According to the structure of a shrouded turbine blisk,an electrode designing system for EDMing
shrouded turbine is designed through the secondary development on the UG platform. The system consists of five modules,named electrode initial design,electrode thinning,electrode dividing,electrode base design and electrode feeding path planning. An experiment was conducted to validate the electrode design system. A shrouded turbine blisk sample is successfully EDMed by using the so designed electrode.