JPS59232724A - Electric-discharge machine - Google Patents

Electric-discharge machine

Info

Publication number
JPS59232724A
JPS59232724A JP10605483A JP10605483A JPS59232724A JP S59232724 A JPS59232724 A JP S59232724A JP 10605483 A JP10605483 A JP 10605483A JP 10605483 A JP10605483 A JP 10605483A JP S59232724 A JPS59232724 A JP S59232724A
Authority
JP
Japan
Prior art keywords
temperature
machining
fluid
cooling water
discharge 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
Application number
JP10605483A
Other languages
Japanese (ja)
Inventor
Toshiharu Karashima
辛嶋 利春
Atsushi Aramaki
荒「まき」 淳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP10605483A priority Critical patent/JPS59232724A/en
Publication of JPS59232724A publication Critical patent/JPS59232724A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING 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
    • B23H11/00Auxiliary apparatus or details, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

PURPOSE:To reduce the heat effect of a table and thereby perform electric-discharge machining in an extremely high accurate manner, by setting up a cooling fluid flow passage inside the table subject to the influence of a temperature rise in a machining solution. CONSTITUTION:In an electric-discharge machining system, a coolant water flow passage is meanderingly set up inside a table 6 of the principal system structure of a bed 10 provided with a column and a saddle 7. Then, even when temperature in a machining solution 2 goes up and thereby temperature in the table 6 comes to so high, the cooling water being cooled properly is fed to the cooling water flow passage inside this table from a water temperature control device 14 whereby the temperature of the table 6 is always kept equal to the temperature of the bed 10 being such a system structure that receives no influence of temperature in the machining solution 2 so that no thermal deformation happens in this table 6, thus extremely high accurate electric-discharge machining is performable.

Description

【発明の詳細な説明】 との琴明け、放電によって金属を加工する放電加工装置
に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electric discharge machining apparatus for machining metal by electric discharge.

従来、放電加工装置には第1図に図例するものがある。Conventionally, there is an electric discharge machining apparatus as shown in FIG.

すなわち、内部に加工液2を貯留している加工槽1内に
2電極3を主軸4に加工送シ自在に装着しておき、同様
に該加工槽内に配置しである工作物5に放電加工を施工
するものであシ、前記加工槽および工作物をテーブル乙
に装着し、Y方向に移動自在にし、また該テーブルをサ
ドル7に支承しておいてX方向にも移動自在にし、さら
に前記主軸は、ベッド10に固設したコラム9に支持さ
れたヘッド8に保持させてその送シ動作を案内させてい
る。なお、前記サドル7もまたベッド10上に配置しで
ある。
That is, two electrodes 3 are attached to the main shaft 4 in a machining tank 1 that stores machining fluid 2 so that they can be fed freely during machining, and electric discharge is applied to a workpiece 5 that is also placed in the machining tank. In this case, the processing tank and the workpiece are mounted on a table B so that it can be moved freely in the Y direction, and the table is supported on a saddle 7 so that it can be moved freely in the X direction. The main shaft is held by a head 8 supported by a column 9 fixed to the bed 10 to guide its feeding operation. Note that the saddle 7 is also placed on the bed 10.

