Welding-machine Operator, Electron Beam
Overall rating: (N/A)
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Sets up and operates electron beam welding machine to join
metal workpieces according to specifications, applying knowledge
of electron-beam welding: Cleans and assembles part, usnig
solvents, degreasing equipment, and press or oven.
Chekcs part
for magnetic field, using Gauss meter, and places part on
automatic demagnetizer. Selects holding fixture according to
size and type of workpiece and installs fixture into welding
position. Selects target block and fastens block to fixture to
make beam adjustments and prevent damage to equipment. Turns on
poewr supply and water cooling and air pumping systems.
Closes
chamber door and activates pumping stages to cretae vacuum.
Reviews specifications or examines sample parts to determine
equipment settings, applying knowledge of electron-beam welding
and metal characteristics. Adjusts current setting to heat
filament or cathode and adjusts high voltage setting on anode.
Algins target block in horizontal and lateral directions, using
hand and foot controls.
Rotates polarized filter to darken imgae
in optical viewing system.
Activates beam and adjusts anode
voltgae and beam current to regulate depth of weld. Adjusts
current to magnetic lens to focus beam in specific positions.
Moves workpiece under elecrton beam during welding, using
handtools. Tunrs off beam, opens chamber, and removes target
block.
Inspects section of workpiece for depth of weld
penetration, width of joniing cracks, holes, and inclusions,
using microscope.
Performs mechanical strength tests and recrods
results.
Cleans weld chamebr and replaces filament, using
handtools.
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Welding-Machine Operator, Electron Beam
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