CNC Tool Material Requirements Explained
CNC Tool Material Requirements include hardness, hot hardness, wear resistance, toughness, chemical stability, and manufacturability. A suitable material must retain a sharp edge under load while resisting heat, abrasion, and impact.
Table of Contents
High speed steel provides toughness and economical sharpening for moderate speeds. Cemented carbide offers greater hardness and heat resistance for productive milling, drilling, and turning. Ceramics and cubic boron nitride suit high-temperature machining, while PCD delivers exceptional life in abrasive nonferrous and composite materials.
Match tool material to workpiece hardness, cutting speed, interrupted load, coolant strategy, required finish, and production volume. Coatings can reduce friction and crater wear, but the substrate must provide enough strength. A professional cutting tool manufacturer can balance grade and geometry; review cutting tool material fundamentals for comparison.
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