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"WELDING-MACHINE OPERATOR, GAS"
Job Description and Jobs

Job Description:

  • 1) Sets up and operates oxy-fuel-gas-welding machine to weld metal parts, according to work order, blueprints, layout, and operating charts: Clamps workpieces into holding fixture on machine bed, movable carriage, or turntable.

  • 2) Positions and clamps or bolts welding torch onto overhead carriage, radial arm, or into stationary fixture at specified angle and distance from workpiece.

  • 3) Turns cranks to align torch with weld line.

  • 4) Selects torch tip, filler wire, and flux, according to charts or thickness and type of metal.

  • 5) Fills hoppers with flux and positions spout over weld line.

  • 6) Places reel of filler wire onto spindle and threads end through feed rolls to welding seam.

  • 7) Connects hoses from torch to regulator valves and cylinders of oxygen and fuel gas.

  • 8) Turns regulator valves to start flow of gases, lights torch, and adjusts gas mixture and pressure to obtain flame of desired size and color.

  • 9) Turns knobs to synchronize movement of torch or workpiece, feed of flux and filler with welding action, and sets switch to stop machine at end of weld.

  • 10) Starts machine, observes welding action, and examines weld for defects.

  • 11) Adjusts machine setup to vary bead size and other weld characteristics.

  • 12) May record setup and operating data.

  • 13) May reweld defective joints, using handtorch.

  • 14) May preheat workpiece in furnace.

  • 15) May lay out, fit, and tack-weld workpieces together.

  • 16) May operate machine equipped with two or more welding torches.

  • 17) May remove surplus flux, slag, and splatter, using wirebrush, portable grinder, and hand scraper.

 

 

 


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End Of Job Description for: "WELDING-MACHINE OPERATOR, GAS"
DOT:   811.482-010

Job Number: 11967