JPS62282819A - Electrode for electric discharge machining - Google Patents
Electrode for electric discharge machiningInfo
- Publication number
- JPS62282819A JPS62282819A JP12306986A JP12306986A JPS62282819A JP S62282819 A JPS62282819 A JP S62282819A JP 12306986 A JP12306986 A JP 12306986A JP 12306986 A JP12306986 A JP 12306986A JP S62282819 A JPS62282819 A JP S62282819A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- discharge machining
- metal
- electric discharge
- heat
- 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
- 238000003754 machining Methods 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 239000007772 electrode material Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 3
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 4
- 238000009760 electrical discharge machining Methods 0.000 claims description 3
- 229910017518 Cu Zn Inorganic materials 0.000 claims description 2
- 229910017752 Cu-Zn Inorganic materials 0.000 claims description 2
- 229910017943 Cu—Zn Inorganic materials 0.000 claims description 2
- 238000009834 vaporization Methods 0.000 claims 2
- 230000008016 vaporization Effects 0.000 claims 2
- 230000008020 evaporation Effects 0.000 abstract description 10
- 238000001704 evaporation Methods 0.000 abstract description 10
- 239000000843 powder Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
【発明の詳細な説明】
発明の詳細な説明
朦１−！」Ｌ艮九Ｖ
本発明は易蒸発金属を電極材間の隙間に介設含有して成
る放電力ロエ用電極に関する。[Detailed Description of the Invention] Detailed Description of the Invention 1-! The present invention relates to an electrode for discharging power Roe comprising an easily vaporizable metal interposed in a gap between electrode materials.
筬本Ω」ｙ
先に本出願人は、＊公器５５−２７８１０号として易蒸
発金属粉末Ｙ７１１］工液中に添加混合して放電の熱に
エリ蒸気化し、金属蒸気として加工液に分散介在するこ
とにエリ刀ロエ液の導電度乞むらなく高くして、きわめ
て安定な刀ロエが行われる放電加工方法について提案し
比。The applicant previously proposed * Easily evaporable metal powder Y711 as Public Equipment No. 55-27810] to be added and mixed into the working fluid, vaporized by the heat of electric discharge, and dispersed in the working fluid as metal vapor. In particular, we proposed an electric discharge machining method that allows extremely stable cutting by increasing the conductivity of the cutting liquid.
ｕｊ決しニー？−（Σを竺！塵
しかして本出願人は更に研究を重ねケミ極材χ・粉末粒
子にして焼結したりして多孔質体を作って電極の核体と
してその中の電極材間の隙間に易蒸発金属つまり原子量
の小さい金属ケいれてみ之。uj never knee? −(S)! Dust However, the present applicant conducted further research and made a porous body by sintering the chemical electrode material χ into powder particles and used it as the core of the electrode between the electrode materials. An easily evaporated metal, that is, a metal with a small atomic weight, is inserted into the gap.
従って放ｔ７ＩＯ工時に発生する放電熱に：Ｖ電極が発
熱して易蒸発金属がとけて電極材料の表面ＶＣ滲み出て
その易蒸発金属が蒸発に際して吸収する蒸発熱で電極材
料を冷却することがわかつ之。Therefore, due to the discharge heat generated during the t7IO process: the V electrode generates heat, the easily evaporable metal melts, VC oozes out from the surface of the electrode material, and the evaporation heat absorbed by the easily evaporable metal during evaporation cools the electrode material. Wakatsuno.
従来は那工液の噴出のみに：り電極材料の冷却ｔはかっ
てい比のである。 そこで本発明は易蒸発金属と那工液
とが蒸発に際して吸収する蒸発熱で電極を冷却する放電
加工用電極を提供することを目的とするものである。In the past, only the liquid was ejected, and the cooling time of the electrode material was relatively small. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an electrode for electric discharge machining that cools the electrode using the heat of evaporation absorbed during evaporation of an easily evaporable metal and a liquid.
かぐて本発明では電極材にグラ７アイ）、Ｃｕ。KAGUTE In the present invention, the electrode material is Gura 7 Eye), Cu.
