JPH10180542A - Method and device for chamfering gear - Google Patents
Method and device for chamfering gearInfo
- Publication number
- JPH10180542A JPH10180542A JP35026096A JP35026096A JPH10180542A JP H10180542 A JPH10180542 A JP H10180542A JP 35026096 A JP35026096 A JP 35026096A JP 35026096 A JP35026096 A JP 35026096A JP H10180542 A JPH10180542 A JP H10180542A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- tooth
- chamfering
- indexing
- tool
- 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
Landscapes
- Gear Processing (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は歯車の面取り加工方
法および面取り加工装置に関し、さらに詳しくは、ハイ
ポイドギヤもしくはまがり歯かさ歯車について歯車の円
筒側面と歯面および歯底面とのなすそれぞれのコーナー
部に面取りを施す方法および装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for chamfering a gear, and more particularly, to a hypoid gear or a spiral bevel gear provided with a corner portion between a cylindrical side surface, a tooth surface and a tooth bottom surface of the gear. The present invention relates to a method and an apparatus for chamfering.
【０００２】[0002]
【従来の技術】自動車のファイナルドライブ（終減速装
置）に多用されるところのグリーソン式の勾配歯をもつ
ハイポイドギヤは、環状の正面フライスカッタを用いた
創成歯切り法によって加工されるのが一般的であるが、
歯切り加工に続いて、噛み合い音の低減や歯形干渉の防
止等を目的として面取り加工が行われる。2. Description of the Related Art A hypoid gear having a Gleason-type gradient tooth, which is frequently used for a final drive (final reduction gear) of an automobile, is generally processed by a generating gear cutting method using an annular face milling cutter. In Although,
Subsequent to the gear cutting, chamfering is performed for the purpose of, for example, reducing the meshing noise and preventing tooth profile interference.
【０００３】例えば、図６〜８に示すハイポイドリング
ギヤＷの場合には、凹状歯面Ｆ1と歯車自体の円筒外側
面Ｑとのなすコーナー部に、歯面側面取り部Ｃ1が形成
されるとともに、上記凹状歯面Ｆ1に隣接する歯底面Ｂ
と円筒外側面Ｑとのなすコーナー部に歯底面側面取り部
Ｃ2が形成されるもので、特に歯底面側面取り部Ｃ2の加
工は歯切り加工時に生じたばりの除去を目的として行わ
れる。なお、図６では、理解を容易にするために歯先面
となる部分にハッチングを付してある。[0003] For example, in the case of hypoid ring gear W shown in FIG. 6-8, the formed corner portion between the cylindrical outer surface Q of the concave tooth surface F 1 and the gear itself, tooth surface side chamfer portion C 1 is formed together, root surface B adjacent to the concave tooth surface F 1
Is performed for the purpose of removing burrs those teeth bottom side chamfer portion C 2 is formed, in particular the processing of the tooth bottom side chamfer portion C 2 generated during gear cutting to form a corner portion between the cylindrical outer surface Q and . In FIG. 6, hatching is applied to a portion serving as a tooth tip surface for easy understanding.
【０００４】そして、上記の歯面側面取り部Ｃ1および
歯底面側面取り部Ｃ2の加工は、図９，１０に示すよう
に、歯切り加工後のハイポイドリングギヤＷが歯切り盤
のインデックス装置５１に位置決めクランプされている
状態で行われ、ハイポイドリングギヤＷを一歯ずつ割り
出しながら回転させる一方で、前記インデックス装置５
１と隣接配置した面取り装置５２の面取りバイト５３を
上記割り出し回転動作に同期して進退移動させること
で、両面取り部Ｃ1，Ｃ2の加工が同時に行われる。[0004] Then, the processing of the tooth surface side chamfer portion C 1 and the bottom land side chamfer portion C 2, as shown in FIGS. 9 and 10, index device hypoid ring gear W is gear cutting machine after gear cutting The hypoid ring gear W is rotated while being indexed one by one while the indexing device 5 is rotated.
By moving the chamfering tool 53 of the chamfering device 52 arranged adjacent to 1 forward and backward in synchronization with the above-described indexing rotation operation, the processing of the double-sided chamfers C 1 and C 2 is performed simultaneously.
【０００５】より詳しくは、図９，１０に示すように、
面取り装置５２に油圧シリンダ５４駆動のスライダ５５
を設けるとともに、このスライダ５５の先端に図１１〜
１３に示すような面取りバイト５３を装着し、上記のよ
うな一歯ごとのハイポイドリングギヤＷの割り出し回転
に同期して面取りバイト５３を進退させることにより、
歯面側面取り部Ｃ1と歯底面側面取り部Ｃ2とを同時に形
成するものである。More specifically, as shown in FIGS.
