Blow Molding Machine Operator

Set up and operate blow molding machines that mold plastic products.
picture of Blow Molding Machine Operator

Quick Stats


Salary Range
$21,000 – $47,000

Data from U.S. Department of Labor


What do Blow Molding Machine Operators do?

Sets up and operates blow molding machine to mold plastic products according to specifications: Turns valves to start flow of water and release air pressure to machine. Moves machine controls to set timing unit and temperature of heating unit and start automatic feed mechanism. Adjusts machine mandrel and aligns mandrel with mold chamber, using wrenches. Starts molding machine that automatically feeds material from mixing unit to mandrel and to mold chamber. Closes chamber to mold product under heat and pressure. Removes workpiece from mold after timing device opens mold, and trims excess material from workpiece, using knife or bandsaw. Regrinds excess material and unsatisfactory workpiece for reuse, using grinding machine. May weigh completed workpiece to determine accuracy of machine operation.


Should I be a Blow Molding Machine Operator?

You should have a high school degree or higher and share these traits:
  • Detail Oriented: You pay close attention to all the little details.
  • Flexible: You're open to change and think variety is the spice of life.
  • Reliable: You can always be counted on to do a good job.

  • Also known as: Sole-Molding-Machine Operator

    How to Become a
    Blow Molding Machine Operator

    Most Blow Molding Machine Operators have no higher education and get on-the-job training. Think about earning a Certificate to increase your competitiveness in the field. Chart?chd=s:9gaaaa&chl=no+college+%2891%25%29|certificate+%289%25%29||||&cht=p3&chs=466x180&chxr=0,91,91
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