JPH09123021A - Face gear, its manufacturing device and method - Google Patents

Face gear, its manufacturing device and method

Info

Publication number
JPH09123021A
JPH09123021A JP28394695A JP28394695A JPH09123021A JP H09123021 A JPH09123021 A JP H09123021A JP 28394695 A JP28394695 A JP 28394695A JP 28394695 A JP28394695 A JP 28394695A JP H09123021 A JPH09123021 A JP H09123021A
Authority
JP
Japan
Prior art keywords
axis
cutting member
face gear
gear
molding material
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
Application number
JP28394695A
Other languages
Japanese (ja)
Inventor
Osamu Ogawa
修 小川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuj Hensokuki Co Ltd
Original Assignee
Fuj Hensokuki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuj Hensokuki Co Ltd filed Critical Fuj Hensokuki Co Ltd
Priority to JP28394695A priority Critical patent/JPH09123021A/en
Publication of JPH09123021A publication Critical patent/JPH09123021A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F15/00—Methods or machines for making gear wheels of special kinds not covered by groups B23F7/00 - B23F13/00
    • B23F15/06—Making gear teeth on the front surface of wheels, e.g. for clutches or couplings with toothed faces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)
  • Gears, Cams (AREA)

Abstract

PROBLEM TO BE SOLVED: To make a face gear rotate smoothly. SOLUTION: A face gear 11 is formed in a disc shape and the periphery of a flat area 13 thereof is provided with a gear cutting part 14, which is protruding from the flat area 13, so that it may extend in an annulus ring shape. The gear cutting part 14 is provided with a plurality of meshing teeth 15 in the circumferential direction, while respective meshing teeth 15 extend in parallel to the flat area 14 and respectively incline in an equiangular degree to the outer circumference of the face gear 11. The meshing teeth 15 are curved so that they may be in a protruded shape toward the arrow mark W direction. Inclined tooth gears 64 fitted to an output shaft 63 of an electric motor mesh with meshing teeth 15 of the face gear 11. Under this situation, three meshing teeth 65 of the inclined tooth gears 64 respectively contact with three meshing gears 15 of the face gear 11. When the electric motor is driven and the output shaft 63 is rotated so that its axis may become the center, the three meshing gears 15, 65 mutually contact each other at respectively different positions at all times.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、フェースギヤ及び
その製造装置並びにそ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 face gear, a manufacturing apparatus therefor, and a manufacturing method therefor.

【０００２】[0002]

【従来の技術】従来より、例えば電動モータの出力軸
を、その出力軸と直交する方向へ延びる従動軸に連結す
るための歯車としては、図１０に示すフェースギヤ７１
が提案されている。このフェースギヤ７１は円板状に形
成され、フェースギヤ７１の中心部には同フェースギヤ
７１を従動軸７２に取り付けるための取付孔７３が設け
られている。又、フェースギヤ７１における平坦面７４
の外縁部には、その平坦面７４から突出する歯切部７５
が円環状に延びるように設けられている。歯切部７５に
は従動側噛合歯７６が周方向に沿って多数設けられ、各
従動側噛合歯７６はフェースギヤ７１の軸線Ｌ１と直交
する方向へ延びている。2. Description of the Related Art Conventionally, as a gear for connecting an output shaft of an electric motor to a driven shaft extending in a direction orthogonal to the output shaft, a face gear 71 shown in FIG.
Has been proposed. The face gear 71 is formed in a disc shape, and an attachment hole 73 for attaching the face gear 71 to the driven shaft 72 is provided at the center of the face gear 71. In addition, the flat surface 74 of the face gear 71
At the outer edge of the toothed portion 75 protruding from the flat surface 74.
Are provided so as to extend in an annular shape. A large number of driven side meshing teeth 76 are provided in the gear cutting portion 75 along the circumferential direction, and each driven side meshing tooth 76 extends in a direction orthogonal to the axis L1 of the face gear 71.

【０００３】前記従動軸７２と直交する方向へ延びる電
動モータの出力軸７７には平歯車７８が取り付けられ、
平歯車７８の外周面には前記フェースギヤ７１の従動側
噛合歯７６と噛み合う駆動側噛合歯７９が複数設けられ
ている。電動モータの駆動により出力軸７７を回転させ
ると、図１１に示すように平歯車７８の各駆動側噛合歯
７９が一つずつフェースギヤ７１における各従動側噛合
歯７６の一つ一つに押し付けられる。即ち、複数の駆動
側噛合歯７９が同時に、複数の従動側噛合歯７６へ押し
付けられることがないようになっている。そして、前記
各駆動側噛合歯７９が各従動側噛合歯７６に対して順次
押し付けられることにより、フェースギヤ７１が軸線Ｌ
１を中心に回転する。A spur gear 78 is attached to an output shaft 77 of an electric motor extending in a direction orthogonal to the driven shaft 72.
A plurality of drive side meshing teeth 79 that mesh with the driven side meshing teeth 76 of the face gear 71 are provided on the outer peripheral surface of the spur gear 78. When the output shaft 77 is rotated by the drive of the electric motor, as shown in FIG. 11, the drive-side meshing teeth 79 of the spur gear 78 are pressed against the driven-side meshing teeth 76 of the face gear 71 one by one. To be That is, the plurality of drive side meshing teeth 79 are prevented from being pressed against the plurality of driven side meshing teeth 76 at the same time. Then, the drive-side meshing teeth 79 are sequentially pressed against the driven-side meshing teeth 76, whereby the face gear 71 is moved to the axis L.
Rotate around 1.

【０００４】上記フェースギヤ７１を製造するための製
造装置は、図１２，図１３に示す取付軸８０とピニオン
カッタ８１とが設けられている。ピニオンカッタ８１は
丸棒状に形成され、ピニオンカッタ８１の軸線は取付軸
８０の軸線と直交している。又、ピニオンカッタ８１の
下端部外周面には、周方向に沿って複数の切削刃８２が
設けられている。このピニオンカッタ８１は、その軸線
を中心に回転するとともに、前記軸線に沿って往復移動
するようになっている。A manufacturing apparatus for manufacturing the face gear 71 is provided with a mounting shaft 80 and a pinion cutter 81 shown in FIGS. 12 and 13. The pinion cutter 81 is formed in a round bar shape, and the axis of the pinion cutter 81 is orthogonal to the axis of the mounting shaft 80. Further, a plurality of cutting blades 82 are provided on the outer peripheral surface of the lower end portion of the pinion cutter 81 along the circumferential direction. The pinion cutter 81 is configured to rotate about its axis and reciprocate along the axis.

【０００５】前記取付軸８０はその軸線を中心に回転可
能となっており、取付軸８０には円板状に形成された成
形素材８３が取り付けられるようになっている。この成
形素材８３の中心部には取付孔７３が設けられ、その取
付孔７３を取付軸８０が貫通することにより、成形素材
８３が取付軸８０に取り付けられている。又、成形素材
８３の平坦面７４には、同平坦面７４から突出する歯切
部７５が円環状に延びるように設けられている。この歯
切部７５は前記ピニオンカッタ８１の下方に位置してい
る。The mounting shaft 80 is rotatable about its axis, and a disk-shaped molding material 83 is mounted on the mounting shaft 80. An attachment hole 73 is provided in the center of the molding material 83, and the attachment shaft 80 penetrates the attachment hole 73 to attach the molding material 83 to the attachment shaft 80. Further, the flat surface 74 of the molding material 83 is provided with a toothed portion 75 protruding from the flat surface 74 so as to extend in an annular shape. The gear cutting portion 75 is located below the pinion cutter 81.

【０００６】そして、フェースギヤ７１を形成するに
は、取付軸８０を回転させることにより、成形素材８３
をその軸線Ｌ１が中心となるように回転させる。又、ピ
ニオンカッタ８１をその軸線が中心となるように回転さ
せるとともに、前記軸線方向へ往復移動させる。する
と、成形素材８３の歯切部７５がピニオンカッタ８１の
各切削刃８２によって切削される。その結果、歯切部７
５には従動側噛合歯７６が周方向に沿って複数形成さ
れ、歯切部７５に従動側噛合歯７６が形成されることに
より図１０に示すフェースギヤ７１が形成される。To form the face gear 71, the mounting shaft 80 is rotated to form the molding material 83.
Is rotated so that its axis L1 becomes the center. Further, the pinion cutter 81 is rotated so that its axis is the center and is reciprocated in the axial direction. Then, the tooth cutting portion 75 of the forming material 83 is cut by each cutting blade 82 of the pinion cutter 81. As a result, the gear cutting 7
5, a plurality of driven side meshing teeth 76 are formed along the circumferential direction, and the driven side meshing teeth 76 are formed in the gear cutting portion 75, whereby the face gear 71 shown in FIG. 10 is formed.

