JP2003266241A - Gear processing method, and tool shaping method - Google Patents
Gear processing method, and tool shaping methodInfo
- Publication number
- JP2003266241A JP2003266241A JP2002073351A JP2002073351A JP2003266241A JP 2003266241 A JP2003266241 A JP 2003266241A JP 2002073351 A JP2002073351 A JP 2002073351A JP 2002073351 A JP2002073351 A JP 2002073351A JP 2003266241 A JP2003266241 A JP 2003266241A
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- Japan
- Prior art keywords
- tool
- worm
- gear
- work
- workpiece
- 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.)
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- Gear Processing (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、ウォーム状工具
を使用し、創成法により歯車を製作する歯車加工方法に
関し、例えば歯車研削、ホブ切り、超硬ホブを使用した
スカイビング加工等に適用する歯車加工方法とウォーム
状工具の成形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 gear machining method for producing a gear by a generating method using a worm-like tool, and is applied to, for example, gear grinding, hobbing, skiving using a super hard hob, and the like. The present invention relates to a gear machining method and a worm-shaped tool forming method.
【０００２】[0002]
【従来の技術】一般に創成法は工具と歯車素材（ブラン
ク又はワーク）とに理論的な相対運動を与えながら、歯
形を削り出すものである。ホブ等のウォーム状工具を用
いるものでは、工具軸とワーク軸を同期回転させながら
歯車を創成し、工具をワーク軸方向に沿って移動させて
切削等の加工を行っていた。2. Description of the Related Art Generally, a generating method is to cut out a tooth profile while giving a theoretical relative motion to a tool and a gear material (blank or work). In the case of using a worm-shaped tool such as a hob, gears are created while rotating the tool axis and the work axis synchronously, and the tool is moved along the work axis direction to perform machining such as cutting.
【０００３】この時工具が１回転することによりワーク
は１ピッチ（１歯）分だけ回転するように位相が設定さ
れており、切刃とワークの位置関係は変化することなく
一定に保たれている。At this time, the phase is set so that the work rotates by one pitch (one tooth) by one rotation of the tool, and the positional relationship between the cutting edge and the work is kept constant without changing. There is.
【０００４】[0004]
【発明が解決しようとする課題】しかし上記のようにウ
ォーム状工具を使用し、創成法により歯車を製作する場
合、例えば歯面粗さが大きい、精度不良、ギヤノイズの
発生等のように加工方法に起因する不具合があった。However, when a gear is manufactured by the generating method using the worm-shaped tool as described above, a machining method such as a large tooth surface roughness, poor accuracy, and generation of gear noise is required. There was a problem caused by.
【０００５】即ち、ライスハウアー式研削に代表される
歯車研削では、図１（Ａ）に示すように歯筋方向に筋が
入り、面粗度が悪く、ギヤ同士を噛合わせて回転する
と、ギヤノイズ（高周波ノイズ）が発生し、自動車では
ミッションノイズとなり車のグレード低下にもつながる
ものであった。That is, in gear grinding represented by Reishauer type grinding, as shown in FIG. 1 (A), a streak is formed in the tooth trace direction, the surface roughness is poor, and when gears are meshed and rotated, gear noise is generated. (High-frequency noise) is generated, and in a car, it becomes a mission noise, which leads to a reduction in the grade of the car.
【０００６】また、ホブ切りでは、図１（Ｂ）に示すよ
うにカッタマークと呼ぶうろこ状の凸凹が歯面にでき、
自動車用量産歯車ではホブ切り工程の後にシェービング
工程という仕上げ工程が必要である等の問題があった。Further, in the hobbing, as shown in FIG. 1 (B), a scale-like unevenness called a cutter mark is formed on the tooth surface,
The mass production gear for automobiles has a problem that a finishing process called a shaving process is required after the hobbing process.
