For Challenge Machine, the complex medical part shown in the slideshow above led it to consider a Swiss-type lathe having a programmable, swiveling B axis with live tooling stations. The Blaine, Minnesota, shop that recently became certified to ISO 13485 had been running the implantable, medical-grade polyetheretherketone (PEEK) part used in knee replacement procedures across two CNC machines. A five-axis machine milled much of the part (cycle time was 45 minutes) and a three-axis machine compl...