Job Description:

• 1) Sets up extrusion press to extrude carbon rods or welding rods and coat core with metallic paste: Selects coating nozzles, spacers, and wire guides, according to diameter and length of rod.

• 2) Positions, aligns, and bolts abrasive brush, coating nozzles, spacers, marking wheels, and wire guides to machine, using handtools to set up machine to form rods of specified size and length.

• 3) Pulls lever or presses button to set conveyor speed and extruding pressure.

• 4) Starts machine that automatically coats wire to form rod of specified diameter and cuts it to specified length.

• 5) Examines sample piece for splits in coating or burrs on cut ends.

• 6) Measures diameter of rod and concentricity of coating with fixed gauges.

• 7) Turns screws to adjust wire guides, spacers, and brushes to eliminate splits and burrs.

• 8) Varies extrusion pressure or speed of conveyor, or repositions coating nozzle to vary diameter of rod and maintain concentricity of coating around wire.