Mold Operator

Pour liquid or powdered insulating material into molds.
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Quick Stats

Salary Range
$19,000 – $44,000

Data from U.S. Department of Labor

What do Mold Operators do?

Pours liquid or powdered insulating material into mold to form insulation for electric motor, generator, and switchgear mechanisms: Weighs specified amounts of plaster, cement, metallic, or plastic powders, dumps ingredients into mixing machine, and starts machine. Positions assemblies, such as contact arms, collector rings, rotor shaft coils, and core assemblies, into mold cavity or molding jig, using spacer blocks and pilot pins. Pours mixture into mold and allows mixture to set in hydraulic press or harden in furnace. Removes assembly from mold or jig and scrapes hardened insulation with knife and rasp to trim to specified size. Cuts, bends, shapes, and bolts together pieces of metal to adapt or improvise assembly fixtures to hold parts in mold. May touch leads to meter and observe dial readings to test assembly for electrical continuity. May be designated according to type of material used as Plaster-Of-Paris Molder or product insulated as Transformer Molder.

Should I be a Mold Operator?

You should have a certificate degree or higher and share these traits:
  • Independent: You enjoy flying solo and doing things your own way.
  • Trustworthy: You are known for your personal integrity and honesty.
  • Detail Oriented: You pay close attention to all the little details.

  • Also known as: Jigger Operator

    How to become a Mold Operator

    We recommend at least a Certificate. Check out these schools offering Mold Operator-related education!
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