JPS62152618A - Wire electric discharge machine - Google Patents
Wire electric discharge machineInfo
- Publication number
- JPS62152618A JPS62152618A JP29195985A JP29195985A JPS62152618A JP S62152618 A JPS62152618 A JP S62152618A JP 29195985 A JP29195985 A JP 29195985A JP 29195985 A JP29195985 A JP 29195985A JP S62152618 A JPS62152618 A JP S62152618A
- Authority
- JP
- Japan
- Prior art keywords
- current
- power supply
- carrying
- pulse power
- cable
- 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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Links
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明はワイヤ電極と被加工物との間隙（加工間隙）に
間欠的な放電を発生させて被加工物の加工を行うワイヤ
放電加工装置に関するものである。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a wire electrical discharge machining device that processes a workpiece by generating intermittent electric discharge in the gap (machining gap) between a wire electrode and a workpiece. It is something.
ワイヤ放電加工装置は、主に金型の加工に使用されてい
るが、最近の金型の短納期化や高精度化に伴って、その
性能向上が計られている。この場合、特に加工速度の向
上と仕上面粗さの向上を両立させることが重要である。Wire electric discharge machining equipment is mainly used for machining molds, and efforts are being made to improve its performance as molds have recently become shorter in delivery time and more accurate. In this case, it is especially important to improve both the processing speed and the finished surface roughness.
第３図は従来のワイヤ放電加工装置を示すもので１図中
１は被加工物、２はワイヤ電極である。FIG. 3 shows a conventional wire electrical discharge machining apparatus, in which 1 is a workpiece and 2 is a wire electrode.
被加工物１とワイヤ電極２で形成される加工間隙には加
工液（図示せず）が満たされ、上記ワイヤ電極２はワイ
ヤリール３から送り出されてリール４．５およびワイヤ
ガイド７．８を通り、巻取リール６で巻き取られる。ワ
イヤ電極２はこのようにして送行されるが、この際、一
定の張力がかけられている。またワイヤ電極２への通電
は通電端子１３．１４により行うが、この通電端子１３
．１４及び前記ワイヤガイド７．８は、ガイドホルダ９
，１０に取り付けられ、その外側には加工液供給ガイド
１１、１２が取り付けられる。なお、ワイヤ電極２への
通電を行う組立体Ａ（又はＢ）（通常、ワイヤガイド７
（又は８）、ガイドホルダ９（又は１ｏ）、加工液供給
ノズル１１ （又は１２）及び通電部材、ここでは通電
端子１３（又は１４）を備えてなる組立体）を通電部組
立体という。The machining gap formed between the workpiece 1 and the wire electrode 2 is filled with a machining fluid (not shown), and the wire electrode 2 is fed out from the wire reel 3 and passes through the reel 4.5 and wire guide 7.8. Then, it is wound up by the take-up reel 6. The wire electrode 2 is fed in this manner, and at this time, a certain tension is applied. In addition, the wire electrode 2 is energized by the energizing terminal 13.14;
．． 14 and the wire guide 7.8 are connected to the guide holder 9
, 10, and machining fluid supply guides 11, 12 are attached to the outside thereof. Note that assembly A (or B) (usually wire guide 7
(or 8), the guide holder 9 (or 1o), the machining fluid supply nozzle 11 (or 12), and the current-carrying member, here the current-carrying terminal 13 (or 14).
前記ワイヤ電極２と被加工物１には、荒加工用のパルス
電源回路１５と仕上加工用のパルス電源回路１６の任意
の一方から通電ケーブル２５．２６を介して電源供給さ
れる。この場合、パルス電源回路１５又は１６は、直流
電源１８又は２１、スイッチング素子１９又は２２、抵
抗２７又は２３及びパルス制御回路２ｏ又は２４によっ
て構成されている。Power is supplied to the wire electrode 2 and the workpiece 1 from an arbitrary one of a pulse power supply circuit 15 for rough machining and a pulse power supply circuit 16 for finishing machining via energizing cables 25 and 26. In this case, the pulse power supply circuit 15 or 16 includes a DC power supply 18 or 21, a switching element 19 or 22, a resistor 27 or 23, and a pulse control circuit 2o or 24.
