JPS632620A - Electric discharge machine - Google Patents
Electric discharge machineInfo
- Publication number
- JPS632620A JPS632620A JP61140312A JP14031286A JPS632620A JP S632620 A JPS632620 A JP S632620A JP 61140312 A JP61140312 A JP 61140312A JP 14031286 A JP14031286 A JP 14031286A JP S632620 A JPS632620 A JP S632620A
- Authority
- JP
- Japan
- Prior art keywords
- ion exchange
- exchange resin
- conductivity
- machining
- fluid
- 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
- 238000005342 ion exchange Methods 0.000 claims abstract description 73
- 239000012530 fluid Substances 0.000 claims abstract description 68
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 35
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 35
- 238000003754 machining Methods 0.000 claims description 57
- 238000009760 electrical discharge machining Methods 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 244000201986 Cassia tora Species 0.000 description 1
- 102000006391 Ion Pumps Human genes 0.000 description 1
- 108010083687 Ion Pumps Proteins 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- NCAIGTHBQTXTLR-UHFFFAOYSA-N phentermine hydrochloride Chemical compound [Cl-].CC(C)([NH3+])CC1=CC=CC=C1 NCAIGTHBQTXTLR-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
この発明は導電性加工液を用いる放電加工装置、特にそ
の加工液の残イオン交換能力の表示に関するものである
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electric discharge machining apparatus using a conductive machining fluid, and particularly to an indication of the residual ion exchange capacity of the machining fluid.
［従来の技術］
導電性加工液を用いる放電加工、ワイヤカットにおいて
は、加工を容易に行うために、加工液の電導度を一定値
以下にする必要がある。そのため、従来から、放電加工
装置にイオン交換樹脂等を充填したイオン交換装置を設
けている。[Prior Art] In electric discharge machining and wire cutting using a conductive machining fluid, the conductivity of the machining fluid must be kept below a certain value in order to facilitate machining. Therefore, an ion exchange device filled with an ion exchange resin or the like has been conventionally provided in an electric discharge machining device.
第３図は従来の放電加工装置を示す説明図であり、図に
おいて（１）は加工液タンク、（２）はこの加工液タン
クに貯溜された加工液、（３）は加工槽（４）に加工液
（２）を供給する供給ポンプ、（５）は加工液制御用供
給ポンプ、（６）は電導度調節器、（７）は電ｂｎバル
ブ、（８）はイオン交換樹脂（８）である。Fig. 3 is an explanatory diagram showing a conventional electrical discharge machining device, in which (1) is a machining fluid tank, (2) is a machining fluid stored in this machining fluid tank, and (3) is a machining tank (4). (5) is the supply pump for controlling the machining fluid, (6) is the conductivity regulator, (7) is the electric BN valve, and (8) is the ion exchange resin (8). It is.
従来の放電加工装置は上記のように構成され、次のよう
に作動するようになっている。加工液タンク（１）に貯
溜された加工液（２）は、加工に際して、供給ポンプ（
３）によって、加工槽（４）に供給され、再び加工液タ
ンク（１）に戻され、加工液（２）は循環している。ま
た、加工液（２）の電導度の管理は、加工液制御用供給
ポンプ（５）によって加工液タンク（１）から送られる
加工液（２）の電導度を測定し、制御する電導度調節器
（６）によって行われる。すなわち、加工の進行に伴な
い発生する加工粉が液中に溶成することにより、加工液
（２）の電導度が上がり、その電導度値が、作業者の設
定した電導度値よりも高くなると、電導度調節器（６）
と連動した電磁バルブ（７）が開ぎ、加工液（２）がイ
オン交換装置（８）中のイオン交換樹脂を通過すること
によって、ある−定の液中のイオンが取り除かれた低い
電導度の加工液（２）が得られる。A conventional electric discharge machining apparatus is constructed as described above and operates as follows. The machining fluid (2) stored in the machining fluid tank (1) is supplied to the supply pump (
3), the machining fluid (2) is supplied to the machining tank (4) and returned to the machining fluid tank (1), thereby circulating the machining fluid (2). In addition, the conductivity of the machining fluid (2) is controlled by measuring and controlling the conductivity of the machining fluid (2) sent from the machining fluid tank (1) by the machining fluid control supply pump (5). This is done by a container (6). In other words, processing powder generated as processing progresses is dissolved in the liquid, increasing the electrical conductivity of the processing fluid (2), and the electrical conductivity value becomes higher than the electrical conductivity value set by the operator. Then, conductivity regulator (6)
The electromagnetic valve (7) linked to the ion exchanger (8) opens and the processing fluid (2) passes through the ion exchange resin in the ion exchange device (8), which removes ions from the fluid at a certain level of low conductivity. Processing liquid (2) is obtained.