A slider 55 driven by a hydraulic cylinder 54 is attached to the chamfering device 52.
And at the tip of the slider 55, FIGS.
By mounting the chamfering tool 53 as shown in FIG. 13 and moving the chamfering tool 53 back and forth in synchronization with the indexing rotation of the hypoid ring gear W for each tooth as described above,
And forms a tooth surface side chamfer portion C 1 and the tooth bottom side chamfer portion C 2 simultaneously.
【０００６】[0006]
【発明が解決しようとする課題】上記のような従来のば
り取り加工方法においては、前述したように歯面側面取
り部Ｃ1と歯底面側面取り部Ｃ2とを同時に加工するため
には図１２に示した刃厚寸法Ｇを可及的に大きくしてハ
イポイドリングギヤＷの歯底面Ｂの幅寸法に合わせるの
が望ましい。In the conventional deburring method as described above that [0005], figures for simultaneously machining a tooth surface side chamfer portion C 1 and the tooth bottom side chamfer portion C 2, as described above It is desirable to make the blade thickness dimension G shown in FIG. 12 as large as possible so as to match the width dimension of the root surface B of the hypoid ring gear W.
【０００７】しかしながら、ハイポイドリングギヤＷの
歯すじそのものが湾曲しているために、刃厚寸法Ｇが大
きくなればなるほど面取りバイト５３の刃先と歯形の凸
状歯面Ｆ2とが干渉しやすくなり、結果的に凸状歯面Ｆ2
を面取りバイト５３で傷つけてしまうことになる。この
現象は歯底面Ｂの幅寸法が大きくなるほど顕著となる。However, since the tooth traces of the hypoid ring gear W are curved, as the blade thickness dimension G increases, the edge of the chamfering tool 53 and the convex tooth surface F 2 of the tooth shape easily interfere with each other. As a result, the convex tooth surface F 2
Will be damaged by the chamfering tool 53. This phenomenon becomes more conspicuous as the width of the tooth bottom B increases.
【０００８】このようなことから、刃厚寸法Ｇの拡大化
にもおのずと限界があり、図１４に示すように上記の面
取り加工時にばりの取り残し部ｂが生じ、後工程におい
て取り残し部ｂの除去を目的とした別の面取り作業が必
要となって好ましくない。[0008] For this reason, there is naturally a limit in increasing the blade thickness dimension G, and as shown in FIG. 14, the remaining portion b of the burr occurs during the above-mentioned chamfering, and the removal of the remaining portion b in a subsequent step. Another chamfering operation for the purpose is required, which is not preferable.
【０００９】本発明は以上のような課題に着目してなさ
れたもので、歯面と面取りバイトとの干渉やばりの取り
残し等の二次的な問題を生じることなく、歯面側面取り
部と歯底面側面取り部とを確実に同時加工できるように
した面取り加工方法と加工装置とを提供しようとするも
のである。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has no problems such as interference between the tooth surface and the chamfering tool and remaining of burrs. It is an object of the present invention to provide a chamfering method and a machining device which can simultaneously and simultaneously process a bottom surface chamfer.
【００１０】[0010]
【課題を解決するための手段】請求項１に記載の発明
は、ハイポイドギヤもしくはまがり歯かさ歯車について
歯車の円筒側面と歯面および歯底面とのなすそれぞれの
コーナー部に面取り加工を施す方法であって、前記歯車
の円筒側面と凹状もしくは凸状のいずれか一方の歯面と
のなすコーナー部、およびその一方の歯面に隣接する歯
底面と歯車の円筒側面とのなすコーナー部をそれぞれ削
り取るような軌跡となるように、刃部が剣バイト状の面
取りバイトを、歯底面側から歯先面側に向けて斜めに回
転変位させることを特徴としている。According to the first aspect of the present invention, there is provided a method of chamfering a hypoid gear or a spiral bevel gear at each corner between a cylindrical side surface, a tooth surface and a tooth bottom surface of a gear. A corner formed by the cylindrical side surface of the gear and either the concave or convex tooth surface, and a corner formed by the tooth bottom adjacent to the one tooth surface and the cylindrical side surface of the gear. The blade portion is characterized in that the chamfering tool having a sword tool shape is rotationally displaced obliquely from the tooth bottom surface side to the tooth tip surface side so as to have a proper locus.