【０００７】[0007]

【発明が解決しようとする課題】ところが、上記フェー
スギヤ７１では、平歯車７８の各駆動側噛合歯７９が一
つずつフェースギヤ７１における各従動側噛合歯７６の
一つ一つに押し付けられる。そのため、所定の駆動側噛
合歯７９が従動側噛合歯７６に押し付けられてから、前
記駆動側噛合歯７９の隣に位置する駆動側噛合歯７９が
従動側噛合歯７６に押し付けられるまでの間はフェース
ギヤ７１の回転速度が遅くなる。そして、回転速度が遅
くなったフェースギヤ７１は、駆動側噛合歯７９が従動
側噛合歯７６に押し付けられた時に回転速度が速くな
る。従って、フェースギヤ７１の回転速度が遅くなった
り速くなったりするため、フェースギヤ７１を滑らかに
回転させることができないという問題があった。However, in the face gear 71, the drive side meshing teeth 79 of the spur gear 78 are pressed one by one against the driven side meshing teeth 76 of the face gear 71. Therefore, from the time when the predetermined driving side meshing tooth 79 is pressed against the driven side meshing tooth 76 until the driving side meshing tooth 79 located adjacent to the driving side meshing tooth 79 is pressed to the driven side meshing tooth 76. The rotation speed of the face gear 71 becomes slow. Then, the rotational speed of the face gear 71, which has become slower, becomes faster when the drive side meshing tooth 79 is pressed against the driven side meshing tooth 76. Therefore, the rotation speed of the face gear 71 becomes slower or faster, which causes a problem that the face gear 71 cannot be smoothly rotated.

【０００８】本発明は上記問題点を解決するためになさ
れたものであって、第１の目的は、フェースギヤの回転
を滑らかにすることにある。又、第２の目的は、噛合歯
を湾曲させることにある。The present invention has been made to solve the above problems, and a first object thereof is to smooth the rotation of the face gear. The second purpose is to bend the meshing teeth.

【０００９】更に、第３の目的は、第１の回転軸を容易
に周方向へ進角させることができるようにすることにあ
る。A third object is to make it possible to easily advance the first rotation shaft in the circumferential direction.

【００１０】[0010]

【課題を解決するための手段】上記目的を達成させるた
め、請求項１記載の発明では、特に、各噛合歯を本体の
外周面に対しそれぞれが等角度で傾斜して延びるように
形成し、その各噛合歯を同噛合歯の延びる方向に対して
湾曲させた。In order to achieve the above object, in the invention according to claim 1, in particular, each meshing tooth is formed so as to extend at an equal angle to the outer peripheral surface of the main body, The respective meshing teeth were curved in the direction in which the meshing teeth extend.

【００１１】請求項２記載の発明では、特に、成形素材
が取り付けられ、同成形素材をその軸線が中心となるよ
うに回転させる第１の回転軸と、円板状に形成されると
ともに外周面に前記成形素材の平坦面を切削するための
複数の切削刃が設けられた切削部材と、前記切削部材が
取り付けられ、同切削部材をその軸線が中心となるよう
に回転させるとともに、前記切削部材の厚さ方向中心を
通過して同切削部材の軸線と直交する面が前記成形素材
の軸線と直交する直線に対して重ならないように配置さ
れた第２の回転軸と、前記切削部材の中心が成形素材の
軸線に対して接近又は離間するように第１の回転軸と第
２の回転軸とを相対移動させる送り手段と、前記第１の
回転軸の一回転に対し、第１の回転軸を周方向へ所定量
進角させる進角手段とを備えた。According to a second aspect of the present invention, in particular, a molding material is attached, a first rotating shaft for rotating the molding material so that its axis is the center, and a disk-shaped outer peripheral surface. A cutting member provided with a plurality of cutting blades for cutting the flat surface of the forming material, and the cutting member is attached, and the cutting member is rotated so that its axis is the center, and the cutting member is Of the cutting member and a second rotation shaft arranged so that a surface passing through the center of the thickness direction of the cutting member and orthogonal to the axis of the cutting member does not overlap a straight line orthogonal to the axis of the forming material, and the center of the cutting member. Feeding means for relatively moving the first rotating shaft and the second rotating shaft so that the first rotating shaft and the second rotating shaft move toward or away from the axis of the forming material; and a first rotation with respect to one rotation of the first rotating shaft. Advance hand that advances the shaft in the circumferential direction by a predetermined amount With the door.

【００１２】請求項３記載の発明では、前記進角手段
は、第１の回転軸と第２の回転軸との相対移動に基づい
て第１の回転軸を周方向へ所定量進角させる差動歯車装
置とした。According to a third aspect of the present invention, the advance means is a difference for advancing the first rotating shaft by a predetermined amount in the circumferential direction based on the relative movement of the first rotating shaft and the second rotating shaft. It was a dynamic gear device.

【００１３】請求項４記載の発明では、特に、成形素材
をその軸線が中心となるように回転させ、円板状に形成
されるとともに外周面に成形素材の平坦面を切削するた
めの複数の切削刃が設けられた切削部材を、その切削部
材の厚さ方向中心を通過して同切削部材の軸線と直交す
る面が前記成形素材の軸線と直交する直線に対して重な
らないように配置し、前記切削部材をその軸線が中心と
なるように回転させるとともに、切削部材の中心と成形
素材の軸線とが接近又は離間するように切削部材と成形
素材とを相対移動させ、更に成形素材の一回転に対して
同成形素材を周方向へ所定量進角させるようにした。According to the fourth aspect of the present invention, in particular, the molding material is rotated so that its axis is the center, and is formed into a disk shape, and a plurality of surfaces for cutting the flat surface of the molding material on the outer peripheral surface are formed. The cutting member provided with a cutting blade is arranged so that the plane that passes through the center of the cutting member in the thickness direction and that is orthogonal to the axis of the cutting member does not overlap the straight line that is orthogonal to the axis of the forming material. While rotating the cutting member so that its axis is the center, the cutting member and the forming material are relatively moved so that the center of the cutting member and the axis of the forming material come close to or apart from each other. The molding material is advanced in the circumferential direction by a predetermined amount with respect to the rotation.

【００１４】即ち、請求項１記載の発明では、フェース
ギヤの噛合歯には斜歯歯車の噛合歯が噛み合わされる。
この状態では、斜歯歯車における複数の噛合歯が、フェ
ースギヤにおける複数の噛合歯に対してそれぞれ異なる
位置で接触する。そして、斜歯歯車を回転させると、斜
歯歯車における複数の噛合歯が常にフェースギヤにおけ
る複数の噛合歯に対してそれぞれ異なる位置に押し付け
られた状態となり、その押し付けによってフェースギヤ
が回転される。That is, according to the first aspect of the present invention, the meshing teeth of the face gear are meshed with the meshing teeth of the helical gear.
In this state, the plurality of meshing teeth of the helical gear come into contact with the plurality of meshing teeth of the face gear at different positions. When the helical gear is rotated, the plurality of meshing teeth of the helical gear are always pressed against the plurality of meshing teeth of the face gear at different positions, and the face gear is rotated by the pressing.

【００１５】請求項２記載の発明では、第１の回転軸を
回転させると、成形素材がその軸線を中心に回転され
る。又、第２の回転軸を回転させると、切削部材がその
軸線を中心に回転し、切削部材の切削刃によって前記成
形素材の平坦面が周方向に沿って複数箇所切削される。
平坦面において切削部材により切削された部分は、成形
素材の外周面に対して傾斜する。又、第１の回転軸と第
２の回転軸とは、送り手段によって切削部材の中心と成
形素材の軸線とが接近又は離間するように相対移動され
る。又、第１の回転軸が一回転する間毎に、第１の回転
軸は進角手段によって周方向へ所定量進角される。その
結果、平坦面において切削部材によって切削される各箇
所が前記切削箇所から周方向及び径方向へずれ、そのず
れによって前記切削箇所が湾曲して延びるようになる。According to the second aspect of the invention, when the first rotating shaft is rotated, the molding material is rotated around its axis. When the second rotary shaft is rotated, the cutting member rotates about its axis, and the flat surface of the forming material is cut at a plurality of positions along the circumferential direction by the cutting blade of the cutting member.
The portion cut by the cutting member on the flat surface is inclined with respect to the outer peripheral surface of the forming material. Further, the first rotating shaft and the second rotating shaft are relatively moved by the feeding means such that the center of the cutting member and the axis of the forming material approach or separate from each other. Further, every time the first rotating shaft makes one rotation, the first rotating shaft is advanced in the circumferential direction by a predetermined amount by the advance means. As a result, each portion cut by the cutting member on the flat surface shifts from the cutting portion in the circumferential direction and the radial direction, and the cutting portion bends and extends due to the shift.

