JPS63156616A - Gear hobbing machine - Google Patents
Gear hobbing machineInfo
- Publication number
- JPS63156616A JPS63156616A JP30265086A JP30265086A JPS63156616A JP S63156616 A JPS63156616 A JP S63156616A JP 30265086 A JP30265086 A JP 30265086A JP 30265086 A JP30265086 A JP 30265086A JP S63156616 A JPS63156616 A JP S63156616A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- hob
- cutter
- hob cutter
- axis
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 8
- 230000003028 elevating effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/20—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling
- B23F5/22—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by milling the tool being a hob for making spur gears
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、平歯車やはすば歯車を創成するための歯切
盤たるホブ盤に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a hobbing machine which is a gear cutting machine for creating spur gears and helical gears.
（従来の技術）
上記ホブ盤は、従来、円柱状の歯車素材をその軸心回り
に回転させるように支承する主軸台と、この歯車素材の
外周面を切削するホブカッタをその軸心回りに回転させ
るように支承するホブヘッドとを有している。そして、
歯車素材とホブカッタの相対的を移動方向は、歯車素材
の軸方向に平行な方向と、同上歯車素材の径方向と、ホ
ブカッタの軸方向に平行な方向の３つの方向である。(Prior Art) The above hobbing machine conventionally has a headstock that supports a cylindrical gear material so as to rotate around its axis, and a hob cutter that cuts the outer peripheral surface of this gear material that rotates around its axis. It has a hob head that supports the hob head so as to allow the hob to move. and,
The relative movement directions between the gear material and the hob cutter are three directions: a direction parallel to the axial direction of the gear material, a radial direction of the same gear material, and a direction parallel to the axial direction of the hob cutter.
旧記のようなホブ盤により歯車を創成するには、歯車素
材とホブカッタとをそれぞれ回転させ、かつ、ホブカッ
タをその軸方向に移動させながらこのホブカッタにより
歯車素材の外周面を切削する。また、成形しようとする
歯車かはすば歯車である場合には、歯車素材を支承する
主軸台とホブカッタとを差動歯車装置で連動連結し、ホ
ブカッタの軸方向移動に同期して歯車素材の回転を増減
させ、これによってねじれを持った歯を創成している。To create a gear using a hobbing machine like the one described above, the gear material and the hob cutter are rotated, and the outer peripheral surface of the gear material is cut by the hob cutter while the hob cutter is moved in its axial direction. In addition, if the gear to be formed is a helical gear, the headstock that supports the gear material and the hob cutter are interlocked and connected by a differential gear device, and the gear material is shaped in synchronization with the axial movement of the hob cutter. The rotation is increased or decreased, thereby creating twisted teeth.
（発明が解決しようとする問題点）
ところで、上記構成によれば、ホブヘッド上でホブカッ
タを軸方向に移動させるようにしているが、これではホ
ブヘッドの構成が複雑となり、機械的なバランスが悪く
なって、機械剛性が低下するという不都合がある。(Problems to be Solved by the Invention) According to the above configuration, the hob cutter is moved in the axial direction on the hob head, but this complicates the configuration of the hob head and causes poor mechanical balance. Therefore, there is a disadvantage that mechanical rigidity decreases.
また、上記構成では差動歯車装置を必要としているが、
これを設けると、ホブ盤の動力伝達の歯車系統が複雑に
なり、動力伝達効率が低下するという不都合がある。In addition, although the above configuration requires a differential gear device,
If this is provided, the gear system for transmitting the power of the hobbing machine becomes complicated, resulting in a disadvantage that the power transmission efficiency decreases.
（発明の目的）
この発明は、上記のような事情に注目してなされたもの
で、ホブヘッドの機械的なバランスを良好なものとして
その機械剛性を向上させ、かつ、差動歯車装置を不要と
してホブ盤の動力伝達効率を向上させることを目的とす
る。(Purpose of the Invention) This invention was made in view of the above-mentioned circumstances, and aims to improve the mechanical balance of a hob head, improve its mechanical rigidity, and eliminate the need for a differential gear device. The purpose is to improve the power transmission efficiency of hobbing machines.
