An undesirable pattern created on the surface of a workpiece, usually at regularly spaced intervals, caused by an out-of-round or out-of-balance condition. Chatter marks are not a structural defect, but they cannot be corrected or eliminated once they are in the material; the marks will usually show through any paint that is applied.
The Fabricator Blog
The daily grind in a small fab shop - by Nick Martin A day in a small fabricating shop seldom follows a linear progression. Many things vie for attention, and the ability to multitask comes in handy.
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