Information on BAXEDM Arc Generators used with KFLOP
From Dynomotion
Electrical Discharge Machining EDM (wikipedia)is a method of cutting materials with high precision and detail.

Dynomotion Motion Controllers work well for EDM because of the ability for feedrate to be dynamically controlled including reversal along cutting path.
Showcase: DIY Machine with BX17 Arc Generator (BAXEDM website)
See the BAXEDM Site for more information.