WO2007133258A3 - Edm electrodes by solid free - form fabrication - Google Patents

Edm electrodes by solid free - form fabrication Download PDF

Info

Publication number
WO2007133258A3
WO2007133258A3 PCT/US2006/045485 US2006045485W WO2007133258A3 WO 2007133258 A3 WO2007133258 A3 WO 2007133258A3 US 2006045485 W US2006045485 W US 2006045485W WO 2007133258 A3 WO2007133258 A3 WO 2007133258A3
Authority
WO
WIPO (PCT)
Prior art keywords
solid free
features
form fabrication
edm
edm electrodes
Prior art date
Application number
PCT/US2006/045485
Other languages
French (fr)
Other versions
WO2007133258A2 (en
Inventor
Michael L Rynerson
James Randall Gilmore
Jianxin Liu
Original Assignee
Ex One Company
Michael L Rynerson
James Randall Gilmore
Jianxin Liu
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 Ex One Company, Michael L Rynerson, James Randall Gilmore, Jianxin Liu filed Critical Ex One Company
Priority to EP06851154A priority Critical patent/EP1958292A2/en
Publication of WO2007133258A2 publication Critical patent/WO2007133258A2/en
Publication of WO2007133258A3 publication Critical patent/WO2007133258A3/en

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F3/26—Impregnating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • 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
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

Solid free-form fabrication is used to make EDM electrodes (40, 60, 70) having improved structural and/or performance features. Included among the features are flushing conduits (78) that terminate upon work surfaces (46, 66) upon which such termination was previously unavailable or upon porosity that itself terminates on a work surface (46, 66). Also included among such features are conduit wall protrusions (96) which reduce or eliminate sprues on the workpiece surface and the inclusion of chambers (64) that reduce the amount of material needed to make the EDM electrode (40, 60, 70).
PCT/US2006/045485 2005-11-28 2006-11-27 Edm electrodes by solid free - form fabrication WO2007133258A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06851154A EP1958292A2 (en) 2005-11-28 2006-11-27 Edm electrodes by solid free - form fabrication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74002605P 2005-11-28 2005-11-28
US60/740,026 2005-11-28

Publications (2)

Publication Number Publication Date
WO2007133258A2 WO2007133258A2 (en) 2007-11-22
WO2007133258A3 true WO2007133258A3 (en) 2008-06-05

Family

ID=38694357

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/045485 WO2007133258A2 (en) 2005-11-28 2006-11-27 Edm electrodes by solid free - form fabrication

Country Status (2)

Country Link
EP (1) EP1958292A2 (en)
WO (1) WO2007133258A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006054347A1 (en) * 2006-11-17 2008-05-21 Mtu Aero Engines Gmbh Electrode and method for producing an electrode
US10577695B2 (en) 2016-12-28 2020-03-03 Mitsubishi Electric Corporation Method for manufacturing discharge surface treatment electrode and method for manufacturing film body
FR3071758B1 (en) * 2017-09-29 2020-01-10 Safran Aircraft Engines ELECTRODE HOLDER (S) FOR ELECTROEROSION MACHINING, AND PROCESS FOR OBTAINING SAME
WO2020191196A1 (en) * 2019-03-19 2020-09-24 Trustees Of Boston University Systems and methods for fabricating three-dimensional conductive electrodes
WO2020237012A1 (en) * 2019-05-23 2020-11-26 Corning Incorporated Method of preparing an electrode for use in forming a honeycomb extrusion die

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649695A1 (en) * 1993-10-25 1995-04-26 National Research Council Of Canada Method of manufacturing electrically conductive elements, in particular electrodes for electrical discharge machining
US5933701A (en) * 1996-08-02 1999-08-03 Texas A & M University System Manufacture and use of ZrB2 /Cu or TiB2 /Cu composite electrodes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649695A1 (en) * 1993-10-25 1995-04-26 National Research Council Of Canada Method of manufacturing electrically conductive elements, in particular electrodes for electrical discharge machining
US5933701A (en) * 1996-08-02 1999-08-03 Texas A & M University System Manufacture and use of ZrB2 /Cu or TiB2 /Cu composite electrodes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DURR H ET AL: "Rapid tooling of EDM electrodes by means of selective laser sintering", COMPUTERS IN INDUSTRY, ELSEVIER SCIENCE PUBLISHERS. AMSTERDAM, NL, vol. 39, no. 1, June 1999 (1999-06-01), pages 35 - 45, XP004164327, ISSN: 0166-3615 *

Also Published As

Publication number Publication date
WO2007133258A2 (en) 2007-11-22
EP1958292A2 (en) 2008-08-20

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