したがって、この従来放電加工装置においては、加工液
2内に配設しである電極3および工作物5間に図示しな
い電源から放電エネルギを供給することによって前記工
作物に放電加工を施工するが、その際の放電エネルギの
ために加工液2の液温が上昇し、その液温によって加工
槽1およびテーブル6が直接に熱せられることになシ、
その結果前記加工液、′加工槽およびテーブルの温度が
放電加工@、+rt本体周辺の気温よシも高くなる。そ
の温度上昇は加工開始時から供給加工エネルギ量ととも
に徐々に増大して放電加工装置本体の最大の加熱源とな
っている。このようにして温度が上昇した加工液2の上
面、加工槽1およびテーブル6の表面から放熱11が起
るが、その輻射熱によって熱源に面しているコラム内側
1面9aおよびサドル上面7aが加熱されてその表面温
度が上昇することになシ、このようにヘッド8の上面、
コラム9の後面およびテーブル6の上面が局部的に変形
してそのために加工精度が劣化し、特に加工液2に直接
に接して該液温の影響を大きく受けるテープシロの変形
が前記加工精度に影響し、第1図に一点釦線で示したよ
うに、加工碇2に直接に接しているテープシロの上面が
下面よりも高温になるために大きく伸びて凸形状に熱変
形し、工作物5の位置が加工初期に比較してY方向にΔ
YおよびZ方向にΔ2の位置ずれを生じ(fxお、図示
しないがX方向にも位置ずれが起る)、シかも電極6に
対する工作物5の直角度がθだけ悪くなって加工精度を
劣化てせ、さらに放電加工装置のNC化の採用にともな
ってテーブル6を自動送りにして工作物中に多数加工を
施す場合には、各加工個所間のピッチが該NC指令値と
大きく異なった実際値になるなどの欠点があった。
Therefore, in this conventional electrical discharge machining apparatus, electrical discharge machining is performed on the workpiece by supplying electrical discharge energy from a power supply (not shown) between the electrode 3 disposed in the machining fluid 2 and the workpiece 5. The temperature of the machining fluid 2 rises due to the discharge energy at that time, and the machining bath 1 and table 6 are directly heated by the temperature of the machining fluid 2.
As a result, the temperatures of the machining fluid, the machining tank, and the table become higher than the temperature around the electrical discharge machining unit. The temperature rise gradually increases with the amount of supplied machining energy from the start of machining, and becomes the largest heating source for the electrical discharge machining apparatus main body. Heat radiation 11 occurs from the upper surface of the machining fluid 2 whose temperature has increased in this way, the surfaces of the machining tank 1 and the table 6, but the radiant heat heats the column inner surface 9a facing the heat source and the saddle upper surface 7a. In this way, the upper surface of the head 8,
The rear surface of the column 9 and the top surface of the table 6 are locally deformed, which deteriorates the machining accuracy. In particular, the deformation of the tape margin, which is in direct contact with the machining fluid 2 and is greatly affected by the temperature of the fluid, affects the machining precision. However, as shown by the one-dot button line in FIG. The position is Δ in the Y direction compared to the initial stage of machining.
A positional deviation of Δ2 occurs in the Y and Z directions (fx, but a positional deviation also occurs in the Furthermore, with the adoption of NC in electric discharge machining equipment, when the table 6 is automatically fed to machine many workpieces, the actual pitch between each machined location may differ greatly from the NC command value. There were drawbacks such as low value.

この発明は、このような現状からなされたものであって
、加工液を満たした加工槽および工作物を装着したテー
ブルの内部に冷却流体を供給することによって従来装置
の欠点を排除した放電加工装置を提供することを目的と
している。
The present invention was made in view of the current situation, and provides an electrical discharge machining device that eliminates the drawbacks of conventional devices by supplying cooling fluid to the inside of a machining tank filled with machining fluid and a table on which a workpiece is mounted. is intended to provide.

つぎに、この発明の実施例を図面によって説明すれば、
第2図において、電極6、工作物5および加工液2を内
蔵している加工槽1を支持したテーブル6、該テーブル
を支承しているサドル7、前記電極を主軸4とともに保
持したヘッド8、該ヘッドを支持するコラム9、ならび
に該コラムとサドル7とを配置したベッド10の主要装
置構造物の前記テーブルの内部に、第5図に示すように
、冷却水流路19を冷却表面を増面させるように蛇行屈
曲させて配設し、該流路の冷却水人口31を配備〜した
水入口蓋20をテーブル6の前端に、同じく冷却水出口
62を配備した水出口蓋22を後端に、さらに冷却水方
向切換流路66を配備した切換流路蓋21を複数個所に
両側面に夫々漏洩防止パツキン26を介在させて固設し
てあシ、なお前記冬着には流路遮蔽止め栓24を螺設し
ている。
Next, an embodiment of the present invention will be described with reference to the drawings.
In FIG. 2, a table 6 supporting an electrode 6, a workpiece 5 and a machining tank 1 containing a machining fluid 2, a saddle 7 supporting the table, a head 8 holding the electrode together with the main shaft 4, As shown in FIG. 5, a cooling water passage 19 is installed inside the table of the main equipment structure of the bed 10, in which the column 9 supporting the head and the column and the saddle 7 are arranged, to increase the cooling surface. A water inlet cover 20 with a cooling water outlet 31 for the flow path is provided at the front end of the table 6, and a water outlet cover 22 also provided with a cooling water outlet 62 is provided at the rear end. Furthermore, switching flow passage lids 21 equipped with cooling water direction switching flow passages 66 are fixedly installed at a plurality of locations with leakage prevention gaskets 26 interposed on both sides, and the winter clothes are equipped with flow passage blocking stoppers. A stopper 24 is screwed on.

