JPS6363331B2 - - Google Patents
Info
- Publication number
- JPS6363331B2 JPS6363331B2 JP12328078A JP12328078A JPS6363331B2 JP S6363331 B2 JPS6363331 B2 JP S6363331B2 JP 12328078 A JP12328078 A JP 12328078A JP 12328078 A JP12328078 A JP 12328078A JP S6363331 B2 JPS6363331 B2 JP S6363331B2
- Authority
- JP
- Japan
- Prior art keywords
- machining
- wire electrode
- electrode
- axis
- wire
- 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.)
- Expired
Links
- 238000003754 machining Methods 0.000 claims description 58
- 238000009760 electrical discharge machining Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 description 21
- 238000005520 cutting process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000009763 wire-cut EDM Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はワイヤ電極を用いて特殊な構成にした
加工用電極を用いる放電加工装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electric discharge machining apparatus using a machining electrode having a special configuration using a wire electrode.
従来、例えばモールド金型や抜ダイ等の歯形加
工を放電加工によつて行なう場合は、第８図に示
すような総型の電極４０を用いていた。その総型
の電極４０を製作するのには、先ず旋盤加工によ
つてブランクを作り、そのブランクにホブ盤加工
によつて歯切りをして仕上げていた。歯形加工に
限らずモータのコア等の抜型、或いは引抜きダイ
ス、粉末成形金型、ダイガスト型及び機械部品加
工の多くは総型の電極を用いて製作されている。
一方、これらの型をワイヤ電極を用いたワイヤカ
ツト放電加工により製作することも多くなつてき
ているが、このワイヤカツト放電加工では底付き
の型や部品加工は困難である。
Conventionally, when machining the tooth profile of a mold or a punching die by electric discharge machining, a full-form electrode 40 as shown in FIG. 8 has been used. In order to manufacture the full-sized electrode 40, a blank was first made using a lathe, and the blank was finished by cutting gears using a hobbing machine. Not only tooth profile processing but also cutting dies for motor cores, drawing dies, powder molding dies, die-gust dies, and many machine parts processing are manufactured using full-form electrodes.
On the other hand, these molds are increasingly manufactured by wire cut electric discharge machining using wire electrodes, but it is difficult to process bottomed molds and parts using wire cut electric discharge machining.
放電加工により、例えば前述のような歯車、モ
ータコア、或いはアルミサツシの押出しのダイス
等のモールド金型や抜きダイス等の加工を行なう
には、先ず、希望する形状の加工用電極、つまり
総型の電極を製作するのであるが、その総型の電
極を用いて放電加工をする場合は、電極の方も放
電によつて消耗するから、荒加工用、仕上加工用
に用いる加工用電極を複数個製作しておかなけれ
ばならないことから、電極の製作には手間と費用
がかかる欠点があつた。又、ワイヤ電極を用いて
通常のワイヤカツト放電加工をする場合は、底付
きのものや、ワイヤ電極を直線状に張設すること
ができない突起物等がある金型や部品の加工がで
きないという欠点があつた。
In order to process gears, motor cores, extrusion dies for aluminum sash, and other molding dies and punching dies using electrical discharge machining, first, a machining electrode of the desired shape, that is, a full-form electrode, is used. However, when performing electrical discharge machining using the full-form electrode, the electrode is also worn out by the electrical discharge, so multiple machining electrodes are manufactured for rough machining and finishing machining. This has the drawback of requiring a lot of time and money to manufacture the electrodes. Also, when performing normal wire cut electrical discharge machining using a wire electrode, there is a drawback that it is not possible to machine molds or parts that have a bottom or have protrusions that prevent the wire electrode from being stretched in a straight line. It was hot.
本発明は、この欠点に鑑みて、ワイヤ電極を用
いて特殊な構成にした加工用電極を用い、前述し
た各種型や部品の放電加工を行なう放電加工装置
を提供することを目的としている。 In view of this drawback, it is an object of the present invention to provide an electric discharge machining apparatus that performs electric discharge machining of the various types and parts described above using a machining electrode specially constructed using a wire electrode.