【００１６】請求項３記載の発明では、請求項２記載の
発明の作用に加え、第１の回転軸と第２の回転軸とが相
対移動すると、その相対移動に基づいて差動歯車装置が
第１の回転軸を周方向へ所定量進角させる。According to the invention described in claim 3, in addition to the operation of the invention described in claim 2, when the first rotary shaft and the second rotary shaft move relative to each other, the differential gear device operates based on the relative movement. The first rotating shaft is advanced in the circumferential direction by a predetermined amount.

【００１７】請求項４記載の発明では、成形素材をその
軸線が中心となるように回転させるとともに切削部材を
その軸線が中心となるように回転させると、切削部材の
切削刃によって前記成形素材の平坦面が周方向に沿って
複数箇所切削される。平坦面において切削部材により切
削された部分は、成形素材の外周面に対して傾斜する。
そして、切削部材の中心と成形素材の軸線とが接近又は
離間するように切削部材と成形素材とを相対移動させ、
更に成形素材の一回転毎に対して同成形素材を周方向へ
所定量進角させる。すると、平坦面において切削部材に
よって切削される各箇所が前記切削箇所から周方向及び
径方向へずれ、そのずれによって前記切削箇所が湾曲し
て延びるようになる。In the invention according to claim 4, when the forming material is rotated about its axis and the cutting member is rotated about its axis, the cutting blade of the cutting member changes the shape of the forming material. A flat surface is cut at a plurality of points along the circumferential direction. The portion cut by the cutting member on the flat surface is inclined with respect to the outer peripheral surface of the forming material.
Then, the cutting member and the forming material are relatively moved so that the center of the cutting member and the axis of the forming material approach or separate from each other,
Further, the molding material is advanced in the circumferential direction by a predetermined amount for each revolution of the molding material. Then, each portion cut by the cutting member on the flat surface shifts from the cutting portion in the circumferential direction and the radial direction, and the cutting portion bends and extends due to the shift.

【００１８】[0018]

【発明の実施の形態】以下、本発明を具体化した一実施
形態を図１〜図９に従って説明する。図１に示すよう
に、フェースギヤ１１の本体１１ａは例えば直径１１５
ｍｍの円板状に形成され、フェースギヤ１１の中心部に
は取付孔１２が設けられている。又、フェースギヤ１１
の平坦面１３の外縁部には、その平坦面１３から突出す
る歯切部１４が円環状に延びるように設けられている。
歯切部１４には噛合歯１５が周方向に沿って複数設けら
れ、各噛合歯１５は平坦面１４と平行に延びるととも
に、フェースギヤ１１の外周面に対してそれぞれ等角度
をなして傾斜している。又、各噛合歯１５は図１の矢印
Ｗ方向へ向かって凸状となるように湾曲している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 1, the main body 11 a of the face gear 11 has, for example, a diameter of 115.
The face gear 11 is provided with a mounting hole 12 in the center thereof. Also, the face gear 11
A tooth cutting portion 14 protruding from the flat surface 13 is provided on the outer edge portion of the flat surface 13 so as to extend in an annular shape.
A plurality of meshing teeth 15 are provided in the tooth cutting portion 14 along the circumferential direction. Each meshing tooth 15 extends parallel to the flat surface 14 and is inclined at an equal angle with respect to the outer peripheral surface of the face gear 11. ing. Further, each meshing tooth 15 is curved so as to have a convex shape in the arrow W direction in FIG.

【００１９】次に、上記フェースギヤ１１を製造するた
めの製造装置について説明する。図３に示すように、フ
ェースギヤの製造装置２１は、本体２２における上面の
左側に立設されたコラム２３と、本体２２における上面
の右側に設けられたワークテーブル２４とを備えてい
る。ワークテーブル２４は、コラム２３に対して接近又
は離間する方向へ移動可能となっている。又、ワークテ
ーブル２４の上面には第１の軸受部２５が設けられ、第
１の軸受部２５には鉛直方向へ延びる駆動軸２６が回転
可能に支持されている。ワークテーブル２４の上面にお
いて軸受部２５の右側にはサポート部２７が立設され、
前記駆動軸２６の上端部はサポート部２７から左側方へ
向かって突出する支持片２８に軸支されている。Next, a manufacturing apparatus for manufacturing the face gear 11 will be described. As shown in FIG. 3, the face gear manufacturing apparatus 21 includes a column 23 provided upright on the left side of the upper surface of the main body 22, and a work table 24 provided on the right side of the upper surface of the main body 22. The work table 24 is movable in a direction toward or away from the column 23. A first bearing portion 25 is provided on the upper surface of the work table 24, and a drive shaft 26 extending in the vertical direction is rotatably supported by the first bearing portion 25. On the upper surface of the work table 24, a support portion 27 is erected on the right side of the bearing portion 25,
An upper end portion of the drive shaft 26 is pivotally supported by a support piece 28 protruding leftward from the support portion 27.

【００２０】前記第１の軸受部２５の上側にはギヤボッ
クス２９が設けられ、駆動軸２６はギヤボックス２９を
貫通している。駆動軸２６のギヤボックス２９に対応す
る位置には、ベベルギヤ３０が固着されている。又、ギ
ヤボックス２９の左側面には第２の軸受部３１が設けら
れ、第２の軸受部３１には水平方向へ延びる第１の回転
軸３２が回転可能に支持されている。第１の回転軸３２
の右端部はギヤボックス２９内に挿入され、その右端部
には前記駆動軸２６のベベルギヤ３０と噛み合うベベル
ギヤ３３が固着されている。又、第１の回転軸３２の左
端部は第２の軸受部３１の左側面から突出し、その左端
部には成形素材３４が取り付けられるようになってい
る。A gear box 29 is provided above the first bearing portion 25, and the drive shaft 26 penetrates the gear box 29. A bevel gear 30 is fixed to a position of the drive shaft 26 corresponding to the gear box 29. A second bearing portion 31 is provided on the left side surface of the gear box 29, and a first rotating shaft 32 extending in the horizontal direction is rotatably supported by the second bearing portion 31. First rotary shaft 32
The right end of the drive shaft 26 is inserted into the gear box 29, and the bevel gear 33 meshing with the bevel gear 30 of the drive shaft 26 is fixed to the right end thereof. Further, the left end portion of the first rotating shaft 32 projects from the left side surface of the second bearing portion 31, and the molding material 34 is attached to the left end portion thereof.

【００２１】成形素材３４は、図７（ａ），（ｂ）に示
すように例えば直径１１５ｍｍの円板状に形成され、成
形素材３４の中心には取付孔１２が設けられている。成
形素材３４の平坦面１３の外縁部には、その平坦面１３
から突出する歯切部１４が円環状に延びるように設けら
れている。そして、第１の回転軸３２が取付孔１２を貫
通することにより、成形素材３４が第１の回転軸３２に
取り付けられるようになっている。As shown in FIGS. 7A and 7B, the molding material 34 is formed in a disk shape having a diameter of 115 mm, for example, and the mounting hole 12 is provided at the center of the molding material 34. On the outer edge of the flat surface 13 of the molding material 34, the flat surface 13
A tooth cutting portion 14 protruding from is provided so as to extend in an annular shape. The molding material 34 is attached to the first rotary shaft 32 by the first rotary shaft 32 penetrating the mounting hole 12.