【００１１】請求項２に記載の発明は、請求項１に記載
の発明における歯車の円筒外側面と凹状歯面とのなすコ
ーナー部、およびその凹状歯面に隣接する歯底面と歯車
の円筒外側面とのなすコーナー部をそれぞれ削り取るよ
うな軌跡となるように、面取りバイトを、歯底面側から
歯先面側に向けて且つ凹状歯面と対向する凸状歯面側か
ら凹状歯面側に向けて斜めに回転変位させることを特徴
としている。According to a second aspect of the present invention, there is provided a gear according to the first aspect, wherein the corner portion is formed between the cylindrical outer surface of the gear and the concave tooth surface, and the tooth bottom surface adjacent to the concave tooth surface and the outside of the gear cylinder. The chamfering tool is moved from the tooth bottom surface side to the tooth tip surface side and from the convex tooth surface side facing the concave tooth surface to the concave tooth surface side so as to have a locus that scrapes off the corner part formed by the side surface. It is characterized by being rotationally displaced obliquely.
【００１２】請求項３に記載の発明は、請求項１または
２に記載の面取り加工方法において、環状の正面フライ
スカッタを用いた創成歯切り法により加工された歯車が
歯切り盤の割り出し手段に装着されている状態で、その
歯車を一歯ずつ割り出し回転させる一方、歯車の割り出
し回転に同期して面取りバイトを回転変位させることを
特徴としている。According to a third aspect of the present invention, in the chamfering method according to the first or second aspect, the gear processed by the generating gear cutting method using the annular face milling cutter is used as the indexing means of the gear cutting machine. In the mounted state, the gear is indexed and rotated one tooth at a time, and the chamfering tool is rotationally displaced in synchronization with the indexing rotation of the gear.
【００１３】請求項４に記載の発明は、請求項１または
２に記載の面取り加工方法に用いられる面取り加工装置
であって、加工対象となる歯車を位置決めクランプして
一歯ずつ割り出し回転させる割り出し手段と、前記歯車
の円筒側面と対向するように該歯車に隣接して割り出し
位置に配置された回転可能な面取りバイトと、前記割り
出し手段による歯車の割り出し動作に同期して面取りバ
イトを回転変位させるアクチュエータとを備えているこ
とを特徴としている。According to a fourth aspect of the present invention, there is provided a chamfering apparatus used in the chamfering method according to the first or second aspect, wherein the gear to be processed is positioned and clamped, and the gear is indexed and rotated one by one. Means, a rotatable chamfering tool disposed at an indexing position adjacent to the gear so as to face the cylindrical side surface of the gear, and rotationally displacing the chamfering tool in synchronization with the indexing operation of the gear by the indexing means. And an actuator.
【００１４】したがって、従来の技術では、実質的に歯
車の側面部から歯溝内側への面取りバイトの切り込み送
りによって面取り量を確保しているのに対して、請求項
１，２に記載の発明では、面取りバイトをわずかに歯溝
側に入れることになるものの、歯底面側から歯先面側へ
の歯たけ方向での斜めの切り込み送りによって歯底面側
の面取りと歯面側の面取りとを行うことから、面取りバ
イトが別の歯面と干渉することはなくなる。Therefore, in the prior art, the chamfering amount is substantially ensured by cutting and feeding the chamfering tool from the side surface of the gear to the inner side of the tooth space. Then, although the chamfering tool will be slightly inserted into the tooth space side, the beveling on the tooth bottom side and the chamfering on the tooth surface side will be performed by diagonal cutting feed from the tooth bottom side to the tooth tip side in the setting direction. As a result, the chamfering tool does not interfere with another tooth surface.
【００１５】そして、請求項３に記載の発明では、歯切
り盤の割り出し手段の機能を有効利用していることか
ら、歯切り加工に続いて上記の面取り加工が行われる。According to the third aspect of the present invention, since the function of the indexing means of the gear cutting machine is effectively used, the chamfering is performed following the gear cutting.
【００１６】請求項４に記載の発明では、割り出し手段
による歯車の割り出し動作に同期してアクチュエータの
作動により面取りバイトが回転運動することから、請求
項１，２に記載の発明の手順で面取り加工が行われる。According to the fourth aspect of the present invention, the chamfering tool is rotated by the operation of the actuator in synchronization with the indexing operation of the gear by the indexing means. Is performed.
【００１７】[0017]
【発明の効果】請求項１に記載の発明によれば、剣バイ
ト状の面取りバイトを歯底面側から歯先面側へ向けて斜
めに回転変位させて、実質的に歯たけ方向への斜めの切
り込み送り動作によって歯底面側および歯面側の双方の
面取りを行うようにしたことから、歯溝方向へ切り込み
送りを与えて面取りを行う従来の方法と比べてバイトが
他の歯面と干渉することがない。そのため、一回の面取
り動作で歯底面側の面取りと歯面側の面取りとを削り残
しなく同時にかつ確実に行うことができ、面取り加工工
数を大幅に削減できるとともに、設備費も併せて低減で
きる効果がある。According to the first aspect of the present invention, the chamfering tool in the form of a sword tool is obliquely rotationally displaced from the tooth bottom surface toward the tooth tip surface, and is substantially inclined in the tooth setting direction. Since the beveling on both the bottom side and the flanks side is performed by the notch feeding operation of the cutting tool, the cutting tool interferes with other tooth surfaces compared to the conventional method of performing cutting and feeding in the direction of the tooth space and chamfering Never do. Therefore, it is possible to perform the chamfering on the tooth bottom side and the chamfering on the tooth side at the same time and surely without leaving any remaining in a single chamfering operation, and it is possible to greatly reduce the number of chamfering man-hours and also reduce the equipment cost. effective.
