| 摘要 |
An electrical discharge machining (EDM) apparatus includes a plurality of machining heads, at least one EDM control system, and a plurality of programmable servo drives. Each one of the programmable servo drives is connected to the EDM control system and to a respective one of the plurality of machining heads. The programmable servo drives receive a velocity command from the EDM control system and feed a control signal to a respective one of the plurality of machining heads to control electrode positioning.
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