【００２２】図３に示すように、コラム２３の右側には
昇降体３５が鉛直方向へ移動可能に設けられ、昇降体３
５には右側方へ向かって突出する支軸３６が設けられて
いる。又、昇降体３５の右側面には回転体３７が設けら
れ、回転体３７は前記支軸３６を中心に回転可能となっ
ている。図５に示すように、回転体３７には一対の支持
突起３９が設けられ、両支持突起３９の間には第２の回
転軸４０が設けられている。そして、第２の回転軸４０
の両端部は、一対の支持突起３９によって回転可能に支
持され、第２の回転軸４０には切削部材としての円板型
カッタ４１が設けられている。As shown in FIG. 3, an elevating body 35 is provided on the right side of the column 23 so as to be vertically movable.
5 is provided with a support shaft 36 protruding rightward. Further, a rotating body 37 is provided on the right side surface of the elevating body 35, and the rotating body 37 is rotatable around the support shaft 36. As shown in FIG. 5, the rotating body 37 is provided with a pair of support protrusions 39, and a second rotating shaft 40 is provided between the support protrusions 39. Then, the second rotating shaft 40
Both end portions of are rotatably supported by a pair of support protrusions 39, and the second rotating shaft 40 is provided with a disk-shaped cutter 41 as a cutting member.

【００２３】図６（ａ），（ｂ）に示すように、円板型
カッタ４１は直径約４５ｍｍの円板状に形成され、円板
型カッタ４１の中心部には取付孔４２が設けられてい
る。そして、第２の回転軸４０が取付孔４２を貫通する
ことにより、円板型カッタ４１が第２の回転軸４０に取
り付けられるようになっている。円板型カッタ４１の外
周面には、等間隔をおいて複数（本実施形態では６つ）
の切削刃４３が設けられ、各切削刃４３はそれぞれ異な
る形状に形成されている。そして、所定の切削刃４３が
被切削物に接触した状態で、円板型カッタ４１をその軸
線Ｌ２が中心となるように一回転させると、各切削刃４
３が順次被切削物を切削することにより同被切削物に噛
合歯が形成されるようになっている。As shown in FIGS. 6A and 6B, the disc cutter 41 is formed in a disc shape having a diameter of about 45 mm, and a mounting hole 42 is provided at the center of the disc cutter 41. ing. Then, the disc-shaped cutter 41 is attached to the second rotary shaft 40 by the second rotary shaft 40 penetrating the mounting hole 42. A plurality of disc cutters 41 (six in this embodiment) are arranged at equal intervals on the outer peripheral surface of the disc cutter 41.
Cutting blades 43 are provided, and each cutting blade 43 is formed in a different shape. Then, with the predetermined cutting blade 43 in contact with the object to be cut, the disc-shaped cutter 41 is rotated once about the axis L2 of the disc-shaped cutter 41.
3 sequentially cuts the object to be cut to form meshing teeth on the object to be cut.

【００２４】上記フェースギヤの製造装置２１における
駆動構造を図４に概略的に示す。フェースギヤの製造装
置２１には送り手段としての電動モータ４４が設けら
れ、電動モータ４４の駆動力は第２の縦伝達軸４５ａ及
び第２の横伝達軸４５ｂを介して第２の回転軸４０に伝
達される。電動モータ４４の駆動力が第２の回転軸４０
に伝達されると、その第２の回転軸４０が回転して円板
型カッタ４１がその軸線Ｌ２を中心に回転するようにな
っている。FIG. 4 schematically shows the drive structure of the face gear manufacturing apparatus 21. The face gear manufacturing apparatus 21 is provided with an electric motor 44 as a feeding means, and the driving force of the electric motor 44 is supplied to the second rotary shaft 40 via the second vertical transmission shaft 45a and the second horizontal transmission shaft 45b. Be transmitted to. The driving force of the electric motor 44 is the second rotary shaft 40.
Is transmitted to the disc-shaped cutter 41, the disc-shaped cutter 41 rotates about the axis L2.

【００２５】電動モータ４４の駆動力は、進角手段とし
ての差動歯車装置４６、歯数割出換歯車４７ａ〜４７
ｄ、第１の横伝達軸４８、第１の横伝達軸４８に設けら
れた親ウォーム４８ａ、駆動軸２６及びベベルギヤ３
０，３３を介して第１の回転軸３２に伝達される。電動
モータ４４の駆動力が第１の回転軸３２に伝達される
と、第１の回転軸３２がその軸線を中心に回転するよう
になっている。そして、歯数割出換歯車４７ａ〜４７ｄ
の歯数を適宜変更することにより、前記第１の回転軸３
２と第２の回転軸４０とにおける回転数の比率を変更す
ることが可能となっている。The driving force of the electric motor 44 is such that the differential gear device 46 as the advancing means and the tooth number indexing gears 47a to 47 are used.
d, the first lateral transmission shaft 48, the parent worm 48a provided on the first lateral transmission shaft 48, the drive shaft 26, and the bevel gear 3
It is transmitted to the first rotary shaft 32 via 0, 33. When the driving force of the electric motor 44 is transmitted to the first rotating shaft 32, the first rotating shaft 32 rotates about its axis. Then, the tooth number indexing gears 47a to 47d
By appropriately changing the number of teeth of the first rotary shaft 3
It is possible to change the ratio of the number of rotations between the second rotation shaft 40 and the second rotation shaft 40.

【００２６】電動モータ４４の駆動力は、差動歯車装置
４６、歯数割出換歯車４７ａ〜４７ｄ、第１の横伝達軸
４８、第１の横伝達軸４８に設けられた送りウォーム４
８ｂ、連結軸４９、送り換歯車５０ａ〜５０ｄ、縦送り
軸５１及び横送り軸５２を介して昇降体３５に伝達され
る。電動モータ４４の駆動力が昇降体３５に伝達される
と、昇降体３５が鉛直方向へ移動するようになってい
る。そして、送り換歯車５０ａ〜５０ｄの歯数を適宜変
更することにより、昇降体３５における単位時間あたり
の移動量を変更することが可能となっている。The driving force of the electric motor 44 is generated by the differential gear device 46, the tooth number indexing gears 47a to 47d, the first lateral transmission shaft 48, and the feed worm 4 provided on the first lateral transmission shaft 48.
8b, the connecting shaft 49, the feed change gears 50a to 50d, the vertical feed shaft 51, and the horizontal feed shaft 52, and is transmitted to the lifting body 35. When the driving force of the electric motor 44 is transmitted to the elevating body 35, the elevating body 35 moves in the vertical direction. By appropriately changing the number of teeth of the feed gears 50a to 50d, it is possible to change the moving amount of the elevating body 35 per unit time.

【００２７】又、前記縦送り軸５１は差動換歯車５３ａ
〜５３ｄを介して前記差動歯車装置４６に連結されてい
る。そして、電動モータ４４の駆動力が縦送り軸５１等
を介して昇降体３５に伝達されると、差動歯車装置４６
は電動モータ４４の駆動力によって回転する第１の回転
軸３２を、その第１の回転軸３２の一回転毎に対して周
方向へ所定量進角させるようになっている。尚、差動換
歯車５３ａ〜５３ｄの歯数を適宜変更することにより、
前記第１の回転軸３２における進角量を適宜変更するこ
とが可能となっている。The vertical feed shaft 51 is a differential gear 53a.
Is connected to the differential gear unit 46 through .about.53d. When the driving force of the electric motor 44 is transmitted to the elevating / lowering body 35 via the vertical feed shaft 51 and the like, the differential gear device 46.
Is configured to advance the first rotating shaft 32, which is rotated by the driving force of the electric motor 44, by a predetermined amount in the circumferential direction with respect to each rotation of the first rotating shaft 32. By appropriately changing the number of teeth of the differential gears 53a to 53d,
It is possible to appropriately change the advance amount of the first rotating shaft 32.

【００２８】次に、前記フェースギヤ１１の製造方法を
説明する。先ず、図７（ａ）に示すように、成形素材３
４を第１の回転軸３２に取り付けるとともに、回転体３
７を支軸３６が中心となるように回転させ、円板型カッ
タ４１の軸線Ｌ２を水平面に対して例えば２８°傾斜さ
せる。又、円板型カッタ４１の中心Ｐと成形素材３４の
軸線Ｌ１とが同一鉛直線上に位置するように、円板型カ
ッタ４１における第２の回転軸４０に対する取付位置を
適宜変更する。更に、円板型カッタ４１の切削刃４３が
成形素材３４における歯切部１４の外縁部と接触するよ
うに、昇降体３５及びワークテーブル２４を移動させ
る。この状態では、円板型カッタ４１の中心Ｐを通過し
て円板型カッタ４１の軸線Ｌ２と直交する面Ｆが成形素
材３４の軸線Ｌ１と重なることはない。Next, a method of manufacturing the face gear 11 will be described. First, as shown in FIG. 7A, the molding material 3
4 is attached to the first rotating shaft 32, and the rotating body 3
7 is rotated so that the support shaft 36 becomes the center, and the axis L2 of the disc cutter 41 is tilted by 28 ° with respect to the horizontal plane. Further, the mounting position of the disc cutter 41 with respect to the second rotating shaft 40 is appropriately changed so that the center P of the disc cutter 41 and the axis L1 of the forming material 34 are located on the same vertical line. Further, the elevating body 35 and the work table 24 are moved so that the cutting blade 43 of the disc-shaped cutter 41 comes into contact with the outer edge portion of the tooth cutting portion 14 of the forming material 34. In this state, the plane F passing through the center P of the disc cutter 41 and orthogonal to the axis L2 of the disc cutter 41 does not overlap the axis L1 of the forming material 34.

【００２９】その後、電動モータ４４を駆動して第１及
び第２の回転軸３２，４０を図７（ａ）の矢印Ｘ及びＹ
方向へ回転させ、成形素材３４及び円板型カッタ４１を
それぞれの軸線Ｌ１，Ｌ２が中心となるように回転させ
る。又、電動モータ４４の駆動により昇降体３５を上方
へ移動させる。尚、円板型カッタ４１の回転数は例えば
毎分２００回転とし、成形素材３４の回転数は例えば毎
分２００／２４回転とする。又、昇降体３５の移動量
は、成形素材３４の一回転あたり例えば１．５ｍｍとす
る。After that, the electric motor 44 is driven to move the first and second rotary shafts 32, 40 to the arrows X and Y in FIG. 7A.
In this direction, the molding material 34 and the disc-shaped cutter 41 are rotated so that their axes L1 and L2 are the centers. Further, the lifting / lowering body 35 is moved upward by driving the electric motor 44. The rotation speed of the disc cutter 41 is, for example, 200 rotations per minute, and the rotation speed of the molding material 34 is, for example, 200/24 rotations per minute. The amount of movement of the lifting / lowering body 35 is, for example, 1.5 mm per one revolution of the molding material 34.

【００３０】そして、円板型カッタ４１が回転すると、
その円板カッタ４１の各切削刃４３によって、図８に示
すように成形素材３４における歯切部１４の外縁部が切
削される。又、成形素材３４は回転しているため、円板
カッタ４１によって切削された切削箇所６０は、歯切部
１４の外縁部において周方向に沿って等間隔をおいた複
数の箇所に位置する（図８には二つの切削箇所６０のみ
図示）。そして、各切削箇所６０間には噛合歯１５の一
部が形成される。When the disc cutter 41 rotates,
Each cutting blade 43 of the disc cutter 41 cuts the outer edge portion of the gear cutting portion 14 in the forming material 34 as shown in FIG. 8. Further, since the forming material 34 is rotating, the cutting locations 60 cut by the disc cutter 41 are located at a plurality of locations at equal intervals along the circumferential direction at the outer edge portion of the gear cutting portion 14 ( Only two cutting points 60 are shown in FIG. 8). Then, a part of the meshing teeth 15 is formed between the cutting locations 60.

【００３１】その後、成形素材３４が一回転する間に昇
降体３５が徐々に上方へ移動するとともに、成形素材３
４は一回転する間に周方向へ進角する。その結果、図８
に示す切削箇所６０が一回転した後の位置は図９の実線
で示すように図９の矢印Ｚ方向へ所定角度ずれた状態に
なる。この状態で、上記と同様に円板型カッタ４１が歯
切部１４を切削すると、その切削箇所６１が図９の二点
鎖線で示すように位置して前記切削箇所６０と繋がる。
即ち、成形素材３４の一回転あたりの進角量を、切削箇
所６０と切削箇所６１とが繋がる値に予め設定する。そ
して、切削箇所６０と切削箇所６１とが繋がることによ
り、噛合歯１５の形成が進む。Thereafter, the elevating body 35 gradually moves upward while the forming material 34 makes one revolution, and the forming material 3
4 advances in the circumferential direction during one rotation. As a result, FIG.
The position after the cutting point 60 shown in (1) is rotated once is shifted by a predetermined angle in the direction of arrow Z in FIG. 9 as shown by the solid line in FIG. In this state, when the disc cutter 41 cuts the tooth-cutting portion 14 in the same manner as above, the cutting portion 61 is located as shown by the chain double-dashed line in FIG. 9 and is connected to the cutting portion 60.
That is, the amount of advance per revolution of the forming material 34 is set in advance to a value at which the cutting location 60 and the cutting location 61 are connected. Then, the cutting location 60 and the cutting location 61 are connected to each other, whereby the formation of the meshing teeth 15 proceeds.

【００３２】上記のようにして噛合歯１５の形成を進め
ると、成形素材３４が徐々に周方向へ進角するため、噛
合歯１５は図９の一点鎖線で示すように図９の矢印Ｚと
逆方向へ向かう凸状となって湾曲する。そして、前記の
ように湾曲した噛合歯１５は歯切部１４の周方向に沿っ
て複数形成され、成形素材３４に複数の噛合歯１５を形
成することによりフェースギヤ１１が形成される。When the formation of the meshing teeth 15 proceeds as described above, the molding material 34 gradually advances in the circumferential direction, so that the meshing teeth 15 are indicated by the arrow Z in FIG. 9 as shown by the one-dot chain line in FIG. It becomes convex and curves in the opposite direction. A plurality of the meshing teeth 15 curved as described above are formed along the circumferential direction of the gear cutting portion 14, and the face gear 11 is formed by forming the plurality of meshing teeth 15 on the molding material 34.

【００３３】次に、上記のように構成されたフェースギ
ヤ１１の作用を説明する。フェースギヤ１１は、例えば
図１に示す従動軸６２が取付孔１２を貫通することによ
り、その従動軸６２に取り付けられる。又、電動モータ
の出力軸６３は、その軸線が従動軸６２の軸線と直交す
る方向へ延びて同従動軸６２の軸線と交差するように配
置される。そして、フェースギヤ１１の噛合歯１５には
電動モータの出力軸６３に取り付けられた斜歯歯車６４
が噛み合わされる。即ち、斜歯歯車６４の外周面には同
斜歯歯車６４の軸線を中心に螺旋状に延びる複数の噛合
歯６５が設けられ、その噛合歯６５がフェースギヤ１１
の噛合歯１５と噛み合う。歯歯歯車６４の噛合歯６５は
螺旋状に延びるため、フェースギヤ１１と斜歯歯車６４
とが噛み合った初期状態では、図２に示すように斜歯歯
車６４において螺旋状に延びる三つの噛合歯６５α，６
５β，６５γが、フェースギヤ１１において三つの噛合
歯１５α，１５β，１５γの位置Ａ、位置Ｂ及び位置Ｃ
にそれぞれ接触する。Next, the operation of the face gear 11 configured as described above will be described. The face gear 11 is attached to the driven shaft 62 by, for example, the driven shaft 62 shown in FIG. 1 penetrating the mounting hole 12. The output shaft 63 of the electric motor is arranged so that its axis extends in a direction orthogonal to the axis of the driven shaft 62 and intersects the axis of the driven shaft 62. Then, the meshing teeth 15 of the face gear 11 have a helical gear 64 attached to the output shaft 63 of the electric motor.
Are engaged. That is, a plurality of meshing teeth 65 spirally extending around the axis of the spiral gear 64 are provided on the outer peripheral surface of the spiral gear 64, and the meshing teeth 65 are the meshing teeth 65.
It meshes with the meshing teeth 15 of. Since the meshing teeth 65 of the tooth gear 64 extend spirally, the face gear 11 and the bevel gear 64
In the initial state in which and mesh with each other, as shown in FIG. 2, three meshing teeth 65α, 6 spirally extending in the helical gear 64 are formed.
5β and 65γ are the positions A, B and C of the three meshing teeth 15α, 15β and 15γ in the face gear 11.
Contact each other.