Ｃｕ＋Ｃ１１２０，Ｃｕ−Ｚｎ等或はＦｅ系の粉末材料
を焼結して多孔質体の電極を形成するときに、原子量の
小さい易蒸発金属の粉末粒子ン混合して電極を形成する
造り方、又は電極材ン多孔質に焼結成形し次電極に易蒸
発金属の別熱溶融して浸漬含浸又は加圧含浸により電極
材の隙間に易蒸発金属？充填等含有させる造り万（を極
材の焼結温度と易蒸発金属の溶融温度とが大きく異なる
場合等）等に工って造り、放ｔｍ工するときの放電熱で
易蒸発金属が溶けて電極の外面に滲み出ろようにし、そ
の滲み出之易蒸発金属が蒸発に際して吸収する蒸発熱と
２７７０工液が蒸発するに際して吸収する蒸発熱の冷却
バランスとによって電極を冷却するようにしたものであ
る。 そしてこの易蒸発金属の含有量は電極の加工面又
は表面部分に於て重量比で０．１〜１０％程度とするこ
とが望ましい。When forming a porous electrode by sintering Cu+C1120, Cu-Zn, etc. or Fe-based powder materials, the electrode is formed by mixing powder particles of an easily vaporized metal with a small atomic weight, or The electrode material is sintered and formed into a porous material, and then an easily evaporable metal is separately heated and melted into the electrode, and the easily evaporated metal is added to the gap between the electrode materials by dipping or pressure impregnation. The material is made to contain filling etc. (for example, when the sintering temperature of the electrode material and the melting temperature of the easily evaporable metal are greatly different), and the easily evaporable metal is melted by the discharge heat during the release time process. The electrode is cooled by a cooling balance between the heat of evaporation absorbed by the easily evaporated metal and the heat of evaporation absorbed by the 2770 liquid when it evaporates. . The content of this easily vaporizable metal in the processed surface or surface portion of the electrode is preferably about 0.1 to 10% by weight.
惺艮
このようにすることにより、更に電極消耗の少い安定し
た加工が得られる改良した電極装置を提供することがで
き比。By doing so, it is possible to provide an improved electrode device that can provide stable processing with even less electrode wear.
実施例
第１図、第２図は本発明の実施例である電極の概略と一
部先端の拡大図である。Embodiment FIGS. 1 and 2 are schematic views of an electrode according to an embodiment of the present invention and an enlarged view of a portion of the tip thereof.
図で１は電極材で、ｃ、１． Ｏｕ＋Ｃ！Ｊ○、 ｃｌ
ｌ−ｚ Ｈ或はＦｅ系グラファイト系の粒子粉末を焼結
し友もので多孔質の核体な作っている。 ２は前記電
極材１を焼結する際に混合して共に焼結するか、電極材
１の焼結成形後に隙間に含浸介設させ几易蒸発金属で電
極材１中につめこみ埋めこまれて使われるもので放電万
ロエの際にその放電熱又は電極の温度によりとけて表面
に屓次滲みでるものでありＩｎ Ｔ Ｂ １ ＋ Ｐ
ａ ＋ Ｐ ｐ ＋ Ｓ ｎ ＋ ” ｂ ＋ ” １
ｌＳｒ＋ Ｂ” ＋ ｚｎ ｒＭｎ、 ８ｍ＋ Ｅ！
ｕ、 Ｙｂ、 Ａ３． Ｍｆ、 Ｙ或いはこれらとＣｕ
、Ａｔ７ａｌ−混合し比もの、又希土類金Ｒ”ｆ含ませ
比もの等である。 その他希土類との合金もしくは混合
金属においてＣｅｕ−Ｃｅｅ、 Ｃｕ−Ｌａ、 ＡＪＣ
ｅ。In the figure, 1 is an electrode material, c, 1. Ou+C! J○, cl
A porous core is made by sintering l-z H or Fe-based graphite particles. 2 is either mixed when the electrode material 1 is sintered and sintered together, or is impregnated into the gap after the electrode material 1 is sintered and formed, and is packed and embedded in the electrode material 1 with an easily evaporated metal. It is used and melts due to the heat of the discharge or the temperature of the electrode during discharge and oozes out onto the surface.In T B 1 + P
a + P p + S n + ” b + ” 1
lSr+ B” + zn rMn, 8m+ E!
u, Yb, A3. Mf, Y or these and Cu
, At7al-mixtures, and rare earth gold R''f-containing ones. Other alloys or mixed metals with rare earths include Ceu-Cee, Cu-La, AJC.
e.
ＡｊＬａ、 Ａ１． ｓｂ、 Ｂｉ Ｃｅ＋ Ｂｉ−Ｍ
ｙ、 ５ｎ−Ｌａ。AjLa, A1. sb, Bi Ce+ Bi-M
y, 5n-La.
