What the work involves, what it pays, and grounded tasks, skills, tools, and experience you can choose from.
Also called coremaker, hand coremaker, airset caster and airset molder.
$48,110
Median pay a year
12,790
People do this work
6
Resume lines ready for you
Real figures for this work, and lines you can use in your own resume. Where they come from is at the foot of this page.
An example
A Foundry Mold and Coremaker resume, filled in
Common skills that can help you remember what you used on the job.
Building production molds
Placing materials into molds
Cleaning production equipment
Applying parting agents
Removing workpieces from molds
Cutting industrial materials
Smoothing metal surfaces
Positioning patterns
Operating heating and drying equipment
Lifting materials
Signaling others
Every line comes from the same public record as the rest of this page. The greyed parts are the ones only you can answer.
Foundry Mold and Coremaker
Summary
Foundry Mold and Coremaker making wax or sand molds and cores for metal castings, cleaning and repairing molds, packing sand, positioning patterns and cores, and pouring molten metal into molds
Experience
Foundry Mold and Coremaker
Where you worked
Month Year to Month Year
Cleaned and smoothed molds, cores, and core boxes, and repaired surface imperfections
Sifted and packed sand into mold sections and core boxes using hand or pneumatic ramming tools
Positioned patterns inside mold sections and clamped sections together
Positioned cores into lower sections of molds and reassembled molds for pouring
Sprinkled or sprayed parting agents onto patterns and mold sections to help remove patterns from molds
Moved and positioned workpieces, such as mold sections and patterns, using cranes or signaled others to move workpieces
Poured molten metal into molds, manually or with crane ladles
Skills
Hands-On Work
Building production molds, Placing materials into molds, Cleaning production equipment, Applying parting agents, Removing workpieces from molds, Cutting industrial materials, Smoothing metal surfaces, Operating heating and drying equipment, Lifting materials
Core Skills
Positioning patterns
Education
High School Diploma Your school, Year
Yours will not say this. You choose what matches your experience, and every line remains yours to confirm or change.
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What to put on a Foundry Mold and Coremaker resume
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What did you do each day?
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Cleaned and smoothed molds and coresPacked sand into mold sectionsPositioned patterns inside mold sectionsSprayed parting agents on moldsMoved workpieces using cranesPoured molten metal into molds
becomes
On your resume
Cleaned and smoothed molds and cores to eliminate surface imperfections and ensure quality.
Positioned patterns accurately inside mold sections to facilitate proper casting.
These are written the way a resume line reads. Rung asks which ones are actually yours, keeps your own words, and never claims work you did not do.
Then it asks for one more thing
The line that could show more, and the fact that lands it.
Make it stronger
A few lines could show more. Each one is asked, and answered by choosing.
Show what improved once the molds were cleaned and smoothed.
The line
Cleaned and smoothed molds and cores to improve overall mold quality and eliminate surface imperfections
Show what improved once the molds were cleaned and smoothed.
core piler, core rescuer, core setter, core stacker, core sticker, core stripper, dry molder, dry sand molder, foundry finisher, foundry mold assembly and shake out worker, foundry molder, foundry tender, foundry worker, golf club head former, green sand molder, hand former, hand spring former, mold capper, mold closer, mold finisher, mold maker, mold operator, mold tooling tech, mold tooling technician, molder, no bake molder, pattern molder, sand cutter, sand cutter operator, sand molder, sweep molder, wax pattern coater.
What you can already claim
What you can already claim as a Foundry Mold and Coremaker
Below are the tasks a Foundry Mold and Coremaker job is made of. Choose the ones you have really done. There is no wrong answer here, and you can change any of it later.
Which of these tasks have you actually done?
4 chosen. Rung never adds a task you did not choose.
You can already claim 4 of the 9 tasks this job is made of.
What you have not done yet. Removing workpieces from molds, Cutting industrial materials, Smoothing metal surfaces
Your resume, already started
Foundry Mold and Coremaker
Building production molds
Placing materials into molds
Cleaning production equipment
Applying parting agents
Nothing here was invented. Every line is something you chose above, and it comes with you when you start.
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This page is about the occupation Foundry Mold and Coremakers. What this job involves and what it is made of come from O*NET 30.3, the US Department of Labor's occupation database, refreshed July 2026; Rung writes those records into the plain sentences you see. Pay comes from the Bureau of Labor Statistics OEWS release for 2025. How Rung handles accuracy is on the accuracy page, and the full data credits are on the credits page.