【００３４】そして、電動モータを駆動して出力軸６３
を図１の矢印Ｖ方向へ回転させると、出力軸６３に取り
付けられた斜歯歯車６４における前記三つの噛合歯６５
α，６５β，６５γがそれぞれフェースギヤ１１の噛合
歯１５α，１５β，１５γに押し付けられる。そして、
噛合歯６５α，６５β，６５γが噛合歯１５α，１５
β，１５γに押し付けられることにより、フェースギヤ
１１が軸線Ｌ１を中心に図２の矢印Ｗ方向へ回転する。Then, the electric motor is driven to drive the output shaft 63.
1 in the direction of arrow V in FIG. 1, the three meshing teeth 65 in the helical gear 64 attached to the output shaft 63 are rotated.
α, 65β, and 65γ are pressed against the meshing teeth 15α, 15β, and 15γ of the face gear 11, respectively. And
The meshing teeth 65α, 65β, 65γ are the meshing teeth 15α, 15
By being pressed against β and 15γ, the face gear 11 rotates about the axis L1 in the direction of arrow W in FIG.

【００３５】フェースギヤ１１及び斜歯歯車６４が回転
すると、噛合歯１５αと噛合歯６５αとの接触位置は位
置Ａから歯切部１４の外縁へ向かってずれ、噛合歯６５
αが噛合歯１５αから離れる。噛合歯１５βと噛合歯６
５βとの接触位置は、位置Ｂから歯切部１４の外縁へ向
かってずれ、その接触位置が前記噛合歯１５βの位置Ａ
に達した後、噛合歯６５βが噛合歯１５βから離れる。
噛合歯１５γと噛合歯６５γとの接触位置は、位置Ｃか
ら歯切部１４の外縁へ向かってずれ、その接触位置が前
記噛合歯１５γの位置Ａに達した後、噛合歯６５γが噛
合歯１５γから離れる。When the face gear 11 and the helical gear 64 rotate, the contact position between the meshing tooth 15α and the meshing tooth 65α shifts from the position A toward the outer edge of the gear cutting portion 14, and the meshing tooth 65
α separates from the meshing tooth 15α. Interlocking tooth 15β and interlocking tooth 6
The contact position with 5β shifts from the position B toward the outer edge of the gear cutting portion 14, and the contact position is the position A of the meshing tooth 15β.
After that, the meshing tooth 65β is separated from the meshing tooth 15β.
The contact position between the meshing tooth 15γ and the meshing tooth 65γ shifts from the position C toward the outer edge of the gear cutting portion 14, and after the contact position reaches the position A of the meshing tooth 15γ, the meshing tooth 65γ is moved to the meshing tooth 15γ. Get away from.

【００３６】又、フェースギヤ１１及び斜歯歯車６４が
回転して噛合歯６５αが噛合歯１５αから離れると、両
者の離間と同時に斜歯歯車６４において前記噛合歯６５
γの回転方向後側に位置する噛合歯６５が、フェースギ
ヤ１１において前記噛合歯６５γの回転方向後側に位置
する噛合歯１５に接触する。この噛合歯１５と噛合歯６
５との接触位置は、上記と同様にフェースギヤ１１及び
斜歯歯車６４の回転に伴って、前記噛合歯１５の位置
Ｃ、位置Ｂ、位置Ａへと順次ずれる。そして、前記噛合
歯１５と噛合歯６５と噛合歯６５との接触位置が位置Ａ
までずれた後、噛合歯６５は噛合歯１５から離れる。従
って、回転するフェースギヤ１１と斜歯歯車６４とは、
常に三つの噛合歯１５，６５同士がそれぞれ異なる位置
で接触した状態となる。Further, when the face gear 11 and the helical gear 64 rotate and the meshing tooth 65α separates from the meshing tooth 15α, the meshing tooth 65α is separated from the meshing tooth 15α at the same time as the meshing tooth 65α is separated.
The meshing tooth 65 located on the rear side in the rotation direction of γ contacts the meshing tooth 15 located on the rear side in the rotation direction of the meshing tooth 65γ in the face gear 11. This meshing tooth 15 and meshing tooth 6
Similarly to the above, the contact position with the gear 5 is sequentially shifted to the position C, the position B, and the position A of the meshing tooth 15 with the rotation of the face gear 11 and the helical gear 64. The contact position between the meshing tooth 15, the meshing tooth 65, and the meshing tooth 65 is the position A.
After that, the meshing teeth 65 are separated from the meshing teeth 15. Therefore, the rotating face gear 11 and the bevel gear 64 are
The three meshing teeth 15 and 65 are always in contact with each other at different positions.

【００３７】尚、電動モータの出力軸６３を上記と逆方
向へ回転させた場合においても、上記と同様に斜歯歯車
６４における三つの噛合歯１５が常にフェースフェース
ギヤ１１における三つの噛合歯１５α〜１５γに対して
それぞれ異なる位置で接触した状態になる。Even when the output shaft 63 of the electric motor is rotated in the opposite direction, the three meshing teeth 15 of the helical gear 64 are always the three meshing teeth 15α of the face face gear 11 in the same manner as above. The contact is made at different positions with respect to 15 γ.

【００３８】以上詳述した本実施形態では、下記（ａ）
〜（ｅ）に示す効果がある。 （ａ）フェースギヤ１１は、噛合歯１５がフェースギヤ
１１の外周面に対して傾斜するとともに、図１の矢印Ｗ
方向へ向かって凸状となるように湾曲している。その結
果、フェースギヤ１１における三つの噛合歯１５と斜歯
歯車６４における三つの噛合歯６５とが、常に異なる三
つの位置でそれぞれ接触するため、従来と異なりフェー
スギヤ１１の回転速度が一定になる。従って、フェース
ギヤ１１の回転を滑らかにすることができる。In this embodiment described in detail above, the following (a)
(E). (A) In the face gear 11, the meshing teeth 15 are inclined with respect to the outer peripheral surface of the face gear 11, and the arrow W in FIG.
It is curved so as to be convex toward the direction. As a result, since the three meshing teeth 15 of the face gear 11 and the three meshing teeth 65 of the bevel gear 64 are always in contact with each other at three different positions, the rotation speed of the face gear 11 becomes constant unlike the conventional case. . Therefore, the rotation of the face gear 11 can be smoothed.

【００３９】（ｂ）常に三つの噛合歯１５，６４同士が
接触しているため、フェースギヤ１１と斜歯歯車６４と
を確実に噛み合わせて噛合歯１５，６４の接触音を小さ
くすることができる。従って、フェースギヤ１１の静粛
性を向上させることができる。(B) Since the three meshing teeth 15 and 64 are always in contact with each other, the face gear 11 and the bevel gear 64 can be surely meshed with each other to reduce the contact noise of the meshing teeth 15 and 64. it can. Therefore, the quietness of the face gear 11 can be improved.

【００４０】（ｃ）円板型カッタ４１の軸線Ｌ２を水平
面に対して傾斜させた状態で成形素材３４の歯切部１４
と円板型カッタ４１の切削刃４３とを接触させ、更に成
形素材３４を一回転あたりに所定量進角させるようにし
た。そのため、成形素材３４の歯切部１４に、フェース
ギヤ１１の外周面に対して傾斜する方向へ延び、且つ図
１の矢印Ｗ方向へ向かって凸状となるように湾曲した噛
合歯１５を形成することができる。(C) The gear cutting portion 14 of the forming material 34 in a state where the axis L2 of the disc cutter 41 is inclined with respect to the horizontal plane.
And the cutting blade 43 of the disc-shaped cutter 41 are brought into contact with each other, and the forming material 34 is advanced by a predetermined amount per one rotation. Therefore, in the gear cutting portion 14 of the molding material 34, the meshing teeth 15 that extend in a direction inclined with respect to the outer peripheral surface of the face gear 11 and are curved so as to be convex toward the arrow W direction in FIG. 1 are formed. can do.

【００４１】（ｄ）成形素材３４を周方向へ進角させる
ための差動歯車装置４６は、昇降体３５への駆動力の伝
達、即ち昇降体３５の移動に基づいて成形素材３４を進
角させるため、昇降体３５を昇降させるだけで容易に成
形素材３４の進角を行うことができる。従って、フェー
スギヤ１１の形成が容易になる。(D) The differential gear device 46 for advancing the forming material 34 in the circumferential direction advances the forming material 34 based on the transmission of the driving force to the elevating body 35, that is, the movement of the elevating body 35. Therefore, the advance of the molding material 34 can be easily performed only by elevating the elevating body 35. Therefore, the face gear 11 can be easily formed.

【００４２】（ｅ）第１の回転軸４０は駆動軸２６と直
交した状態で連結されているため、成形素材３４の平坦
面１３が昇降体３５の移動方向と平行になるように前記
成形素材３４を第１の回転軸４０に取り付けることがで
きる。(E) Since the first rotary shaft 40 is connected to the drive shaft 26 in a state orthogonal to the drive shaft 26, the molding material 34 is formed so that the flat surface 13 of the molding material 34 is parallel to the moving direction of the elevating body 35. 34 can be attached to the first rotating shaft 40.