前記装置構造物の外部には、第2図に示すように、内部
に冷却水12を貯賦した冷却水槽16を配置し、該冷却
水を、同じく装置外に配置した冷却水温度を定温に制御
できる水温制御装置14を介して、冷却水給水ホース1
7を経て前記テーブルの冷却水入口61から給水させ、
同じく冷却水出口62から冷却水を冷却水回収ホース1
8を経て冷却水槽13に回収させている。また、前記水
温制御装置には、テーブル6の温度を検出するテーブル
温検出器15および加工液2の熱影響を受けない、例え
ばベッド10の温度を検出するベッド温検出器16を夫
々接続してあシ、前記テーブル温か上昇し始めるとテー
ブル温検出器15が該温度を時々刻々に検出して前記制
御装置gに伝達し、ベッド源検出器16の測定値と比較
させて前記テーブル温の測定値が高いときには冷却水1
2を冷却することによって該テーブルの温度を低下させ
、テーブル温とベッド温間に温度差がなくなった時点に
おいて冷却水冷却を停止させ、該冷却水冷却停止間も冷
却水の供給は続行させる。なお、温度差の発生の都度、
自動的に前述動作を反復させるようにしである。
As shown in FIG. 2, a cooling water tank 16 in which cooling water 12 is stored is placed outside the device structure, and the cooling water is kept at a constant temperature, which is also placed outside the device. Through a water temperature control device 14 that can control the cooling water supply hose 1
Water is supplied from the cooling water inlet 61 of the table via 7,
Similarly, the cooling water is collected from the cooling water outlet 62 through the cooling water recovery hose 1.
8 and then collected in a cooling water tank 13. Further, a table temperature detector 15 for detecting the temperature of the table 6 and a bed temperature detector 16 for detecting the temperature of the bed 10, which is not affected by the heat of the processing fluid 2, for example, are connected to the water temperature control device. When the table temperature begins to rise, the table temperature detector 15 detects the temperature moment by moment, transmits it to the control device g, and compares it with the measured value of the bed source detector 16 to measure the table temperature. When the value is high, coolant 1
2, the temperature of the table is lowered, and when there is no difference in temperature between the table temperature and the bed temperature, the cooling water is stopped, and the supply of cooling water is continued even while the cooling water cooling is stopped. In addition, each time a temperature difference occurs,
The above operation is automatically repeated.

したがって、この発明によれば、加工液2が温度上昇し
てテーブル6のテーブル温が高温になっても、該テーブ
ル内の冷却水流路19に水温制御装置14から適宜に冷
却された冷却水12が供給され、テーブル6の温度が加
工液2の液温の影響を受けない装置構造物であるベッド
19の温度に常に等しく保持させられるから、前記テー
ブルには熱変形が起ることがなくて前記熱変形による加
工精度の劣化が生じることがない。
Therefore, according to the present invention, even if the temperature of the machining fluid 2 rises and the table temperature of the table 6 becomes high, the cooling water 12 is appropriately cooled from the water temperature control device 14 to the cooling water flow path 19 in the table. is supplied, and the temperature of the table 6 is always kept equal to the temperature of the bed 19, which is a device structure that is not affected by the temperature of the machining fluid 2, so that no thermal deformation occurs in the table. Deterioration of processing accuracy due to the thermal deformation does not occur.