上記目的を達成するために、本発明の放電加工
装置に於ては、加工用電極としてワイヤ電極を用
い、そのワイヤ電極に所要のテンシヨンを与えて
移動させるワイヤ電極の移送装置と、その所要の
テンシヨンを与えて移動するワイヤ電極をＵ字状
に方向変換して所要の形状にガイドし、且つ先端
加工部分のガイド幅がワイヤ電極の線径と同等か
乃至はそれより狭い寸法に形成した複数のガイド
と、このガイドによつてガイドするワイヤ電極
と、そのワイヤ電極に対向する被加工体とが互い
に直角なＸ軸、Ｙ軸、Ｚ軸の方向及び回転方向に
相対的に移動する加工送りを与える加工送り装置
と、前記ワイヤ電極と被加工体とに放電加工用の
加工パルスを供給する加工用電源と、前記Ｘ軸、
Ｙ軸、Ｚ軸の方向及び回転方向の相対的に移動す
る加工送り等を制御するNC装置とからなるもの
である。
In order to achieve the above object, the electric discharge machining apparatus of the present invention uses a wire electrode as a machining electrode, and includes a wire electrode transfer device that applies a required tension to the wire electrode and moves it, and a wire electrode transfer device that moves the wire electrode while applying a required tension to the wire electrode. A plurality of wire electrodes that change the direction of a moving wire electrode in a U-shape while applying tension and guide it into a desired shape, and that the guide width of the tip processed portion is equal to or narrower than the wire diameter of the wire electrode. A processing feed in which a guide, a wire electrode guided by this guide, and a workpiece facing the wire electrode move relative to each other in the directions of the X-axis, Y-axis, and Z-axis and in the direction of rotation, which are perpendicular to each other. a machining feed device that supplies the wire electrode and the workpiece with machining pulses for electrical discharge machining;
It consists of an NC device that controls machining feed, etc. that moves relatively in the Y-axis, Z-axis directions, and rotational direction.
上記のように構成された放電加工装置によれ
ば、例えば超硬等の材質の被加工体の面に、放電
加工に於ける加工間隙を介して対向して設置し
た、Ｕ字状に方向変換して所要形状にガイドした
ワイヤ電極と、被加工体とに加工用電源より加工
パルスを供給して放電させながら、ワイヤ電極と
被加工体とをＸ軸、Ｙ軸の方向或いは回転方向に
相対的に移動して放電加工を行ない、更にＺ軸方
向の送りを与えながらワイヤ電極を被加工体に送
り込むことにより、後に詳細に述べるような歯
形、或いはモータのコア等の形状に被加工体を放
電加工することができるものである。
According to the electric discharge machining apparatus configured as described above, a U-shaped direction changing device is installed facing the surface of a workpiece made of a material such as carbide through a machining gap during electric discharge machining. While supplying machining pulses from a machining power supply to the wire electrode guided into a desired shape and the workpiece to cause discharge, the wire electrode and the workpiece are moved relative to each other in the X-axis, Y-axis direction, or rotational direction. By moving the wire electrode into the workpiece while applying feed in the Z-axis direction, the workpiece can be shaped into the shape of a tooth profile or a motor core, etc., which will be described in detail later. It can be subjected to electrical discharge machining.
実施例について図面を参照して説明すると、第
１図に於て、Cu線等のワイヤ電極１は所要の直
径を有するローラの形状をした一対のガイド２で
Ｕ字状に方向変換し、このガイド２と、ガイド２
を支持する支持部材３とでワイヤ電極１を所要形
状にガイドして加工用電極を構成する。サフアイ
ヤ等の耐摩耗性の材料で作つたガイド２を、支持
部材３に回転するように支持する場合は、第２図
に示すようにガイド２の先端加工部分の幅がワイ
ヤ電極１の線径と同等か乃至はそれより狭い寸法
になるように形成し、軸等で摺動する中心部分
は、算盤珠のように厚くすることができる。又、
ガイド２を軸でカシメ等して固定し、摺動ガイド
として用いる場合は、ワイヤ電極１が接触して摺
動し、放電加工を行なう２ａと２ｂとの間だけ、
ガイド２の幅がワイヤ電極１の線径と同等か乃至
はそれより狭い寸法になるように形成してもよ
い。ワイヤ電極１はドラム４から供給し、前述の
一対のガイド２の径によつて所要の半径の形状に
ガイドしながらＵ字状に方向変換し、移送通過し
て他方のドラム５に巻取るのであるが、一対のガ
イド２の間を移送通過するワイヤ電極１には公用
されているピンチローラ６とブレーキローラ７と
により所要のテンシヨンを与えるようになつてい
る。このドラム４，５、ピンチローラ６、ブレー
キローラ７及びガイドローラ８，９とでワイヤ電
極の移送装置を構成し、この移送装置と、ワイヤ
電極１に接触する通電子１０を設けたヘツド１１
