Sumitomo Electric Carbide Inc.’s BN7000 turning system for the machining of cast iron possesses CBN particles that are densely sintered for the maximum CBN content possible, resulting in high wear and breakage resistance. The strength of CBN particles provides chipping resistance, which ensures stable performance and long tool life in high efficiency machining of cast iron, the company says. It also offers excellent wear and thermal crack resistance in high speed machining of grey cast iron. Multi-tip inserts result in a more cost effective solution for the customer.
The BN7000 offers machining stability through three edge preparations that optimize cast iron applications. Along with the standard edge preparation, the BN7500 is available in LF (sharper) and HS (stronger).
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The CoroMill 390 Silent Tools can be ordered in diameters from 20 to 32 mm. It is available for both the new insert size 07, as well as insert size 11, with options for either cylindrical shank or Coromant Capto coupling.