Numerica Credit Union offers customer support via their website at www.numericacu.com. You can also contact Numerica Credit Union via phone at (800) 255-9194 or email at NCUMemberService@numericacu.com.
Electrical discharge machining. Electrical discharge machining (EDM), also known as spark machining, spark eroding, burning, die sinking, wire burning or wire erosion, is a manufacturing process whereby a desired shape is obtained by using electrical discharges (sparks).
Sheet Lamination. Sheet lamination processes include ultrasonic additive manufacturing (UAM) and laminated object manufacturing (LOM). The Ultrasonic Additive Manufacturing process uses sheets or ribbons of metal, which are bound together using ultrasonic welding.The process does require additional cnc machining and removal of the unbound metal, often during the welding process.heet Lamination â Step by Step. 1  The material is positioned in place on the cutting bed. 2  The material is bonded in place, over the previous layer, using the adhesive. 3  The required shape is then cut from the layer, by laser or knife.