（発明の構成）
上記目的を達成するためのこの発明の特徴とするところ
は、円柱状の歯車素材をその軸心回りに回転させるよう
に支承する主軸台と、この歯車素材の外周面を切削する
ホブカッタをその軸心回りに回転させるように支承する
ホブヘッドとを設けたホブ盤において、上記歯車素材の
軸方向に平行な方向と、同上歯車素材の径方向と、これ
ら両方向に直交する方向とに上記歯車素材とホブカッタ
とを相対的に移動可能とした点にある。(Structure of the Invention) To achieve the above object, the present invention is characterized by a headstock that supports a cylindrical gear material so as to rotate around its axis, and a headstock that supports a cylindrical gear material so as to rotate around its axis, and a machine that cuts the outer circumferential surface of this gear material. In a hobbing machine equipped with a hob head that supports a hob cutter so as to rotate around its axis, a direction parallel to the axial direction of the gear material, a radial direction of the gear material, and a direction perpendicular to both of these directions are provided. Another feature is that the gear material and the hob cutter are relatively movable.
（実施例） 以下、この発明の実施例を図面により説明する。(Example) Embodiments of the present invention will be described below with reference to the drawings.
第１図と第２図は第１実施例を示している。1 and 2 show a first embodiment.
図において、１がホブ盤で、このホブ盤１は床上に固定
された固定架台２を有し、この固定架台２上の一端側に
は主軸台３が取り付けられている。この主軸台３は図中
Ｘ軸で示す水平方向に摺動自在に支持され、この主軸台
３は円柱状の歯車素材４を垂直軸回りに回転させるよう
に（図中矢印Ｒｚ）支承する。In the figure, 1 is a hobbing machine, and this hobbing machine 1 has a fixed pedestal 2 fixed on the floor, and a headstock 3 is attached to one end side of the fixed pedestal 2. This headstock 3 is supported so as to be slidable in the horizontal direction indicated by the X-axis in the figure, and this headstock 3 supports a cylindrical gear material 4 so as to rotate around a vertical axis (arrow Rz in the figure).
一方、上記固定架台２上の他端側には可動架台６が支持
され、この可動架台６は上記Ｘ軸と直交する水平方向、
即ち、図中Ｙ軸で示す方向に摺動自在に支持されている
。この可動架台６は上記歯車素材４に対向する面に昇降
台７を支持しており、この昇降台７は図中Ｚ軸で示す垂
直方向に昇降自在とされている。On the other hand, a movable pedestal 6 is supported on the other end side of the fixed pedestal 2, and this movable pedestal 6 is moved in the horizontal direction perpendicular to the X-axis.
That is, it is supported slidably in the direction indicated by the Y axis in the figure. This movable frame 6 supports an elevating table 7 on the surface facing the gear blank 4, and this elevating table 7 can be freely raised and lowered in the vertical direction indicated by the Z axis in the figure.
そして、上記昇降台７はホブヘッド８を支承し、このホ
ブヘッド８は上記Ｘ軸と平行な水平軸心回りに回動する
ようになっている（図中矢印Ｒｘ）、そして、このホブ
ヘッド８には軸心がこのホブヘッド８の径方向に延びる
ようにホブカッタ９が支承され、このホブカッタ９はそ
の軸心回りに回転させられる（図中矢印Ｒｂ）。The lifting table 7 supports a hob head 8, and the hob head 8 is configured to rotate around a horizontal axis parallel to the X axis (arrow Rx in the figure). A hob cutter 9 is supported so that its axis extends in the radial direction of the hob head 8, and the hob cutter 9 is rotated about its axis (arrow Rb in the figure).
上記構成により、歯車素材４にはすば歯車１１を創成す
る手順について説明する。A procedure for creating the helical gear 11 on the gear material 4 using the above configuration will be explained.
