Kennametal’s Mill 4-12KT Features a Triangular Margin Design
Kennametal’s Mill 4-12KT tangential shoulder mills apply lower cutting forces and feature a triangular margin design enabling faster feeds without putting additional stress on the spindle, the company says.
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Hwacheon Machinery America, Inc.
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Kennametal’s Mill 4-12KT tangential shoulder mills apply lower cutting forces and feature a triangular margin design enabling faster feeds without putting additional stress on the spindle, the company says. The product has tangentially mounted inserts with four cutting edges per insert. Seven-corner radii from 0.016" to 0.122" (0.4 to 3.1 mm) are available along with coolant-through, medium and coarse-pitch cutter bodies ranging from 2" to 8" (50 to 200 mm) in diameter. The axial depth of cut ranges from 0.019" to 0.472" (0.5 to 12 mm).
The milling tools provide lower cutting forces which, according to Tim Marshall, senior global product manager, enable users of lighter-duty, 40-taper machine tools “to feed faster without putting additional stress on the spindle.” He adds, “In long-overhang situations, or where part fixturing is less than optimal, lower forces equate to less chatter, reduced edge chipping and smoother surface finishes.”
The company says that the tangential insert design takes greater advantage of the strength of the carbide thickness than radially mounted inserts on traditional milling cutters.
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