Small tools Introduction External toolholder selection for productivity improvement Applications Tooling Example Toolholder Advantages Workpiece diameter Medium-roughing of steel(Radial ap: mm) SCLN-FF SDLN-FF Small double sided tooling (Screw clamp) Cost reduction Over ø6 ap = ~2.5 mm STLN-FF Medium-Roughing PCLN-FFPTLN-FF Toolholder for double sided toolingfor automatic lathe (Lever lock)Cost reduction+ FP-TK chipbreakerOver ø16ap = 1.5 ~ 5 mm E Small double sided tooling (Screw clamp) Cost reduction Under ø16 ap = ~2.5 mm Fig. 1 Goose-neck holder (External sleeve holder) Chip Control - - Toolholder for double sided tooling for automatic lathe (Lever lock) Cost reduction ø16 ~ ø32 ap = 1.5 ~ 5 mm Medium-Roughing Fig. 2 + FP-TK chipbreaker + Finishing Goose-neck holder (External sleeve holder) Chip control - - Grooving toolholder Long curled chips are evacuatedtoward a fixed directionø16 ~ ø32ap = over 4 mm Fig. 3 Goose-neck holder (External sleeve holder) Chip control - - Guideline for roughing: ap = ~2.5 mm 1. Improvement of finishing Use goose-neck holder 2. Improvement of finishing Use external sleeve holder Roughing Use Small double sided tooling Fig. 1 E8