JPH0332519A - Electrolytic finishing process - Google Patents
Electrolytic finishing processInfo
- Publication number
- JPH0332519A JPH0332519A JP16616189A JP16616189A JPH0332519A JP H0332519 A JPH0332519 A JP H0332519A JP 16616189 A JP16616189 A JP 16616189A JP 16616189 A JP16616189 A JP 16616189A JP H0332519 A JPH0332519 A JP H0332519A
- Authority
- JP
- Japan
- Prior art keywords
- gap
- electrode
- electrolyte
- jet
- workpiece
- 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
- 238000007730 finishing process Methods 0.000 title description 2
- 239000003792 electrolyte Substances 0.000 claims abstract description 58
- 238000003754 machining Methods 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000001914 filtration Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000008151 electrolyte solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 239000002699 waste material Substances 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
- 239000003990 capacitor Substances 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
- 238000009760 electrical discharge machining 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
- 239000007788 liquid Substances 0.000 description 1
- 238000003672 processing method Methods 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]
この発明は、三次元形状等に加工されたワークを電解作
用によって仕上げる電解仕上げ加工方法に間する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an electrolytic finishing method for finishing a workpiece processed into a three-dimensional shape or the like 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、静止した電解液中で所定の間隙で対設
させ、その極間に加工パルスを供給してワークを電解仕
上げ加工する電解仕上げ加工方法としては、例えば特開
昭63−196321号公報に開示されている。[Prior Art] Conventionally, a workpiece and an electrode having an electrode surface that follows the machining surface of the workpiece are placed opposite each other with a predetermined gap in a stationary electrolytic solution, and a machining pulse is supplied between the electrodes. An electrolytic finishing method for electrolytically finishing a workpiece is disclosed in, for example, Japanese Patent Laid-Open No. 196321/1983.
[発明が解決しようとする課題]
ところで、この電解仕上げ加工方法にあっては、電極の
上昇動作と同期させて、該間隙に指向する如く配設した
ノズルから間隙に清浄な電解液の噴流を供給して、間隙
に生成した加工屑等を排除しているが、例えば、ワーク
が三次元の複雑な形状で、加工面積が大きい場合など、
ノズルによる噴流の流速では加工屑が排除されない部分
が発生したり、ワークの凸部の空ス溜まりを排除しきれ
ず、この部分が加工不可となるなど、ワークの加工面全
域に亘り加工条件を均一にすることが困難で、光沢面等
の高精度な表面品質を安定して得にくいという問題点が
あった。[Problems to be Solved by the Invention] By the way, in this electrolytic finishing method, a jet of clean electrolyte is applied to the gap from a nozzle arranged so as to be directed toward the gap in synchronization with the rising movement of the electrode. However, for example, when the workpiece has a complex three-dimensional shape and the machining area is large,
The flow rate of the jet stream from the nozzle may cause parts where machining debris is not removed, or empty spaces on convex parts of the workpiece cannot be completely removed, making it impossible to process these parts. There was a problem in that it was difficult to obtain a highly accurate surface quality such as a glossy surface stably.
そこで、この発明の目的は、三次元形状等のワークであ
っても、間隙内の加工屑等を確実に排除し、光沢面等の
高精度な表面品質を安定して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。Therefore, the purpose of this invention is to provide electrolytic finishing that can reliably eliminate machining debris in the gaps and stably obtain high-precision surface quality such as a glossy surface, even for workpieces with three-dimensional shapes. It lies in realizing the processing method.
[課題を解決するための手段]
この目的を達成するために、この出願の第1発明は、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、静止した電解液中で所定の間隙で対設させ、そ
の極間に加工パルスを供給してワークを電解仕上げ加工
するものにおいて、加工パルスを供給した後に前記間隙
を拡大するステップと、前記間隙の拡大動作と関連して
、前記電極もしくはワークの少なくとも一方に設けた孔
から、該間隙に清浄な電解液の噴流を供給するステップ
と、前記孔からの電解液の噴流供給動作と関連して、前
記間隙に指向する如く配設したノズルから、該間隙に清
浄な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 first invention of this application includes a workpiece and an electrode having an electrode surface that follows the machined surface of the workpiece in a stationary electrolyte solution. In an apparatus for electrolytically finishing a workpiece by supplying a machining pulse between the poles of the poles, which are arranged opposite to each other with a predetermined gap, the step of expanding the gap after supplying the machining pulse, and the step of expanding the gap in conjunction with the operation of expanding the gap. , a step of supplying a jet of clean electrolyte to the gap from a hole provided in at least one of the electrode or the workpiece; The method is characterized by comprising a step of supplying a jet of clean electrolyte to the gap from a disposed nozzle.
また、第2発明は、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、静止した電解液中で所定
の間隙で対設させ、その極間に加工パルスを供給してワ
ークを電解仕上げ加工するものにおいて、加工パルスを
供給した後に前記間隙を拡大するステップと、前記間隙
の拡大動作と関連して、間隙に指向する如く配設したノ
ズルから、該間隙に清浄な電解液の噴流を供給するステ
ップと、前記ノズルからの電解液の噴流供給動作と関連
して、前記電極もしくはワークの少なくとも一方に設け
た孔から、間隙の電解液を吸引するステップとを具備す
ることを特徴とする。Further, the second invention provides a method in which a workpiece and an electrode having an electrode surface patterned after the machining surface of the workpiece are placed opposite each other at a predetermined gap in a stationary electrolytic solution, and a machining pulse is supplied between the electrodes. In a device that performs electrolytic finishing on a workpiece, the step of enlarging the gap after supplying a processing pulse, and in conjunction with the gap enlarging operation, injecting clean electrolyte into the gap from a nozzle arranged so as to be directed toward the gap. The method includes the steps of supplying a jet of liquid, and sucking the electrolyte in the gap from a hole provided in at least one of the electrode or the work in conjunction with the operation of supplying the jet of electrolyte from the nozzle. It is characterized by
[作 用]
この出願の第1発明の構成によれば、加工パルス供給後
の電極の上昇動作と同期させて、例えば電極に設けた孔
から、電極とワークとの間隙に清浄な電解液の噴流を供
給するとともに、この孔による噴流供給動作と同期させ
て、前記間隙に指向する如く配設したノズルから・該間
隙に清浄な電解液の噴流を供給し、間隙内の加工屑等を
間隙外に排除する。[Function] According to the configuration of the first invention of this application, clean electrolyte is injected into the gap between the electrode and the workpiece from, for example, a hole provided in the electrode in synchronization with the rising movement of the electrode after supplying the machining pulse. In addition to supplying a jet stream, in synchronization with the jet stream supply operation by this hole, a jet stream of clean electrolytic solution is supplied to the gap from a nozzle arranged so as to be directed toward the gap, and machining debris, etc. in the gap is removed from the gap. exclude outside.
また、第2発明の構成によれば、例えば電極の上昇動作
と同期させて、ノズルから間隙に清浄な電解液の噴流を
供給するとともに、このノズルによる噴流供給動作と同
期させて、例えば電極に設けた孔から間隙内の加工屑等
を吸引して、間隙の外部に排出する。Further, according to the configuration of the second invention, a jet of clean electrolyte is supplied from the nozzle to the gap in synchronization with, for example, the rising operation of the electrode, and a jet of clean electrolyte is supplied to the gap, for example, in synchronization with the jet supply operation by this nozzle. Machining waste, etc. in the gap is sucked through the provided hole and discharged to the outside of the gap.
[実施例コ
以下、図面を参照してこの出願の各発明の実施例を詳細
かつ具体的に説明する。[Embodiments] Hereinafter, embodiments of each invention of this application will be described in detail and specifically with reference to the drawings.
第1図は、各発明を実施し得る電解仕上げ加工装置を示
す。図において、電解仕上げ加工装置1は、電極2を固
定する電極固定装置3、ワーク4を固定するワーク固定
装置5、モータ6の回転運動を上下運動に変換する駆動
変換部7、極間に加工パルスを供給する電源装置8、ヘ
ッド駆動制御部9と加工条件制御部10と電解液流制御
部11等からなる制御装置12、ワーク4に間する各種
データ等を人力する人力装置13、電解液を濾過する電
解液濾過装置14、電極2とワーク4の間隙15に指向
する如く配設した単数もしくは複数個のノズル16、加
工槽17等からなる。FIG. 1 shows an electrolytic finishing apparatus capable of implementing each invention. In the figure, an electrolytic finishing processing apparatus 1 includes an electrode fixing device 3 that fixes an electrode 2, a work fixing device 5 that fixes a workpiece 4, a drive conversion unit 7 that converts the rotational motion of a motor 6 into vertical motion, and a machining process between machining holes. A power supply device 8 that supplies pulses, a control device 12 consisting of a head drive control section 9, a processing condition control section 10, an electrolyte flow control section 11, etc., a human power device 13 that manually inputs various data etc. to the workpiece 4, and an electrolyte solution. It consists of an electrolyte filtration device 14 for filtering the electrolyte, one or more nozzles 16 arranged so as to face the gap 15 between the electrode 2 and the workpiece 4, a processing tank 17, and the like.