このような従来装置において、加工速度が高い荒加工に
は放電加工電流の立ち上り及び立ち下り時間を短くして
ピーク電流を高い値にすると共に。In such conventional equipment, for rough machining at high machining speeds, the rise and fall times of the electric discharge machining current are shortened to increase the peak current to a high value.
パルス休止時間を十分に確保するため通電ケーブル２５
．２６のインダクタンスを低くする必要がある。In order to ensure sufficient pulse rest time, the energizing cable 25
．． It is necessary to lower the inductance of 26.
一方、仕上加工ではパルス電源回路１６の抵抗２３をパ
ルス電源回路１５の抵抗２７より高い値とし、ピーク電
流を低くする。しかし、通電ケーブル２５．２６として
、そのインダクタンスを低くするため同軸ケーブル等を
用いるとキャパシタンス１７が大きくなる。このため仕
上加工時に、通電ケーブル２５゜２６のキャパシタンス
１７にチャージされたエネルギーが放電時に放出され、
仕上加工に設定したパルス電流にキャパシタンス１７か
らの放電電流が重畳されて放電エネルギーが増大してし
まう。その結果、仕上面粗さが３〜５μｍ以下にならな
いことがある。On the other hand, in finishing processing, the resistance 23 of the pulse power supply circuit 16 is set to a higher value than the resistance 27 of the pulse power supply circuit 15 to lower the peak current. However, if coaxial cables or the like are used as the current-carrying cables 25 and 26 in order to lower their inductance, the capacitance 17 increases. Therefore, during finishing processing, the energy charged in the capacitance 17 of the current-carrying cable 25°26 is released during discharge.
The discharge current from the capacitance 17 is superimposed on the pulse current set for finishing, resulting in an increase in discharge energy. As a result, the finished surface roughness may not be less than 3 to 5 μm.
この問題に対して特開昭５９−７３２２６号公報に記載
の発明では、荒加工時と仕上加工時にそれぞれその加工
に適したケーブルを通電ケーブル２５．２６として選択
的に使用するようにしている。すなわち仕上加工時には
、荒加工で用いられる低インダクタンスケーブルを電磁
開閉器によりしゃ断するようにしている。しかし、荒加
工時では数１０〜数１００ＫＨｚでピーク電流が数１０
ＯＡのパルス電流を流すため、前記電磁開閉器の接点は
通常市販されているものに比べて面積が広く、また接触
圧の大きいものが必要となる。したがって前記電磁開閉
器の形状寸法が大きくなり、加工間隙のより近傍に設置
しようとしても限界があり、このため荒加工時において
使用される通電ケーブル２５．２６のキャパシタンス１
７を完全に無視することはできない。To solve this problem, the invention disclosed in Japanese Patent Application Laid-Open No. 59-73226 selectively uses cables suitable for the rough machining and finishing machining as the energizing cables 25 and 26, respectively. That is, during finishing machining, the low inductance cable used in rough machining is cut off by an electromagnetic switch. However, during rough machining, the peak current is several tens to several hundred KHz.
In order to pass the OA pulse current, the contacts of the electromagnetic switch must have a larger area and a higher contact pressure than those normally available on the market. Therefore, the shape and dimensions of the electromagnetic switch become large, and even if it is attempted to install it closer to the machining gap, there is a limit.
7 cannot be completely ignored.
また前記電磁開閉器は高周波、大容量となるのでコスト
が高くなり、かつその接点の寿命、信頼性の管理も難し
いなどの問題点があった。In addition, the electromagnetic switch has high frequency and large capacity, resulting in high cost, and it is also difficult to manage the life span and reliability of the contacts.