この発明の他の実施例を示す第4図において、テーブル
6の内部には前述実施例と同様な冷却水流路19を配設
し、さらに装置構造物の外部にけ汚液槽26¥よび清浄
液4!27からなる加工液檀25を配置し、前記清浄液
槽の清浄加工液63を同じく装置外に配置した該清浄加
工液を定温に制御できる清浄加工液温制御装w14′を
介して清浄加工液給水ホース17′を経て前記テーブル
の冷却水入口61から給液させ、同じく冷却水出口62
から前記清浄加工液を清浄加工液回収ホース18′を経
て清浄液槽27に回収させるとともに、前記液温制御装
置には、テーブル6の温度を検出するテーブル温検出器
15および加工液2の熱影響を受けない、例えばベッド
10の温度を検出するベッド温検出器16を夫々接続さ
せて前述実施例の冷却水12によるのと同様な効果を清
浄加工液33に行なわせている。また、前記清浄液槽内
の清浄加工液63は給液ポンプ60によって加工槽1内
に給液自在とするとともに、該加工槽内の加工液2を汚
液回収ホース64を経て汚液槽26内に連通させて該汚
液槽内の汚加工液65に混合させ、該汚加工液は汚液吸
込ポンプ28によってフィルタ29を経て濾過して清浄
加工液66にして前記清浄−推漕内に補充させている。
In FIG. 4 showing another embodiment of the present invention, a cooling water flow path 19 similar to that of the previous embodiment is provided inside the table 6, and a dirty liquid tank 26 and a cleaning water tank 26 are provided outside the apparatus structure. A processing liquid tank 25 consisting of liquid 4!27 is arranged, and the cleaning liquid 63 in the cleaning liquid tank is controlled via a cleaning liquid temperature control device w14' which can control the cleaning liquid at a constant temperature, which is also placed outside the apparatus. The cleaning liquid is supplied from the cooling water inlet 61 of the table through the water supply hose 17', and is also supplied to the cooling water outlet 62 of the table.
The cleaned machining fluid is collected from the cleaning fluid tank 27 via the clean machining fluid recovery hose 18', and the fluid temperature control device includes a table temperature detector 15 that detects the temperature of the table 6 and a table temperature detector 15 that detects the temperature of the machining fluid 2. For example, bed temperature detectors 16 that are not affected by the temperature of the bed 10 are connected to each other to cause the cleaning liquid 33 to have the same effect as the cooling water 12 in the previous embodiment. The clean machining liquid 63 in the clean liquid tank can be freely supplied into the machining tank 1 by a liquid supply pump 60, and the machining liquid 2 in the machining tank is passed through a dirty liquid collection hose 64 to the dirty liquid tank 26. The dirty working liquid is mixed with the dirty working liquid 65 in the dirty liquid tank, and the dirty working liquid is filtered through the filter 29 by the dirty liquid suction pump 28 to form a clean working liquid 66 into the cleaning thrust tank. I am replenishing it.

したがって、この他の実施例は前述したように清浄加工
液36によって前述実施例の冷却水12によると全く回
様な効果を発揮できるとともに、冷却水槽16を特設す
る必吸がなく、従来装置に付設しである加工液槽25を
そのまま利用できる経済上の利点がるる上に、テーブル
6内に清浄加工液66だけを給液できてその冷却水流路
19の腐食を防止できるなどの効果もある。
Therefore, as described above, in this other embodiment, the cleaning liquid 36 can provide a completely similar effect to the cooling water 12 of the previous embodiment, and there is no need to specially install the cooling water tank 16, which is different from the conventional device. In addition to the economic advantage of being able to use the attached machining liquid tank 25 as is, there are also effects such as being able to supply only the clean machining liquid 66 into the table 6 and preventing corrosion of the cooling water flow path 19. .

