JPH0373221A - Electrolytic finishing - Google Patents
Electrolytic finishingInfo
- Publication number
- JPH0373221A JPH0373221A JP20653289A JP20653289A JPH0373221A JP H0373221 A JPH0373221 A JP H0373221A JP 20653289 A JP20653289 A JP 20653289A JP 20653289 A JP20653289 A JP 20653289A JP H0373221 A JPH0373221 A JP H0373221A
- Authority
- JP
- Japan
- Prior art keywords
- workpiece
- gap
- electrode
- electrolyte
- machining
- 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
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 13
- 239000003792 electrolyte Substances 0.000 claims description 29
- 238000003754 machining Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000003990 capacitor Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
この発明は、ワークを電解・作用によって仕上げる電解
仕上げ加工方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrolytic finishing method for finishing a workpiece by electrolytic action.
［従来の技術］
従来、ワークと、このワークの加工面に倣った電極面を
有する電極とを電解液中で対設させ、その極間に加工パ
ルスを供給してワークを仕上げる電解仕上げ加工方法は
、例えば特開昭６３−１９６３２１号公報に開示されて
いる。[Conventional technology] Conventionally, there is an electrolytic finishing method in which a workpiece and an electrode having an electrode surface that mimics the machined surface of the workpiece are placed opposite each other in an electrolytic solution, and a processing pulse is supplied between the electrodes to finish the workpiece. is disclosed, for example, in Japanese Patent Application Laid-Open No. 196321/1983.
［発明が解決しようとする問題点］
ところで、この電解仕上げ加工方法にあっては、定盤に
固定されているワークに対して、Ｚ軸に固定した電極を
加工パルスのオフ後に上下動させるとともに、間隙に電
解液の噴流を供給して該間隙に生成した加工屑等を排除
しているが、ワークを常に電解液中に浸漬させた状態で
電極を上下動させるため、電極上下動時に、ワークの加
工面に十分な流速の電解液の流れを生成させることが困
難で、ワークの加工面に付着した加工屑等を除去しきれ
ず、仕上げの表面品質に悪影響を与えるという問題点が
あった。[Problems to be Solved by the Invention] By the way, in this electrolytic finishing method, an electrode fixed on the Z axis is moved up and down with respect to a work fixed on a surface plate after the processing pulse is turned off, and , a jet of electrolyte is supplied to the gap to remove machining debris generated in the gap, but since the electrode is moved up and down while the workpiece is always immersed in the electrolyte, when the electrode moves up and down, There was a problem in that it was difficult to generate a flow of electrolyte at a sufficient flow rate on the machined surface of the workpiece, and machining debris adhering to the machined surface of the workpiece could not be removed completely, which had a negative impact on the finished surface quality. .
そこで、この発明の目的は、上述の問題点を解決し、特
にワークの加工面に付着した加工屑等を確実に除去し得
て、高精度な仕上げ加工面を得ることができる電解仕上
げ加工方法を実現するにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned problems, and in particular, an electrolytic finishing method that can reliably remove machining debris attached to the machined surface of a workpiece and obtain a highly accurate finished surface. The aim is to realize this.
［課題を解決するための手段］
この目的を達成するために、この発明は、ワークの加工
面に倣った電極面を有する電極を加工槽内の定盤上に固
定するステップと、前記ワークを電解液中で前記電極と
所定の間隙で対設させるステップと、前記ワークと電極
との極間に加工パルスを供給するステップと、前記ワー
クを上下動させるステップ、前記ワークの上下動時に間
隙に電解液の噴流を供給するステップとを具備すること
を特徴とする。[Means for Solving the Problems] In order to achieve this object, the present invention includes the steps of: fixing an electrode having an electrode surface that follows the machining surface of a workpiece on a surface plate in a machining tank; a step of opposing the electrode with a predetermined gap in an electrolytic solution; a step of supplying a machining pulse between the electrode and the workpiece; a step of moving the workpiece up and down; and supplying a jet of electrolyte.