そして、加工液タンク（１）内の加工液（２）の電導度
が再び設定値以下になると、電６ｒｉバルブ（７）が閉
じ、加工液（２）のイオン交換は行なわれなくなる。こ
のようにして、作業者が加工液（２）の電導度を常に作
業者が設定した値を常に保持する制御が行われているが
、イオン交換樹脂は加工液（２）中のイオンを交換する
能力がなくなると、新しいものに取り換える必要がある
。Then, when the electrical conductivity of the machining fluid (2) in the machining fluid tank (1) becomes less than the set value again, the electric valve (7) closes and ion exchange of the machining fluid (2) is no longer performed. In this way, the electrical conductivity of the machining fluid (2) is controlled to always maintain the value set by the operator, but the ion exchange resin exchanges ions in the machining fluid (2). When it no longer has the ability to do so, it must be replaced with a new one.
［発明が解決しようとする問題点コ
上記のような従来の放電加工装置では、イオン交換樹脂
の寿命をはっきり知ることができず、取り替え時機は作
業者の判断によるところが大きく、その判断がバラツク
という問題点があった。[Problems to be solved by the invention] In the conventional electrical discharge machining equipment as described above, it is not possible to clearly know the lifespan of the ion exchange resin, and the timing of replacement depends largely on the judgment of the operator, and the judgment may vary. There was a problem.
また、イオン交換樹脂の寿命に到るまでの残能力を知る
ことができず、作業能率を低下させているという問題点
があった。Further, there was a problem in that it was not possible to know the remaining capacity of the ion exchange resin until its life span was reached, resulting in a decrease in work efficiency.
この発明は、かかる問題点を解決するためになされたも
ので、イオン交換樹脂のイオン交換能力を測定してその
測定結果を表示し、イオン交換樹脂の残りの交換能力を
作業者に知らせることができる装置を備えた放電加工装
置を得ることを目的とする。This invention was made to solve this problem, and it is possible to measure the ion exchange capacity of an ion exchange resin, display the measurement results, and inform the operator of the remaining exchange capacity of the ion exchange resin. The purpose of the present invention is to obtain an electric discharge machining device equipped with a device capable of performing the following steps.
［問題点を解決するための手段］
この発明に係る放電加工装置は、イオン交換前の加工液
の電導度を測定する電導度調節器の他に、イオン交換直
後の加工液の電導度を測定する電導度計、およびイオン
交換流量を測定する流量計をイオン交１１ｊｒ 液径路
の途中に設け、それぞれの電導度の値、イオン交換流量
の値をデジタル信号に変換するＡ／Ｄ変換器、そしてそ
の信号を演算してイオン交換樹脂の残交換能力を求める
演算装置とそれぞれを表示する表示装置を具備したもの
である。[Means for Solving the Problems] The electric discharge machining apparatus according to the present invention includes, in addition to a conductivity regulator that measures the conductivity of the machining fluid before ion exchange, a conductivity controller that measures the conductivity of the machining fluid immediately after ion exchange. A conductivity meter that measures the ion exchange flow rate and a flow meter that measures the ion exchange flow rate are installed in the middle of the ion exchange 11jr liquid path, and an A/D converter that converts the respective conductivity values and ion exchange flow rate values into digital signals, and It is equipped with a calculation device that calculates the remaining exchange capacity of the ion exchange resin by calculating the signal, and a display device that displays each of them.
［作用〕
イオン交換樹脂のもつイオン交換能力は、−般にイオン
交換前とイオン交換直後の加工液の電導度の差によって
表わすことができる。[Function] The ion exchange ability of an ion exchange resin can generally be expressed by the difference in electrical conductivity of the working fluid before and immediately after ion exchange.
すなわち、イオン交換前の加工液をＡ（μＶ／ｃｍ）、
イオン交換直後の加工液型導度をＢ（μｖ ／ ｃ ｍ
）とすると、イオン交換能力Ｘ（μ■／ａｍ）は、次
式で表わせる。That is, the processing fluid before ion exchange is A (μV/cm),
The processing fluid type conductivity immediately after ion exchange is B (μv/cm
), the ion exchange capacity X (μ■/am) can be expressed by the following formula.