Ｐｂ−Ｌａ、 ＭＩＰ−８ｂ、 １ ’ｆｔ合金として
Ａ ’ ２ Ｃｅ ＋Ａ ’ｚ Ｌａ Ｉ Ａｊ Ｓ
ｂ １ Ｂ Ｉｓ ｌ Ｃｅ４１ Ｂ”ｔ ＭＩｓ ＋
Ｃｎｔ Ｃｅｔ ＋Ｓ ｎ Ｌ ａ ！ ｌ Ｐ ｂ
Ｌ ａ ＋ Ｍ Ｊｉ’ ＋ Ｓ ｂ ｌＳｎ ２
Ｃｅ ＊ Ｓｎ ４ Ｃａ ＋Ｃｕ、Ｌａ等が利用され
る。Pb-La, MIP-8b, 1'ft as alloy A' 2 Ce + A'z La I Aj S
b 1 B Is l Ce41 B"t MIs +
Cnt Cet +S n La! l Pb
L a + M Ji' + S b lSn 2
Ce*Sn4Ca+Cu, La, etc. are used.
一般的には原子量の小さい金属？用いるものである。
又電極ｔグラファイトとする場合、相関化合物はイオン
結合のＬｉ、 Ｓｒ、 Ｂａ、 Ｚｎ、 Ｍｎ＋ Ｓｍ
＋Ｋｕ、Ｙｂ等のドナー型とＡ ｓ １Ｍ ｐ ＋ Ｓ
ｂ 、Ｙ等と共有結合０（ＯＨ）ｉ用いることができ
る。Metals with low atomic weight in general? It is used.
In addition, when the electrode is made of graphite, the correlated compounds are ionic bonds of Li, Sr, Ba, Zn, Mn+Sm
+ Donor type such as Ku, Yb etc. and A s 1M p + S
b, Y, etc. and a covalent bond 0(OH)i can be used.
又別にＢ １ ＊ Ｉ ｎ ＋工ａ ＋ Ｐ ｂ ＋
Ｓ ｎ 、８ ｂ−−−−−更にこれ等とｃｕａｐ
を混合したものま之希土類金属を含１せたものである。Also, B 1 * I n + Eng a + P b +
S n , 8 b ----- Furthermore, these and cup
It is a mixture of rare earth metals.
次に本発明を実験例にエフ説明する。Next, the present invention will be explained using an experimental example.
放電加工の放電条件をｒＯＮ中２５μｓ、ｒＯＦＦ中１
０中日０μｓ中１５１とし、被加工体を８５５０鉄材、
７ＪＯ工液を５．０×１０°４Ωｃｍの水とした。The discharge conditions for electrical discharge machining are 25 μs during rON and 1 during rOFF.
The workpiece is 8550 iron material,
The 7JO working solution was made into water of 5.0×10°4Ωcm.
上記のｍ１条件に工れは電気鋼（Ｃｕ）を電極とすると
電極消耗比は約２８チ であるが、０．８％Ｓｂ−残部
Ｃｎｔ極によれば約６％、１％Ｉｎ−残部ＣＵ電極によ
れば約ｔ５％、又４％Ｌａ−残部Ｃ１１電極によれば約
５％となった。Under the above m1 conditions, if electrical steel (Cu) is used as an electrode, the electrode consumption ratio is about 28%, but with a 0.8% Sb-balance Cnt electrode, it is about 6%, and with a 1% In-balance CU electrode. According to the electrode, it was about 5%, and according to the 4% La-balance C11 electrode, it was about 5%.
父上記と同一のｍ１条件で５０％ＣＵ−残部グラファイ
トから成るｃ、１−Ｇｆ電極を１約１８％の電極消耗を
するが、１％工ｎ−５０％Ｃｕ−残部グラファイト電極
に工れは約２．８％ となった。 又このＣｕ−ｏｒ電
極が約４２％ 消耗する刀ロエ条件に於て、１％Ｂ１−
５０％ＣＵ−残部グラ７アイト電極によれば約３．８％
（！：なつ之。Under the same m1 conditions as above, a c, 1-Gf electrode consisting of 50% CU with the remainder graphite consumed about 18% of the electrode, but a 1% CU-50% Cu with the remainder graphite electrode had no wear. It was approximately 2.8%. In addition, under the condition that this Cu-or electrode is consumed by about 42%, 1% B1-
50% CU - the remainder is approximately 3.8% according to the graphite electrode
(!: Natsuyuki.
放１を電圧を加えると、第２図の工うに放電熱により易
蒸発金ＪＩｉ２は電極材１の表面に滲出して電極の冷却
にあ几るのである。 又噴出加工液とあわせて冷却作用
を行うこととなる。When a voltage is applied to the electrode material 1, the easily evaporated gold JIi2 oozes out onto the surface of the electrode material 1 due to the discharge heat, as shown in FIG. 2, and helps to cool the electrode. In addition, the cooling effect is performed together with the jetted machining fluid.