【００１８】特に請求項２に記載の発明によれば、従来
は凹状歯面側から凸状歯面側へとバイトを切り込み送り
していたのに対して、逆に凸状歯面側から凹状歯面側に
向けた面取りバイトを歯たけ方向に斜めに切り込み送り
するようにしていることから、特にハイポイドリングギ
ヤやまがり歯かさ歯車の凸状歯面に傷をつけることがな
い。In particular, according to the second aspect of the present invention, the cutting tool is cut and fed from the concave flank side to the convex flank side. Since the chamfering tool toward the tooth surface side is cut and fed obliquely in the tooth setting direction, the convex tooth surface of the hypoid ring gear and the spiral bevel gear is not particularly damaged.
【００１９】請求項３に記載の発明によれば、歯切り盤
の割り出し手段を面取り加工時の割り出し手段としても
有効利用していて、歯切り加工に続いて面取り加工が行
われることから、歯切り盤とは別に面取り盤を用意する
必要がなく、請求項１または２に記載の発明と同様の効
果に加えて、設備費を一段と低減できる効果がある。According to the third aspect of the present invention, the indexing means of the gear cutting machine is also effectively used as the indexing means at the time of chamfering, and the chamfering is performed following the gear cutting. There is no need to prepare a chamfering machine separately from the cutting machine, and in addition to the same effects as those of the first or second aspect of the present invention, there is the effect that the equipment cost can be further reduced.
【００２０】また、請求項４に記載の発明によれば、割
り出し盤による歯車の一歯ごとの割り出し動作に同期し
て面取りバイトを回転運動させることにより、請求項１
または２に記載の発明と同様の手順で面取り加工が行わ
れるものであるから、請求項１または２に記載の発明と
同様に、面取りバイトと他の歯面との干渉を招くことな
く一回の面取り動作で歯底面側の面取りと歯面側の面取
りとを削り残しなく同時にかつ確実に行うことができ、
面取り工数の削減と設備費の低減を図ることができる効
果がある。According to the fourth aspect of the present invention, the chamfering tool is rotated in synchronism with the indexing operation of each tooth of the gear by the indexing disk.
Since the chamfering process is performed in the same procedure as in the invention described in the second aspect, the chamfering tool can be formed once without causing interference between the chamfering tool and another tooth surface, as in the first aspect. The chamfering operation at the bottom surface and the chamfer at the tooth surface side can be performed simultaneously and reliably without leaving uncut.
This has the effect of reducing the number of chamfering steps and equipment costs.
【００２１】[0021]
【発明の実施の形態】図１〜５は本発明の代表的な実施
の形態を示す図で、ハイポイドギヤのリングギヤＷを環
状の正面フライスカッタを用いた創成歯切り法により加
工した上で、図１の（Ｃ）に示すようにリングギヤＷ自
体の円筒外側面Ｑと凹状歯面Ｆ1とのなすコーナー部に
歯面側面取り部Ｃ1を形成するとともに、その凹状歯面
Ｆ1に隣接する歯底面ＢとリングギヤＷの円筒外側面Ｑ
とのなすコーナー部に歯底面側面取り部Ｃ2を形成する
場合の例を示している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 5 show a typical embodiment of the present invention, in which a ring gear W of a hypoid gear is processed by a generating gear cutting method using an annular face milling cutter. to form a tooth surface side chamfer portion C 1 to form a corner portion between the cylindrical outer surface Q and the concave tooth surface F 1 of the ring gear W itself, as shown in 1 (C), adjacent to the concave tooth surface F 1 Bottom surface B and cylindrical outer surface Q of ring gear W
Shows an example of a case of forming the tooth bottom side chamfer portion C 2 to form a corner portion between.
