86 Каталог KORLOY 2020 Инструмент и оснастка для станков по металлу Стр.B12

Каталог KORLOY 2020 Инструмент для станков по металлу Стр. B12 0086 Lab2u

Turning Chip Breakers Features of Chip Breaker For medium to finishing Chip breaker for forged steel of automobile parts and normal steel Quad dots improve productivity through efficient chip control at high feed Angle land minimizes cutting force LP Chip Breaker O Features of LP chip breaker Front dot Higher stability of chip curls at high feed Excellent chip control when copying Lower cutting force at low depth of cut and high feed Variable land Less crater wear Prevents chipping on minor cutting edge Flat zone SECTION A-A Larger chip pocket for better chip evacuation at high feed Reduced cutting force with larger contact surface of chips Performance evaluation (Evaluation of cutting force) Workpiece SM45C, 0100, External machining Cutting condition vc (m/min) = 250, ap (mm) = 1.0, fn (mm/rev) = 0.25/0.40, wet Tools CNMG120408-m Medium feed (0.25 mm/rev) O Application range 1 5.0 S 4.0 c of L 3.0 e o 2.0 1.0 k MP LP v. >>-:- Turning 0.1 0.2 0.3 0.4 0.5 feed, fn (mm/rev) CNMG120408-LP(NC3225) Lower 1 cutting force Competitor A (P25) Competitor B (P25) Cutting force F N 1,700 1,900 2,100 2,300 High feed (0.40 mm/rev) CNMG120408-LP(NC3225) Lower 1 cutting force J Competitor A (P25) Competitor B (P25) Cutting force F N 2,300 2,400 2.500 2.600 2.700 12