記円錐面に円周方向に複数の凹部
をシンクロナイザリングの回転軸と平行な方向に沿って
ブローチ加工する工程を有することを特徴とする同期装
置のシンクロナイザリングの製造方法。2. A method for manufacturing a synchronizer ring of a synchronizer having a friction clutch surface substantially forming a conical surface on an inner circumference thereof, wherein a step of machining the inner circumference into a conical surface over the entire circumference; A method of manufacturing a synchronizer ring for a synchronizing device, comprising a step of broaching a plurality of concave portions on a surface in a circumferential direction along a direction parallel to a rotation axis of the synchronizer ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19954591A JPH0544735A (en) | 1991-08-08 | 1991-08-08 | Synchronizer ring for synchro-mesh and manufacture thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19954591A JPH0544735A (en) | 1991-08-08 | 1991-08-08 | Synchronizer ring for synchro-mesh and manufacture thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0544735A true JPH0544735A (en) | 1993-02-23 |
Family
ID=16409611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19954591A Pending JPH0544735A (en) | 1991-08-08 | 1991-08-08 | Synchronizer ring for synchro-mesh and manufacture thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0544735A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103354877A (en) * | 2011-02-08 | 2013-10-16 | 谢夫勒科技股份两合公司 | Clutch body and method for producing same |
WO2016165709A1 (en) * | 2015-04-13 | 2016-10-20 | Schaeffler Technologies AG & Co. KG | Synchronizing ring of a synchronizing device, and synchronizing device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5992143A (en) * | 1982-11-15 | 1984-05-28 | Toyota Motor Corp | Manufacture of hollow member having groove on inside circumferential wall |
-
1991
- 1991-08-08 JP JP19954591A patent/JPH0544735A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5992143A (en) * | 1982-11-15 | 1984-05-28 | Toyota Motor Corp | Manufacture of hollow member having groove on inside circumferential wall |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103354877A (en) * | 2011-02-08 | 2013-10-16 | 谢夫勒科技股份两合公司 | Clutch body and method for producing same |
WO2016165709A1 (en) * | 2015-04-13 | 2016-10-20 | Schaeffler Technologies AG & Co. KG | Synchronizing ring of a synchronizing device, and synchronizing device |
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