【００２２】より詳しくは、図１の（Ａ）および図２に
示すように、グリーソン式の勾配歯をもつリングギヤＷ
は歯切り盤における割り出し手段たるインデックス装置
５１のワークテーブルに位置決めクランプされており、
そのインデックス装置５１に隣接するようにしてベース
１上に面取りユニット２が配設されている。この面取り
ユニット２は、ベース１上に立設されたブラケット３に
対して図３〜５に示すような略Ｌ字状の面取りバイト４
をピン５を介して回転可能に支持させたもので、その面
取りバイト４の一端の長穴部６を直動型のアクチュエー
タである油圧シリンダ７のピストンロッド８にピン９を
介して係合させてある。したがって、油圧シリンダ７を
伸縮動作させれば、それに応じて面取りバイト４がピン
５を回転中心として回転運動することになる。More specifically, as shown in FIG. 1A and FIG. 2, a ring gear W having Gleason-type gradient teeth
Is positioned and clamped on the work table of the indexing device 51 as indexing means in the gear cutting machine.
The chamfering unit 2 is arranged on the base 1 so as to be adjacent to the index device 51. The chamfering unit 2 has a substantially L-shaped chamfering tool 4 as shown in FIGS.
Is rotatably supported via a pin 5, and the elongated hole 6 at one end of the chamfering tool 4 is engaged via a pin 9 with a piston rod 8 of a hydraulic cylinder 7 which is a direct-acting actuator. It is. Therefore, if the hydraulic cylinder 7 is expanded and contracted, the chamfering tool 4 rotates accordingly with the pin 5 as the center of rotation.
【００２３】前記面取りバイト４は、リングギヤＷのう
ちインデックス装置５１によって所定の割り出し位置に
割り出された特定の歯溝に対応するようにリングギヤＷ
の円筒外側面Ｑと対向して配置されているもので、図３
〜５に示すように、ピン５が挿入されることになる支持
穴１０や長穴部６のほか、先端には剣バイト状の刃部１
１が一体に形成されている。The chamfering tool 4 is provided with a ring gear W so as to correspond to a specific tooth space of the ring gear W indexed to a predetermined index position by the index device 51.
3 is disposed facing the cylindrical outer surface Q of FIG.
As shown in FIGS. 5 to 5, in addition to the support hole 10 and the elongated hole 6 into which the pin 5 is to be inserted, a sword bit-shaped blade 1 is provided at the tip.
1 are integrally formed.
【００２４】そして、前記刃部１１の先端の切れ刃１１
ａの幅ａは加工対象となるリングギヤＷの歯底面Ｂの幅
寸法とほぼ同等の値に設定されているとともに、切れ刃
１１ａにはすくい角α1と横すくい角α2、前逃げ角β1
および横逃げ角β2をそれぞれもたせてある。なお、
α1，α2の値は０〜３°程度、βの値は５〜１０°、β
2の値は３〜５°程度に設定されている。The cutting edge 11 at the tip of the blade 11
with a width a of a is set to substantially the same value as the width of the bottom land B of the ring gear W to be processed, the rake angle in the cutting edge 11a alpha 1 and the lateral rake angle alpha 2, front clearance angle β 1
And the side clearance angle β 2 . In addition,
α 1 and α 2 are about 0 to 3 °, β is 5 to 10 °, β
The value of 2 is set to about 3 to 5 degrees.
【００２５】ここで、前記面取りバイト４の回転中心と
なるピン５の軸心はリングギヤＷの軸心Ｏに対してねじ
れの関係にあって、図１の（Ｂ）にも示すようにピン５
を回転中心として面取りバイト４を回転運動させたとき
には、その面取りバイト５の切れ刃１１ａが軸跡Ｄを描
くように設定されている。すなわち、リングギヤＷの側
面視において、軸跡Ｄの幅内に歯底面Ｂの幅と、凹状歯
面Ｆ1とリングギヤＷの円筒外側面Ｑとのなす稜線部
（コーナー部）を含みつつ、その軸跡Ｄが凸状歯面Ｆ2
側から凹状歯面Ｆ1側に向かいながら、かつ歯底面Ｂ側
から歯先面Ｔ側に向かって斜めとなるように設定されて
いる。Here, the axis of the pin 5 serving as the center of rotation of the chamfering tool 4 is in a torsional relationship with the axis O of the ring gear W, and as shown in FIG.
When the chamfering tool 4 is rotated about the center of rotation, the cutting edge 11a of the chamfering tool 5 is set to draw an axis trace D. That is, in a side view of the ring gear W, the width of the tooth bottom B and the ridge line (corner) formed by the concave tooth surface F 1 and the cylindrical outer surface Q of the ring gear W are included in the width of the shaft trace D. Shaft trace D is convex tooth surface F 2
While it directed from the side on the concave tooth surface F 1 side, and is set to be oblique toward the root surface B side on the tooth crest T side.