【０００７】さらに、ウォーム状工具を機械に取り付け
た状態での軸振れや工具自体の加工誤差等によって発生
する加工時の刃先の振れにより、歯形のうねりが発生
し、また工具をシフトするとシフトの前後で歯形が変化
するという問題を抱えていた。また、この歯形のうねり
による騒音（ギヤノイズ）も問題であった。このため工
具を振れなく取り付けることが必要で、工具自体の精
度、機械の精度を最高の状態にする必要があり、高コス
トの原因にもなっていた。その他加工機内でウォーム状
工具を成形する場合、加工機の加工をする機能とは別の
成形機能（装置）を持たせる必要があり、加工機が高価
となっていた。Further, due to the runout of the cutting edge caused by the shaft run-out in the state where the worm-like tool is attached to the machine and the machining error of the tool itself, the tooth profile waviness occurs, and the shift of the tool causes the shift. I had a problem that the tooth profile changed before and after. Further, noise (gear noise) due to the waviness of the tooth profile was also a problem. For this reason, it is necessary to mount the tool without shaking, and it is necessary to bring the accuracy of the tool itself and the accuracy of the machine to the highest level, which is also a cause of high cost. In addition, when forming a worm-shaped tool in a processing machine, it is necessary to have a forming function (device) different from the processing function of the processing machine, and the processing machine is expensive.
【０００８】ここで上記歯形のうねりについて説明する
と、図２は工具（ホブ）２１の切刃の進み角に沿った断
面図で、この例では１〜１２の切刃を備えている。いま
工具の中心をＯ1とし、Ｏ1より長さＬ1だけ偏心した位
置に工具２１の回転中心があると仮定すると、工具回転
時の切刃４，７の切削位置における振れ量は、Ｌ2，２
×Ｌ1（切刃１０の振れ量もＬ２）となる。The waviness of the tooth profile will be described below. FIG. 2 is a sectional view taken along the lead angle of the cutting edge of the tool (hob) 21. In this example, 1 to 12 cutting edges are provided. Assuming that the center of the tool is O 1 and that the center of rotation of the tool 21 is located at a position eccentric from the O 1 by a length L 1 , the amount of runout at the cutting positions of the cutting edges 4 and 7 during tool rotation is L. Two two
× L 1 (the amount of deflection of the cutting edge 10 is also L 2 ).
【０００９】これをワーク２２の歯形切削時の状態とし
て比較表示したものが図３（Ａ），（Ｂ）であり、切刃
１，４，７の歯２３に対する切削位置を示す。同図
（Ａ）は中心Ｏ1，Ｏ2が一致した正常な状態を示し、同
図（Ｂ）の破線は回転中心がＯ2に偏心した場合の切刃
位置である。そして図３（Ｃ）は両方のケースの歯形断
面における歯面２４ａ，２４ｂはそれぞれ正常に切削さ
れた場合と工具２１の振れによって形成された場合を示
す。3A and 3B show the state of the workpiece 22 when cutting the tooth profile of the workpiece 22, and show the cutting positions of the cutting edges 1, 4, and 7 with respect to the tooth 23. The figure (A) shows a normal state where the centers O 1 and O 2 coincide with each other, and the broken line in the figure (B) shows the cutting edge position when the rotation center is eccentric to O 2 . Then, FIG. 3C shows a case where the tooth surfaces 24a and 24b in the tooth profile cross section of both cases are respectively cut normally and formed by the deflection of the tool 21.
【００１０】上図から明らかなように歯面２４ａに対
し、歯面２４ｂは歯面の加工誤差（うねり）２６として
表れ、このうねり２６はワーク２２の１ピッチに対する
工具２１の回転の位相が同一である場合は各歯２３の歯
面２４において歯筋方向に連続して形成され、前述した
ギヤノイズ等の問題を生じることになる。As is apparent from the above figure, the tooth surface 24b appears as a tooth surface machining error (waviness) 26 with respect to the tooth surface 24a, and this waviness 26 has the same phase of rotation of the tool 21 for one pitch of the work 22. In such a case, the tooth surface 24 of each tooth 23 is continuously formed in the tooth trace direction, which causes the above-described problem such as gear noise.
【００１１】[0011]
【課題を解決するための手段】この発明は上記のような
歯車製作上の問題点を改善する歯車加工方法を提供する
ことを目的としており、第１にウォーム状工具を使用
し、創成法により歯車を製作する加工方法において、工
具とワークの位相をずらしながら加工することを特徴と
している。SUMMARY OF THE INVENTION It is an object of the present invention to provide a gear machining method that solves the above-mentioned problems in gear production. First, a worm-like tool is used, and In the processing method for manufacturing a gear, it is characterized by processing while shifting the phase of the tool and the work.
