WO1990014918A1 - Electric spark machining electrode and method of production thereof - Google Patents

Electric spark machining electrode and method of production thereof Download PDF

Info

Publication number
WO1990014918A1
WO1990014918A1 PCT/JP1990/000730 JP9000730W WO9014918A1 WO 1990014918 A1 WO1990014918 A1 WO 1990014918A1 JP 9000730 W JP9000730 W JP 9000730W WO 9014918 A1 WO9014918 A1 WO 9014918A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
conductive metal
powder
electric spark
gypsum
Prior art date
Application number
PCT/JP1990/000730
Other languages
English (en)
French (fr)
Inventor
Satoshi Nishimuro
Takeo Hori
Kiyoko Ban
Original Assignee
Cusp Dental Supply Co., Ltd.
Noguchi, Hakuju
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 Cusp Dental Supply Co., Ltd., Noguchi, Hakuju filed Critical Cusp Dental Supply Co., Ltd.
Priority to DE69013640T priority Critical patent/DE69013640T2/de
Priority to EP90908675A priority patent/EP0427876B1/en
Publication of WO1990014918A1 publication Critical patent/WO1990014918A1/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING 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
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/04—Electrodes specially adapted therefor or their manufacture
    • B23H1/06—Electrode material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING 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
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/04—Electrodes specially adapted therefor or their manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING 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
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/06—Marking or engraving

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
PCT/JP1990/000730 1989-06-07 1990-06-05 Electric spark machining electrode and method of production thereof WO1990014918A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE69013640T DE69013640T2 (de) 1989-06-07 1990-06-05 Elektroerosionselektrode und verfahren zu deren herstellung.
EP90908675A EP0427876B1 (en) 1989-06-07 1990-06-05 Electric spark machining electrode and method of production thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14474689 1989-06-07
JP1/144746 1989-06-07

Publications (1)

Publication Number Publication Date
WO1990014918A1 true WO1990014918A1 (en) 1990-12-13

Family

ID=15369404

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1990/000730 WO1990014918A1 (en) 1989-06-07 1990-06-05 Electric spark machining electrode and method of production thereof

Country Status (5)

Country Link
US (1) US5108555A (ja)
EP (1) EP0427876B1 (ja)
AT (1) ATE113223T1 (ja)
DE (1) DE69013640T2 (ja)
WO (1) WO1990014918A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2131872A1 (en) * 1993-09-14 1995-03-15 Hirofumi Sugikawa Metallic porous sheet and method for manufacturing same
US5818005A (en) * 1997-04-24 1998-10-06 Motorola, Inc. Electrical discharge machining electrode and rapid method for fabricating same
KR100411455B1 (ko) * 1998-11-13 2003-12-18 미쓰비시덴키 가부시키가이샤 방전표면처리방법 및 방전표면처리용 전극
US6409902B1 (en) 1999-08-06 2002-06-25 New Jersey Institute Of Technology Rapid production of engineering tools and hollow bodies by integration of electroforming and solid freeform fabrication
US9284647B2 (en) * 2002-09-24 2016-03-15 Mitsubishi Denki Kabushiki Kaisha Method for coating sliding surface of high-temperature member, high-temperature member and electrode for electro-discharge surface treatment
CA2484285C (en) * 2002-09-24 2012-10-02 Ishikawajima-Harima Heavy Industries Co., Ltd. Method for coating sliding surface of high temperature member, and high-temperature member and electrode for electric-discharge surface treatment
TWI272993B (en) * 2002-10-09 2007-02-11 Ishikawajima Harima Heavy Ind Method for coating rotary member, rotary member, labyrinth seal structure and method for manufacturing rotary member
DE112006004188B4 (de) * 2006-12-27 2017-05-11 Mitsubishi Electric Corp. Verfahren zur Herstellung einer Elektrode für die elektroerosive Oberflächenbehandlung und danach hergestellte Elektrode
CN103273151B (zh) * 2013-06-07 2015-11-18 南通超达机械科技有限公司 三片式模具电火花加工工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59152024A (ja) * 1983-02-18 1984-08-30 Toyota Motor Corp 放電加工用電極の製造方法
JPS59152023A (ja) * 1983-02-16 1984-08-30 Komatsu Ltd 金型製造法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244852A (en) * 1964-01-06 1966-04-05 Avco Corp Process for making electric discharge machining electrode
US3496987A (en) * 1967-06-29 1970-02-24 Avco Corp Method of forming three-dimensional refractory shapes
US3650736A (en) * 1968-09-09 1972-03-21 Amforge Inc Method of molding electrodes
US3689729A (en) * 1969-12-04 1972-09-05 Mor Wear Tools Inc Electrode for electrical discharge machining
US4301356A (en) * 1978-03-09 1981-11-17 Sekisui Kagaku Kogyo Kabushiki Kaisha Heating unit and method for production thereof
US4373127A (en) * 1980-02-06 1983-02-08 Minnesota Mining And Manufacturing Company EDM Electrodes
JPS5727623A (en) * 1980-07-25 1982-02-15 Tamura Electric Works Ltd Manufacturing method of electrode
JPS5866630A (ja) * 1981-10-12 1983-04-20 Toyota Motor Corp 放電電極の製造方法
JPS63141906A (ja) * 1986-12-03 1988-06-14 G C Dental Ind Corp 歯科鋳造用埋没材
JPH02226609A (ja) * 1989-02-27 1990-09-10 Nippon N U S Kk 導電性成形材料およびこれを用いた導電性成形物ならびに放電加工用電極