前記電極固定装置3は、その下部に設けたロッド18の
下端に、例えば純銅もしくはグラファイトからなる電極
2を、その電極面2aとワーク4の加工面4aとが三次
元方向に−様な間隙15を保つように固定する。この電
極固定装置3は、前記ヘッド駆動制御部9の制御信号に
よるモータ6の回転により上下動し、電極面2aと加工
面4aとを所定の間隙15に設定する。なお、電極2及
びロッド18には、一端が間隙15に開口する電解液の
噴流供給用もしくは吸引用の孔19を設ける。The electrode fixing device 3 has an electrode 2 made of, for example, pure copper or graphite attached to the lower end of a rod 18 provided at the bottom of the device 3, with a gap 15 such that the electrode surface 2a and the processed surface 4a of the workpiece 4 are spaced in a three-dimensional direction. Fix it to keep it. This electrode fixing device 3 is moved up and down by rotation of the motor 6 based on a control signal from the head drive control section 9, and sets a predetermined gap 15 between the electrode surface 2a and the processing surface 4a. Note that the electrode 2 and the rod 18 are provided with a hole 19 for supplying or suctioning a jet of electrolytic solution, one end of which opens into the gap 15 .
前記ワーク固定装置5は、絶縁性の高いグラナイトもし
くはセラミックス製のテーブルで、その上面には例えば
型彫放電加工されたワーク4を図示しないセット治具等
により固定する。The workpiece fixing device 5 is a table made of highly insulating granite or ceramics, and a workpiece 4 subjected to die-sinking electrical discharge machining, for example, is fixed to the upper surface of the table using a setting jig (not shown) or the like.
前記電源装置8は、直流電源部20と充放電部21とで
構成され、前記加工条件制御部10からの制御信号によ
り、充放電部21の図”示しない複数の蓄電器から所定
の加工パルスを電極2とワーク4の極間に供給する。ま
た、前記入力装置13は、加工面積S、仕上げ加工しろ
等のワーク4に間する各種データ、及び各種加工回数、
初期電極間隙等の加工条件を入力する。The power supply device 8 is composed of a DC power supply section 20 and a charge/discharge section 21, and receives predetermined machining pulses from a plurality of capacitors (not shown) of the charge/discharge section 21 in response to a control signal from the processing condition control section 10. It is supplied between the electrode 2 and the workpiece 4. The input device 13 also inputs various data related to the workpiece 4 such as the machining area S, finishing machining margin, and various machining times.
Input processing conditions such as initial electrode gap.
前記電解液濾過装置14は、例えば第2図に示す如く、
加工槽17からの汚染した電解液を貯留するダーティタ
ンク22と、このダーティタンク22の電解液を汲み上
げるポンプ23と、このポンプ23て汲み上げた電解液
を濾過しクリーンタンク25に供給するフィルタ24と
、クリーンタンク25の電解液を汲み上げるポンプ26
と、このボン126で汲み上げた電解液を前記ノズル1
6及び孔19に供給する電磁弁27.28等からなる。The electrolyte filtration device 14 includes, for example, as shown in FIG.
A dirty tank 22 that stores the contaminated electrolyte from the processing tank 17, a pump 23 that pumps up the electrolyte from the dirty tank 22, and a filter 24 that filters the electrolyte pumped up by the pump 23 and supplies it to the clean tank 25. , a pump 26 that pumps up the electrolyte from the clean tank 25
Then, the electrolyte pumped up by this bong 126 is transferred to the nozzle 1.
6 and the solenoid valves 27 and 28 that supply the hole 19.
なお、前記電磁弁27.28及びポンプ23.26は、
前記電解液流制御部11によってそれぞれ制御される。Note that the solenoid valves 27, 28 and pumps 23, 26 are
Each is controlled by the electrolyte flow control section 11.
次に、この出願の第1発明の電解仕上げ加工方法の一実
施例を、第3図のタイミングチャーI・に基づいて説明
する。Next, an embodiment of the electrolytic finishing method of the first invention of this application will be described based on the timing chart I in FIG.