【００１２】第２に、ウォーム状工具を使用し、創成法
により歯車を製作する加工方法において、工具とワーク
の位相をずらしながら同時に工具をワーク軸方向に沿っ
て移動させて加工することを特徴としている。Secondly, in a machining method for producing a gear by a generating method using a worm-shaped tool, the tool and the work are shifted in phase while being simultaneously moved in the axial direction of the work. I am trying.
【００１３】第３に、ウォーム状工具を使用し、創成法
により歯車を製作する加工方法において、工具を工具軸
方向に移動することによりワークとの位相をずらしなが
ら同時に工具をワーク軸方向に移動させて加工すること
を特徴としている。Thirdly, in a machining method in which a worm-like tool is used and a gear is manufactured by the generation method, the tool is moved in the tool axis direction to move the tool in the work axis direction while shifting the phase with the work. It is characterized by being processed.
【００１４】第４に、ウォーム状工具は、加工機内でツ
ルーイングした工具，加工機の外でツルーイングした工
具、電着ウォーム状工具、又は超硬ホブを含むホブであ
ることを特徴としている。Fourthly, the worm-shaped tool is a hob including a tool trued inside the processing machine, a tool trued outside the processing machine, an electrodeposition worm-shaped tool, or a cemented carbide hob.
【００１５】第５に、工具とワークの位相のずらし量
が、ワーク１回転当りのウォーム状工具の回転角ずらし
量が５゜〜９０゜の範囲であることを特徴としている。Fifthly, the phase shift amount of the tool and the work is characterized in that the rotation angle shift amount of the worm-shaped tool per one rotation of the work is in the range of 5 ° to 90 °.
【００１６】第６に、ドレスギヤを使用し、創成法によ
りウォーム状工具を成形する方法において、創成方法に
おけるワークをドレスギヤに置き換えたことを特徴とし
ている。Sixth, in a method of forming a worm-shaped tool by a generating method using a dress gear, the work in the generating method is replaced with a dress gear.
【００１７】[0017]
【発明の実施の形態】図４（Ａ），（Ｂ）は平歯車であ
るワーク２２をウォーム状工具２１で歯面研削加工する
場合の正面図及び平面図で、工具２１自体も工具２１及
びワーク２２を回転させること自体も在来方法と変わる
処はない。4 (A) and 4 (B) are a front view and a plan view in the case of grinding a tooth surface of a work 22 which is a spur gear with a worm-like tool 21, and the tool 21 itself is also the tool 21 and Rotating the work 22 itself is no different from the conventional method.
【００１８】しかし、本発明においてはワーク２２と工
具２１との駆動の位相を僅かにずらすことに特徴があ
り、工具２１をワーク軸２７の方向に沿って切込方向に
移動する工具２１とワーク２２の相対的移動（送り）を
行うことも従来の方法と共通である。However, the present invention is characterized in that the driving phases of the work 22 and the tool 21 are slightly deviated, and the tool 21 and the work 21 that move the tool 21 in the cutting direction along the direction of the work shaft 27. The relative movement (feed) of 22 is also common to the conventional method.
【００１９】工具２１とワーク２２の駆動の位相をずら
す方法について説明すると、一般にワーク２２の１歯
（ピッチ）に対しウォーム状工具２１は１回転するか
ら、ワーク２２の１回転に対して工具２１はワーク２２
の歯数に対応する回転数となるが、この発明の１例とし
て、ワーク２２の１回転に対する工具２１の回転量を歯
数に対応する回転数（角）より進み方向又は遅れ方向に
５゜〜９０゜ずらして回転させる方法がある。A method of shifting the driving phase of the tool 21 and the work 22 will be described. Generally, since the worm-shaped tool 21 makes one revolution for one tooth (pitch) of the work 22, the tool 21 makes one revolution for the work 22. Is work 22
However, as one example of the present invention, the rotation amount of the tool 21 with respect to one rotation of the work 22 is 5 ° in the advancing direction or the lagging direction from the rotation speed (angle) corresponding to the tooth number. There is a method of rotating it by shifting it by 90 degrees.
【００２０】ウォーム状工具２１の製作上又は取付構造
上の原因による工具切刃のワークに対する出入り移動で
ある振れはサインカーブとなるため、ワーク１回転当た
りでは上記範囲の位相ずれ量が望ましく、ワーク１回転
当たりの工具の送り量，工具径にもよるが、歯面創成加
工影響範囲でのトータル位相ずれ量が実験的には９０゜
のずれが最も効果的である。Since the deflection, which is the movement of the tool cutting edge in and out of the work due to the manufacturing or mounting structure of the worm-shaped tool 21, becomes a sine curve, the phase shift amount within the above range is desirable per one rotation of the work. Although it depends on the feed amount of the tool per one rotation and the tool diameter, it is experimentally most effective that the total phase shift amount in the influence range of the tooth surface creation is 90 °.