Ｘ＝Ａ−Ｂ
このイオン交換能力Ｘと加工液通過時間Ｔとの関係は、
イオン交換流量Ｑに応じて第２図のようになる。なお、
イオン交換能力Ｘと加工液通過時間Ｔとのこの関係は、
イオン交換樹脂量の大小に伴い変化するが、通常の放電
加工装置においては、それぞれの装置における仕様から
イオン交換樹脂量は固有に決定し、その加工装置におい
ては第２図の関係が固有に決定する。X=A-B The relationship between this ion exchange capacity X and processing fluid passage time T is:
Depending on the ion exchange flow rate Q, the result is as shown in FIG. In addition,
This relationship between ion exchange capacity X and machining fluid passage time T is as follows:
Although it changes with the amount of ion exchange resin, in normal electric discharge machining equipment, the amount of ion exchange resin is determined uniquely from the specifications of each equipment, and the relationship shown in Figure 2 is uniquely determined for that machining equipment. do.
図において、イオン交換流量がＱ Ｉ （Ｊ２７ｍ１
ｎ）で仕様初期のイオン交換樹脂のイオン交換能力をＸ
ａ（μｖ ／ ｃ ｍ ）とすると、加工液がイオン交
換樹脂を通過する時間Ｔの増加に伴い交換能力Ｘは下が
り、Ｔａ時間後に交換能力がＯとなりイオン交換樹脂の
寿命となる。In the figure, the ion exchange flow rate is Q I (J27m1
n) is the ion exchange capacity of the ion exchange resin at the initial stage of specification.
Assuming that a (μv/cm), the exchange capacity X decreases as the time T during which the processing fluid passes through the ion exchange resin increases, and after Ta time, the exchange capacity becomes O, which is the end of the life of the ion exchange resin.
この関係においては、加工中にイオン交換能力、および
ポンプ、イオン交換装置等の仕様で異なるイオン交換流
量を知ることかできれば、イオン交換樹脂の寿命に到る
までの残り通過時間を知ることができる。たとえば第２
図において、イオン交換前と交換直後の加工液の電導度
を測定し、イオン交換能力がｘｂと求められ、かつイオ
ン交換流量がＱ２と測定されたら、残り通過時間Ｔｂ時
間ということになる、このようにイオン交換前と交換直
後の加工液の電導度と、その時のイオン交換流量をそれ
ぞれ測定し、その値を演算装置で演算し、加工中におけ
るイオン交換樹脂のイオン交換能力を求め、寿命に到る
までの残イオン交換能力を表示装置に表示する。In this regard, if you can know the ion exchange capacity during processing and the ion exchange flow rate that varies depending on the specifications of the pump, ion exchange equipment, etc., you can know the remaining transit time until the end of the ion exchange resin's life. . For example, the second
In the figure, if the electrical conductivity of the working fluid before and immediately after ion exchange is measured, and the ion exchange capacity is determined to be xb, and the ion exchange flow rate is measured to be Q2, then the remaining passage time is Tb hours. In this way, we measure the electrical conductivity of the machining fluid before and immediately after ion exchange, and the ion exchange flow rate at that time, calculate the values with a calculation device, calculate the ion exchange capacity of the ion exchange resin during processing, and calculate the ion exchange capacity of the ion exchange resin during processing. The remaining ion exchange capacity is displayed on the display device.