【００４３】尚、本発明は、例えば以下のように変更し
て具体化することもできる。 （１）本実施形態において、昇降体３５の移動に基づい
て差動歯車装置４６により第１の回転軸３２を進角させ
るのではなく、電動モータ４４とは別の駆動系により第
１の回転軸３２を回転させ、その駆動系を制御すること
により第１の回転軸３２を進角させてもよい。The present invention can be embodied with the following modifications, for example. (1) In the present embodiment, the first rotation shaft 32 is not advanced by the differential gear device 46 based on the movement of the lifting / lowering body 35, but the first rotation is performed by a drive system different from the electric motor 44. The first rotating shaft 32 may be advanced by rotating the shaft 32 and controlling the drive system thereof.

【００４４】（２）本実施形態では、昇降体３５を鉛直
方向へ移動させたが、昇降体３５を固定してワークテー
ブル２４を鉛直方向へ移動させたり、昇降体３５とワー
クテーブル２４との両方を相対移動させたりしてもよ
い。(2) In the present embodiment, the lifting / lowering body 35 is moved in the vertical direction. However, the lifting / lowering body 35 is fixed to move the work table 24 in the vertical direction, or the lifting / lowering body 35 and the work table 24 are separated from each other. Both may be moved relative to each other.

【００４５】（３）本実施形態において、フェースギヤ
１１及び成形素材３４の直径を適宜変更してもよい。 （４）本実施形態において、成形素材３４及び円板型カ
ッタ４１の回転数を適宜変更してもよい。(3) In this embodiment, the diameters of the face gear 11 and the molding material 34 may be changed appropriately. (4) In the present embodiment, the rotational speeds of the forming material 34 and the disc cutter 41 may be changed as appropriate.

【００４６】（５）本実施形態において、第１の回転軸
３２の一回転あたりにおける進角量や昇降体３５の移動
量を適宜変更してもよい。 （６）本実施形態において、円板型カッタ４１における
軸線Ｌ２の水平面に対する傾斜角度を２８°以外の値に
してもよい。(5) In the present embodiment, the advance amount per one rotation of the first rotating shaft 32 and the moving amount of the elevating / lowering body 35 may be changed appropriately. (6) In the present embodiment, the inclination angle of the axis L2 of the disc cutter 41 with respect to the horizontal plane may be a value other than 28 °.

【００４７】（７）本実施形態では、歯切部１４を外縁
から内縁へ向かって切削したが、内縁から外縁へ向かっ
て切削してもよい。この場合、成形素材３４及び円板型
カッタ４１の回転方向を適宜変更すればよい。(7) In the present embodiment, the tooth cutting portion 14 is cut from the outer edge toward the inner edge, but it may be cut from the inner edge toward the outer edge. In this case, the rotational directions of the forming material 34 and the disc cutter 41 may be changed appropriately.

【００４８】（８）本実施例では、フェースギヤ１１及
び斜歯歯車６４において、三つの噛合歯１５，６５同士
を接触させたが、その数を適宜変更してもよい。(8) In this embodiment, in the face gear 11 and the bevel gear 64, the three meshing teeth 15, 65 are brought into contact with each other, but the number may be changed appropriately.

【００４９】[0049]

【発明の効果】請求項１記載の発明では、斜歯歯車にお
ける複数の噛合歯が常にフェースギヤにおける複数の噛
合歯に対してそれぞれ異なる位置に押し付けられるた
め、フェースギヤの回転速度を一定にして、フェースギ
ヤを滑らかに回転させることができる。According to the first aspect of the present invention, since the plurality of meshing teeth of the helical gear are always pressed to different positions with respect to the plurality of meshing teeth of the face gear, the rotation speed of the face gear is kept constant. , The face gear can be smoothly rotated.

【００５０】請求項２記載の発明では、成形素材の平坦
面において切削部材により切削された箇所が湾曲して延
びるようになるため、その平坦面に湾曲した噛合歯を形
成することができる。According to the second aspect of the present invention, the portion cut by the cutting member on the flat surface of the molding material is curved and extends, so that curved meshing teeth can be formed on the flat surface.

【００５１】請求項３記載の発明では、請求項２記載の
発明の効果に加え、第１の回転軸と第２の回転軸との相
対移動に基づいて第１の回転軸が周方向へ所定量進角さ
れるため、第１の回転軸を容易に周方向へ進角させるこ
とができる。According to the third aspect of the invention, in addition to the effect of the second aspect of the invention, the first rotary shaft is located in the circumferential direction based on the relative movement of the first rotary shaft and the second rotary shaft. Since the angle is advanced by a fixed amount, it is possible to easily advance the first rotation axis in the circumferential direction.

【００５２】請求項４記載の発明では、成形素材の平坦
面において切削部材により切削された箇所が湾曲して延
びるようになるため、その平坦面に湾曲した噛合歯を形
成することができる。According to the fourth aspect of the present invention, since the portion cut by the cutting member on the flat surface of the forming material is curved and extends, curved mating teeth can be formed on the flat surface.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本実施形態におけるフェースギヤを示す平面図FIG. 1 is a plan view showing a face gear in this embodiment.

【図２】フェースギヤの噛合歯を示す拡大平面図。FIG. 2 is an enlarged plan view showing meshing teeth of a face gear.

【図３】フェースギヤの製造装置を示す側面図。FIG. 3 is a side view showing a face gear manufacturing apparatus.

【図４】フェースギヤの製造装置における駆動系を示す
概略側面図。FIG. 4 is a schematic side view showing a drive system in a face gear manufacturing apparatus.

【図５】昇降体及び回転体を示す正面図。FIG. 5 is a front view showing an elevating body and a rotating body.

【図６】（ａ）及び（ｂ）は円板型カッタを示す正面図
及び側面図。6A and 6B are a front view and a side view showing a disc cutter.

【図７】（ａ）及び（ｂ）は成形素材と円板型カッタと
を示す正面図及び断面図。7A and 7B are a front view and a cross-sectional view showing a forming material and a disc cutter.

【図８】成形素材の歯切部を示す拡大平面図。FIG. 8 is an enlarged plan view showing a gear cutting portion of a molding material.

【図９】成形素材の歯切部を示す拡大平面図。FIG. 9 is an enlarged plan view showing a gear cutting portion of a molding material.

【図１０】従来のフェースギヤを示す平面図FIG. 10 is a plan view showing a conventional face gear.

【図１１】従来のフェースギヤの噛合歯を示す拡大平面
図。FIG. 11 is an enlarged plan view showing meshing teeth of a conventional face gear.

【図１２】従来におけるフェースギヤの製造状態を示す
正面図。FIG. 12 is a front view showing a manufacturing state of a conventional face gear.

【図１３】従来におけるフェースギヤの製造状態を示す
一部破断側面図。FIG. 13 is a partially cutaway side view showing a manufacturing state of a conventional face gear.

【符号の説明】[Explanation of symbols]

１１…フェースギヤ、１１ａ…本体、１３…平坦面、１
５…噛合歯、２１…フェースギヤの製造装置、３２…第
１の回転軸、３４…成形素材、４０…第２の回転軸、４
１…切削部材としての円板型カッタ、４３…切削刃、４
４…送り手段としての電動モータ、４６…進角手段とし
ての差動歯車装置、Ｆ…面、Ｌ１，Ｌ２…軸線、Ｐ…中
心。11 ... Face gear, 11a ... Main body, 13 ... Flat surface, 1
5 ... meshing teeth, 21 ... face gear manufacturing device, 32 ... first rotary shaft, 34 ... molding material, 40 ... second rotary shaft, 4
1 ... Disk type cutter as a cutting member, 43 ... Cutting blade, 4
4 ... Electric motor as feeding means, 46 ... Differential gear device as advancing means, F ... Surface, L1, L2 ... Axis, P ... Center.