第２図において、歯車素材４とホブカッタ９とを共に回
転させると共に、歯車素材４の上方にホブカッタ９を位
置させ、主軸台３を摺動させてこれら歯車素材４とホブ
カッタ９とを水平方向で接近させる。ここで、創成しよ
うとするはすば歯車１１のねじれ角をβ、歯車素材４の
外周面を切削するためのホブカッタ９の進み角をγとす
る。このようにすれば、はすば歯車１１の歯筋方向にホ
ブカッタ９の力筒方向を一致させる必要上、はすば歯車
１１の軸方向端面とホブカッタ９の軸心のなす角はβ＋
γとな°る。そして、第２図で示す状態から、予めプロ
グラムされた数値制御（ＮＧ）により昇降台７を下降さ
せると共に、可動架台６を水平方向に摺動させ、即ち、
ホブシフトをＺ軸とＹ軸の合成で行いこれによりホブカ
ッタ９をはすば歯車１１の歯筋方向（図中矢印Ａの方向
）に平行移動させる。すると、ホブカッタ９により歯車
素材４の外周面が切削され、これによりはすば歯車１１
が創成される。In FIG. 2, the gear blank 4 and the hob cutter 9 are rotated together, the hob cutter 9 is positioned above the gear blank 4, and the headstock 3 is slid to horizontally move the gear blank 4 and the hob cutter 9. bring them closer. Here, let β be the helix angle of the helical gear 11 to be created, and let γ be the advance angle of the hob cutter 9 for cutting the outer peripheral surface of the gear material 4. In this way, the angle between the axial end face of the helical gear 11 and the axis of the hob cutter 9 is β +
It becomes γ. Then, from the state shown in FIG. 2, the elevator platform 7 is lowered by numerical control (NG) programmed in advance, and the movable platform 6 is slid in the horizontal direction, that is,
The hob shift is performed by combining the Z-axis and the Y-axis, thereby moving the hob cutter 9 in parallel in the direction of the tooth trace of the helical gear 11 (in the direction of arrow A in the figure). Then, the outer peripheral surface of the gear material 4 is cut by the hob cutter 9, thereby cutting the helical gear 11.
is created.
ところで、従来のホブ盤では、既に従来技術の項で説明
したように、上記ホブカッタ９が第１図中Ｂ軸で示す軸
方向に移動自在とされているが、上記実施例によれば、
ホブカッタ９をその軸方向に移動させるまでもなく、は
すば歯車１１を成形することができるため、この実施例
ではホブカッタ９をその軸方向には移動できないように
なっている。By the way, in the conventional hobbing machine, as already explained in the section of the prior art, the hob cutter 9 is movable in the axial direction indicated by the B axis in FIG. 1, but according to the above embodiment,
Since the helical gear 11 can be formed without moving the hob cutter 9 in its axial direction, the hob cutter 9 cannot be moved in its axial direction in this embodiment.
なお、上記ホブ盤ｌにより平歯車を創成する場合には、
上記構成において、β＝０とすればよい。また、歯車素
材４をＹ軸やＺ軸の方向に可動としてもよく、可動架台
６をＸ軸の方向に可動としてもよい。In addition, when creating a spur gear using the hobbing machine l mentioned above,
In the above configuration, β may be set to 0. Furthermore, the gear material 4 may be movable in the Y-axis or Z-axis direction, and the movable pedestal 6 may be movable in the X-axis direction.
第３図と第４図は第２実施例を示している。3 and 4 show a second embodiment.
図において、主軸台３は軸心が水平であり、従って、歯
車素材４は軸心が水平となる状態でこの主軸台３により
支持される。１３は心神台である。In the figure, the headstock 3 has a horizontal axis, and therefore the gear blank 4 is supported by the headstock 3 with its axis horizontal. 13 is Shinjindai.
そして、ホブカッタ９を支承する可動架台６は固定架台
２上を歯車素材４の径方向である図中Ｘ軸で示す方向に
摺動自在であり、また、歯車素材′４の軸方向である図
中Ｚ軸で示す方向にも摺動自在となっている。更に、ホ
ブヘッド８およびホブカッタ９を支承する昇降台７が上
記両方向に直交する上下方向に昇降自在となっている。The movable pedestal 6 supporting the hob cutter 9 is slidable on the fixed pedestal 2 in the radial direction of the gear material 4, which is the direction indicated by the X-axis in the figure, and also in the axial direction of the gear material '4. It is also slidable in the direction indicated by the middle Z-axis. Further, an elevating table 7 that supports the hob head 8 and the hob cutter 9 is movable up and down in the vertical direction perpendicular to the above two directions.