に前記支持部材３をボルト１２で固着する。（図
を画く関係でヘツド１１や移送装置に対して加工
用電極は比較的大きく画いてあるが、実際には小
さなものもある。）
しかして、このヘツド１１はフレーム１３に軸
受等で支持し、鉛直なＺ軸を中心にモータ１４で
回転若しくは回動するようにする。フレーム１３
はベツト１５に固定したコラム１６の上部のアー
ム１７の端部にＺ軸方向に摺動可能に枢支し、フ
レーム１３に固着したラツク１８と噛合うピニオ
ン１９をモータ２０で回動することにより、Ｚ軸
方向に上昇下降するように移動する。ワイヤ電極
１と対向する被加工体２１は支持台２２を介して
加工テーブル２３に固定し、そのテーブル２３は
ベツト１５に互いに直角なＸ軸方向、Ｙ軸方向に
移動可能に支持してあり、Ｘ軸に送るモータ２４
とＹ軸に送るモータ２５とをNC装置２６からの
信号により駆動制御することによつて夫々の方向
に移動する加工送りをなすものであつて、このヘ
ツド１１、フレーム１３及び加工テーブル２３等
で加工送り装置を構成する。２７はワイヤ電極１
に接触する通電子１０と被加工体２１とに加工パ
ルスを供給する加工用電源である。
An example will be described with reference to the drawings. In Fig. 1, a wire electrode 1 such as a Cu wire is changed in direction into a U-shape by a pair of roller-shaped guides 2 having a required diameter. guide 2 and guide 2
The wire electrode 1 is guided into a desired shape by the support member 3 that supports the wire electrode 1 to form a processing electrode. When the guide 2 made of a wear-resistant material such as sapphire is rotatably supported by the support member 3, the width of the processed tip of the guide 2 is the diameter of the wire electrode 1, as shown in FIG. The center part, which slides on the shaft, can be made thick like an abacus bead. or,
When the guide 2 is fixed by caulking with a shaft and used as a sliding guide, the wire electrode 1 contacts and slides only between 2a and 2b where electrical discharge machining is performed.
The width of the guide 2 may be equal to or narrower than the wire diameter of the wire electrode 1. The wire electrode 1 is supplied from the drum 4, guided into a desired radius shape by the diameter of the pair of guides 2 mentioned above, changed direction in a U-shape, transferred, and wound onto the other drum 5. However, the required tension is applied to the wire electrode 1 which is transferred between the pair of guides 2 by a pinch roller 6 and a brake roller 7 which are commonly used. The drums 4, 5, the pinch roller 6, the brake roller 7, and the guide rollers 8, 9 constitute a wire electrode transfer device.
The support member 3 is fixed with bolts 12. (Although the machining electrodes are drawn relatively large compared to the head 11 and the transfer device for illustration purposes, some of them are actually small.) Therefore, the head 11 is supported on the frame 13 with bearings or the like. , is rotated or rotated by a motor 14 around a vertical Z axis. Frame 13
is pivoted to the end of an arm 17 at the top of a column 16 fixed to the bed 15 so as to be slidable in the Z-axis direction, and by rotating a pinion 19 with a motor 20 that meshes with a rack 18 fixed to the frame 13. , move up and down in the Z-axis direction. The workpiece 21 facing the wire electrode 1 is fixed to a processing table 23 via a support stand 22, and the table 23 is supported by the bed 15 so as to be movable in the X-axis direction and the Y-axis direction perpendicular to each other. Motor 24 that sends to the X axis
By driving and controlling the motor 25 that sends the workpiece to the Y-axis and the Y-axis using signals from the NC device 26, machining feed is performed to move in each direction. Configure the processing feed device. 27 is wire electrode 1
This is a processing power supply that supplies processing pulses to the current-carrying current 10 and the workpiece 21 that are in contact with the workpiece 21 .
