Основной каталог Kyocera 2021 - 2022 - страница 473

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Surface Roughness Rz (µm) Grooving External grooving GBF type GBF (for automatic lathe) High precision with edge width tolerance of ±0.02 mm High efficiency MEGACOAT coating technology for long tool life 1 Stable chip control with GL chipbreaker GL Chipbreaker controls chips stable at both grooving and turning. (Turning is not recommended for GBF32R075-005GL) G Stable chipcontrol Chip control comparison (internal evaluation) GL chipbreaker Competitor A Grooving f = 0.05 mm/rev d = 1.5 mm Turning f = 0.04 mm/rev ap = 0.2 mm Chips are short, curled and break evenly in low feed machining. Prevents chip clogging. Cutting conditions: Vc = 80 m/min, edge width 1 mm Workpiece material : SUS304 2 Good surface finish GL chipbreaker controls chips stable at high feed machining, Good surface finish of side wall Surface roughness comparison (internal evaluation) Chip control comparison (internal evaluation) 10.0 GL chipbreaker 8.0 GL chipbreaker 6.0 Competitor A Competitor A (Molded chipbreaker) 4.0 f = 0.03 f = 0.04 f = 0.05 2.0 0 0.02 0.04 0.06 (mm/rev) Cutting conditions: Vc = 80 m/min, d = 1.5 mm, f = 0.03~0.05 mm/rev, edge width 1 mm Workpiece material : SCM415 G19