Modular Head Series Tooling by DIJET S-Head SMALTYPE 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/D Spindle speed Feed speedn (min-1)Vf (mm/min) Note L/D Spindle speed Feed speedn (min-1)Vf (mm/min)ap ~4D 0% 0% - ~4D 0% 0% Up to 0.15D 5~6D 25% reduction 30% reduction - 5~6D Not recommended. 7~8D 40% reduction 50% reduction In case of tool dia. ø22 or more,not recommended.7~8D Not recommended. B189