電極2とワーク4の極間に、前記電源装置8から所定の
加工パルス、例えば単一パルス(もしくは複数パルス)
の加工パルスを供給し、この加工パルスのオフと同時(
もしくは所定時間後)に、電極2を上昇させるとともに
、前記電磁弁28を作動させて、ボン126によって汲
み上げた清浄な電解液の噴流を、電極2の孔19から拡
大した間隙15内に供給し、該間隙15内の加工屑等を
間隙15外に排除する。この電解液の噴流は、電極2の
初期位置への再設定と同時(もしくは所定時間後)に停
止する。A predetermined processing pulse, for example, a single pulse (or multiple pulses) is applied from the power supply device 8 between the electrode 2 and the workpiece 4.
A machining pulse is supplied, and at the same time as this machining pulse is turned off (
or after a predetermined time), the electrode 2 is raised and the electromagnetic valve 28 is activated to supply a jet of clean electrolyte pumped up by the bong 126 from the hole 19 of the electrode 2 into the enlarged gap 15. , and removes machining debris and the like within the gap 15 to the outside of the gap 15. This jet of electrolyte stops at the same time as the electrode 2 is reset to its initial position (or after a predetermined period of time).
そして、次の加工パルスが供給され、これがオフすると
、電極2を上昇させるとともに、前記電磁弁27を作動
(電磁弁28は不作動)させて、ポンプ26によって汲
み上げた清浄な電解液の噴流を、間隙15に指向する如
く配設した、例えば複数個のノズル16から拡大した間
隙15に供給し、該間隙15内の加工屑等を間隙15外
に排除する。この噴流も電極2の初期位置への設定と同
時に停止する。そして、これらの一連の動作を所定回数
繰り返えして仕上げ加工を終了する。Then, the next machining pulse is supplied, and when it is turned off, the electrode 2 is raised and the solenoid valve 27 is activated (the solenoid valve 28 is not activated), so that a jet of clean electrolyte pumped up by the pump 26 is generated. , for example, from a plurality of nozzles 16 disposed so as to be directed toward the gap 15, to the enlarged gap 15, and remove machining waste and the like within the gap 15 to the outside of the gap 15. This jet stream also stops at the same time as the electrode 2 is set to its initial position. These series of operations are then repeated a predetermined number of times to complete the finishing process.
このようにこの実施例にあっては、電極2の孔19から
の電解液の噴流供給と、ノズル16による電解液の噴流
供給とを、加工1サイクル(−回の加工パルスの供給に
よる一連の加工動作をいう)毎に交互に行い、噴流の供
給方向及び流速を変化させ得るため、ワーク4の形状に
応じて、ノズル16を適宜位置に配置すれば、噴流によ
って排除されない死角部分をなくすことができるととも
に、ワーク4の凸部の空気溜まりをも排除し得て、空気
溜まりによる加工不可をなくすことができる。したがっ
て、例えばワーク4が凹窩状に形成された複雑な三次元
形状でその加工面積が大きい場合であっても、間隙に生
成される加工屑及び空気溜まり等を間隙外に確実に排除
でき、光沢面等の高精度な表面品質が安定して得られる
。As described above, in this embodiment, the jet flow of electrolyte from the hole 19 of the electrode 2 and the jet of electrolyte from the nozzle 16 are performed in one machining cycle (a series of machining pulses supplied - times). The machining operation is performed alternately for each machining operation, and the supply direction and flow velocity of the jet stream can be changed. Therefore, if the nozzle 16 is placed at an appropriate position depending on the shape of the workpiece 4, blind spots that are not removed by the jet stream can be eliminated. At the same time, it is also possible to eliminate air pockets in the convex portions of the workpiece 4, thereby eliminating the impossibility of machining due to air pockets. Therefore, even if, for example, the workpiece 4 has a complex three-dimensional shape formed in the shape of a concave hole and has a large machining area, it is possible to reliably remove machining debris and air pockets generated in the gap from outside the gap. Highly accurate surface quality such as a glossy surface can be stably obtained.
なお、この実施例においては、電極2の孔19からの噴
流供給を所定回数行い、その後ノズル16による噴流供
給を所定回数行ったり、その回数を異ならせる等、ワー
ク4の形状等に応じて噴流の供給回数を適宜に設定し得
る。In addition, in this embodiment, the jet flow is supplied from the hole 19 of the electrode 2 a predetermined number of times, and then the jet flow is supplied from the nozzle 16 a predetermined number of times, or the number of times is varied. The number of times of supply can be set appropriately.
