Job Description:

• 1) Sets up electron-beam welding machine to join together metal components through emission of electrons in vacuum chamber onto workpiece, according to welding charts and specifications: Turns knobs to set voltage and welding speed according to specifications.

• 2) Turns knobs to set focus of electron beam, beam current, vacuum level and deflection, according to welding charts of parameter settings and equipment setup experience.

• 3) Turns controls to start air-pumping and water-cooling systems.

• 4) Positions metal components into present fixture.

• 5) Pushes cycle button to automatically start power supply and to weld component.

• 6) Inspects welded component for defects according to knowledge of metal characteristics and electron-beam welding equipment.

• 7) Cleans gun cartridge, using cleaning solution, and replaces damaged filament, using handtools.

• 8) Replaces worn seal in vacuum chamber, using wrench.