, Ohio, Arc Drilling has offered EDM capability. Initially this capability was focused on serving the automotive industry. Service to the aerospace industry, and dynamic balancing... becoming high volume ADDB products. In 1981 ADDB welcomed the opportunity to explore a new type of EDM technology: the wire cut. The addition of our first wire machine, a 4-axis..., demand led to a tripling of the wire cutting capacity.s Meanwhile, CNC controls were also introduced in our conventional EDM operations. The addition of a CNC vertical milling machine...