【００２１】例えば図５に示すように、歯２３の歯面２
４研削時に工具２１の研削の送り量Ｓの大小及び工具径
の大小により、順次隣接する前回加工面２４ｃと次回加
工面２４ｄとの重なり（歯面創成加工影響範囲）が異な
り、位相変化した切刃で前回加工面をどの程度次回に加
工できるかが決まる。For example, as shown in FIG. 5, the tooth surface 2 of the tooth 23
4 When grinding, the overlap between the previous machining surface 24c and the next machining surface 24d (tooth surface creation machining influence range) that are sequentially adjacent differs due to the magnitude of the feed amount S of grinding of the tool 21 and the magnitude of the tool diameter, and the phase change cutting The blade determines how much the previously machined surface can be machined next time.
【００２２】逆に上記工具２１の回転角に位相のずれを
与える代わりに、このずれに相当する位相ずれをワーク
２２側にその回転角のずれとして与えることも可能であ
り、いずれの場合も工具２１又はワーク２２の回転駆動
量又は速度の制御若しくは設定による。On the contrary, instead of giving a phase shift to the rotation angle of the tool 21, it is possible to give a phase shift corresponding to this shift to the work 22 side as a shift of the rotation angle. 21 or by controlling or setting the rotational drive amount or speed of the work 22.
【００２３】また工具２１を工具軸２８の方向に右又は
左移動させることによってワーク２２と工具２１の位相
をずらすことも可能であり、この方法では工具軸２８又
は工具２１の切削部分を軸方向に移動させる駆動手段が
必要となる。なお上記ウォーム状工具２１としては、加
工機内でツルーイングした工具，予めツルーイングした
工具，電着ウォーム状工具，超硬ホブを含むホブ等の使
用が可能である。It is also possible to shift the phase of the work 22 and the tool 21 by moving the tool 21 right or left in the direction of the tool shaft 28. In this method, the cutting portion of the tool shaft 28 or the tool 21 is axially moved. A driving means for moving to is required. As the worm-shaped tool 21, it is possible to use a tool that has been trued in the processing machine, a tool that has been trued in advance, an electrodeposition worm-shaped tool, a hob including a carbide hob, or the like.
【００２４】上記実施形態では歯車加工について説明し
たが、例えば図４におけるワーク２２の代わりにダイヤ
モンド等を電着したドレスギヤに置き換え、上記創成方
法を用いウォーム状工具を成形創成することもできる。Although gear machining has been described in the above embodiment, for example, instead of the work 22 shown in FIG. 4, a dress gear in which diamond or the like is electrodeposited may be replaced to form a worm-shaped tool by using the above-described generation method.
【００２５】[0025]
【発明の効果】以上説明したように、本発明において
は、工具の位相をずらす、すなわち切刃とワークの位置
関係をずらすことにより、歯面を加工する切れ刃が少し
ずつ移動することになる。そのことにより切削時の切刃
の位置の誤差による歯面の凹凸の内凸部分の大部分が除
去され、また凹凸が定位置に集中することなく分散形成
されるため、歯車研削時表面凹凸による筋がなくなる。As described above, in the present invention, by shifting the phase of the tool, that is, shifting the positional relationship between the cutting edge and the work, the cutting edge for processing the tooth surface is moved little by little. . As a result, most of the inner convex parts of the tooth surface irregularities due to the error of the cutting edge position during cutting are removed, and the irregularities are dispersed and formed without being concentrated at fixed positions. The muscle is gone.
【００２６】またホブ切り時においては、位相ずれによ
り作用切刃がふえるため、多角形誤差の減少及び凹凸の
分散成形により、カッターマークがほぼなくなる。When hobbing, the working cutting edge moves due to the phase shift, so that the polygon mark error is reduced and the unevenness is dispersedly formed, so that the cutter mark is almost eliminated.
