Glossary

Welding Machine Operator Terms & Vocabulary

15 essential welding 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 welding machine operator vocabulary

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

Contact tip
Wire guide.
Destructive test
Breaking welds to check.
First article
First part checked before a run.
Fixture
Holds parts.
Lockout/tagout
Energy isolation before servicing.
Porosity
Gas holes in welds.
PPE
Personal protective equipment.
Robotic welding
Welding by robot.
Scrap
Parts that fail inspection.
SOP
Standard operating procedure.
Spatter
Weld splatter.
Spot welding
Joining with electric spots.
Teach pendant
Robot controller.
Tip dressing
Cleaning spot weld tips.
Wire feed speed
Wire rate.

Practice these terms

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

Browse terms from every career in our career glossary.

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