他の構成は前記実施例と同様である。The other configurations are the same as those in the previous embodiment.
（発明の効果）
この発明によれば、歯車素材の軸方向に平行な方向と、
同上歯車素材の径方向と、これら両方向に直交する方向
とに歯車素材とホブカッタとを相対的に移動可能とした
ため、歯車素材に歯車を創成しようとする場合には、こ
の歯車の歯筋方向とホブカッタの力筒方向とを一致させ
、次に、これら歯車素材とホブカッタとを上記歯車の歯
筋方向に相対移動させながらホブカッタにより歯車素材
の外周面を切削すれば、所望の歯車が創成されることと
なる。(Effect of the invention) According to this invention, the direction parallel to the axial direction of the gear material,
Since the gear material and the hob cutter can be moved relative to each other in the radial direction of the gear material and in the direction orthogonal to both of these directions, when creating a gear in the gear material, it is necessary to By aligning the force cylinder direction of the hob cutter and then cutting the outer peripheral surface of the gear material with the hob cutter while moving the gear material and the hob cutter relative to each other in the tooth trace direction of the gear, the desired gear can be created. It happens.
よって、第１に、ホブヘッド上でホブカッタをその軸方
向に移動させるような従来構成は不要であることから、
ホブヘッドの構成が簡単となる。Therefore, firstly, there is no need for the conventional configuration in which the hob cutter is moved in the axial direction on the hob head;
The configuration of the hob head becomes simple.
このため、ホブヘッドにおける機械的なバランスが良好
なものとなり、この結果、このホブヘッドの機械剛性が
向上する。Therefore, the mechanical balance in the hob head is good, and as a result, the mechanical rigidity of the hob head is improved.
また、第２に、従来のような差動歯車装置も不要となる
ため、ホブ盤の動力伝達の歯車系統が簡単となり、よっ
て、動力伝達効率の向上が達成される。Secondly, since a conventional differential gear device is not required, the gear system for transmitting the power of the hobbing machine is simplified, thereby achieving an improvement in power transmission efficiency.
第１図と第２図はこの発明の第１実施例で、第１図は全
体斜視図、第２図はホブカッタとはすば歯車の説明図、
第３図と第４図は第２実施例で、第３図は正面図、第４
図は側面図である。
１幸争ホブ盤、２・拳固定架台、３−・主軸台、４・・
歯車素材、６・・可動架台、７・・昇降台、８・・ホブ
ヘッド、９１１・ホブカッタ。Figures 1 and 2 show a first embodiment of the invention, with Figure 1 being an overall perspective view and Figure 2 being an explanatory diagram of a hob cutter and helical gear.
Figures 3 and 4 show the second embodiment, with Figure 3 being a front view and Figure 4 being a front view.
The figure is a side view. 1. Hobbing machine, 2. Fixed stand, 3. Headstock, 4.
Gear material, 6. Movable frame, 7. Lifting platform, 8. Hob head, 911. Hob cutter.