発明の効果
このようにして本発明では金属或はグラファイトの電極
を粉末粒子を焼結しｔりして多孔質体に構成しておき、
中に易蒸発金属を充填等介設させておくことにエリ電極
の温度が高くなることにより易蒸発金属は滲出しだして
電極面を被ってｔｉ表面各部の間歇放電の際に少しずつ
蒸発するようになり、蒸発に際して吸収する蒸発熱で加
工液とともに冷却作用を行い、電極の消耗を防ぐととも
に安定し次数電力Ｕ工を行うことができろ。Effects of the Invention In this way, in the present invention, a metal or graphite electrode is formed into a porous body by sintering powder particles.
When the temperature of the electrode increases, the easily evaporable metal oozes out, covers the electrode surface, and evaporates little by little during intermittent discharge at various parts of the Ti surface. As a result, the heat of evaporation absorbed during evaporation acts as a cooling agent along with the machining fluid, thereby preventing wear on the electrodes and stably performing high-order power U machining.
第１図、第２図は本発明の１実施例電極の概略図と一部
先端拡大図である。
図で１は電極材、２は易蒸発金属。
−二手
・ ′、Ｘ
代 理 人 堀 江 秀 已 −瀾１片−一
′
第１図
第２図FIGS. 1 and 2 are a schematic diagram and a partially enlarged view of the tip of an electrode according to an embodiment of the present invention. In the figure, 1 is an electrode material and 2 is an easily vaporized metal. -Second hand・',
Claims (4)
隙間に易蒸発金属を充填等介設させて成り、この電極で
放電加工するときに発生する放電熱を、該放電熱で前記
易蒸発金属が蒸発するに際して吸収する蒸発熱と加工液
が蒸発するに際して吸収する蒸発熱とによつて電極を冷
却することを特徴とする放電加工用電極。(1) The gap between the electrode materials of an electrode is filled with an easily evaporable metal, and the discharge heat generated during electrical discharge machining with this electrode is absorbed by the discharge heat. An electrode for electrical discharge machining, characterized in that the electrode is cooled by the heat of vaporization absorbed when the easily vaporizable metal evaporates and the heat of vaporization absorbed when the machining fluid evaporates.
に滲み出るようにした特許請求の範囲第１項記載の放電
加工用電極。(2) The electrode for electric discharge machining according to claim 1, wherein the easily evaporated metal oozes out onto the outer surface of the electrode as the temperature of the electrode increases.
属を０．１〜５％（重量％％）含ませた特許請求の範囲
第１項記載の放電加工用電極。(3) The electrode for electric discharge machining according to claim 1, wherein the electrode material is graphite and contains 0.1 to 5% (wt%) of an easily vaporized metal with a small atomic weight.
或はＦｅ系を焼結した多孔質体である特許請求の範囲第
１項記載の放電加工用電極。(4) The electrode for electric discharge machining according to claim 1, wherein the electrode material is a porous body obtained by sintering Cu, Cu+Cu_2O, Cu-Zn, etc. or Fe-based material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12306986A JPS62282819A (en) | 1986-05-28 | 1986-05-28 | Electrode for electric discharge machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12306986A JPS62282819A (en) | 1986-05-28 | 1986-05-28 | Electrode for electric discharge machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62282819A true JPS62282819A (en) | 1987-12-08 |
Family
ID=14851421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12306986A Pending JPS62282819A (en) | 1986-05-28 | 1986-05-28 | Electrode for electric discharge machining |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62282819A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030818A (en) * | 1989-08-28 | 1991-07-09 | Dudas David J | Composite wire electrode |
| JPH03184723A (en) * | 1989-12-12 | 1991-08-12 | Ibiden Co Ltd | Electrode for electric discharge machining and manufacture thereof |
| RU2553749C2 (en) * | 2013-01-09 | 2015-06-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Воронежский государственный технический университет" | Thermal erosion processing process |
-
1986
- 1986-05-28 JP JP12306986A patent/JPS62282819A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030818A (en) * | 1989-08-28 | 1991-07-09 | Dudas David J | Composite wire electrode |
| JPH03184723A (en) * | 1989-12-12 | 1991-08-12 | Ibiden Co Ltd | Electrode for electric discharge machining and manufacture thereof |
| RU2553749C2 (en) * | 2013-01-09 | 2015-06-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Воронежский государственный технический университет" | Thermal erosion processing process |
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