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JP6928827B2 - Skying cutter - Google Patents
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JP6928827B2 - Skying cutter - Google Patents

Skying cutter Download PDF

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JP6928827B2
JP6928827B2 JP2017092028A JP2017092028A JP6928827B2 JP 6928827 B2 JP6928827 B2 JP 6928827B2 JP 2017092028 A JP2017092028 A JP 2017092028A JP 2017092028 A JP2017092028 A JP 2017092028A JP 6928827 B2 JP6928827 B2 JP 6928827B2
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tooth
gear
cutter
parallel
skiving cutter
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JP2018187714A (en
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達也 西野
達也 西野
慶紀 小林
慶紀 小林
正行 津野
正行 津野
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Nachi Fujikoshi Corp
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Nachi Fujikoshi Corp
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Description

本発明は、歯車を加工するために用いる歯切工具であるスカイビングカッタに関する。 The present invention relates to a skiving cutter, which is a gear cutting tool used for machining gears.

従来よりピニオンカッタやスカイビングカッタに代表される歯切工具を用いた被削物（ワーク）の加工では、被削材である歯車を構成する歯部の先端に面取り加工を施す場合があった。その場合には、歯切工具の歯底付近に面取りを施す専用の刃部が設けられている。 Conventionally, in the machining of a work piece (workpiece) using a gear cutting tool typified by a pinion cutter or a skiving cutter, the tip of a tooth portion constituting a gear, which is a work material, may be chamfered. .. In that case, a dedicated blade portion for chamfering is provided near the tooth bottom of the gear cutting tool.

例えば、特許文献１ないし３には歯先と歯底の間に傾斜した刃部（面取り専用刃部）を備えたピニオンカッタが開示されている。この様な歯切工具を使用することで、被削材の内周側に歯車を加工すると同時に、その歯車の歯部の先端に面取り加工を施すことができる。 For example, Patent Documents 1 to 3 disclose a pinion cutter provided with an inclined blade portion (chamfering blade portion) between a tooth tip and a tooth bottom. By using such a gear cutting tool, the gear can be machined on the inner peripheral side of the work material, and at the same time, the tip of the tooth portion of the gear can be chamfered.

特開昭５６−１５２５２４号公報Japanese Unexamined Patent Publication No. 56-152524 実開昭５７−１５３４２１号公報Jikkai Sho 57-153421 特開平３−２２８５１８号公報Japanese Unexamined Patent Publication No. 3-228518

しかし、面取り加工を行う刃部を用いて被削材の歯車を加工した時、被削材の歯部の縁にバリが発生するという問題があった。被削材の歯部の縁にバリが発生すると、歯切工具による歯車加工の後に、別の工具（例えば、専用のバリ取り工具）を用いてそのバリを除去する必要があり、歯車製作工程において新たな工程が加わることになる。 However, when the gear of the work material is machined using the blade portion to be chamfered, there is a problem that burrs are generated on the edge of the tooth portion of the work material. When burrs occur on the edges of the teeth of the work material, it is necessary to remove the burrs with another tool (for example, a dedicated deburring tool) after gear machining with a gear cutting tool, and the gear manufacturing process A new process will be added in.

そこで、本発明においては歯車加工時において被削材の歯部に面取り加工を行うと同時に、面取り加工により発生するバリも除去できるスカイビングカッタを提供することを課題とする。 Therefore, it is an object of the present invention to provide a skiving cutter capable of chamfering the tooth portion of the work material at the time of gear machining and at the same time removing burrs generated by the chamfering.

前述した課題を解決するために、本発明は歯車型の歯面に複数の切刃を備えるスカイビングカッタにおいて、切刃と歯底の間には面取り用の刃部を有して、かつ歯底には段差部を設けるスカイビングカッタとした。また、この段差部は、歯先と平行である第１平行部および第２平行部の間に設けることもできる。 In order to solve the above-mentioned problems, the present invention is a skiving cutter having a plurality of cutting blades on a gear-shaped tooth surface, in which a chamfering blade portion is provided between the cutting blade and the tooth bottom and the teeth are provided. A skiving cutter with a stepped portion on the bottom. Further, this step portion may be provided between the first parallel portion and the second parallel portion which are parallel to the tooth tip.

本発明のスカイビングカッタを用いることで、歯車加工時において被削材の歯部に面取り加工を行うと同時に、面取り加工により発生するバリも除去できるという効果を奏する。 By using the skiving cutter of the present invention, the tooth portion of the work material is chamfered at the time of gear machining, and at the same time, burrs generated by the chamfering can be removed.

本発明の一実施形態を示すスカイビングカッタ１の歯先３および歯底４における拡大斜視図である。FIG. 3 is an enlarged perspective view of a tooth tip 3 and a tooth bottom 4 of a skiving cutter 1 showing an embodiment of the present invention.

本発明のスカイビングカッタの形態について図面を用いて説明する。本発明の一実施形態を示すスカイビングカッタ１の歯先３および歯底４における拡大斜視図を図１に示す。本発明のスカイビングカッタ１は図１に示すように歯車型の歯面に互いに隣接する複数の切刃２、２を備えている。 The form of the skiving cutter of the present invention will be described with reference to the drawings. FIG. 1 shows an enlarged perspective view of the tooth tip 3 and the tooth bottom 4 of the skiving cutter 1 showing an embodiment of the present invention. As shown in FIG. 1, the skiving cutter 1 of the present invention includes a plurality of cutting edges 2 and 2 adjacent to each other on a gear-shaped tooth surface.

このスカイビングカッタ１を形成する切刃２と歯底４との間には、図１に示すように面取り用の刃部１０が設けられている。また、歯底４には溝部１００が形成されることで左右両側に段差部２０、２１が設けられている。この段差部２０は、溝部１００の底面と歯底４を形成している第１平行部３０との高さ（深さ）の差異でもある。同様に、段差２１は溝部１００の底面と歯底４を形成している第２平行部４０との高さ（深さ）の差異となる。 As shown in FIG. 1, a chamfering blade portion 10 is provided between the cutting blade 2 forming the skiving cutter 1 and the tooth bottom 4. Further, the tooth bottom 4 is provided with stepped portions 20 and 21 on both the left and right sides by forming the groove portion 100. The step portion 20 is also a difference in height (depth) between the bottom surface of the groove portion 100 and the first parallel portion 30 forming the tooth bottom 4. Similarly, the step 21 is a difference in height (depth) between the bottom surface of the groove portion 100 and the second parallel portion 40 forming the tooth bottom portion 4.

つまり、これらの第１平行部３０および第２平行部４０は、それぞれ溝部１００が形成される前に歯底４を形成していた一部分であり、歯底４の面はスカイビングカッタ１の歯先３と平行になるように形成されている。図１では、第１平行部３０および第２平行部４０は共にほぼ同じ位置（高さ）となるように形成されているが、第１および第２平行部３０、４０の位置は異なっていても構わない。 That is, each of the first parallel portion 30 and the second parallel portion 40 is a part that formed the tooth bottom 4 before the groove portion 100 was formed, and the surface of the tooth bottom 4 is the tooth of the skiving cutter 1. It is formed so as to be parallel to the tip 3. In FIG. 1, the first parallel portion 30 and the second parallel portion 40 are both formed so as to have substantially the same position (height), but the positions of the first and second parallel portions 30 and 40 are different. It doesn't matter.

また、段差部２０、２１の大きさ（幅や深さ）は歯底４に形成される溝部１００の大きさ（幅や深さ）によって任意に調整できるものとする。 Further, the sizes (width and depth) of the step portions 20 and 21 can be arbitrarily adjusted according to the size (width and depth) of the groove portions 100 formed in the tooth bottom 4.

１ スカイビングカッタ
２ 切刃
３ 歯先
４ 歯底
１０ 面取り用の刃部
２０、２１ 段差部
３０ 第１平行部
４０ 第２平行部
１００ 溝部 1 Skying cutter 2 Cutting blade 3 Tooth tip 4 Tooth bottom 10 Chamfering blade 20, 21 Step 30 First parallel 40 Second parallel 100 Groove

Claims (1)

歯車型の歯面に複数の切刃を備えるスカイビングカッタであって、前記切刃と歯底の間には面取り用の刃部を有しており、かつ歯底には段差部が設けられていて、前記段差部は歯先と平行である第１平行部および第２平行部の間に設けられていることを特徴とするスカイビングカッタ。 A skiving cutter having a plurality of cutting blades on a gear-shaped tooth surface, which has a chamfering blade portion between the cutting blade and the tooth bottom, and a stepped portion is provided on the tooth bottom. A skiving cutter , wherein the stepped portion is provided between a first parallel portion and a second parallel portion parallel to the tooth tip.
JP2017092028A 2017-05-03 2017-05-03 Skying cutter Active JP6928827B2 (en)

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JP2018187714A JP2018187714A (en) 2018-11-29
JP6928827B2 true JP6928827B2 (en) 2021-09-01

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Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5195697A (en) * 1975-02-19 1976-08-21 Hirahaguruma hasubahagurumano hamenshiagehohotosono hagurumagatakatsuta
JPS56152524A (en) * 1980-04-22 1981-11-26 Mazda Motor Corp Pinion cutter with bevelling blade
JPS57153421U (en) * 1981-03-19 1982-09-27
JPS61142015A (en) * 1984-12-10 1986-06-28 Toyota Motor Corp Preparation of gear and gear cutting tool
JPS62127724U (en) * 1986-02-05 1987-08-13
JPS62127725U (en) * 1986-02-07 1987-08-13
JPH03228518A (en) * 1990-01-30 1991-10-09 Shigeyoshi Osada Pinion cutter for cutting chamfered gear
DE102009003338A1 (en) * 2009-01-12 2010-07-15 Profilator Gmbh & Co. Kg Device and method for cutting workpieces and associated tool set
JP2011144837A (en) * 2010-01-12 2011-07-28 Hino Motors Ltd Gear
JP6094093B2 (en) * 2012-08-21 2017-03-15 アイシン精機株式会社 Skiving cutter
JP2015188971A (en) * 2014-03-28 2015-11-02 三菱マテリアル株式会社 phrasing cutter
JP6455704B2 (en) * 2014-10-07 2019-01-23 いすゞ自動車株式会社 Helical internal gear forming method and helical internal gear forming apparatus
JP2016124082A (en) * 2015-01-07 2016-07-11 三菱重工工作機械株式会社 Skiving processing cutter

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