JPH02106222A - Method of electrolytic finishing work - Google Patents
Method of electrolytic finishing workInfo
- Publication number
- JPH02106222A JPH02106222A JP25814888A JP25814888A JPH02106222A JP H02106222 A JPH02106222 A JP H02106222A JP 25814888 A JP25814888 A JP 25814888A JP 25814888 A JP25814888 A JP 25814888A JP H02106222 A JPH02106222 A JP H02106222A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electrolyte
- gap
- supplied
- jet
- 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
- 238000000034 method Methods 0.000 title description 7
- 239000003792 electrolyte Substances 0.000 claims abstract description 39
- 230000003068 static effect Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 20
- 239000008151 electrolyte solution Substances 0.000 description 15
- 239000003990 capacitor Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009760 electrical discharge machining Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging 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
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000002747 voluntary effect Effects 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、電解仕上げ加工方法に係り、特に三次元形
状のワークの加工面を短時間かつ高精度に仕上げる電解
仕上げ加工方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an electrolytic finishing method, and more particularly to an electrolytic finishing method for finishing the machined surface of a three-dimensional workpiece in a short time and with high precision.
［従来の技術］
従来の金属加工方法として知られている電解加工方法は
、例えば特開昭６２−２５５０１３号公報に開示されて
いる。この電解加工方法は、電極とワークとを所定間隙
で対設させ、電極とワーク問への直流電流の供給と、間
隙への電解液の噴出とを交互に繰り返してワークを加工
するものである。[Prior Art] An electrolytic processing method known as a conventional metal processing method is disclosed in, for example, Japanese Patent Laid-Open No. 62-255013. In this electrolytic processing method, an electrode and a workpiece are placed opposite each other with a predetermined gap, and the workpiece is processed by alternately supplying direct current between the electrode and the workpiece and spouting an electrolytic solution into the gap. .
［発明が解決しようとする課題］
しかしながら、この電解加工方法にあっては、直流電流
の供給後、電極を上昇させ、この電極の上昇時に電解液
の噴流を供給して、間隙に生成した電解生成物を排除し
ているため、次のような不都合がある。即ち、例えば電
極又はワークに電解液噴出用の孔を設けて型彫放電加工
する際、一般的にワークの加工面積は大きくなるが、こ
のような場合、電極上昇時の電解液の噴流だけでは、ワ
ーク表面に付着した加工屑及び間隙の電解生成物等を確
実に排除しきれず、間隙の電解液を清浄な電解液に入れ
替えることが困難となる。したがって、汚染された電解
液が間隙に部分的に残存することになり、ワークの加工
面の各部において加工条件に差異が生じて、光沢面等の
高精度な表面品質が得られないという不都合がある。[Problems to be Solved by the Invention] However, in this electrolytic processing method, after supplying a direct current, the electrode is raised, and when the electrode is raised, a jet of electrolyte is supplied to remove the electrolyte generated in the gap. Since the product is excluded, there are the following disadvantages. In other words, for example, when performing die-sinking electrical discharge machining by providing a hole for spouting electrolyte in an electrode or workpiece, the machining area of the workpiece generally becomes large, but in such a case, the jet of electrolyte when the electrode rises alone is insufficient. , machining debris adhering to the surface of the workpiece and electrolytic products in the gap cannot be completely removed, making it difficult to replace the electrolyte in the gap with a clean electrolyte. Therefore, the contaminated electrolyte partially remains in the gap, which causes differences in the processing conditions at each part of the workpiece surface, resulting in the inconvenience that high-precision surface quality such as a glossy surface cannot be obtained. be.
そこで、この発明の目的は、三次元形状のワーりの加工
面の面粗度を向上させ得て、光沢面等の高精度な表面品
質を短時間に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 perform an electrolytic finishing process that can improve the surface roughness of the machined surface of a three-dimensionally shaped warp, and that can stably obtain high-precision surface quality such as a glossy surface in a short time. There is a way to realize it.
［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、静止した電解
液を介して所定の間隙で対設した電極とワークとの極間
にパルスを供給するステップと、パルスを供給した後に
前記間隙に電解液の噴流を供給するステップと、この噴
流が供給されている間に電極を複数回上下動させるステ
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 provides a step of supplying a pulse between an electrode and a workpiece that are disposed opposite to each other at a predetermined gap via a stationary electrolyte; The method is characterized by comprising the steps of supplying a jet of electrolyte to the gap after supplying the pulse, and moving the electrode up and down a plurality of times while the jet is being supplied.