上述したように、この発明は、加工液の温度上昇の影響
をテーブル内部に冷却流体流路を配設して冷却流体を供
給することによって、該テーブルの熱影響を減少させら
れ、そのために電極および工作物間の相対位置ずれが皆
無になって棹めて高精度の放電加工を施工でき、また前
記冷却流体に冷却水のほかに加工液も使用でき、特に加
工液を利用した場合には加工液槽をそのままに共用でき
るから経済上に不利であるなど、産業上の利用価値の大
きい殆明ということができる。
As described above, the present invention reduces the effect of temperature rise on the table by arranging a cooling fluid flow path inside the table and supplying the cooling fluid. And, it is possible to perform high-precision electrical discharge machining with no relative positional deviation between workpieces, and machining fluid can be used in addition to cooling water as the cooling fluid, especially when machining fluid is used. This method is economically disadvantageous because the processing liquid tank can be shared as it is, so it can be said that it has great industrial value.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、放電加工装置の従来例を示す熱歪による変形
状態を重ね画きしてあられした(i11面図、第2図は
、この発明の実施例を示す要部を縦切断してあられした
側面図、第6図は、前回のA−A切断面図、第4図は、
この発明の他の実施例を示す要部を縦切断してあられし
た側面図である。 1・・加工槽、2・・加工液、6・・電極、4・・主軸
、5・・工作物、6・・テーブル、7・・サドル、8・
・ヘッド、?・・コラム、10・・ベッド、12・・冷
却水、16・・冷却水槽、14・・水温制御装置、14
′ 清加工液温制御装置、15・・テーブル温検出器、
16・・ベッド温検出器、19・・冷却水流路、25・
・加工液槽、26・・汚液槽、27・・清浄液槽、61
・・冷却水入口、62・・冷却水出口、66・・清浄加
工液、65・・汚加工液。 なお、図中同符号は、同一または相当部分を示すものと
する。 代理人大岩増雄 第 1 図 第2図 第 3 図 手続補正書(自発) 特許庁長官殿 1、事件の表示   特願昭58−106054号2、
発明の名称 放電加工装置 3、補正をする者 代表者片肉仁へ部 明細書の「特許請求の範囲」、「発明の詳細な説明」及
び「図面の簡単な説明」の各欄並びに図面。 6、補正の内容 (1)明細書の「特許請求の範囲」を別紙のとおり補正
する。 (2)明細書第2頁第2行の「2電極ろ」を「電極6」
と補正する。 (3)明細書第6頁第6行〜第7行の「サドル上面7a
Jを「ヘッド下面8a」と補正する。 (4)明細書第6頁第8行の「上面」を「下面」と補正
する。 (5)明細書第3頁第9行の「後面」を「内側面」と補
正する。 (6ン明細書第6頁第16行の「加工碇2」を「加工液
2」と補正する。 (7)明細、1第4頁第6行〜第7行の「加工液を〜装
着した」を「工作物を装着する」と補正する。 (8)明細書第4頁第20行〜第5頁第1行の「水入口
蓋20を〜同じく」を「水入口蓋20および」と補正す
る。 (9〉明細書第5頁第1行〜第2行の「後端に」を)設
浅」と補正する。 θQ明細書用6頁M13行の「ベッド19」を「ベッド
10−1と補正する。 αυ明細書第9頁第9行のr14’ Jを「14′・・
・」と補正する。 以上 別紙 特許請求の範囲(補正) (1)放電加工装置構造物のうち、工作物を装着するテ
ーブルの内部に冷却流体流路を設け、該流路内に冷却流
体を送流して前記テーブルの温度を加工液の熱影響を受
けない他の前記構造物部分の温度と等しくなるように保
持させたこと・ン特徴とする放電加工装置。 (2)冷却流体に冷却水を使用した特許請求の範囲第1
項記載の放電加工装置。 (3)冷却流体に加工液を使用した特許請求の範囲第1
項記載の放電加工装置。 (4)冷却流体に使用する加工液を濾過するようにした
特許請求の範囲第6項記載の放電加工装置。
Fig. 1 shows a conventional example of an electric discharge machining device in a state of deformation due to thermal strain, which is overlaid on top of the image shown in Figure 1. Fig. 6 is a cross-sectional view taken from the previous A-A, and Fig. 4 is a side view of the
FIG. 7 is a side view showing another embodiment of the present invention, with main parts cut vertically. 1. Machining tank, 2. Machining liquid, 6. Electrode, 4. Spindle, 5. Workpiece, 6. Table, 7. Saddle, 8.
·head,? ...Column, 10..Bed, 12..Cooling water, 16..Cooling water tank, 14..Water temperature control device, 14.
' Cleaning liquid temperature control device, 15... table temperature detector,
16. Bed temperature detector, 19. Cooling water flow path, 25.
・Processing liquid tank, 26...Dirty liquid tank, 27...Clean liquid tank, 61
...Cooling water inlet, 62..Cooling water outlet, 66..Clean processing fluid, 65..Dirty processing fluid. Note that the same reference numerals in the figures indicate the same or corresponding parts. Agent Masuo Oiwa No. 1 Figure 2 Figure 3 Amendment to figure procedure (spontaneous) Commissioner of the Japan Patent Office 1, Indication of case Patent Application No. 106054/1982 2,
Name of the invention Electrical discharge machining device 3, Representative Hitoshi Kataniku of the person making the amendment The sections of the specification, ``Claims,'' ``Detailed Description of the Invention,'' and ``Brief Description of the Drawings,'' as well as the drawings. 6. Contents of the amendment (1) The "Claims" of the specification will be amended as shown in the attached sheet. (2) Change “2 electrodes” to “electrode 6” on the second line of page 2 of the specification.
and correct it. (3) “Saddle top surface 7a” on page 6, lines 6 to 7 of the specification
J is corrected as "head lower surface 8a". (4) "Top surface" on page 6, line 8 of the specification is corrected to "bottom surface." (5) "Rear surface" on page 3, line 9 of the specification is corrected to "inner surface." (“Machining anchor 2” on page 6, line 16 of the specification is corrected to “machining fluid 2”. (8) From page 4, line 20 to page 5, line 1 of the specification, “same as the water inlet cover 20” is changed to “the water inlet cover 20 and”. (9> Correct "at the rear end" in lines 1 and 2 of page 5 of the specification to "Shallow"). Correct "bed 19" in line M13 of page 6 for the θQ specification to "bed 19". 10-1. r14' J on page 9, line 9 of αυ specification is changed to "14'...
・” is corrected. Scope of Attached Patent Claims (Amendment) (1) Among the electrical discharge machining apparatus structures, a cooling fluid flow path is provided inside the table on which the workpiece is mounted, and the cooling fluid is sent into the flow path to cool the table. An electric discharge machining apparatus characterized in that the temperature is maintained equal to the temperature of other parts of the structure that are not affected by the heat of the machining fluid. (2) Claim 1 in which cooling water is used as the cooling fluid
The electrical discharge machining device described in Section 1. (3) Claim 1 in which machining fluid is used as the cooling fluid
The electrical discharge machining device described in Section 1. (4) The electrical discharge machining apparatus according to claim 6, wherein the machining fluid used as the cooling fluid is filtered.