【００２７】位相のずらし量を適切に設定又は選択する
ことにより歯形のうねりを打ち消すことによりうねりが
解消できる。ギヤノイズの解消目的の場合、従来の加工
工程として歯車研削後に最終仕上げ加工を行う後工程は
不要となり大幅なコストダウンになる。The undulation can be eliminated by canceling the undulation of the tooth profile by appropriately setting or selecting the phase shift amount. For the purpose of eliminating gear noise, a post-process of performing a final finishing process after grinding a gear is not necessary as a conventional machining process, which results in a significant cost reduction.
【００２８】歯形のうねりを解消する為、従来は工具自
体の精度、機械の精度を最高の状態にする必要があり、
このため工具、機械ともに高価なものになって実用的で
ない面もあったが、本発明の方法により安価で実用性の
ある加工方法を提供出来る。In order to eliminate the waviness of the tooth profile, it has conventionally been necessary to maximize the accuracy of the tool itself and the accuracy of the machine.
Therefore, both the tool and the machine are expensive and not practical, but the method of the present invention can provide a cheap and practical working method.
【００２９】また、振れを完全に０には出来ないため、
従来はこの工法（ウォーム状工具を使用し、創成で歯車
を製作する）自体が使えない場合も生じていたのに対
し、本発明の方法により、この工法を使える範囲も広が
る等の利点がある。Further, since the shake cannot be completely reduced to 0,
In the past, this method (using a worm-shaped tool to create a gear by creation) itself could not be used, but the method of the present invention has the advantage of expanding the range of use of this method. .
【００３０】その他加工機内でウォーム状工具を成形す
る場合、加工機の加工をする機能とは別の成形機能（装
置）を持たせる必要があり、加工機が高価となってい
た。本発明を実施することにより、加工機に別の成形機
能（装置）を持たせる必要がなく、安価な機械になる。In the case of forming a worm-shaped tool in the processing machine, it is necessary to have a forming function (apparatus) different from the processing function of the processing machine, which makes the processing machine expensive. By implementing the present invention, it is not necessary to provide the processing machine with another molding function (device), and the machine becomes an inexpensive machine.
【図面の簡単な説明】[Brief description of drawings]
【図１】（Ａ），（Ｂ）は従来の歯車加工方法による歯
形の歯面状態を示す斜視図である。1A and 1B are perspective views showing a tooth surface state of a tooth profile by a conventional gear machining method.
【図２】ホブの切刃の進み角に沿った断面形状を示す図
面である。FIG. 2 is a drawing showing a cross-sectional shape along a lead angle of a cutting edge of a hob.
【図３】（Ａ），（Ｂ），（Ｃ）はワークの歯形切削時
の正常な状態及び不正常な状態を示す説明図である。3 (A), (B), and (C) are explanatory views showing a normal state and an abnormal state at the time of cutting a tooth profile of a work.
【図４】（Ａ），（Ｂ）は歯車研削時のウォーム状工具
とワークを示す正面図と平面図である。4A and 4B are a front view and a plan view showing a worm-shaped tool and a work during gear grinding.
【図５】工具送り量と加工面の重なり状態（歯面創成加
工影響範囲）との関係を示す説明用断面図である。FIG. 5 is an explanatory cross-sectional view showing a relationship between a tool feed amount and an overlapping state of processing surfaces (tooth surface generating processing influence range).
２１ 工具 ２２ ワーク ２３ 歯 ２４，２４ａ，２４ｂ 歯面 ２６ 加工誤差（うねり） ２７ ワーク軸 ２８ 工具軸 21 tools 22 Work 23 teeth 24, 24a, 24b tooth surface 26 Processing error (swell) 27 Work axis 28 Tool Axis
───────────────────────────────────────────────────── フロントページの続き (72)発明者 村田 丈一 島根県簸川郡斐川町大字上直江2139番地の ５ 清和鉄工株式会社内 (72)発明者 佐藤 幸利 島根県簸川郡斐川町大字上直江2139番地の ５ 清和鉄工株式会社内 (72)発明者 三木 慎也 島根県簸川郡斐川町大字上直江2139番地の ５ 清和鉄工株式会社内 Ｆターム(参考） 3C025 AA01 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Joichi Murata Shimane prefecture Hikawa-cho Hikawa-cho 5 Within Seiwa Iron Works Co., Ltd. (72) Inventor Kotoshi Sato Shimane prefecture Hikawa-cho Hikawa-cho 5 Within Seiwa Iron Works Co., Ltd. (72) Inventor Shinya Miki Shimane prefecture Hikawa-cho Hikawa-cho 5 Within Seiwa Iron Works Co., Ltd. F-term (reference) 3C025 AA01
Claims (6)
り歯車を製作する加工方法において、工具とワークの位
相をずらしながら加工する歯車加工方法。1. A machining method for producing a gear by a generating method using a worm-shaped tool, wherein the gear is machined while shifting the phase of the tool and the work.
