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Thursday, February 27, 2020

EDM test with Dave and Roy

We build and test a low budget EDM for burning out broken taps, bolts and making holes in hard metals. Stepper motor control is an Arduino UNO set up for gap current control. This was steel
Test with aluminum. Hex hole burned with EDM. 35 -45 volts electrode positive
Redesign with a linear actuator for ram