The reduction rate for SMAL type In case of lengthening overhung length, the figures above need to be reduced

according to the reduction rate. And, in case of slotting, recommend to be used under 4D overhung length.

1. Shoulder cutting 2. Slotting

L/Dn(min-1) Spindle speeVf(mm/min) d Feed speedNoteL/Dn(min-1) Spindle speedVf(mm/min) Feed speedap
~4D0%0%~4D0%0%Up to 0.15D
5~6D25% reductio30% n reduction5~6DNot recommended.
7~8D40% reductio50% n reductionIn case of tool dia. ø22 or more, not recommended.7~8DNot recommended.