第4図及び第5図は、第1発明の他の実施例を示すタイ
ミングチャートであり、第4図は、加工1サイクル中に
、電極2の孔19からの電解液の噴流供給と、ノズル1
6による噴流供給とを共に行うようにしたものである。4 and 5 are timing charts showing other embodiments of the first invention, and FIG. 4 shows the jet supply of electrolyte from the hole 19 of the electrode 2 and the nozzle during one cycle of machining. 1
The jet flow supply according to No. 6 is also performed.
即ち、加工パルスのオフと同時に、電極2を上昇させる
とともに、電極2の孔19から間隙15に電解液の噴流
を供給し、この噴流の供給停止と略同時に、ノズル16
から噴流を供給する。この実施例においても、上記同様
の作用効果が得られる他、間隙への噴流供給回数が増し
て、加工屑等の排除効果をより高めることができる。That is, at the same time as the machining pulse is turned off, the electrode 2 is raised and a jet of electrolyte is supplied from the hole 19 of the electrode 2 to the gap 15, and approximately at the same time as the supply of this jet is stopped, the nozzle 16 is
A jet stream is supplied from the In this embodiment as well, the same effects as described above can be obtained, and the number of times the jet stream is supplied to the gap is increased, so that the effect of removing machining debris etc. can be further enhanced.
また、第5図は、電極2の上昇動作中に、電極2の孔1
9からの噴流供給とノズル16による噴流供給とを行う
ようにしたものであり、この場合、電極2の上昇時と下
降時に、ノズル16から電解液の噴流を供給し、電極2
が上端位置に停止している間に電極2の孔19から電解
液の噴流を供給する。FIG. 5 also shows that the hole 1 of the electrode 2 is
9 and the nozzle 16. In this case, when the electrode 2 is raised and lowered, the jet of electrolyte is supplied from the nozzle 16,
While the electrode 2 is stopped at the upper end position, a jet of electrolyte is supplied from the hole 19 of the electrode 2.
このように構成しても、上記実施例と同様の作用効果が
得られることは明らかである。It is clear that even with this configuration, the same effects as in the above embodiment can be obtained.
なお、上記各実施例において、電極2の孔19からの電
解液の噴流供給のタイミングと、ノズル16による電解
液の噴流供給のタイミングとを全く逆にしたり、孔19
による噴流供給とノズル16による噴流供給とを部分的
に同時に行ってもよく、また、各実施例のタイミングを
適宜組み合わせてもよい。In each of the above embodiments, the timing of supplying a jet of electrolyte from the hole 19 of the electrode 2 and the timing of supplying a jet of electrolyte from the nozzle 16 may be completely reversed, or the timing of supplying a jet of electrolyte from the hole 19 of the electrode 2 may be completely reversed.
The jet flow supply by the nozzle 16 and the jet flow supply by the nozzle 16 may be performed partially simultaneously, or the timings of each embodiment may be combined as appropriate.
次に、第6〜9図に基づいて、この出願の第2発明につ
いて説明する。Next, the second invention of this application will be explained based on FIGS. 6 to 9.
第6図は、電解液濾過装置14を示し、第2図と同一箇
所には同一符号を付して説明する。この電解液濾過装置
14の特徴は、電極2の孔19から間隙15内の電解液
を吸引排出するようにした点にある。FIG. 6 shows the electrolyte filtration device 14, and the same parts as in FIG. 2 are given the same reference numerals for explanation. The feature of this electrolyte filtering device 14 is that the electrolyte in the gap 15 is sucked and discharged from the hole 19 of the electrode 2.
即ち、電極2の孔19に、電解液の供給によって作動す
るエジェクター30の吸引口を接続するとともに、エジ
ェクター30の入力口を前記電磁弁27の出力側に接続
し、エジェクター30の出力口をダーティタンク22に
接続する。That is, the suction port of the ejector 30, which is activated by the supply of electrolyte, is connected to the hole 19 of the electrode 2, and the input port of the ejector 30 is connected to the output side of the electromagnetic valve 27, and the output port of the ejector 30 is connected to the dirty Connect to tank 22.