［実施例コ
第１図はこの発明の一実施例を示す図であり、（５）は
加工液タンク（１） に貯溜された加工液（２）をイ
オン交換するためにイオン交換装置に供給する加工液制
御用供給ポンプ、（６）は加工液タンク（１）内の加工
液、すなわち交換前の加工液の電導度を測定する電導度
調節器（６ｂ）はイオン交換直後の加工液の電導度を測
定する電導度計、（７）は電導度調節器（６）と連動し
たバルブの開閉を行なう電６ｆ１バルブ、（８）は加工
液中のイオンを取り除くイオン交換樹脂、（９）は加工
液がイオン交換樹脂を通過する流量を測定するイオン交
換流量計、（１０）は電導度調節器（６）と電導度計（
６ｂ）によってそれぞれ測定されたイオン交換前と交換
直後の加工液の電導度の値、およびイオン交換流量計（
９）によって測定されたイオン交換流量の値をデジタル
値に変換するＡ／Ｄ変換器、（１１）はＡ／Ｄ変換され
たデジタル値をもとに、イオン交１１２８４脂の残イオ
ン交換能力を求める演算装置、（１２）は演算袋Ｕ （
１１）で求めたイオン交換樹脂の残イオン交換能力等を
表示する表示装置である。[Example 1] Fig. 1 is a diagram showing an embodiment of the present invention, and (5) shows a flowchart in which the machining fluid (2) stored in the machining fluid tank (1) is supplied to an ion exchange device for ion exchange. (6) is a supply pump for controlling the machining fluid, which measures the conductivity of the machining fluid in the machining fluid tank (1), that is, the conductivity regulator (6b) measures the conductivity of the machining fluid immediately after ion exchange. A conductivity meter that measures conductivity, (7) is an electric 6f1 valve that opens and closes the valve in conjunction with the conductivity regulator (6), (8) is an ion exchange resin that removes ions from the processing fluid, (9) (10) is an ion exchange flowmeter that measures the flow rate of processing fluid passing through an ion exchange resin, and (10) is a conductivity regulator (6) and a conductivity meter (
6b), and the conductivity values of the working fluid before and immediately after ion exchange, respectively, measured by the ion exchange flowmeter (
9) is an A/D converter that converts the value of the ion exchange flow rate measured into a digital value, and (11) is an A/D converter that converts the value of the ion exchange flow rate measured by 11284 fat into a digital value. The desired arithmetic unit, (12) is the arithmetic bag U (
This is a display device that displays the remaining ion exchange capacity of the ion exchange resin determined in step 11).
上記のように構成された放電加工装置は次のように作動
するようになっている。加工液タンク（１）内の加工液
（２）が加工の目的に応じて設定した電導度以上になる
と、電導度調節器（６）と連動した電磁バルブ（７）が
開き、加工液はイオン交換樹脂（８）に送られ、加工液
中のイオン交換がなされる。モして電導度調節器（６）
でイオン交換前の加工液の値Ａ、電電導計（６ｂ）でイ
オン交換直後の加工液の電導度の値Ｂ、イオン交換流量
計（９）でイオン交換流ｉＱをそれぞれ測定した後、Ａ
／Ｄ変換器（１０）でデジタル値に変換して、演算装置
（１１１にそれぞれの値を送る。The electric discharge machining apparatus configured as described above operates as follows. When the conductivity of the machining fluid (2) in the machining fluid tank (1) exceeds the electrical conductivity set according to the purpose of machining, the electromagnetic valve (7) linked to the conductivity regulator (6) opens, and the machining fluid becomes ionized. It is sent to the exchange resin (8), where ions in the processing fluid are exchanged. Conductivity regulator (6)
After measuring the value A of the working fluid before ion exchange, the conductivity value B of the working fluid immediately after ion exchange with the conductivity meter (6b), and the ion exchange flow iQ with the ion exchange flowmeter (9),
The /D converter (10) converts it into a digital value and sends each value to the arithmetic unit (111).
ここで、演算装置（１１）には、あらかじめ、加工装置
の仕様から決定されるイオン交換樹脂量においてのイオ
ン交換樹脂の寿命特性データ、すなわち第２図に示した
関係をテーブル化するなりしてインツブ・ントしておく
。 しかして、ン寅算装ｆｉｔ（１１）では、イオン交
換前の加工液の電導度の値Ａ、イオン交換直後の加工液
の電導度の値Ｂから、イオン交換能力Ｘ （＝Ａ−Ｂ）
を演算し、イオン交換能力Ｘとイオン交換流量Ｑの値か
ら、第２図のイオン交換樹脂の寿命特性をもとに、イオ
ン交換樹脂の寿命に到るまでの残り作動時間を求める。Here, the arithmetic unit (11) is preliminarily stored with a table containing life characteristic data of the ion exchange resin at the amount of ion exchange resin determined from the specifications of the processing equipment, that is, the relationship shown in Fig. 2. I'll keep it in mind. Therefore, in Tora Calculation Fit (11), from the value A of the electrical conductivity of the working fluid before ion exchange and the value B of the electrical conductivity of the working fluid immediately after ion exchange, the ion exchange capacity X (=A-B)
is calculated, and from the values of ion exchange capacity X and ion exchange flow rate Q, the remaining operating time until the end of the ion exchange resin's life is determined based on the life characteristics of the ion exchange resin shown in FIG.
そして、表示装置（１２）では演算（１１）で求めたイ
オン交換能力、寿命までの残り作動時間を表示して、作
業者に知らせる。Then, the display device (12) displays the ion exchange capacity determined by the calculation (11) and the remaining operating time until the service life to notify the operator.