［作用］
この発明の構成によれば、電極を定盤上に固定し、Ｚ軸
に固定したワークをこの電極に対して上下動させるとと
もに、間隙に清浄な電解液を噴出し、ワーク上昇時の、
ワークの加工面の電解液の流速を高め、該加工面に付着
した加工屑等を確実に除去し、間隙外に排除する。[Function] According to the configuration of the present invention, the electrode is fixed on a surface plate, and the work fixed on the Z axis is moved up and down with respect to the electrode, and clean electrolyte is spouted into the gap, so that when the work rises, of,
The flow rate of the electrolyte on the machined surface of the workpiece is increased to ensure that machining debris adhering to the machined surface is removed and expelled from the gap.
［実施例コ
以下、図面を参照してこの発明の一実施例を詳細かつ具
体的に説明する。[Example 1] Hereinafter, an example of the present invention will be described in detail and specifically with reference to the drawings.
第１図はこの発明を実施し得る電解仕上げ加工装置１を
示す。図において、電解仕上げ加工装置１は、電極２を
電極固定装置３を介して固定する定盤４、ワーク５を固
定するワーク固定装置６、モータ７０回転運動を往復運
動に変換する駆動変換部８、加工パルスを発生する電源
装置９、ヘッド駆動制御部１０と加工条件制御部１１と
電解液流制御部１２等からなる制御装置１３、各種デー
タ等を入力する入力装置１４、電解液を濾過する電解液
濾過装置１５、加工槽１６、電極２とワーク５の間隙に
電解液の噴流を供給するノズル１７等からなる。FIG. 1 shows an electrolytic finishing apparatus 1 in which the present invention can be practiced. In the figure, an electrolytic finishing apparatus 1 includes a surface plate 4 that fixes an electrode 2 via an electrode fixing device 3, a work fixing device 6 that fixes a workpiece 5, and a drive conversion unit 8 that converts a motor 70 rotational motion into reciprocating motion. , a power supply device 9 that generates processing pulses, a control device 13 consisting of a head drive control section 10, a processing condition control section 11, an electrolyte flow control section 12, etc., an input device 14 that inputs various data, etc., and an input device 14 that filters the electrolyte. It consists of an electrolyte filtering device 15, a processing tank 16, a nozzle 17 that supplies a jet of electrolyte into the gap between the electrode 2 and the workpiece 5, and the like.
前記電極固定装置３は、純銅もしくはグラファイト等か
らなる電極２のロッド１８を固定し、この電極固定装置
３を、例えば絶縁性の高いグラナイトもしくはセラミッ
クスからなる定盤４上に適宜の手段により固定する。ま
た、前記ワーク５は、該ワーク５に固定したロッド２０
をワーク固定装置６に固定し、ワーク５の加工面５ａと
電極２の電極面２ａとが三次元方向に−様な間隙１９を
保つように固定する。このワーク固定装置６は、前記ヘ
ッド駆動制御部１０の制御信号によるモータ７の回転に
より上下動し、電極面２ａと加工面５ａとを所定の間隙
１９に設定する。The electrode fixing device 3 fixes the rod 18 of the electrode 2 made of pure copper, graphite, etc., and fixes this electrode fixing device 3 on a surface plate 4 made of highly insulating granite or ceramics by suitable means, for example. . Further, the work 5 has a rod 20 fixed to the work 5.
is fixed to a workpiece fixing device 6 so that a --like gap 19 is maintained between the processed surface 5a of the workpiece 5 and the electrode surface 2a of the electrode 2 in the three-dimensional direction. The workpiece fixing device 6 is moved up and down by rotation of the motor 7 based on a control signal from the head drive control section 10, and sets a predetermined gap 19 between the electrode surface 2a and the processing surface 5a.
前記入力装置１４は、ワーク４の材質と加工面積、目標
とする加工量、加工パルスの条件、初期加工間隙等を入
力し、これらの各信号を制御装置１３のヘッド駆動制御
部１０及び加工条件制御部１１に出力する。また、前記
電解液濾過装置１５は、加工で生じた電解生成物等を含
む電解液を濾過するもので、前記電解液流制御部１２の
制御信号に基づいて、加工開始時に加工槽１６に電解液
を供給するとともに、加工中に前記間隙１９に生成した
加工屑等を排除するために、前記ノズル１７を介して該
間隙１９に清浄な電解液の噴流を供給する。The input device 14 inputs the material and machining area of the workpiece 4, the target machining amount, machining pulse conditions, initial machining gap, etc., and sends these signals to the head drive control unit 10 of the control device 13 and the machining conditions. It is output to the control section 11. Further, the electrolyte filtration device 15 filters an electrolyte containing electrolytic products generated during machining.Based on a control signal from the electrolyte flow control section 12, the electrolyte filtration device 15 filters electrolyte into the machining tank 16 at the start of machining. A jet of clean electrolytic solution is supplied to the gap 19 through the nozzle 17 in order to supply the liquid and remove machining debris generated in the gap 19 during machining.