本発明は上述したような問題点を解消するためになされ
たもので、電磁開閉器を用いることなく通電ケーブルを
選択使用でき、荒加工時に加工速度を高めることができ
ると共に、仕上加工時に加工面粗さを良好にすることが
できるワイヤ放電加工装置を提供することを目的とする
。The present invention has been made to solve the above-mentioned problems, and it is possible to selectively use a current-carrying cable without using an electromagnetic switch, increase the machining speed during rough machining, and improve the machining surface during finishing machining. An object of the present invention is to provide a wire electrical discharge machining device that can improve roughness.
本発明装置は、複数のパルス電源回路毎に各別に接続さ
れた所望特性の通電ケーブルを介しての前記複数のパル
ス電源回路からの電源供給の切換手段を、ワイヤ電極へ
の通電を行う通電部組立体部分に設け、上述目的を達成
するようにしたものである。In the device of the present invention, the means for switching the power supply from the plurality of pulse power supply circuits via the energization cables having desired characteristics which are individually connected to each of the plurality of pulse power supply circuits is a current supply unit that supplies current to the wire electrodes. It is provided in the assembly part to achieve the above-mentioned purpose.
以下図面を参照して本発明の詳細な説明する。 The present invention will be described in detail below with reference to the drawings.
第１図は本発明によるワイヤ放電加工装置の一実施例の
要部構成図で、図示するように荒加工用のパルス電源回
路１５は同軸ケーブル等の低インダクタンス通電ケーブ
ル３６を介して被加工物１及び通電端子１３．１４に接
続されている。一方、仕上加工用のパルス電源回路１６
は低キヤパシタンス通電ケーブル３７を介して被加工物
１及び通電端子３２．３３に接続されている。この場合
、通電端子３２．３３の外周は筒状の絶縁部材３４．３
５で覆われており、通電端子３２．３３及び１３．１４
間の絶縁が計られている。FIG. 1 is a block diagram of essential parts of an embodiment of a wire electrical discharge machining apparatus according to the present invention. 1 and the current-carrying terminals 13 and 14. On the other hand, a pulse power supply circuit 16 for finishing
are connected to the workpiece 1 and the current-carrying terminals 32, 33 via a low-capacitance current-carrying cable 37. In this case, the outer periphery of the current-carrying terminal 32.33 is a cylindrical insulating member 34.3.
5 and is covered with current-carrying terminals 32.33 and 13.14.
The insulation between the two is measured.
また通電端子３２．３３及び１３．１４は、図示するよ
うに各々先端部分が対向した状態で１通電部組立体Ａ、
Ｂの中心部軸方向（図示上下方向）に形成された貫通孔
内に突出するように設けられている。In addition, the current-carrying terminals 32.33 and 13.14 are connected to one current-carrying part assembly A, with their tip portions facing each other as shown in the figure.
It is provided so as to protrude into a through hole formed in the central axial direction (vertical direction in the drawing) of B.
ワイヤ電極２は通電部組立体Ａ、Ｂの上記貫通孔に挿通
され、第３図の場合と同様に送行されるものであるが、
ここではり−ル４，５は直線駆動装置３８．３９により
移動し、ワイヤ電極２の送行路を変更させるようになさ
れている。すなわち荒加工時は、リール４，５を図示位
置とし、ワイヤ電極２の送行路がワイヤ電極２送行中に
通電端子１３゜１４に接触する位置になされる。また仕
上加工時には、直線駆動装置３８．３９を作動してリー
ル４．′５を図中右方向に移動させ、ワイヤ電極２の送
行路がワイヤ電極２送行中に通電端子３２．３３に接触
する位置（図中２点鎖線で示す位置）に変更（偏位）す
るようになされている。したがって荒加工時には、荒加
工用のパルス電源回路１５から低インダクタンス通電ケ
ーブル３６及び通電端子１３．１４を介して、また仕上
加工時には、仕上加工用のパルス電源回路１６から低キ
ヤパシタンス通電ケーブル３７及び通電端子３２．３３
を介して、ワイヤ電極２及び被加工物ｌに電源供給され
ることになる。The wire electrode 2 is inserted into the through holes of the current-carrying part assemblies A and B, and is fed in the same manner as in the case of FIG.