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】 円板状に形成された本体（１１ａ）の平
坦面（１３）に同平坦面（１３）と平行に延びる噛合歯
（１５）を前記本体（１１ａ）の周方向に沿って複数設
けたフェースギヤにおいて、 前記各噛合歯（１５）を本体（１１ａ）の外周面に対し
それぞれが等角度で傾斜して延びるように形成し、その
各噛合歯（１５）を同噛合歯（１５）の延びる方向に対
して湾曲させたフェースギヤ。1. A disk-shaped flat surface (13) of a main body (11a) is provided with meshing teeth (15) extending parallel to the flat surface (13) along the circumferential direction of the main body (11a). In a plurality of face gears, each meshing tooth (15) is formed so as to extend so as to be inclined at an equal angle with respect to the outer peripheral surface of the main body (11a), and each meshing tooth (15) is formed with the same meshing tooth (15). 15) A face gear that is curved with respect to the extending direction. 【請求項２】 円板状に形成された成形素材（３４）を
その軸線（Ｌ１）が中心となるように回転させ、回転す
る成形素材（３４）の平坦面（１３）を切削するための
切削部材（４１）を設け、その切削部材（４１）によっ
て前記平坦面（１３）に同平坦面（１３）と平行に延び
る噛合歯（１５）を成形素材（３４）の周方向に沿って
複数形成するようにしたフェースギヤの製造装置におい
て、 前記成形素材（３４）が取り付けられ、同成形素材（３
４）をその軸線（Ｌ１）が中心となるように回転させる
第１の回転軸（３２）と、 円板状に形成されるとともに外周面に前記成形素材（３
４）の平坦面（１３）を切削するための複数の切削刃
（４３）が設けられた切削部材（４１）と、 前記切削部材（４１）が取り付けられ、同切削部材（４
１）をその軸線（Ｌ２）が中心となるように回転させる
とともに、前記切削部材（４１）の厚さ方向中心（Ｐ）
を通過して同切削部材（４１）の軸線（Ｌ２）と直交す
る面（Ｆ）が前記成形素材（３４）の軸線（Ｌ１）と直
交する直線に対して重ならないように配置された第２の
回転軸（４０）と、 前記切削部材（４１）の中心（Ｐ）が成形素材（３４）
の軸線（Ｌ１）に対して接近又は離間するように第１の
回転軸（３２）と第２の回転軸（４０）とを相対移動さ
せる送り手段（４４）と、 前記第１の回転軸（３２）の一回転に対し、第１の回転
軸（３２）を周方向へ所定量進角させる進角手段（４
６）とを備えたフェースギヤの製造装置。2. A disk-shaped forming material (34) is rotated about its axis (L1) to cut a flat surface (13) of the rotating forming material (34). A cutting member (41) is provided, and a plurality of meshing teeth (15) extending in parallel to the flat surface (13) by the cutting member (41) are provided along the circumferential direction of the forming material (34). In a face gear manufacturing apparatus configured to form the molding material (34), the molding material (34) is attached to the molding material (3).
4) a first rotation shaft (32) for rotating so that its axis (L1) is the center; and a molding material (3) formed on the outer peripheral surface of the disk.
4) A cutting member (41) provided with a plurality of cutting blades (43) for cutting the flat surface (13), and the cutting member (41) are attached to the cutting member (4).
1) is rotated so that its axis (L2) is the center, and the center (P) in the thickness direction of the cutting member (41).
A second surface arranged so that the plane (F) that passes through the cutting member (41) and is orthogonal to the axis (L2) of the cutting member (41) does not overlap the line orthogonal to the axis (L1) of the forming material (34). The rotating shaft (40) and the center (P) of the cutting member (41) are the molding material (34).
A feed means (44) for relatively moving the first rotary shaft (32) and the second rotary shaft (40) so as to approach or separate from the axis line (L1) of the first rotary shaft (L1); With respect to one rotation of (32), the advance means (4) for advancing the first rotating shaft (32) in the circumferential direction by a predetermined amount.
6) An apparatus for manufacturing a face gear, including: 【請求項３】 前記進角手段（４６）は、第１の回転軸
（３２）と第２の回転軸（４０）との相対移動に基づい
て第１の回転軸（３２）を周方向へ所定量進角させる差
動歯車装置（４６）である請求項２記載のフェースギヤ
の製造装置。3. The advance means (46) circumferentially moves the first rotating shaft (32) based on relative movement between the first rotating shaft (32) and the second rotating shaft (40). The face gear manufacturing apparatus according to claim 2, which is a differential gear device (46) for advancing a predetermined amount. 【請求項４】 円板状に形成された成形素材（３４）を
その軸線（Ｌ１）が中心となるように回転させ、回転す
る成形素材（３４）の平坦面（１３）を切削することに
より前記平坦面（１３）に同平坦面（１３）と平行に延
びる噛合歯（１５）を周方向に沿って複数形成するよう
にしたフェースギヤの製造方法において、 前記成形素材（３４）をその軸線（Ｌ１）が中心となる
ように回転させ、円板状に形成されるとともに外周面に
成形素材（３４）の平坦面（１３）を切削するための複
数の切削刃（４３）が設けられた切削部材（４１）を、
その切削部材（４１）の厚さ方向中心（Ｐ）を通過して
同切削部材（４１）の軸線（Ｌ２）と直交する面（Ｆ）
が前記成形素材（３４）の軸線（Ｌ１）と直交する直線
に対して重ならないように配置し、前記切削部材（４
１）をその軸線（Ｌ２）が中心となるように回転させる
とともに、切削部材（４１）の中心（Ｐ）と成形素材
（３４）の軸線（Ｌ１）とが接近又は離間するように切
削部材（４１）と成形素材（３４）とを相対移動させ、
更に成形素材（３４）の一回転に対して同成形素材（３
４）を周方向へ所定量進角させるようにしたフェースギ
ヤの製造方法。4. A disk-shaped forming material (34) is rotated about its axis (L1), and a flat surface (13) of the rotating forming material (34) is cut. A method for manufacturing a face gear, wherein a plurality of meshing teeth (15) extending in parallel to the flat surface (13) are formed on the flat surface (13) in the circumferential direction, wherein the molding material (34) has an axis line thereof. A plurality of cutting blades (43) for cutting the flat surface (13) of the forming material (34) are provided on the outer peripheral surface by rotating so that (L1) becomes the center. The cutting member (41)
A plane (F) that passes through the center (P) in the thickness direction of the cutting member (41) and is orthogonal to the axis (L2) of the cutting member (41).
Are arranged so as not to overlap a straight line orthogonal to the axis (L1) of the forming material (34), and the cutting member (4
1) is rotated so that its axis (L2) is the center, and the cutting member (41) is moved so that the center (P) of the cutting member (41) and the axis (L1) of the forming material (34) approach or separate. 41) and the molding material (34) are moved relative to each other,
Furthermore, for one revolution of the molding material (34), the molding material (3
4) A method of manufacturing a face gear, which is configured to advance a predetermined amount in the circumferential direction.
JP28394695A 1995-10-31 1995-10-31 Face gear, its manufacturing device and method Pending JPH09123021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28394695A JPH09123021A (en) 1995-10-31 1995-10-31 Face gear, its manufacturing device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28394695A JPH09123021A (en) 1995-10-31 1995-10-31 Face gear, its manufacturing device and method

Publications (1)

Publication Number Publication Date
JPH09123021A true JPH09123021A (en) 1997-05-13

Family

ID=17672277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28394695A Pending JPH09123021A (en) 1995-10-31 1995-10-31 Face gear, its manufacturing device and method

Country Status (1)

Country Link
JP (1) JPH09123021A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1504839A2 (en) * 2003-08-05 2005-02-09 Günter Kownatzki Cutting tool for chip forming machining of the face gearing of a crown gear
JP2007253248A (en) * 2006-03-20 2007-10-04 Aisin Seiki Co Ltd Method for manufacturing member having face gear tooth flank
CN101733485A (en) * 2010-02-11 2010-06-16 西南交通大学 Method for machining tooth profile of circular arc end tooth
CN108188494A (en) * 2017-12-22 2018-06-22 重庆文理学院 A kind of milling cutter and method for processing face gear

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1504839A2 (en) * 2003-08-05 2005-02-09 Günter Kownatzki Cutting tool for chip forming machining of the face gearing of a crown gear
EP1504839A3 (en) * 2003-08-05 2007-10-03 Günter Kownatzki Cutting tool for chip forming machining of the face gearing of a crown gear
JP2007253248A (en) * 2006-03-20 2007-10-04 Aisin Seiki Co Ltd Method for manufacturing member having face gear tooth flank
CN101733485A (en) * 2010-02-11 2010-06-16 西南交通大学 Method for machining tooth profile of circular arc end tooth
CN108188494A (en) * 2017-12-22 2018-06-22 重庆文理学院 A kind of milling cutter and method for processing face gear

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