【００２６】したがって、本実施の形態によれば、歯切
り加工を終えたリングギヤＷが歯切り盤におけるインデ
ックス装置５１のワークテーブルに位置決めクランプさ
れている状態で、歯切り加工時と同様にリングギヤＷを
一歯ずつ取り出し回転させる一方、その割り出し回転に
同期しつつその割り出し回転が停止したタイミングで面
取りバイト４をその都度一往復だけ回転運動させる。す
なわち、面取りバイト４の回転運動における下方から上
方への動きである往路で面取り加工のための切り込み送
りを与える一方、面取りバイト４の上方から下方への動
きである復路で初期状態に復帰させるべく戻り運動させ
る。Therefore, according to the present embodiment, the ring gear W after the gear cutting is positioned and clamped on the work table of the index device 51 in the gear cutting machine, and the ring gear W The beveling tool 4 is rotated by one reciprocation each time the indexing rotation is stopped while synchronizing with the indexing rotation. In other words, in order to provide cutting feed for chamfering in the outward movement, which is a downward movement of the chamfering tool 4 in the upward movement, and to return to the initial state in the return movement, which is the upward movement of the chamfering tool 4. Return to exercise.
【００２７】このような面取りバイト４の回転運動によ
って切れ刃１１ａは図１の（Ｂ）に示すような軸跡Ｄを
描くことから、歯底面Ｂの全幅においてその歯底面Ｂと
リングギヤＷの円筒外側面Ｑとのなす稜線部（コーナー
部）が削り取られて図１の（Ｃ）に示すように歯底面側
面取り部Ｃ2が形成されるとともに、その歯底面Ｂに隣
接する凹状歯面Ｆ1においては該凹状歯面Ｆ1とリングギ
ヤＷの円筒外側面Ｑとのなす稜線部（コーナー部）が削
り取られて歯面側面取り部Ｃ1が形成されることにな
る。Since the cutting edge 11a draws an axis trace D as shown in FIG. 1B due to the rotational movement of the chamfering tool 4, the tooth bottom B and the cylinder of the ring gear W over the entire width of the tooth bottom B. together form ridge portion of the outer surface Q (corner portion) is scraped off the tooth bottom side chamfer portion C 2 as shown in (C) of FIG. 1 is formed, the concave tooth surface F adjacent to the bottom land B In 1 , the ridge (corner) formed by the concave tooth surface F 1 and the cylindrical outer surface Q of the ring gear W is cut off to form a tooth surface chamfer C 1 .
【００２８】その結果として、従来のように面取りバイ
ト４が凸状歯面Ｆ2と干渉することもなければ、歯底面
側面取り部Ｃ2で図１４に示したような削り残し部ｂが
発生することもなく、一工程内で歯底面側面取り部Ｃ2
と歯面側面取り部Ｃ1とを同時に形成することができ
る。[0028] As a result, if also conventional chamfering byte 4 as to interfere with the convex tooth surface F 2, uncut portions b as shown in FIG. 14 in the bottom land side chamfer portion C 2 is generated Root bottom chamfer C 2 in one process without
It can be formed simultaneously and the tooth surface side chamfer portion C 1 and.
【００２９】しかも、面取り加工時の割り出し手段とし
て歯切り盤のインデックス装置５１を共用していること
から、歯きり盤とは別に専用の面取り盤を用意する必要
もない。Further, since the indexing device 51 for the gear cutting machine is shared as the indexing means at the time of chamfering, there is no need to prepare a special chamfering machine separately from the gear cutting machine.
【００３０】なお、上記の実施の形態では、ハイポイド
ギヤにおけるリングギヤＷの凹状歯面Ｆ1に面取り加工
を施す場合について例示したが、本発明は凸状歯面Ｆ2
の面取りやハイポイドピニオンギヤあるいはまがり歯か
さ歯車の面取り加工に適用できることはもちろんのこ
と、歯形形状として匂配歯であるか等高歯であるかも特
に問わないものである。[0030] Incidentally, in the above embodiment, while an example has been shown where chamfering on the concave tooth surface F 1 of the ring gear W in hypoid, the present invention is convex tooth surface F 2
Not only can it be applied to the chamfering of a hypoid pinion gear or a beveled bevel gear, but it does not matter whether the tooth shape is a sloping tooth or an equal tooth.
【図１】本発明の代表的な実施の形態を示す図で、
（Ａ）は面取り加工装置の要部の平面説明図、（Ｂは）
面取りバイトの軌跡を示す説明図、（Ｃ）は面取りされ
た歯形の要部斜視図。FIG. 1 is a diagram showing a typical embodiment of the present invention;
(A) is an explanatory plan view of a main part of the chamfering apparatus, (B) is
Explanatory drawing which shows the locus | trajectory of a chamfering bit, (C) is a principal part perspective view of the chamfered tooth profile.
【図２】図１の（Ａ）に示す面取り装置の正面説明図。FIG. 2 is an explanatory front view of the chamfering device shown in FIG.
【図３】面取りバイトの拡大正面図。FIG. 3 is an enlarged front view of a chamfering tool.
