UC stands for various terms. Discover the full forms, meanings, and possible interpretations of UC across different fields and industries.
A notch or groove melted into the base metal next to the toe or root of a weld and left unfilled by weld metal. A portion of stream channel underneath an overhanging bank, log, rock etc. The void behind the rib, on rebar, usually caused by backlash. Can be a design flaw that results in an indentation or protrusion that inhibits the ejection of the part from the mold. Other times undercuts are designed into a mold to ensure a part holds onto the correct side of the mold.
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