このように構成すれば、第7図のタイミングチャートに
示すように、電極2の上昇動作と同期した電磁弁27の
作動により、ノズル16から間隙15に電解液の噴流が
供給されるとともに、この噴流供給と同時に、エジェク
ター30に電解液が供給され、その吸引作用によって、
電極2の孔19から間隙15内の電解液を吸引し、ダー
ティタンク22に排出する。これにより、間隙15内の
噴流の流速を高めることができ、該間隙15内の加工屑
等を効率良く排出し得るとともに、該加工屑等を、間隙
15外ではなく、電極2の孔19からダーティタンク2
2に排出し得るため、加工槽17内の電解液の清浄性を
高めることができる。With this configuration, as shown in the timing chart of FIG. 7, the electrolyte jet is supplied from the nozzle 16 to the gap 15 by the operation of the electromagnetic valve 27 in synchronization with the upward movement of the electrode 2. Simultaneously with the jet supply, the electrolyte is supplied to the ejector 30, and its suction action causes
The electrolyte in the gap 15 is sucked through the hole 19 of the electrode 2 and discharged into the dirty tank 22. As a result, it is possible to increase the flow velocity of the jet flow in the gap 15, and it is possible to efficiently discharge machining debris, etc., in the gap 15, and to direct the machining debris, etc. from the hole 19 of the electrode 2 instead of outside the gap 15. dirty tank 2
2, the cleanliness of the electrolyte in the processing tank 17 can be improved.
第8.9図は第2発明の他の実施例を示し、この実施例
の特徴は、エジェクター30の人力口に専用の電磁弁3
1を接続するともに、この電磁弁31にエアー源32を
接続し、ノズル16による噴流供給と、電極2の孔19
からの吸引とを別動作とした点にある。即ち、第9図の
タイミングチャートに示すように、電極2の上昇と同時
に電磁弁27を作動させてノズル16により間隙15に
電解液の噴流を供給し、この噴流の停止と同時に電磁弁
31を作動させてエジェクター30にエアーを供給し、
該エジェクター30を作動させてその吸引作用により、
電極2の孔19から間隙15の電解液を吸引してダーテ
ィタンク22に排出する。この実施例においても、上記
と同様の作用効果が得られることは明らかであろう。FIG. 8.9 shows another embodiment of the second invention, and this embodiment is characterized by a dedicated solenoid valve 3 for the manual port of the ejector 30.
At the same time, an air source 32 is connected to this solenoid valve 31, and the jet flow is supplied by the nozzle 16 and the hole 19 of the electrode 2 is connected.
The point is that the suction from the air is a separate operation. That is, as shown in the timing chart of FIG. 9, the solenoid valve 27 is operated simultaneously with the rise of the electrode 2 to supply a jet of electrolyte to the gap 15 through the nozzle 16, and the solenoid valve 31 is activated simultaneously with the stop of this jet. Operate to supply air to the ejector 30,
By operating the ejector 30 and its suction action,
The electrolyte in the gap 15 is sucked through the hole 19 of the electrode 2 and discharged into the dirty tank 22. It is clear that the same effects as described above can be obtained in this embodiment as well.
なお、この実施例においては、ノズル16による噴流供
給中に、該噴流供給開始より所定時間遅れてエジェクタ
ー30を作動させて吸引を開始したり、ノズル16によ
る噴流供給の停止から所定時間後にエジェクター30の
作動を停止して電極2の孔19からの吸引動作を停止し
てもよい。また、電極2の孔19からの電解液の吸引も
エジェクター30に限らず、適宜の吸引装置を使用し得
る。In this embodiment, while the jet flow is being supplied by the nozzle 16, the ejector 30 is operated to start suction after a predetermined time delay from the start of the jet flow supply, or the ejector 30 is activated after a predetermined time after the jet flow supply by the nozzle 16 has stopped. The suction operation from the hole 19 of the electrode 2 may be stopped by stopping the operation. Furthermore, suction of the electrolyte from the hole 19 of the electrode 2 is not limited to the ejector 30, and any suitable suction device may be used.
なお、上記第1及び第2発明の各実施例においては、電
極2に電解液の噴流供給あるいは吸引用の孔19を設け
たが、この出願の各発明はこれに何ら限定されず、第1
及び第6図に点線で示すように、ワークに孔33を設け
てもよいし、電極とワークの両方に孔を設けた構成でも
よい。また、上記各実施例にあっては、電極を上昇させ
て間隙を拡大したが、ワークの下降もしくは電極とワー
クの相対的な移動により間隙を拡大することもできる。In each of the embodiments of the first and second inventions, the electrode 2 is provided with a hole 19 for supplying or suctioning a jet of electrolyte, but the inventions of this application are not limited to this in any way;
As shown by dotted lines in FIG. 6, holes 33 may be provided in the workpiece, or holes may be provided in both the electrode and the workpiece. Further, in each of the above embodiments, the gap is enlarged by raising the electrode, but the gap can also be enlarged by lowering the workpiece or moving the electrode and the workpiece relative to each other.