［作 用］
この発明の構成によれば、パルス供給後に、間隙に電解
液の噴流を供給するとともに、この電解液の噴流が供給
されている間に、電極を複数回上下動させるため、電極
の上下動による電解液の動きと間隙に供給される電解液
とによって、ワーク表面に付着した加工屑及び間隙の電
解生成物等を確実に排除し得て、間隙の電解液を清浄な
電解液に入れ替えることができる。[Function] According to the configuration of the present invention, after pulse supply, a jet of electrolyte is supplied to the gap, and while the jet of electrolyte is being supplied, the electrode is moved up and down multiple times. Due to the movement of the electrolytic solution due to the vertical movement of the electrolytic solution and the electrolytic solution supplied to the gap, machining debris adhering to the workpiece surface and electrolytic products in the gap can be reliably removed, and the electrolytic solution in the gap can be replaced with a clean electrolytic solution. can be replaced with .
［実施例］
以下、図面を参照してこの発明の実施例を詳細かつ具体
的に説明する。[Embodiments] Hereinafter, embodiments of the present invention will be described in detail and specifically with reference to the drawings.
第１〜３図は、この発明の一実施例を示すものである。1 to 3 show an embodiment of this invention.
第１図において、この発明を実施し得る電解仕上げ加工
装置ｌ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、サーボモータ６の回転運
動を往復運動に変換する駆動変換部７、パルス電流を発
生する電源装置８、モータ駆動制御部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に関する各種データ等を人力する入力装ｆｍ１
３、電解液を濾過する電解液濾過装置１４、加工槽１５
等からなる。In FIG. 1, an electrolytic finishing apparatus l capable of implementing the present invention includes an electrode fixing device 3 for fixing an electrode 2, a workpiece 4, and an electrode fixing device 3 for fixing an electrode 2.
A workpiece fixing device 5 that fixes the servo motor 6, a drive conversion section 7 that converts the rotational motion of the servo motor 6 into reciprocating motion, a power supply device 8 that generates a pulse current, a motor drive control section 9, a machining condition control section 10, and an electrolyte flow control section. A control device 12 consisting of a section 11 and the like;
Input device fm1 for manually inputting various data related to work 4
3. Electrolyte filtration device 14 for filtering electrolyte, processing tank 15
Consists of etc.
前記電極固定装置３は、その下部に設けたロッド！６の
下端に、例えば純銀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１７を保つように固定する。この電
極固定装置３は、前記モータ駆動制御部９０制御信号に
よるサーボモータ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１７に設定する。The electrode fixing device 3 is a rod provided at the bottom! An electrode 2 made of, for example, pure silver or graphite is fixed to the lower end of the workpiece 6 such that a --like gap 17 is maintained between the electrode surface 2a and the processed surface 4a of the workpiece 4 in the three-dimensional direction. This electrode fixing device 3 is moved up and down by the rotation of the servo motor 6 according to the control signal of the motor drive control section 90, and the electrode surface 2a
and the processed surface 4a are set at a predetermined gap 17.
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、
ネジ等により固定する。The workpiece fixing device 5 is a table made of highly insulating granite or ceramics, and on its upper surface, for example, a setting jig (not shown) is used to hold the workpiece 4 subjected to die-carving electric discharge machining.
Secure with screws, etc.
前記電極２とワーク４との極間に、所定のパルス電流を
供給する電源装置８と、この電源部ａ８を制御する前記
加工条件制御部１０は、例えば第２図に示す如く構成す
る。The power supply device 8 that supplies a predetermined pulse current between the electrode 2 and the workpiece 4, and the processing condition control section 10 that controls the power supply section a8 are configured as shown in FIG. 2, for example.
即ち、電源装置８は直流電源部１８と充放電部１９とで
構成され、直流電源部１８は、変圧器２ｏ２１−整流器
２１とからなり、変圧器２ｏにより電圧を所定値に降下
させ整流器２１により整流して直流電流を得て、後述す
る蓄電器２２−１〜２２−ｎに供給する。That is, the power supply device 8 is composed of a DC power supply section 18 and a charge/discharge section 19, and the DC power supply section 18 is composed of a transformer 2o21 and a rectifier 21. The DC current is rectified and supplied to power storage units 22-1 to 22-n, which will be described later.
