What is cut quality? What about accuracy?
A. A high-quality cut edge has the appearance of a uniform bead-blast finish, on the cut edge, and little or no burr. A low-quality cut has the appearance of a good machine-torch or plasma-cut edge. A medium-quality cut typically has the appearance of a good bandsaw cut, or a uniform bead-blast appearance about 2/3 of the way through the cut that transitions to the “lag” pattern of a plasma cut toward the bottom surface. Low quality is usually used along edges that will be welded, for fixed-fastener clearance holes, or otherwise where edges are hidden. Higher qualities are used where either precision or aesthetics require it. The cost difference over the range from lowest to highest cut edge quality, for a given part feature, is about 4X. The typical cut, a tradeoff appropriate for most work, is in between. An average quality cut in small workpieces has a typical absolute accuracy of about +- .002″ over the full thickness of the material. Accuracy over large workpieces is affected by t
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