前記電極２とワーク５との極間に、所定の加工パルスを
供給する電源装置９と、この電源装置９を制御する前記
加工条件制御部１１は、例えば第２図に示す如く構成す
る。A power supply device 9 that supplies predetermined machining pulses between the electrode 2 and the workpiece 5, and the machining condition control section 11 that controls the power supply device 9 are configured as shown in FIG. 2, for example.
即ち、電源装置９は直流電源部２１と充放電部２２とで
構成され、直流電源部２１は、変圧器２３と整流器２４
とからなり、変圧器２３により電圧を所定値に降下させ
、整流器２４により整流して直流電流を得て、後述する
蓄電器２５−１〜２５−ｎに供給する。That is, the power supply device 9 includes a DC power supply section 21 and a charging/discharging section 22, and the DC power supply section 21 includes a transformer 23 and a rectifier 24.
The voltage is lowered to a predetermined value by a transformer 23, and rectified by a rectifier 24 to obtain a direct current, which is supplied to power storage units 25-1 to 25-n, which will be described later.
また、充放電部２２は、極間に電荷を放電する複数個の
蓄電器２５−１〜２５−ｎと、これらの各蓄電器２５−
１〜２５−ｎに接続し直流電源部２１側への電荷の逆流
を阻止するダイオード２６−１〜２６−ｎと、放電側へ
電荷を放電させるべく開閉される放電スイッチ２７−１
〜２７−ｎと、前記各蓄電器２５−１〜２５−ｎを所定
に充電すべく前記直流電源部２１からの電源を給断する
充電スイッチ２８等とからなる。The charging/discharging unit 22 also includes a plurality of capacitors 25-1 to 25-n that discharge charges between electrodes, and each of these capacitors 25-
Diodes 26-1 to 26-n connected to diodes 1 to 25-n to prevent backflow of charges to the DC power supply section 21 side, and a discharge switch 27-1 that is opened and closed to discharge charges to the discharge side.
27-n, a charging switch 28, etc., which supplies and disconnects power from the DC power supply unit 21 to charge each of the capacitors 25-1 to 25-n to a predetermined value.
前記加工条件制御部１１は、蓄電器２５−ｌ〜２５−ｎ
の充電電圧値を検出する電圧検出器２９と、この電圧検
出器２９て検出した充電電圧値とＤ／Ａ変換器３０から
の出力値とを比較する電圧比較器３１と、この電圧比較
器３１からの出力信号により充電の開始及び終了を検出
する充電検出器３２と、極間に放電される電荷の電流値
を検出する電流検出器３３と、この電流検出器３３で検
出した電流値のピーク値をホールドするピークホールド
回路３４と、このピークホールド回路３４でホールドし
たピーク値とＤ／Ａ変換器３５の出力値とを比較する電
流比較器３６と、所定時間幅のパルスを発生するパルス
発生器３７と加工パルスの電流波形を設定する電流波形
設定器３８からの信号により前記各放電スイッチ２７−
１〜２７−ｎに開閉駆動信号を出力するゲート回路３９
と、前記各蓄電器２５−１〜２５−ｎへ供給する充電電
圧値を設定しその信号を前記Ｄ／Ａ変換器３０に出力す
る充電電圧設定器４０と、極間に流れる電流値を設定し
その信号を前記Ｄ／Ａ変換器３５に出力する電流設定器
４１と、前記各回路からの入力信号に基づき加工条件等
を演算・処理するＣＰＵ４２等からなる。The processing condition control unit 11 controls the capacitors 25-l to 25-n.
