Purpose This specification provides a standard for manufacture@ performance@ inspection@ reliability and procurement of an Electron Beam high-vacuum welding system exclusive of weld positioners@ weld manipulators and other mechaniments and is not limited to design advancements. Classification This machine is a completely self-contained general-purpose Electron Beam welding facility. Type I. Electron Beam - High Vacuum II. Movable Gun III@ Fixed Gun IV. Hovable Gun and Workpiece Size Chamber size and power ratings shall be that which is applicable to customer requirements. Class Precision