Plasma torch with head, electrode and nozzle identification means

摘要

A torch head (2) fitted to a plasma torch body (3) may be checked for suitability by embedding an identifying element (5) in the head such that after fitting the torch head to the torch body a connection (4) is made through the body to a processor (6) which determines suitability of the torch head type to proposed work and current to be used. The processor is connected to a control unit (8) which controls power and liquids