放電加工はガイド２でガイドしたワイヤ電極１
と被加工体２１との間で18〜70μmの加工間隙が
できるように、NC装置２６でモータ２０を制御
駆動して対向させ、その加工間隙に図示していな
い加工液供給装置から加工液を供給すると共に、
加工用電源２７から加工パルスを印加することに
よつてなす。 In electrical discharge machining, wire electrode 1 guided by guide 2
The motor 20 is controlled and driven by the NC device 26 so that a machining gap of 18 to 70 μm is created between the and the workpiece 21, and machining fluid is supplied into the machining gap from a machining fluid supply device (not shown). Along with supplying
This is done by applying a machining pulse from the machining power source 27.
第１図に於ては、NC装置２６の指令でモータ
１４を駆動してヘツド１１を回転させながら、モ
ータ２０を駆動してヘツド１１をＺ軸方向に加工
間隙を保ちながら下降することによつて、被加工
体２１に円い孔状のものを加工することができ
る。又、支持部材３をヘツド１１の回転中心から
偏心して取付けることによつて、円形の半径を大
きくすることができることは言うまでもない。し
かしてNC装置２６の指令によつてＸ軸モータ２
４、Ｙ軸モータ２５を駆動して加工テーブル２３
を移動し、同じNC装置２６の指令によつてモー
タ１４を駆動してヘツド１１を回動することによ
り、ワイヤ電極を常に加工方向に向ける制御移動
を合成することによつて、第２図に示す歯形のよ
うな複雑な曲線の加工をすることができる。更に
モータ２０を制御駆動することによつてＺ軸方向
の切込みを深めて歯形等の型加工を完了する。放
電加工に於ては、切削加工のように被加工体に刃
物を切込んで切削するのと異なり、加工中も被加
工体２１とワイヤ電極１とは18〜70μmの間隙を
設けて対向しているものであるから、ガイド２は
被加工体２１と対向する部分だけ、ガイド２の幅
をワイヤ電極１の線径と同等か乃至はそれより狭
い寸法にすることによつて、歯形等の放電加工も
容易になし得るものである。又、第３図に示すよ
うに支持部材３に設けたガイトローラ２８にワイ
ヤ電極１を巻き付けて所要の形状にガイドするこ
とによつて、被加工体２１の袋状の凹部の放電加
工をワイヤ電極１でなすことができることは当然
のことである。又、ワイヤ電極１をカツターナイ
フとして使用するように移動制御することによつ
て切断加工、切溝加工等ができる。 In FIG. 1, the motor 14 is driven by a command from the NC device 26 to rotate the head 11, and the motor 20 is driven to lower the head 11 in the Z-axis direction while maintaining the machining gap. Accordingly, it is possible to machine a circular hole in the workpiece 21. It goes without saying that by mounting the support member 3 eccentrically from the center of rotation of the head 11, the radius of the circle can be increased. According to the command from the NC device 26, the X-axis motor 2
4. Drive the Y-axis motor 25 to move the processing table 23
By moving the wire electrode and rotating the head 11 by driving the motor 14 according to the command from the same NC device 26, the wire electrode is always directed in the processing direction by synthesizing the controlled movement shown in Fig. 2. It is possible to process complex curves like the tooth profile shown. Furthermore, by controlling and driving the motor 20, the depth of cut in the Z-axis direction is deepened to complete the machining of the tooth profile and the like. In electric discharge machining, unlike cutting, in which a blade is cut into the workpiece, the workpiece 21 and the wire electrode 1 face each other with a gap of 18 to 70 μm during machining. Therefore, the width of the guide 2 is set to be equal to or narrower than the wire diameter of the wire electrode 1 only in the portion facing the workpiece 21, thereby reducing the tooth profile, etc. Electric discharge machining can also be easily performed. Further, as shown in FIG. 3, by winding the wire electrode 1 around a guide roller 28 provided on the support member 3 and guiding it into a desired shape, electrical discharge machining of the bag-shaped recess of the workpiece 21 can be performed using the wire electrode. Of course, what can be done with 1. Further, by controlling the movement of the wire electrode 1 so as to use it as a cutter knife, cutting, kerfing, etc. can be performed.
加工テストによれば、0.2mmφのCuワイヤ電極
を用い、加工液に水を用いて加工したとき、加工
平均電流は7A流すことができ、0.3mmφのワイヤ
を用いて16Aの電流を流して加工でき、加工速度
は約0.33ｇ／min、加工面粗さ約12μRmaxの加工
ができた。ワイヤ電極１の移動速度は3.5m／min
で安定した加工することができた。加工用電極は
上述のものの他に種々工夫して所望の形状にした
ものとすることができる。 According to machining tests, when machining was carried out using a 0.2 mmφ Cu wire electrode and water was used as the machining liquid, an average machining current of 7A could be passed, and when a 0.3 mmφ wire was used and a current of 16A was passed through the process. The machining speed was approximately 0.33g/min, and the machined surface roughness was approximately 12μRmax. The moving speed of wire electrode 1 is 3.5m/min
This enabled stable machining. In addition to the above-mentioned electrodes, the processing electrode can be made into a desired shape by various modifications.