、また、充放電部１９は、極間に電荷を放電する複数個
の蓄電器２２−１〜２２−ｎと、これらの各蓄電器２２
−１〜２２−口に接続し直流電源部１８側への電荷の逆
流を阻止するダイオード２３−１〜２３−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２４−
１〜２４−ｎと、前記各蓄電器２２−１〜２２−ｎを所
定に充電すべく前記直流電源部１８からの電源な給断す
る充電スイッチ２５とからなる。In addition, the charging/discharging unit 19 includes a plurality of capacitors 22-1 to 22-n that discharge charges between electrodes, and each of these capacitors 22-n.
Diodes 23-1 to 23-n connected to ports -1 to 22- to prevent backflow of charges to the DC power supply section 18 side, and a discharge switch 24- which is opened and closed to discharge charges to the discharge side.
1 to 24-n, and a charging switch 25 for supplying and disconnecting power from the DC power supply unit 18 to charge each of the capacitors 22-1 to 22-n to a predetermined value.
前記加工条件制御部１０は、ｆ電器２２−１〜２２−ｎ
の充？Ｔｔｉ＄を正値を検出する電圧検出器２６と、こ
の電圧検出器２６で検出した充電電圧値とＤ／Ａ変換器
２７からの出力値とを比較する電圧比較器２日と、この
電圧比較器２８からの出力信号により前記蓄電器２２−
１〜２２−ｎの充電の完了及び開始を検出する充電検出
器２９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３０と、この電流検出器３０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３１と、
このピークホールド回路３１でホールドしたピーク電流
値とＤ／Ａ変換器３２の出力値とを比較する電流比較器
３３と、所定時間幅のパルスを発生するパルス発生器３
６と極間に放電する電荷の電流波形を設定する電流波形
設定器３７からの入力信号により前記各放電スイッチ２
４−１〜２４−ｎに開閉駆動信号を出力するゲート回路
３４と、前記各蓄電器２２−１〜２２−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２７に出
力する充電電圧設定器３５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３２に出力する電流設
定器３８と、前記入力装置１３０入カデータ等に基づき
加工条件等を演算・処理するＣＰＵ３９と、電極２とワ
ーク４の接触を検知する接触検知器４０等からなる。The processing condition control unit 10 controls f electric appliances 22-1 to 22-n.
Full of? A voltage detector 26 that detects a positive value of Tti$, a voltage comparator 2 that compares the charging voltage value detected by this voltage detector 26 and an output value from the D/A converter 27, and this voltage comparison The output signal from the capacitor 28 causes the capacitor 22-
A charging detector 29 detects the completion and start of charging 1 to 22-n, a current detector 30 detects the current value of the charge discharged between the electrodes, and a current detector 30 detects the current value detected by the current detector 30. a peak hold circuit 31 that holds the peak value;
A current comparator 33 that compares the peak current value held by the peak hold circuit 31 with the output value of the D/A converter 32, and a pulse generator 3 that generates a pulse with a predetermined time width.
Each of the discharge switches 2
A gate circuit 34 outputs an opening/closing drive signal to 4-1 to 24-n, and a charging voltage value to be supplied to each of the capacitors 22-1 to 22-n is set, and the signal is output to the D/A converter 27. a charging voltage setter 35 that sets the value of the current flowing between the electrodes and outputs the signal to the D/A converter 32; - Consists of a CPU 39 for processing, a contact detector 40 for detecting contact between the electrode 2 and the workpiece 4, and the like.
なお、図中符号４１は逆起電力によって各放電スイッチ
２４−１〜２４−ｎが破壊するのを防止するダイオード
である。Note that the reference numeral 41 in the figure is a diode that prevents each of the discharge switches 24-1 to 24-n from being destroyed by back electromotive force.
前記人力装置１３は、加工面積Ｓ、仕上げ加工しろ等の
ワーク４に関する各種データ、及び加工条件等を入力す
る。また、前記電解液濾過装置１４は、例えば図示しな
い遠心分能器、液温調整器、フィルタ、電磁弁等を有し
、加工で生じた電解生成物を含む電解液を濾過するとと
もに、濾過した清浄な電解液を、電解液流制御部１１の
制御信号により、前記間隙１７に指向する如く配設した
噴出ノズル４２（第１図参照）から間隙１７に噴出する
。The human power device 13 inputs various data regarding the workpiece 4 such as the machining area S, finishing machining margin, machining conditions, and the like. Further, the electrolyte filtration device 14 includes, for example, a centrifugal separator, a liquid temperature regulator, a filter, a solenoid valve, etc. (not shown), and filters the electrolyte containing electrolytic products generated during processing. A clean electrolyte is jetted into the gap 17 from a jet nozzle 42 (see FIG. 1) disposed so as to be directed toward the gap 17 in response to a control signal from the electrolyte flow control section 11 .