なお、上記実施例では、放電加工、ワイヤカットの場合
について説明したが、電解加工、電解研削加工等の電極
と被加工体間に加工液を介在させて通電することにより
加工する電気加工に使用する装置であってもよく、上記
実施例と同様の効果を奏する。In the above embodiment, the case of electric discharge machining and wire cutting was explained, but it is also used in electrolytic machining, electrolytic grinding, etc., in which machining fluid is interposed between the electrode and the workpiece and electrical current is applied. The device may also have the same effect as the above embodiment.
〔発明の効果］
この発明は以上説明したとおり、イオン交換前とイオン
交換直後の電導度、およびイオン交換流量を測定し、そ
の値をもとに、イオン交換樹脂の残イオン交換能力を演
算する装置とそれを表示する装置を具備したことにより
イオン交換樹脂の寿命をはつはり見極めることができ、
経済的にかつ能率よく作業を行うことができるという効
果がある。[Effects of the Invention] As explained above, the present invention measures the electrical conductivity before ion exchange and immediately after ion exchange, and the ion exchange flow rate, and calculates the remaining ion exchange capacity of the ion exchange resin based on the values. By having a device and a device to display it, it is possible to determine the lifespan of the ion exchange resin.
This has the effect of allowing work to be done economically and efficiently.
第１図は本発明の一実施例による放電加工装置を示す説
明図、第２図はイオン交換樹脂の寿命に到るまでの特性
を示す図、第３図は従来の放電加工装置を示す説明図で
ある。
図において（＋）は加工液タンク、（２）は加工液、（
５）は供給ポンプ、（６）は電導度調節器、（６ｂ）は
電導度計、（７）はバルブ、（８）はイオン交換装置、
（９）は流量計、（１０）はＡ／Ｄ変換器、（１１）は
演算装置、（１２）は表示装置である。
なお、各図中同一符号は同一または相当部分を示す。Fig. 1 is an explanatory diagram showing an electrical discharge machining device according to an embodiment of the present invention, Fig. 2 is a diagram showing the characteristics of ion exchange resin up to the end of its life, and Fig. 3 is an explanatory diagram showing a conventional electrical discharge machining device. It is a diagram. In the figure, (+) is the machining fluid tank, (2) is the machining fluid, (
5) is a supply pump, (6) is a conductivity regulator, (6b) is a conductivity meter, (7) is a valve, (8) is an ion exchange device,
(9) is a flowmeter, (10) is an A/D converter, (11) is a calculation device, and (12) is a display device. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
のイオン交換をするイオン交換装置を備えた放電加工装
置において、 該イオン交換装置の前後にそれぞれ加工液の電導度を測
定する電導度計、およびイオン交換経路の途中にイオン
交換流量を測定する流量計を設け、かつ電導度計によつ
て測定されたイオン交換前後のそれぞれの加工液の電導
度の値と、流量計によつて測定されたイオン交換流量計
の値をもとに、イオン交換樹脂の寿命に到るまでの残イ
オン交換能力を求める演算装置、およびその残イオン交
換能力を表示する表示装置を備えたことを特徴とする放
電加工装置。[Scope of Claims] In an electrical discharge machining machine that uses a conductive fluid as a machining fluid and is equipped with an ion exchange device that exchanges ions of the machining fluid in the middle of a machining fluid supply device, the machining fluid is supplied before and after the ion exchange device, respectively. A conductivity meter that measures the conductivity and a flowmeter that measures the ion exchange flow rate are installed in the middle of the ion exchange path, and the conductivity values of the processing fluid before and after ion exchange are measured by the conductivity meter. and a calculation device that calculates the remaining ion exchange capacity until the end of the life of the ion exchange resin based on the value of the ion exchange flowmeter measured by the flow meter, and a display that displays the remaining ion exchange capacity. An electrical discharge machining device characterized by being equipped with a device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61140312A JPS632620A (en) | 1986-06-18 | 1986-06-18 | Electric discharge machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61140312A JPS632620A (en) | 1986-06-18 | 1986-06-18 | Electric discharge machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS632620A true JPS632620A (en) | 1988-01-07 |
Family
ID=15265869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61140312A Pending JPS632620A (en) | 1986-06-18 | 1986-06-18 | Electric discharge machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS632620A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03181384A (en) * | 1989-12-12 | 1991-08-07 | Tonen Corp | Resin regenerating system for pure water producing apparatus |
| DE4241709A1 (en) * | 1991-12-10 | 1993-06-17 | Mitsubishi Electric Corp | Ion exchange process - comprises passing liq. over surface of ion exchange resin and stirring resin, for adjusting resistivity of electro-erosion machining liq. |
