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Foundry Mold and Coremakers

People classed as Foundry Mold and Coremakers make or form wax or sand cores or molds used in the production of metal castings in foundries. Interest ratings put Realistic on top at 6.8 out of 7 and Conventional second, so the code is RCI and the day leans toward hands-on work with tools, machines or the physical world. The preparation level is some preparation, typically a few months to a year of learning on the job. O*NET’s skill data points to operations monitoring, monitoring, and time management as the ones to build. A regular part of the work is to clean and smooth molds, cores, and core boxes, and repair surface imperfections. People who want hands-on work with tools, machines or the physical world usually fit better here than those who need leading, persuading and making business decisions.

What they do

Make or form wax or sand cores or molds used in the production of metal castings in foundries.

Main tasks

  • Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
  • Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
  • Position patterns inside mold sections, and clamp sections together.
  • Position cores into lower sections of molds, and reassemble molds for pouring.
  • Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
  • Form and assemble slab cores around patterns, and position wire in mold sections to reinforce molds, using hand tools and glue.

Skills

  • Operations Monitoring
  • Monitoring
  • Time Management
  • Critical Thinking
  • Active Listening
  • Speaking

Who this career fits

May suit you if

  • You like ending the day with a physical result you can point to.
  • You like clear rules and getting the details right.
  • You want to start work after a short stretch of training.
  • You are comfortable relying on operations monitoring and monitoring.

May not suit you if

  • You would rather stay away from physical, hands-on tasks.
  • You want to lead people or run the business side. Enterprising rates 1.0 out of 7 here.
  • You want a career built on years of advanced study.

Interest profile

O*NET rates each occupation from 1 to 7 on six interest types. The code RCI takes the three highest, and Realistic comes first here.

Preparation

Some preparation. Most people start with a high school diploma, then learn from experienced coworkers over a few months to a year.

Most-reported requirement in the O*NET survey: High School Diploma or the equivalent (such as a GED). This reflects what workers reported most often and is not a legal minimum. Licensing rules can differ by state or industry, so confirm what applies where you plan to work.

Also called

  • Core Machine Operator
  • Core Maker
  • Core Stripper
  • Coremaker
  • Green Sand Molder

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This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA.