Processes or apparatus applicable to both electrical discharge machining and electrochemical machining

Introduced: January 1985

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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B23H 7/02 Wire-cutting since 1985 IPC+CPC Available in IPC and CPC
B23H 7/12 Rotating-disc electrodes since 1985 IPC+CPC Available in IPC and CPC
B23H 7/14 Electric circuits specially adapted therefor, e.g. power supply since 1985 IPC+CPC Available in IPC and CPC
B23H 7/22 Electrodes specially adapted therefor or their manufacture (B23H7/08, B23H7/12, B23H9/00 take precedence) since 1985 IPC+CPC Available in IPC and CPC
B23H 7/26 Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode since 1985 +1 CPC IPC+CPC Available in IPC and CPC
B23H 7/34 Working media since 1985 IPC+CPC Available in IPC and CPC
B23H 7/36 Supply or regeneration of working media since 1985 IPC+CPC Available in IPC and CPC
B23H 7/38 Influencing metal working by using specially adapted means not directly involved in the removal of metal, e.g. ultrasonic waves, magnetic fields or laser irradiation since 1985 IPC+CPC Available in IPC and CPC