【図４】図３の左側面図。FIG. 4 is a left side view of FIG. 3;
【図５】図３のｅ方向矢視図。FIG. 5 is a view in the direction of arrow e in FIG. 3;
【図６】ハイポイドリングギヤの平面図。FIG. 6 is a plan view of a hypoid ring gear.
【図７】図６に示すハイポイドギヤの全断面図。FIG. 7 is a full sectional view of the hypoid gear shown in FIG. 6;
【図８】図６のｇ部拡大斜視図。FIG. 8 is an enlarged perspective view of a part g in FIG. 6;
【図９】従来の面取り形態の一例を示す平面説明図。FIG. 9 is an explanatory plan view showing an example of a conventional chamfering mode.
【図１０】図９の正面説明図。FIG. 10 is an explanatory front view of FIG. 9;
【図１１】図１０に示す面取りバイトの拡大正面図。FIG. 11 is an enlarged front view of the chamfering tool shown in FIG. 10;
【図１２】図１１の左側面図。FIG. 12 is a left side view of FIG. 11;
【図１３】図１１のｈ方向矢視図。FIG. 13 is a view taken in the direction of the arrow h in FIG. 11;
【図１４】ばりの削り残し部が生じたハイポイドリング
ギヤの歯形の要部拡大斜視図。FIG. 14 is an enlarged perspective view of a main part of the tooth shape of the hypoid ring gear in which the uncut portion of the flash is generated.
４…面取りバイト ７…油圧シリンダ（アクチュエータ） ５１…インデックス装置（割り出し手段） Ｂ…歯底面 Ｃ１…歯面側面取り部 Ｃ２…歯底面側面取り部 Ｄ…バイト切れ刃の軌跡 Ｆ１…凹状歯面 Ｆ２…凸状歯面 Ｔ…歯先面 Ｑ…円筒外側面 Ｗ…ハイポイドリングギヤ 4: Chamfering tool 7: Hydraulic cylinder (actuator) 51: Indexing device (indexing means) B: Bottom surface C1: Chamfer side chamfer C2: Bottom surface chamfer D: Tool locus of cutting edge F1: Concave tooth surface F2 ... Convex tooth surface T ... Tooth end surface Q ... Cylinder outer surface W ... Hypoid ring gear
Claims (4)
車について歯車の円筒側面と歯面および歯底面とのなす
それぞれのコーナー部に面取り加工を施す方法であっ
て、 前記歯車の円筒側面と凹状もしくは凸状のいずれか一方
の歯面とのなすコーナー部、およびその一方の歯面に隣
接する歯底面と歯車の円筒側面とのなすコーナー部をそ
れぞれ削り取るような軌跡となるように、刃部が剣バイ
ト状の面取りバイトを、歯底面側から歯先面側に向けて
斜めに回転変位させることを特徴とする歯車の面取り加
工方法。1. A method of chamfering a hypoid gear or a spiral bevel gear on respective corners formed by a cylindrical side surface, a tooth surface and a tooth bottom surface of a gear, wherein the cylindrical side surface of the gear and a concave or convex shape are formed. The blade is shaped like a sword bite so that the corners that make up one of the tooth surfaces and the corners that make up the tooth bottom adjacent to one of the tooth surfaces and the corner that makes up the cylindrical side surface of the gear are cut off. A chamfering method for a gear, characterized in that the chamfering tool is rotationally displaced obliquely from the tooth bottom side to the tooth tip side.
すコーナー部、およびその凹状歯面に隣接する歯底面と
歯車の円筒外側面とのなすコーナー部をそれぞれ削り取
るような軌跡となるように、面取りバイトを、歯底面側
から歯先面側に向けて且つ凹状歯面と対向する凸状歯面
側から凹状歯面側に向けて斜めに回転変位させることを
特徴とする請求項１記載の歯車の面取り加工方法。2. A locus for shaving a corner formed between the cylindrical outer surface of the gear and the concave tooth surface and a corner formed between a tooth bottom adjacent to the concave tooth surface and the cylindrical outer surface of the gear. The chamfering tool is rotationally displaced obliquely from the tooth bottom side toward the tooth tip side and from the convex tooth side facing the concave tooth side toward the concave tooth side. 2. The method for chamfering a gear according to claim 1.
歯切り法により加工された歯車が歯切り盤の割り出し手
段に装着されている状態で、その歯車を一歯ずつ割り出
し回転させる一方、歯車の割り出し回転に同期して面取
りバイトを回転変位させることを特徴とする請求項１ま
たは２記載の歯車の面取り加工方法。3. A gear machined by a generating gear cutting method using an annular face milling cutter is mounted on an indexing means of a gear cutting machine. 3. The method for chamfering a gear according to claim 1, wherein the chamfering tool is rotationally displaced in synchronization with the indexing rotation.