[発明の効果]
この出願の各発明は、上述のとおりに構成したので、次
に記載する効果を奏する。[Effects of the Invention] Each of the inventions of this application is configured as described above, and therefore produces the following effects.
(第1発明)
■ 加工中に間隙に供給される噴流の方向、流速等を変
化させることができ、間隙内の加工屑、空気溜まり等を
確実に排除し、ワークの加工面全域に亘り加工条件を均
一にし得て、光沢面等の高精度な表面品質を安定して得
ることができる。(First invention) ■ It is possible to change the direction, flow velocity, etc. of the jet flow supplied to the gap during machining, reliably eliminate machining debris, air pockets, etc. in the gap, and process the entire machining surface of the workpiece. Conditions can be made uniform, and highly accurate surface quality such as a glossy surface can be stably obtained.
■ ワークが複雑な三次元形状で、その加工面積が大き
い場合であっても、高精度な仕上げ面を容易に得ること
ができる。■ Even if the workpiece has a complex three-dimensional shape and the machining area is large, a highly accurate finished surface can be easily obtained.
(第2発明)
■ ノズルによる噴流供給と電極等の孔からの吸引動作
により、間隙の加工屑等を間隙の外部に確実に排除し、
光沢面等の高精度な表面品質を安定して得ることができ
、る。(Second invention) ■ Processing debris in the gap is reliably expelled to the outside of the gap by jet flow supply from the nozzle and suction operation from the hole of the electrode, etc.
It is possible to stably obtain high-precision surface quality such as a glossy surface.
■ 間隙の加工屑等を電極等の孔から加工槽外に排出す
るため、加工槽内の電解液の清浄性を高めることができ
る。■ Since machining debris in the gap is discharged outside the machining tank through holes such as electrodes, the cleanliness of the electrolyte in the machining tank can be improved.
第1図はこの出願の各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図は第1発明の電解液濾過装置
を示す概略構成図、第3図は同発明の一実施例を示すタ
イミングチャート、第鵡及び第5図は同発明の他の実施
例を示すタイミングチャート、第6図は第2発明の電解
液濾過装置を示す概略構成図、第7図は同発明の一実施
例を示すタイミングチャート、第8図は同発明の他の実
施例を示す電解液濾過装置の概略構成図、第9図は同タ
イミングチャートである。Fig. 1 is a block diagram of an electrolytic finishing device capable of implementing each invention of this application, Fig. 2 is a schematic configuration diagram showing an electrolyte filtration device of the first invention, and Fig. 3 is an embodiment of the same invention. Fig. 6 is a timing chart showing another embodiment of the invention, Fig. 6 is a schematic configuration diagram showing an electrolyte filtration device of the second invention, and Fig. 7 is an embodiment of the same invention. FIG. 8 is a schematic configuration diagram of an electrolyte filtration device showing another embodiment of the invention, and FIG. 9 is a timing chart of the same.
Claims (2)
面を有する電極とを、静止した電解液中で所定の間隙で
対設させ、その極間に加工パルスを供給してワークを電
解仕上げ加工するものにおいて、 ロ、加工パルスを供給した後に前記間隙を拡大するステ
ップと、 ハ、前記間隙の拡大動作と関連して、前記電極もしくは
ワークの少なくとも一方に設けた孔から、該間隙に清浄
な電解液の噴流を供給するステップと、 ニ、前記孔からの電解液の噴流供給動作と関連して、前
記間隙に指向する如く配設したノズルから、該間隙に清
浄な電解液の噴流を供給するステップと、 を具備する電解仕上げ加工方法。(1) A. A workpiece and an electrode having an electrode surface that follows the machining surface of the workpiece are placed opposite each other with a predetermined gap in a stationary electrolyte, and a machining pulse is supplied between the electrodes to machine the workpiece. In an electrolytic finishing machine, (b) expanding the gap after supplying a machining pulse, and (c) in conjunction with the gap widening operation, the gap is expanded from a hole provided in at least one of the electrode or the workpiece. (d) In connection with the operation of supplying a jet of electrolyte from the hole, a jet of clean electrolyte is supplied to the gap from a nozzle arranged so as to be directed toward the gap. An electrolytic finishing method comprising: supplying a jet flow;
面を有する電極とを、静止した電解液中で所定の間隙で
対設させ、その極間に加工パルスを供給してワークを電
解仕上げ加工するものにおいて、 ロ、加工パルスを供給した後に前記間隙を拡大するステ
ップと、 ハ、前記間隙の拡大動作と関連して、間隙に指向する如
く配設したノズルから、該間隙に清浄な電解液の噴流を
供給するステップと、 ニ、前記ノズルからの電解液の噴流供給動作と関連して
、前記電極もしくはワークの少なくとも一方に設けた孔
