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Helical Mills Leave Smooth Surfaces

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IMTS 2018: Scientific Cutting Tools Inc.’s helical chamfer mills offer free cutting for improved surface finish.

Scientific Cutting Tools says its helical chamfer mills offer freer cutting and smoother surface finish than straight-fluted alternatives. A variable helical flute design provides high sheer, reduced side cutting pressure and improved chip evacuation. Made from sub-micron carbide and suitable for a variety of materials, the tools are manufactured in both three- and five-flute versions. The three-flute design is best for softer materials, while the five-flute design is recommended for harder materials.

Helical chamfer mills are made on CNC tool and cutter grinders to tight tolerances. They are available in diameter sizes ranging from 1/8" to ¾" and in angle configurations of 60, 90 and 120 degrees. The front of the tool is ground flat, and the tip diameter is held to ±0.001" tolerance to ease of set-up and accuracy in programming. In addition, the small tip diameters provide flexibility. The cutters feature either bright finish or AlTiN coating. AlTiN coating is recommended for steel applications,  higher cutting speeds, and to extend tool life.