The Choice for the CBN Inserts Chamfer Width

Chamfer Width: The chamfer width could be confirmed by the machined material, cutting allowance and feed of every
rotation. For the hard cast iron, when big allowance cutting, the wider chamfer is recommended; for the hardened steel,
when small allowance and finish machining, the more narrow chamfer is the first choice.
020 chamfer width for common cast iron;
050 (cutting edge length <12),100 (cutting edge length>16),
200(cutting edge length>20);
010 chamfer width for hardened steel.

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