a voltage detector 29 that detects the charging voltage value of the voltage detector 29; a voltage comparator 31 that compares the charging voltage value detected by the voltage detector 29 with the output value from the D/A converter 30; A charge detector 32 detects the start and end of charging using output signals from the current detector 32, a current detector 33 detects the current value of the charge discharged between the electrodes, and a peak current value detected by the current detector 33. A peak hold circuit 34 that holds a value, a current comparator 36 that compares the peak value held by the peak hold circuit 34 with the output value of the D/A converter 35, and a pulse generator that generates a pulse with a predetermined time width. Each of the discharge switches 27-
Gate circuit 39 that outputs opening/closing drive signals to 1 to 27-n
and a charging voltage setter 40 that sets a charging voltage value to be supplied to each of the capacitors 25-1 to 25-n and outputs the signal to the D/A converter 30, and a charging voltage setting device 40 that sets a current value flowing between the electrodes. It consists of a current setting device 41 that outputs the signal to the D/A converter 35, and a CPU 42 that calculates and processes processing conditions and the like based on input signals from each of the circuits.
次に、この発明の動作について、第３図のフローチャー
トに基づいて説明する。Next, the operation of the present invention will be explained based on the flowchart shown in FIG.
まず、電極固定装置３を定盤４上に固定し、この電極固
定装置３に電極２のロッド１８を固定するとともに、ワ
ーク固定装置６にワーク５のロッド２０を固定（５０）
する。そして、入力装置１４により各種データを入力（
５１） Ｌ／、加工槽１６に前記電解液濾過装置１５か
ら、前記間隙１９の最上位置より上の位置まで電解液を
供給（５２）する。First, the electrode fixing device 3 is fixed on the surface plate 4, the rod 18 of the electrode 2 is fixed to the electrode fixing device 3, and the rod 20 of the workpiece 5 is fixed to the workpiece fixing device 6 (50).
do. Then, input various data using the input device 14 (
51) L/: Supply the electrolytic solution from the electrolytic solution filtration device 15 to the processing tank 16 to a position above the uppermost position of the gap 19 (52).
電解液が所定量供給されたら、仕上げ加工の自動運転が
開始され、ワークを移動させて、初期加工間隙を保つ位
置に設定（５３） シ、間隙１９の電解液が静止（電解
液の流れ・動きが略停止した状態をいう）したら、前記
電源装置９からワーク５の加工面積等に応じた所定の電
流密度とパルス幅を有する、例えば単一の加工パルスを
供給（５４）する。When a predetermined amount of electrolyte is supplied, automatic finishing operation is started, and the workpiece is moved and set to a position that maintains the initial machining gap (53). When the movement has substantially stopped), for example, a single machining pulse having a predetermined current density and pulse width depending on the machining area of the workpiece 5 is supplied from the power supply 9 (54).
そして、°この加工パルスがオフすると略同時に、前記
ヘッド駆動制御部１００制御信号により、モータ７を回
転させてワーク５を所定距離、例えばワーク５の加工面
５ａが空中に位置するまで上昇（５５）させる。また、
このワーク５の上昇動作と略同期させて、前記電解液濾
過装置１５から前記ノズル１７を介して拡大した間隙Ｉ
９に清浄な電解液の噴流を供給（５６）する。Then, approximately at the same time as this processing pulse is turned off, the motor 7 is rotated by the head drive control unit 100 control signal to raise the workpiece 5 a predetermined distance, for example, until the processing surface 5a of the workpiece 5 is located in the air (55 ). Also,
Approximately in synchronization with this upward movement of the workpiece 5, a gap I is expanded from the electrolyte filtration device 15 through the nozzle 17.
9 is supplied with a jet of clean electrolyte (56).
この時ワーク５を、電解液中に浸漬している状態から空
中に位置するまで上昇させるため、該ワーク５の加工面
５ａでの電解液の流れ状態が大きく変化して流速が高く
なり、加工面５ａに付着している加工屑等を除去し、間
隙１９の汚染液に流下させる。そして、この汚染液が間
隙１９に前記ノズル１７から供給される清浄な電解液の
噴流により間隙１９外に排除され、該間隙１９の電解液
を清浄な電解液に完全に入れ替えることができる。At this time, since the workpiece 5 is raised from being immersed in the electrolytic solution to being in the air, the flow state of the electrolytic solution on the processing surface 5a of the workpiece 5 changes greatly, the flow rate increases, and the processing Processing debris and the like adhering to the surface 5a are removed and allowed to flow down into the contaminated liquid in the gap 19. Then, this contaminated liquid is removed from the gap 19 by a jet of clean electrolyte supplied from the nozzle 17 to the gap 19, and the electrolyte in the gap 19 can be completely replaced with a clean electrolyte.
