A Q&A on Flush Cup Nozzles for Makino Wire EDMs (Part 1: Split V-Guide Systems)

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Q: What are the main types of flush cup nozzles and consumable wear parts for Makino wire EDMs?

A: Even simple questions sometimes require detailed answers. In this situation, the answer actually requires two responses as the part numbers vary between the Split V-Guide and PICO (Round Guide) systems that are available. Part one of this response covers the Split V-Guide system.

Sealed Nozzles (Good Flush)

  • Upper Head: Split Guide
    • Nozzle Guard (Body) – Part #18EC130B401
    • Inner Insulator Bushing – Part #20EC080A702
    • Nozzle Spacer – Part #18EC80A719
    • Rubber Nozzle – Part #18EC80A717
  • Lower Head: Split Guide
    • Nozzle Guard (Body) – Part #18EC130B401
    • Inner Insulator Bushing – Part #20EC080A702
    • Nozzle Spacer – Part #18EC130B705
    • Rubber Nozzle – Part #18EC130B706

EDMmatters Image1 6-1-17

Detached Nozzles (Poor Flush)

  • Upper Head: Split Guide
    • Nozzle Guard (Body) – Part #20EC920A401-01
    • Inner Insulator Bushing – Part #20EC920A701-00
  • Lower Head: Split Guide
    • Nozzle Guard (Body) – Part #20EC920A401-01
    • Inner Insulator Bushing – Part #20EC920A701-00

EDMmatters Image2 6-1-17

Taper Machining Nozzles (Poor Flush)

  • Upper Head: Split Guide
    • Nozzle Guard (Body) – Part #6EC80A418=2
    • Rubber Nozzle – Part #4EC80A708=1
  • Lower Head: Split Guide
    • Nozzle Guard (Body) – Part #6EC80A418=2
    • Rubber Nozzle – Part #4EC80A708=1

EDMmatters Image3 6-1-17

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