Claims (4)

【特許請求の範囲】[Claims] (1)放電加工装置構造物のうち、加工液を満たした加
工槽および工作物を装着したテーブルの内部に冷却流体
流路を設け、該流路内に冷却流体を送流して前記テーブ
ルの温度を加工液の熱影響を受けない他の前記構造物部
分の温度と等しくなるように保持させたことを特徴とす
る放電加工装置。
(1) A cooling fluid flow path is provided inside the machining tank filled with machining fluid and the table on which the workpiece is mounted in the electrical discharge machining equipment structure, and the cooling fluid is sent through the flow path to raise the temperature of the table. An electrical discharge machining apparatus characterized in that the temperature of the structure is maintained equal to the temperature of other parts of the structure that are not affected by the heat of the machining fluid.
(2)冷却流体に冷却水を使用した特許請求の範囲第1
項記載の放電加工装置。
(2) Claim 1 in which cooling water is used as the cooling fluid
The electrical discharge machining device described in Section 1.
(3)冷却流住処加工液を使用した特許請求の範囲第1
項記載の放電加工装置。
(3) Claim 1 using cooling fluid processing fluid
The electrical discharge machining device described in Section 1.
(4)冷却流体に使用する加工液を濾過するようにした
特許請求の範囲第3項記載の放電加工装置。
(4) The electric discharge machining apparatus according to claim 3, wherein the machining fluid used as the cooling fluid is filtered.
JP10605483A 1983-06-14 1983-06-14 Electric-discharge machine Pending JPS59232724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10605483A JPS59232724A (en) 1983-06-14 1983-06-14 Electric-discharge machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10605483A JPS59232724A (en) 1983-06-14 1983-06-14 Electric-discharge machine

Publications (1)

Publication Number Publication Date
JPS59232724A true JPS59232724A (en) 1984-12-27

Family

ID=14423900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10605483A Pending JPS59232724A (en) 1983-06-14 1983-06-14 Electric-discharge machine

Country Status (1)

Country Link
JP (1) JPS59232724A (en)

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