間隙１９の汚染した電解液を排除したら、ワーク５を下
降（５７）させ、加工回数が所定回数か否かを判断＜５
８）する。この判断でＮｏの場合は、前記ステップ（５
３）に戻り、ワーク５を初期設定位置に再設定し、判断
（５８）でＹＥＳになるまで、ステップ（５３）〜（５
７）を繰り返す。そして、判断（５８）でＹＥＳになっ
た時点で仕上げ加工を終了（５９）する。After removing the contaminated electrolyte from the gap 19, the workpiece 5 is lowered (57) and it is determined whether the number of machining times is a predetermined number or not <5
8) Do. If this judgment is No, step (5)
Return to step 3), reset the workpiece 5 to the initial setting position, and repeat steps (53) to (5) until the judgment (58) becomes YES.
Repeat 7). Then, when the judgment (58) becomes YES, the finishing process is finished (59).
このように、この実施例にあっては、加工パルスのオフ
後に、ワーク５を、・電解液中に浸漬している状態から
空中に位置するまで上昇させるとともに、間隙１９に清
浄な電解液の噴流を供給するため、ワーク５の加工面５
ａでの電解液の流速が高まり、該加工面に付着した加工
屑等を除去し得るとともに、間隙内の汚染液を清浄な電
解液に入れ替えることができ、鏡面状の光沢面等の高精
度な仕上げ面を短時間かつ容易に得ることができる。In this embodiment, after the machining pulse is turned off, the workpiece 5 is raised from being immersed in the electrolytic solution to a position in the air, and clean electrolytic solution is poured into the gap 19. In order to supply the jet flow, the machining surface 5 of the workpiece 5
The flow rate of the electrolyte at point a increases, making it possible to remove machining debris adhering to the machined surface, as well as replacing the contaminated liquid in the gap with clean electrolyte, resulting in high precision, such as mirror-like glossy surfaces. It is possible to easily obtain a finished surface in a short time.
なお、上記実施例においては、間隙１９に指向して配設
したノズル１７から清浄な電解液の噴流を供給したが、
この発明はこれに何ら限定されず、例えば、第４図に示
すように、ワーク５及びロッド１９（もしくは電極２）
に孔４３を設けて、この孔４３から間隙１９に向けて電
解液の噴流を供給するようにしてもよい。このように構
成すれば、例えばワーク５の加工面積・が大きく、加工
面５ａが凹窩状に形成されている場合、該ワーク５を空
中から電解液中に浸漬する時に、加工面５ａに発生し易
い空気溜まりを間隙１９外に排除することができるとい
う効果も得られる。In the above embodiment, a jet of clean electrolyte was supplied from the nozzle 17 disposed toward the gap 19.
The present invention is not limited to this in any way; for example, as shown in FIG.
A hole 43 may be provided in the gap 19, and a jet of electrolyte may be supplied from the hole 43 toward the gap 19. With this configuration, for example, when the workpiece 5 has a large processing area and the processing surface 5a is formed in a concave shape, when the workpiece 5 is immersed in the electrolytic solution from the air, the problem that occurs on the processing surface 5a. Another advantage is that air pockets that tend to accumulate can be removed from the gap 19.
［発明の効果］
この発明は上述の通りに構成したので、次に記載する効
果を奏する。[Effects of the Invention] Since the present invention is configured as described above, it produces the following effects.
■ ワーク表面に付着した加工屑等を除去して間隙内の
汚染液に流下し得るとともに、間隙内の汚染液を間隙外
に排除し得て、該間隙の電解液を清浄な電解液に入れ替
えることができ、鏡面状の光沢面等の高精度な表面品質
を得ることができる。■ It is possible to remove machining debris etc. attached to the workpiece surface and flow down to the contaminated liquid in the gap, and also to remove the contaminated liquid in the gap to the outside of the gap and replace the electrolyte in the gap with a clean electrolyte. It is possible to obtain highly accurate surface quality such as a mirror-like glossy surface.
