Cosmos impex [india] manufactures new znc programmable joemars jm series edm machines for auto machining. A total of 50 programs, each program can do a single step, 5 steps or a maximum of 10 steps machining and each step includes 12 kinds of machining parameters. By using the fuzzy logic control system, the operator can get a total of 9600 sets of machining parameters, which can also be customized at any instance during sparking without disturbing the stored parameters.