例えば、第４図に例示したものは、第１図で例
示した放電加工装置のヘツド１１に異なる形状の
加工用電極を設置したものである。従つて、その
説明にあたつては、第１図で説明したものと同じ
構成のものについては、同一符号を付して説明を
省略する。 For example, in the example shown in FIG. 4, machining electrodes of different shapes are installed in the head 11 of the electrical discharge machining apparatus shown in FIG. Therefore, in the description, the same components as those explained in FIG. 1 will be given the same reference numerals and the explanation will be omitted.
第５図は第４図の加工用電極をＢ矢視して拡大
した図である。即ち、左右の両ガイド２９はネジ
３０で、ブロツクゲージ３１、或いはガイド２９
に設けた図示していないストツパボルトを挾んで
結合して加工用電極を構成したものである。その
ガイド２９に設けた長孔３２を通したボルト３３
でヘツド１１に固着するようにしたものである。
従つて、ブロツク３１を交換するか、図示してい
ないストツパボルトを調整することによつて一対
のガイド２９の間隔を容易に伸縮制御することが
できる。 FIG. 5 is an enlarged view of the processing electrode shown in FIG. 4 as viewed from arrow B. That is, both the left and right guides 29 are screws 30, and the block gauge 31 or the guide 29
A machining electrode is constructed by sandwiching and connecting a stopper bolt (not shown) provided in the holder. A bolt 33 passed through a long hole 32 provided in the guide 29
It is designed to be fixed to the head 11.
Therefore, the distance between the pair of guides 29 can be easily controlled by exchanging the block 31 or adjusting the stopper bolt (not shown).
又、第６図及び第６図をＣ―Ｃ矢視した第７図
のように複数のガイド３４が支持部材３５に枢支
するアーム３６の端部に夫々軸でカシメて夫々固
着するか、軸に回転可能にして設けてある。一方
そのアーム３６に固着したネジ３７を支持部材３
５に摺動可能にして挿入し、このネジ３７を支持
部材３５に嵌装して回動することができる丸ナツ
ト３８に螺合させ、この丸ナツト３８を回動する
ことによつて、ネジ３７を軸方向に移動し、それ
に伴ないガイド３４を夫々移動することができる
ようになつている。 Alternatively, as shown in FIG. 6 and FIG. 7 when FIG. 6 is viewed along the line C--C, a plurality of guides 34 are fixed to the ends of the arms 36 pivoted to the support member 35 by caulking with their respective shafts, or It is rotatably mounted on a shaft. On the other hand, the screw 37 fixed to the arm 36 is inserted into the support member 3.
5, the screw 37 is fitted into the support member 35 and screwed into a rotatable round nut 38, and by rotating this round nut 38, the screw 37 in the axial direction, and the guides 34 can be moved accordingly.
従つてこのガイド３４の移動によつて、ガイド
するワイヤ電極１のＶ字状の輪郭形状及び寸法を
変化することができるようにしたものである。 Therefore, by moving the guide 34, the V-shaped contour shape and dimensions of the wire electrode 1 to be guided can be changed.
以上のようにワイヤ電極を所要の形状にガイド
させ、そのガイドされた輪郭を利用して加工する
ことにより、任意の形状の電極が容易に得られ、
これをＸ軸、Ｙ軸、Ｚ軸及び回転方向の移動制御
して加工するから、ワイヤ電極を用いて従来の総
型電極と同様の加工をすることができ、極めて効
果の大きいものである。更にワイヤ電極はガイド
間をドラムから供給され、他のドラムに巻取移動
する構成になつているから、放電によりワイヤ電
極が消耗しても加工部分には常に新しいワイヤが
供給され、加工電極の輪郭形状は総型電極を使用
したときのように消耗変形することなく半永久的
に高精度を維持し加工することができる。そして
移動するワイヤ電極にはキヤプスタンとブレーキ
の相互作用によつてガイド間を所要の張力をもつ
て移動するから、ワイヤ電極によつて形成される
輪郭、即ち加工用電極の形状は、ワイヤ電極の移
動によつて変形、変化することがなく、又加工中
の放電作用によつて振動したり歪んだりすること
もなく、常にガイドされる所要の形状を高精度に
維持することができ、総型電極による加工の場合
のように、荒加工用、仕上加工用等複数の総型電
極を製作して於て、加工中に電極を変換したり電
極の形状を修正したりすることなく、長時間に亘
つて安定した精度の良い加工を能率良く行なうこ
とができる。
As described above, by guiding the wire electrode into a desired shape and processing it using the guided contour, an electrode of any shape can be easily obtained.
