Latest Trends in Electric Discharge Machining (EDM ) - IMTMA/T008

Programme Background

EDM is one of the most accurate manufacturing processes available for creating complex shapes and geometries. While EDM is popular in the mold and die?making industries, it is becoming a common method of making prototype and production parts, especially in the aerospace, medical machining, automobile and electronics industries in which production quantities are relatively low. The mold and die industry today needs to respond to market demands quicker and with greater flexibility than ever before. In most of the cases, EDM is the final operation and the quality of the molded parts including its finish, depends on the EDM process. As such proper understanding of the EDM system as a whole is necessary to achieve optimum EDM productivity and good quality.

Focus Areas
  • Overview of EDM applications
  • Advancements in Spark EDM applications C axis, Orbitting applications,; Challenges in Spark EDM Achieving Surface finish,
  • Reducing tool wear, etc.,
  • Selection criteria for electrode materials Effects on MRR, surface finish, tool wear
  • Electrode design / Electrode Planning Importance, Procedure, case studies
  • Interchangeable holding systems for EDM applications
  • Advancements in wire EDM applications 5 axis, Turn EDM, Twin wire, Horizontal EDM, etc., Case studies
  • Challenges in Wire EDM Control of taper, Cutting tall parts, Controlling surface finish; cutting special materials Titanium,
    Aluminium, carbide, etc.,
  • Importance of proactive and preventive maintenance in EDM machines Wire EDM and Spark EDM; Systematic procedure,
    Do's and Don'ts
  • EDM productivity User perspective

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