Onsrud Cutter LP (Libertyville, Ill., U.S.A.) recently introduced three new cutting tools designed to tackle tough composite milling/routing applications: The UnRuffer is a patented, solid-carbide burr with a unique finishing edge developed to equal the cutting performance of a burr tool but yield a much better edge finish. Two additional tools are designed to dramatically improve the machining of carbon- and aramid-fiber materials. The geometry of these tools increases the number of effective cutting flutes, resulting in superior performance over a standard burr, according to the company. Special clean-out flutes aid in the dissipation of chips, and a chisel design cutting edge extends tool life and productivity. The line includes the Carbon Graphite and Fiber Metal Router with modified geometry to cleanly cut aramid material and fiberglass.
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