Since this is processed by controlling movement in the X-axis, Y-axis, Z-axis, and rotational direction, it is possible to perform the same processing as a conventional full-form electrode using a wire electrode, which is extremely effective. Furthermore, the wire electrode is supplied from a drum between the guides, and is wound around another drum, so even if the wire electrode wears out due to electrical discharge, new wire is always supplied to the machining area, and the machining electrode remains unchanged. The contour shape can be machined semi-permanently with high precision without being deformed by wear and tear unlike when using a full-form electrode. Since the moving wire electrode moves with the required tension between the guides due to the interaction between the capstan and the brake, the contour formed by the wire electrode, that is, the shape of the processing electrode, It does not deform or change due to movement, nor does it vibrate or distort due to the electric discharge action during machining, and can always maintain the required guided shape with high precision. As with machining with electrodes, multiple electrodes for rough machining, finishing machining, etc. can be manufactured and the electrode shape can be changed for a long period of time without having to change the electrode or modify the shape of the electrode during machining. Stable and highly accurate machining can be performed efficiently over a period of time.
第１図は本発明の放電加工装置を例示した図、
第２図は第１図のＡ−Ａ矢視部分拡大図、第３図
は第１図に於ける加工用電極のガイド部分を変形
した図、第４図は他の実施例図、第５図は第４図
のＢ矢視部分の加工用電極の拡大図、第６図は他
の実施例で加工用電極の先端部分の拡大図、第７
図は第６図のＣ―Ｃ矢視図、第８図は従来の総型
電極（歯形）を例示した図である。
１……ワイヤ電極、２，２９，３４……ガイ
ド、４，５……ドラム、６……ピンチローラ、７
……ブレーキローラ、１１……ヘツド、１３……
クレーム、１４，２０，２４，２５……モータ、
２１……被加工体、２３……加工テーブル、２６
……NC装置、２７……加工用電源。
FIG. 1 is a diagram illustrating the electric discharge machining apparatus of the present invention,
2 is an enlarged view of a portion taken along arrow A-A in FIG. 1, FIG. 3 is a modified view of the guide portion of the processing electrode in FIG. 1, FIG. The figures are an enlarged view of the processing electrode in the direction of arrow B in Fig. 4, Fig. 6 is an enlarged view of the tip of the processing electrode in another embodiment, and Fig. 7 is an enlarged view of the tip of the processing electrode in another embodiment.
The figure is a view along the line CC in FIG. 6, and FIG. 8 is a diagram illustrating a conventional full-type electrode (tooth profile). 1... Wire electrode, 2, 29, 34... Guide, 4, 5... Drum, 6... Pinch roller, 7
...Brake roller, 11...Head, 13...
Complaints, 14, 20, 24, 25... motor,
21... Workpiece, 23... Processing table, 26
...NC device, 27...Power supply for processing.