Here, the wires 4, 5 are moved by linear drives 38, 39 to change the feeding path of the wire electrode 2. That is, during rough machining, the reels 4 and 5 are set at the positions shown in the figure, and the feeding path of the wire electrode 2 is brought into contact with the current-carrying terminals 13 and 14 while the wire electrode 2 is being fed. Also, during finishing processing, the linear drive devices 38 and 39 are operated to reel the reels 4. '5 to the right in the figure to change (deviate) the feeding path of the wire electrode 2 to a position where it contacts the energizing terminals 32 and 33 while the wire electrode 2 is feeding (the position shown by the two-dot chain line in the figure). It is done like this. Therefore, during rough machining, the pulse power supply circuit 15 for rough machining is connected to the low-inductance current-carrying cable 36 and the current-carrying terminal 13.14, and during finishing machining, the pulse power supply circuit 16 for finishing is connected to the low-capacitance current-carrying cable 37 and the current-carrying terminal 13.14. Terminal 32.33
Power is supplied to the wire electrode 2 and the workpiece l via the wire electrode 2 and the workpiece l.
なお直線駆動装置３８．３９は５通電部組立体Ａ。Note that linear drive devices 38 and 39 are 5 current-carrying part assembly A.
Ｂに取着されたホルダ４０．４１に設けられている。It is provided in a holder 40.41 attached to B.
その他、第１図において第３図と同一符号は同−又は相
当部分を示す。In addition, in FIG. 1, the same reference numerals as in FIG. 3 indicate the same or corresponding parts.
すなわち上述本発明装置は、低インダクタンス又は低キ
ヤパシタンス通電ケーブル３６又は３７を介しての荒加
工用又は仕上加工用のパルス電源回路１５又は１６から
の電源供給の切換手段としてワイヤ電極２の送行路変更
手段（直線駆動装置３８．３９で主構成をなす）を、ワ
イヤ電極２への通電を行う通電部組立体Ａ、Ｂに設けた
ものである。したがって前記各通電ケーブル３６．３７
をワイヤ電極２に最も近い箇所まで引くことができ、荒
加工時又は仕上加工時において、より低インダクタンス
化又は低キヤパシタンス化が計れることになる。That is, the device of the present invention described above changes the feeding path of the wire electrode 2 as a means for switching the power supply from the pulse power supply circuit 15 or 16 for rough machining or finishing machining via the low inductance or low capacitance energizing cable 36 or 37. Means (mainly composed of linear drive devices 38 and 39) is provided in the current-carrying part assemblies A and B for energizing the wire electrodes 2. Therefore, each of the energized cables 36.37
can be drawn to the point closest to the wire electrode 2, and lower inductance or capacitance can be achieved during rough machining or finishing machining.
なお、上述実施例では、リール４，５を直線移動装置３
８．３９で移動させることによってワイヤ電極２の送行
路を変更するようにしたが、これを第２図（第１図と同
−又は相当部分には同一符号が付しである）に示すよう
に構成してもよい。すなわちリール４．５ （５は図示
省略）の位置は固定とし、ワイヤ電極移動装置４３．４
５ （４５は図示省略、以下同じ）によりワイヤ電極２
を直線押圧してその送行路を変更するようピしてもよい
。この場合、上記移動装置４３．４５は通電部組立体Ａ
、Ｂ （Ｂは図示省略）に取着された絶縁材からなるホ
ルダ４２゜４４ （４４は図示省略、以下同じ）に設け
られている。In the above embodiment, the reels 4 and 5 are moved by the linear moving device 3.