次に、この電解仕上げ加工装置１による仕上げ加工動作
の一例について第３図のフローチャートに基づき説明す
る。Next, an example of the finishing operation by the electrolytic finishing apparatus 1 will be explained based on the flowchart of FIG. 3.
仕上げ加工に際しては、電極固定装置３０ロツド１６の
下端に、例えばワーク４を型彫放電加工する際に使用し
た電極２を固定するとともに、ワーク固定装置５にワー
ク４をそれぞれ固定し、電解仕上げ加工装置ｌの電源を
投入（５０） Ｌ／、電極２とワーク４の芯出しく５１
）を行う。During finishing, the electrode 2 used, for example, when performing die-sinking electrical discharge machining on the workpiece 4 is fixed to the lower end of the electrode fixing device 30 rod 16, and the workpiece 4 is fixed to the workpiece fixing device 5, and the electrolytic finishing process is performed. Turn on the power of the device L (50) L/, center the electrode 2 and workpiece 4 51
)I do.
芯出し作業の終了後に加工が開始され、電極２が下降し
てワーク４に接触し、この接触を前記接触検知器４０が
検知すると、ＣＰＵ３９は、この位置を記憶する。そし
て、電極２を上昇させて、入力装置１３で入力した加工
間隙δを維持する位置（以下初期位置という）に電極を
設定（５３） Ｌ／、電解液供給装置１４を作動させて
加工槽１５内に電解液を供給（５４）する。Machining is started after the centering work is completed, the electrode 2 descends and contacts the workpiece 4, and when the contact detector 40 detects this contact, the CPU 39 stores this position. Then, the electrode 2 is raised and set at a position (hereinafter referred to as initial position) that maintains the machining gap δ inputted with the input device 13 (53) L/, the electrolyte supply device 14 is activated and the machining tank 15 is set. An electrolytic solution is supplied (54) into the chamber.
加工槽１５内に電解液が供給され、間隙１７に電解液が
満ち電解液が静止（電解液の流れ・動きが略停止した状
態をいう）したら、ワーク４の加工面積Ｓに応じた所定
の面粗度向上用の単一のパルス電流を供給（５５） シ
、このパルス電流がオフしたら、前記噴出ノズル４２か
ら電解液を噴出して間隙１７に電解液の噴流を供給（５
６）する。この電解液の噴流開始と略同時に電極２を上
昇（５７）させ、所定時間経過後に電極２を下降（５８
）させて、電極２の上下動が所定回数か否かを判断（５
９）する。When the electrolytic solution is supplied into the machining tank 15 and the gap 17 is filled with the electrolytic solution and the electrolytic solution is stationary (meaning the state where the flow and movement of the electrolytic solution has almost stopped), a predetermined process according to the machining area S of the workpiece 4 is performed. A single pulse current for improving surface roughness is supplied (55). When this pulse current is turned off, the electrolytic solution is ejected from the jet nozzle 42 to supply a jet of electrolytic solution to the gap 17 (55).
6) Do. The electrode 2 is raised (57) almost simultaneously with the start of the electrolyte jet, and after a predetermined time has elapsed, the electrode 2 is lowered (58).
) to determine whether the electrode 2 has moved up and down a predetermined number of times (5
9) Do.
ここでステップ（５５）〜（５８）における電極２の上
下動とパルス電流の供給及び噴流の供給のタイミングは
、第４図に示すように、所定のパルス幅Ｔ１を有するパ
ルス電流が供給され、このパルス電流がオフすると、所
定の時間Ｔ２連続して噴流が供給され、この時間Ｔ２の
間に、電極２が複数回（図では２回）上下動することに
なる。なお、図中時間Ｔ３は電極２が上昇を開始してか
ら下端位置（初期位置）に停止するまでの時間、Ｔ４は
下端位置に保持される時間である。Here, the timing of the vertical movement of the electrode 2 and the supply of pulsed current and jet in steps (55) to (58) is such that a pulsed current having a predetermined pulse width T1 is supplied, as shown in FIG. When this pulse current is turned off, the jet stream is continuously supplied for a predetermined time T2, and the electrode 2 moves up and down a plurality of times (twice in the figure) during this time T2. Note that time T3 in the figure is the time from when the electrode 2 starts rising until it stops at the lower end position (initial position), and T4 is the time during which the electrode 2 is held at the lower end position.