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59152023A (ja) * 1983-02-16 1984-08-30 Komatsu Ltd 金型製造法
JPS59152024A (ja) * 1983-02-18 1984-08-30 Toyota Motor Corp 放電加工用電極の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0427876A4 *

Also Published As

Publication number Publication date
EP0427876B1 (en) 1994-10-26
EP0427876A4 (en) 1992-07-08
US5108555A (en) 1992-04-28
DE69013640D1 (de) 1994-12-01
EP0427876A1 (en) 1991-05-22
ATE113223T1 (de) 1994-11-15
DE69013640T2 (de) 1995-03-30

Similar Documents

Publication Publication Date Title
EP1372521B1 (de) Verfahren zur herstellung von vollkeramischen dentalformteilen
DE2518355C2 (de) Verfahren zum Herstellen künstlicher Zähne
WO1990014918A1 (en) Electric spark machining electrode and method of production thereof
ES8203808A1 (es) Metodo para fabricar un cuerpo ceramico
DE10394050D2 (de) Verfahren zur Herstellung vollkeramischeer Zahnteile mit vorbestimmter Raumform mittels Elektrophorese
US1863591A (en) Dental plastic composition
JPS5639356A (en) Preparation of camshaft
Silver Impressions and silver-plated dies from a rubber impression material
JPH02226609A (ja) 導電性成形材料およびこれを用いた導電性成形物ならびに放電加工用電極
US3001240A (en) Process for producing dental restorations
ES2084387T3 (es) Procedimiento para la fabricacion de protesis dentales.
JPS62865B2 (ja)
Frantsev et al. Improving Ingot Mould Life
SU1355274A1 (ru) Способ изготовлени зубных протезов
DE261560C (ja)
SU1509064A1 (ru) Способ изготовлени цельнолитого зубного протеза
SU1630815A1 (ru) Способ получени слепков при изготовлении протезно-ортопедических изделий
JPH1033568A (ja) 歯科用樹脂成形体製造用分離剤および該分離剤を用いた歯科用樹脂成形体の製法
SU1404074A1 (ru) Состав дл зуботехнических работ
JP2515134B2 (ja) 歯科模型用石こう組成物または歯科埋没用石こう組成物
Liviu FIXED GALVANOFORMED DENTURES. TECHNOLOGICAL ASPECTS
JPS58211404A (ja) 放電加工機に使用する電極の加工法
Kondrat'eva et al. Perspectives on the Creation and Development of Moulding Materials
JPS6411929A (en) Production of superfine sintered hard alloy product
DE3707306A1 (de) Verfahren und vorrichtung zur herstellung keramischer inlays

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB IT LU NL SE

WWE Wipo information: entry into national phase

Ref document number: 1990908675

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1990908675

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1990908675

Country of ref document: EP