The feeding path of the wire electrode 2 was changed by moving it in step 8.39, as shown in Figure 2 (the same or equivalent parts as in Figure 1 are given the same symbols) It may be configured as follows. That is, the position of the reel 4.5 (5 is omitted) is fixed, and the wire electrode moving device 43.4
5 (45 is omitted, the same applies hereinafter) makes the wire electrode 2
You can also change the feeding path by pressing in a straight line. In this case, the moving device 43, 45 is the current-carrying part assembly A.
, B (B is not shown) and is provided in a holder 42° 44 (44 is not shown, the same applies hereinafter) made of an insulating material.
またこの場合、通電端子３２．３３ （３３は図示省略
）を上記ホルダ４２．４４に設けてもよく、このような
第２図に示す構成によっても上述実施例と同様に電源供
給切換が行ねれ、同様の効果が得られる。In this case, the holder 42, 44 may be provided with energizing terminals 32, 33 (33 is omitted), and the power supply switching can be performed in the same manner as in the above-described embodiment with the configuration shown in FIG. The same effect can be obtained.
また荒加工時は通電ケーブルのインダクタンスの値が問
題であるので仕上加工用通電端子３２．３３がワイヤ電
極２に接してもよい。Further, since the inductance value of the current-carrying cable is a problem during rough processing, the current-carrying terminals 32 and 33 for finishing may be in contact with the wire electrode 2.
さらに上述実施例では、荒加工と仕上加工の２種類の加
工を目的として電源供給の切換を行う場合について述べ
たが、その他の目的、例えばワイヤ電極２の消耗を低減
する目的をも加え、それに伴ってもう１組のパルス電源
回路および通電ケーブルを付設し、３種類の電源供給の
切換を行うようにしてもよい。あるいは、以上とは全く
異なる複数種類の加工を目的として各パルス電源回路及
び通電ケーブルを選定し、それら複数種類の加工に伴っ
て適切な電源供給がされるようにその切換を行うように
してもよい。Furthermore, in the above embodiment, a case was described in which the power supply is switched for the purpose of two types of machining, rough machining and finishing machining, but other purposes, such as reducing wear on the wire electrode 2, are also added. Along with this, another set of pulse power supply circuit and energizing cable may be provided to switch between three types of power supply. Alternatively, each pulse power supply circuit and current-carrying cable may be selected for the purpose of multiple types of processing that are completely different from those described above, and the switching may be performed so that appropriate power is supplied for these multiple types of processing. good.
また上述実施例では、ワイヤ電極２への通電を上下２箇
所で行うようにしたが、いずれか１箇所で行うようにし
てもよい。特に仕上加工時は、通電電流が比較的小さい
ので上記通電は１箇所で足りる。これによれば、通電端
子３２．３３のうちのいずれか一方を省略できる上に、
通電ケーブル３７のキャパシタンスを低減することもで
きる。Furthermore, in the above-described embodiment, the wire electrode 2 is energized at two locations, one above the other, but it may be energized at one location. Particularly during finishing processing, since the current applied is relatively small, the above-mentioned energization only needs to be carried out at one point. According to this, either one of the current-carrying terminals 32 and 33 can be omitted, and
It is also possible to reduce the capacitance of the energizing cable 37.
以上述べたように本発明によれば、各種加工に適切なパ
ルス電源回路及び通電ケーブルを選択使用できるばかり
でなく、その通電ケーブルをワイヤ電極に最も近い箇所
まで引くことができるので、選択された通電ケーブルの
特性の有用性を充分に発揮させることができる。したが
って本発明を荒加工時と仕上加工時の電源供給の切換に
適用すれば、荒加工時に加工速度を高めることができる
と共に、仕上加工時に加工面粗さを良好にすることがで
きる。また電磁開閉器が不要である上に、電源供給の切
換手段も、例えばこれを第１図、第２図に示すようなワ
イヤ′？６．極の送行路変更手段として構成することが
でき、その構成の簡易化、価格低減化を計ることができ
るという効果もある。As described above, according to the present invention, it is not only possible to select and use pulse power supply circuits and energizing cables suitable for various types of processing, but also to draw the energizing cables to the point closest to the wire electrode. The usefulness of the characteristics of the current-carrying cable can be fully demonstrated. Therefore, if the present invention is applied to switching the power supply during rough machining and finish machining, the machining speed can be increased during rough machining, and the machined surface roughness can be improved during finish machining. In addition, an electromagnetic switch is not required, and the power supply switching means is also wired, for example, as shown in Figures 1 and 2. 6. It can be configured as a pole route changing means, and has the effect of simplifying the configuration and reducing the cost.