り歯車を製作する加工方法において、工具とワークの位
相をずらしながら同時に工具をワーク軸方向に沿って移
動させて加工する歯車加工方法。2. A machining method for producing a gear by a generating method using a worm-shaped tool, wherein the gear is machined by simultaneously moving the tool along the work axis direction while shifting the phase of the tool and the work.
り歯車を製作する加工方法において、工具を工具軸方向
に移動することによりワークとの位相をずらしながら同
時に工具をワーク軸方向に移動させて加工する歯車加工
方法。3. A machining method for producing a gear by a generating method using a worm-shaped tool, wherein the tool is moved in the axial direction of the tool and the tool is moved in the axial direction of the workpiece while shifting the phase with the workpiece. Gear processing method to process.
イングした工具，加工機の外でツルーイングした工具、
電着ウォーム状工具、又は超硬ホブを含むホブである請
求項１，２，３に記載の歯車加工方法。4. The worm-shaped tool is a tool trued inside the processing machine, a tool trued outside the processing machine,
The gear machining method according to claim 1, 2, or 3, which is an electrodeposition worm-shaped tool or a hob including a cemented carbide hob.
ク１回転当りのウォーム状工具の回転角ずらし量が５゜
〜９０゜の範囲である請求項１，２，３，４に記載の歯
車加工方法。5. The phase shift amount between the tool and the work is such that the rotation angle shift amount of the worm-shaped tool per one rotation of the work is in the range of 5 ° to 90 °. Gear processing method.
ーム状工具を成形する方法において、請求項１，２，３
におけるワークをドレスギヤに置き換えた請求項１，
２，３に記載のウォーム状工具を成形する方法。6. A method for forming a worm-shaped tool by a generation method using a dress gear, wherein
The work in claim 1 is replaced with a dress gear.
A method for forming the worm-shaped tool according to any one of claims 2 and 3.
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| JP2002073351A JP4326745B2 (en) | 2002-03-15 | 2002-03-15 | Gear machining method |
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|---|---|---|---|
| JP2002073351A JP4326745B2 (en) | 2002-03-15 | 2002-03-15 | Gear machining method |
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| JP4326745B2 JP4326745B2 (en) | 2009-09-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011111808A1 (en) * | 2010-03-12 | 2011-09-15 | 三菱マテリアル株式会社 | Threaded electrodeposition tool and gear processing method using threaded electrodeposition tool |
| JP2011194514A (en) * | 2010-03-19 | 2011-10-06 | Honda Motor Co Ltd | Method of machining helical gear |
| JP2016083748A (en) * | 2014-10-28 | 2016-05-19 | トーヨーエイテック株式会社 | Method for manufacturing gear wheel by gear wheel grinding machine |
| JP7487077B2 (en) | 2020-11-17 | 2024-05-20 | 株式会社日立ニコトランスミッション | Gear Manufacturing Method |
-
2002
- 2002-03-15 JP JP2002073351A patent/JP4326745B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011111808A1 (en) * | 2010-03-12 | 2011-09-15 | 三菱マテリアル株式会社 | Threaded electrodeposition tool and gear processing method using threaded electrodeposition tool |
| JP2011189434A (en) * | 2010-03-12 | 2011-09-29 | Mitsubishi Materials Corp | Threaded electrodeposition tool and gear processing method using threaded electrodeposition tool |
| JP2011194514A (en) * | 2010-03-19 | 2011-10-06 | Honda Motor Co Ltd | Method of machining helical gear |
| JP2016083748A (en) * | 2014-10-28 | 2016-05-19 | トーヨーエイテック株式会社 | Method for manufacturing gear wheel by gear wheel grinding machine |
| JP7487077B2 (en) | 2020-11-17 | 2024-05-20 | 株式会社日立ニコトランスミッション | Gear Manufacturing Method |
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| JP4326745B2 (en) | 2009-09-09 |
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