法に用いられる面取り加工装置であって、 加工対象となる歯車を位置決めクランプして一歯ずつ割
り出し回転させる割り出し手段と、 前記歯車の円筒側面と対向するように該歯車に隣接して
割り出し位置に配置された回転可能な面取りバイトと、 前記割り出し手段による歯車の割り出し動作に同期して
面取りバイトを回転変位させるアクチュエータと、 を備えていることを特徴とする面取り加工装置。4. A chamfering apparatus used in the chamfering method according to claim 1 or 2, wherein an indexing means for positioning and clamping a gear to be machined and indexing and rotating one tooth at a time, and a cylinder of the gear. A rotatable chamfering tool disposed at an indexing position adjacent to the gear so as to face the side surface; and an actuator for rotating and displacing the chamfering tool in synchronization with the gear indexing operation by the indexing means. A chamfering apparatus characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35026096A JPH10180542A (en) | 1996-12-27 | 1996-12-27 | Method and device for chamfering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35026096A JPH10180542A (en) | 1996-12-27 | 1996-12-27 | Method and device for chamfering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10180542A true JPH10180542A (en) | 1998-07-07 |
Family
ID=18409304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35026096A Pending JPH10180542A (en) | 1996-12-27 | 1996-12-27 | Method and device for chamfering gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10180542A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109117C1 (en) * | 2001-02-24 | 2002-07-25 | Klingelnberg Gmbh | Burr removing device for conical gears has slotting tool guided and moved by two numerically controllable axes |
| US7422397B2 (en) | 2004-03-19 | 2008-09-09 | Klingelnberg Gmbh | Bevel gear cutting machine for chamfering and/or deburring edges on the teeth of a bevel gear |
| JP2009039800A (en) * | 2007-08-07 | 2009-02-26 | Mitsubishi Heavy Ind Ltd | Chamfering device and gear cutting machine having the same |
| US20120230791A1 (en) * | 2009-12-22 | 2012-09-13 | The Gleason Works | Method and apparatus for manufacturing bevel gears |
| JP5924799B1 (en) * | 2016-03-09 | 2016-05-25 | 株式会社クロイツ | Gear edge cutting tool and gear edge cutting device |
| JP5924798B1 (en) * | 2016-03-09 | 2016-05-25 | 株式会社クロイツ | Gear edge cutting tool and gear edge cutting device |
| JP2016168648A (en) * | 2015-03-13 | 2016-09-23 | 三菱重工工作機械株式会社 | Gear chamfering device and gear processing machine equipped with the gear chamfering device |
| US9943917B2 (en) | 2016-03-09 | 2018-04-17 | Kreuz Co., Ltd. | Gear edge cut-off tool and gear edge cut-off device |
| US10105775B2 (en) | 2016-06-23 | 2018-10-23 | Kreuz Co., Ltd. | Cutting tip, cutting tool and gear edge cut-off device |
-
1996
- 1996-12-27 JP JP35026096A patent/JPH10180542A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109117C1 (en) * | 2001-02-24 | 2002-07-25 | Klingelnberg Gmbh | Burr removing device for conical gears has slotting tool guided and moved by two numerically controllable axes |
| US7422397B2 (en) | 2004-03-19 | 2008-09-09 | Klingelnberg Gmbh | Bevel gear cutting machine for chamfering and/or deburring edges on the teeth of a bevel gear |
| JP2009039800A (en) * | 2007-08-07 | 2009-02-26 | Mitsubishi Heavy Ind Ltd | Chamfering device and gear cutting machine having the same |
| US20120230791A1 (en) * | 2009-12-22 | 2012-09-13 | The Gleason Works | Method and apparatus for manufacturing bevel gears |
| US9289839B2 (en) * | 2009-12-22 | 2016-03-22 | The Gleason Works | Method for manufacturing bevel gears |
| JP2016168648A (en) * | 2015-03-13 | 2016-09-23 | 三菱重工工作機械株式会社 | Gear chamfering device and gear processing machine equipped with the gear chamfering device |
| JP5924799B1 (en) * | 2016-03-09 | 2016-05-25 | 株式会社クロイツ | Gear edge cutting tool and gear edge cutting device |
| JP5924798B1 (en) * | 2016-03-09 | 2016-05-25 | 株式会社クロイツ | Gear edge cutting tool and gear edge cutting device |
| US9943917B2 (en) | 2016-03-09 | 2018-04-17 | Kreuz Co., Ltd. | Gear edge cut-off tool and gear edge cut-off device |
| US10105775B2 (en) | 2016-06-23 | 2018-10-23 | Kreuz Co., Ltd. | Cutting tip, cutting tool and gear edge cut-off device |
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