A professional who sets up and operates die press, using demountable dies (dies with interchangeable parts) to cast motor and generator rotors. Respnsibilities include:

• Stacks rotor core laminations and mounts them over keyed mandrel secured to die base of casting machine.
• Verifies skew of core slots, using fixed gauge and places die shell and top plate over assembly and secures with C-clamp.
• Loads aluminum bar stock into pot-type furnace.
• Observes thermocouple dial and turns gas valve to regulate temperature of molten metal.
• Lines cylinder pot with asbestos strips and disk to prevent chilling.
• Pours specified amount of molten aluminum into cylinder, using hand ladle.
• Loads die and lamination assembly into press cavity and closes door.
• Pulls levers to activate die rams that force molten aluminum through and around laminations and eject cast rotor from press cylinder.
• Removes and stamps rotor with identifying data.