A professional who tends machine that winds and seals layers of paper tape around form to make cores for transformer coils. Responsibilities include:

• Mounts rolls of glued paper tape in core machine holders.
• Fills glue moistener reservoir.
• Turns setscrew and adjusts machine at specified angle for spiral winding.
• Mounts core form on chuck of machine and wraps end of tape around form.
• Starts machine that spirally winds and seals layers of paper tape around form and cuts tape when required length is reached.
• Removes completed cores from machine to stock bins.
• May oil machine.