第１図は本発明装置の一実施例の要部構成図。
第２図は同じく他の実施例の要部構成図、第３図は従来
装置の要部構成図である。
１・・・被加工物、２・・・ワイヤ電極、３，４・・・
リール、１３．１４．３２．３３・・・通電端子、１５
・・・荒加工用パルス電源回路、１６・・・仕上加工用
パルス電源回路。
３６・・・低インダクタンス通電ケーブル、３７・・・
低キヤパシタンス通電ケーブル、 ３８．３９・・・直
線駆動装置、４３・・・ワイヤ電極移動装置、Ａ、Ｂ・
・・通電部組立体。FIG. 1 is a diagram showing the configuration of essential parts of an embodiment of the device of the present invention. FIG. 2 is a block diagram of the main parts of another embodiment, and FIG. 3 is a block diagram of the main parts of the conventional apparatus. 1... Workpiece, 2... Wire electrode, 3, 4...
Reel, 13.14.32.33... Current-carrying terminal, 15
... Pulse power supply circuit for rough machining, 16... Pulse power supply circuit for finishing machining. 36...Low inductance energizing cable, 37...
Low capacitance energizing cable, 38. 39... Linear drive device, 43... Wire electrode moving device, A, B.
・Electricity section assembly.
Claims (1)
のいずれかから、それらのパルス電源回路毎に各別に接
続された所望の特性をもつ通電ケーブルを介して電源供
給し、送行するワイヤ電極と被加工物との間隙に間欠的
な放電を発生させて前記被加工物の加工を行うワイヤ放
電加工装置において、前記通電ケーブルを介しての前記
複数のパルス電源回路からの電源供給の切換手段を、前
記ワイヤ電極への通電を行う通電部組立体部分に設けて
なることを特徴とするワイヤ放電加工装置。 ２、前記各通電ケーブルの出力端側には各々通電端子が
接続され、それら各通電端子は前記通電部組立体部分に
設けられ、前記電源供給の切換手段は前記通電端子のう
ちのいずれか選択された通電端子と前記ワイヤ電極間を
導通させる手段であることを特徴とする特許請求の範囲
第１項記載のワイヤ放電加工装置。 ３、前記通電端子は各々前記ワイヤ電極の送行路近傍に
配設され、前記電源供給の切換手段は前記送行路の変更
手段であり、前記送行路の変更による前記ワイヤ電極の
偏移によってそのワイヤ電極に接触する前記通電端子が
選択され、電源供給する前記パルス電源回路及び通電ケ
ーブルが切換使用されることを特徴とする特許請求の範
囲第２項記載のワイヤ放電加工装置。 ４、前記複数のパルス電源回路は荒加工用及び仕上加工
用の２つのパルス電源回路であり、前記通電ケーブルは
前記荒加工用のパルス電源回路に接続されるものについ
ては低インダクタンスケーブルが、仕上加工用のパルス
電源回路に接続されるものについては低キャパシタンス
ケーブルが、各々用いられることを特徴とする特許請求
の範囲第１項から第３項のいずれかの項に記載のワイヤ
放電加工装置。[Claims] 1. A plurality of pulse power supply circuits are provided, and power is supplied from any one of them via a current-carrying cable having desired characteristics that is connected to each of the pulse power supply circuits separately. In the wire electrical discharge machining apparatus that processes the workpiece by generating intermittent electrical discharge in the gap between the wire electrode being fed and the workpiece, from the plurality of pulse power supply circuits via the energizing cable. A wire electric discharge machining apparatus characterized in that a power supply switching means is provided in a current-carrying part assembly portion that supplies current to the wire electrode. 2. A current-carrying terminal is connected to the output end side of each of the current-carrying cables, each of the current-carrying terminals is provided in the current-carrying part assembly, and the power supply switching means selects one of the current-carrying terminals. 2. The wire electrical discharge machining apparatus according to claim 1, further comprising a means for establishing electrical continuity between the current-carrying terminal and the wire electrode. 3. Each of the energizing terminals is disposed near the feeding path of the wire electrode, and the power supply switching means is a changing device for changing the feeding path, and the wire is changed by shifting the wire electrode due to changing the feeding path. 3. The wire electrical discharge machining apparatus according to claim 2, wherein the current-carrying terminal that contacts the electrode is selected, and the pulse power supply circuit and the current-carrying cable that supply power are switched and used. 4. The plurality of pulse power circuits are two pulse power circuits, one for rough machining and one for finishing, and the energizing cable is a low inductance cable connected to the pulse power circuit for rough machining, and a low inductance cable is used for finishing. 