第１図はこの発明を実施し得る電解仕上げ加工装置のブ
ロック図、第２図は同要部のブロック図、第３図は加工
動作の一例を示すフローチャート、第４図は他の実施例
を示す要部の断面図である。
１・・・電解仕上げ加工装置、２・・・電極、３・・・
電極固定装置、 ４・・・定盤、５・・・ワーク、
６・・・ワーク固定装置、７・・・モータ、
８・・・駆動変換部、９・・・電源装置、 １０・・
・ヘッド駆動制御部、１３・・・制御装置、 １９・・
・間隙、４２・・・ＣＰＵ。Fig. 1 is a block diagram of an electrolytic finishing processing apparatus capable of implementing the present invention, Fig. 2 is a block diagram of the main parts thereof, Fig. 3 is a flowchart showing an example of processing operation, and Fig. 4 shows another embodiment. FIG. 1... Electrolytic finishing processing device, 2... Electrode, 3...
Electrode fixing device, 4... surface plate, 5... workpiece,
6... Work fixing device, 7... Motor,
8... Drive converter, 9... Power supply device, 10...
・Head drive control unit, 13...control device, 19...
・Gap, 42...CPU.
Claims (1)
槽内の定盤上に固定するステップ、 ロ、前記ワークを電解液中で前記電極と所定の間隙で対
設させるステップ、 ハ、前記ワークと電極との極間に加工パルスを供給する
ステップ、 ニ、前記ワークを上下動させるステップ、 ホ、前記ワークの上下動時に間隙に電解液の噴流を供給
するステップ。(1) An electrolytic finishing method comprising the following steps. B. Fixing an electrode having an electrode surface that follows the machining surface of the workpiece on a surface plate in a processing tank; B. Placing the workpiece in an electrolytic solution opposite the electrode at a predetermined gap; C. A step of supplying a machining pulse between the poles of the workpiece and the electrode; D. A step of moving the workpiece up and down; E. A step of supplying a jet of electrolyte into the gap when the workpiece is moved up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20653289A JPH0373221A (en) | 1989-08-09 | 1989-08-09 | Electrolytic finishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20653289A JPH0373221A (en) | 1989-08-09 | 1989-08-09 | Electrolytic finishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0373221A true JPH0373221A (en) | 1991-03-28 |
Family
ID=16524931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20653289A Pending JPH0373221A (en) | 1989-08-09 | 1989-08-09 | Electrolytic finishing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0373221A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642058A (en) * | 2011-02-21 | 2012-08-22 | 通用电气公司 | Electrocorrosion processing system and method |
| WO2018096837A1 (en) * | 2016-11-25 | 2018-05-31 | 三菱日立パワーシステムズ株式会社 | Electrical discharge machining method and electrical discharge machining device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171921A (en) * | 1984-09-11 | 1986-04-12 | Canon Inc | Method of finishing surface |
| JPS62255013A (en) * | 1986-04-28 | 1987-11-06 | Toyota Motor Corp | Electro-chemical machining device |
-
1989
- 1989-08-09 JP JP20653289A patent/JPH0373221A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171921A (en) * | 1984-09-11 | 1986-04-12 | Canon Inc | Method of finishing surface |
| JPS62255013A (en) * | 1986-04-28 | 1987-11-06 | Toyota Motor Corp | Electro-chemical machining device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642058A (en) * | 2011-02-21 | 2012-08-22 | 通用电气公司 | Electrocorrosion processing system and method |
| WO2018096837A1 (en) * | 2016-11-25 | 2018-05-31 | 三菱日立パワーシステムズ株式会社 | Electrical discharge machining method and electrical discharge machining device |
| KR20190042041A (en) * | 2016-11-25 | 2019-04-23 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | Electric discharge machining method and electric discharge machining device |
| CN109715331A (en) * | 2016-11-25 | 2019-05-03 | 三菱日立电力***株式会社 | Discharge-treating method and electric discharge device |
| CN109715331B (en) * | 2016-11-25 | 2020-08-04 | 三菱日立电力***株式会社 | Electric discharge machining method and electric discharge machining apparatus |
| US11241749B2 (en) | 2016-11-25 | 2022-02-08 | Mitsubishi Power, Ltd. | Electrical discharge machining method and electrical discharge machining device |
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