前記ステップ（５９）でＹＥＳ、即ち、噴流供給中に電
極２の上下動が所定回数おこなわれると、電極２を初期
位置に設定（６０） Ｌ／、面粗度向上用のパルス電流
の供給が所定回数か否かを判断（６１）する。この判断
（６１）でＮＯの場合はステップ（５５）へ戻り、ＹＥ
Ｓの場合は、制御装置１２０制御信号により、電源装置
８から供給されるパルス電流を光沢面形成用の単一のパ
ルス電流に切換え（６２） 、前記ステップ（５５）〜
（６ｏ）と同様の加工（６３）〜（６８）を所定回数繰
り返しく６９）、光沢面を得て全ての加工を終了（７ｏ
）する。If YES in the step (59), that is, the electrode 2 is moved up and down a predetermined number of times during jet flow supply, the electrode 2 is set to the initial position (60), and the pulse current for improving surface roughness is supplied. It is determined whether the predetermined number of times has been reached (61). If this judgment (61) is NO, return to step (55) and
In the case of S, the pulse current supplied from the power supply device 8 is switched to a single pulse current for forming a glossy surface by the control signal of the control device 120 (62), and the steps (55) to
Repeat processing (63) to (68) similar to (6o) a predetermined number of times (69) to obtain a glossy surface and complete all processing (7o).
)do.
このように、この発明に係る電解仕上げ加工方法にあっ
ては、極間にパルス電流を供給し、このパルス電流がオ
フした後、間隙に電解液の噴流を供給するとともに、こ
の電解液の噴流が供給されている間に電極２を複数回上
下動させるので、電極２上昇時のワーク４表面の流速に
よりワーク４表面に付着した加工屑等を剥離して除去す
るとともに、この除去した加工屑等を電極２下降時の圧
力による電解液の動き及び噴出ノズル４２から間隙に供
給される電解液とによって間隙外に排出する。As described above, in the electrolytic finishing method according to the present invention, a pulse current is supplied between the electrodes, and after this pulse current is turned off, a jet of electrolyte is supplied to the gap, and the jet of electrolyte is Since the electrode 2 is moved up and down several times while the electrode 2 is being supplied, the flow velocity on the surface of the workpiece 4 when the electrode 2 is raised peels off and removes machining debris etc. attached to the surface of the workpiece 4, and the removed machining debris etc. are discharged out of the gap by the movement of the electrolytic solution due to the pressure when the electrode 2 is lowered and by the electrolytic solution supplied to the gap from the jet nozzle 42.
そして、この排出動作を複数回繰り返えすため、特に加
工屑が除去されにくいワーク４の最深凹部等の加工屑が
徐々に間隙外に排出され、間隙の電解液を清浄な電解液
に入れ替えることができる。Since this discharge operation is repeated multiple times, the machining debris from the deepest recesses of the workpiece 4, where machining debris is particularly difficult to remove, is gradually discharged out of the gap, and the electrolyte in the gap is replaced with a clean electrolyte. Can be done.
なお、上記実施例においては、噴流供給中に電極２を２
回上下動させたが、この発明に係る複数回とは、上下動
のストロートを比較的大きくした数回程度の上下動から
、ストロークを小さくし回数のサイクルを比較的大きく
した、所謂撮動状態に近い上下動のものまで含むことは
いうまでもない。また、噴流供給中の電極の上下動を異
なる条件で行うこともできる。さらに、上記実施例にお
いては、噴流の供給と電極２の上昇開始及び噴流の停止
と電極２の初期位置停止とを同時に行っているが、噴流
の供給を電極２の上昇開始より早くしたり、噴流の供給
停止を電極２の初期位置停止より遅くするなど、適宜に
変更し得る。In addition, in the above embodiment, the electrode 2 is
The term "multiple times" according to the present invention refers to a so-called photographing state in which the stroke of vertical motion is made relatively large and the number of cycles is relatively large. It goes without saying that this includes vertical movements close to . Furthermore, the electrode can be moved up and down during jet flow supply under different conditions. Furthermore, in the above embodiment, the jet flow is supplied, the electrode 2 starts rising, the jet flow is stopped, and the electrode 2 is stopped at the initial position at the same time, but the jet flow may be supplied earlier than the electrode 2 starts rising. It may be changed as appropriate, such as by stopping the supply of the jet flow later than when the electrode 2 stops at its initial position.