から間隙の電解液を吸引するステップと、 を具備する電解仕上げ加工方法。(2) A. A workpiece and an electrode having an electrode surface that follows the machining surface of the workpiece are placed opposite each other with a predetermined gap in a stationary electrolyte, and a machining pulse is supplied between the electrodes to machine the workpiece. In an electrolytic finishing machine, (b) expanding the gap after supplying a processing pulse, and (c) in conjunction with the gap widening operation, applying clean water to the gap from a nozzle arranged so as to be directed toward the gap. d. In conjunction with the operation of supplying the electrolyte jet from the nozzle, sucking the electrolyte in the gap from a hole provided in at least one of the electrode or the workpiece; An electrolytic finishing method comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16616189A JPH0332519A (en) | 1989-06-28 | 1989-06-28 | Electrolytic finishing process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16616189A JPH0332519A (en) | 1989-06-28 | 1989-06-28 | Electrolytic finishing process |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0332519A true JPH0332519A (en) | 1991-02-13 |
Family
ID=15826203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16616189A Pending JPH0332519A (en) | 1989-06-28 | 1989-06-28 | Electrolytic finishing process |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0332519A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004002910A (en) * | 2002-05-30 | 2004-01-08 | Ebara Corp | Electrolytic working method and apparatus |
JP2004060027A (en) * | 2002-07-31 | 2004-02-26 | Ebara Corp | Electro-chemical machining method and apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5211940A (en) * | 1975-07-18 | 1977-01-29 | Agency Of Ind Science & Technol | Hologram regeneration apparatus |
JPS56119333A (en) * | 1980-02-20 | 1981-09-18 | Mitsubishi Electric Corp | Electric discharge machining apparatus |
JPS62255013A (en) * | 1986-04-28 | 1987-11-06 | Toyota Motor Corp | Electro-chemical machining device |
-
1989
- 1989-06-28 JP JP16616189A patent/JPH0332519A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5211940A (en) * | 1975-07-18 | 1977-01-29 | Agency Of Ind Science & Technol | Hologram regeneration apparatus |
JPS56119333A (en) * | 1980-02-20 | 1981-09-18 | Mitsubishi Electric Corp | Electric discharge machining apparatus |
JPS62255013A (en) * | 1986-04-28 | 1987-11-06 | Toyota Motor Corp | Electro-chemical machining device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004002910A (en) * | 2002-05-30 | 2004-01-08 | Ebara Corp | Electrolytic working method and apparatus |
JP2004060027A (en) * | 2002-07-31 | 2004-02-26 | Ebara Corp | Electro-chemical machining method and apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0332519A (en) | Electrolytic finishing process | |
KR910000511B1 (en) | Electrolytic finishing system | |
KR910008243B1 (en) | Electro-chemical machine | |
JPH01205918A (en) | Finishing work through electrolytic working | |
CN206295648U (en) | Plate and frame filter press for lifting Aqueous Solutions of Polyethylene Glycol filter quality | |
JPH02106222A (en) | Method of electrolytic finishing work | |
JPH02139124A (en) | Electolytic finishing method | |
JP2002273626A (en) | Manufacturing method of die for forming honeycomb structure | |
JPH01205919A (en) | Finishing work through electrolytic working | |
JPH01115516A (en) | Electrochemical machine | |
JPH0373221A (en) | Electrolytic finishing | |
JPH01240218A (en) | Method for finishing by electro-chemical machining | |
JPS63318213A (en) | Three dimensional electrolytic finishing device | |
JPH02106223A (en) | Method of electrolytic finishing work | |
JPH02109636A (en) | Electrolytic finishing method | |
CN216729735U (en) | Numerical control milling machine for hardware processing | |
CN116511982B (en) | Metal chip belt cleaning device is used in valve processing | |
JPH03234413A (en) | Electrolytic finishing device | |
CN210060026U (en) | Improved structure of spark machine | |
JPH01252317A (en) | Electrolytic finish-machining method | |
JPH01188230A (en) | Finishing method based on electrochemical machining and its device | |
JPH09141528A (en) | Electro-chemical machining device | |
JPH02109637A (en) | Electrolytic finishing method | |
JPH01135418A (en) | Finishing method by electrochemical machining | |
JPS62218020A (en) | Electric discharge machining method |