| Job Title |
Arc Cutter |
| Job Description |
Cuts, Trims, Or Scarfs Metal Objects To Dimensions, Contour,
Or Bevel Specified By Blueprints, Work Order, Or Layout, Using
Arc-cutting Equipment: Positions Workpiece Onto Table Or Into
Fixture Or With Jib Or Crane. Selects Carbon Or Metal-coated
Carbon Electrode, Gas Nozzle, Electric Current, And Gas
Pressure, According To Thickness And Type Of Metal, Data On
Charts, Or Record Of Previous Runs. Inserts Electrode And Gas
Nozzle Into Holder And Connects Hose From Holder To Compressed
Gas Supply. Connects Cables From Power Source To Electrode And
Workpiece Or Fixture, To Obtain Desired Polarity. Turns Knobs To
Select Amperage. Turns Lever To Adjust Jet Of Gas To Blow Away
Molten Metal. Strikes Arc And Guides Electrode Along Lines To
Cut (melt) Through Metal. May Cut Off Chips Or Sprues And Burn
Out Cracks And Holes. May Use Holder Having Two Electrodes. May
Cut Without Using Gas Jet. May Use Nonconsumable Tungsten
Electrode And Gases, Such As Helium Or Carbon Dioxide, And Be
Designated Arc Cutter, Gas-tungsten Arc (welding). May Use
Plasma-arc Cutting Torch And Gases, Such As Nitrogen And Carbon
Dioxide, And Be Designated Arc Cutter, Plasma Arc (welding).
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