| EP1073139A2 (en) * | 1999-07-28 | 2001-01-31 | Joh. Vaillant GmbH u. Co. | Water supply system |
| EP1486281A1 (en) * | 2003-06-02 | 2004-12-15 | Fanuc Ltd | Machining fluid treating device for wire-cut electric discharge machine |
| JP5312696B1 (en) * | 2012-07-02 | 2013-10-09 | 三菱電機株式会社 | Electric discharge machining liquid cleaning device and electric discharge machining liquid cleaning method |
| CN105397211A (en) * | 2014-09-08 | 2016-03-16 | 发那科株式会社 | Electronic Discharge Machine |
-
1986
- 1986-06-18 JP JP61140312A patent/JPS632620A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03181384A (en) * | 1989-12-12 | 1991-08-07 | Tonen Corp | Resin regenerating system for pure water producing apparatus |
| DE4241709A1 (en) * | 1991-12-10 | 1993-06-17 | Mitsubishi Electric Corp | Ion exchange process - comprises passing liq. over surface of ion exchange resin and stirring resin, for adjusting resistivity of electro-erosion machining liq. |
| EP1073139A2 (en) * | 1999-07-28 | 2001-01-31 | Joh. Vaillant GmbH u. Co. | Water supply system |
| EP1073139A3 (en) * | 1999-07-28 | 2004-01-07 | Vaillant GmbH | Water supply system |
| EP1486281A1 (en) * | 2003-06-02 | 2004-12-15 | Fanuc Ltd | Machining fluid treating device for wire-cut electric discharge machine |
| JP5312696B1 (en) * | 2012-07-02 | 2013-10-09 | 三菱電機株式会社 | Electric discharge machining liquid cleaning device and electric discharge machining liquid cleaning method |
| WO2014006672A1 (en) * | 2012-07-02 | 2014-01-09 | 三菱電機株式会社 | Cleaning device for electrical discharge machining fluid and cleaning method for electrical discharge machining fluid |
| US9339882B2 (en) | 2012-07-02 | 2016-05-17 | Mitsubishi Electric Corporation | Cleaning device for electrical-discharge machining fluid and cleaning method for electrical-discharge machining fluid |
| CN105397211A (en) * | 2014-09-08 | 2016-03-16 | 发那科株式会社 | Electronic Discharge Machine |
| EP3002073A1 (en) * | 2014-09-08 | 2016-04-06 | Fanuc Corporation | Electric discharge machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5762774A (en) | Apparatus for the purification of liquids and a method of manufacturing and of operating same | |
| JP3149138B2 (en) | Control device for continuous electrolytic ionized water generator | |
| EP0113567A1 (en) | Control system and method of automatic control of cooling water tower systems | |
| EP0537526A1 (en) | Controlling apparatus for continuous electrolytic ion water producing apparatus | |
| JPS632620A (en) | Electric discharge machine | |
| US3067123A (en) | Apparatus for regulating current density and other factors in an electrolytic bath | |
| JPS62297020A (en) | Electric discharge machine | |
| CN105397211A (en) | Electronic Discharge Machine | |
| EP1486281A1 (en) | Machining fluid treating device for wire-cut electric discharge machine | |
| CN101469442B (en) | Pulse modulation power supply and electrochemical polish apparatus equipped therewith | |
| JP4829636B2 (en) | Water circulation type compressor equipped with an evaluation device for residual treatment capacity of ion-exchanged deionizers | |
| JPS632619A (en) | Electric discharge machine | |
| CN109922640B (en) | Circulation cooling system and electronic equipment | |
| EP2108004B1 (en) | Water supply system and method | |
| US2455997A (en) | Current regulating system | |
| JP2836670B2 (en) | Method and apparatus for replenishing metal ions in plating solution | |
| CN114349130B (en) | Electrolytic dephosphorization device with constant electrolytic current | |
| JP3192182B2 (en) | Control device for continuous electrolytic ionized water generator | |
| CN220071271U (en) | EDI membrane piece testing arrangement | |
| JPS5941687A (en) | Pump control device | |
| JPH06320161A (en) | Water preparing apparatus | |
| KR100478658B1 (en) | Method for controlling water quality of ionic water | |
| JP2017213552A (en) | Water treatment system | |
| US3816292A (en) | Apparatus for electrolytically etching a workpiece | |
| JPH0929636A (en) | Processing liquid filtration equipment |