CNC Sparking

CNC Spark Erosion, also known as Sinker EDM, consists of an electrode and workpiece submerged in dialectric fluid. As the electrode nears the workpiece a plasma channel is formed, a spark bridges the gap and the base metal is vapourised. This creates a 3D inverse image of the electrode on the workpiece.

This allows for complex cavities and blind holes to be formed that otherwise could not be machined by conventional methods.

Our Swiss 5-Axis CNC Spark Erosion facility offers the following :

• Machining tolerances of up to 0.010mm
• Vectoring in any direction
• EDM milling and turning
• EDM threads and undercuts
• All types of steels including Inconel, Duplex, Aluminium, Bronze, Carbide and Titanium

Spark Erosion can be used for processes ranging from the simple removal of a broken tap to shafts, stems and sleeves for the oil exploration industry and complex curved impellors.