Glossary

Crushing Machine Operator Terms & Vocabulary

15 essential crushing machine operator terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.

Updated By the Career Education Institute Curriculum Team
Key crushing machine operator vocabulary

These 15 terms come up constantly in crushing machine operator training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.

Aggregate
Crushed stone or gravel.
Ball mill
Grinding mill with balls.
Bridging
Material jamming.
Choke feed
Full crusher chamber.
Cone crusher
Secondary crusher.
Feed rate
Material input speed.
First article
First part checked before a run.
Gradation
Particle size mix.
Jaw crusher
Primary crusher.
Liner
Wear surface.
Lockout/tagout
Energy isolation before servicing.
MSHA
Mine Safety and Health Administration.
PPE
Personal protective equipment.
Screen deck
Sorting screen.
SOP
Standard operating procedure.

Practice these terms

Test yourself with the free Crushing Machine Operator practice test: it includes vocabulary questions built from this list. For a complete course, see Crushing Machine Operator training.

Browse terms from every career in our career glossary.

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