Claims (1)
に支承する主軸台と、この歯車素材の外周面を切削する
ホブカッタをその軸心回りに回転させるように支承する
ホブヘッドとを設けたホブ盤において、上記歯車素材の
軸方向に平行な方向と、同上歯車素材の径方向と、これ
ら両方向に直交する方向とに上記歯車素材とホブカッタ
とを相対的に移動可能としたことを特徴とするホブ盤。1. A headstock that supports a cylindrical gear material so that it rotates around its axis, and a hob head that supports a hob cutter that cuts the outer peripheral surface of this gear material so that it rotates around its axis. The hobbing machine is characterized in that the gear material and the hob cutter are relatively movable in a direction parallel to the axial direction of the gear material, in a radial direction of the gear material, and in a direction perpendicular to both directions. hobbing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30265086A JPS63156616A (en) | 1986-12-17 | 1986-12-17 | Gear hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30265086A JPS63156616A (en) | 1986-12-17 | 1986-12-17 | Gear hobbing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156616A true JPS63156616A (en) | 1988-06-29 |
Family
ID=17911537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30265086A Pending JPS63156616A (en) | 1986-12-17 | 1986-12-17 | Gear hobbing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156616A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228814A (en) * | 1991-11-25 | 1993-07-20 | The Gleason Works | Gear hobbing machine |
| JPH07148615A (en) * | 1992-10-27 | 1995-06-13 | Seiwa Tekko Kk | High helical gear cutting method and its device |
| JP2002113613A (en) * | 2000-10-05 | 2002-04-16 | Yukinori Ariga | Method for hobbing gear with curved tooth trace |
| US20100202847A1 (en) * | 2007-07-25 | 2010-08-12 | Rudolf Moser | Tool for machining a work piece and method for machining a work piece |
| JP4712136B2 (en) * | 1998-04-20 | 2011-06-29 | 株式会社ツガミ | Main spindle moving type CNC automatic lathe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5250294B2 (en) * | 1974-11-18 | 1977-12-23 | ||
| JPS58165919A (en) * | 1982-03-24 | 1983-10-01 | Toyota Motor Corp | Gear hobbing machine |
-
1986
- 1986-12-17 JP JP30265086A patent/JPS63156616A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5250294B2 (en) * | 1974-11-18 | 1977-12-23 | ||
| JPS58165919A (en) * | 1982-03-24 | 1983-10-01 | Toyota Motor Corp | Gear hobbing machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228814A (en) * | 1991-11-25 | 1993-07-20 | The Gleason Works | Gear hobbing machine |
| JPH07148615A (en) * | 1992-10-27 | 1995-06-13 | Seiwa Tekko Kk | High helical gear cutting method and its device |
| JP4712136B2 (en) * | 1998-04-20 | 2011-06-29 | 株式会社ツガミ | Main spindle moving type CNC automatic lathe |
| JP2002113613A (en) * | 2000-10-05 | 2002-04-16 | Yukinori Ariga | Method for hobbing gear with curved tooth trace |
| US20100202847A1 (en) * | 2007-07-25 | 2010-08-12 | Rudolf Moser | Tool for machining a work piece and method for machining a work piece |
| US8647033B2 (en) * | 2007-07-25 | 2014-02-11 | Gleanson-Pfauter Maschinenfabrik GmbH | Tool for machining a work piece and method for machining a work piece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH07501276A (en) | gear hobbing machine | |
| EP2839914A2 (en) | Gear machining apparatus | |
| JP2018202565A (en) | Gear processing method and gear processing device | |
| JP2004181621A (en) | Cnc machine of spiral bevel gears, and machining method of spiral bevel gears by cnc machine | |
| JPS63156616A (en) | Gear hobbing machine | |
| JPH01159126A (en) | Skiving machine | |
| CN100402215C (en) | Gear machining equipment | |
| JP7413666B2 (en) | Gear processing method | |
| JPH0890377A (en) | Driving device of turning table in working machine | |
| US4724599A (en) | Machine tool for simultaneously finishing a plurality of parallel surfaces | |
| JPH038412B2 (en) | ||
| US3722361A (en) | Universal milling spindle-carrying unit | |
| US4748772A (en) | Apparatus for the precision working of the tooth system of bevel gears | |
| JPH03178720A (en) | Method for lapping gear | |
| JP3717052B2 (en) | How to hob a curved tooth-gear gear | |
| JPS59182020A (en) | Machining method of gear | |
| JP2793849B2 (en) | Inclined circular table | |
| GB1080053A (en) | Gearing and process and apparatus for manufacturing the same | |
| CN216912229U (en) | Single-face milling machine workbench with steering function | |
| JPS583627Y2 (en) | Gear material sliding cutting method small hobbing machine | |
| JPS6044206A (en) | Tool length adjusting device for multi-spindle vertical type milling machine | |
| JPH01205915A (en) | Nc skiver | |
| CN216502610U (en) | Gantry milling machine rotating shaft sleeve capable of rapidly adjusting rotating speed | |
| JPH06170618A (en) | Turret head unit | |
| JP2680101B2 (en) | Laser processing head |