Claims (1)
シヨンを与えて移動させるワイヤ電極の移送装置
と、前記ワイヤ電極をＵ字状に方向変換して所要
の形状にガイドし、且つ先端加工部分の幅がワイ
ヤ電極の線径と同等か乃至はそれより狭い寸法に
形成した複数のガイドと、このガイドによつてガ
イドするワイヤ電極と、そのワイヤ電極に対向す
る被加工体とが互いに直角なＸ軸、Ｙ軸、Ｚ軸の
方向及び回転方向に相対的に移動する加工送りを
与える加工送り装置と、前記ワイヤ電極と被加工
体とに放電加工用の加工パルスを供給する加工用
電源と、前記Ｘ軸、Ｙ軸、Ｚ軸の方向及び回転方
向に移動する加工送り等を制御するNC装置とを
有する放電加工装置。1. A wire electrode, a wire electrode transfer device that applies a required tension to the wire electrode and moves it, and a device that changes the direction of the wire electrode into a U-shape and guides it into a desired shape, and that has a width of the tip processed portion. A plurality of guides formed to have a diameter equal to or narrower than the wire diameter of the wire electrode, a wire electrode guided by the guide, and a workpiece facing the wire electrode are arranged on an X-axis at right angles to each other, a machining feed device that provides a machining feed that moves relatively in the Y- and Z-axis directions and the rotational direction; a machining power source that supplies machining pulses for electrical discharge machining to the wire electrode and the workpiece; An electrical discharge machining device that has an NC device that controls machining feed, etc. that moves in the directions of the axes, Y-axis, Z-axis, and rotational direction.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12328078A JPS5554138A (en) | 1978-10-06 | 1978-10-06 | Discharge processing device |
| US06/081,352 US4301349A (en) | 1978-10-06 | 1979-10-03 | Electrical machining apparatus for forming a three-dimensional surface contour in a workpiece |
| GB7934269A GB2032320B (en) | 1978-10-06 | 1979-10-03 | Electrical machining apparatus and method for producing three-dimensional surface contours |
| IT50461/79A IT1119875B (en) | 1978-10-06 | 1979-10-04 | APPARATOR FOR UNLOADING A PIECE WITH A MOBILE METALLIC WIRE ELECTRODE TO SHAPE A THREE-DIMENSIONAL SURFACE CONTOUR |
| DE19792940477 DE2940477A1 (en) | 1978-10-06 | 1979-10-05 | ELECTRIC MACHINING DEVICE |
| FR7924919A FR2437907A1 (en) | 1978-10-06 | 1979-10-05 | ELECTRIC MACHINING DEVICE FOR FORMING, BY MEANS OF AN ELECTRODE WIRE, A THREE-DIMENSIONAL SURFACE CONTOUR IN A WORKPIECE |
| US06/185,887 US4386248A (en) | 1978-10-06 | 1980-09-10 | Electrical machining method and apparatus for forming a 3D surface contour in a workpiece with a traveling-wire electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12328078A JPS5554138A (en) | 1978-10-06 | 1978-10-06 | Discharge processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5554138A JPS5554138A (en) | 1980-04-21 |
| JPS6363331B2 true JPS6363331B2 (en) | 1988-12-07 |
Family
ID=14856653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12328078A Granted JPS5554138A (en) | 1978-10-06 | 1978-10-06 | Discharge processing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5554138A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020242205A1 (en) * | 2019-05-28 | 2020-12-03 | 주식회사 엘지화학 | Electrode binder composition for rechargeable battery and electrode mixture including same |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5766821A (en) * | 1980-10-06 | 1982-04-23 | Uchiebunoopuroizubodosutsuben | Electron discharge method forming small profiling surface and its device |
| JPS58217229A (en) * | 1982-06-10 | 1983-12-17 | Inoue Japax Res Inc | Wire-cut electric discharge machining device |
| JPS59182029A (en) * | 1983-03-31 | 1984-10-16 | Res Dev Corp Of Japan | Electric discharge machining device |
| JPS60191726A (en) * | 1984-03-09 | 1985-09-30 | Inoue Japax Res Inc | Electric discharge machining apparatus |
| JPS60238231A (en) * | 1984-05-10 | 1985-11-27 | Inoue Japax Res Inc | Electrode device for electric discharge machining |
| JPS60255321A (en) * | 1984-05-28 | 1985-12-17 | Inoue Japax Res Inc | Machining center for electric discharge machining |
| JPS6130325A (en) * | 1984-07-18 | 1986-02-12 | Inoue Japax Res Inc | Electrode device for electric discharge machining |
| JPH0761575B2 (en) * | 1985-03-30 | 1995-07-05 | 株式会社井上ジャパックス研究所 | Wire cut electrical discharge machine |
| CN102398094A (en) * | 2011-11-24 | 2012-04-04 | 张祖田 | U-shaped slow wire walking head for cutting wires |
-
1978
- 1978-10-06 JP JP12328078A patent/JPS5554138A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020242205A1 (en) * | 2019-05-28 | 2020-12-03 | 주식회사 엘지화학 | Electrode binder composition for rechargeable battery and electrode mixture including same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5554138A (en) | 1980-04-21 |
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