4. The wire electrical discharge machining apparatus according to claim 1, wherein a low capacitance cable is used for each of the cables connected to a pulse power supply circuit for machining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29195985A JPS62152618A (en) | 1985-12-26 | 1985-12-26 | Wire electric discharge machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29195985A JPS62152618A (en) | 1985-12-26 | 1985-12-26 | Wire electric discharge machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62152618A true JPS62152618A (en) | 1987-07-07 |
| JPH046489B2 JPH046489B2 (en) | 1992-02-06 |
Family
ID=17775674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29195985A Granted JPS62152618A (en) | 1985-12-26 | 1985-12-26 | Wire electric discharge machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62152618A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62208828A (en) * | 1986-03-05 | 1987-09-14 | Fanuc Ltd | Switching device of wire cut discharge machining circuit |
| EP0659514A1 (en) * | 1993-12-24 | 1995-06-28 | Sodick Co., Ltd. | Electric discharge machining apparatus |
| US5770831A (en) * | 1994-04-26 | 1998-06-23 | Sodick Co. Ltd. | Power supply system for an electric discharge machine |
| EP1442816A1 (en) * | 2003-01-29 | 2004-08-04 | Fanuc Ltd | Wire electric discharge machining apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4603605B2 (en) | 2008-08-28 | 2010-12-22 | ファナック株式会社 | Wire electrical discharge machine with electrode pin detachment / push detection function |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5973226A (en) * | 1982-10-20 | 1984-04-25 | Mitsubishi Electric Corp | Machining power supply of electric discharge machining device |
-
1985
- 1985-12-26 JP JP29195985A patent/JPS62152618A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5973226A (en) * | 1982-10-20 | 1984-04-25 | Mitsubishi Electric Corp | Machining power supply of electric discharge machining device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62208828A (en) * | 1986-03-05 | 1987-09-14 | Fanuc Ltd | Switching device of wire cut discharge machining circuit |
| EP0659514A1 (en) * | 1993-12-24 | 1995-06-28 | Sodick Co., Ltd. | Electric discharge machining apparatus |
| US5572003A (en) * | 1993-12-24 | 1996-11-05 | Sodick Co. Ltd. | Electric discharge machining apparatus with pairs of low inductance and low capacitance conductors |
| CN1059372C (en) * | 1993-12-24 | 2000-12-13 | 沙迪克株式会社 | Electric discharge machining apparatus |
| US5770831A (en) * | 1994-04-26 | 1998-06-23 | Sodick Co. Ltd. | Power supply system for an electric discharge machine |
| EP1442816A1 (en) * | 2003-01-29 | 2004-08-04 | Fanuc Ltd | Wire electric discharge machining apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH046489B2 (en) | 1992-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |