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A totally new solution for higher productivity hard turning at higher speed and feed rates has the major advantage based on the more economic use of a specific design of octagon insert incorporating special wiper geometry that enhances surface finish and is an intrinsic feature in Sumitomo Electric Hardmetal’s latest High Feed Turning (HFT) system.  Based on Sumitomo’s high orders of expertise in the use of cubic boron nitride (CBN)

insert technology, HFT hard turning trials have resulted in 12 to 16 times faster processing times over existing methods while enabling existing manufacturing surface finish and tolerances to be maintained.  However adding to the marked success of the trials, insert life was doubled aided by the availability of eight cutting edges from the CBN insert.

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