［発明の効果］
以上詳細に説明したように、この発明の構成によれば、
パルス供給後の電解液の噴流供給中に電極を複数回上下
動させ、電極上昇時の加工面の流速及び電極下降時の圧
力による電解液の動き等により、間隙の加工屑等を間隙
外部に確実に排除することができ、間隙の電解）αを清
浄な電解液に入れ替えることができるため、ワークの加
工面積全域に亘り加工条件を均一にし得て、光沢面等の
高精度な表面品質が短時間に得られ、省力化が遅れてい
る金型加工分野での品質向上と機械化を達成することが
できる等の効果を奏する。[Effects of the Invention] As explained in detail above, according to the configuration of the present invention,
The electrode is moved up and down multiple times during the jet flow of electrolyte after pulse supply, and the flow velocity on the machined surface when the electrode rises and the movement of the electrolyte due to the pressure when the electrode descends will move the machining debris in the gap to the outside of the gap. Since it is possible to reliably eliminate the electrolysis in the gap and replace it with a clean electrolyte, the machining conditions can be made uniform over the entire machining area of the workpiece, and high-precision surface quality such as a glossy surface can be achieved. It can be obtained in a short time and has the effect of improving quality and achieving mechanization in the field of mold processing, where labor saving has been slow.
第１図はこの発明の電解仕上げ加工装置のブロック図、
第２図は要部のブロック図、第３図は仕上げ加工動作の
一例を示すフローチャート、第４図はタイミングチャー
トの一例である。
ｌ・・・電解仕上げ加工装置、２・・・電極、４・・・
ワーク、 ８・・・電源装置、９・・・モータ駆動制
御部、ｌＯ・・・加工条件制御部１１・・・電解源流制
御部、 １２・・・制御装置、１３・・・入力装置、
１４・・・電解液濾過装置、１７・・・間隙、
３９令番・ＣＰＵ。
特許出願人 静岡製機株式会社
代表者鈴木重夫
第３図
第１区
第４図
ｒプ
手続補正書
（自発）FIG. 1 is a block diagram of the electrolytic finishing apparatus of this invention.
FIG. 2 is a block diagram of the main parts, FIG. 3 is a flowchart showing an example of finishing operation, and FIG. 4 is an example of a timing chart. l... Electrolytic finishing processing device, 2... Electrode, 4...
Workpiece, 8... Power supply device, 9... Motor drive control unit, IO... Processing condition control unit 11... Electrolysis source control unit, 12... Control device, 13... Input device,
14... Electrolyte filtration device, 17... Gap,
39th order number/CPU. Patent applicant: Shizuoka Seiki Co., Ltd. Representative: Shigeo Suzuki Figure 3, Section 1, Figure 4 R-Procedure Amendment (voluntary)
Claims (1)
ークとの極間にパルスを供給するステップと、パルスを
供給した後に前記間隙に電解液の噴流を供給するステッ
プと、この噴流が供給されている間に電極を複数回上下
動させるステップとを具備する電解仕上げ加工方法。a step of supplying a pulse between an electrode and a workpiece that are disposed opposite to each other at a predetermined gap via a stationary electrolyte; a step of supplying a jet of electrolyte to the gap after supplying the pulse; and moving the electrode up and down a plurality of times while being supplied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25814888A JPH02106222A (en) | 1988-10-13 | 1988-10-13 | Method of electrolytic finishing work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25814888A JPH02106222A (en) | 1988-10-13 | 1988-10-13 | Method of electrolytic finishing work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02106222A true JPH02106222A (en) | 1990-04-18 |
Family
ID=17316191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25814888A Pending JPH02106222A (en) | 1988-10-13 | 1988-10-13 | Method of electrolytic finishing work |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02106222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007076806A1 (en) * | 2005-12-23 | 2007-07-12 | Mtu Aero Engines Gmbh | Method and apparatus for the electrochemical machining of a workpiece |
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 |
| JPS62255013A (en) * | 1986-04-28 | 1987-11-06 | Toyota Motor Corp | Electro-chemical machining device |
| JPS63196321A (en) * | 1987-02-09 | 1988-08-15 | Shizuoka Seiki Co Ltd | Finishing method by electro-chemical machining and device therefore |
-
1988
- 1988-10-13 JP JP25814888A patent/JPH02106222A/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 |
| JPS62255013A (en) * | 1986-04-28 | 1987-11-06 | Toyota Motor Corp | Electro-chemical machining device |
| JPS63196321A (en) * | 1987-02-09 | 1988-08-15 | Shizuoka Seiki Co Ltd | Finishing method by electro-chemical machining and device therefore |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007076806A1 (en) * | 2005-12-23 | 2007-07-12 | Mtu Aero Engines Gmbh | Method and apparatus for the electrochemical machining of a workpiece |
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