Compression router eliminates splintering

Sandvik Coromant introduced at JEC Europe 2013 a new production compression router for carbon fiber composites and other composites where splintering is a common problem.

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Sandvik Coromant (Amsterdam, The Netherlands, and Fair Lawn, N.J.) introduced at JEC Europe 2013 a new production compression router for carbon fiber composites and other composites where splintering is a common problem. The design of its CoroMill Plura compression end mill combines positive and negative helix angles and offers six effective cutting edges. The unit’s microgeometry is said to allow for close tolerances (less than 4 µm) and high material removal rates. The router is suitable for the automotive market sector and is recommended for use with a minimum material thickness of 6 mm/0.236 inch. Sandvik suggests conventional up milling because it results in less vibration. The company also recommends that users keep the split line in the middle of the material, and users should remember that when the tool cuts across the fibers on the top or bottom surface, there is more splintering than when the tool cuts along the fiber direction.  

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